CN111408603A - Solid-liquid separation system for kitchen waste - Google Patents
Solid-liquid separation system for kitchen waste Download PDFInfo
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- CN111408603A CN111408603A CN202010130410.3A CN202010130410A CN111408603A CN 111408603 A CN111408603 A CN 111408603A CN 202010130410 A CN202010130410 A CN 202010130410A CN 111408603 A CN111408603 A CN 111408603A
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- kitchen waste
- solid
- slurry pool
- separation system
- liquid separation
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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
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B9/00—Presses specially adapted for particular purposes
- B30B9/02—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material
- B30B9/12—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using pressing worms or screws co-operating with a permeable casing
- B30B9/14—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using pressing worms or screws co-operating with a permeable casing operating with only one screw or worm
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Processing Of Solid Wastes (AREA)
- Centrifugal Separators (AREA)
Abstract
The invention discloses a kitchen waste solid-liquid separation system, wherein a material receiving bin comprises a waste receiving hopper and a hopper bottom conveying screw, the waste receiving hopper is used for receiving kitchen waste, and the hopper bottom conveying screw is used for conveying the kitchen waste to a large substance sorting machine; the large-substance sorting machine sorts according to the type and size of the kitchen waste, outputs sorted recyclable matters and inorganic matters and conveys the sorted organic matters to the extruding machine; extruding the organic matter by an extruder, outputting the solid-phase material, and conveying the liquid-phase material to a slurry pool; the slurry pool is internally provided with a stirrer and a spiral centrifugal pump, the stirrer uniformly mixes materials in the slurry pool, and the spiral centrifugal pump conveys liquid-phase materials to a subsequent treatment system. According to the technical scheme, the kitchen waste is separated quickly and efficiently, the water content of the separated kitchen waste is greatly reduced for incineration treatment, and the system is simple, high in treatment efficiency and small in occupied area.
Description
Technical Field
The invention relates to the technical field of garbage treatment, in particular to a solid-liquid separation system for kitchen garbage.
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 household garbage classification is implemented according to the principles of reduction, resource utilization and harmlessness, so that the urban and rural environment can be effectively improved, the resource recycling is promoted, the construction of a two-type society is accelerated, and the novel urbanization quality and the ecological civilization construction level are improved.
A household garbage classification treatment system is basically built in 46 key cities, corresponding laws and regulations and standard systems are basically formed, and a batch of reproducible and generalizable modes are formed. The recyclables and perishable waste add up to over 35% before entering incineration and landfill facilities. Wherein the kitchen waste (organic solid waste) mainly comprises: organic garbage generated by relevant units such as canteens, hotels, restaurants and the like is dirty.
Due to the characteristics of easy decay, odor generation, easy biodegradation and the like, the kitchen waste is not suitable for direct landfill and incineration. At present, anaerobic fermentation is mainly used for treating kitchen waste (organic solid waste), but an anaerobic system is huge, investment is high, retention time is long, and generated biogas residue liquid does not need to be discharged for two times. And because the water content of the kitchen is very high, the kitchen cannot be directly incinerated.
Disclosure of Invention
Aiming at the defects in the problems, the invention provides a kitchen waste solid-liquid separation system, which receives and conveys kitchen waste through a material receiving bin, classifies the kitchen waste through a large substance sorting machine, extrudes and outputs separated organic substances through an extruder, and outputs liquid-phase substances in the separation process to a slurry pool, so that the kitchen waste is separated quickly and efficiently, the water content of the separated kitchen waste is greatly reduced for incineration treatment, and the system is simple, high in treatment efficiency and small in occupied area.
In order to achieve the above object, the present invention provides a kitchen waste solid-liquid separation system, comprising: the device comprises a receiving bin, a large material sorting machine, an extruding machine and a slurry pool; the receiving bin comprises a garbage receiving hopper and a hopper bottom conveying screw, the garbage receiving hopper is used for receiving kitchen garbage, and the hopper bottom conveying screw is used for conveying the kitchen garbage to the large substance sorting machine; the large-substance sorting machine classifies the kitchen waste according to the type and size of the kitchen waste, outputs the classified recyclable matters and inorganic matters and conveys the classified organic matters to the extruding machine; the extruder extrudes the organic matter, outputs the solid-phase material for further treatment, and conveys the liquid-phase material to the slurry pool; the slurry tank is internally provided with a stirrer and a spiral centrifugal pump, the stirrer uniformly mixes materials in the slurry tank, and the spiral centrifugal pump conveys liquid-phase materials to a subsequent treatment system.
In the above technical scheme, preferably, a water filtering device is arranged in the material receiving bin, the water filtering device is used for preliminarily separating the received kitchen waste and conveying filtered filtrate to the slurry pool through a pipeline, and the large substance separator conveys the classified liquid-phase material to the slurry pool in the process of classifying the kitchen waste.
In the above technical solution, preferably, a bottom conveying screw of the receiving bin is inclined from low to high, an outer diameter of a conveying screw blade of the bottom conveying screw is 460 mm, and an inner diameter of the conveying screw blade is 100 mm.
In the above technical scheme, preferably, a carbon steel pipe is arranged at a discharge port end of the bucket bottom conveying screw, the length of the carbon steel pipe is 500 mm, the inner diameter of the carbon steel pipe is 480 mm, and the thickness of the carbon steel pipe is 10 mm.
In the above technical solution, preferably, the extruder includes a screen and a screw shaft, the screen is rolled into a cylindrical structure, the screw shaft is coaxially disposed inside the screen structure, the screw shaft includes a stainless steel circular ring and an extrusion screw blade, and the extrusion screw blade is welded on the surface of the stainless steel circular ring.
In the above technical scheme, preferably, the radius of the stainless steel circular ring gradually increases from the material input end to the material output end, the width of the corresponding extrusion helical blade gradually decreases from the material input end to the material output end, and the variation size is not less than 20 mm.
In the above technical solution, preferably, the screen includes a first section of screen at the material input end and a second section of screen at the material output end, the mesh of the first section of screen is 20 × 8 mm, the mesh of the second section of screen is 20 × 5 mm, and the distance between the meshes is 10 mm.
In the above technical scheme, preferably, the slurry tank further includes a submerged static pressure level meter, the submerged static pressure level meter is used for detecting a liquid level height in the slurry tank, the submerged static pressure level meter is respectively in linkage control with the stirrer and the extruder, the extruder is prohibited from operating when the liquid level in the slurry tank is higher than a preset high limit liquid level, and the stirrer is prohibited from operating when the liquid level in the slurry tank is lower than a preset low limit liquid level.
In the above technical scheme, preferably, the slurry tank is of a concrete structure, an anticorrosive layer is arranged on the inner surface of the slurry tank, a pump pit is arranged at the bottom of the slurry tank, a slope with an inclination angle larger than 2 degrees is arranged on the surface of the bottom of the slurry tank towards the pump pit, the screw centrifugal pump is arranged in the pump pit, and the stirrer is arranged at the top of the slurry tank.
In the above technical solution, preferably, the stirrer adopts stirring blades with unequal cross sections and unequal thicknesses, the screw centrifugal pump adopts a coupling mounting structure, the front half of the rotor blade of the screw centrifugal pump is a spiral body, and the rear half is a centrifugal blade.
Compared with the prior art, the invention has the beneficial effects that: the kitchen waste is received and conveyed through the material receiving bin, the kitchen waste is classified through the large material sorting machine, separated organic matters are extruded and output through the extruding machine, liquid phase materials in the separation process are output to the slurry pool, and therefore the kitchen waste is separated quickly and efficiently, the moisture content of the separated kitchen waste is greatly reduced to burn, and the system is simple, high in treatment efficiency and small in occupied area.
Drawings
FIG. 1 is a schematic diagram of an arrangement mode of a kitchen waste solid-liquid separation system disclosed in an embodiment of the invention;
FIG. 2 is a schematic view of a treatment process of a kitchen waste solid-liquid separation system according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a receiving bin disclosed in an embodiment of the present invention;
FIG. 4 is an assembled view of the extruder body construction disclosed in one embodiment of the present invention;
FIG. 5 is a schematic view of a screw shaft according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a stainless steel ring according to an embodiment of the present invention;
FIG. 7 is a schematic illustration of a first section of a screen according to one embodiment of the present disclosure;
FIG. 8 is a schematic illustration of a second section of screen according to one embodiment of the disclosure;
FIG. 9 is a schematic view of an extruded helical blade according to one embodiment of the present disclosure;
FIG. 10 is a schematic illustration of a slurry tank according to an embodiment of the present disclosure;
FIG. 11 is a schematic perspective view of a stirring blade according to an embodiment of the present invention;
FIG. 12 is a schematic cross-sectional view of a mixing blade according to one embodiment of the disclosure;
fig. 13 is a schematic structural view of a blade of a screw centrifugal pump according to an embodiment of the present invention.
In the drawings, the correspondence between each component and the reference numeral is:
1. the garbage collecting bin comprises a receiving bin 11, a garbage receiving hopper 12, a hopper bottom conveying screw 121, a conveying screw blade 122, a carbon steel pipe 2, a large material sorting machine 3, an extruder 31, a screen 311, a first section of screen 312, a second section of screen 312, a screw shaft 32, a stainless steel ring 321, an extruding screw blade 322, a slurry tank 4, a stirrer 41, a stirring blade 411, a screw centrifugal pump 42, a rotor blade 421, a submerged static pressure liquid level meter 43 and a pump pit 44.
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 obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the 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, the solid-liquid separation system for kitchen waste provided by the present invention includes: the device comprises a receiving bin 1, a large material sorting machine 2, an extruding machine 3 and a slurry pool 4; the receiving bin 1 comprises a garbage receiving hopper 11 and a hopper bottom conveying screw 12, wherein the garbage receiving hopper 11 is used for receiving kitchen garbage, and the hopper bottom conveying screw 12 is used for conveying the kitchen garbage to the large substance sorting machine 2; the large-substance sorting machine 2 sorts according to the type and size of the kitchen waste, outputs sorted recyclable matters and inorganic matters, and conveys the sorted organic matters to the extruding machine 3; the extruder 3 extrudes the organic matter, outputs the solid-phase material for further treatment, and conveys the liquid-phase material to the slurry pool 4; the stirrer 41 and the screw centrifugal pump 42 are arranged in the slurry pool 4, the stirrer 41 uniformly mixes materials in the slurry pool 4, and the screw centrifugal pump 42 conveys liquid-phase materials to a subsequent treatment system.
As shown in fig. 2, in this embodiment, the material receiving bin 1 receives and conveys the kitchen waste, the material receiving bin 1 includes a waste receiving hopper 11 and a hopper bottom conveying screw 12, and has a certain storage function and a certain conveying function, and the oil and water filtered in the receiving and conveying process is sent to the slurry pool 4; the filtered material is delivered to a bulk material classifier 2 by a bottom screw. The big material sorting machine 2 sorts big materials, the big material sorting machine 2 sorts out big materials such as plastic bottles, pop-top cans and glass bottles in the materials, the big materials are conveyed into a collecting area through an impurity conveying screw, and the sorted organic materials are conveyed into an extruder 3. The extruder 3 strongly extrudes the organic materials to squeeze out the liquid in the organic materials, the liquid phase material automatically flows into the slurry pool 4 through a pipeline, and the extruded solid phase material is conveyed into the corresponding collecting area by the screw conveyor. According to the invention, the kitchen waste is subjected to high-efficiency solid-liquid separation by adopting the modes of filtering, sorting large substances and extruding, and the original water content of the kitchen waste after treatment can be reduced to 60% from about 80%.
As shown in fig. 3, in the above embodiment, preferably, a water filtering device, preferably a filter screen, is disposed at the bottom of the garbage receiving hopper 11 of the receiving bin 1, the filter screen performs preliminary separation on the received kitchen garbage and conveys the filtered filtrate to the slurry pool 4 through a pipeline, the bulk material sorting machine 2 further filters the materials during the process of sorting the kitchen garbage, and the filtrate is conveyed to the slurry pool 4 through a pipeline.
In the above embodiment, preferably, the hopper bottom conveying screw 12 of the receiving bin 1 is arranged obliquely from low to high, and the outer diameter of the conveying screw blade 121 of the hopper bottom conveying screw 12 is 460 mm, and the inner diameter is 100 mm, so as to ensure the conveying amount.
In the above embodiment, preferably, the discharge port end of the hopper bottom conveying screw 12 is provided with a carbon steel pipe 122, so as to prevent the materials from flowing into subsequent equipment without water filtration due to excessive instantaneous material amount during the unloading of the kitchen garbage truck. The carbon steel tube 122 preferably has a length of 500 mm, an inner diameter of 480 mm, and a thickness of 10 mm.
As shown in fig. 4 to 6, in the above embodiment, preferably, the extruder 3 includes the screen 31 and the screw shaft 32, the screen 31 is rolled into a cylindrical structure, the screw shaft 32 is coaxially disposed inside the screen 31 structure, the screw shaft 32 includes the stainless steel ring 321 and the extrusion screw blade 322, and the extrusion screw blade 322 is welded on the surface of the stainless steel ring 321. Preferably, the stainless steel ring 321 is a stainless steel plate coated with low alloy steel, the stainless steel plate is 304 in material and 3 mm in thickness, the stainless steel plate is welded on the alloy steel shaft in a ring shape, the width of the ring is not more than 30 mm, and the discharge end of the stainless steel ring 321 is welded with wear-resistant alloy steel ZG40 CrMnMoNiRe. The extrusion screw blade 322 is preferably made of stainless steel 304, and the thickness of the blade is 20-40 mm.
In the above embodiment, as shown in fig. 7 and 8, preferably, the screen 31 comprises a first section screen 311 at the material input end and a second section screen 312 at the material output end, the mesh of the first section screen 311 is 20 × 8 mm, the mesh of the second section screen 312 is 20 × 5 mm, the distance between the meshes is 10 mm, the distance between the mesh area of the first section screen 311 and the edge is 22 mm, the distance between the mesh area of the second section screen 312 and the edge is 20 mm, the first section screen 311 is mainly used for filtering, and the second section screen 312 is mainly used for filtering and squeezing, thus the design can extremely improve the squeezing efficiency.
As shown in fig. 9, in the above embodiment, preferably, the radius of the stainless steel circular ring 321 is gradually increased from the material input end to the material output end, preferably gradually increased from 50 mm to 80 mm, and the width of the corresponding extrusion helical blade 322 is gradually decreased from the material input end to the material output end, preferably gradually increased from 51 mm to 24 mm, and the change size is not less than 20 mm, so as to meet the torque requirement generated by mechanical extrusion.
As shown in fig. 10, in the above embodiment, it is preferable that the slurry tank 4 is of a concrete structure, the inner surface of the slurry tank 4 is provided with an anticorrosive layer, the bottom of the slurry tank 4 is provided with a pump pit 44, the bottom surface of the slurry tank 4 is provided with a slope having an inclination angle of more than 2 ° to the pump pit 44, the helico-centrifugal pump 42 is disposed in the pump pit 44, and the stirrer 41 is disposed at the top of the slurry tank 4.
In the above embodiment, preferably, the slurry tank 4 further comprises a submerged static pressure liquid level meter 43, the submerged static pressure liquid level meter 43 is used for detecting the liquid level height in the slurry tank 4, the liquid level meter adopts a two-wire static pressure liquid level meter, the liquid level meter is fixed by a sleeve, and the liquid level meter is 100 mm away from the bottom of the pit so as to ensure the measurement requirement.
Wherein, the submerged static pressure liquid level meter 43 is respectively linked with the stirrer 41 and the extruder 3, the extruder 3 is forbidden to operate when the liquid level in the slurry pool 4 is higher than the preset high limit liquid level, and the stirrer 41 is forbidden to operate when the liquid level in the slurry pool 4 is lower than the preset low limit liquid level. Preferably, the level gauge sets the lower limit level to 400 mm from the bottom of the slurry tank 4 and the upper limit level to 100 mm from the top of the tank. Furthermore, the submerged static pressure liquid level meter 43 performs interlocking control with the centrifugal screw pump 42, and when the liquid level measured by the liquid level meter is about 200 mm away from the bottom of the tank, the centrifugal screw pump 42 is prohibited from starting, and if the centrifugal screw pump 42 is running at this time, the centrifugal screw pump 42 is stopped from running.
As shown in fig. 11 and 12, in the above embodiment, it is preferable that the stirrer 41 is designed to have a large flow rate, the stirring blades 411 are shaped in a special shape, the stirring blades 411 are designed to have unequal cross sections and unequal thicknesses, three stirring blades 411 are arranged within a range of 360 °, and an included angle between the stirring blades 411 is 120 ° to ensure that the stirrer 41 has a large plug flow rate, a low rotation speed, and a smooth operation.
As shown in fig. 13, it is preferable that the screw centrifugal pump 42 adopts a coupling installation structure, a positioning guide rod is arranged, and an installation base is arranged to be coupled with the screw centrifugal pump 42. Because the solid content of the materials in the slurry pool 4 is 10-15%, the rotor blade 421 of the screw centrifugal pump 42 adopts a special design, the front half part of the rotor blade 421 is a spiral body, and the rear half part is a centrifugal blade, so as to meet the material conveying requirements.
According to the solid-liquid separation system for the kitchen waste provided by the embodiment, in the operation process, the solid-liquid separation system comprises the following steps:
the method comprises the following steps: the kitchen waste truck discharges kitchen waste materials into a material receiving bin 1, the material receiving bin 1 is provided with a water filtering device for filtering liquid of the kitchen waste, and filtrate flows into a slurry pool 4 through a pipeline;
step two: kitchen garbage after drainage is sent into bulky material sorter 2 through the bottom of the bucket spiral, and the impurity of bulky material sorter 2 in with kitchen garbage is got rid of for example: glass bottles, plastic bottles, cloth pieces and other impurities;
step three: the materials sorted by the big material sorter 2 are sent into an extruder 3, organic materials are strongly extruded to remove water in the kitchen waste, after the materials are extruded by the extruder 3, solid-phase materials are sent into a waste incineration plant for incineration treatment, and liquid-phase materials are sent into a slurry tank 4 to be mixed with filtrate of the receiving bin 1 and the big material sorter 2;
step four: the stirrer 41 arranged in the slurry pool 4 uniformly mixes the materials in the slurry pool 4, and the materials are conveyed to a subsequent system by adopting a spiral centrifugal pump 42.
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 (10)
1. The utility model provides a kitchen garbage solid-liquid separation system which characterized in that includes: the device comprises a receiving bin, a large material sorting machine, an extruding machine and a slurry pool;
the receiving bin comprises a garbage receiving hopper and a hopper bottom conveying screw, the garbage receiving hopper is used for receiving kitchen garbage, and the hopper bottom conveying screw is used for conveying the kitchen garbage to the large substance sorting machine;
the large-substance sorting machine classifies the kitchen waste according to the type and size of the kitchen waste, outputs the classified recyclable matters and inorganic matters and conveys the classified organic matters to the extruding machine;
the extruder extrudes the organic matter, outputs the solid-phase material for further treatment, and conveys the liquid-phase material to the slurry pool;
the slurry tank is internally provided with a stirrer and a spiral centrifugal pump, the stirrer uniformly mixes materials in the slurry tank, and the spiral centrifugal pump conveys liquid-phase materials to a subsequent treatment system.
2. The solid-liquid separation system for kitchen waste according to claim 1, wherein a water filtering device is arranged in the material receiving bin, the water filtering device is used for preliminarily separating the received kitchen waste and conveying filtered filtrate to the slurry pool through a pipeline, and the large substance separator conveys the classified liquid-phase material to the slurry pool in the process of classifying the kitchen waste.
3. The solid-liquid separation system for kitchen waste according to claim 1 or 2, characterized in that a hopper bottom conveying screw of the receiving bin is arranged from low to high in an inclined manner, and the outer diameter of a conveying screw blade of the hopper bottom conveying screw is 460 mm and the inner diameter of the conveying screw blade is 100 mm.
4. The solid-liquid separation system for kitchen waste according to claim 3, characterized in that a carbon steel pipe is arranged at the discharge port end of the hopper bottom conveying screw, the length of the carbon steel pipe is 500 mm, the inner diameter of the carbon steel pipe is 480 mm, and the thickness of the carbon steel pipe is 10 mm.
5. The kitchen waste solid-liquid separation system according to claim 1, wherein the extruder comprises a screen and a screw shaft, the screen is rolled into a cylindrical structure, the screw shaft is coaxially arranged inside the screen structure and comprises a stainless steel circular ring and an extrusion spiral blade, and the extrusion spiral blade is welded on the surface of the stainless steel circular ring.
6. The solid-liquid separation system for kitchen waste according to claim 5, characterized in that the radius of the stainless steel circular ring gradually increases from the material input end to the material output end, the width of the corresponding extrusion helical blade gradually decreases from the material input end to the material output end, and the variation size is not less than 20 mm.
7. The solid-liquid separation system for kitchen waste according to claim 5, wherein the screen mesh comprises a first section of screen mesh at the material input end and a second section of screen mesh at the material output end, the first section of screen mesh has a mesh size of 20 × 8 mm, the second section of screen mesh has a mesh size of 20 × 5 mm, and the distance between the mesh sizes is 10 mm.
8. The kitchen waste solid-liquid separation system according to claim 1, further comprising a submerged static pressure liquid level meter in the slurry pool, wherein the submerged static pressure liquid level meter is used for detecting the liquid level height in the slurry pool, the submerged static pressure liquid level meter is respectively in linkage control with the stirrer and the extruder, the extruder is forbidden to operate when the liquid level in the slurry pool is higher than a preset high limit liquid level, and the stirrer is forbidden to operate when the liquid level in the slurry pool is lower than a preset low limit liquid level.
9. The kitchen waste solid-liquid separation system according to claim 1 or 8, wherein the slurry pool is of a concrete structure, an anticorrosive layer is arranged on the inner surface of the slurry pool, a pump pit is arranged at the bottom of the slurry pool, a slope with an inclination angle larger than 2 degrees is arranged on the surface of the bottom of the slurry pool towards the pump pit, the screw centrifugal pump is arranged in the pump pit, and the stirrer is arranged at the top of the slurry pool.
10. The kitchen waste solid-liquid separation system according to claim 9, wherein the stirrer adopts stirring blades with unequal cross sections and unequal thicknesses, the screw centrifugal pump adopts a coupling installation structure, the front half part of the rotor blade of the screw centrifugal pump is a spiral body, and the rear half part of the rotor blade of the screw centrifugal pump is a centrifugal blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010130410.3A CN111408603A (en) | 2020-02-28 | 2020-02-28 | Solid-liquid separation system for kitchen waste |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010130410.3A CN111408603A (en) | 2020-02-28 | 2020-02-28 | Solid-liquid separation system for kitchen waste |
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| CN111408603A true CN111408603A (en) | 2020-07-14 |
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| CN202010130410.3A Pending CN111408603A (en) | 2020-02-28 | 2020-02-28 | Solid-liquid separation system for kitchen waste |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114505232A (en) * | 2022-02-28 | 2022-05-17 | 杭州师范大学钱江学院 | Garbage classification device and method suitable for machine tool workshop |
-
2020
- 2020-02-28 CN CN202010130410.3A patent/CN111408603A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114505232A (en) * | 2022-02-28 | 2022-05-17 | 杭州师范大学钱江学院 | Garbage classification device and method suitable for machine tool workshop |
| CN114505232B (en) * | 2022-02-28 | 2022-11-25 | 杭州师范大学钱江学院 | Garbage classification device and method suitable for machine tool workshop |
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