JP4284683B2 - Solid fuel facility - Google Patents

Description

  The present invention relates to a waste solid fuel conversion facility used for the production of RPF (Refuse Paper & Plastic Fuel) formed by molding and solidifying a mixture of waste paper or wood waste and waste plastic, for example.

Conventionally, as this kind of waste solid fuel conversion equipment, pretreatment work such as crushing treatment is performed on several kinds of waste, and several kinds of pretreated waste are treated with a plurality of screws for each kind of waste. A facility is known that feeds into a feeder, controls the amount of waste discharged from each screw feeder, forms and solidifies mixed waste mixed with several types of waste, and produces solid fuel with a specified blending ratio. ing.
Japanese Patent No. 3304820

  However, in the case of the above-mentioned conventional structure, the pretreatment work such as crushing treatment is performed on several types of waste, and then the structure is put into each screw feeder. Transportation from the position to the screw feeder is required, and the fueling work efficiency may be reduced accordingly.

The present invention aims to solve these disadvantages. Among the present inventions, the invention according to claim 1 is a waste solid fuel for producing a solid fuel having a predetermined blending ratio from several types of waste. A plurality of crushing processing units for crushing and discharging the several types of waste separately, a crushing processing capacity variable unit for changing the crushing processing capability of each crushing processing unit, crushing treatment unit Ri Do from the mold solidification processing unit for forming solidification several kinds of mixed waste coming fed from the molding solidification of the molding solidification unit to the several kinds of mixed waste in the molding solidification unit A fixed-quantity supply unit that supplies a supply amount suitable for the capacity is provided, and each of the crushing processing units is provided with a rotary blade for crushing the waste, and the crushing processing capacity is variable by changing the rotation speed of the rotary blade. And transporting the above waste A pipe conveyor is provided in the path, a belt conveyor is provided in the waste transport path, a magnetic separator for removing metal scraps in the waste transported on the belt conveyor is provided, and each of the crushing processing sections is discarded. The waste solid fuel conversion facility is provided with a dust collecting unit for removing dust from the object, and further, a deodorizing unit for removing malodor of the molded solidification processing unit .

Further, an invention according to claim 2, wherein, which is characterized in that it comprises an accumulating mixing unit for storing mixing several kinds of waste coming from the respective crushing treatment unit, also claim 3, wherein The invention includes a quality determination unit that determines the quality of the solid fuel molded and solidified by the molding and solidification processing unit, and the crushing processing capability of each of the crushing processing units based on quality determination data from the quality determination unit. It is characterized by comprising a quality control unit to be controlled separately .

As described above, the present invention is characterized in that in the invention described in claim 1, several kinds of waste are put into a plurality of crushing processing units, and each crushing processing unit is controlled by a crushing processing capacity variable unit based on a predetermined blending ratio. It is possible to produce a solid fuel with a predetermined blending ratio from several types of waste by crushing and discharging separately by each crushing processing unit, forming and solidifying processing by a molding and solidifying processing unit It is possible to produce a solid fuel with a specified blending ratio by molding and solidifying mixed waste, which is a mixture of several types of waste, without carrying out crushing as pre-treatment work, saving space for the entire facility. Quantitative and fuel efficiency can be improved , and the above-mentioned several types of mixed waste can be supplied to the molding and solidification processing unit in a supply amount suitable for the molding and solidification processing capacity of the molding and solidification processing unit. Supply section Therefore, the solidification processing efficiency of the molding solidification processing unit can be improved by the quantitative supply unit, and each crushing processing unit is provided with a rotary blade for crushing the waste, Since the crushing capacity can be varied by changing the structure, the structure of the variable crushing capacity can be simplified, and the pipe conveyor is provided in the waste transport path to obtain a dustproof effect. Since the work environment can be improved, a belt conveyor is provided in the waste transport path, and a magnetic separator for removing metal waste in the waste transported on the belt conveyor is provided. Since the solid fuel can be obtained and the dust collecting unit for removing the dust of the waste of each of the crushing processing units is provided, the working environment can be improved, and further the malodor of the molded solidification processing unit Remove Since formed by providing the deodorizing portion, it is possible to improve the working environment.

  Moreover, in the invention according to claim 2, since the storage and mixing unit that stores and mixes several kinds of wastes sent from the respective crushing processing units is provided, the waste is stored by the storage and mixing unit. It is possible to operate the molding solidification processing unit without depending on the processing status of the crushing processing unit, and conversely, the crushing processing unit can be operated without depending on the processing status of the molding solidification processing unit. In the invention according to claim 3, the quality judgment unit for judging the quality of the solid fuel molded and solidified by the molding and solidification processing unit, and the quality judgment from the quality judgment unit Since it has a quality control unit that controls the crushing capacity of each crushing unit based on the data, the mixing ratio of solid fuel can be controlled at any time, and the accuracy of the mixing ratio of several types of waste can be improved. Can be raised and good It can be produced fuel.

1 shows a reference embodiment of the present invention , FIGS. 2 to 4 show an embodiment of the present invention, FIG. 2 shows a first embodiment of the present invention, and FIG. 3 shows a second embodiment of the present invention. example 4 shows Ru third embodiment der embodiment of the present invention.

In the reference embodiment of the present invention shown in FIG. 1, reference numerals 1 and 1 denote a crushing processing unit, and in this case, a crushing processing unit 1 that crushes and discharges plant fiber waste W such as paper and wood waste and waste. A crushing processing unit 1 that crushes and discharges plastic waste W is provided, both of which are provided with an inlet 1b in the upper part of the crushing machine body 1a, and are uniaxial shear type comprising a rotary blade and a fixed blade inside. A crushing mechanism is built in, and is configured to crush waste from the discharge port 1c and drop and discharge, and the crushing capacity of each of the crushing units 1 and 1 can be varied individually. In this case, the crushing capacity is varied by inverter control of the rotational speed of the rotary blade for crushing the waste, and the discharge amount depending on the crushing capacity is varied. Note that the crushing mechanism and crushing capacity of the crushing units 1 and 1 are selected and determined according to the contents of the crushed material W and the like.

  3 is a molding and solidification processing unit. In this case, a screw structure extrusion molding mechanism is built in the machine body 3a, and several types of mixed waste W fed into the inlet 3b is molded and solidified, and discharged from the discharge unit 3c. It has a structure that discharges solid fuel that has been molded and solidified. Other molding solidification processing mechanisms may be applied.

  4 and 4 are belt conveyors, and 5 and 6 are pipe conveyors, which are provided in the transport path R of the waste W. The various kinds of waste W discharged from the crushing processing units 1 and 1 are transferred to the belt conveyor 4. 4 is conveyed to the inlet of the pipe conveyor 5 at a speed variably set by the inverter, and several kinds of waste W are conveyed by the pipe conveyor 5 to the inlet 3b of the molding solidification processing section 3 at a speed variably set by the inverter. The solid fuel M discharged from the discharge unit 3 c of the molding solidification processing unit 3 is transported to the receiving unit 7 by the pipe conveyor 6.

  Reference numeral 8 denotes a magnetic separator, which is formed in a structure for removing metal waste in the waste W conveyed on the belt conveyors 4 and 4.

  Reference numeral 9 denotes a dust collecting unit which is formed in a structure for removing dust from the waste W of each of the crushing processing units 1 and 1.

  Denoted at 10 is a deodorizing part, which is formed in a structure for removing the malodor of the molding solidification processing part 3.

Since this reference embodiment has the above-described configuration, a waste W made of paper and wood chips is introduced into one crushing processing unit 1 and a waste W made of waste plastic is introduced into the other crushing processing unit 1 to obtain a solid fuel. The crushing capacity of each crushing part 1.1 is set by the crushing capacity variable part 2 based on a predetermined blending ratio depending on exothermic calories, etc., and under this set crushing capacity Several types of wastes W are separately crushed and discharged by the crushing units 1 and 1, and several types of mixed waste W fed from the crushing units 1 and 1 are molded and solidified by the molding and solidifying unit 3 Thus, a solid fuel M having a predetermined blending ratio is produced from several types of waste W.

  Therefore, several kinds of waste W are thrown into a plurality of crushing processing units 1 and 1, and the crushing processing capacity of each crushing processing unit 1 and 1 is set by the crushing processing capacity variable unit 2 based on a predetermined blending ratio. Solid fuel M having a predetermined blending ratio can be produced from several types of waste W by crushing and discharging separately by each crushing processing unit 1 and 1, and by forming and solidifying processing by molding and solidifying processing unit 3. Without performing the crushing process as a pre-treatment work, it is possible to produce solid fuel with a specified blending ratio by mixing and solidifying the mixed waste mixed with several types of waste, saving space for the entire facility. It is possible to improve the fuel efficiency.

  In this case, the crushing processing units 1 and 1 are each provided with a rotary blade for crushing the waste W, and the crushing capacity is variable by changing the rotation speed of the rotary blade. The structure of the processing capacity variable unit 2 can be simplified.

  In this case, since the pipe conveyors 5 and 6 are provided in the transport path R of the waste W, a dustproof effect can be obtained and the working environment can be improved. In this case, the waste Since the belt conveyors 4 and 4 are provided in the conveyance path R of W and the magnetic separator 8 for removing the metal waste in the waste W conveyed on the belt conveyors 4 and 4 is provided, a good solid fuel M is obtained. In this case, since the dust collecting part 9 for removing the dust of the waste W of each of the crushing parts 1 and 1 is provided, the working environment can be improved. Since the deodorization part 10 which removes the malodor of the said shaping | molding solidification process part 3 is provided, a working environment can be improved.

FIG. 2 shows a first embodiment of the present invention. In this case, the above-mentioned several types of mixed waste W are supplied to the molding and solidification processing unit 3 at a supply amount suitable for the molding and solidification processing capability of the molding and solidification processing unit 3. A fixed quantity supply unit 11 is provided. In this case, the fixed amount supply unit 11 has a structure in which the supply amount is inverter-controlled with a biaxial screw structure, but a uniaxial screw structure can also be applied.

In the first embodiment, it is possible to obtain the same effect as the above-described reference embodiment , and further, it is possible to improve the solidification processing efficiency of the molding solidification processing section 3 by the quantitative supply section 11.

The second embodiment shown in FIG. 3 shows another example structure. In this case, a storage mixing unit 12 that stores and mixes several kinds of waste W sent from each of the crushing processing units 1 and 1 is provided, and is provided in the transport path R. Pipe conveyors 5a and 5b are arranged. In this case, the storage and mixing unit 12 has a structure having a rotary stirring blade and a supply screw, but a structure having a drum rotating type and other stirring and supply structures can also be applied.

In the second embodiment, the same effects as those in the first embodiment can be obtained, and further, the waste mixing unit 12 can store the waste W, and the crushing processing unit 1. It is possible to operate the molding and solidification processing unit 3 without depending on the processing status, and conversely, the crushing processing units 1 and 1 can be operated without depending on the processing status of the molding and solidification processing unit 3. Can be increased.

The third embodiment shown in FIG. 4 shows another example structure. In this case, a quality determination unit 13 for determining the quality of exothermic calories and the like of the solid fuel M molded and solidified by the molding and solidification processing unit 3, and a quality determination unit Based on the quality judgment data from 13, the quality control part 14 which consists of a microcomputer which controls each crushing processing capability of each said crushing process part 1 * 1 each is provided and comprised.

In this third embodiment, the blending ratio of the solid fuel M can be controlled at any time, the accuracy of the blending ratio of several types of waste W can be increased, and a good solid fuel M can be produced. it can.

  The present invention is not limited to the above-described embodiment, and the number of crushing processing units 1, the crushing processing structure, the crushing processing capacity unit 2, the structure of the molding solidification processing unit 3 and the like are appropriately changed and designed. Is.

  As described above, the intended purpose can be sufficiently achieved.

It is a whole block diagram of a reference form example of the present invention. 1 is an overall configuration system diagram of a first embodiment of the present invention. It is a whole block diagram of the second embodiment of the present invention. It is a whole block diagram of the third embodiment of the present invention.

Explanation of symbols

W Waste R Conveyance path M Solid fuel 1 Crushing processing unit 2 Crushing processing capacity variable unit 3 Molding solidification processing unit 4 Belt conveyor 5 Pipe conveyor 5a Pipe conveyor 5b Pipe conveyor 6 Pipe conveyor 8 Magnetic separator 9 Dust collecting unit 10 Deodorizing unit 11 Quantitative supply unit 12 Storage and mixing unit 13 Quality determination unit 14 Quality control unit

Claims (3)

A solid waste fuel facility for producing a solid fuel having a predetermined blending ratio from several types of wastes, a plurality of crushing processing units for crushing and discharging the above several types of wastes separately, and the respective crushing treatments a crushing capacity varying unit for varying a crushing capacity to each other parts, Ri Do from the mold solidification processing unit for forming solidification several kinds of mixed waste coming fed from respective crushing treatment unit, the molding solidified The processing unit is provided with a quantitative supply unit that supplies the above-mentioned several types of mixed waste in a supply amount suitable for the molding solidification processing capacity of the molding solidification processing unit, and each of the crushing processing units has a rotary blade for crushing the waste. The crushing capacity is variable by changing the number of rotations of the rotary blade, a pipe conveyor is provided in the waste conveyance path, a belt conveyor is provided in the waste conveyance path, and the belt Carry on conveyor A magnetic separator for removing metal debris in the waste to be removed, a dust collecting part for removing dust from the waste of each of the crushing treatment parts, and a deodorization for removing the malodor of the molded solidification treatment part A waste solid fuel conversion facility characterized by comprising a section .   2. The solid waste fueling facility according to claim 1, further comprising a storage mixing unit that stores and mixes several kinds of wastes sent from each of the crushing processing units.   A quality determination unit that determines the quality of the solid fuel that has been molded and solidified by the molding and solidification processing unit, and a quality that controls the crushing capacity of each of the crushing units based on the quality determination data from the quality determination unit. The waste solid fuel conversion facility according to claim 1 or 2, further comprising a control unit.

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