JP3479192B2 - Water-soluble substance extraction device for microalgae - Google Patents

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention mainly relates to chlorella.
(Chlorella), Spirulina, Anabena
a device for extracting water-soluble substances of microalgae such as bena), in particular, Chlorella Growth Factor (Chlorella Growth Factor) from chlorella slurry.
r) [hereinafter referred to as "CGF"] relates to a water-soluble substance extraction device for microalgae suitable for performing hot water extraction.

[0002]

BACKGROUND OF THE INVENTION Problems to be Solved by the Invention From chlorella slurry to C.I. G. F. In the case of performing the hot water extraction, the plate heat exchanger has been conventionally used, which performs extraction by batch processing. In the case of the conventional extraction device using this plate heat exchanger, a specified amount of chlorella slurry is dispersed in hot water in a simple temperature holding container for a certain period of time (C. GF
In the case of hot water extraction, the target substance is extracted by maintaining the necessary temperature for 15 to 20 minutes), and in order to process the following specified amount of chlorella slurry, the contents of the temperature holding container After replacement, the required temperature had to be maintained again for the constant time required for extraction.

This conventional device has the following problems. This device is for batch processing, and cannot perform continuous extraction processing with high work efficiency. When extraction is performed using this device, Chlorella algae gradually adhere to and accumulate on the plate, leading to deterioration of extraction efficiency. Since it is necessary to prevent damage to the packing of the heat exchange plate and the extraction temperature cannot be raised above a certain limit, there is a limit in improving the extraction efficiency.

The present invention has been made in view of the above problems existing in the prior art, and it is possible to continuously perform the extraction process, and the object is attached to the heat exchange plate and the like. An apparatus for extracting a water-soluble substance of microalgae, which can avoid the inconvenience associated therewith, and can enhance the extraction efficiency by sufficiently increasing the extraction temperature, and a microscopic device that can freely adjust the temperature holding time for the extraction An object is to provide a water-soluble substance extraction device for algae.

[0005]

The extraction apparatus of the present invention which achieves the above object comprises a temperature holding container, a spiral tube provided in the temperature holding container and having a spiral axis extending substantially vertically, With an outflow pipe having an outlet opening above the bottom in the temperature holding container, having an inlet at the upper end of the spiral pipe, the lower end of the spiral pipe opens into the temperature holding container, The introduced substance from the introduction port is discharged from the lower end of the spiral pipe into the temperature holding container through the spiral pipe, and the introduced substance is centrifugally generated by the descent of the spiral pipe in the spiral pipe. It is characterized in that the solid component is separated from the liquid component as much as possible, and the liquid component in the supernatant discharged out of the temperature holding container is separated from the outflow port through the outflow pipe.

[0006] When the atomized product of the slurry of the object is mixed with steam and heated, and introduced into the spiral tube from the upper end of the spiral tube provided in the temperature holding container, the introduced product is spirally wound. Of the spiral tube descends while swirling in the spiral tube which is substantially vertical, and is discharged from the lower end of the spiral tube into the temperature holding container. The solid component of the introduction is separated from the liquid component as much as possible by the centrifugal force acting on the introduction by swirling down in the spiral tube.

The exhaled matter emitted from the lower end of the spiral tube after the solid component of the introduction is separated as much as possible from the liquid component is
The solid component in the discharge precipitates in a state where the temperature is maintained as much as possible until the supernatant liquid is accumulated in the temperature holding container and the supernatant liquid reaches the outlet. When the introduced substance is continuously introduced into the spiral pipe, the discharge product is continuously discharged from the lower end of the spiral pipe into the temperature holding container, so the supernatant liquid of the discharge product in the temperature holding container is discharged from the outlet. Can be continuously drained from.
After being continuously discharged from the lower end of the spiral tube, the discharge is kept at a temperature as high as possible until the supernatant liquid separates and reaches the outlet. Therefore, the introduced substance is swirled down in the spiral pipe and discharged from the lower end of the spiral pipe, and the temperature is maintained until the supernatant liquid is separated and reaches the outlet, so that the soluble component is extracted from the object. It By continuously introducing the introduced substance, the soluble component is continuously extracted. Since the time during which the discharge is kept at temperature corresponds to the vertical position of the outlet, the extraction time is controlled by placing the outlet at an appropriate position.

It is desirable that the extraction apparatus of the present invention be provided with a discharging means for discharging the precipitate in the temperature holding container.

As the discharging means, it is possible to use, for example, one provided with a discharge port or a discharge pipe which can be opened and closed in the lower part such as the bottom of the temperature holding container.

When a deposit due to the discharged substance is accumulated in the temperature holding container to a certain extent or more, for example, the discharging means continuously or at a constant amount intermittently at a discharging speed corresponding to the increasing speed of the precipitate. By discharging the precipitate to the outside, the continuous extraction of the soluble component from the continuously introduced product can be continuously performed.

Further, the extraction apparatus of the present invention preferably comprises height adjusting means capable of changing the vertical position of the outlet. By adjusting the vertical position of the outlet, it is possible to adjust the time during which the temperature of the discharge is maintained. Further, by moving the outflow port up and down according to the increase and decrease of the precipitate in the temperature holding container, the temperature holding time until the supernatant liquid is separated from the discharge and reaches the outflow port can be made constant.

Further, it is preferable that the extraction apparatus of the present invention has a filtering means at the outlet. Only the liquid component can be separated by letting out the supernatant liquid from the outlet through the filtering means.

Further, the extraction apparatus of the present invention comprises a mixing cylinder, an atomized product ejecting means for ejecting the atomized product of the slurry of the object, and a water vapor ejecting means for ejecting water vapor. The atomizing agent jetting means and the water vapor jetting means eject the atomized material and water vapor of the slurry of the object toward the terminal portion from the starting end portion thereof into the mixing tubular body to obtain the atomized material. The water vapor is mixed and the mixture is
It is to be delivered from an outlet provided at the terminal end of the mixing tubular body, and the inlet of the spiral pipe is communicated with the outlet, and the product delivered from the outlet is introduced from the inlet. Therefore, it is preferable that the atomized product is continuously heated by being mixed with the water vapor and advancing in the mixing cylindrical body toward the terminal end thereof.

The atomized product ejecting means may be one that atomizes the slurry of the object at the same time as it is ejected, or may be a device that atomizes the slurry of the object in advance and then ejects it. A pump that delivers a slurry of material,
It can be constituted by a nozzle that directly sprays the slurry discharged from the pump onto the starting end portion in the mixing cylindrical body.

The water vapor jetting means can be constituted by a nozzle for jetting the supplied water vapor toward the terminal end portion at the starting end portion in the mixing cylindrical body.

The atomized product ejecting means and the water vapor ejecting means are arranged so that the atomized product of the slurry of the object ejected into the mixing cylinder is mixed with the water vapor.

The atomized product and steam of the slurry of the object are ejected from the starting end portion into the mixing cylindrical body, and the atomized product and steam are mixed, and the mixing cylindrical body is directed toward the terminal end portion. As it progresses, the atomized product of the slurry of the object is mixed with water vapor and rapidly and continuously heated by the sensible heat and latent heat of the water vapor.

After the atomized product of the slurry of the target object is mixed with the steam and heated in the mixing cylinder, the extraction of the soluble component from the target object proceeds at least to a certain degree, and then it is delivered from the outlet. The delivered material is introduced into the spiral tube from the inlet of the spiral tube.

Further, the extraction device of the present invention has a temperature sensor for sensing the temperature in the mixing cylindrical body, and based on the sensed temperature of the temperature sensor, the flow rate and / or the pressure of the steam jetted by the steam jetting means. It is desirable to provide an adjusting means for adjusting and maintaining the temperature in the mixing cylindrical body at a substantially set temperature.

The temperature sensor can be provided at one place or at a plurality of places suitable for sensing the temperature inside the mixing cylinder, and for example, at one place on the inner peripheral portion of the mixing cylinder at the intermediate position in the front-rear direction. Can be provided.

As the adjusting means, for example, by controlling a water vapor amount proportional control valve based on the difference between the temperature sensed by the temperature sensor and the set temperature, the flow rate of the water vapor ejected by the water vapor ejecting means is adjusted. The temperature in the tubular body may be maintained at the set temperature as much as possible.
The set temperature may be constant or variable.

According to this extracting device, the adjusting means allows
Since the temperature in the mixing cylindrical body is maintained at substantially the set temperature, the atomized product of the slurry of the object can be continuously and reliably heated.

Further, the extraction apparatus of the present invention has a double nozzle having an annular outer nozzle on the outer peripheral side of the inner nozzle at the starting end of the mixing cylindrical body, and It is desirable that the atomized product of the slurry of the object be ejected from the inner nozzle and the water vapor be ejected from the outer nozzle toward the end portions.

The atomized product of the slurry of the object ejected from the inner nozzle of the double nozzle is well mixed with the water vapor ejected from the outer nozzle surrounding the inner nozzle while the mixing cylindrical body is brought to the end portion thereof. Proceed towards. Therefore, the atomized product of the slurry of the object is rapidly and surely uniformly heated by the steam.

Further, in the extraction apparatus of the present invention, the starting end portion of the inner surface of the mixing cylindrical body is constituted by an inwardly concave paraboloid whose axis is substantially aligned with the axis of the mixing cylindrical body, It is desirable that the atomized product ejecting means and the water vapor ejecting means eject the atomized product and the water vapor of the slurry of the object, respectively, near the focal point of the paraboloid of revolution.

In this case, the atomized product and a part of the water vapor of the slurry of the object ejected toward the terminal end by the atomized product ejection means and the water vapor ejection means near the focal point generate a backward or lateral velocity component. Even if it has, by hitting and reflecting on the start end of the mixing cylindrical inner surface, it progresses toward the end almost parallel to the axis of the mixing cylindrical body. Continuous heating is uniformly performed by mixing the atomized product of the slurry of the object and steam.

Further, in the extracting apparatus of the present invention, the terminating end of the inner surface of the mixing cylindrical body is constituted by an inwardly concave spheroidal surface,
It is desirable that the axis of the spheroid and the axis of the delivery port substantially coincide with the axis of the mixing cylinder.

In this case, among the mixture of the atomized product of the slurry of the object and the water vapor, what comes into contact with the end portion of the inner surface of the mixing cylindrical inner surface is reflected to cause rotation which is located on the axis of the delivery port. Since it is concentrated near the focal point of the elliptical surface, it is smoothly delivered from the delivery port.

Furthermore, in the extraction apparatus of the present invention, a spiral guide ridge is provided on the inner peripheral surface of the mixing cylindrical body so that the axis of the spiral extends substantially along the axis of the mixing cylindrical body. It is desirable to make it.

With such a configuration, the atomized product of the slurry of the object and the water vapor ejected toward the terminal end into the mixing cylindrical body by the atomized product ejection means and the water vapor ejection means are spiral guide protrusions. By being guided by the strip, it spirally swivels and advances in the mixing cylindrical body toward its end. The spiral swirl as it progresses promotes thorough mixing of the atomization product with water vapor, making fast continuous heating of the atomization product more reliable.

Further, in the extraction apparatus of the present invention, it is preferable that the ejection flow rate of the slurry of the object by the atomized product ejection means is a set constant flow rate. As a result, continuous heating of the atomized product of the slurry of the object by mixing with the water vapor ejected by the water vapor ejecting means is performed more reliably and uniformly.

Furthermore, in the extraction apparatus of the present invention, it is desirable that the mixing cylinder has a cylindrical shape. As a result, the atomized product of the water vapor and the slurry of the object smoothly proceeds toward the terminal end without unevenness, and the continuous heating of the atomized product of the slurry of the object by mixing with the water vapor is more surely performed. Done without.

[0033]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described with reference to the drawings.

FIG. 1 is a schematic explanatory view of an extraction device for chlorella slurry as an example of an embodiment of the present invention.

This extraction device is mainly equipped with a continuous heating unit 10.
And a temperature holding unit 60.

Cylindrical body 12 for mixing in the continuous heating section 10.
Has a substantially cylindrical shape whose axis is horizontal. The starting end portion and the terminating end portion of the inner surface of the mixing cylindrical body 12 are constituted by an inner concave paraboloid of revolution 12a and an inner concave ellipsoid of revolution 12b, respectively. The axis of the elliptical surface 12b coincides with the axis of the mixing cylindrical body 12.

At the starting end of the mixing cylindrical body 12, an annular outer nozzle 14b is concentrically provided on the outer peripheral side of the inner nozzle 14a, and the axial center line is the axial center of the mixing cylindrical body 12. A double nozzle 14 that coincides with the line is provided in a protruding manner, and the tip opening of the double nozzle 14 is located near the focal point of the paraboloid of revolution 12a.

To the base of the inner nozzle 14a is connected a chlorella slurry feed pipe 18 which is connected to a constant amount pump 16 for feeding a set flow rate of chlorella slurry, and the inner nozzle 14a is fed under pressure. Atomized product ejecting means for atomizing and ejecting from the tip opening portion toward the end portion in the mixing cylindrical body 12.

A steam feed pipe 20 connected to a live steam source (not shown) such as a boiler is connected to the base of the outer nozzle 14b, and the outer nozzle 14b is connected to the live steam to be fed. A steam ejecting means for ejecting the water vapor from the tip opening toward the terminal end is formed.

The outer nozzle 14b is provided in the middle of the steam supply pipe 20.
Has a water vapor amount proportional control valve 22 for adjusting the flow rate of water vapor before being jetted by. A temperature sensor 24 for sensing the temperature in the mixing tubular body 12 is provided on the inner peripheral portion of the mixing tubular body 12 at the intermediate position in the front-rear direction. A controller 26 that outputs a control signal to the water vapor amount proportional control valve 22 based on the difference between the temperature sensed by the sensor 24 and the set temperature (for example, preferably about 90 to 100 ° C., more preferably about 93 to 97 ° C.). Have. As the control device 26, for example, a known control device such as a general control circuit or a microcomputer can be used, and the set temperature can be freely set. By controlling the water vapor amount proportional control valve 22 by the control device 26, the flow rate of the raw steam ejected from the outer nozzle 14b is adjusted to maintain the temperature in the mixing cylindrical body 12 at the set temperature as much as possible. .

A pressure gauge 28 for measuring the pressure in the pipe is provided upstream of the steam amount proportional control valve 22 in the steam supply pipe 20, and a thermometer 30 for measuring the temperature in the pipe is provided downstream. Is provided.

On the inner peripheral surface of the mixing tubular body 12, there is provided a spiral guide ridge 32 whose spiral axis is substantially along the axis of the mixing tubular body 12, and the mixing tubular body 12 is provided. The atomized substance and the water vapor of the chlorella slurry ejected inside are spirally swirled by being guided by the spiral guide ridge 32.

At the end of the mixing cylindrical body 12, there is provided a delivery port 12c having a circular cross section whose axis coincides with the axis of the mixing tubular body 12, and the delivery port 12c is provided with the delivery port 12c. One end of the pipe 33 is connected. The delivery tube 33 has a thermometer 3
4 and a pressure gauge 36 are provided.

The holing tank 62 (temperature holding container) in the temperature holding unit 60 has a substantially cylindrical shape whose axis is substantially vertical and has an internal confirmation window 62a on its side surface. An air vent pipe 64 is provided on the upper portion of the holing tank 62 to let excess air and other gases inside escape to the outside.
A chlorella alga body discharge pipe 64 having an opening / closing valve 64a is provided at the lower end of the holing tank 62.

Inside the holing tank 62, there is provided a spiral pipe 66 in which the axis of the helix is substantially vertical and the radius of the helix is slightly smaller than the inner diameter of the holing tank 62. The spiral tube 66 opens outside the upper part of the holing tank 62. The other end of the delivery pipe 33 is connected to the inlet 66a at the upper end of the spiral pipe 66. The lower end 66b of the spiral tube 66 is open to the inner bottom of the holing tank 62.

A fixed outflow pipe 68 and a movable outflow pipe 70 are provided on the axis of the holing tank 62. The fixed outflow pipe 68 has an upper end opened at an intermediate position in the up-down direction, penetrates the center of the bottom of the holing tank 62 and reaches the lower side, and an opening / closing valve 68 a is provided outside the holing tank 62.
Have. A movable outflow pipe 70 is provided on the fixed outflow pipe 68.
Is fitted so that it can slide up and down.

At the upper end opening of the movable outflow pipe 70, there is provided a frustoconical filter 72 whose outer diameter is reduced upward, and the liquid is filtered through the side peripheral surface thereof to allow the movable outflow pipe 7 to flow.
It is configured to flow down into 0. The movable outflow pipe 7
The lower end of the vertical position adjusting rod 74 is connected to 0, and the upper end of the vertical position adjusting rod 74 penetrates the top plate of the holing tank 62 and projects upward, and the vertical position adjusting rod 74 is attached to the upper end thereof. A vertical adjustment handle 74a is provided for operating and adjusting the vertical position of the movable outflow pipe 70.

The fixed flow rate pump 16 pressure-feeds the chlorella slurry at a set flow rate, and the inner nozzle 14 of the double nozzle 14
The chlorella slurry is atomized by a and jetted toward the end portion into the mixing cylindrical body 12, and the live steam fed from the steam feed pipe 20 connected to the live steam source is double nozzle. From the outer nozzle 14b of 14 to the mixing cylinder 12
Inject it toward the end.

Then, the atomized substance of the chlorella slurry ejected from the inner nozzle 14a and the outer nozzle 1 surrounding it.
The live steam spouted from 4b is well mixed, and is guided by the spiral guide ridge 32 so as to spirally swirl and proceed in the mixing cylindrical body 12 toward its end portion. Even if a part of the atomized product and live steam of the chlorella slurry ejected in the vicinity of the focal point of the paraboloid of revolution 12a at the start end of the mixing tubular body 12 has a backward or lateral velocity component, When it hits the paraboloid of revolution 12a and is reflected, it advances toward the terminal end substantially parallel to the axis of the mixing cylinder 12. The temperature in the mixing cylindrical body 12 is controlled by the control device 26 by the water vapor amount proportional control valve 22.
Is controlled to maintain the set temperature as much as possible. Of the mixture of atomized substance of chlorella slurry and live steam, the one that hits the end portion of the inner surface of the mixing cylindrical body 12 is:
By being reflected, it concentrates in the vicinity of the focal point of the spheroid 12b located on the axis of the delivery port 12c.
It is delivered smoothly from c.

The spiral whirl in the course of progress promotes sufficient mixing of the atomized product and the live steam, and the atomized product of the chlorella slurry is uniformly and quickly and surely due to the sensible heat and latent heat of the live steam. In addition, the C.I.
G. F. Extraction proceeds at least to a certain extent. Since a heat exchange member such as a heat exchange plate is not used, the inconvenience caused by the object adhering to the heat exchange member is avoided.

After the atomized substance of the chlorella slurry is mixed with live steam and heated, the delivery port 1 of the mixing cylindrical body 12
The delivery material delivered from 2c is introduced into the spiral tube 66 through the delivery tube 33 and the introduction port 66a at the upper end of the spiral tube 66. The introduced substance descends while swirling in the spiral pipe 66, and is discharged from the lower end portion 66b of the spiral pipe 66 to the bottom portion in the holing tank 62. Due to the centrifugal force acting on the introduction by swirling down in the spiral tube 66, the solid component of the introduction including the atomized substance of the chlorella slurry is separated from the liquid component as much as possible. Also, the C.I. G. F. Extraction proceeds at least to a certain extent.

The solid component of the introduction containing the atomized product of the chlorella slurry is separated from the liquid component as much as possible, and the spiral tube 6
The effluent released from the lower end portion 66b of the No. 6 gradually accumulates in the holing tank 62 and is kept as warm as possible until the supernatant liquid reaches the outlet, and chlorella which is a solid component in the effluent. The algal body precipitates. Mixing cylinder 12
Since the introduced substance is continuously introduced into the spiral pipe 66 from the lower end portion 66b of the spiral pipe 66, the discharged substance is continuously released into the holing tank 62. G. F. Is continuously extracted and the holing tank 6
The supernatant of the discharge in C. 2, ie C.I. G. F. The contained liquid can be continuously discharged to the movable outflow pipe 70 and the fixed outflow pipe 68 through the filter 72. Filtration by the filter 72 is performed by filtering the supernatant liquid, which gradually increases in water level, through the side peripheral surface of the frustoconical filter 72 whose outer diameter decreases toward the upper side. Therefore, at the time of filtration, a flow that is substantially along the generatrix occurs outside the filter 72, and clogging of the filter 72 is prevented as much as possible.

The discharged substance is continuously discharged from the lower end portion 66b of the spiral tube 66, and then the supernatant liquid is separated and the filter 7
The temperature is maintained as much as possible until the temperature reaches 2. The holding temperature is preferably 90 ° C. or higher. The optimum temperature is about 95 ° C. Therefore, the introduced substance containing the atomized substance of the chlorella slurry swirls and descends in the spiral pipe 66 and is discharged from the lower end portion 66b of the spiral pipe 66. Until the supernatant liquid is separated and reaches the outlet, the temperature is increased. Retained and C.I. G.
F. Is extracted. When the amount of the chlorella algal cells precipitated becomes a certain amount or more due to the continuous introduction of the introduced substance, for example, by adjusting the opening / closing valve 64a, continuously at a discharge rate corresponding to the increasing rate of the precipitate, or, for example, By discharging the precipitate to the outside through the Chlorella algal cell discharge pipe 64 intermittently by a fixed amount, the C. G. F. Can be continuously extracted. Since the time for which the temperature of the discharged material is maintained corresponds to the vertical position of the filter 72 provided in the movable outflow pipe 70, the discharged material can be adjusted by adjusting the vertical position while checking the inside through an internal confirmation window. You can adjust the amount of time the temperature is maintained. Usually, this temperature holding time is preferably about 15 to 20 minutes. In addition, the holing tank 62
When the movable outflow pipe 70 is moved up and down by operating the up / down adjustment handle 74a according to the increase / decrease of the sediment (chlorella algal bodies) in the inside, the supernatant liquid is separated from the discharge until it reaches the filter 72. The temperature holding time can be made constant.

The dimensions, the number, the material, the shape, the relative arrangement, etc. of the constituent parts in the above description of the embodiments are within the scope of the present invention unless otherwise specified. It is not intended to be limited to these, but merely an example of explanation.

[0055]

According to the extraction apparatus of the present invention, the introduced substance obtained by mixing the atomized product of the slurry of the object with the steam and heating the same is swung down in the spiral pipe and comes down from the lower end of the spiral pipe. Since the soluble components are extracted from the target while being kept at a temperature until the supernatant liquid is separated and the supernatant liquid is separated and reaches the outlet, the extraction time is controlled by arranging the outlet at an appropriate vertical position. Then, the appropriate extraction of the soluble component from the object can be continuously performed.

According to the extracting apparatus of the second aspect, when the precipitate is accumulated in the temperature holding container to a certain extent or more, the precipitate is discharged to the outside by the discharging means, so that it can be dissolved from the continuously introduced product. The continuous extraction of the components can be carried out continuously.

According to the extraction apparatus of the third aspect, by adjusting the upper and lower positions of the outflow port, it is possible to adjust the time during which the temperature of the discharged material is maintained, and it is possible to adjust the amount of sediment in the temperature holding container. By moving the outflow port up and down, the temperature holding time until the supernatant liquid is separated from the discharge and reaches the outflow port can be made constant.

According to the extraction device of the fourth aspect, the supernatant liquid flows out from the outlet through the filtering means, whereby only the liquid component can be separated.

According to the extraction apparatus of claim 5, the atomized product of the slurry of the object can be rapidly and continuously heated by wet heating using water vapor before being introduced into the spiral tube. Since no heat exchange member is used, the extraction efficiency can be improved by sufficiently increasing the extraction temperature using high temperature steam, and the extraction efficiency decreases due to the accumulation of the target object on the heat exchange member. It is possible to avoid such inconvenience. In addition, since the soluble component is extracted from the target object at least to a certain extent in the mixing cylinder, the extraction process can be performed more efficiently.
Therefore, by continuously heating the chlorella slurry, the C.I. G. F. Is particularly suitable for performing the extraction process of.

According to the extraction apparatus of the sixth aspect, the atomization product of the slurry of the object such as the chlorella slurry can be continuously and reliably heated by maintaining the temperature in the mixing cylindrical body at substantially the set temperature. it can.

According to the extractor of claim 7, since the atomized product of the slurry of the object ejected from the inner nozzle is well mixed with the water vapor ejected from the outer nozzle, the atomization of the slurry of the object such as chlorella slurry is performed. The compound can be rapidly and surely uniformly heated by steam.

According to the extracting apparatus of the eighth aspect, when a part of the atomized product of the jetted slurry of the object and the steam hits the starting end of the inner surface of the mixing cylindrical body, they are reflected and mixed. Since it progresses toward the terminal end substantially parallel to the axis of the cylindrical body for use, continuous heating is uniformly carried out by mixing the atomized product of the slurry of the object such as chlorella slurry with the steam. be able to.

According to the extracting apparatus of claim 9, the mixture of the atomized substance of the slurry of the object and the steam, which comes into contact with the end portion of the inner surface of the mixing cylinder, constitutes the inner surface of the end portion. Since it is concentrated near the focal point of the spheroid and is smoothly delivered from the delivery port, it is necessary to continuously and evenly heat the mixture of the atomized product of the slurry of the object such as chlorella slurry and steam. It is suitable.

According to the extraction device of the tenth aspect, the atomized product of the slurry of the object and the steam ejected toward the end portion of the mixing cylindrical body are guided by the spiral guide ridge. As a result, the mixture is spirally swirled and progresses in the mixing cylindrical body toward its end, and sufficient mixing of the atomized product and water vapor is promoted. Rapid and continuous heating of the atomized product can be more reliably performed.

According to the eleventh aspect of the present invention, since the spray flow rate of the atomized product of the slurry of the object such as chlorella slurry is a constant flow rate, the atomized product is mixed with the steam emitted from the steam injection means. The continuous heating can be performed more reliably and evenly.

According to the twelfth aspect of the extraction apparatus, the atomized product of the water vapor and the slurry of the object smoothly and uniformly advances toward the terminal end in the cylindrical mixing cylinder, and is mixed with the water vapor. The continuous heating of the atomized product of the slurry of the object such as the chlorella slurry can be performed more reliably and uniformly.

[Brief description of drawings]

FIG. 1 is a schematic explanatory view of an extraction device.

[Explanation of sign]

12 Mixing cylinder 12c outlet 33 delivery pipe 62 Holing tank 66 spiral tube 66a inlet 66b lower end 68 Fixed outflow pipe 70 Movable outflow pipe 72 Filter

─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. ⁷ identification code FI C12R 1:89) (C12P 1/00 C12R 1:89) (58) Fields investigated (Int.Cl. ⁷ , DB name) C12M 1/00-3/10 C12N 1/00-7/08 C12P 1/00-41/00 BIOSIS / MEDLINE / WPID S (STN)

Claims (12)

(57) [Claims] 1. A temperature-holding container, and a spiral tube provided in the temperature-holding container and having a spiral axis extending substantially vertically.
An outlet pipe having an outlet opening above the bottom of the temperature-holding container, an inlet at the upper end of the spiral pipe, and a lower end of the spiral pipe opening into the temperature-holding container. The introduced substance from the introduction port is discharged from the lower end of the spiral pipe into the temperature holding container via the spiral pipe, and the introduced substance is centrifugally generated by the descent in the spiral pipe. The solid component of is separated from the liquid component as much as possible,
An extractor, wherein a liquid component of a supernatant in a discharge product discharged into a temperature holding container is discharged from an outlet through an outlet pipe and separated. 2. The extraction apparatus according to claim 1, further comprising a discharging means for discharging the precipitate in the temperature holding container. 3. The extracting apparatus according to claim 1, further comprising height adjusting means capable of changing the vertical position of the outlet. 4. The extraction apparatus according to claim 1, 2 or 3, wherein the outlet has a filtering means. 5. A mist ejecting means for ejecting an atomized product of a slurry of an object, a mist ejecting means for ejecting water vapor, and a steam ejecting means for ejecting water vapor. The means and the steam ejecting means ejects the atomized product of the object slurry and the water vapor into the mixing cylindrical body from the starting end portion to the terminal end thereof to mix the atomized product and the steam, and the mixture thereof. Is delivered from an outlet provided at the end of the mixing tubular body, the inlet of the spiral tube is communicated with the outlet, and the delivery product from the outlet is introduced from the inlet. The atomized product is
The extraction device according to claim 1, 2, 3 or 4, which is continuously heated by being mixed with the water vapor and advancing in the mixing cylindrical body toward the terminal end thereof. 6. A temperature sensor for sensing the temperature inside the mixing cylinder, and a mixing cylinder by adjusting the flow rate and / or pressure of the steam ejected by the steam ejecting means based on the temperature sensed by the temperature sensor. 6. The extraction device according to claim 5, further comprising adjusting means for maintaining the temperature inside the state body at a substantially set temperature. 7. A double nozzle having an annular outer nozzle on the outer peripheral side of the inner nozzle is provided at a starting end portion of the mixing cylindrical body, and the object from the inner nozzle to the object is provided in the mixing cylindrical body. The extraction device according to claim 5 or 6, wherein the atomized product of the slurry is ejected from the outer nozzle toward the end portion of water vapor. 8. A starting end portion of the inner surface of the mixing cylindrical body is constituted by an inwardly concave paraboloid of revolution whose axis is substantially coincident with the axis of the mixing cylindrical body. 8. The extraction apparatus according to claim 5, wherein the spraying means sprays the atomized product of the slurry of the object and the steam respectively near the focal point of the paraboloid. 9. The terminating portion of the inner surface of the mixing cylindrical body is constituted by an inwardly concave spheroidal surface, and the axes of the spheroidal surface and the outlet are substantially coincident with the axis of the mixing cylindrical body. The extraction device according to claim 5, 6, 7, or 8. 10. A mixing guide ridge is provided on the inner peripheral surface of the mixing cylindrical body, and the spiral guide line extends substantially along the axis of the mixing cylindrical body. The extraction device according to 8 or 9. 11. The jet flow rate of the slurry of an object by the atomized substance jetting means is a set constant flow rate.
The extraction device according to 6, 7, 8, 9 or 10. 12. The extraction device according to claim 5, 6, 7, 8, 9, 10 or 11, wherein the mixing tubular body has a cylindrical shape.