CN211134920U - Kitchen garbage impurity separation system - Google Patents
Kitchen garbage impurity separation system Download PDFInfo
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- CN211134920U CN211134920U CN201921344426.3U CN201921344426U CN211134920U CN 211134920 U CN211134920 U CN 211134920U CN 201921344426 U CN201921344426 U CN 201921344426U CN 211134920 U CN211134920 U CN 211134920U
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Abstract
The utility model discloses a kitchen garbage impurity separation system, include: hydraulic breaking pulping equipment, a light garbage conveyor, a slurry conveying pump, a heavy garbage conveyor and an extruder; the hydraulic breaking pulping equipment comprises a light garbage outlet, a middle slurry outlet and a heavy garbage outlet, wherein the light garbage outlet of the hydraulic breaking pulping equipment is connected with a light garbage conveyor, the middle slurry outlet of the hydraulic breaking pulping equipment is connected with a slurry conveying pump, and the heavy garbage outlet of the hydraulic breaking pulping equipment is connected with a heavy garbage conveyor; the light garbage conveyor is connected with the extruder. The system has no mechanical crushing and sorting links, and has the advantages of less impurities, high purity and high recycling efficiency. The problem of current kitchen garbage pre treatment facility loaded down with trivial details is solved.
Description
Technical Field
The utility model belongs to the kitchen garbage field of handling especially relates to a kitchen garbage impurity separation system.
Background
In 8 months in 2011, related departments such as national development and modification committee, finance department, housing, urban and rural construction department start resource utilization of food waste and harmless treatment of city test points, 5 batches of 100 food waste treatment test point cities (regions) are disclosed successively, and 32 provincial administrative regions are covered. After the research of the years, the domestic food waste treatment technology gradually changes from 'full introduction' to 'digestion and absorption innovation' stage, and gradually returns to the food waste treatment technology research and development and equipment manufacturing which accord with the national conditions of China.
Through the development of the last decade, the domestic process technology in the field of food waste treatment is developed from early stage of landfill, incineration and direct drying as feed to the present stage, and is suitable for small-scale microbial treatment technology/aerobic composting and large-scale anaerobic digestion technology.
At present, most (about 90%) of domestic food waste treatment projects adopt anaerobic biogas production processes, the anaerobic processes are developed for many years and basically mature, a plurality of established related projects are basically stable through continuous exploration, the biogas generation amount is also ensured to a certain extent, but the problems of poor raw material quality, low impurity removal efficiency, unstable operation effect and the like generally exist in the treatment process.
Chinese utility model patent "system of kitchen garbage preliminary treatment" (CN110014018A), publication date 2019, 7 months 16 days, discloses system of kitchen garbage preliminary treatment, including filter equipment, coarse crushing device, smart breaker, three-phase separator, wherein coarse crushing, smart breaker are hammer crusher. Because this type of breaker hammer leaf belongs to the vulnerable consumptive material, needs the change hammer leaf of unscheduled, consequently maintains that the maintenance is comparatively loaded down with trivial details.
The chinese utility model patent "a kitchen garbage screen clean slurrying system and slurrying technology" (CN106311721B), the grant bulletin date 2018, 6 months 12 days, discloses a kitchen garbage screen clean slurrying system, including equipment such as breaker, pulping machine wherein. The process is provided with crushing and screening links before pulping, and has long process chain and complex working procedures.
The chinese utility model patent "novel kitchen garbage pretreatment system and treatment method", publication No. 2018, No. 11, No. 27, discloses a novel kitchen garbage pretreatment system and treatment method. The method comprises the steps of arranging a solid-liquid separation device, a roller sorting machine, a metal detector, a shredder, a small roller sorting machine and the like, wherein the solid-liquid separation device is a shaftless spiral conveyor which is similar to an inclined structure, solid substances are conveyed from bottom to top, and liquid flows out through a filter screen at the lower part by virtue of gravity. The process has the advantages of multiple devices, long flow and more complicated operation procedures.
At present, in the field of food waste treatment, the existing impurity removal pulping system is relatively complex, so that the development of a new food waste pretreatment system is particularly necessary.
SUMMERY OF THE UTILITY MODEL
The utility model provides a kitchen garbage impurity piece-rate system, this system have adopted water conservancy to explain the slurrying, utilize the broken separation of water conservancy slurrying, both broken kitchen garbage, have also carried out the separation with light heavy rubbish. The system has no mechanical crushing and sorting links, and has the advantages of less impurities, high purity and high recycling efficiency. The problem of current kitchen garbage pretreatment system loaded down with trivial details is solved.
In order to solve the above problem, the technical scheme of the utility model is that:
a kitchen waste impurity separation system comprises: hydraulic breaking pulping equipment, a light garbage conveyor, a slurry conveying pump, a heavy garbage conveyor and an extruder;
the hydraulic breaking pulping equipment comprises a light garbage outlet, an intermediate slurry outlet and a heavy garbage outlet, wherein the light garbage outlet of the hydraulic breaking pulping equipment is connected with the light garbage conveyor, the intermediate slurry outlet of the hydraulic breaking pulping equipment is connected with the slurry conveying pump, and the heavy garbage outlet of the hydraulic breaking pulping equipment is connected with the heavy garbage conveyor; the light garbage conveyor is connected with the extruder;
the light garbage mainly comprises textile, plastics and fibers in the kitchen garbage, and is extruded and dehydrated after being output;
the intermediate slurry is mainly kitchen food slurry, easily-corroded vegetables, fruits, peels and the like, and is subjected to resource treatment;
the heavy garbage is mainly inorganic heavy matters such as sand stones, metals, glass, bones, shells and the like, and is subjected to landfill treatment.
Preferably, the hydraulic breaking pulping equipment is a vertical hydraulic pulping machine, the diameter of a rotor at the bottom of the hydraulic breaking pulping equipment is 700mm, and hydraulic turbulence is generated when the hydraulic breaking pulping equipment rotates at a high speed.
Preferably, the outlet of the slurry delivery pump is connected with an anaerobic pool or a horizontal screw centrifuge, and the intermediate slurry is subjected to resource treatment.
Preferably, the extruder is a horizontal waste paper packaging machine, the water content of the extruded waste paper is not more than 45%, the volume and the water content of the light garbage are reduced, and the transportation efficiency is improved.
Preferably, the light garbage conveyor is a first U-shaped groove shaftless screw conveyor.
Preferably, the heavy garbage conveyor is a second U-shaped groove shaftless screw conveyor.
The utility model discloses owing to adopt above technical scheme, make it compare with prior art and have following advantage and positive effect:
the utility model discloses use water conservancy to explain pulping equipment and carry out debris separation and slurrying to kitchen garbage. A sorting system is not needed before the working procedure, and the method is suitable for directly treating unsorted kitchen waste. The hydraulic breaking pulping simultaneously completes the breaking of organic matters in the kitchen waste and the separation of light and heavy waste, and separates the light waste such as non-degradable plastics and the like from the heavy waste such as sand stones, shells, bones and the like. The light garbage is thrown away under the action of centrifugal force and is annularly distributed on the edge of a trough body of the hydrapulper, and the heavy garbage is deposited in the center of the bottom of the trough. The heavy garbage is buried, the light garbage is output and then is extruded, resource utilization can be realized, and the intermediate slurry is subjected to subsequent resource treatment.
The utility model discloses a preferred embodiment adopts vertical hydraulic pulper, and the bottom carousel is when rotating, and the material is followed the carousel face and is from top to bottom moved, after moving the carousel top, is got rid of the edge of cell body by the carousel under the effect of centrifugal force to rise along the cell body, fall back to the carousel bottom again afterwards, form powerful water conservancy and strike and shearing action, the material produces the looks mutual friction, rubs, dissociates into tiny granule at last. Finally, the homogenized slurry is obtained, has small particles and good uniformity, and is beneficial to subsequent full anaerobic digestion; and the light garbage is thrown away under the action of centrifugal force and is annularly distributed on the edge of a tank body of the hydrapulper, the heavy garbage is deposited in the center of the bottom of the tank, and the middle slurry is in the center. Therefore, one hydraulic pulping machine can be used for crushing garbage and pulping, and simultaneously separating light garbage and heavy garbage and pulp, so that the subsequent treatment is facilitated.
Drawings
Fig. 1 is a simple flow chart of a kitchen waste impurity separation system provided by the embodiment of the utility model;
fig. 2 is a specific flow chart of the kitchen waste impurity separation system provided by the embodiment of the utility model.
Description of reference numerals: 1-hydraulic breaking pulping equipment; 2-horizontal paper shredding and packaging machine.
Detailed Description
The following describes the kitchen waste impurity separating system provided by the present invention in further detail with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more fully apparent from the following description and appended claims.
Referring to fig. 1 and 2, in one embodiment, the specific process and system for classifying the kitchen waste impurities with a treatment capacity of 100t/d is described as follows:
the kitchen waste is conveyed to the hydraulic breaking pulping equipment 1, and conventional shaftless spiral conveying equipment can be adopted for feeding. The kitchen waste is rich in sundries, the density difference of materials is large, particularly, the kitchen waste is large in viscosity, and the purpose of hydraulic breaking pulping is to separate the waste from each other by utilizing hydraulic turbulence so as to avoid adhesion together. The hydraulic breaking pulping equipment 1 adopts a vertical hydraulic pulping machine (the power is 110kw, the effective volume is 10 m) which is common in the papermaking process33000mm in diameter) for pulping, wherein the pulping time is 10-15 minutes. The vertical hydraulic pulping machine can crush the kitchen waste and can also realize the separation of light and heavy impurities;
after the pulping process is broken by waterpower, the garbage is kept stand for 10-20 minutes, and the material deposition is finished. The heavy garbage is in the center, and the light garbage is annularly distributed on the edge of the groove body. At the moment, a valve at the center of the bottom is opened firstly, heavy garbage is discharged under the action of gravity, and is output by a heavy garbage conveyor (a second U-shaped groove shaftless spiral conveyor), and then buried;
after discharging heavy garbage, the light garbage discharge valve was opened, and a light material conveyor (second U-shaped groove shaftless screw conveyor, conveying amount: 30m) was used3A five-axis spiral with a U-shaped groove diameter of 500mm), and then is extruded and packed by a horizontal paper shredder 2(YCY14-B, rated pressure of 30Mpa, processing capacity of 8-10 packets/hour), and can be recycled or incinerated; finally, the slurry discharge valve was opened, and a centrifugal pump (150 m) was used3H, lift: 27-30m) and outputting slurry, wherein the slurry is conveyed to an anaerobic pool to prepare methane, and the slurry is conveyed to a horizontal screw centrifuge to perform oil-water separation to perform oil extraction treatment.
The destination conditions of the light garbage and heavy garbage and slurry products generated after the application of the method are shown in the following table:
| specification of | Production Capacity (t/d) | Go to |
| Light garbage | 6 | Resource recovery |
| Heavy garbage | 2 | Landfill treatment |
| Intermediate slurry | 92 | Resource recovery |
| Total up to | 100 |
According to the process and the system for separating impurities from kitchen waste, firstly, the kitchen waste is hydraulically cracked to be pulped, the purpose is to utilize the characteristic that the water content of the kitchen waste is high, hydraulic impact and shearing force are used for hydraulically cracking the waste, and then centrifugal force is used for separating light and heavy impurities. Compressing and packaging the light garbage for incineration or recycling, burying the heavy garbage, and preparing methane or extracting oil from the intermediate slurry. Therefore, the process method of the embodiment has high automation degree and particularly simple process, not only can efficiently remove light impurities such as plastics and fibers mixed in the food waste, but also can remove heavy impurities such as sand, glass and metal mixed in the food waste, and the impurity separation effect is obvious.
The vertical hydraulic pulping machine common in the papermaking process is adopted in the embodiment, when the bottom rotary table rotates, materials move from top to bottom along the surface of the rotary table, and after the materials move to the upper part of the rotary table, the materials are thrown to the edge of the groove body by the rotary table under the action of centrifugal force, rise along the groove body and then fall back to the bottom of the rotary table to form strong hydraulic impact and shearing action, and the materials are mutually rubbed and kneaded and finally dissociated into fine particles. And finally, obtaining homogenized slurry, wherein the slurry is small in particle and good in uniformity, subsequent sufficient anaerobic digestion is facilitated, the light garbage is thrown away under the action of centrifugal force and annularly distributed on the edge of a tank body of the hydrapulper, the heavy garbage is deposited in the center of the bottom of the tank, and the intermediate slurry is in the center. Therefore, one hydraulic pulping machine can be used for crushing garbage and pulping, and simultaneously separating light garbage and heavy garbage and pulp, so that the subsequent treatment is facilitated. Therefore, the system for classifying the impurities in the kitchen waste is simple, not only light impurities such as plastics and fibers mixed in the food waste are efficiently removed, but also heavy impurities such as sand, glass and metal mixed in the food waste are removed, and the impurity separation effect is obvious.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments. Even if various changes are made to the present invention, the changes are still within the scope of the present invention if they fall within the scope of the claims and their equivalents.
Claims (6)
1. The utility model provides a kitchen garbage impurity piece-rate system which characterized in that includes: hydraulic breaking pulping equipment, a light garbage conveyor, a slurry conveying pump, a heavy garbage conveyor and an extruder;
the hydraulic breaking pulping equipment comprises a light garbage outlet, an intermediate slurry outlet and a heavy garbage outlet, wherein the light garbage outlet of the hydraulic breaking pulping equipment is connected with the light garbage conveyor, the intermediate slurry outlet of the hydraulic breaking pulping equipment is connected with the slurry conveying pump, and the heavy garbage outlet of the hydraulic breaking pulping equipment is connected with the heavy garbage conveyor; the light garbage conveyor is connected with the extruding machine.
2. The kitchen waste impurity separation system according to claim 1, wherein the hydraulic breaking pulping device is a vertical hydraulic pulping machine.
3. The kitchen waste impurity separation system according to claim 1, wherein an outlet of the slurry delivery pump is connected to an anaerobic tank or a horizontal screw centrifuge.
4. The kitchen waste impurity separation system of claim 1, wherein the extruder is a horizontal waste paper baler.
5. The kitchen waste impurity separation system according to claim 1, wherein the light waste conveyor is a first U-shaped groove shaftless screw conveyor.
6. The kitchen waste impurity separation system according to claim 1 or 5, wherein the heavy waste conveyor is a second U-shaped groove shaftless screw conveyor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921344426.3U CN211134920U (en) | 2019-08-19 | 2019-08-19 | Kitchen garbage impurity separation system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921344426.3U CN211134920U (en) | 2019-08-19 | 2019-08-19 | Kitchen garbage impurity separation system |
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| CN211134920U true CN211134920U (en) | 2020-07-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110538858A (en) * | 2019-08-19 | 2019-12-06 | 上海环境卫生工程设计院有限公司 | Method and system for separating impurities from kitchen waste |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110538858A (en) * | 2019-08-19 | 2019-12-06 | 上海环境卫生工程设计院有限公司 | Method and system for separating impurities from kitchen waste |
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