CN116571548A - Efficient extraction process and system for wet garbage organic matters - Google Patents
Efficient extraction process and system for wet garbage organic matters Download PDFInfo
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- CN116571548A CN116571548A CN202310806847.8A CN202310806847A CN116571548A CN 116571548 A CN116571548 A CN 116571548A CN 202310806847 A CN202310806847 A CN 202310806847A CN 116571548 A CN116571548 A CN 116571548A
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- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 60
- 238000000605 extraction Methods 0.000 title claims abstract description 22
- 239000012535 impurity Substances 0.000 claims abstract description 92
- 239000002002 slurry Substances 0.000 claims abstract description 56
- 239000002245 particle Substances 0.000 claims abstract description 51
- 238000004537 pulping Methods 0.000 claims abstract description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000005416 organic matter Substances 0.000 claims abstract description 22
- 239000007787 solid Substances 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 13
- 238000011282 treatment Methods 0.000 claims abstract description 10
- 238000007599 discharging Methods 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims description 62
- 239000004033 plastic Substances 0.000 claims description 16
- 229920003023 plastic Polymers 0.000 claims description 16
- 238000000926 separation method Methods 0.000 claims description 16
- 230000005484 gravity Effects 0.000 claims description 12
- 241000219112 Cucumis Species 0.000 claims description 8
- 235000015510 Cucumis melo subsp melo Nutrition 0.000 claims description 8
- 235000013399 edible fruits Nutrition 0.000 claims description 8
- 235000013311 vegetables Nutrition 0.000 claims description 8
- 239000010794 food waste Substances 0.000 claims description 7
- 239000000835 fiber Substances 0.000 claims description 6
- 238000005086 pumping Methods 0.000 claims description 6
- FJJCIZWZNKZHII-UHFFFAOYSA-N [4,6-bis(cyanoamino)-1,3,5-triazin-2-yl]cyanamide Chemical compound N#CNC1=NC(NC#N)=NC(NC#N)=N1 FJJCIZWZNKZHII-UHFFFAOYSA-N 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 5
- 239000010909 process residue Substances 0.000 claims description 5
- 241001391944 Commicarpus scandens Species 0.000 claims description 4
- 230000005307 ferromagnetism Effects 0.000 claims description 4
- 239000012634 fragment Substances 0.000 claims description 4
- 239000011440 grout Substances 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 235000013372 meat Nutrition 0.000 claims description 2
- 239000004576 sand Substances 0.000 abstract description 6
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000010790 dilution Methods 0.000 abstract description 2
- 239000012895 dilution Substances 0.000 abstract description 2
- 239000002893 slag Substances 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 7
- 235000013527 bean curd Nutrition 0.000 description 3
- 230000005294 ferromagnetic effect Effects 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000000855 fermentation Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000011343 solid material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920002457 flexible plastic Polymers 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/30—Destroying solid waste or transforming solid waste into something useful or harmless involving mechanical treatment
- B09B3/35—Shredding, crushing or cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/30—Destroying solid waste or transforming solid waste into something useful or harmless involving mechanical treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/30—Destroying solid waste or transforming solid waste into something useful or harmless involving mechanical treatment
- B09B3/38—Stirring or kneading
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/60—Biochemical treatment, e.g. by using enzymes
- B09B3/65—Anaerobic treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B2101/00—Type of solid waste
- B09B2101/70—Kitchen refuse; Food waste
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a wet garbage organic matter high-efficiency extraction process and a system thereof, wherein wet garbage is subjected to a series of treatments such as collection, differential particle size crushing, sorting, pulping, impurity removal and the like, the particle size difference of organic matters and inorganic matters is formed in the process of coarse crushing solid matters through a transverse flow crusher, the larger the particle size difference is, the more powerful the effective sorting of a subsequent sorting machine is, the left organic matters are flexibly added with dilution water to adjust the solid content of the slurry through the slurry with uniform particle size by a pulping machine, and heavy matter sand impurities and fine slag are removed by adopting high-efficiency sand removal equipment after the slurry is mixed, so that the obtained organic matters are extracted and recovered efficiently under the process flow of gradually discharging inorganic impurities, and the problems of resource waste and pipeline blockage are avoided.
Description
Technical Field
The invention belongs to the field of garbage treatment, and relates to a process and a system for efficiently extracting wet garbage organic matters.
Background
The wet garbage comprises kitchen garbage, household kitchen garbage and market kitchen garbage, and the main components of the wet garbage are food processing wastes, food residues, vegetable leaves, melon and fruit shells, rotten meat and the like, and the wet garbage has the characteristics of complex components, uneven material length, high water content, high organic matter content, easy decay and the like.
On the basis of adhering to the principle of sustainable development strategy and the principle of reduction, the common wet garbage treatment process is to produce methane by wet anaerobic fermentation. The wet garbage is firstly subjected to coarse crushing, impurity sorting and pulping pretreatment processes, and impurities, grease and the like in the garbage are separated out to meet anaerobic fermentation feeding. The main purpose of coarse crushing is to reduce the particle size of materials so as to facilitate the stable operation of impurity separation equipment, and the separation equipment separates inorganic impurities in garbage. In the operation process, the particle sizes of the coarse crushed garbage are basically consistent, most of organic matters such as vegetables, melons and fruits in wet garbage are separated as sundries in the separation process, the organic matters are lost greatly, the waste of resources is caused, and the pipeline is easy to block.
The field needs a wet garbage organic matter high-efficiency extraction process with small organic matter loss and small equipment loss and a system thereof.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a high-efficiency extraction process and a system for organic matters of wet garbage.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the high-efficiency wet garbage organic matter extraction system comprises a receiving hopper, a sorting machine, a pulping machine, a impurity removing machine, a liquid storage tank and a cross-flow crusher, wherein the liquid storage tank comprises a pulping slurry liquid storage tank, an impurity removing slurry liquid storage tank and a water filtering liquid storage tank; the lower end of the receiving hopper is provided with free phase sieve holes and a screw conveyor, the free phase sieve holes are communicated with a filtered water storage tank through a pipeline, and the screw conveyor is connected with a feed inlet of the crossflow crusher through a pipeline; the output of crosscut flow breaker is connected to the feed end of sorter, the sorter is provided with shaftless screw conveyer, the discharge end of sorter includes organic matter bin outlet and impurity bin outlet, the organic matter bin outlet is connected to the pulping machine, pulping machine bottom is provided with the grout outlet, the grout outlet lower extreme has accepted pulping thick liquid reservoir through the pipeline, pulping thick liquid reservoir bottom pass through the pipeline connect in the entrance point of edulcoration machine, the entrance point of edulcoration machine still is connected the bottom of drainage reservoir through the pipeline, the exit end of edulcoration machine is connected to edulcoration thick liquid reservoir.
Preferably, a mechanical stirrer is arranged in the liquid storage tank, and a liquid level meter is arranged outside the liquid storage tank.
Preferably, the connecting pipelines of the impurity removing machine, the water filtering liquid storage tank and the pulping slurry liquid storage tank are respectively provided with a liquid conveying pump and a pressure gauge, and the output end of the liquid conveying pump is provided with a check valve.
Preferably, the impurity discharge port of the separator is provided with a first impurity screw conveyor, the pulping machine is provided with a second impurity screw conveyor, and the impurity removing machine is provided with a third impurity screw conveyor.
The invention also provides a use process of the efficient wet garbage organic matter extraction system, which comprises the following steps:
s1, discharging wet garbage into a receiving hopper through collection, filtering free water in the garbage through a free phase sieve hole, collecting the free water through a pipeline, automatically flowing to a filtered water storage tank for temporary storage, and conveying solid matters into a cross-flow crusher through a screw conveyor;
s2, discharging gravity from a discharge port into a separator after the solid matters are crushed by the cross-flow crusher, and forming crushed grain size difference between the organic matters and the inorganic matters in the coarse crushing process.
S3, the separator performs particle size separation on the collected solid matters subjected to particle size crushing, organic matters and inorganic matters subjected to particle size difference separation are subjected to particle size separation in the separator, and inorganic impurities are collected by a shaftless screw conveyor and sent to a first impurity screw conveyor from the outside of an impurity discharge port to be discharged; the organic matters fall into the shaftless screw conveyor along with gravity and are conveyed into the pulping machine through the organic matter discharge port;
s4, preparing organic matters into slurry with uniform particle size by the pulping machine, temporarily storing the slurry by gravity falling into a pulping slurry liquid storage tank, and collecting and sending residues which are not easy to break by a screw conveyor after pushing out the residues;
s5, pumping the slurry obtained after pulping in the S4 into a impurity removing machine to further remove residual impurities, and pushing out the separated impurities to be collected and sent out by a screw conveyor; the left organic slurry automatically flows into a slurry storage tank for temporary storage;
s6, pumping the liquid in the pulping slurry liquid storage tank and the filtered water liquid storage tank into the impurity removing machine by the liquid delivery pump, mixing the pulping slurry with filtered water, and further carrying out impurity removing treatment on the pulp by the impurity removing machine.
Preferably, the wet garbage is at least one of kitchen garbage, household kitchen garbage and market kitchen garbage, and comprises one or more of food processing waste, food residues, vegetable leaves, melon and fruit peel shells and preserved beancurd, and the moisture content of the wet garbage is 75% -80%.
Preferably, the particle size of the discharged organic matters of the cross flow crusher in the step S2 is 20-60 mm; the particle size of the discharged inorganic matters is 60-80 mm.
Preferably, the discharging of the separator in S3 is divided into an organic matter and an inorganic matter, and the inorganic matter is at least one of plastic and ferromagnetic.
Preferably, the slurry prepared by the pulping machine in the step S4 has an average particle size of 0.5-10 mm, and the residue is plastic residue.
Preferably, the organic slurry left by the impurity removing machine in the step S5 has an average particle size of 0.5-5 mm, and the impurities are plastic fiber fragments.
The invention has the beneficial effects that:
the first and the main crushing parts of the crossflow crusher adopt flexible chains, the flexible chains rotate at high speed under the action of motor drive, organic brittle substances are quickly beaten and crushed into small granular substances by the chains, flexible plastic impurities are crushed into large granular substances under the action of friction force along with the movement of the chains, and the chains select to avoid after touching hard ferromagnetic impurities, so that the crushing degree can be adjusted according to different control of the opening degree of a discharge hole according to the components of the materials in wet garbage.
Secondly, organic matters such as melons, fruits, vegetables, food residues and the like are crushed into small granular matters after being crushed by the equipment, inorganic impurities such as plastics and ferromagnetism are crushed into large granular matters, and further the crushed materials are formed and the particle size difference is effectively used for effective separation of the separator.
The third and the sorting equipment are of an upper layer structure and a lower layer structure, a screen mesh with holes is arranged in the middle of the sorting equipment, and the pore diameter of the screen mesh is determined according to the diameters of the crushed inorganic impurities and the crushed organic matters. In the spiral pushing of the crushed materials, plastics and ferromagnetic impurities larger than the sieve holes are pushed out on the upper screen mesh, and organic matters such as melons, fruits, vegetables and food residues smaller than the sieve holes fall to the lower layer to collect the spiral, so that the efficient recovery of the organic matters is realized.
Fourthly, organic matters are made into slurry with uniform particle size through a pulping machine, dilution water can be flexibly added to adjust the solid content of the slurry, high-efficiency sand removal equipment and a impurity removal machine are adopted to remove heavy sand impurities and fine slag after the slurry is mixed, and finally the slurry meets anaerobic digestion feeding conditions, so that the high-efficiency recovery and recycling of organic matters of a system are realized.
Drawings
FIG. 1 is an overall view of a wet waste organic matter extraction device;
fig. 2 is a process flow diagram of the operation of the apparatus.
Reference numerals: 1. a receiving hopper; 101. free phase mesh; 102. a screw conveyor; 2. a crossflow breaker; 3. a separator; 301. an organic matter discharge port; 302. an impurity discharge port; 4. a pulping machine; 401. a slurry outlet; 5. a impurity removing machine; 6. a pulping slurry storage tank; 7. a slurry storage tank for removing impurities; 8. a filtered water reservoir; 9. a mechanical stirrer; 10. a shaftless screw conveyor; 11. a liquid transfer pump; 12. a liquid level gauge; 13. a pressure gauge; 14. a check valve 15, a first impurity screw conveyor; 16. a second impurity screw conveyor; 17. and a third impurity screw conveyor.
The specific embodiment is as follows:
the invention is further described by the following specific examples, which are not intended to limit the scope of the invention.
Example 1:
s1, wet garbage with the water content of 80% is derived from the mixing of kitchen garbage, household kitchen garbage and market kitchen garbage, and comprises food processing waste, food residues, vegetable leaves, melon and fruit shells, preserved beancurd and the like, free water in garbage is filtered out through a free phase sieve mesh 101 and then is collected through a pipeline to flow into a filtered water storage tank 8 for temporary storage through collection and dumping in a receiving hopper 1, solid materials in the wet garbage are sent into a cross-flow crusher 2 through a screw conveyor 102 for coarse crushing, and the particle size of the materials is reduced so as to facilitate the stable operation of impurity sorting equipment;
s2, discharging gravity from a discharge hole into a separator 3 after the solid matters are crushed by the transverse flow crusher 2 in a particle size manner, wherein the crushed particle size difference is formed between the organic matters and the inorganic matters in the coarse crushing process, and the particle size of the organic matters is 60mm; the particle size of discharged inorganic matters is 80mm.
S3, the separator 3 performs particle size separation on the collected solid matters subjected to particle size crushing, the separator 3 performs particle size difference separation on the organic matters and the inorganic matters subjected to particle size crushing, the inorganic impurity is a mixture of plastics and ferromagnetism, and the inorganic impurities after separation are collected by the shaftless screw conveyor 10 and sent to the first impurity screw conveyor 15 from the outside of the impurity discharge port 302 to be discharged; the separated organic matters fall into the shaftless screw conveyor 10 by gravity and are conveyed into the pulping machine 4 through the organic matter discharge port 301;
s4, the pulping machine 4 prepares organic matters into slurry with uniform particle size, the average particle size is 5mm, the slurry falls into a pulping slurry storage tank 6 by gravity for temporary storage, and after plastic fragments which are not easy to break are pushed out, the second impurity screw conveyor 16 collects and sends out;
s5, pumping the slurry obtained after pulping in S4 from a pulping slurry storage tank 6 to a impurity remover 5 through a liquid conveying pump 11 to further remove heavy sand residual impurities, separating out impurity plastic fiber residues, pushing out and collecting and sending the impurity plastic fiber residues by a third impurity screw conveyor 17; the organic slurry with the average particle diameter of 3mm is automatically flowed into a slurry storage tank 7 for temporary storage;
s6, a liquid conveying pump 11 pumps the liquid in a pulping slurry liquid storage tank 6 and a filtered water liquid storage tank 8 into the impurity remover 5, the pulped slurry and filtered water are mixed and further subjected to impurity removal treatment of the impurity remover, a pressure gauge 13 and a check valve 14 arranged on a pipeline monitor the liquid to prevent the liquid from flowing backward, a liquid level meter 12 on the liquid storage tank indicates that the liquid level in the tank can be flexibly regulated and controlled, and the pulped slurry and filtered water are mixed and further subjected to impurity removal treatment of the impurity remover 5 to achieve the organic matter extraction rate of 92%.
Example 2:
s1, wet garbage with the water content of 75% is derived from the mixing of kitchen garbage, household kitchen garbage and market kitchen garbage, and comprises food processing waste, food residues, vegetable leaves, melon and fruit shells, preserved beancurd and the like, free water in garbage is filtered out through a free phase sieve mesh 101 and then is collected through a pipeline to flow into a filtered water storage tank 8 for temporary storage through collection and dumping in a receiving hopper 1, solid materials in the wet garbage are sent into a cross-flow crusher 2 through a screw conveyor 102 for coarse crushing, and the particle size of the materials is reduced so as to facilitate the stable operation of impurity sorting equipment;
s2, discharging gravity from a discharge hole into a separator 3 after the solid matters are crushed by the transverse flow crusher 2 in a particle size manner, wherein the crushed particle size difference is formed between the organic matters and the inorganic matters in the coarse crushing process, and the particle size of the organic matters is 40mm; the particle size of discharged inorganic matters is 65mm;
s3, the separator 3 performs particle size separation on the collected solid matters subjected to particle size crushing, the separator 3 performs particle size difference separation on the organic matters and the inorganic matters subjected to particle size crushing, the inorganic impurity is a mixture of plastics and ferromagnetism, and the inorganic impurities after separation are collected by the shaftless screw conveyor 10 and sent to the first impurity screw conveyor 15 from the outside of the impurity discharge port 302 to be discharged; the separated organic matters fall into the shaftless screw conveyor 10 by gravity and are conveyed into the pulping machine 4 through the organic matter discharge port 301;
s4, the pulping machine 4 prepares organic matters into slurry with uniform particle size, the average particle size is 8mm, the slurry falls into a pulping slurry storage tank 6 by gravity for temporary storage, and after plastic fragments which are not easy to break are pushed out, the second impurity screw conveyor 16 collects and sends out;
s5, pumping the slurry obtained after pulping in S4 from a pulping slurry storage tank 6 to a impurity remover 5 through a liquid conveying pump 11 to further remove heavy sand residual impurities, separating out impurity plastic fiber residues, pushing out and collecting and sending the impurity plastic fiber residues by a third impurity screw conveyor 17; the organic slurry with the average particle diameter of 5mm is automatically flowed into a slurry storage tank 7 for temporary storage;
s6, a liquid conveying pump 11 pumps the liquid in a pulping slurry liquid storage tank 6 and a filtered water liquid storage tank 8 into the impurity remover 5, the pulped slurry and filtered water are mixed and further subjected to impurity removal treatment of the impurity remover, a pressure gauge 13 and a check valve 14 arranged on a pipeline monitor the liquid to prevent the liquid from flowing backward, a liquid level meter 12 on the liquid storage tank indicates that the liquid level in the tank can be flexibly regulated and controlled, and the pulped slurry and filtered water are mixed and further subjected to impurity removal treatment of the impurity remover 5, so that the organic matter extraction rate of 94% can be achieved.
In summary, the extraction recovery rate of the wet garbage organic matters can reach over 92 percent, the cross flow crusher in the treatment system forms the particle size difference between the organic matters and the inorganic matters in the coarse crushing process of the solid matters, and the larger the difference is, the better the extraction effect of the obtained organic matters is.
Claims (10)
1. The efficient wet garbage organic matter extraction system comprises a receiving hopper, a sorting machine, a pulping machine, a impurity removing machine and a liquid storage tank, and is characterized by also comprising a cross-flow crusher, wherein the liquid storage tank comprises a pulping slurry liquid storage tank, an impurity removing slurry liquid storage tank and a water filtering liquid storage tank; the lower end of the receiving hopper is provided with free phase sieve holes and a screw conveyor, the free phase sieve holes are communicated with a filtered water storage tank through a pipeline, and the screw conveyor is connected with a feed inlet of the crossflow crusher through a pipeline; the output of crosscut flow breaker is connected to the feed end of sorter, the sorter is provided with shaftless screw conveyer, the discharge end of sorter includes organic matter bin outlet and impurity bin outlet, the organic matter bin outlet is connected to the pulping machine, pulping machine bottom is provided with the grout outlet, the grout outlet lower extreme has accepted pulping thick liquid reservoir through the pipeline, pulping thick liquid reservoir bottom pass through the pipeline connect in the entrance point of edulcoration machine, the entrance point of edulcoration machine still is connected the bottom of drainage reservoir through the pipeline, the exit end of edulcoration machine is connected to edulcoration thick liquid reservoir.
2. The efficient wet garbage organic extraction system according to claim 1, wherein a mechanical stirrer is arranged in the liquid storage tank, and a liquid level meter is arranged outside the liquid storage tank.
3. The efficient wet garbage organic matter extraction system according to claim 1, wherein a liquid delivery pump and a pressure gauge are respectively arranged on connecting pipelines of the impurity removing machine, the filtered water liquid storage tank and the pulping slurry liquid storage tank, and a check valve is arranged at an output end of the liquid delivery pump.
4. The efficient wet garbage organic extraction system according to claim 1, wherein the impurity discharge port of the separator is provided with a first impurity screw conveyor, the pulping machine is provided with a second impurity screw conveyor, and the impurity removing machine is provided with a third impurity screw conveyor.
5. The efficient extraction process of the wet garbage organic matters is characterized by comprising the following steps of:
s1, discharging wet garbage into a receiving hopper through collection, filtering free water in the garbage through a free phase sieve hole, collecting the free water through a pipeline, automatically flowing to a filtered water storage tank for temporary storage, and conveying solid matters into a cross-flow crusher through a screw conveyor;
s2, discharging gravity from a discharge port into a separator after the solid matters are crushed by the cross-flow crusher, and forming crushed grain size difference between the organic matters and the inorganic matters in the coarse crushing process;
s3, the separator performs particle size separation on the collected solid matters subjected to particle size crushing, organic matters and inorganic matters subjected to particle size difference separation are subjected to particle size separation in the separator, and inorganic impurities are collected by a shaftless screw conveyor and sent to a first impurity screw conveyor from the outside of an impurity discharge port to be discharged; the organic matters fall into the shaftless screw conveyor along with gravity and are conveyed into the pulping machine through the organic matter discharge port;
s4, preparing organic matters into slurry with uniform particle size by the pulping machine, temporarily storing the slurry by gravity falling into a pulping slurry liquid storage tank, and collecting and sending residues which are not easy to break by a screw conveyor after pushing out the residues;
s5, pumping the slurry obtained after pulping in the S4 into a impurity removing machine to further remove residual impurities, and pushing out the separated impurities to be collected and sent out by a screw conveyor; the left organic slurry automatically flows into a slurry storage tank for temporary storage;
s6, pumping the liquid in the pulping slurry liquid storage tank and the filtered water liquid storage tank into the impurity removing machine by the liquid delivery pump, mixing the pulping slurry with filtered water, and further carrying out impurity removing treatment on the pulp by the impurity removing machine.
6. The efficient extraction process of the organic matters of the wet garbage, which is disclosed in claim 5, is characterized in that the wet garbage is at least one of kitchen garbage, household kitchen garbage and market kitchen garbage and comprises one or more of food processing wastes, food residues, vegetable leaves, melon and fruit shells and rotten meat, and the moisture content of the wet garbage is 75% -80%.
7. The efficient extraction process of wet garbage organic matters according to claim 5, wherein the particle size of discharged organic matters of the cross-flow crusher in the step S2 is 20-60 mm; the particle size of the discharged inorganic matters is 60-80 mm.
8. The efficient wet garbage organic extraction process according to claim 5, wherein the discharging of the separator in S3 is divided into organic matters and inorganic matters, and the inorganic matters are at least one of plastics and ferromagnetism.
9. The efficient extraction process of wet garbage organic matters according to claim 5, wherein the slurry prepared by the pulping machine in the step S4 has an average particle size of 0.5-10 mm, and the residue is plastic residue.
10. The efficient wet garbage organic matter extraction process according to claim 5, wherein the organic slurry left by the impurity removing machine in the step S5 is 0.5-5 mm in average particle size, and the impurities are plastic fiber fragments.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310806847.8A CN116571548A (en) | 2023-07-03 | 2023-07-03 | Efficient extraction process and system for wet garbage organic matters |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310806847.8A CN116571548A (en) | 2023-07-03 | 2023-07-03 | Efficient extraction process and system for wet garbage organic matters |
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| CN202310806847.8A Pending CN116571548A (en) | 2023-07-03 | 2023-07-03 | Efficient extraction process and system for wet garbage organic matters |
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