CN105018145A - Domestic garbage pyrolysis gasification power generation system - Google Patents

Domestic garbage pyrolysis gasification power generation system Download PDF

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Publication number
CN105018145A
CN105018145A CN201410162118.4A CN201410162118A CN105018145A CN 105018145 A CN105018145 A CN 105018145A CN 201410162118 A CN201410162118 A CN 201410162118A CN 105018145 A CN105018145 A CN 105018145A
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CN
China
Prior art keywords
domestic garbage
gas
power generation
generation system
pyrolysis gasification
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Pending
Application number
CN201410162118.4A
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Chinese (zh)
Inventor
陆贻昀
张鹏飞
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SHANGHAI LONGYANG ENVIRONMENTAL PROTECTION ENGINEERING Co Ltd
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SHANGHAI LONGYANG ENVIRONMENTAL PROTECTION ENGINEERING Co Ltd
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Priority to CN201410162118.4A priority Critical patent/CN105018145A/en
Publication of CN105018145A publication Critical patent/CN105018145A/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/12Heat utilisation in combustion or incineration of waste

Abstract

The invention relates to a domestic garbage pyrolysis gasification power generation system. The domestic garbage pyrolysis gasification power generation system comprises an incinerator, a tail gas purifying system and a power generation system, wherein the incinerator is a domestic garbage pyrolysis gasification furnace and is used for pyrolyzing the domestic garbage into combustible gas, solid dust is removed in a cyclone dust removal way, a heat exchanger is used for supplying heat energy to other systems needing the heat energy, the temperature of the combustible gas is lowered, acid gas and tar in the tail gas are removed by virtue of a desulphurization tower and a washing tower, and water in the tail gas is removed by virtue of an oil-water separator; the combustible gas is used for a gas internal combustion engine to generate power. The domestic garbage pyrolysis gasification power generation system is suitable for burning the domestic garbage in medium and small cities and can thoroughly treat the domestic garbage, generate the power, supply the heat energy and convert the waste into treasure.

Description

One way of life refuse pyrolysis gasification power generation system
Technical field
The present invention relates to consumer waste incineration treatment system, especially one way of life refuse pyrolysis gasification power generation system.
Background technology
Along with the raising of people's living standard, the domestic refuse produced every day is per capita also in continuous increase, the garbage treatment of current China mainly contains landfill and burns two kinds for the treatment of processs, 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 obnoxious flavoures, 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 inflammable gas by applicable pyrolytic gasification stove, so not only dispose domestic refuse, but also by the recovery of inflammable gas that produces and utilization, reach the effect turned waste into wealth, and can eucyclic operation and maintenance be formed.Therefore, as Chinese Patent Application No. 2014101473708, title be one way of life refuse pyrolysis vapourizing furnace set up a kind of stable, energy consumption is low, burning effective pyrolytic gasification stove is preferably treatment unit.But how to make full use of inflammable gas domestic refuse decomposited, hot water and steam, and the slag of toxicological harmless, realizing domestic garbage resource is the technical problem needing to solve further.
Summary of the invention
The object of the invention is to realize domestic garbage resource, propose one way of life refuse pyrolysis gasification power generation system.
Concrete technical scheme of the present invention is: one way of life refuse pyrolysis gasification power generation system, and this system comprises incinerator, tail gas clean-up, power generation system formation; Described incinerator is domestic garbage pyrolysis gasification oven, domestic garbage pyrolysis is become inflammable gas, solid dirt is wherein removed by cyclone dust removal, then the system of heat energy is needed to provide heat energy by interchanger to other, the temperature of inflammable gas self is reduced simultaneously, removed sour gas, the tar in tail gas again by thionizer, cleaning tower, then remove moisture wherein by water-and-oil separator; Described inflammable gas is used for gas internal-combustion engine generating.
Further, the tail gas after generating passes through three-way catalyst combustion reactor and cleaning tower, qualified discharge.
The present invention is applicable to the burning disposal of the domestic refuse of small and medium-sized cities, domestic refuse thoroughly can be processed and generate electricity, provides heat energy to bring benefit, turning waste into wealth.
Accompanying drawing illustrates:
Fig. 1 is one way of life refuse pyrolysis gasification power generation system schematic diagram of the present invention.
In figure: A: rubbish is driven a vehicle; B: garbage storing is cheated; C: vapourizing furnace feeding device; D: pyrolytic gasification stove; E: tornado dust collector; F: thionizer; G: cleaning tower; H: water-and-oil separator; I: gas-holder; J: boiler; K: gas internal-combustion engine and generating set; L: three-way catalytic converter; M: cleaning tower; N: chimney; O: slag building aggregate; P: electric power output equipment; Q: the first water solubles pond; R: flying dust pond; S: the second water solubles pond; T: extraneous water; U: water treatment station; V: neutralization reaction pond; W: diafiltration liquid pool; X: body refuse.
Concrete technical scheme
See Fig. 1, one way of life refuse pyrolysis gasification power generation system, rubbish is discharged into garbage storing hole B by dumper, to be driven a vehicle A garbage grab bucket spice by rubbish, and captures rubbish and enter vapourizing furnace feeding device C;
The air extracted in the B of garbage storing hole provides oxygen to pyrolytic gasification stove D, makes garbage storing cheat B simultaneously and forms negative pressure state, avoid garbage odor to fall apart outward.
Domestic garbage pyrolysis gasification oven can adopt the pyrolytic gasification stove of Chinese Patent Application No. 2014101473708 structure, this pyrolytic gasification stove D oxygen feeding amount is few, the inflammable gas outputs such as carbon monoxide can be produced by pyrolysis rubbish, wherein water-vapour density is comparatively light, continues reaction produce inflammable gas by induced draft fan from furnace roof introducing stove with rubbish.
Because pyrolytic gasification stove D is anoxycausis, introducing air is less, and in stove, rubbish is fuller, and producing dust in rubbish reaction process also can be fewer, and inflammable gas is delivered to tornado dust collector E and carries out the dust that depositing dust can remove more than 95%.Add and can remove dust completely in deacidifying process below.Without the need to the great number such as sack cleaner and gac cost.
Inflammable gas is being delivered in the process of thionizer F from tornado dust collector E, and can increase heat exchanger needs the link providing hot water and warm air to provide thermal source to other.Be divided into two-stage high-speed sprinkling buck in thionizer, wash away the sour gas in rubbish, tar, dust etc.Buck is from water treatment station U.
Inflammable gas through thionizer F is being cleaned further by cleaning tower G spray clear water.Thoroughly remove dust, tar etc.
Then inflammable gas is delivered to water-and-oil separator H removal moisture wherein, is pressed into gas-holder I by roots blower.
Inflammable gas in gas-holder is through depickling, dedusting, tar removing, dehydration.Extraneous hot-water supply or water vapour can be given by direct heating boiler J; Also can be used for gas internal-combustion engine as fuel, be delivered to gas internal-combustion engine and generating set K and be used for generating, the electric energy of generation supplies the electrical equipment of native system and neighbouring factory or national grid by electric power output equipment P.
Gas internal-combustion engine and generating set burning produce tail gas after unburnt combustion gas reacts away by three-way catalytic converter L again by cleaning tower M gas washing, then by chimney N discharge up to standard.
On the one hand produces inflammable gas after rubbish reaction in pyrolytic gasification stove D, reaction process temperature, can abundant after-flame more than 900 degree, and the slag building aggregate O of generation toxicological harmless after reaction, can be used as non-burning brick material of construction of Denging.
Garbage storing hole B can produce percolate in storage rubbish, flows into diafiltration liquid pool W by tank.Need flying dust pond R that water is housed below tornado dust collector and be used as water-lute, the dust in the inflammable gas collected can fall into flying dust pond R.Waste water after thionizer F and cleaning tower G, M process inflammable gas can be stored in the first water solubles pond Q and the second water solubles pond S respectively.Wherein diafiltration liquid pool W, flying dust pond R, the first water solubles pond Q, the second water solubles pond S have acidic substance also to have alkaline matter, whole introducing neutralization reaction pond V carries out neutralization reaction, add a small amount of medicament again, the expense individually processed can be saved, by draining screen, body refuse X is wherein taken out landfill after fixed line again, reduce the amount of more than 98% of the direct landfill of rubbish thus.
The reacted water of neutralization reaction pond V and extraneous water T introduce conventional water treatment station U purifying treatment and namely can be used for native system water cycle.

Claims (2)

1. one way of life refuse pyrolysis gasification power generation system, is characterized in that, this system comprises incinerator, tail gas clean-up, power generation system formation; Described incinerator is domestic garbage pyrolysis gasification oven, domestic garbage pyrolysis is become inflammable gas, solid dirt is wherein removed by cyclone dust removal, then the system of heat energy is needed to provide heat energy by interchanger to other, the temperature of inflammable gas self is reduced simultaneously, removed sour gas, the tar in tail gas again by thionizer, cleaning tower, then remove moisture wherein by water-and-oil separator; Described inflammable gas is used for gas internal-combustion engine generating.
2. one way of life refuse pyrolysis gasification power generation system according to claim 1, is characterized in that, the tail gas after generating passes through three-way catalyst combustion reactor and cleaning tower, qualified discharge.
CN201410162118.4A 2014-04-22 2014-04-22 Domestic garbage pyrolysis gasification power generation system Pending CN105018145A (en)

Priority Applications (1)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105296337A (en) * 2015-11-16 2016-02-03 中冶南方工程技术有限公司 Community organic matter in-place digestion degradation biogas preparation electrical power generating system, and applications thereof
CN105509061A (en) * 2016-01-07 2016-04-20 厦门青山绿水再生资源有限公司 Domestic refuse suspension-type combustion carbonization pyrolysis system and treatment technique thereof
CN105689360A (en) * 2016-03-03 2016-06-22 中冶东方工程技术有限公司 System and technology utilizing converter gas for gasifying household refuse to achieve incineration and power generation
CN106122972A (en) * 2016-06-24 2016-11-16 国网安徽省电力公司黄山供电公司 A kind of network system utilizes the method that disposed waste generates electricity
CN107488467A (en) * 2016-06-13 2017-12-19 安徽国金环保再生资源开发有限公司 A kind of house refuse Di bioxin gasification power generation system and method
CN110922991A (en) * 2018-09-19 2020-03-27 深圳龙澄高科技环保股份有限公司 Ultrahigh heat value garbage split drying gasification internal combustion power generation technology

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JP2008208275A (en) * 2007-02-27 2008-09-11 Mitsubishi Heavy Ind Ltd Power generation system of organic fuel gasification and method
CN101974351A (en) * 2010-08-09 2011-02-16 高邮市林源科技开发有限公司 Scale fixed bed biomass gasification power generation production technology and complete equipment
CN102408917A (en) * 2011-10-11 2012-04-11 华中科技大学 High-density biomass fuel preparing system
CN103320168A (en) * 2012-08-10 2013-09-25 襄阳品冠恒大环境工程有限公司 Power generating technology using purified garbage pyrolysis gas
CN203265244U (en) * 2013-04-26 2013-11-06 邢力 Equipment for fuel gas preparation and gas power generation by virtue of household garbage
CN103658157A (en) * 2013-10-30 2014-03-26 郭强 Processing method of solid waste homogeneity modified gasification cleaning electricity generation

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008208275A (en) * 2007-02-27 2008-09-11 Mitsubishi Heavy Ind Ltd Power generation system of organic fuel gasification and method
CN101974351A (en) * 2010-08-09 2011-02-16 高邮市林源科技开发有限公司 Scale fixed bed biomass gasification power generation production technology and complete equipment
CN102408917A (en) * 2011-10-11 2012-04-11 华中科技大学 High-density biomass fuel preparing system
CN103320168A (en) * 2012-08-10 2013-09-25 襄阳品冠恒大环境工程有限公司 Power generating technology using purified garbage pyrolysis gas
CN203265244U (en) * 2013-04-26 2013-11-06 邢力 Equipment for fuel gas preparation and gas power generation by virtue of household garbage
CN103658157A (en) * 2013-10-30 2014-03-26 郭强 Processing method of solid waste homogeneity modified gasification cleaning electricity generation

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105296337A (en) * 2015-11-16 2016-02-03 中冶南方工程技术有限公司 Community organic matter in-place digestion degradation biogas preparation electrical power generating system, and applications thereof
CN105509061A (en) * 2016-01-07 2016-04-20 厦门青山绿水再生资源有限公司 Domestic refuse suspension-type combustion carbonization pyrolysis system and treatment technique thereof
CN105689360A (en) * 2016-03-03 2016-06-22 中冶东方工程技术有限公司 System and technology utilizing converter gas for gasifying household refuse to achieve incineration and power generation
CN105689360B (en) * 2016-03-03 2017-12-26 中冶东方工程技术有限公司 A kind of system and technique of the domestic garbage burning electricity generation that gasified using coal gas of converter
CN107488467A (en) * 2016-06-13 2017-12-19 安徽国金环保再生资源开发有限公司 A kind of house refuse Di bioxin gasification power generation system and method
CN106122972A (en) * 2016-06-24 2016-11-16 国网安徽省电力公司黄山供电公司 A kind of network system utilizes the method that disposed waste generates electricity
CN110922991A (en) * 2018-09-19 2020-03-27 深圳龙澄高科技环保股份有限公司 Ultrahigh heat value garbage split drying gasification internal combustion power generation technology

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