CN216521686U - Industrial treatment device for kitchen garbage - Google Patents
Industrial treatment device for kitchen garbage Download PDFInfo
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- CN216521686U CN216521686U CN202123141161.7U CN202123141161U CN216521686U CN 216521686 U CN216521686 U CN 216521686U CN 202123141161 U CN202123141161 U CN 202123141161U CN 216521686 U CN216521686 U CN 216521686U
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Abstract
The utility model provides a kitchen waste industrial treatment device, comprising: the screw extruder is used for extruding and solid-liquid separating kitchen waste; the pyrolysis furnace is connected with the screw extruder to pyrolyze the solid kitchen garbage to generate pyrolysis gas and coke, and a furnace body heating sleeve is arranged on the surface of the pyrolysis furnace; the incinerator is respectively connected with the pyrolysis furnace and the furnace body heating sleeve, and smoke generated by combustion of pyrolysis gas in the pyrolysis furnace flows into the furnace body heating sleeve to heat the pyrolysis furnace; and the waste liquid treatment system is connected with the screw extruder to carry out fermentation treatment on the liquid kitchen waste. The utility model has the beneficial effects that: the method of hydrothermal treatment, low-temperature pyrolysis, anaerobic fermentation, gas incineration and the like is comprehensively used, so that the full resource utilization of the kitchen garbage is realized; the garbage treatment mode of low-temperature pyrolysis avoids the effect of gas pollution; the device has the advantages of short treatment time, high efficiency, energy conservation, environmental protection and simple structure.
Description
Technical Field
The utility model relates to the technical field of garbage treatment, in particular to a kitchen garbage industrial treatment device.
Background
With the continuous improvement of the living standard of people, China gradually becomes one of the countries with the highest domestic waste treatment pressure, and domestic waste produced in many big cities every day is about 4000t, wherein the kitchen waste accounts for about 50%. Compared with other garbage, the kitchen garbage has the characteristics of high moisture, organic matter, grease and salt content, easy decay, rich nutrient elements and the like. Most of the kitchen wastes in China are still directly burned or buried at present, so that the organic matters are wasted greatly, the urban land is occupied, and the problems of environmental pollution and resource waste are caused.
In the existing kitchen waste treatment mode, for example, chinese patent CN20151064242 discloses a kitchen waste hydrolysis treatment device and a treatment process thereof, the kitchen waste is treated by a hydrolysis process, but the kitchen waste treated by the hydrolysis process is not treated and reused, so that resource waste is caused; for another example, chinese patent CN20162060059 discloses a comprehensive household garbage recycling system, which comprises a sorting and crushing device, an anaerobic fermentation tank, and a dry distillation pyrolysis furnace; the kitchen waste is directly introduced into the dry distillation pyrolysis furnace, and the kitchen waste hydrothermal carbonization process is lacked, so that the resource utilization rate of the kitchen waste is reduced, and the reduction effect is poor.
SUMMERY OF THE UTILITY MODEL
In view of the above, in order to overcome the above disadvantages of the conventional kitchen waste treatment method, an embodiment of the present invention provides a factory kitchen waste treatment apparatus.
An embodiment of the present invention provides a kitchen waste industrial processing apparatus, including:
the screw extruder is used for extruding and carrying out solid-liquid separation on the kitchen waste;
the pyrolysis furnace is connected with the screw extruder to pyrolyze the solid kitchen garbage to generate pyrolysis gas and coke, and a furnace body heating sleeve is arranged on the surface of the pyrolysis furnace;
the incinerator is respectively connected with the pyrolysis furnace and the furnace body heating sleeve, and smoke generated by combustion of pyrolysis gas in the pyrolysis furnace flows into the furnace body heating sleeve to heat the pyrolysis furnace;
and the waste liquid treatment system is connected with the screw extruder to carry out fermentation treatment on the liquid kitchen waste.
Further, the device also comprises a crusher, a hydraulic pump and a hydrothermal reactor which are connected in sequence; the input end of the hydrothermal reactor is provided with a one-way valve, the output end of the hydrothermal reactor is connected with the screw extruder, and the one-way valve is opened when the output pressure of the hydraulic pump reaches the set pressure.
Furthermore, a plurality of reaction tubes are arranged in the hydrothermal reactor, the number of the one-way valves is multiple, and one-way valve is arranged at the lower end of each reaction tube.
Further, the surface of the hydrothermal reactor is sleeved with a reactor heating sleeve.
Further, still include the coke oven, the pyrolysis oven bottom is equipped with the ejection of compact flood dragon, the ejection of compact flood dragon is connected the coke oven.
Furthermore, the incinerator is provided with a heat accumulator, the heat accumulator is provided with a coal gas inlet and an air inlet, and the heat accumulator is further connected with the furnace body heating jacket and used for introducing the smoke in the incinerator into the furnace body heating jacket and preheating the air flowing into the air inlet through the smoke.
Further, the waste liquid treatment system comprises a vertical condenser, an anaerobic pool and an anaerobic fermentation tank; wherein the content of the first and second substances,
the vertical condenser is connected with the screw extruder and is used for receiving and cooling liquid kitchen waste;
the anaerobic tank is connected with the vertical condenser and is used for pre-fermenting and acidifying the liquid kitchen waste;
the anaerobic fermentation tank is connected with the anaerobic tank and is used for fermenting the acidified liquid kitchen waste to generate methane.
Further, the anaerobic fermentation tank is connected with the coal gas inlet so as to introduce methane into the incinerator.
The technical scheme provided by the embodiment of the utility model has the following beneficial effects:
1. the kitchen waste is treated by combining hydrothermal and low-temperature pyrolysis, solid kitchen waste in the kitchen waste is pyrolyzed, smoke generated by combustion of pyrolysis gas supplies heat for pyrolysis of the solid kitchen waste, and meanwhile, the liquid kitchen waste of the kitchen waste is subjected to anaerobic fermentation treatment, and the methods of hydrothermal treatment, low-temperature pyrolysis, anaerobic fermentation, gas incineration and the like are comprehensively used, so that the full resource utilization of the kitchen waste is realized.
2. Compared with the main method of burning and burying kitchen waste, the method has the advantages that the waste treatment mode of low-temperature pyrolysis avoids the effect of gas pollution, and the kitchen waste can be greatly reduced and highly recycled.
3. The device has the advantages of short treatment time, high efficiency, energy conservation, environmental protection and simple structure.
Drawings
FIG. 1 is a schematic view of a factory-like kitchen waste treatment apparatus according to the present invention;
FIG. 2 is a schematic diagram of the hydraulic pump and hydrothermal reactor of FIG. 1;
FIG. 3 is a schematic view showing a flow of industrial kitchen waste treatment by the kitchen waste treatment apparatus of the present invention.
In the figure: 1-crusher, 2-hydraulic pump, 201-bunker, 202-push rod, 3-hydrothermal reactor, 301-reactor heating jacket, 302-reaction tube, 4-one-way valve, 5-screw extruder, 6-pyrolysis furnace, 601-furnace body heating jacket, 602-discharging dragon, 7-incinerator, 701-heat accumulator, 8-vertical condenser, 9-anaerobic tank, 10-anaerobic fermentation tank, 11-coke box and 12-conveying tube.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be further described with reference to the accompanying drawings. The following presents a simplified summary of the utility model in order to provide a basic understanding of the utility model and to provide a basic understanding of the utility model.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, an embodiment of the present invention provides an industrial kitchen waste treatment device, which includes a crusher 1, a hydraulic pump 2, a hydrothermal reactor 3, a screw extruder 5, a pyrolysis furnace 6, an incinerator 7, a coke box 11, and a waste liquid treatment system.
The crusher 1 is placed at the garbage feeding port, and the crusher 1 crushes kitchen garbage fed from the garbage feeding port.
As shown in fig. 2, the hydrothermal reactor 3 is connected to the discharge port of the crusher 1 through the hydraulic pump 2. Specifically, the hydraulic pump 2 includes a bin 201 and a push rod 202 slidably disposed in the bin 201, the middle of the bin 201 is connected to the discharge port of the crusher 1 through a feed delivery pipe 12, and the front end of the bin 201 is connected to the hydrothermal reactor 3.
The hydrothermal reactor 3 is vertically arranged, a reactor heating jacket 301 is sleeved on the surface of the hydrothermal reactor 3, and the hydrothermal reactor 3 can be heated through the reactor heating jacket 301. And the lower end of the hydrothermal reactor 3 is connected with the front end of the storage bin 201, and the lower end of the hydrothermal reactor 3 is provided with a one-way valve 4. Here, the hydrothermal reactor 3 is provided with a plurality of reaction tubes 302 therein, the number of the check valves 4 is set to be plural, one check valve 4 is installed at a lower end of each reaction tube 302, the check valve 4 is opened when the output pressure of the hydraulic pump 2 reaches a set pressure, and each check valve 4 controls the opening and closing of one reaction tube 302. If the pressure of the hydraulic pump 2 is set to be about 2.5Mpa at the inlet and 2Mpa at the outlet, the pressure of the kitchen waste entering the hydrothermal reactor 3 can be all 2Mpa, and when the pressure of the outlet of the hydraulic pump 2 reaches 2Mpa, the check valve 4 is opened, and the kitchen waste enters the hydrothermal reactor 3.
The upper end of the hydrothermal reactor 3 is a discharge end, the screw extruder 5 is connected with the upper end of the hydrothermal reactor 3 and used for receiving the kitchen waste output by the hydrothermal reactor 3 and extruding the kitchen waste for solid-liquid separation, namely solid kitchen waste and liquid kitchen waste are separated, and then the solid kitchen waste and the liquid kitchen waste are respectively treated.
The pyrolysis furnace 6 is connected with the screw extruder 5 through a pipeline and is used for receiving solid kitchen waste. The pyrolysis furnace can be made into various shapes, and the pyrolysis furnace 6 is designed into a long tube shape as in the embodiment, so that the pyrolysis furnace has the advantages of reducing the occupied area and improving the pyrolysis efficiency.
The surface of the pyrolysis furnace 6 is provided with a furnace body heating jacket 601. The inner cavity of the pyrolysis furnace 6 is made of heat insulation materials, the furnace body heating sleeve 601 is made of heat conduction materials, and high-temperature gas is introduced into the furnace body heating sleeve 601 to heat the interior of the pyrolysis furnace 6 to keep the pyrolysis temperature. The solid kitchen waste is pyrolyzed at the pyrolysis temperature to produce pyrolysis gas and coke. 6 bottoms of pyrolysis oven are equipped with ejection of compact flood dragon 602, ejection of compact flood dragon 602 connects coke box 11. Discharging auger 602 will the coke that produces in the pyrolysis furnace 6 is carried to in the coke box 11, coke box 11 uses thermal-insulated sealing material, and the contact of isolated coke and air makes its cooling simultaneously. The coke is then transported out and converted to biochar by a subsequent series of treatments.
The incinerator 7 is respectively connected with the pyrolysis furnace 6 and the furnace body heating jacket 601 through pipelines, pyrolysis gas generated in the pyrolysis furnace 6 is directly discharged into the incinerator 7 and is combusted in the incinerator 7, then generated flue gas is conveyed into the furnace body heating jacket 601, and the flue gas carries a large amount of heat to heat the pyrolysis furnace 6.
More specifically, the incinerator 7 is provided with a heat accumulator 701, which is specifically a honeycomb ceramic heat accumulator. The heat accumulator 701 is provided with a coal gas inlet and an air inlet, and the heat accumulator 701 is further connected with the furnace body heating jacket 601 to introduce the flue gas in the incinerator 7 into the furnace body heating jacket 601 and preheat the air flowing in from the air inlet when the flue gas flows out. The heat accumulator 701 exchanges heat between cold air and high-temperature flue gas after combustion, and the amount of coal gas is reduced. The gas inlet sprays proper amount of gas to make the pyrolysis gas be more fully burned, the temperature of the inner cavity of the incinerator 7 is maintained at proper temperature, and the generation of thermal NOx and air pollution are prevented.
The waste liquid treatment system is used for fermenting and treating liquid kitchen waste. Specifically, the waste liquid treatment system comprises a vertical condenser 8, an anaerobic tank 9 and an anaerobic fermentation tank 10. The vertical condenser 8 is connected with the screw extruder 5 through a pipeline and used for receiving liquid kitchen waste and cooling the liquid kitchen waste. The anaerobic tank 9 is connected with the vertical condenser 8 through a pipeline, and the anaerobic fermentation tank 10 is connected with the anaerobic tank 9 through a pipeline. The cooled liquid kitchen waste is pre-fermented in the anaerobic tank 9, the pH value is adjusted, and acidification treatment is carried out; then the acidified liquid kitchen waste is introduced into the anaerobic fermentation tank 10 to be fermented to generate methane.
In addition, the anaerobic fermentation tank 10 is connected with the coal gas inlet through a pipeline so as to introduce methane into the incinerator 7, provide auxiliary fuel gas for the incinerator and realize the recycling of liquid kitchen garbage.
Referring to fig. 1 and 3, the working process of the industrial kitchen waste treatment device is as follows:
and putting the kitchen garbage transported to a factory into a garbage feeding hole, crushing the garbage by the crusher 1 primarily, and then flowing into a storage bin of the hydrothermal reactor 3. When the outlet pressure of the hydraulic pump 2 reaches the set pressure, the one-way valve 4 is opened, and the kitchen waste is pumped into the hydrothermal reactor 3. The kitchen waste is heated to about 200 ℃ to perform sufficient hydrothermal reaction when passing through the hydrothermal reactor. After dehydration and extrusion by the screw extruder 5, the solid kitchen waste and the liquid kitchen waste are separated.
The solid kitchen garbage enters the pyrolysis furnace 6 for pyrolysis, and the combustion heat of the coal gas in the heating sleeve 601 is used for heating the inner cavity of the pyrolysis furnace 6 until the temperature reaches 500 ℃. The pyrolysis gas is mainly micromolecular combustible gas and enters the incinerator 7 together with the gasified pyrolysis oil through a hot flue gas outlet. The solid product is mainly coke, and is transported to the coke box 11 through the discharging auger 602 for sealing and cooling, and then is transported out for treatment and utilization. Outside air enters the regenerator 701 and is initially heated with gas to 400 c hot air entering the combustion chamber through hot air jets. The gas inlet sprays the gas and the pyrolysis gas into the combustion chamber, and the gas and the pyrolysis gas are fully mixed with hot air. When the temperature reaches 1000 ℃, the pyrolysis gas and the gasified pyrolysis oil are fully combusted to form high-temperature flue gas at 1000 ℃. High-temperature flue gas enters the heat accumulator 701 through a pipeline, and cold air entering from an air inlet becomes hot air by absorbing heat of the cold air, so that coal gas is not needed for heating. When the high-temperature flue gas flows out of the heat accumulator, the temperature is about 800 ℃, and the high-temperature flue gas is introduced into the furnace body heating sleeve 601 to provide heat for pyrolysis, so that the cyclic utilization of the high-temperature flue gas is realized.
The liquid kitchen waste is introduced into the vertical condenser 8 from the liquid discharge port for heat exchange and cooling. The liquid kitchen waste is cooled in the vertical condenser 8 and then is introduced into the anaerobic tank 9 to be pre-fermented with anaerobic fungi, and the pH value of the liquid kitchen waste is adjusted. Then flows into the anaerobic fermentation tank 10 for final fermentation to generate methane, and the methane is introduced into the incinerator to provide auxiliary fuel gas for the incinerator.
In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that they are relative concepts that may be modified in various manners of use and placement and that the use of directional terms should not be taken to limit the scope of what is claimed.
The features of the embodiments and embodiments described herein above may be combined with each other without conflict.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. A kitchen garbage industrial treatment device is characterized by comprising:
the screw extruder is used for extruding and carrying out solid-liquid separation on the kitchen waste;
the pyrolysis furnace is connected with the screw extruder to pyrolyze the solid kitchen garbage to generate pyrolysis gas and coke, and a furnace body heating sleeve is arranged on the surface of the pyrolysis furnace;
the incinerator is respectively connected with the pyrolysis furnace and the furnace body heating sleeve, and smoke generated by combustion of pyrolysis gas in the pyrolysis furnace flows into the furnace body heating sleeve to heat the pyrolysis furnace;
and the waste liquid treatment system is connected with the screw extruder to carry out fermentation treatment on the liquid kitchen waste.
2. The industrial processing device for kitchen waste as claimed in claim 1, characterized in that: the device also comprises a crusher, a hydraulic pump and a hydrothermal reactor which are connected in sequence; the input end of the hydrothermal reactor is provided with a one-way valve, the output end of the hydrothermal reactor is connected with the screw extruder, and the one-way valve is opened when the output pressure of the hydraulic pump reaches the set pressure.
3. The industrial processing device for kitchen waste as claimed in claim 2, characterized in that: the hydrothermal reactor is internally provided with a plurality of reaction tubes, the number of the one-way valves is set to be a plurality, and the lower end of each reaction tube is provided with one-way valve.
4. The industrial processing device for kitchen waste as claimed in claim 2, characterized in that: the surface of the hydrothermal reactor is sleeved with a reactor heating sleeve.
5. The industrial processing device for kitchen waste as claimed in claim 1, characterized in that: still include the coke oven, the pyrolysis oven bottom is equipped with the ejection of compact flood dragon, the ejection of compact flood dragon is connected the coke oven.
6. The industrial processing device for kitchen waste as claimed in claim 1, characterized in that: the incinerator is provided with a heat accumulator, the heat accumulator is provided with a coal gas inlet and an air inlet, and the heat accumulator is further connected with the furnace body heating jacket and used for introducing the smoke in the incinerator into the furnace body heating jacket and preheating the air flowing in from the air inlet through the smoke.
7. The industrial processing device for kitchen waste as claimed in claim 6, characterized in that: the waste liquid treatment system comprises a vertical condenser, an anaerobic pool and an anaerobic fermentation tank; wherein the content of the first and second substances,
the vertical condenser is connected with the screw extruder and is used for receiving and cooling liquid kitchen waste;
the anaerobic tank is connected with the vertical condenser and is used for pre-fermenting and acidifying the liquid kitchen waste;
the anaerobic fermentation tank is connected with the anaerobic tank and is used for fermenting the acidified liquid kitchen waste to generate methane.
8. The industrial processing device for kitchen waste as claimed in claim 7, characterized in that: the anaerobic fermentation tank is connected with the coal gas inlet so as to introduce methane into the incinerator.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202123141161.7U CN216521686U (en) | 2021-12-14 | 2021-12-14 | Industrial treatment device for kitchen garbage |
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| CN202123141161.7U CN216521686U (en) | 2021-12-14 | 2021-12-14 | Industrial treatment device for kitchen garbage |
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| CN216521686U true CN216521686U (en) | 2022-05-13 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115557515A (en) * | 2022-10-24 | 2023-01-03 | 上海工程技术大学 | Comprehensive utilization system and method for kitchen waste hydrothermal carbonization-anaerobic digestion |
| CN117417968A (en) * | 2023-10-13 | 2024-01-19 | 南京鑫启源科技有限公司 | Deep disposal method and system for recycling kitchen waste |
-
2021
- 2021-12-14 CN CN202123141161.7U patent/CN216521686U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115557515A (en) * | 2022-10-24 | 2023-01-03 | 上海工程技术大学 | Comprehensive utilization system and method for kitchen waste hydrothermal carbonization-anaerobic digestion |
| CN117417968A (en) * | 2023-10-13 | 2024-01-19 | 南京鑫启源科技有限公司 | Deep disposal method and system for recycling kitchen waste |
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