CN110340106B - Pretreatment device and process for sorting organic matters in kitchen waste - Google Patents
Pretreatment device and process for sorting organic matters in kitchen waste Download PDFInfo
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- CN110340106B CN110340106B CN201910589076.5A CN201910589076A CN110340106B CN 110340106 B CN110340106 B CN 110340106B CN 201910589076 A CN201910589076 A CN 201910589076A CN 110340106 B CN110340106 B CN 110340106B
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- 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
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- 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
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- 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
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a pretreatment device and a pretreatment process for sorting organic matters in kitchen waste, wherein the pretreatment device comprises: the device comprises a storage tank, a grab bucket crane, a chain plate machine, a manual sorting chamber, a bag breaking machine, a rotary screen, a magnetic separator, a fine crushing and sorting machine, an extruder and an organic matter storage tank; the material storage pool stores and filters materials, the grab bucket crane transports the materials in the material storage pool to the chain plate machine, the chain plate machine conveys the materials into the manual sorting chamber, the sorted large reclaimed garbage is conveyed into the extruding machine, the sorted materials are conveyed to the bag breaking machine, and the broken materials are output to the drum screen; materials screened out by the drum screen are respectively conveyed to the organic matter storage tank, the fine crushing separator and the extruder, and the organic matters which are separated and are smaller than the aperture of the small hole are output to the organic matter storage tank. Through the technical scheme of the invention, the efficiency and the effect of organic matter separation are improved, and the pretreatment process has high treatment efficiency and stable treatment performance.
Description
Technical Field
The invention relates to the technical field of garbage treatment, in particular to a pretreatment device and a pretreatment process for sorting kitchen waste organic matters.
Background
With the development of economy and society and the great improvement of the material consumption level, the production amount of domestic garbage in China is rapidly increased, the hidden environmental danger is increasingly prominent, and the new type of urban development is a restriction factor. The classification of the domestic garbage is implemented according to the principle of reduction, reclamation and harmlessness, so that the urban and rural environment can be effectively improved, the resource recycling is promoted, the construction of the two-type society is accelerated, and the novel urbanization quality and the ecological civilization construction level are improved.
The recyclables and perishable waste add up to more than 35% before entering incineration and landfill facilities, where the kitchen waste (organic solid waste) mainly comprises: organic garbage generated in relevant units such as dining halls, hotels, restaurants, living quarters and the like, vegetable, melon and fruit garbage, rotten meat, broken meat and bones, eggshells, livestock and poultry product viscera and the like generated in farmer markets and agricultural product wholesale markets.
The kitchen waste is not suitable for direct landfill and incineration due to the characteristics of easy decay, odor generation, easy biodegradation and the like. At present, the treatment of kitchen garbage (organic solid waste) is mainly anaerobic fermentation, but because the garbage contains a certain amount of impurities and can not directly enter an anaerobic system, the organic substances in the kitchen garbage are separated by pretreatment. Because people's rubbish classification consciousness of present district life is not strong, especially in two three-line cities, and the national regulatory system is not perfect enough, can lead to kitchen garbage impurity content too high, and the nature is close domestic waste.
Disclosure of Invention
Aiming at least one of the problems, the invention provides a pretreatment device and a pretreatment process for separating organic matters of kitchen garbage. According to the device and the process, the efficiency and the effect of organic matter separation are improved, and the pretreatment process is high in treatment efficiency and stable in treatment performance.
In order to achieve the above object, the present invention provides a pretreatment device for sorting organic matters in kitchen waste, comprising: the device comprises a storage tank, a grab bucket crane, a chain plate machine, a manual sorting chamber, a bag breaking machine, a rotary screen, a magnetic separator, a fine crushing and sorting machine, an extruder and an organic matter storage tank; the material storage pool stores and filters materials, the grab bucket crane transports the materials in the material storage pool to the chain plate machine, the chain plate machine transports the materials into the manual sorting chamber, the sorted large reclaimed garbage is transported into the extruding machine, the sorted materials are transported to the bag breaking machine, and the broken materials are output into the drum screen; the trommel sieve includes aperture section and macropore section, aperture section sifts the material process the magnet separator carries out the magnetic separation after to organic matter storage tank, macropore section sifts the material process the magnet separator carries out the magnetic separation after export to the fine crushing sorter is selected separately, will select separately after be less than the organic matter in aperture export extremely organic matter storage tank, will select separately after be greater than the impurity in aperture and the trommel sieve exports the material extremely the extruder.
In the above technical scheme, preferably, the chain plate machine is provided with a funnel-shaped receiving hopper corresponding to the upper side, an included angle between a side plate of the receiving hopper and the vertical direction is less than 40 degrees, a flushing port is arranged on a wall of the receiving hopper, the flushing port is provided with a downward elbow, an outlet of the downward elbow corresponds to the receiving hopper, a mesh is arranged on a chain plate of the chain plate machine, a liquid guide groove with a gradient of 2% is arranged below the corresponding mesh on the chain plate machine, and filtrate filtered out by the mesh passes through the liquid guide groove and is discharged.
In the above technical scheme, preferably, the manual sorting chamber includes a sorting station, a sorting belt, a negative pressure air port and a deodorizing spray device, the sorting station is disposed on two sides of the sorting belt, and the negative pressure air port and the deodorizing spray device are disposed above the sorting station.
In above-mentioned technical scheme, preferably, the bag-breaking machine is including rotating drum, broken bag cutting edge and stationary knife, broken bag cutting edge set up in rotate the drum, it drives to rotate the drum broken bag cutting edge rotates, the stationary knife set up in on the bag-breaking machine inner wall, the stationary knife with interval is 100 ~ 150 millimeters between the broken bag cutting edge.
In the above technical solution, preferably, the drum screen is inclined at an axis of 2-6 °, the aperture of the small hole section is 60mm, the aperture of the large hole section is 120mm, and the aperture ratio of the drum screen is greater than 30%.
In the above technical scheme, preferably, a cutter is arranged on a main shaft in the fine crushing separator, an included angle of 2-3 degrees is formed between the cutter and the main shaft, a screen is arranged in the fine crushing separator, and the aperture of a mesh of the screen is 60 mm.
In the above technical solution, preferably, the pretreatment device for sorting organic matter in kitchen waste further includes a belt conveyor and a screw conveyor, and the belt conveyor and the screw conveyor are used for conveying materials between the machines.
The invention also provides a pretreatment process for sorting organic matters in kitchen waste, which comprises the following steps: grabbing the materials loaded in the storage pool by a grab crane and throwing the materials onto a chain plate machine; conveying the materials to a manual sorting chamber through the chain scraper; the garbage sorted manually is sent to an extruder, and the materials sorted manually are sent to a bag breaking machine; feeding the broken materials into a drum screen; after passing through the drum screen, the materials with the aperture smaller than the small hole are magnetically separated by a magnetic separator and then are sent into an organic matter storage pool; feeding the garbage with the diameter larger than the aperture of the large hole into the extruder; the materials with the pore diameter larger than the pore diameter of the small pores and smaller than the pore diameter of the large pores are sent into a fine crushing separator after being magnetically separated; after passing through the fine crushing separator, the materials with the aperture smaller than that of the small hole are sent to the organic material storage tank, and the garbage with the aperture larger than that of the small hole is sent to the extruder; and the extruding machine extrudes and packs the manually sorted garbage, the garbage sorted by the drum screening machine and the garbage sorted by the fine crushing and sorting machine into boxes.
In the above technical solution, preferably, the pretreatment process for sorting organic matter in kitchen waste further includes: and a flushing opening of the receiving hopper is arranged above the chain plate machine for flushing, and filtrate filtered by the mesh holes of the chain plate machine is discharged through a liquid guide groove below the chain plate machine.
In the above technical solution, preferably, the filtrate in the storage tank and the filtrate in the chain plate machine are discharged to a sewage treatment system, the material stored in the organic material storage tank is conveyed to an anaerobic system for fermentation, and the magnetic metal magnetically separated by the magnetic separator is recycled.
Compared with the prior art, the invention has the beneficial effects that:
1) the separation effect is good, the energy consumption is low, and the requirement on raw materials is low;
2) a grab bucket crane is selected for feeding, the feeding efficiency is high, and large garbage and interferents (mattresses, cabinets, chairs and the like) can be selected in the process of manually operating the grab bucket;
3) a chain plate type conveyor is selected for receiving materials, so that the bearing capacity is large, the impact resistance is high, the performance is stable, and the conveying efficiency is high;
4) a bag breaking machine is selected for bag breaking treatment, so that the treatment capacity is large and the efficiency is high;
5) the materials are preferably sorted by a sectional rotary screen, so that the sorting efficiency is high and the sorting effect is good;
6) selecting a fine crushing separator to carry out crushing and separation treatment on the materials with the size of more than 60mm and less than 120mm,
the structure is simple, the space is saved, the sorting efficiency is high, and the sorting effect is good;
7) the garbage extruder is selected to extrude and reduce the volume of the impurities of the manual separation, the drum screen and the fine crushing separator, the treatment efficiency is high, the occupied area is small, and the garbage compaction degree is high.
Drawings
FIG. 1 is a schematic view of a pre-treatment apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart of a pre-processing apparatus according to an embodiment of the present disclosure;
FIG. 3 is a schematic structural diagram of a chain plate machine according to an embodiment of the present invention;
fig. 4 is a schematic view of a link plate link structure disclosed in an embodiment of the present invention;
FIG. 5 is a schematic view of a flushing port of a chain plate machine according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a manual sorting chamber according to an embodiment of the present disclosure;
fig. 7 is a schematic structural view of a bag breaker according to an embodiment of the present invention;
fig. 8 is a schematic structural view of a screen plate of a drum screen disclosed in one embodiment of the present invention;
FIG. 9 is a schematic structural diagram of a main body of a fine crushing and sorting machine according to an embodiment of the present invention;
FIG. 10 is a schematic view of a spindle configuration of a fine particle separator according to an embodiment of the present invention;
fig. 11 is a schematic cross-sectional view of a cutter of a fine crushing separator according to an embodiment of the present invention.
In the drawings, the correspondence between each component and the reference numeral is:
1. the device comprises a storage tank, 2, a grab bucket crane, 3, a chain plate machine, 31, a chain plate, 32, a receiving hopper, 33, a flushing port, 34, a liquid guide groove, 35, a downward elbow, 4, a manual sorting chamber, 41, a negative pressure air port, 42, a sorting belt, 43, a sorting station, 44, a deodorizing spraying device, 5, a bag breaking machine, 6, a drum screen, 61, a screen mesh, 62, a main shaft, 7, a magnetic separator, 8, a fine crushing sorting machine, 9, an extruder, 10, an organic matter storage tank, 11, a belt conveyor and 12, a spiral conveyor.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention is described in further detail below with reference to the attached drawing figures:
as shown in fig. 1 to 11, the pretreatment device for organic matter separation of kitchen waste provided by the invention comprises: the device comprises a storage tank 1, a grab bucket crane 2, a chain plate machine 3, a manual sorting chamber 4, a bag breaking machine 5, a drum screen 6, a magnetic separator 7, a fine crushing and sorting machine 8, an extruder 9 and an organic matter storage tank 10; the material storage tank 1 stores and filters materials, the grab bucket crane 2 transports the materials in the material storage tank 1 to the chain plate machine 3, the chain plate machine 3 transports the materials into the manual sorting chamber 4, the sorted large-piece recycled garbage is transported into the extruder 9, the sorted materials are transported to the bag breaking machine 5, and the broken materials are output into the drum screen 6; the trommel 6 comprises a small hole section and a large hole section, the small hole diameter of the small hole section is preferably 60mm, the large hole diameter of the large hole section is preferably 120mm, the material screened out from the small hole section is magnetically separated by a magnetic separator 7 and then conveyed to an organic matter storage tank 10, the material screened out from the large hole section is magnetically separated by the magnetic separator 7 and then output to a fine crushing separator 8 for separation, the organic matter which is separated and is less than 60mm is output to the organic matter storage tank 10, and the impurity which is separated and is more than 60mm and the material output by the trommel 6 are output to an extruder 9.
In the above embodiment, preferably, a funnel-shaped receiving hopper 32 is arranged above the chain plate machine 3, the grab crane 2 feeds the material from the storage tank 1 into the receiving hopper 32, the width of the receiving hopper 32 is greater than 4.5m, and the length of the receiving hopper 32 is greater than 5m, so that good receiving can be performed only, and the material is not scattered outside the equipment. The angle between the side plate of the receiving hopper 32 and the vertical direction is less than 40 degrees, so that materials are prevented from being accumulated on the hopper wall. The wall of the receiving hopper 32 is provided with a flushing opening 33, the flushing opening 33 is provided with a downward elbow 35, and the outlet of the downward elbow 35 corresponds to the receiving hopper 32, so that garbage is prevented from entering and blocking the flushing opening 33. The chain plate 31 of the chain plate machine 3 is provided with meshes, the aperture of the meshes is preferably 10mm, and the aperture ratio is less than 50%, so that the liquid in the garbage is filtered while the strength of the chain plate 31 is ensured. The link plates 31 are connected by hinges, and the perforated plates and the non-perforated plates are linked in a staggered manner. A liquid guide groove 34 with the gradient of 2% is arranged on the chain plate machine 3 corresponding to the lower part of the meshes, and the filtrate filtered by the meshes is discharged through the liquid guide groove 34 so as to send the filtrate in the garbage into a sewage treatment system.
In the above embodiment, preferably, the manual sorting chamber 4 comprises the sorting stations 43, the sorting belts 42, the negative pressure air opening 41 and the deodorizing and spraying device 44, 4 to 6 sorting stations 43 are preferably arranged in the manual sorting chamber 4, the sorting stations 43 are arranged on two sides of the sorting belts 42, and the height of the sorting belts 42 is 1.3m from the ground of the sorting chamber, so as to facilitate the operation of workers. Four negative pressure air ports 41 are arranged at the upper part of each sorting station 43, the whole ventilation frequency is 12 times, and meanwhile, four biological deodorization spraying devices 44 are arranged at the upper part of each station and are used for reducing the odor in the sorting chamber; a constant temperature system is arranged in the separation chamber to ensure that the working temperature is between 20 and 25 ℃.
In the above embodiment, preferably, the materials are fed into the bag breaker 5 after passing through the sorting chamber, and the receiving hopper 32 is arranged above the bag breaker 5, and the receiving hopper 32 is in a trumpet shape. Bag breaking machine 5 is including setting up in the rotation drum of main shaft, broken bag cutting edge and stationary knife, and broken bag cutting edge sets up in rotating the drum, rotates the drum and drives broken bag cutting edge and rotate, and broken bag cutting edge material adopts alloy steel, and broken bag cutting edge shape is crescent, and staggered distribution is on rotating the drum for bag material such as the plastic bag of tearing in the rubbish, container bag, fibre bag. The fixed knife is arranged on the inner wall of the bag breaking machine 5, the distance between the fixed knife and the bag breaking blade is 100-150 mm, the preferable distance is 120mm, the fixed knife and the bag breaking blade are used for cutting and blocking falling materials, most of bag-shaped objects of the materials are broken after the materials pass through the bag breaking machine 5, internal organic matters are released, and a certain crushing effect is achieved.
In the above embodiment, preferably, the drum screen 6 is inclined at an axis of 2-6 ° so that the garbage can be pushed forward in the drum screen 6 due to gravity. The aperture of the small hole section is 60mm, the aperture of the large hole section is 120mm, the aperture ratio of the drum screen 6 is more than 30%, and the drum screen is used for separating out part of organic matters and impurities in the materials.
In the above embodiment, preferably, a main shaft 62 is arranged in the fine crushing separator 8, a cutter is arranged on the main shaft 62, an included angle of 2-3 ° is formed between the cutter and the main shaft 62, and when the material is crushed, a certain airflow can be formed in the crushing cavity to form thrust, and the impurities are sent to an impurity outlet of the crusher to be used for separating the impurities. The fine crushing and sorting machine 8 is provided with a screen 61, and the mesh aperture of the screen 61 is 60mm and is used for sorting out materials smaller than 60 mm. The fine crushing and sorting machine 8 is used for crushing the materials and simultaneously sorting a part of impurities in the materials, such as plastics, cloth pieces, fibers and the like.
In the above embodiment, preferably, the pretreatment device for organic matter sorting of kitchen waste further comprises a belt conveyor 11 and a screw conveyor 12, and the belt conveyor 11 and the screw conveyor 12 are used for conveying materials between the machines.
The invention also provides a pretreatment process for sorting organic matters in kitchen waste, which comprises the following steps: grabbing the materials loaded in the storage tank 1 by a grab crane 2 and throwing the materials onto a chain plate machine 3; conveying the materials to a manual sorting chamber 4 through a chain plate machine 3; the manually sorted garbage is sent to an extruder 9, and the manually sorted materials are sent to a bag breaking machine 5; feeding the broken materials into a drum screen 6; after passing through the drum screen 6, the materials with the aperture smaller than the small hole are magnetically separated by a magnetic separator 7 and then are sent into an organic material storage tank 10; the garbage with the aperture larger than the large hole is sent into an extruder 9; the materials with the pore diameter larger than the pore diameter of the small pores and smaller than the pore diameter of the large pores are sent into a fine crushing separator 8 after being subjected to magnetic separation; after passing through the fine crushing separator 8, the materials with the aperture smaller than the small hole are sent to an organic material storage tank 10, and the garbage with the aperture larger than the small hole is sent to an extruder 9; the extruder 9 extrudes and packs the manually sorted garbage, the garbage sorted by the drum screen 6 and the garbage sorted by the fine crushing and sorting machine 8 together.
Specifically, the material storage tank 1 stores materials and filters liquid, and filtrate is sent to a sewage treatment system for treatment; the grab bucket crane 2 transports the materials into a receiving hopper 32 above the chain plate machine 3, the hopper of the chain plate machine 3 is provided with a water spraying port, a chain plate 31 is provided with a hole, the bottom of the chain plate 31 is provided with a liquid guide groove 34, and the filtrate is sent into a sewage treatment system for treatment; the chain plate machine 3 sends the materials into a manual sorting chamber 4, and large garbage, specified recycled garbage and subsequent interferents influencing the system in the materials are sorted out and sent into a garbage extruder 9 for extrusion; the materials after manual sorting are sent into a bag breaking machine 5, and the bag breaking machine 5 breaks bags of the materials; the materials after bag breaking are sent into a drum screen 6; the aperture of the small hole section of the screen plate of the drum screen 6 is 60mm, the aperture of the large hole section is 120mm, most of the materials smaller than 60mm are organic matters, the materials are sent into an organic matter storage pit after magnetic separation, most of the materials larger than 120mm are impurities, waste paper sheets, braided fabrics, plastics and the like, the materials are separated out and sent into a garbage extruder 9 for extrusion, the materials larger than 60mm are crushed to be below 60mm, meanwhile, the impurities such as plastics, fibers, cloth blocks and the like in the materials are separated out, the separated impurities are sent into the garbage extruder 9, most of the materials crushed to be below 60mm are organic matters and directly sent into an organic matter storage pool 10, all the impurities separated by the manual separation, the drum screen 6 and the fine crushing and sorting machine 8 are sent into the garbage extruder 9 for extrusion and boxing, the garbage extruder is driven by hydraulic pressure, the volume of the mixed materials can be reduced by at least, then sent to an incineration plant or a landfill for treatment.
In the above embodiment, preferably, the pretreatment process for organic matter separation of kitchen waste further includes: the washing is carried out through a washing port 33 of a receiving hopper 32 arranged above the chain plate machine 3, and filtrate filtered by the mesh of the chain plate machine 3 is discharged through a liquid guide groove 34 below the chain plate machine 3.
In the above embodiment, preferably, the filtrate of the material storage tank 1 and the filtrate of the plate-link machine 3 are discharged to a sewage treatment system, the material stored in the organic material storage tank 10 is conveyed to an anaerobic system for fermentation, and the magnetic metal magnetically separated by the magnetic separator 7 is recycled.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a preprocessing device for organic matter of kitchen garbage is selected separately which characterized in that includes: the device comprises a storage tank, a grab bucket crane, a chain plate machine, a manual sorting chamber, a bag breaking machine, a rotary screen, a magnetic separator, a fine crushing and sorting machine, an extruder and an organic matter storage tank;
the material storage pool stores and filters materials, the grab bucket crane transports the materials in the material storage pool to the chain plate machine, the chain plate machine conveys the materials into the manual sorting chamber, the sorted large reclaimed garbage is conveyed into the extruding machine, the sorted materials are conveyed to the bag breaking machine, and the broken materials are output to the drum screen;
the device comprises a chain plate machine, a hopper, a washing port, a downward elbow, a mesh, a liquid guide groove and a filter screen, wherein a funnel-shaped receiving hopper is arranged above the chain plate machine correspondingly, an included angle between a side plate of the receiving hopper and the vertical direction is less than 40 degrees, the wall of the receiving hopper is provided with the washing port, the washing port is provided with the downward elbow, an outlet of the downward elbow corresponds to the receiving hopper, a link plate of the chain plate machine is provided with meshes, the lower part of the link plate machine corresponding to the meshes is provided with the liquid guide groove with the gradient of 2%, and filtrate;
the trommel comprises a small hole section and a large hole section, wherein the materials screened out from the small hole section are magnetically separated by the magnetic separator and then are conveyed to the organic matter storage tank, the materials screened out from the large hole section are magnetically separated by the magnetic separator and then are output to the fine crushing separator for separation, the organic matters which are separated and are smaller than the small hole diameter are output to the organic matter storage tank, and the impurities which are separated and are larger than the small hole diameter and the materials output by the trommel are output to the extruder;
the drum screen is obliquely arranged at an axis of 2-6 degrees, so that materials in the drum screen are pushed forward under the action of gravity, the aperture of a small hole of the small hole section is 60mm, the aperture of a large hole of the large hole section is 120mm, and the aperture ratio of the drum screen is more than 30%;
be provided with the cutter on the main shaft in the sorter in fine crushing, the cutter with 2 ~ 3 contained angles have between the main shaft, the cutter can form certain air current in broken intracavity in broken material to form thrust and send impurity to the export of breaker impurity, be provided with the screen cloth in the sorter in fine crushing, the mesh aperture of screen cloth is 60 millimeters.
2. The pretreatment device for organic matter separation of kitchen waste according to claim 1, wherein the manual separation chamber comprises a separation station, a separation belt, a negative pressure air port and a deodorization spraying device, the separation station is arranged on two sides of the separation belt, and the negative pressure air port and the deodorization spraying device are arranged above the separation station.
3. The pretreatment device for organic matter separation of kitchen waste according to claim 1, wherein the bag breaking machine comprises a rotary drum, bag breaking blades and a fixed cutter, the bag breaking blades are arranged on the rotary drum, the rotary drum drives the bag breaking blades to rotate, the fixed cutter is arranged on the inner wall of the bag breaking machine, and the distance between the fixed cutter and the bag breaking blades is 100-150 mm.
4. The pretreatment device for organic matter separation of kitchen waste according to claim 1, further comprising a belt conveyor and a screw conveyor, wherein the belt conveyor and the screw conveyor are used for conveying materials between the machines.
5. A pretreatment process for organic matter sorting of kitchen waste, which is applied to the pretreatment device for organic matter sorting of kitchen waste according to any one of claims 1 to 4, and is characterized by comprising the following steps:
grabbing the materials loaded in the storage pool by a grab crane and throwing the materials onto a chain plate machine;
conveying the materials to a manual sorting chamber through the chain plate machine;
the garbage sorted manually is sent to an extruder, and the materials sorted manually are sent to a bag breaking machine;
feeding the broken materials into a drum screen;
after passing through the drum screen, the materials with the aperture smaller than the small hole are magnetically separated by a magnetic separator and then are sent into an organic matter storage pool;
feeding the garbage with the diameter larger than the aperture of the large hole into the extruder;
the materials with the pore diameter larger than the pore diameter of the small pores and smaller than the pore diameter of the large pores are sent into a fine crushing separator after being magnetically separated;
after passing through the fine crushing separator, the materials with the aperture smaller than that of the small hole are sent to the organic material storage tank, and the garbage with the aperture larger than that of the small hole is sent to the extruder;
and the extruding machine extrudes and packs the manually sorted garbage, the garbage sorted by the drum screening machine and the garbage sorted by the fine crushing and sorting machine together.
6. The pretreatment process for organic matter sorting of kitchen waste according to claim 5, further comprising:
and a flushing opening of the receiving hopper is arranged above the chain plate machine for flushing, and filtrate filtered by meshes of the chain plate machine is discharged through a liquid guide groove below the chain plate machine.
7. The pretreatment process for organic matter separation of kitchen waste according to claim 5, wherein the filtrate of the storage tank and the filtrate of the chain plate machine are discharged to a sewage treatment system, the material stored in the organic matter storage tank is conveyed to an anaerobic system for fermentation, and the magnetic metal magnetically separated by the magnetic separator is recycled.
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| US3973735A (en) * | 1974-04-01 | 1976-08-10 | Keishin Matsumoto, President of Agency of Industrial Science and Technology | Apparatus for pulverizing and sorting municipal waste |
| NL9201725A (en) * | 1992-10-06 | 1994-05-02 | Vam Nv | Method for the separation of household and similar waste |
| CN101612630B (en) * | 2009-06-24 | 2010-09-08 | 北京国宗元投资有限公司 | Harmless and recycling real-time treatment method and system for household garbage |
| CN103480633B (en) * | 2013-09-24 | 2015-10-14 | 常州大学 | Domestic garbage resource treating apparatus and processing method thereof |
| CN103934253B (en) * | 2014-03-22 | 2017-05-10 | 深圳市旭景力博环保科技有限公司 | Household garbage complete recycling harmless comprehensive processing method |
| CN208178077U (en) * | 2018-02-12 | 2018-12-04 | 江苏天楹环保能源成套设备有限公司 | A kind of house refuse Recyclable separation system |
| CN208164086U (en) * | 2018-04-18 | 2018-11-30 | 重庆市环卫集团有限公司 | A kind of kitchen garbage pre-treatment system |
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