CN216521685U - Kitchen waste in-situ pyrolysis vehicle - Google Patents

Abstract

The utility model provides a kitchen waste in-situ pyrolysis vehicle which comprises a vehicle body and a waste treatment system, wherein the waste treatment system comprises a crusher, a sealed conveying device, a pyrolysis furnace and an incinerator; the sealed conveying device comprises a feeding pipe, a feeding port connected with the crusher is arranged in the middle of the feeding pipe, one end of the feeding pipe is connected with the pyrolysis furnace, an openable valve is arranged on one side, close to the pyrolysis furnace, of the feeding port, and a hydraulic push rod capable of moving towards and away from the valve is arranged at the other end of the feeding pipe; the pyrolysis furnace comprises an inner furnace body and a heating sleeve sleeved on the periphery of the inner furnace body; the incinerator is connected with the pyrolysis furnace to receive pyrolysis gas, and is provided with a heat accumulator, a gas nozzle and a flue gas pipeline, wherein air flows into the heat accumulator, one end of the flue gas pipeline is connected with the incinerator, and the other end of the flue gas pipeline is connected with the heating sleeve. The utility model has the beneficial effects that: the kitchen waste is treated in situ in the sealed pyrolysis vehicle, so that the emission of pollution gas is avoided, the pyrolysis gas is used for combustion and heat supply, the resource utilization and recovery are realized, and the energy is saved and the emission is reduced.

Description

Kitchen waste in-situ pyrolysis vehicle

Technical Field

The utility model relates to the technical field of garbage treatment, in particular to an in-situ digestion vehicle for kitchen garbage.

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 a large amount of organic matters are wasted and the urban land is occupied. At present, the treatment mode of kitchen waste is basically to build a kitchen waste treatment plant and collect and store the kitchen waste to the waste treatment plant for treatment nationwide. However, in areas with a small demand for kitchen waste treatment, centralized resources and mass production cannot be achieved.

SUMMERY OF THE UTILITY MODEL

In view of the above, the embodiment of the present invention provides an in-situ pyrolysis vehicle for kitchen waste, which is used for solving the above-mentioned disadvantages of the existing kitchen waste treatment technology.

The embodiment of the utility model provides a kitchen waste in-situ pyrolysis vehicle, which comprises a vehicle body and a waste treatment system carried on the vehicle body, wherein the waste treatment system comprises a crusher, a sealed conveying device, a pyrolysis furnace and an incinerator;

the crusher is used for receiving external kitchen waste and crushing the kitchen waste;

the sealed conveying device comprises a feeding pipe, a feeding port connected with the crusher is arranged in the middle of the feeding pipe, one end of the feeding pipe is connected with the pyrolysis furnace, an openable valve is arranged on one side, close to the pyrolysis furnace, of the feeding port, the other end of the feeding pipe is provided with a hydraulic push rod capable of moving towards and away from the valve, the valve is closed when the output end of the hydraulic push rod is located on one side, away from the valve, of the feeding port, and the valve is closed when the output end of the hydraulic push rod is located on one side, close to the valve, of the feeding port;

the pyrolysis furnace comprises an inner furnace body and a heating sleeve sleeved on the periphery of the inner furnace body, and high-temperature gas flows through the heating sleeve to heat the inner furnace body, so that kitchen garbage in the pyrolysis furnace is pyrolyzed to form pyrolysis gas and coke;

the incinerator is connected with the pyrolysis furnace to receive pyrolysis gas, the incinerator is provided with a heat accumulator, a gas nozzle and a flue gas pipeline, air flows into the heat accumulator, one end of the flue gas pipeline is connected with the incinerator, the other end of the flue gas pipeline is connected with the heating sleeve, the heat accumulator is arranged on the flue gas pipeline, high-temperature flue gas formed by combustion of the pyrolysis gas in the incinerator flows through the heat accumulator along the flue gas pipeline to flow to the heating sleeve, and the high-temperature flue gas exchanges heat with air in the heat accumulator to be cooled to the temperature required by pyrolysis of kitchen waste.

Further, the discharge gate department of pyrolysis oven be equipped with transport the coke the ejection of compact flood dragon and with the seal box that the ejection of compact flood dragon is connected, be equipped with the shower nozzle in the seal box, thereby the shower nozzle is used for spraying kitchen garbage pre-treated's waste liquid to the coke makes waste liquid purification, coke cooling.

Furthermore, the two ends of the incinerator are both conical head structures, and one end of the incinerator is a pyrolysis gas inlet and is connected with the inner furnace body; the other end is provided with the heat accumulator and the coal gas nozzle, and the hot air nozzle and the coal gas nozzle of the heat accumulator are arranged opposite to the pyrolysis gas inlet.

Further, the device also comprises a water vapor absorption tower arranged between the pyrolysis furnace and the incinerator, and the water vapor absorption tower is used for absorbing water vapor in pyrolysis gas.

Further, still include the tubular conveyer belt, tubular conveyer belt one end is connected the breaker, the other end is connected the feed inlet of inlet pipe.

Furthermore, the output end of the hydraulic push rod is connected with a piston, and the diameter of the piston is equal to the inner diameter of the feeding pipe.

Furthermore, the inlet pipe is close to one end of the pyrolysis furnace and is provided with a solid-liquid separation section, and the solid-liquid separation section comprises a tubular solid-liquid separation ceramic membrane, a sewage tank surrounding the tubular solid-liquid separation ceramic membrane, a preheating sleeve sleeved on the periphery of the sewage tank, and a shaftless spiral body arranged in the tubular solid-liquid separation ceramic membrane.

Further, the tubular solid-liquid separation ceramic membrane decreases in diameter in a direction away from the valve.

Further, the sealed conveying device further comprises an oil-water separation tank which is connected with the sewage tank through an oil discharge pipe.

Furthermore, an oil-water separation ceramic membrane is arranged in the middle of the oil-water separation tank, the top of the oil-water separation tank is connected with the oil storage tank, the bottom of the oil-water separation tank is connected with the oil discharge pipe, and the side wall of the oil-water separation tank is connected with the waste liquid tank.

The technical scheme provided by the embodiment of the utility model has the following beneficial effects:

1. the existing large kitchen waste device is miniaturized, and has the advantage of mobility, so that kitchen waste can be treated in situ, air pollution and environmental pollution caused by kitchen waste storage are reduced, and transportation pressure is reduced.

2. Aiming at the main method of the kitchen waste incineration, composting and anaerobic fermentation in China at present, the kitchen waste is treated by adopting a low-temperature pyrolysis mode, so that the method not only has the advantages of short treatment time, high efficiency and the like, but also can play a role in disinfection and sterilization and pollution prevention, and can greatly reduce and highly recycle the kitchen waste.

3. Meanwhile, the high-temperature flue gas after combustion is circulated into the heating sleeve to supply heat to the pyrolysis furnace, so that the heat is recycled, energy is saved, emission is reduced, and preliminary resource utilization and heat energy recovery are performed on the kitchen waste.

4. The continuous feeding in the kitchen waste pyrolysis treatment process is realized by adopting the sealing conveying device, the opening and closing state of the valve is controlled by the position of the output end of the hydraulic push rod, the solid-liquid separation section is ensured to be always in a closed state, the gas is effectively prevented from escaping from the discharge hole, the emission of pollution gas is reduced, and the device is suitable for treating the kitchen waste in places with large flow of people such as large music festivals, night cities, food streets and the like and large kitchen waste production amount.

Drawings

FIG. 1 is a schematic perspective view of an in-situ pyrolysis vehicle for kitchen waste according to the present invention;

FIG. 2 is a top view of the in-situ pyrolysis vehicle for kitchen garbage according to the present invention;

FIG. 3 is a schematic diagram of the garbage disposal system 1 of FIG. 1;

FIG. 4 is a schematic diagram of the sealed conveyor 20 of FIG. 3;

fig. 5 is a schematic structural view of the shaftless screw 2151 of fig. 4;

FIG. 6 is a schematic structural view of the pyrolysis furnace 30 of FIG. 3;

FIG. 7 is a schematic view of the structure of the incinerator 40 in FIG. 3;

fig. 8 is a schematic view illustrating the operation of the pyrolysis furnace 30 and the incinerator 40 of fig. 3.

In the figure: 1-garbage treatment system, 10-crusher, 101-feeding bin, 20-sealed conveying device, 210-feeding pipe, 211-hydraulic push rod, 212-valve, 213-piston, 214-feeding hole, 215-solid-liquid separation section, 2151-shaftless spiral body, 2152-tubular solid-liquid separation ceramic membrane, 2153-sewage tank, 2154-preheating jacket, 2155-heat preservation layer, 220-oil-water separation tank, 221-oil discharge pipe, 222-oil-water separation ceramic membrane, 223-oil storage tank, 224-waste liquid tank, 225-pressure release valve, 226-conical joint, 30-pyrolysis furnace, 301-inner furnace body, 302-heating jacket, 303-flue gas inlet, 304-flue gas outlet, 305-feeding port, 306-discharging port, 307-high-pressure extrusion bin, 308-discharge dragon, 309-seal box, 40-incinerator, 401-heat accumulator, 402-gas nozzle, 403-flue gas pipeline, 404-air inlet, 405-hot air nozzle, 406-pyrolysis gas inlet, 2-car body and 2 a-car.

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.

The embodiment of the utility model provides an in-situ pyrolysis vehicle for kitchen waste (hereinafter referred to as the pyrolysis vehicle), in the embodiment, the pyrolysis vehicle is suitable for processing the kitchen waste, it can be understood that the pyrolysis vehicle is also suitable for other pyrolysis wet waste such as domestic waste, agricultural waste and the like, and the application range of the pyrolysis vehicle is not limited by the specific embodiment of the utility model.

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 should be understood that they are relative concepts that may be varied accordingly depending on the different manners in which the pyrolysis vehicle may be used and placed, and the use of the directional terms should not be taken to limit the scope of what is claimed herein.

Referring to fig. 1 and 2, an embodiment of the present invention provides an in-situ pyrolysis vehicle for kitchen waste, including a vehicle body 2 and a waste disposal system 1 mounted on the vehicle body 2, where the waste disposal system 1 is specifically disposed in a compartment 2a behind the vehicle body 2.

As shown in fig. 2 and 3, the garbage disposal system 1 includes a crusher 10, a sealing conveyor 20, a pyrolysis furnace 30, and an incinerator 40.

As shown in fig. 1, the crusher 10 is installed at one side of the car 2a, and a feeding bin 101 is installed at a side surface of an upper portion of the crusher 10, and the feeding bin 101 penetrates the car 2a so that the kitchen waste can be directly thrown into the crusher 10 from an outside of the car body 2. The crusher 10 receives and crushes the external kitchen waste, thus preliminarily treating the kitchen waste in preparation for subsequent pyrolysis.

As shown in fig. 3 and 4, the kitchen garbage crushed by the crusher 10 is transferred to the pyrolysis furnace 30 via the pipe conveyor 60 and the sealing conveyor 20. The sealed conveyer 20 mainly includes a feeding pipe 210 and an oil-water separating tank 220.

Specifically, the feeding pipe 210 is used for receiving the kitchen waste conveyed by the pipe conveyor 60 and compressing and transporting the kitchen waste to the pyrolysis furnace 30. The inlet pipe 210 is the pipe body, its middle part be equipped with the feed inlet 214 that the breaker is connected, inlet pipe 210 one end is connected pyrolysis oven 30, just inlet pipe 210 is located feed inlet 214 and is close to pyrolysis oven 30 one side is equipped with the valve 212 that can open, the inlet pipe 210 other end is equipped with can move towards and deviate from the hydraulic ram 211 of valve 212 motion. The valve 212 opens the feed tube 210 to communicate with the pyrolysis furnace 30, and the valve 212 closes the feed tube 210 to block the pyrolysis furnace 30. In this embodiment, the output end of the hydraulic push rod 211 is connected to a piston 213, the diameter of the piston 213 is approximately equal to the inner diameter of the feed pipe 210, and the piston 213 reciprocates axially along the feed pipe 210 under the driving action of the hydraulic push rod 211.

The tubular conveyor belt 60 has one end connected to the discharge port of the crusher 10 and the other end connected to the feed port 214, so that the crushed kitchen waste can enter the feed pipe 210, and the feed port 214 is located on the motion track of the piston 213. The open and close state of the valve 212 during the feeding process of the pyrolysis furnace 30 by the sealed conveying device 20 is controlled by the position of the output end of the hydraulic push rod 211, i.e. the position of the piston 213. Specifically, when the piston 213 is located at a side of the feed port 214 away from the valve 212, the valve 212 is closed, the kitchen waste enters the feed pipe 210 when the valve 212 is closed, and the hydraulic push rod 211 pushes the piston 213 to press the kitchen waste to compress the kitchen waste. And when the piston 213 is located at one side of the feed port 214 close to the valve 212, the valve 212 is opened, the kitchen waste is compressed when being extruded to the space between the discharge port 214 and the valve 212, and then the valve 212 is opened, and the piston 213 pushes the kitchen waste into the pyrolysis furnace 30.

As shown in fig. 4, a solid-liquid separation section 215 is further disposed at one end of the feeding pipe 210 close to the pyrolysis furnace 30, the solid-liquid separation section 215 includes a tubular solid-liquid separation ceramic membrane 2152, a sewage tank 2153 disposed around the tubular solid-liquid separation ceramic membrane 2152, a preheating sleeve 2154 sleeved on the periphery of the sewage tank 2153, and a shaftless screw 2151 disposed in the tubular solid-liquid separation ceramic membrane 2152, and the oil-water mixed liquid filtered by the tubular solid-liquid separation ceramic membrane 2152 is collected in the sewage tank 2153.

As shown in fig. 4 and 5, the inner diameter of the shaftless screw 2151 is substantially the same as the inner diameter of the solid-liquid separation ceramic membrane 2152, the shaftless screw 2151 does not need to rotate, and the kitchen waste moves along the shaftless screw 2151, so that the kitchen waste is extruded, liquid is squeezed out, and solid-liquid separation is performed sufficiently. Preferably, the diameter of the tubular solid-liquid separation ceramic membrane 2152 is reduced in a direction away from the valve 212, so that the pressing effect of the end of the tubular solid-liquid separation ceramic membrane 2152 is enhanced, and the solid-liquid separation effect is enhanced.

As shown in fig. 4, the preheating sleeve 2154 is hollow, and high-temperature gas is introduced into the preheating sleeve to preheat the kitchen waste in the tubular solid-liquid separation ceramic membrane 2152, so that oil is melted by heating to realize separation. The periphery of preheating sleeve 2154 is also equipped with heat preservation 2155, heat preservation 2155 is made by insulation material, plays the thermal-insulated effect of heat preservation, reduces thermal dissipation.

As shown in fig. 4, the oil-water separation tank 220 is connected to the solid-liquid separation section 215 via an oil drain pipe 221, and functions to separate oil from water in the liquid separated from the solid-liquid separation section 215. Specifically, an oil-water separation ceramic membrane 222 is arranged in the middle of the oil-water separation tank 220, the top of the oil-water separation tank 220 is connected with an oil storage tank 223, the bottom of the oil-water separation tank is connected with the oil discharge pipe 221, and the side wall of the oil-water separation tank 220 is connected with a waste liquid tank 224.

The oil-water mixed liquid conveyed by the oil discharge pipe 221 enters from the bottom of the oil-water separation tank 220, the oil is distributed on the upper layer of the liquid, and the liquid flows through the oil-water separation ceramic membrane 222 from bottom to top. The oil-water separation ceramic membrane 222 allows water to pass through and prevents oil from passing through, so that oil and water are sufficiently separated, and the oil-water separation ceramic membrane has the advantages of good treatment effect and difficulty in blockage. Water flows into the waste liquid tank 224 from both sides of the oil-water separation tank 220, oil flows into the oil storage tank 223 from the top of the oil-water separation tank 220, and the high-pressure oil-water mixed liquid with high temperature is more easily separated in the oil-water separation ceramic membrane 222.

In this embodiment, the oil-water separation tank 220 is provided with tapered joints 226 at the top and the bottom, the two tapered joints 226 are respectively connected to the oil storage tank 223 and the oil discharge pipe 221, and the oil-water separation ceramic membrane 222 is disposed between the two tapered joints 226. The oil-water mixed liquid input from the oil discharge pipe 221 is just completely input into the oil-water separation ceramic membrane 222 for filtration, and has a good oil-water separation effect.

In addition, a pressure release valve 225 is provided in the oil discharge pipe 221, and the pressure in the sewage tank 2153 and the oil-water separation tank 220 is adjusted by the pressure release valve 225, so that the sealed transfer device 20 can stably and continuously operate.

As shown in the figure, when the sealed conveyer 20 is in operation, the valve 212 is first closed to keep the solid-liquid separation section 215 in a closed state, the solid-liquid separation section 215 is heated to about 200 ℃ by the preheating sleeve 2154 to complete preheating, and the kitchen waste is fed into the feed pipe 210 through the feed port 214 by the pipe conveyor 60; then, the piston 213 is driven by the hydraulic push rod 211 to move towards the valve 212 and press the kitchen waste, after the piston 213 moves to the feed port 214, the valve 212 is opened, and the piston 213 keeps the solid-liquid separation section 215 in a closed state. Meanwhile, in the return stroke of the piston 213, the valve 212 needs to be closed before the piston 213 contacts the feed port 214, so that the solid-liquid separation section 215 is kept in a sealed state. Thus, the feeding is continuously carried out in the sealed conveying device 20, and no pollution gas escapes in the pyrolysis treatment process. Finally, the kitchen waste pushed into the solid-liquid separation section 215 by the piston 213 is sent into the pyrolysis furnace 30 after being subjected to solid-liquid separation.

As shown in fig. 3 and 6, the pyrolysis furnace 30 includes an inner furnace body 301 and a heating jacket 302 sleeved on the outer periphery of the inner furnace body 301. The inner furnace body 301 is a pyrolysis space for kitchen waste, a high-pressure extrusion bin 307 is arranged at the upper part of a feeding port 305 of the inner furnace body 301, and the high-pressure extrusion bin 307 is connected with the solid-liquid separation section 215 to receive the kitchen waste after solid-liquid separation. The bottom of the high-pressure extrusion bin 307 is connected with the feeding port 305, and the high-pressure extrusion bin is used for compressing the received kitchen garbage.

The heating jacket 302 is a cylindrical hollow structure and is made of a heat conducting material, and the inner wall of the heating jacket is in contact with the outer wall of the inner furnace body 301 for heat transfer. The lower part of the heating sleeve 302 is provided with a flue gas inlet 303, the upper part of the heating sleeve 302 is provided with a flue gas outlet 304, high-temperature gas can be introduced into the heating sleeve 302 through the flue gas inlet 303, the high-temperature gas is heated by the inner furnace body 301 when flowing through the inside of the heating sleeve 302, and after the heating temperature reaches the pyrolysis temperature, kitchen garbage is pyrolyzed to form pyrolysis gas and coke, wherein the pyrolysis gas is mainly micromolecule combustible gas and gasified pyrolysis oil.

A discharging auger 308 for transporting coke and a sealing box 309 connected with the discharging auger 308 are arranged at the discharging port 306 of the pyrolysis furnace 30. Specifically, the feed end of the discharging auger 308 is arranged below the discharge port 306 of the inner furnace body 301, and the discharge end of the discharging auger 308 extends into the seal box 309. The seal box 309 is made of high-temperature-resistant sealing materials, the discharging flood dragon 308 conveys coke generated by pyrolysis into the seal box 309, and the seal box 309 stores the coke, so that the coke is cooled and prevented from spontaneous combustion after being contacted with air. Simultaneously can also be in set up the shower nozzle in seal box 309, spray the waste liquid that produces among the rubbish pretreatment processes from cooking through the focusing carbon through the shower nozzle, carry out one-level waste water purification treatment, reach the effect of cooling coke simultaneously, the coke is transported out and is turned into the biochar through subsequent processing and utilize.

As shown in fig. 1 and 2, a water vapor absorption tower 50 is further disposed between the pyrolysis furnace 30 and the incinerator 40, and the water vapor absorption tower 50 is used for absorbing water vapor in the pyrolysis gas. Specifically, the water vapor absorption tower 50 is designed by adopting a packed tower and mainly comprises a pyrolysis gas inlet, a pyrolysis gas outlet and a packing layer, wherein pyrolysis gas enters from the pyrolysis gas inlet, flows through the packing layer and then flows out from the pyrolysis gas outlet. The packing layer uses anhydrous calcium chloride solid with obvious dehumidification effect to absorb a large amount of vapor in the pyrolysis gas and prevent the vapor from entering the incinerator 40 to influence the combustion effect of the pyrolysis gas.

Referring to fig. 7, the incinerator 40 is used for burning pyrolysis gas and supplying heat to the heating jacket 302. The incinerator 40 is connected to the pyrolysis furnace 30 through the water vapor absorption tower 50, and the pyrolysis gas dried by the water vapor absorption tower 50 enters the incinerator 40. The incinerator 10 is provided with a heat accumulator 401 for air to flow in, a gas nozzle 402 and a flue gas pipe 403, wherein one end of the flue gas pipe 403 is connected with the combustion chamber of the incinerator 40, the other end of the flue gas pipe 403 is connected with the heating jacket 302, and the heat accumulator 401 is arranged on the flue gas pipe 403.

The incinerator 40 has a conical head structure at both ends, wherein one end is a pyrolysis gas inlet 406 and is connected with the inner furnace body 301; the other end is provided with the heat accumulator 401 and the gas nozzle 402, and the hot air nozzle 405 and the gas nozzle 402 of the heat accumulator 401 are arranged opposite to the pyrolysis gas inlet 406. The heat accumulator 401 is specifically a honeycomb ceramic heat accumulator, an air inlet 404 is arranged on one side of the heat accumulator 401 away from the incinerator 40, and external air enters the heat accumulator 401 from the air inlet 404 to be preheated and then is sprayed into the incinerator 40 through the hot air nozzle 405.

As shown in fig. 6, 7 and 8, the pyrolysis gas is mixed with air and coal gas in the incinerator 40 and then combusted, and the temperature of the inner cavity of the incinerator 40 can be maintained at about 1000 ℃, so that thermal NOx is prevented from being generated and polluting air. Meanwhile, high-temperature flue gas formed by combustion flows through the heat accumulator 401 along the flue gas pipeline 403 and flows to the heating jacket 302, the high-temperature flue gas exchanges heat with air in the heat accumulator 401 and is cooled to about 800 ℃, and the high-temperature air enters the heating jacket 302 and then heats the inner furnace body 301 to just reach the temperature required by pyrolysis of kitchen waste.

Specifically, after the kitchen waste preheated by about 200 ℃ in the solid-liquid separation section 215 is sent into the pyrolysis furnace 30, in the initial stage of pyrolysis of the kitchen waste, flue gas generated by gas combustion is input into the heating jacket 302 to be heated to about 500 ℃ of the pyrolysis temperature of the kitchen waste, the kitchen waste is pyrolyzed to generate gaseous product pyrolysis gas and solid product coke, the pyrolysis gas is continuously combusted to heat the heating jacket 302, and the coke is transported into the sealing box 309 through the discharge auger 308 to be sealed and cooled. Meanwhile, waste liquid generated in the kitchen waste pretreatment process can be subjected to primary wastewater purification treatment through the coke stored in the seal box 309, the effect of cooling the coke is achieved, and the coke is conveyed out and converted into biochar for utilization through subsequent treatment.

Pyrolysis gas generated by pyrolysis in the pyrolysis furnace 30 is subjected to moisture absorption and drying treatment by the water vapor absorption tower 50 and then is introduced into the incinerator 40, and simultaneously, air and coal gas in a proper proportion are introduced into the incinerator 40, and the air and the coal gas are fully and uniformly mixed and then are combusted to generate flue gas with the temperature as high as about 1000 ℃. The temperature of the incinerator 40 is maintained at about 1000 c because the pyrolysis gas is more completely combusted and less thermal NOx gas is generated at about 1000 c.

High-temperature flue gas at 1000 ℃ is introduced into the heating jacket 302 through the flue gas pipeline 403, the heat exchange temperature of the high-temperature flue gas with air is reduced to about 800 ℃ when the high-temperature flue gas passes through the heat accumulator 401, and the kitchen waste in the inner furnace body 301 is heated to about 500 ℃ by the high-temperature flue gas at about 800 ℃. The high-temperature flue gas at about 800 ℃ is introduced into the heating jacket 302 to reach the pyrolysis temperature of the kitchen waste, and then the flue gas generated by gas combustion is not needed to heat the heating jacket 302. Meanwhile, the high-temperature flue gas in the flue gas pipeline 403 also preheats air, so that the pyrolysis gas can be more efficiently combusted. Therefore, the heat recycling is realized, the resource utilization of the kitchen garbage is realized, and the effects of energy conservation and emission reduction are achieved.

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 (10)

1. The utility model provides a kitchen garbage normal position ization pyrolysis car which characterized in that: the garbage treatment system comprises a vehicle body and a garbage treatment system loaded on the vehicle body, wherein the garbage treatment system comprises a crusher, a sealed conveying device, a pyrolysis furnace and an incinerator;

the crusher is used for receiving external kitchen waste and crushing the kitchen waste;

the sealed conveying device comprises a feeding pipe, a feeding port connected with the crusher is arranged in the middle of the feeding pipe, one end of the feeding pipe is connected with the pyrolysis furnace, an openable valve is arranged on one side, close to the pyrolysis furnace, of the feeding port, the other end of the feeding pipe is provided with a hydraulic push rod capable of moving towards and away from the valve, the valve is closed when the output end of the hydraulic push rod is located on one side, away from the valve, of the feeding port, and the valve is closed when the output end of the hydraulic push rod is located on one side, close to the valve, of the feeding port;

the pyrolysis furnace comprises an inner furnace body and a heating sleeve sleeved on the periphery of the inner furnace body, and high-temperature gas flows through the heating sleeve to heat the inner furnace body, so that kitchen garbage in the pyrolysis furnace is pyrolyzed to form pyrolysis gas and coke;

the incinerator is connected with the pyrolysis furnace to receive pyrolysis gas, the incinerator is provided with a heat accumulator, a gas nozzle and a flue gas pipeline, air flows into the heat accumulator, one end of the flue gas pipeline is connected with the incinerator, the other end of the flue gas pipeline is connected with the heating sleeve, the heat accumulator is arranged on the flue gas pipeline, high-temperature flue gas formed by combustion of the pyrolysis gas in the incinerator flows through the heat accumulator along the flue gas pipeline to flow to the heating sleeve, and the high-temperature flue gas exchanges heat with air in the heat accumulator to be cooled to the temperature required by pyrolysis of kitchen waste.

2. The in-situ digestion pyrolysis vehicle for kitchen waste as claimed in claim 1, characterized in that: the discharging mouth department of pyrolysis oven be equipped with the ejection of compact flood dragon of transporting the coke and with the seal box that the ejection of compact flood dragon is connected, be equipped with the shower nozzle in the seal box, thereby the shower nozzle is used for making waste liquid purification, coke cooling to the coke spray the waste liquid of rubbish pretreatment in kitchen.

3. The in-situ digestion pyrolysis vehicle for kitchen waste as claimed in claim 1, characterized in that: the incinerator is of a conical head structure with two ends, wherein one end is a pyrolysis gas inlet and is connected with the inner furnace body; the other end is provided with the heat accumulator and the coal gas nozzle, and the hot air nozzle and the coal gas nozzle of the heat accumulator are arranged opposite to the pyrolysis gas inlet.

4. The in-situ digestion pyrolysis vehicle for kitchen waste as claimed in claim 1, characterized in that: the device also comprises a water vapor absorption tower arranged between the pyrolysis furnace and the incinerator, and the water vapor absorption tower is used for absorbing water vapor in pyrolysis gas.

5. The in-situ digestion pyrolysis vehicle for kitchen waste as claimed in claim 1, characterized in that: still include the tubular conveyer belt, tubular conveyer belt one end is connected breaker, the other end are connected the feed inlet of inlet pipe.

6. The in-situ digestion pyrolysis vehicle for kitchen waste as claimed in claim 1, characterized in that: the output end of the hydraulic push rod is connected with a piston, and the diameter of the piston is equal to the inner diameter of the feeding pipe.

7. The in-situ digestion pyrolysis vehicle for kitchen waste as claimed in claim 1, characterized in that: the feeding pipe is close to one end of the pyrolysis furnace and is provided with a solid-liquid separation section, and the solid-liquid separation section comprises a tubular solid-liquid separation ceramic membrane, a sewage tank surrounding the tubular solid-liquid separation ceramic membrane, a preheating sleeve sleeved on the periphery of the sewage tank, and a shaftless spiral body arranged in the tubular solid-liquid separation ceramic membrane.

8. The in-situ digestion pyrolysis vehicle for kitchen waste as claimed in claim 7, characterized in that: the tubular solid-liquid separation ceramic membrane decreases in diameter in a direction away from the valve.

9. The in-situ digestion pyrolysis vehicle for kitchen waste as claimed in claim 7, characterized in that: the sealed conveying device further comprises an oil-water separation tank which is connected with the sewage tank through an oil discharge pipe.

10. The in-situ digestion pyrolysis vehicle for kitchen waste as claimed in claim 9, characterized in that: the oil-water separation device is characterized in that an oil-water separation ceramic membrane is arranged in the middle of the oil-water separation tank, the top of the oil-water separation tank is connected with the oil storage tank, the bottom of the oil-water separation tank is connected with the oil discharge pipe, and the side wall of the oil-water separation tank is connected with a waste liquid tank.

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