CN218883978U

CN218883978U - Low-nitrogen pyrolysis garbage processor

Info

Publication number: CN218883978U
Application number: CN202222144276.XU
Authority: CN
Inventors: 马力
Original assignee: Beijing Beiyu Mechanical Equipment Co ltd
Current assignee: Beijing Beiyu Mechanical Equipment Co ltd
Priority date: 2022-08-15
Filing date: 2022-08-15
Publication date: 2023-04-18
Anticipated expiration: 2032-08-15

Abstract

The utility model discloses a low nitrogen pyrolysis garbage processor, including the rubbish fill that sets gradually, extrusion dewatering device, mummification device, pyrolysis device, dust remover and gaseous purifier, connect through conveying mechanism between rubbish fill, extrusion dewatering device, mummification device and the pyrolysis device, be linked together through the pipeline between pyrolysis device, dust remover and the gaseous purifier, gaseous purifier's exit end intercommunication sets up the gas pitcher, sets up a plurality of outlet ducts on the gas pitcher, one of them outlet duct and the inlet end intercommunication of mummification device. The utility model discloses a low nitrogen pyrolysis garbage processor, effectual harmful gas's such as dioxin, hydrogen sulfide production of suppression in the pyrolysis gasification, realized discharge to reach standard, can not cause secondary pollution, realized the economic cycle of the energy simultaneously, accomplished the recovery and the comprehensive utilization of rubbish resource.

Description

Low-nitrogen pyrolysis garbage processor

Technical Field

The utility model relates to a refuse treatment technical field, in particular to low-nitrogen pyrolysis garbage disposer.

Background

Along with the urban development and the continuous improvement of the living standard of people, the generation amount of urban domestic garbage in China is increased year by year, and the problem of environmental pollution caused by the urban domestic garbage is more and more serious. The harm caused by the municipal solid waste is not only reflected in that too much land is occupied, and the severe environment that the waste surrounds the city is formed, but also the pollution to the atmospheric environment, underground water sources, soil and crops is caused.

At present, the main treatment methods for municipal solid waste are landfill and incineration. The landfill method is a method for treating garbage buried underground, the buried garbage is not completely subjected to harmless treatment, a large amount of bacteria and viruses remain, hidden dangers such as methane and heavy metal pollution exist, and secondary pollution can be caused by garbage leakage liquid. After the garbage is treated by the incineration method, certain secondary pollution can be caused, and particularly, serious air pollution is caused because organic matters generate acid gases such as HCI, SOx, NOx and the like, highly toxic chlorine-containing high molecular compounds are generally called dioxin substances, dust and the like in the incineration process. Therefore, the two garbage disposal methods can cause secondary pollution, and the collected domestic garbage can not be recycled and comprehensively utilized, thereby causing resource waste.

SUMMERY OF THE UTILITY MODEL

To the problem, the utility model aims at providing a low nitrogen pyrolysis garbage disposer to solve the secondary pollution who brings among the traditional refuse treatment process, and can not carry out resource recovery and comprehensive utilization's problem to the domestic waste who collects.

The utility model discloses a realize like this:

the utility model provides a low nitrogen pyrolysis garbage disposer, includes that the rubbish that sets gradually fights, extrusion dewatering device, mummification device, pyrolysis device, dust remover and gaseous purifier, rubbish is fought, extrusion dewatering device, connect gradually through conveying mechanism between mummification device and the pyrolysis device, communicates through the pipeline in proper order between pyrolysis device, dust remover and the gaseous purifier, and gaseous purifier's exit end intercommunication sets up the gas pitcher, sets up a plurality of outlet ducts on the gas pitcher, and one of them outlet duct communicates with the inlet end of mummification device.

Further, conveying mechanism includes first conveyer, second conveyer and third conveyer, and first conveyer, second conveyer and third conveyer all set up along direction of delivery's top slope.

Furthermore, one end of the first conveyor is communicated with an outlet of the garbage hopper, the other end of the first conveyor is communicated with an inlet of the extrusion dehydration device, and the first conveyor is a spiral conveyor or a flat belt conveyor.

Furthermore, one end of a second conveyor is communicated with an outlet of the extrusion dehydration device, the other end of the second conveyor is communicated with an inlet of the drying device, and the second conveyor is a spiral conveyor or a flat belt conveyor.

Furthermore, one end of a third conveyor is communicated with an outlet of the drying device, the other end of the third conveyor is communicated with an inlet of the pyrolysis device, and the third conveyor is a spiral conveyor or a flat belt conveyor.

Furthermore, the bottom of the pyrolysis device is provided with a waste discharge outlet which is communicated with a waste discharge box, and the waste discharge box is positioned below the pyrolysis device.

Furthermore, a liquid collecting tank for collecting sewage is arranged at the bottom of the extrusion dehydration device.

Furthermore, a fixing frame is arranged above the garbage hopper, and a grabbing device for lifting garbage to the garbage hopper is arranged on the fixing frame in a sliding mode.

The utility model has the advantages that:

the low-nitrogen pyrolytic garbage processor of the utility model can dehydrate the domestic garbage for the first time and the second time through the arranged extrusion dehydration device and the drying device, thereby effectively reducing the water content of the domestic garbage; the pyrolysis device, the dust remover and the gas purification device are arranged, so that the whole process of the pyrolysis, dust removal and gas purification treatment process flow of the garbage is closed to operate, and clean production is realized; the pyrolysis device is provided with continuous obstruction of secondary air, tertiary air and quartic air, so that the rising speed of flue gas generated in the combustion process in the pyrolysis chamber is slowed, the time in the pyrolysis chamber is prolonged, the temperature of the flue gas is controlled by multiple times of layered combustion, the generation of dioxin substances is effectively inhibited while a large amount of NOx is avoided, various harmful germs can be killed by 100% in the pyrolysis and gasification process, the odor is removed, the standard emission is realized, and the secondary pollution is avoided; the gas after dust removal and purification is collected in the gas tank, one part of the gas is used for driving a turbonator to act and generate power, the other part of the gas is used as a domestic gas source, and the other part of the gas is communicated with the drying device for recycling once more, so that the economic cycle of energy is completely realized, and the recovery and the comprehensive utilization of garbage resources are completed.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Description of reference numerals:

1. a garbage hopper; 2. an extrusion dehydration device; 3. a drying device; 4. a pyrolysis device; 41. a pyrolysis chamber; 42. a heating device; 43. a first air inlet; 44. a second air inlet; 45. a third air inlet; 46. a fourth air inlet; 47. a waste discharge outlet; 48. an air outlet; 49. a feed inlet; 5. a dust remover; 6. a gas purification device; 7. a gas tank; 8. a first conveyor; 9. a second conveyor; 10. a third conveyor; 11. a fixed mount; 12. a gripping device; 13. a liquid collecting tank; 14. a waste discharge box; 15. an air outlet pipe; 16. a circulation pipe.

Detailed Description

The technical solution in the embodiment of the present invention is clearly and completely described below with reference to the drawings in the embodiment of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

As shown in fig. 1, the utility model discloses a low nitrogen pyrolysis garbage disposer, including rubbish fill 1, extrusion dewatering device 2, mummification device 3, pyrolysis device 4, dust remover 5 and the gaseous purifier 6 that set gradually, connect gradually through conveying mechanism between rubbish fill 1, extrusion dewatering device 2, mummification device 3 and the pyrolysis device 4, communicate through the pipeline in proper order between pyrolysis device 4, dust remover 5 and the gaseous purifier 6.

The exit end intercommunication of gaseous purifier 6 sets up gas pitcher 7, gas pitcher 7 is used for storing the gas after purifying, set up a plurality of outlet ducts 15 on the gas pitcher 7, it can be direct for turbo generator to provide power through outlet duct 15 to pass through the gaseous part of purification, drive turbo generator action and generate electricity, partly can regard as the domestic gas source, partly circulating pipe 16 that is linked together through with outlet duct 15 in addition communicates with the inlet end of mummification device 3, carry partly gaseous mummification device 3, make pyrolysis high-temperature gas after purifying can cyclic utilization, the recovery and the comprehensive utilization of rubbish resource have been realized.

The conveying mechanism comprises a first conveyor 8, a second conveyor 9 and a third conveyor 10, and the first conveyor 8, the second conveyor 9 and the third conveyor 10 are all obliquely arranged above the conveying direction. One end of the first conveyor 8 is communicated with an outlet of the garbage hopper 1, the other end of the first conveyor is communicated with an inlet of the extrusion dehydration device 2, and the first conveyor 8 is a spiral conveyor or a flat belt conveyor. One end of the second conveyor 9 is communicated with the outlet of the extrusion dehydration device 2, the other end is communicated with the inlet of the drying device 3, and the second conveyor 9 is a spiral conveyor or a flat belt conveyor. One end of the third conveyor 10 is communicated with the outlet of the drying device 3, the other end of the third conveyor is communicated with the inlet of the pyrolysis device 4, and the third conveyor 10 is a spiral conveyor or a flat belt conveyor.

The household garbage in the garbage hopper 1 is conveyed to the extrusion dehydration device 2 through the first conveyor 8 for extrusion dehydration, and the household garbage is subjected to primary dehydration, so that the moisture content of the garbage can be reduced from 80% -85% to 60% -70%. The bottom of the extrusion dehydration device 2 is provided with a liquid collecting tank 13 for collecting sewage, and the sewage after extrusion dehydration flows into the liquid collecting tank 13 for collection.

The squeezed and dehydrated household garbage is conveyed to a drying device 3 through a second conveyor 9 for continuous drying treatment, and a drying medium of the drying device 3 is high-temperature gas. When the drying device works, the drying device 3 is connected with high-temperature gas output from the gas tank 7, and heat is transferred to the dehydrated garbage material with the water content of 60% -70%, so that the dehydrated garbage material is heated and dried in the drying device 3 to realize the re-dehydration of the garbage, the water content of the garbage is reduced from 60% -70% to below 35%, and the volume of the dried garbage is reduced by 70% -80%.

The dried household garbage is transported to a pyrolysis device 4 through a third conveyor 10 for pyrolysis treatment. Pyrolysis device 4 includes that inside is the pyrolysis chamber 41 of cavity structure, and pyrolysis chamber 41 bottom is the inclined structure of low on the left and right sides, and lower department is equipped with waste discharge outlet 47, and the solid looks landing along the inclined surface of the rubbish after the pyrolysis of being convenient for is to waste discharge outlet 47. The bottom of the pyrolysis chamber 41 is provided with a heating device 42, and the heating device is used for heating and burning the household garbage in the pyrolysis chamber 41. The top of the pyrolysis chamber 41 is provided with a first air inlet 43, and the side wall is provided with a second air inlet 44, a third air inlet 45, a fourth air inlet 46 and a feeding hole 49 in sequence from bottom to top. An air outlet 48 is also arranged on the opposite side wall of the pyrolysis chamber 41, and the air outlet 48 is communicated with the dust remover 5 through a pipeline. A waste discharge box 14 is arranged below the pyrolysis device 4, and the solid waste after pyrolysis is discharged from a waste discharge outlet 47 into the waste discharge box 14 at the lower part of the waste discharge box.

Domestic waste gets into pyrolysis chamber 41 through feed inlet 49 through third conveyer 10 in, heating device 42 heats the burning to domestic waste, the wind blows into pyrolysis chamber 41 in through first air intake 43, and the oxygen supply in the air regulation pyrolysis chamber 41 through the amount of wind of control wind, make the combustion process continue to be in the oxygen deficiency state, the flue gas that produces upwards moves to pyrolysis chamber 41's upper portion, the secondary air, tertiary air and quartic wind are respectively through second air intake 44, third air intake 45 and fourth air intake 46 are blown into pyrolysis chamber 41 and are controlled the intake respectively, make pyrolysis gas through burning many times in the ascending process in pyrolysis chamber 41, finally produce low nitrogen high temperature flue gas, and get into in dust remover 5 through air outlet 48. The household garbage in the pyrolysis chamber is subjected to low-nitrogen combustion pyrolysis through adjusting the air intake of the second air inlet 44, the third air inlet 45 and the fourth air inlet 46 to obtain a dioxin-free garbage gas phase and a garbage solid phase, the garbage solid phase subjected to pyrolysis treatment is led out to obtain ash, the ash is discharged into the waste discharge box 14 through the waste discharge outlet 47, the ash is collected in the waste discharge box 14 and is harmlessly sealed and utilized, and the harmless standard-reaching discharge is realized. Pyrolysis apparatus 4 is through setting up the overgrate air, the continuous hindrance of tertiary air and quartic wind, the rising speed of the flue gas that produces in making the combustion process in pyrolysis chamber 41 becomes slow, the time in pyrolysis chamber 41 has been prolonged, the temperature of flue gas has been controlled in the stratified combustion many times, when avoiding NOx a large amount of productions, the production of effectual suppression dioxin class material, and can 100% kill various harmful germ among the pyrolysis gasification, get rid of the stink, discharge to reach standard has been realized, can not cause secondary pollution.

The gas phase of the garbage after pyrolysis enters a dust remover 5 through a pipeline, and enters a gas purification device 6 through the pipeline after dust is filtered by the dust remover 5, and the gas purification device 6 performs heat exchange cooling and purification operation on the discharged garbage gas. The purified gas is directly conveyed and stored in the gas tank 7, can drive the internal combustion engine to do work to drive the generator to generate electricity, can also be used as daily life gas, and can be conveyed to the drying device 3 to be reused, so that the resource recycling is realized, the resource is saved, and the social economy is improved.

A fixed frame 11 is further arranged above the garbage bucket 1, and a grabbing device 12 for hoisting garbage to the garbage bucket 1 is arranged on the fixed frame 11 in a sliding mode. Grabbing device 12 is prior art, does not describe here any more, and grabbing device 12 is reciprocating sliding on mount 11, snatchs the domestic waste in the refuse dump to rubbish fill 1 in, convenient subsequent refuse treatment.

The utility model discloses a low nitrogen pyrolysis garbage processor, at first through grabbing device 12 domestic waste in with the rubbish field hoist to rubbish fill 1 in, and carry out primary dehydration to extrusion dewatering device 2 through first conveyer 8 with domestic waste in the rubbish fill 1, later carry the domestic waste after primary dehydration to mummification device 3 through second conveyer 9 and carry out secondary dehydration, sewage flows in the collecting tank 13 in, domestic waste after the secondary dehydration transports to pyrolysis device 4 through third conveyer 10 and carries out pyrolysis gasification, rubbish solid phase after the gasification is collected in exhaust box 14 with the form of ashes, the rubbish gaseous phase is respectively through dust remover 5 and gas purification device 6, impurities such as dust in the filtering gas, and carry out heat transfer cooling and purification treatment to gas, gas after the purification directly carries and preserves to the gas pitcher in, can drive the internal-combustion engine, drive the acting electricity generation, also can regard as daily life gas, a part gas is carried to mummification device 3 and is recycled, resources are realized, resources are saved, the economic nature has been improved.

It is to be understood that the disclosed embodiments are merely exemplary of the invention, and are not intended to limit the invention to the precise embodiments disclosed. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Claims

1. The utility model provides a low nitrogen pyrolysis garbage processor, its characterized in that, including rubbish fill (1), extrusion dewatering device (2), mummification device (3), pyrolysis device (4), dust remover (5) and gaseous purifier (6) that set gradually, rubbish fill (1) extrusion dewatering device (2) mummification device (3) and connect gradually through conveying mechanism between pyrolysis device (4), pyrolysis device (4) dust remover (5) reach communicate through the pipeline in proper order between gaseous purifier (6), the exit end intercommunication of gaseous purifier (6) sets up gas pitcher (7), set up a plurality of outlet duct (15) on gas pitcher (7), one of them outlet duct (15) with the inlet end intercommunication of mummification device (3).

2. The low nitrogen pyrolytic waste processor according to claim 1, wherein the conveying mechanism comprises a first conveyor (8), a second conveyor (9) and a third conveyor (10), the first conveyor (8), the second conveyor (9) and the third conveyor (10) all being arranged obliquely above in conveying direction.

3. The low-nitrogen pyrolytic waste processor according to claim 2, wherein one end of the first conveyor (8) is communicated with the outlet of the waste hopper (1) and the other end is communicated with the inlet of the extrusion dehydration device (2), and the first conveyor (8) is a screw conveyor or a flat belt conveyor.

4. The low-nitrogen pyrolysis garbage processor according to claim 2, wherein one end of the second conveyor (9) is communicated with the outlet of the extrusion dehydration device (2), the other end is communicated with the inlet of the drying device (3), and the second conveyor (9) is a screw conveyor or a flat belt conveyor.

5. The low-nitrogen pyrolytic waste processor according to claim 2, wherein one end of the third conveyor (10) is communicated with the outlet of the drying device (3), and the other end is communicated with the inlet of the pyrolysis device (4), and the third conveyor (10) is a screw conveyor or a flat belt conveyor.

6. The low nitrogen pyrolysis waste processor of claim 1, wherein the bottom of the pyrolysis device (4) is provided with a waste outlet, the waste outlet is communicated with a waste box (14), and the waste box (14) is positioned below the pyrolysis device (4).

7. The low nitrogen pyrolytic waste processor according to claim 1 wherein the bottom of the extrusion dehydration apparatus (2) is provided with a sump (13) for collecting sewage.

8. The low-nitrogen pyrolytic waste processor according to claim 1, wherein a fixed frame (11) is further provided above the waste hopper (1), and a gripping device (12) for lifting the waste to the waste hopper (1) is slidably provided on the fixed frame (11).