CN110899310A - Perishable garbage pretreatment device and perishable garbage pretreatment method - Google Patents
Perishable garbage pretreatment device and perishable garbage pretreatment method Download PDFInfo
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- CN110899310A CN110899310A CN201911420113.6A CN201911420113A CN110899310A CN 110899310 A CN110899310 A CN 110899310A CN 201911420113 A CN201911420113 A CN 201911420113A CN 110899310 A CN110899310 A CN 110899310A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B2101/00—Type of solid waste
- B09B2101/02—Gases or liquids enclosed in discarded articles, e.g. aerosol cans or cooling systems of refrigerators
Abstract
The invention relates to a perishable garbage pretreatment device, which comprises a filtrate collecting tank, a slag discharging mechanism, a homogeneous buffer tank, a material receiving system, a sorting machine, a crushing and pulping system, a slurry tank, a sediment and floating material removing system, an intermediate tank, an oil-water separating system and a grease intermediate tank which are sequentially connected together, the inlet end of the homogeneous buffer pool is connected with the water phase substance outlet of the oil-water separation system, the inlet end of the grease intermediate pool is connected with the oil phase substance outlet of the oil-water separation system, the filtrate collecting tank is used for receiving liquid flowing out of the material receiving system, the output end of the filtrate collecting tank is connected with the inlet end of the middle tank, the slag hole of the sorting machine, the slag hole of the crushing and pulping system, the slag hole of the sediment and floating material removing system are connected with the inlet end of the slag discharging mechanism. The invention also relates to a method for pre-treating perishable waste by the pre-treating device for perishable waste.
Description
Technical Field
The invention relates to the technical field of garbage treatment, in particular to a perishable garbage pretreatment method of a perishable garbage pretreatment device.
Background
The garbage disposal mode comprises the following steps:
and (4) classifying and recycling.
Burying: the landfill treatment needs a large amount of land. Meanwhile, harmful ingredients in the garbage can cause serious pollution to the atmosphere, soil and water sources, so that the ecological environment is damaged, and the human health is seriously harmed.
Composting: the compost treatment is used for sorting and classifying the garbage, and the organic content of the garbage is required to be higher. Moreover, the composting treatment cannot be reduced, and a large amount of land still needs to be occupied.
And (3) incineration: the essence of incineration is to oxidize the organic waste into inert gases and inorganic incombustibles at high temperature and under sufficient oxygen supply to form a stable solid residue. Firstly, the garbage is put into an incinerator for combustion, heat energy is released, and then waste heat is recovered to supply heat or generate electricity. The flue gas is discharged after being purified, and a small amount of residual residues are discharged, buried or used for other purposes. Its advantages are high volume-reducing power, thorough high-temp harmlessness, less possessed ground area, less influence to ambient environment and recovery of heat energy. Therefore, incineration of garbage is an effective treatment method for harmlessness, reduction and recycling.
With the increasing environmental protection requirements in recent years, the classification of garbage is gradually promoted, the comprehensive disposal and utilization of kitchen garbage (also called perishable garbage) is no longer limited to landfill and incineration technology treatment, and a treatment mode for manufacturing industrial diesel is designed. The kitchen waste is required to be pretreated when being used for preparing the biodiesel.
Disclosure of Invention
The invention aims to provide a perishable garbage pretreatment method of a perishable garbage pretreatment device, which is used for pretreatment of kitchen garbage.
The technical problem is solved by the following technical scheme: a perishable garbage pretreatment device, which comprises a filtrate collecting tank, a slag discharging mechanism, a homogeneous buffer tank, a material receiving system, a sorting machine, a crushing and pulping system, a slurry tank, a sediment and floating material removing system, an intermediate tank, an oil-water separating system and an oil intermediate tank which are connected together in sequence, the inlet end of the homogeneous buffer pool is connected with the water phase substance outlet of the oil-water separation system, the inlet end of the grease intermediate pool is connected with the oil phase substance outlet of the oil-water separation system, the filtrate collecting tank is used for receiving liquid flowing out of the material receiving system, the output end of the filtrate collecting tank is connected with the inlet end of the middle tank, the slag hole of the sorting machine, the slag hole of the crushing and pulping system, the slag hole of the sediment and floating material removing system are connected with the inlet end of the slag discharging mechanism.
The invention also comprises a reuse water tank, the oil-water separation system is also provided with an oil-water separation system part water outlet, the water outlet of the grease intermediate tank and the oil-water separation system part water outlet are connected with the inlet end of the reuse water tank, and the outlet end of the reuse water tank is connected with the inlet end of the homogeneous buffer tank and the inlet end of the crushing and pulping system. No additional water entry from the non-waste is required.
Preferably, the oil-water separation system and the filtrate collecting tank are both provided with steam inlets.
Preferably, the material receiving system comprises a material receiving hopper and a spiral conveyor, the spiral conveyor is obliquely arranged in a mode that an inlet end is low and an outlet end is high, the inlet end of the spiral conveyor is connected with the outlet end of the material receiving hopper, the outlet end of the spiral conveyor is connected with the inlet end of the sorting machine, the filtrate collecting pool is located under the spiral conveyor, and a plurality of water filtering holes are formed in the bottom wall of the shell of the spiral conveyor. The conveying method can reduce the content of liquid organic matters in the kitchen waste conveyed to the sorting machine, and can convey the kitchen waste to the sorting machine more uniformly. Through set up the waterlogging caused by excessive rainfall sieve mesh in screw conveyer bottom, kitchen garbage trip leachate can drop out more conveniently under the rotatory extrusion of helical blade, and it is big to guarantee the waterlogging caused by excessive rainfall volume, does not have the jam.
Preferably, the inlet end of the receiving hopper is provided with a top cover which is opened and closed by hydraulic drive. The top cover is arranged, so that the receiving hopper can be covered when garbage is not loaded. Hydraulic drive saves labor.
Preferably, the upper end of the receiving hopper is also provided with an exhaust port, and the exhaust port is connected with a deodorization system. When in use, the interior of the receiving hopper is in a micro negative pressure state for a long time in the environment of the air suction system of the deodorization system, thereby more effectively preventing the odor from flowing out to pollute the environment.
As preferred, the sorting machine includes the shell, be equipped with the sieve in the shell, the sieve will the shell is split into letter sorting room and is received the material room, the bottom of receiving the material room is equipped with letter sorting machine portion discharge gate, letter sorting machine portion discharge gate with broken slurrying system's feed inlet links together, the one end of letter sorting room along the horizontal direction is equipped with letter sorting machine portion feed inlet, the other end is equipped with letter sorting machine portion slag notch, the mode slope that the one end of sieve is high, the one end that is located letter sorting machine portion slag notch is low in the one end that is located letter sorting machine portion feed inlet, the upper surface of sieve is the arc surface, be equipped with the balance staff in the letter sorting room, be connected with a plurality of boards hammers along balance staff.
Preferably, be equipped with a plurality of pendulum shaft portion cutting edges that extend the axial distribution along pendulum shaft circumference on the terminal surface that the pendulum shaft one end was kept away from to the board hammer, be equipped with a plurality of sieve portion cutting edges that extend the axial distribution along pendulum shaft circumference on the upper surface of sieve, pendulum shaft portion cutting edge with sieve portion cutting edge interval sets up, and the interval distance between adjacent pendulum shaft portion cutting edge and the sieve portion cutting edge is below the aperture of sieve mesh, distance between the upper surface of board hammer and sieve is below the aperture of sieve mesh. The separation efficiency can be improved.
Preferably, the sorting machine further comprises an exhaust fan, wherein an inlet end of the blower is provided with an air suction cover positioned in the material receiving chamber, and an opening of the air suction cover faces downwards. Can make and receive the indoor negative pressure that produces of material, the material of being convenient for gets into, has passed through sorting machine efficiency.
Preferably, the pendulum shaft is arranged in an inclined manner, the inclined direction of the pendulum shaft is the same as the inclined direction of the sieve plate, and the pendulum shaft is coaxial with the arc on which the upper surface of the sieve plate is located. The crushing and sorting effect is good.
Preferably, the plate hammer is provided with a resistance reducing hole which penetrates through the plate hammer along the circumferential direction of the swing shaft; and the projection of the resistance reducing hole on one plate hammer towards the other plate hammer along the circumferential direction of the pendulum shaft is completely staggered with the resistance reducing hole on the other plate hammer. The crushing effect can be ensured, the crushing time is labor-saving, and the phenomenon of blocking is not easy to generate.
A perishable waste pretreatment method is characterized in that,
firstly, kitchen waste is discharged into a receiving hopper of a receiving system, the kitchen waste is conveyed to a sorting machine through a screw conveyor capable of draining water at the bottom of the receiving hopper, liquid in the kitchen waste flows into a filtrate collecting pool, and the liquid in the filtrate collecting pool is conveyed into an intermediate pool; the conveying method can reduce the content of liquid organic matters in the kitchen waste conveyed to the sorting machine, and can convey the kitchen waste to the sorting machine more uniformly. By arranging the draining sieve holes at the bottom of the spiral conveyor, kitchen waste leachate can be drained more conveniently under the rotating extrusion of the spiral blades, and the large draining amount and no blockage are ensured;
secondly, the input kitchen waste is processed through a sorting machine, organic materials wrapped in plastic bags in the kitchen waste are scattered and separated, meanwhile, massive organic materials such as vegetable leaves are also torn and scattered, organic matters form the kitchen waste with the particle size of below 60mm and are output to a crushing and pulping system, and sundries with the particle size of above 60mm are output from a slag outlet of a sorting machine part of the sorting machine;
thirdly, further crushing the kitchen waste through a crushing and pulping system, discharging hard substance sundries from a slag outlet, pulping the materials to form organic coarse slurry, and conveying the organic coarse slurry to a sediment and floating substance removal system after the organic coarse slurry enters a slurry tank;
fourthly, removing the sediment and the floating substances in the organic coarse slurry by the sediment and floating substance removing system and discharging the organic coarse slurry from a slag outlet of the sediment and floating substance removing system, so as to form organic fine slurry, outputting the organic fine slurry to an intermediate pool and then conveying the organic fine slurry to an oil-water separation system;
and fifthly, separating out a water phase substance formed by mixing an organic solid phase and a water phase in the organic fine slurry by the oil-water separation system, conveying the water phase substance to the homogenization buffer tank, conveying the water phase substance to the anaerobic fermentation system for anaerobic fermentation, separating out an oil phase substance, conveying the oil phase substance to the grease intermediate tank, and conveying the oil phase substance to the biodiesel pretreatment system.
Preferably, the slag discharged by the sorting machine, the crushing and pulping system and the sediment and floating material removing system is conveyed away by the same slag discharging mechanism.
The invention also comprises a reuse water tank, wherein the water phase substances separated by the oil-water separation system are also conveyed to the reuse water tank, the water discharged by the grease intermediate tank is input into the reuse water tank, the water required to be added when the crushing and pulping system is crushed is taken from the reuse water tank, and the surplus water after the crushing and pulping system is consumed in the reuse water tank is conveyed into the homogeneous buffer tank.
The invention has the following advantages: the adaptability is strong, various kitchen wastes generated due to the difference of food culture in south and north can be processed, the materials received by the system can be ensured to enter and come out, and the phenomenon of blockage is avoided; through step-by-step reduction treatment, various non-nutritive impurities are completely removed, the operation safety of subsequent process equipment is ensured, the difficulty of subsequent process treatment is reduced, and the system runs more smoothly without blockage; centralized continuous treatment; the resource utilization rate is high, the oil extraction rate is high, and impurities are separated cleanly and cleanly.
Drawings
FIG. 1 is a process flow diagram of the present invention.
Fig. 2 is a schematic diagram of a receiving system and a sorting machine.
Fig. 3 is an enlarged schematic view of the sorter.
Fig. 4 is a schematic view of the sorter in cross-section in a direction perpendicular to the swing axis.
In the figure: a filtrate collecting pool 1, a slag discharging mechanism 2, a homogeneous buffer pool 3, a material receiving system 4, a sorting machine 5, a crushing and pulping system 6, a slurry pool 7, a sediment and floating material removing system 8, a middle pool 9, an oil-water separating system 10, a grease middle pool 11, a sorting machine slag outlet 12, a reuse water pool 13, a first steam inlet 14, a second steam inlet 15, a material receiving hopper 16, a spiral conveyor 17, a top cover 18, an exhaust port 19, a sorting machine inlet 20, a shell 21 of the spiral conveyor, a sorting machine shell 22, a sieve plate 23, a sorting chamber 24, a material receiving chamber 25, a sorting machine outlet 26, a swing shaft 27, a plate hammer 28, a swing shaft cutting edge 29, a sieve plate cutting edge 30, a spacing distance L1 between adjacent swing shaft cutting edges and sieve plate cutting edges, a sieve hole 31, a distance L2 between the plate hammer and the upper surface of the sieve plate, an exhaust fan 32, an exhaust hood 33, a crushing and pulping system 6, Resistance reducing hole 34 and hydraulic pump 35.
Detailed Description
The invention is further described with reference to the following figures and examples.
Referring to fig. 1, a perishable garbage pretreatment device comprises a filtrate collecting tank 1, a slag discharging mechanism 2, a homogenizing buffer tank 3, a material receiving system 4, a sorting machine 5, a crushing and pulping system 6, a slurry tank 7, a sediment and floating material removing system 8, an intermediate tank 9, an oil-water separation system 10 and a grease intermediate tank 11 which are sequentially connected together. The inlet end of the homogeneous buffer pool is connected with the water phase substance outlet of the oil-water separation system. The inlet end of the grease intermediate pool is connected with the oil phase substance outlet of the oil-water separation system. The filtrating collecting pit is used for receiving the liquid that connects the material system to flow, and the output of filtrating collecting pit is in the same place with the entrance point of middle pond connection, and the slag notch of sorter portion slag notch 12, broken slurrying system's slag notch and precipitate and floater get rid of the slag notch of system all are in the same place with the entrance point of mechanism of slagging tap promptly of sorting machine. The invention also includes a reuse tank 13. The oil-water separation system is also provided with an oil-water separation system water outlet. The water outlet of the grease intermediate pool and the water outlet of the oil-water separation system part are connected with the inlet end of the reuse water pool, and the outlet end of the reuse water pool is connected with the inlet end of the homogeneous buffer pool and the inlet end of the crushing and pulping system. The oil-water separation system is provided with a first steam input port 14 and a second steam input port 15, and steam is input when the oil-water separation system is used.
Referring to fig. 2, 3 and 4, the receiving system includes a receiving hopper 16 and a screw conveyor 17. The inlet end of the receiving hopper is provided with a top cover 18 which is opened and closed by hydraulic drive. The upper end of the receiving hopper is also provided with an exhaust port 19. The exhaust hole is connected with the deodorization system when in use. Under the environment of an air suction system of a deodorization system, the interior of the receiving hopper is kept in a micro negative pressure state for a long time, and odor is organically collected by the air suction system and is safely discharged after deodorization treatment. The screw conveyor is arranged obliquely with a lower inlet end and a higher outlet end. The inlet end of the screw conveyer is connected with the outlet end of the receiving hopper. The outlet end of the screw conveyor is connected with the inlet end of the sorting machine, namely the feed inlet 20 of the sorting machine part. The screw conveyor is driven by a hydraulic pump 35. The filtrate collecting tank is positioned right below the screw conveyor. The bottom wall of the shell 21 of the screw conveyor is provided with a plurality of water filtering holes. The inclination angle of the screw conveyor was 20 degrees.
The sorter includes a sorter housing 22. A sieve plate 23 is arranged in the shell of the sorting machine. The screen panels divide the sorter housing into a sorting compartment 24 and a receiving compartment 25. The bottom of the material receiving chamber is provided with a discharge port 26 of the sorting machine part, which is used for connecting with an inlet end of the crushing and pulping system. One end of the sorting chamber along the horizontal direction is provided with a feeding hole 20 of the sorting machine part, and the other end is provided with a slag hole 12 of the sorting machine part. The sieve plate is inclined in a mode that one end of the sieve plate, which is positioned at a feed inlet of the sorting machine part, is high and one end of the sieve plate, which is positioned at a slag outlet of the sorting machine part, is low. The upper surface of the sieve plate is a circular arc surface. The sorting chamber is provided with a pendulum shaft 27. The pendulum shaft is arranged obliquely. The tilt direction of the pendulum shaft is the same as that of the sieve plate. The pendulum shaft is coaxial with the arc on which the upper surface of the sieve plate is positioned. The pendulum shaft is connected with a plurality of plate hammers 28 which are distributed along the circumference of the pendulum shaft and extend axially. The end face of the plate hammer, which is far away from one end of the pendulum shaft, is provided with a plurality of pendulum shaft part cutting edges 29 which extend along the peripheral direction of the pendulum shaft and are distributed axially. The upper surface of the sieve plate is provided with a plurality of sieve plate part cutting edges 30 which extend along the circumferential direction of the pendulum shaft and are distributed along the axial direction. The cutting edges of the swing shaft part and the cutting edges of the sieve plate part are arranged at intervals. The spacing distance L1 between the adjacent swing shaft part cutting edge and the sieve plate part cutting edge is equal to or less than the aperture of the sieve plate mesh 31. The distance L2 between the plate hammer and the upper surface of the sieve plate is below the aperture of the sieve plate mesh. The sorter also includes a suction fan 32. The inlet end of the blower is provided with an air suction hood 33 positioned in the material receiving chamber. The opening of the air suction hood faces downwards. The plate hammer is provided with a resistance reducing hole 34 which penetrates through the plate hammer along the circumferential direction of the swing shaft; and the projection of the resistance reducing hole on one plate hammer towards the other plate hammer along the circumferential direction of the pendulum shaft is completely staggered with the resistance reducing hole on the other plate hammer.
The method for performing perishable garbage pretreatment by the perishable garbage pretreatment device comprises the following steps:
the kitchen waste collecting system comprises a first step of discharging the kitchen waste into a material receiving hopper of a material receiving system, conveying the kitchen waste to a sorting machine through a draining spiral conveyor at the bottom of the material receiving hopper, enabling liquid in the kitchen waste to flow into a filtrate collecting pool, and conveying the liquid in the filtrate collecting pool into an intermediate pool.
Secondly, the input kitchen waste is processed through a sorting machine, organic materials wrapped in plastic bags in the kitchen waste are scattered and separated, meanwhile, massive organic materials such as vegetable leaves are also torn and scattered, organic matters form the kitchen waste with the particle size of below 60mm and are output to a crushing and pulping system, and sundries with the particle size of above 60mm are output from a slag outlet of a sorting machine part of the sorting machine;
thirdly, further crushing the kitchen waste through a crushing and pulping system, discharging hard substance sundries from a slag outlet, pulping the materials to form organic coarse slurry, and conveying the organic coarse slurry to a sediment and floating substance removal system after the organic coarse slurry enters a slurry tank;
fourthly, removing the sediment and the floating substances in the organic coarse slurry by the sediment and floating substance removing system and discharging the organic coarse slurry from a slag outlet of the sediment and floating substance removing system, so as to form organic fine slurry, outputting the organic fine slurry to an intermediate pool and then conveying the organic fine slurry to an oil-water separation system;
and fifthly, separating out a water phase substance formed by mixing an organic solid phase and a water phase in the organic fine slurry by the oil-water separation system, conveying the water phase substance to the homogenization buffer tank, conveying the water phase substance to the anaerobic fermentation system for anaerobic fermentation, separating out an oil phase substance, conveying the oil phase substance to the grease intermediate tank, and conveying the oil phase substance to the biodiesel pretreatment system.
And the sorting machine, the crushing and pulping system and the sediment and floating material removing system are used for discharging the slag which is conveyed away by the same slag discharging mechanism.
Claims (10)
1. A perishable garbage pretreatment device is characterized by comprising a filtrate collecting tank, a slag discharging mechanism, a homogeneous buffer tank, a material receiving system, a sorting machine, a crushing and pulping system, a slurry tank, a sediment and floating material removing system, an intermediate tank, an oil-water separation system and a grease intermediate tank which are sequentially connected together, the inlet end of the homogeneous buffer pool is connected with the water phase substance outlet of the oil-water separation system, the inlet end of the grease intermediate pool is connected with the oil phase substance outlet of the oil-water separation system, the filtrate collecting tank is used for receiving liquid flowing out of the material receiving system, the output end of the filtrate collecting tank is connected with the inlet end of the middle tank, the slag hole of the sorting machine, the slag hole of the crushing and pulping system, the slag hole of the sediment and floating material removing system are connected with the inlet end of the slag discharging mechanism.
2. A pre-treatment device for perishable garbage according to claim 1, further comprising a recycling water tank, wherein the oil-water separation system is further provided with an oil-water separation system water outlet, the water outlet of the grease intermediate tank and the oil-water separation system water outlet are connected with the inlet end of the recycling water tank, and the outlet end of the recycling water tank is connected with the inlet end of the homogeneous buffer tank and the inlet end of the crushing and pulping system.
3. A pre-treatment apparatus for perishable waste as set forth in claim 1 wherein the oil water separation system and the filtrate collection basin are each provided with a steam inlet.
4. A perishable waste pretreatment device as set forth in claim 1, wherein the receiving system includes a receiving hopper and a screw conveyor, the screw conveyor is disposed with a lower inlet end and a higher outlet end, the inlet end of the screw conveyor is connected with the outlet end of the receiving hopper, the outlet end of the screw conveyor is connected with the inlet end of the sorting machine, the filtrate collecting tank is located under the screw conveyor, and a plurality of water filtering holes are disposed on the bottom wall of the casing of the screw conveyor.
5. A pre-treatment device for perishable waste as set forth in claim 4 wherein the inlet end of the receiving hopper is provided with a hydraulically actuated lid that opens and closes.
6. A pre-treatment apparatus for perishable waste as set forth in claim 5 wherein the receiving hopper is further provided at an upper end thereof with an exhaust port, the exhaust port being connected to the deodorizing system.
7. A pre-treatment device for perishable garbage according to claim 1, wherein the sorting machine comprises a sorting machine shell, a sieve plate is arranged in the sorting machine shell and divides the sorting machine shell into a sorting chamber and a receiving chamber, a discharge port of the sorting machine is arranged at the bottom of the receiving chamber, the discharge port of the sorting machine is connected with a feed port of the crushing and pulping system, a feed port of the sorting machine is arranged at one end of the sorting chamber along the horizontal direction, a slag outlet of the sorting machine is arranged at the other end of the sorting chamber, the sieve plate is inclined in a mode that one end of the feed port of the sorting machine is high and one end of the slag outlet of the sorting machine is low, the upper surface of the sieve plate is an arc surface, a swing shaft is arranged in the sorting chamber, and a plurality of plate hammers which axially extend along the circumferential distribution of the swing shaft.
8. A perishable waste pretreatment device as set forth in claim 7, wherein a plurality of pendulum shaft portion cutting edges extending axially along the pendulum shaft circumference are disposed on the end surface of the end of the plate hammer away from the pendulum shaft, a plurality of sieve plate portion cutting edges extending axially along the pendulum shaft circumference are disposed on the upper surface of the sieve plate, the pendulum shaft portion cutting edges are disposed at intervals with the sieve plate portion cutting edges, the spacing distance between adjacent pendulum shaft portion cutting edges and sieve plate portion cutting edges is less than the aperture of the sieve plate mesh, and the distance between the plate hammer and the upper surface of the sieve plate is less than the aperture of the sieve plate mesh.
9. A perishable waste pretreatment device as set forth in claim 7, wherein said sorter further comprises a suction device, and wherein said blower has an inlet end provided with a suction hood located within said collection chamber, said suction hood having a downwardly facing opening.
10. A perishable waste pretreatment method applicable to the perishable waste pretreatment device of claim 1,
firstly, kitchen waste is discharged into a receiving hopper of a receiving system, the kitchen waste is conveyed to a sorting machine through a screw conveyor capable of draining water at the bottom of the receiving hopper, liquid in the kitchen waste flows into a filtrate collecting pool, and the liquid in the filtrate collecting pool is conveyed into an intermediate pool;
secondly, the input kitchen waste is processed through a sorting machine, organic materials wrapped in plastic bags in the kitchen waste are scattered and separated, meanwhile, massive organic materials such as vegetable leaves are also torn and scattered, organic matters form the kitchen waste with the particle size of below 60mm and are output to a crushing and pulping system, and sundries with the particle size of above 60mm are output from a slag outlet of a sorting machine part of the sorting machine;
thirdly, further crushing the kitchen waste through a crushing and pulping system, discharging hard substance sundries from a slag outlet, pulping the materials to form organic coarse slurry, and conveying the organic coarse slurry to a sediment and floating substance removal system after the organic coarse slurry enters a slurry tank;
fourthly, removing the sediment and the floating substances in the organic coarse slurry by the sediment and floating substance removing system and discharging the organic coarse slurry from a slag outlet of the sediment and floating substance removing system, so as to form organic fine slurry, outputting the organic fine slurry to an intermediate pool and then conveying the organic fine slurry to an oil-water separation system;
and fifthly, separating out a water phase substance formed by mixing an organic solid phase and a water phase in the organic fine slurry by the oil-water separation system, conveying the water phase substance to the homogenization buffer tank, conveying the water phase substance to the anaerobic fermentation system for anaerobic fermentation, separating out an oil phase substance, conveying the oil phase substance to the grease intermediate tank, and conveying the oil phase substance to the biodiesel pretreatment system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201911420113.6A CN110899310A (en) | 2019-12-31 | 2019-12-31 | Perishable garbage pretreatment device and perishable garbage pretreatment method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911420113.6A CN110899310A (en) | 2019-12-31 | 2019-12-31 | Perishable garbage pretreatment device and perishable garbage pretreatment method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111437960A (en) * | 2020-04-26 | 2020-07-24 | 三门踱哒环保设备有限公司 | Kitchen waste classification equipment |
| CN112222143A (en) * | 2020-09-15 | 2021-01-15 | 宁夏中科国通新能源有限公司 | Kitchen waste treatment receives material, back-mixing washing, carries integrative equipment |
| CN112974470A (en) * | 2021-02-05 | 2021-06-18 | 浙江正浩智能制造有限公司 | Perishable garbage treatment system for transfer station |
-
2019
- 2019-12-31 CN CN201911420113.6A patent/CN110899310A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111437960A (en) * | 2020-04-26 | 2020-07-24 | 三门踱哒环保设备有限公司 | Kitchen waste classification equipment |
| CN112222143A (en) * | 2020-09-15 | 2021-01-15 | 宁夏中科国通新能源有限公司 | Kitchen waste treatment receives material, back-mixing washing, carries integrative equipment |
| CN112222143B (en) * | 2020-09-15 | 2022-12-02 | 宁夏中科国通新能源有限公司 | Kitchen waste treatment receives material, backmixing washing, carries integrative equipment |
| CN112974470A (en) * | 2021-02-05 | 2021-06-18 | 浙江正浩智能制造有限公司 | Perishable garbage treatment system for transfer station |
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