CN104976621A - Household garbage pyrolysis gasifier - Google Patents
Household garbage pyrolysis gasifier Download PDFInfo
- Publication number
- CN104976621A CN104976621A CN201410147370.8A CN201410147370A CN104976621A CN 104976621 A CN104976621 A CN 104976621A CN 201410147370 A CN201410147370 A CN 201410147370A CN 104976621 A CN104976621 A CN 104976621A
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- CN
- China
- Prior art keywords
- air inlet
- heater
- interlayer
- communicated
- furnace
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
- F23G5/027—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/24—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having a vertical, substantially cylindrical, combustion chamber
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Gasification And Melting Of Waste (AREA)
Abstract
The invention relates to a household garbage incineration disposal device, in particular to a household garbage pyrolysis gasifier. A gasifier body comprises an incineration furnace shell, a refractory brick layer and an incineration furnace inner container from exterior to interior. A slag discharging component and a water sealing component are arranged at the bottom of the gasifier body. An air inlet and a combustible gas outlet are formed in the upper portion of the gasifier body. A steam inlet is formed in the bottom of the gasifier body. A steam outlet is formed in the top of the gasifier body. A hollow interlayer is arranged between the refractory brick layer and the incineration furnace inner container. The bottom of the interlayer is communicated with the bottom in the gasifier body. The upper portion of the interlayer is communicated with the combustible gas outlet. An air inlet channel is arranged in the interlayer. The upper portion of the air inlet channel is communicated with the air inlet formed in the upper portion of the gasifier body. The lower portion of the air inlet channel is communicated with the bottom in the gasifier body. Pyrolysis can be carried out on urban garbage to generate combustible gas and slag, the generated combustible gas can be recycled, and the generated slag can serve as building aggregate to be utilized.
Description
Technical field
The present invention relates to one way of life garbage incineration equipment, especially one way of life refuse pyrolysis gasification furnace.
Background technology
Along with the raising of people's living standard, the house refuse produced every day is per capita also in continuous increase, the urban garbage disposal of current China mainly contains landfill and burns two kinds of processing methods, and landfill not only takies a large amount of soil, and do not dispose rubbish, just temporarily storing, is not the way of sustainable development.
Present each big city is being built large-scale mechanical kiln grate furnace and is being used for burning away the refuse, but mechanical kiln grate furnace is only applicable to the consumer waste incineration process of large output (day output more than 300 tons), and this incinerator cost is very high, general micropolis does not need so large-tonnage incinerator, can't afford the cost of operation simultaneously yet.
Therefore, consider from the angle of daily operating cost, a lot of small city can only adopt the boiler-turbine CCS of the mud of heating up water of having withdrawn from the market to carry out burning domestic garbage at present, but boiler-turbine CCS burning domestic garbage can produce a large amount of pernicious gases, post-processed tail gas is caused to be difficult to up to standard, and easily produce secondary pollution, and invest boiler-turbine CCS or it is transformed and still need a large amount of operation expenses.
To sum up, for the domestic rubbish disposal of small and medium-sized cities, preferably mode is that domestic garbage pyrolysis is become fuel gas by applicable pyrolysis gasification furnace, so not only dispose house refuse, but also by the recovery of fuel gas that produces and utilization, reach the effect turned waste into wealth, and can eucyclic operation and maintenance be formed.Therefore, how to set up a kind of stable, energy consumption is low, burning effective pyrolysis gasification furnace is technical barrier urgent at present.
Summary of the invention
The object of this invention is to provide one way of life refuse pyrolysis gasification installation, Combustion Properties of Municipal Solid Waste can have been become fuel gas and slag, the fuel gas recoverable generated, the slag generated can be used as building aggregate and is used.
Concrete technical scheme of the present invention is:
One way of life refuse pyrolysis gasification furnace, body of heater ecto-entad comprises incinerator shell, fire brick layer, incinerator inner bag; Bottom of furnace body is provided with deslagging parts, water-stop parts; Upper of furnace body is provided with air inlet, combustible gas outlet; Bottom of furnace body is provided with steam import; Body of heater top is provided with steam outlet; A hollow sandwich is provided with between fire brick layer and incinerator inner bag; Be communicated with body of heater inner bottom part bottom this interlayer, this interlayer top and combustible gas outlet;
Be provided with air inlet passage in this interlayer, this air inlet channel upper is communicated with the air inlet set by upper of furnace body, and the bottom of air inlet passage is communicated with body of heater inner bottom part.
By air inlet passage, air is introduced furnace interior from body of heater outside, and carries to the rubbish zoneofoxidation of body of heater inner bottom part, in body of heater, be followed successively by drying layer, destructive distillation layer, conversion zone, ash bed from top to bottom.In body of heater, destructive distillation layer is delivered to fuel gas outlet discharge through pyrogenous origin burning mixture from bottom to top by this interlayer, fuel gas can heat air inlet passage while this interlayer passes through, thus improve the efficiency of pyrolytic reaction, also can reduce the temperature of fuel gas, be conducive to the process of subsequent production technique.
Pyrolysis gasification furnace of the present invention is provided with vapor recycle pipeline, high-temperature vapor can be produced in the process that rubbish is dried, steam due to density light, rise to furnace roof, in body of heater, dry rubbish from bottom to top in uphill process simultaneously, the steam outlet arranged by body of heater top is discharged, and then the steam import that the steam of discharge is arranged by bottom of furnace body is again delivered in stove by air-introduced machine.Thus by chemical reaction, the rubbish of steam and body of heater inner bottom part is more fully reacted, not only can generate more fuel gas carbon monoxide and hydrogen, can accept and leak simultaneously the fire grate of ash between cooled hearth and furnace bottom, the service life of fire grate can be extended.
Further, for the benefit of rubbish cloth and pyrolytic reaction in stove, be provided with mixing component in body of heater.
Described mixing component provides power by hydraulic motor, by arranging two rows or three rows blade on the vertical axis, often arranges symmetrical two panels blade, drives this mixing component to operate and can reach the effect of house refuse in rabble furnace.
Further, above-mentioned deslagging parts are discharged in body of heater by the slag generated after domestic garbage gasification reaction, and water-stop parts play sealing function, pollutes to prevent body of heater gas leakage and slag leakage from being formed.
Described deslagging parts comprise the fire grate that longitudinal section is eccentric taper, and this fire grate is laminated by cast steel block to build into, has the gap for getting rid of slag between each cast steel block.This fire grate, by fluid motor-driven, rotates around central shaft, because it is in eccentric structural form, therefore when it rotates, not only can play the effect of deslagging, also can play the effect of stirring simultaneously.
Further, by transmission channel, house refuse is advanced in body of heater.Outside at the passage transmitting house refuse, be provided with the hollow sandwich be made up of Plate Welding, one end of this hollow sandwich connects the import of high-temperature heating air, the other end connects the outlet of high-temperature heating air, rubbish is dried in the process of house refuse charging by the high-temperature heating air after pyrolysis, for the follow-up stove combustion that enters preheats, to raise the efficiency.
In stove, key reaction formula is as follows:
C + 1/2O
2= CO + 123217 kJ/kmol
CO
2+ C = CO - 162405 kJ/kmol
C + H
2O = CO + H
2- 118821 kJ/kmol
C + O
2= CO
2+ 408840kJ/kmol
C + 2H
2O = CO
2+ 2H
2- 75237 kJ/kmol。
Accompanying drawing explanation
Fig. 1 is the structural representation of one way of life refuse pyrolysis gasification furnace of the present invention.
Fig. 2 is the furnace binding enlarged diagram of domestic garbage pyrolysis gasification oven of the present invention.
In figure: 1-incinerator shell; 2-fire brick layer; 3-enters air duct; 4-heat resisting steel inner bag; 5-mixing component; 6-deslagging parts; 7-water-stop parts.
In figure, each pipe joint is: A-air inlet; B-steam outlet; The import of C-steam; D-combustible gas exports; E-high-temperature heating air intlet; F-high-temperature heating air outlet slit.
Detailed description of the invention
During work, first domestic garbage pyrolysis gasification oven is carried out preheating.Can enter incinerator by garbage feeding parts by the combustible material such as wood fragments material and diesel oil, in stove, igniting is ignited.
Domestic waste is captured by garbage grab bucket, by feed hopper, by Action of Gravity Field, falls into the advanced region of hydraulic drive cylinder, adopt hydraulic drive cylinder, by transmission channel, house refuse is advanced in body of heater.Outside at the passage transmitting house refuse, be provided with the hollow sandwich be made up of Plate Welding, one end of this hollow sandwich connects the import E of high-temperature heating air, the other end connects the outlet F of high-temperature heating air, by drying rubbish in the process of house refuse charging, for the follow-up stove combustion that enters preheats, to raise the efficiency.
Embodiment 1 as depicted in figs. 1 and 2, is the structural representation of one way of life refuse pyrolysis gasification furnace of the present invention.
One way of life refuse pyrolysis gasification furnace, body of heater ecto-entad comprises incinerator shell 1, fire brick layer 2, incinerator inner bag 4; Bottom of furnace body is provided with deslagging parts 6, water-stop parts 7; Upper of furnace body is provided with air inlet, combustible gas outlet; Bottom of furnace body is provided with steam import; Body of heater top is provided with steam outlet; A hollow sandwich is provided with between fire brick layer and incinerator inner bag; Be communicated with body of heater inner bottom part bottom this interlayer, this interlayer top and combustible gas outlet; Be provided with air inlet passage 3 in this interlayer, this air inlet channel upper is communicated with the air inlet set by upper of furnace body, and the bottom of air inlet passage is communicated with body of heater inner bottom part.
After house refuse enters body of heater, carrying out stirring by mixing component makes rubbish be evenly distributed, described mixing component provides power by hydraulic motor, by arranging two rows or three rows blade on the vertical axis, often arrange symmetrical two panels blade, drive this mixing component to operate and can reach the effect of house refuse in rabble furnace.Rubbish is successively through super-dry, destructive distillation, reaction, lime-ash four-stage in the process of sinking, and the reaction zone of furnace interior produces heat for rubbish destructive distillation and drying.
In dry run, the moisture in rubbish can be heated to form high-temperature vapor, and water-vapour density is little, rises to body of heater top steam outlet B, by air-introduced machine, this steam is introduced furnace bottom.Because this pyrolysis gasification furnace is by vapor recycle pipeline, high-temperature vapor can be produced in the process that rubbish is dried, steam due to density light, rise to furnace roof, in body of heater, dry rubbish from bottom to top in uphill process simultaneously, the steam outlet arranged by body of heater top is discharged, and then the steam import that the steam of discharge is arranged by bottom of furnace body is again delivered in stove by air-introduced machine.Thus by chemical reaction, the rubbish of steam and body of heater inner bottom part is more fully reacted, not only can generate more fuel gas carbon monoxide and hydrogen, can accept and leak simultaneously the fire grate of ash between cooled hearth and furnace bottom, the service life of fire grate can be extended.
In retort process, the carbon dioxide that the carbon in rubbish and reaction zone produce or the complete oxygen molecule reaction of reaction zone unreacted are fuel gas carbon monoxide.
At reaction zone, by air-introduced machine, the air in dump pit is passed through from air inlet A the reaction zone oxygen supply entering into lower portion of furnace body into air duct to the oxygen air that contains in dump pit, by the air preheat in the interlayer that formed between heat resisting steel inner bag and fire brick layer in the process that air is descending in the duct, this intake controls oxygen-supplying amount by the variable-frequency motor speed governing of blower fan, make oxygen feeding amount less to and the carbon of reaction zone rubbish produce generation oxidation reaction and produce a large amount of carbon monoxide, be commonly called as anoxycausis.
In clinker area, steam is introduced into furnace bottom steam import C from furnace roof, continues reaction by the unreacted carbon molecule in steam and lime-ash, and produce carbon monoxide and hydrogen, the carbon molecule of the steam that unreacted is complete and reaction zone reacts equally.
In stove, key reaction formula is as follows:
C + 1/2O
2= CO + 123217 kJ/kmol
CO
2+ C = CO - 162405 kJ/kmol
C + H
2O = CO + H
2- 118821 kJ/kmol
C + O
2= CO
2+ 408840kJ/kmol
C + 2H
2O = CO
2+ 2H
2- 75237 kJ/kmol。
The combustible gas mist that reaction in furnace produces utilizes after carrying other places to purify by fuel gas outlet D by gas pipeline.
The slag reacted completely, its clinker ignition loss is less than 3%, discharged by deslagging parts, deslagging parts are discharged in body of heater by the slag generated after domestic garbage gasification reaction, described deslagging parts comprise the fire grate that longitudinal section is eccentric taper, this fire grate is laminated by cast steel block to build into, has the gap for getting rid of slag between each cast steel block.This fire grate, by fluid motor-driven, rotates around central shaft, because it is in eccentric structural form, therefore when it rotates, not only can play the effect of deslagging, also can play the effect of stirring simultaneously.Slag falls in the tank of water-stop parts.Water-stop parts play sealing function, leak gas and slag leakage formation pollution to prevent body of heater.Then discharged by chain scraper conveyor.
Claims (6)
1. one way of life refuse pyrolysis gasification furnace, body of heater ecto-entad comprises incinerator shell, fire brick layer, incinerator inner bag; Bottom of furnace body is provided with deslagging parts, water-stop parts; It is characterized in that,
Upper of furnace body is provided with air inlet, combustible gas outlet; Bottom of furnace body is provided with steam import; Body of heater top is provided with steam outlet; A hollow sandwich is provided with between fire brick layer and incinerator inner bag; Be communicated with body of heater inner bottom part bottom this interlayer, this interlayer top and combustible gas outlet;
Be provided with air inlet passage in this interlayer, this air inlet channel upper is communicated with the air inlet set by upper of furnace body, and the bottom of air inlet passage is communicated with body of heater inner bottom part.
2. one way of life refuse pyrolysis gasification furnace according to claim 1, is characterized in that, described air inlet passage, and air is introduced furnace interior from body of heater outside, and the rubbish zoneofoxidation to body of heater inner bottom part is carried.
3. one way of life refuse pyrolysis gasification furnace according to claim 1, is characterized in that, the burning mixture generated in described body of heater is delivered to fuel gas outlet from bottom to top by described interlayer and discharges, and fuel gas heats air inlet passage.
4. one way of life refuse pyrolysis gasification furnace according to claim 1, is characterized in that, described bottom of furnace body is provided with steam import and body of heater top is provided with steam outlet formation vapor recycle pipeline.
5. one way of life refuse pyrolysis gasification furnace according to claim 1, is characterized in that, in body of heater, be provided with mixing component.
6. one way of life refuse pyrolysis gasification furnace according to claim 1, is characterized in that, the fire grate of described deslagging parts to be longitudinal sections be eccentric taper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410147370.8A CN104976621A (en) | 2014-04-14 | 2014-04-14 | Household garbage pyrolysis gasifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410147370.8A CN104976621A (en) | 2014-04-14 | 2014-04-14 | Household garbage pyrolysis gasifier |
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| Publication Number | Publication Date |
|---|---|
| CN104976621A true CN104976621A (en) | 2015-10-14 |
Family
ID=54273389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410147370.8A Pending CN104976621A (en) | 2014-04-14 | 2014-04-14 | Household garbage pyrolysis gasifier |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104949134A (en) * | 2015-06-23 | 2015-09-30 | 中国环境科学研究院 | Double-layer water seal anti-explosion pre-warning system for rubbish pyrolysis gasifier |
| CN107131502A (en) * | 2017-05-27 | 2017-09-05 | 四川奥恒环保科技有限公司 | Refuse pyrolysis plant |
| CN107152685A (en) * | 2017-05-31 | 2017-09-12 | 四川奥恒环保科技有限公司 | Domestic garbage pyrolysis stove with agitating device |
| CN112032734A (en) * | 2020-09-08 | 2020-12-04 | 大连理工大学 | Mobile garbage disposal vehicle driven by fuel cell and disposal method thereof |
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2014
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104949134A (en) * | 2015-06-23 | 2015-09-30 | 中国环境科学研究院 | Double-layer water seal anti-explosion pre-warning system for rubbish pyrolysis gasifier |
| CN107131502A (en) * | 2017-05-27 | 2017-09-05 | 四川奥恒环保科技有限公司 | Refuse pyrolysis plant |
| CN107152685A (en) * | 2017-05-31 | 2017-09-12 | 四川奥恒环保科技有限公司 | Domestic garbage pyrolysis stove with agitating device |
| CN112032734A (en) * | 2020-09-08 | 2020-12-04 | 大连理工大学 | Mobile garbage disposal vehicle driven by fuel cell and disposal method thereof |
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