ES2549490B2 - CONTROL SYSTEM FOR A PARTICLE FILTER - Google Patents
CONTROL SYSTEM FOR A PARTICLE FILTER Download PDFInfo
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- ES2549490B2 ES2549490B2 ES201531085A ES201531085A ES2549490B2 ES 2549490 B2 ES2549490 B2 ES 2549490B2 ES 201531085 A ES201531085 A ES 201531085A ES 201531085 A ES201531085 A ES 201531085A ES 2549490 B2 ES2549490 B2 ES 2549490B2
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- filter
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- control system
- turbidity
- liquid medium
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- 239000002245 particle Substances 0.000 title claims description 45
- 239000007788 liquid Substances 0.000 claims abstract description 28
- 238000012545 processing Methods 0.000 claims abstract description 17
- 238000004891 communication Methods 0.000 claims abstract description 8
- 238000005259 measurement Methods 0.000 claims description 16
- 230000033228 biological regulation Effects 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 4
- 239000000725 suspension Substances 0.000 claims description 2
- 239000000047 product Substances 0.000 description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 238000000034 method Methods 0.000 description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000001914 filtration Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000002671 adjuvant Substances 0.000 description 3
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- 229910052906 cristobalite Inorganic materials 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 229910052682 stishovite Inorganic materials 0.000 description 2
- 229910052905 tridymite Inorganic materials 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 235000013405 beer Nutrition 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
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- 239000012530 fluid Substances 0.000 description 1
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- 238000004442 gravimetric analysis Methods 0.000 description 1
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- 210000002381 plasma Anatomy 0.000 description 1
- 238000002616 plasmapheresis Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D37/00—Processes of filtration
- B01D37/03—Processes of filtration using flocculating agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/60—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration
- B01D29/601—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration by clearness or turbidity measuring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/60—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration
- B01D29/603—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration by flow measuring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/60—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration
- B01D29/606—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration by pressure measuring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D37/00—Processes of filtration
- B01D37/02—Precoating the filter medium; Addition of filter aids to the liquid being filtered
- B01D37/025—Precoating the filter medium; Addition of filter aids to the liquid being filtered additives incorporated in the filter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D37/00—Processes of filtration
- B01D37/04—Controlling the filtration
- B01D37/041—Controlling the filtration by clearness or turbidity measuring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D37/00—Processes of filtration
- B01D37/04—Controlling the filtration
- B01D37/043—Controlling the filtration by flow measuring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D37/00—Processes of filtration
- B01D37/04—Controlling the filtration
- B01D37/046—Controlling the filtration by pressure measuring
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
Sistema de control para un filtro de partículas, habilitado para su uso sobre un filtro de partículas en suspensión en un medio líquido, que comprende unos medios de procesamiento, unos medios de medición de la turbidez del medio líquido a la entrada del filtro, unos medios de medición de la presión de funcionamiento del filtro, unos medios de medición del caudal de funcionamiento del filtro, unos medios de dosificación del producto coadyudante, estando los medios de procesamiento vinculados en comunicación de datos con los medios de medición de la turbidez del medio líquido, los medios de medición de la presión de funcionamiento del filtro y los medios de medición del caudal de funcionamiento del filtro, y estando también los medios de procesamiento vinculados en comunicación de datos y con capacidad de gobierno sobre los medios de dosificación de un producto coadyudante.Control system for a particulate filter, enabled for use on a suspended particulate filter in a liquid medium, comprising processing means, means for measuring the turbidity of the liquid medium at the inlet of the filter, means for measuring the operating pressure of the filter, means for measuring the operating flow of the filter, means for dosing the auxiliary product, the processing means being linked in data communication with the means for measuring the turbidity of the liquid medium , the means of measuring the operating pressure of the filter and the means of measuring the operating flow of the filter, and also the processing means being linked in data communication and with the ability to govern over the dosing means of an auxiliary product .
Description
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DESCRIPCIONDESCRIPTION
SISTEMA DE CONTROL PARA UN FILTRO DE PARTICULAS OBJETO DE LA INVENCIONCONTROL SYSTEM FOR A PARTICLE FILTER OBJECT OF THE INVENTION
La presente solicitud de invencion tiene por objeto el registro de un sistema de control para un filtro de partlculas, que incorpora notables innovaciones y ventajas frente a las tecnicas utilizadas hasta el momento.The purpose of the present invention request is to register a control system for a particle filter, which incorporates notable innovations and advantages over the techniques used so far.
Mas concretamente, la invencion propone el desarrollo de un sistema de control para un filtro de partlculas, que por su particular disposition, permite la adecuada y justa dosificacion de un producto coadyudante para la optimization del funcionamiento en continuo de un filtro de partlculas.More specifically, the invention proposes the development of a control system for a particle filter, which by its particular disposition, allows the adequate and fair dosing of a coadjuvant product for the optimization of the continuous operation of a particle filter.
ANTECEDENTES DE LA INVENCIONBACKGROUND OF THE INVENTION
Son conocidos en el actual estado de la tecnica los filtros de partlculas para medios llquidos, en multitud de usos y prestaciones, en los que se utiliza ademas la dosificacion previa de un producto coadyudante.Particle filters for liquid media are known in the current state of the art, in a multitude of uses and benefits, in which the prior dosing of an adjuvant product is also used.
En tal sentido, en la patente US 6589430 se divulga un concepto que hace referencia a un filtro de precapa utilizado en el proceso de filtration de la cerveza. Emplea un control fuzzy, con reglas desarrolladas para ese proceso particular.In this regard, a concept referring to a pre-layer filter used in the beer filtration process is disclosed in US Patent 6589430. It employs a fuzzy control, with rules developed for that particular process.
La patente WO 86/02858 presenta un sistema de optimizacion del caudal de filtrado para un filtro de membrana en un proceso de plasmaferesis (procesamiento de plasma sangulneo), basado en un control adaptativo.WO 86/02858 presents a system for optimizing the filtrate flow rate for a membrane filter in a plasmapheresis (blood plasma processing) process, based on an adaptive control.
Otra solution conocida es la de la patente US 2010/0032373, en que se optimiza el proceso de acuerdo con la colmatacion de un filtro de membrana dosificando coagulante hasta que se recupera la permeabilidad.Another known solution is that of US patent 2010/0032373, in which the process is optimized according to the clogging of a coagulating dosing membrane filter until permeability is recovered.
En el documento US 5484536 se conoce un sistema de lavado a contracorriente cuando la calda de presion llega a un determinado valor.In US 5484536 a backwash system is known when the pressure boiler reaches a certain value.
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Tambien es conocido en el estado de la tecnica que el control de los filtros es en ocasiones diflcil, debido a que las condiciones de su funcionamiento pueden variar continuamente.It is also known in the state of the art that the control of the filters is sometimes difficult, because the conditions of their operation can vary continuously.
Un modo de controlar la dosificacion de coadyuvante serla mediante la medicion del potencial zeta en la suspension de partlculas, pero ello exigirla el empleo de sistemas de medicion muy sofisticados y que no funcionan on line.One way to control the dosage of adjuvant would be by measuring the zeta potential in the suspension of particles, but this would require the use of very sophisticated measurement systems that do not work online.
La presente invention contribuye a solucionar y solventar la presente problematica, pues permite la adecuada y justa dosificacion de un producto coadyudante para la optimization del funcionamiento en continuo de un filtro de partlculas.The present invention contributes to solve and solve the present problem, since it allows the adequate and fair dosing of a coadjutant product for the optimization of the continuous operation of a particle filter.
DESCRIPCION DE LA INVENCIONDESCRIPTION OF THE INVENTION
La presente invencion se ha desarrollado con el fin de proporcionar un sistema de control para un filtro de partlculas, habilitado para su uso sobre un filtro de partlculas en suspension en un medio llquido y siendo el medio llquido susceptible de ser portador de un producto coadyudante de filtration para la separation de partlculas en dicho filtro, y se caracteriza esencialmente por el hecho de que comprende unos medios de procesamiento, unos medios de medicion de la turbidez del medio llquido a la entrada del filtro, unos medios de medicion de la presion de funcionamiento del filtro, unos medios de medicion del caudal de funcionamiento del filtro, unos medios de dosificacion del producto coadyudante, estando los medios de procesamiento vinculados en comunicacion de datos con los medios de medicion de la turbidez del medio llquido, los medios de medicion de la presion de funcionamiento del filtro y los medios de medicion del caudal de funcionamiento del filtro, y estando tambien los medios de procesamiento vinculados en comunicacion de datos y con capacidad de gobierno sobre los medios de dosificacion de un producto coadyudante.The present invention has been developed in order to provide a control system for a particle filter, enabled for use on a suspended particle filter in a liquid medium and the liquid medium being capable of being a carrier of a coadjuvant product of filtration for the separation of particles in said filter, and is essentially characterized by the fact that it comprises processing means, means for measuring the turbidity of the liquid medium at the inlet of the filter, means for measuring the operating pressure of the filter, means for measuring the operating flow of the filter, means for dosing the auxiliary product, the processing means being linked in data communication with the means for measuring the turbidity of the liquid medium, the means for measuring the operating pressure of the filter and the measurement means of the operating flow of the filter, and also being the m processing sites linked in data communication and with the capacity to govern the dosing means of a coadjutant product.
Alternativamente, el sistema de control para un filtro de partlculas, incorpora unos medios de regulation del caudal de entrada en dicho filtro, presentando los medios de procesamiento capacidad de gobierno sobre dichos los medios de regulacion.Alternatively, the control system for a particulate filter incorporates means for regulating the inlet flow in said filter, the processing means presenting a capacity for governing said regulation means.
Preferentemente, en el sistema de control para un filtro de partlculas, los medios de medicion de la turbidez del medio llquido presentan tambien capacidad de medicion del grado de variation de la turbidez en dicho medio llquido.Preferably, in the control system for a particle filter, the means for measuring the turbidity of the liquid medium also have the capacity to measure the degree of variation of the turbidity in said liquid medium.
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Preferentemente, en el sistema de control para un filtro de partlculas, los medios de medicion de la presion de funcionamiento del filtro presentan tambien capacidad de medicion del grado de variation de la presion de funcionamiento de dicho filtro.Preferably, in the control system for a particle filter, the measurement means of the operating pressure of the filter also have the capacity to measure the degree of variation of the operating pressure of said filter.
Preferentemente, en el sistema de control para un filtro de partlculas, los medios de medicion del caudal de funcionamiento del filtro presentan tambien capacidad de medicion del grado de variacion del caudal de funcionamiento de dicho filtro.Preferably, in the control system for a particle filter, the measurement means of the operating flow rate of the filter also have the capacity to measure the degree of variation of the operating flow rate of said filter.
Preferentemente, en el sistema de control para un filtro de partlculas, los medios de procesamiento comprenden un microprocesador.Preferably, in the control system for a particle filter, the processing means comprise a microprocessor.
Adicionalmente, en el sistema de control para un filtro de partlculas, los medios de medicion de la turbidez del medio llquido comprenden un sensor de turbidez dispuesto en la entrada del filtro.Additionally, in the control system for a particle filter, the means for measuring the turbidity of the liquid medium comprise a turbidity sensor disposed at the inlet of the filter.
Alternativamente, en el sistema de control para un filtro de partlculas, los medios de medicion de la presion de funcionamiento del filtro comprenden al menos un sensor de presion a la entrada del filtro.Alternatively, in the control system for a particulate filter, the means of measuring the operating pressure of the filter comprise at least one pressure sensor at the inlet of the filter.
Adicionalmente, en el sistema de control para un filtro de partlculas, los medios de medicion del caudal de funcionamiento del filtro comprenden un caudallmetro.Additionally, in the control system for a particle filter, the means for measuring the operating flow of the filter comprise a flowmeter.
Alternativamente, en el sistema de control para un filtro de partlculas, los medios de regulation comprenden una bomba de impulsion.Alternatively, in the control system for a particle filter, the regulation means comprise a drive pump.
Gracias a la presente invention, se consigue aportar la adecuada y precisa dosificacion de un producto coadyudante para la optimization del funcionamiento en continuo de un filtro de partlculas, utilizando para ello la medicion de la turbidez del medio llquido en la entrada del propio filtro para as! conocer la concentration de partlculas, y a partir de tales datos y de su variacion efectuar una adecuada dosificacion de producto coadyudante.Thanks to the present invention, it is possible to provide the adequate and precise dosage of an auxiliary product for the optimization of the continuous operation of a particle filter, using for this purpose the measurement of the turbidity of the liquid medium at the entrance of the filter itself. ! know the concentration of particles, and from such data and its variation make an adequate dosage of adjuvant product.
Ademas, se utiliza un instrumento perfeccionado para la medicion de la turbidez del afluente en la entrada del mismo filtro.In addition, an improved instrument is used for measuring the turbidity of the tributary at the inlet of the same filter.
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Otras caracterlsticas y ventajas del sistema de control para un filtro de partlculas resultaran evidentes a partir de la description de una realization preferida, pero no exclusiva, que se ilustra a modo de ejemplo no limitativo en los dibujos que se acompanan, en los cuales:Other features and advantages of the control system for a particle filter will be apparent from the description of a preferred but not exclusive realization, which is illustrated by way of non-limiting example in the accompanying drawings, in which:
BREVE DESCRIPCION DE LOS DIBUJOSBRIEF DESCRIPTION OF THE DRAWINGS
Figura 1.- Es una vista esquematica de una modalidad de realizacion preferida del sistema de control para un filtro de partlculas de la presente invention.Figure 1.- It is a schematic view of a preferred embodiment of the control system for a particle filter of the present invention.
DESCRIPCION DE UNA REALIZACION PREFERENTEDESCRIPTION OF A PREFERRED EMBODIMENT
El sistema de control para un filtro de partlculas de la presente invencion, esta habilitado para su uso sobre un filtro 1 de partlculas en suspension en un medio llquido, en este caso agua, y siendo el medio llquido susceptible de ser portador de un producto coadyudante de filtration para la separation de partlculas en dicho filtro 1, y ayudar as! al propio filtro 1 en su mejor funcionamiento.The control system for a particle filter of the present invention is enabled for use on a filter 1 of suspended particles in a liquid medium, in this case water, and the liquid medium being capable of being a carrier of a coadjutant product of filtration for the separation of particles in said filter 1, and help as well! to filter 1 itself in its best performance.
El sistema de control para un filtro de partlculas de la invencion, comprende unos medios de procesamiento, unos medios de medicion de la turbidez del medio llquido a la entrada del filtro 1, unos medios de medicion de la presion de funcionamiento del filtro 1, unos medios de medicion del caudal de funcionamiento del filtro 1, unos medios de dosificacion 11 del producto coadyudante y unos medios de regulation del caudal de entrada en dicho filtro 1.The control system for a particle filter of the invention comprises processing means, means for measuring the turbidity of the liquid medium at the inlet of the filter 1, means for measuring the operating pressure of the filter 1, about measuring means of the operating flow of the filter 1, dosing means 11 of the auxiliary product and means of regulating the inlet flow in said filter 1.
Tal y como se muestra en la representation esquematica de la figura 1, en esta modalidad de realizacion preferida, los medios de procesamiento comprenden un microprocesador 2, los medios de medicion de la turbidez del medio llquido comprenden un sensor de turbidez 3, los medios de medicion de la presion de funcionamiento del filtro 1 comprenden un sensor de presion 4, los medios de medicion del caudal de funcionamiento del filtro 1 comprenden un caudallmetro 5, y los medios de regulacion del caudal de entrada en dicho filtro 1 comprenden una bomba de impulsion 6.As shown in the schematic representation of Figure 1, in this preferred embodiment, the processing means comprise a microprocessor 2, the means for measuring the turbidity of the liquid medium comprise a turbidity sensor 3, the means for Measurement of the operating pressure of the filter 1 comprises a pressure sensor 4, the measurement means of the operating flow of the filter 1 comprise a flowmeter 5, and the means of regulating the inlet flow in said filter 1 comprise a drive pump 6.
El microprocesador 2 esta vinculado en comunicacion de datos con el sensor de turbidez 3 del agua a la entrada del filtro 1, con el sensor de presion 4, y con el caudallmetro 5, tal y como se representa esquematicamente por las llneas a trazos en la figura 1. Por tanto, el microprocesador 2 lee y procesa dichos valores recibidos desde ellos.The microprocessor 2 is linked in data communication with the turbidity sensor 3 of the water to the inlet of the filter 1, with the pressure sensor 4, and with the flowmeter 5, as schematically represented by the dashed lines in the Figure 1. Therefore, microprocessor 2 reads and processes said values received from them.
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Ademas, en esta modalidad de realization preferida, el sensor de turbidez 3 tambien es capaz de medir el grado de variation de la turbidez en dicho medio liquido, el sensor de presion 4 tambien es capaz de medir el grado de variacion de la presion registrada, y el caudalimetro 5 tambien es capaz de medir del grado de variacion del caudal registrado.In addition, in this preferred embodiment, the turbidity sensor 3 is also capable of measuring the degree of variation of the turbidity in said liquid medium, the pressure sensor 4 is also capable of measuring the degree of variation of the recorded pressure, and the flowmeter 5 is also able to measure the degree of variation of the recorded flow rate.
Por tanto, el microprocesador 2 tambien lee y procesa dichos valores de variacion recibidos desde ellos.Therefore, microprocessor 2 also reads and processes said variation values received from them.
El microprocesador 2, segun los valores de turbidez del medio liquido, de la presion de funcionamiento del filtro 1 y del caudal de funcionamiento del filtro 1, asi como las variaciones que estos valores experimentan, calcula y establece el valor de la cantidad y concentration adecuada y necesaria del producto coadyudante de filtration a adicionar en el medio liquido, para el adecuado y optimo funcionamiento del filtro 1 separador de particulas.The microprocessor 2, according to the turbidity values of the liquid medium, the operating pressure of the filter 1 and the operating flow of the filter 1, as well as the variations that these values undergo, calculates and establishes the value of the appropriate quantity and concentration and necessary of the filtering auxiliary product to be added in the liquid medium, for the proper and optimal operation of the filter 1 particle separator.
Para ello, el microprocesador 2 incorpora un software adecuado a tal efecto.For this, microprocessor 2 incorporates software suitable for this purpose.
El microprocesador 2 esta vinculado en comunicacion de datos y con capacidad de gobierno sobre los medios de dosificacion 11 del producto coadyudante y sobre la bomba de impulsion 6, tal y como se representa esquematicamente por las lmeas a trazos en la figura 1.The microprocessor 2 is linked in data communication and with the ability to govern on the dosing means 11 of the auxiliary product and on the delivery pump 6, as schematically represented by the broken lines in Figure 1.
Una vez el microprocesador 2 ha calculado y establecido el valor de la cantidad y concentration adecuada y necesaria del producto coadyudante de filtration en el filtro 1, el mismo microprocesador 2 gobierna a los medios de dosificacion 11 del producto coadyudante y la bomba de impulsion 6, para que llegue la cantidad y concentracion requerida y establecida del producto coadyudante en el filtro 1.Once the microprocessor 2 has calculated and established the value of the appropriate and necessary quantity and concentration of the filter aid in the filter 1, the same microprocessor 2 governs the dosing means 11 of the aid product and the drive pump 6, so that the quantity and concentration required and established of the auxiliary product in filter 1 arrives.
Gracias al control y gobierno del microprocesador 2 sobre los medios de dosificacion 11 del producto coadyudante y sobre la bomba de impulsion 6, se consigue que llegue al filtro 1 la cantidad y concentration adecuada de producto coadyudante, consiguiendose un optimo funcionamiento del filtro 1.Thanks to the control and control of the microprocessor 2 on the dosing means 11 of the auxiliary product and on the impulsion pump 6, it is achieved that the appropriate quantity and concentration of the auxiliary product is reached on the filter 1, achieving optimum operation of the filter 1.
El uso de la medicion de la turbidez en la presente invention, esta motivado porque la presencia de solidos en suspension en un medio liquido, en este caso el agua, provoca laThe use of turbidity measurement in the present invention is motivated because the presence of suspended solids in a liquid medium, in this case water, causes
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perdida de transparencia, es decir, genera turbidez. La turbidez proporciona por tanto una estimation indirecta de la concentration de solidos en suspension, que es un parametro en ocasiones diflcil de medir correctamente y sobre todo en continuo.loss of transparency, that is, it generates turbidity. Turbidity therefore provides an indirect estimate of the concentration of suspended solids, which is a parameter that is sometimes difficult to measure correctly and especially continuously.
La turbidez es por tanto un indicador importante y util de la calidad del agua. Es una medicion cuantitativa de los solidos no disueltos, que puede usarse a la entrada de un sistema de tratamiento del agua para controlar la dosificacion de aditivos, por ejemplo.Turbidity is therefore an important and useful indicator of water quality. It is a quantitative measurement of undissolved solids, which can be used at the entrance of a water treatment system to control the dosage of additives, for example.
Los solidos en suspension se pueden por tanto determinar en llnea y en continuo midiendo la atenuacion de la luz que pasa a traves del llquido, o la intensidad de la luz dispersada. Bajo condiciones normales, la relation con el analisis gravimetrico habitual es muy buena. Es por ello que la presente invention recurre a la medicion de la turbidez para el establecimiento en continuo de la calidad inicial del agua, antes de su entrada en el propio filtro 1.Suspended solids can therefore be determined online and continuously by measuring the attenuation of the light passing through the liquid, or the intensity of the scattered light. Under normal conditions, the relationship with the usual gravimetric analysis is very good. That is why the present invention resorts to the measurement of turbidity for the continuous establishment of the initial water quality, before entering the filter 1 itself.
La turbidez se mide habitualmente en Nefelometric Turbidity Unit (NTU). Existe una relation entre la unidad de sllice (mg/L de SiO2) y la NTU: 1 SiO2 (mg/L) = 7.5 NTU.Turbidity is usually measured in the Nefelometric Turbidity Unit (NTU). There is a relationship between the unit of silica (mg / L of SiO2) and the NTU: 1 SiO2 (mg / L) = 7.5 NTU.
Es posible por tanto determinar la turbidez con metodos opticos de medicion en llnea. Tlpicamente, este parametro se determina midiendo la intensidad de la luz dispersada a un angulo de 90 grados respecto a la direction de la luz.It is therefore possible to determine turbidity with optical methods of online measurement. Typically, this parameter is determined by measuring the intensity of the light scattered at a 90 degree angle to the direction of the light.
En tal sentido, son conocidos en el estado de la tecnica los metodos ISO 7027 y USEPA, que utilizan una luz infrarroja, midiendo la luz dispersada en un angulo de 90 grados.In this sense, ISO 7027 and USEPA methods are known in the state of the art, which use an infrared light, measuring the light scattered at a 90 degree angle.
En esta modalidad de realization preferida, el sensor de turbidez 3 utiliza para la medicion de la turbidez un metodo indirecto basado en la medida de la intensidad de luz transmitida a traves del fluido que circula por una tuberla mediante un sensor de fibra optica y un amplificador con salida analogica. Al aumentar la turbidez disminuye la intensidad de luz transmitida. Como fuente de luz se utiliza un LED que emite luz infrarroja con una longitud de onda de 640 nm.In this preferred embodiment, the turbidity sensor 3 uses an indirect method for the measurement of turbidity based on the measurement of the intensity of light transmitted through the fluid flowing through a pipe by means of an optical fiber sensor and an amplifier With analog output. Increasing turbidity decreases the intensity of transmitted light. A LED that emits infrared light with a wavelength of 640 nm is used as the light source.
La intensidad de la luz transmitida a 180° se convierte en una senal electrica mediante un convertidor que proporciona una salida analogica.The intensity of the light transmitted at 180 ° is converted into an electrical signal by means of a converter that provides an analog output.
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En esta modalidad de realization preferida, el sensor de la turbidez 3 del medio ilquido comprende una carcasa resistente de laton que sirve de alojamiento, en donde se incluye un conjunto funcional compuesto por un cabezal de detection y una fibra optica con un modo de operation tipo barrera.In this preferred embodiment, the turbidity sensor 3 of the illiquid medium comprises a resistant brass housing that serves as a housing, where a functional assembly comprising a detection head and an optical fiber with an operation mode type is included barrier.
Todo ello se soporta en un tubo cillndrico de acero inoxidable, de diametro nominal entre DN25 y DN50 que se fija a la tuberla mediante rosca macho o hembra o bridas en los extremos.All this is supported on a stainless steel cylindrical tube, with a nominal diameter between DN25 and DN50 that is fixed to the pipe by means of a male or female thread or flanges at the ends.
El cabezal del sensor de turbidez 3 esta conectado a la cubierta del amplificador electronico mediante una fibra optica.The turbidity sensor head 3 is connected to the cover of the electronic amplifier by means of an optical fiber.
El sensor de turbidez 3 descrito utilizado en esta modalidad de realization preferida, es mas adecuado y ventajoso en relation a otras soluciones conocidas en el estado de la tecnica.The turbidity sensor 3 described used in this preferred embodiment is more suitable and advantageous in relation to other solutions known in the state of the art.
En esta modalidad de realization preferida, los medios de medicion de la presion de funcionamiento del filtro 1 comprenden un sensor de presion 4 ya conocido en el estado de la tecnica. La presion de funcionamiento del filtro 1 viene determinada por la diferencia de presion entre la entrada y salida del filtro 1.In this preferred embodiment, the operating pressure measurement means of the filter 1 comprises a pressure sensor 4 already known in the state of the art. The operating pressure of filter 1 is determined by the pressure difference between the inlet and outlet of filter 1.
En esta modalidad de realization preferida, la salida del filtro 1 esta directamente en contacto con el ambiente libre atmosferico, por lo que puede suponerse que la presion de salida sera siempre la misma, por lo que el valor de la diferencia de presion entre la entrada y salida del filtro 1 solo dependera del valor de la presion a la entrada del filtro 1, por lo que el sensor de presion 4 esta dispuesto a la entrada del filtro 1.In this preferred embodiment, the output of the filter 1 is directly in contact with the atmospheric free environment, so it can be assumed that the output pressure will always be the same, so that the value of the pressure difference between the input and output of the filter 1 will only depend on the value of the pressure at the inlet of the filter 1, whereby the pressure sensor 4 is arranged at the inlet of the filter 1.
En otras modalidades de realization preferidas, la salida del filtro 1 pudiera no estar en contacto con el ambiente libre atmosferico, con lo que en tal caso serla necesaria la medicion de la presion simultanea en la entrada y salida del filtro 1.In other preferred embodiments, the output of the filter 1 may not be in contact with the atmospheric free environment, so that in this case it would be necessary to measure the simultaneous pressure at the inlet and outlet of the filter 1.
El caudallmetro 5 utilizado en los medios de medicion del caudal de funcionamiento del filtro 1 esta instalado a la salida del filtro 1, y es conocido en el estado de la tecnica.The flowmeter 5 used in the measurement means of the operating flow of the filter 1 is installed at the outlet of the filter 1, and is known in the state of the art.
Los medios de dosificacion 11 del producto coadyudante estan instalados antes del filtro 1 y aguas arriba del sensor de presion 3 y del sensor de turbidez 4, y_son conocidos en elThe dosing means 11 of the auxiliary product is installed before the filter 1 and upstream of the pressure sensor 3 and the turbidity sensor 4, and are known in the
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estado de la tecnica. Estan controlados y operados desde el microprocesador 2, siendo este quien establece la proportion de la dosis de producto coadyudante por ellos aportada.state of the art They are controlled and operated from microprocessor 2, this being the one who establishes the proportion of the dose of coadjuvant product provided by them.
Tal y como se aprecia en la figura 1, en esta modalidad de realization preferida de la disposition de funcionamiento del sistema de control para un filtro de partlculas de la presente invention, el agua de entrada es almacenada en un deposito receptor 12 antes de su paso al filtro 1.As can be seen in Figure 1, in this preferred embodiment of the operating arrangement of the control system for a particle filter of the present invention, the inlet water is stored in a receiving tank 12 before its passage to filter 1.
Los medios de dosificacion 11 del producto coadyudante estan instalados de modo que vierten la dosificacion del producto coadyudante en el deposito receptor 12, segun su control desde el microprocesador 2.The dosing means 11 of the auxiliary product is installed so that they pour the dosage of the auxiliary product into the receiving tank 12, according to its control from the microprocessor 2.
La bomba de impulsion 6 es gobernada desde el microprocesador 2, quien establece su rango de funcionamiento para aportar el adecuado caudal de agua desde el deposito receptor 12 con la adecuada dosis de producto coadyudante vertido desde los medios de dosificacion 11 del producto coadyudante, para asl conseguir un adecuado y optimo funcionamiento del filtro 1.The discharge pump 6 is governed from the microprocessor 2, which establishes its operating range to provide adequate water flow from the receiving tank 12 with the appropriate dose of auxiliary product poured from the dosing means 11 of the auxiliary product, for this purpose. achieve adequate and optimal operation of the filter 1.
Las lecturas de los valores de turbidez, presion y caudal, recibidos respectivamente desde el sensor de turbidez 3, el sensor de presion 4 y el caudallmetro 5, asl como sus variaciones registradas, son enviadas al microprocesador 2, el cual lee y procesa dichos valores, y establece la dosis necesaria para ser vertida desde los medios de dosificacion 11 del producto coadyudante, asl como el rango de funcionamiento de la bomba de impulsion 6 para aportar un adecuado caudal de agua al filtro 1.The readings of the turbidity, pressure and flow values, received respectively from the turbidity sensor 3, the pressure sensor 4 and the flowmeter 5, as well as their recorded variations, are sent to the microprocessor 2, which reads and processes said values , and establishes the dose necessary to be poured from the dosing means 11 of the auxiliary product, as well as the operating range of the impulse pump 6 to provide adequate water flow to the filter 1.
Por ejemplo, en el caso de aumentar la turbidez del agua y/o su variation o gradiente, el microprocesador 2 determinara un aumento necesario en la dosis del producto coadyudante desde los medios de dosificacion 11 del producto coadyudante y/o una variacion en el rango de funcionamiento de la bomba de impulsion 6 para aumentar su caudal. Si por el contrario disminuyera la turbidez del agua y/o su variacion o gradiente, el microprocesador 2 actuara en sentido contrario.For example, in the case of increasing the turbidity of the water and / or its variation or gradient, the microprocessor 2 will determine a necessary increase in the dose of the auxiliary product from the dosing means 11 of the auxiliary product and / or a variation in the range operating pump 6 to increase its flow. If, on the contrary, the turbidity of the water and / or its variation or gradient decrease, the microprocessor 2 will act in the opposite direction.
En otras modalidades de realizacion preferidas, el sistema de control para un filtro de partlculas de la presente invencion puede presentar multiples disposiciones y variedades en su instalacion.In other preferred embodiments, the control system for a particle filter of the present invention may have multiple arrangements and varieties in its installation.
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Puede encontrarse, por ejemplo, dispuesto de modo que el deposito receptor 12 presente una altura tal en relacion al propio filtro 1 que el agua pueda salir por calda libre por la accion de la gravedad, con lo cual no serla necesaria bomba de impulsion 6 para la llegada del agua hasta el filtro 1. En este caso, los medios de regulation del caudal de entrada en dicho filtro 1 comprenderlan una valvula de regulacion, tambien gobernada desde el microprocesador 2, que regularla el caudal de salida desde el deposito receptor 12 del agua en su salida por gravedad.It can be found, for example, arranged so that the receiving tank 12 has a height in relation to the filter 1 itself so that the water can flow through a free boiler by the action of gravity, so that it will not be necessary to drive pump 6 to the arrival of the water to the filter 1. In this case, the means of regulation of the inlet flow in said filter 1 will comprise a regulation valve, also governed from the microprocessor 2, which will regulate the outflow from the receiving tank 12 of the water at its exit by gravity.
En otras disposiciones y modalidades de realization preferidas, puede no existir deposito receptor 12, estando los medios de dosificacion 11 del producto coadyudante dispuestos para la insertion del producto coadyudante directamente en la tuberla de entrada en el filtro 1, por ejemplo.In other preferred embodiments and embodiments, there may be no receiver reservoir 12, the dosing means 11 of the auxiliary product being arranged for insertion of the auxiliary product directly into the inlet pipe in the filter 1, for example.
El sistema de control para un filtro de partlculas de la invention permite conseguir una reduction del consumo de producto coadyudante, y por tanto reducir el coste de operation y funcionamiento del propio filtro 1.The control system for a particle filter of the invention makes it possible to achieve a reduction in the consumption of the auxiliary product, and therefore to reduce the cost of operation and operation of the filter 1 itself.
Una prestacion muy util del sistema de control para un filtro de partlculas de la presente invencion, puede ser por ejemplo su aplicacion en la separation de las partlculas de vidrio del agua de refrigeracion de las muelas de las maquinas de procesado de vidrio plano.A very useful feature of the control system for a particle filter of the present invention can be, for example, its application in the separation of the glass particles from the cooling water of the wheels of the flat glass processing machines.
Los detalles, las formas, las dimensiones y demas elementos accesorios, as! como los materiales empleados en la fabrication del sistema de control para un filtro de partlculas de la invencion, podran ser convenientemente sustituidos por otros que sean tecnicamente equivalentes y no se aparten de la esencialidad de la invencion ni del ambito definido por las reivindicaciones que se incluyen a continuacion.The details, shapes, dimensions and other accessory elements, as! as the materials used in the manufacture of the control system for a particle filter of the invention, they may be conveniently substituted by others that are technically equivalent and do not depart from the essentiality of the invention or the scope defined by the claims included. then.
Claims (10)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES201531085A ES2549490B2 (en) | 2015-07-22 | 2015-07-22 | CONTROL SYSTEM FOR A PARTICLE FILTER |
| PCT/ES2016/070557 WO2017013301A1 (en) | 2015-07-22 | 2016-07-22 | Control system for a fluid filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES201531085A ES2549490B2 (en) | 2015-07-22 | 2015-07-22 | CONTROL SYSTEM FOR A PARTICLE FILTER |
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| ES2549490A1 ES2549490A1 (en) | 2015-10-28 |
| ES2549490B2 true ES2549490B2 (en) | 2016-05-10 |
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| WO2019122471A1 (en) * | 2017-12-19 | 2019-06-27 | Vitrosep, S.L. | Improved filter system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US3693797A (en) * | 1970-05-08 | 1972-09-26 | George J Topol | Apparatus for adding material to liquids |
| WO1995030468A1 (en) * | 1994-05-10 | 1995-11-16 | Womack International, Inc. | Optimizing operation of a filter system |
| US5635074A (en) * | 1995-02-23 | 1997-06-03 | Motorola, Inc. | Methods and systems for controlling a continuous medium filtration system |
| WO1998005402A1 (en) * | 1996-08-05 | 1998-02-12 | Peter Anthony Miller | Apparatus for liquid purification |
| FR2909903B1 (en) * | 2006-12-19 | 2009-02-27 | Degremont Sa | METHOD FOR OPTIMIZED MANAGEMENT OF A FILTRATION UNIT ON MEMBRANE, AND INSTALLATION FOR ITS IMPLEMENTATION |
| KR101075885B1 (en) * | 2009-04-28 | 2011-10-25 | (주)대우건설 | Water purification apparatus and method for using pressure filter and pore control fiber filter |
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2015
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| WO2017013301A1 (en) | 2017-01-26 |
| ES2549490A1 (en) | 2015-10-28 |
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