CN105370405A - Domestic garbage pyrolysis gasification fuel gas electricity generation process - Google Patents
Domestic garbage pyrolysis gasification fuel gas electricity generation process Download PDFInfo
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- CN105370405A CN105370405A CN201410409765.0A CN201410409765A CN105370405A CN 105370405 A CN105370405 A CN 105370405A CN 201410409765 A CN201410409765 A CN 201410409765A CN 105370405 A CN105370405 A CN 105370405A
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/14—Combined heat and power generation [CHP]
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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Abstract
The present invention discloses a domestic garbage pyrolysis gasification fuel gas electricity generation process, wherein raw domestic garbage is subjected to sorting, crushing and drying, pyrolysis gasification is performed to generate combustible gas, and the combustible gas is introduced into a fuel gas electricity generator to generate electricity. According to the present invention, the combustible gas generated through the garbage pyrolysis gasification is directly introduced into the fuel gas electricity generator to generate electricity without the intermediate link, such that the energy conversion is direct, the energy consumption is reduced, and the electricity generation efficiency is substantially improved; the waste heat gas generated by the fuel gas electricity generator is introduced into the expansion screw electricity generator to generate electricity again so as to substantially improve the generated electricity; and the tail gas generated by the expansion screw electricity generator is introduced into the drying apparatus to dry the domestic garbage, such that the heat energy of the tail gas is completely utilized, and the complete adsorption of the wet garbage on the harmful substances in the tail gas is achieved so as to reduce the emission of the harmful gas and achieve the two purposes.
Description
Technical field
The present invention relates to the processing technology field of domestic garbage, particularly relate to one way of life rubbish pyrolysis gasification burning electrification technique as well as.
Background technique
China is the first in the world large carbon emission state, second largest energy-consuming state; but the coal of China and petroleum resources deposit do not enrich; occupancy volume per person is lower; face energy crisis; and fossil energy in use discharges a large amount of harmful gases; befouling environment, affects the healthy of the people.Electric energy cleanliness without any pollution, can convert the other forms of energy such as mechanical energy, luminous energy, heat energy easily to, and extensively be utilized by people.Now, electric energy is inseparable with daily life.And along with the development of society, the quickening of urbanization process, urban population increases, living standards of the people improve, and the output of domestic waste is constantly increasing, and the composition of domestic garbage is also increasingly sophisticated, day by day serious to the harm of the pollution of environment and people ' s health, also limit the development in city.
If directly burned domestic garbage, a large amount of harm of dusty gas aggravation to environment can be given off.The daily household electricity of present people is mostly by thermal power generation, self-evident to the consumption of the energy.In order to solve energy problem, people have developed the multiple technological scheme and the equipment that the living beings such as stalk, leaf are carried out to pyrolysing gasification, generate inflammable gas, and be widely used in that rural area replaces that crop straw burning is used for cooking, heating etc., not only increase usefulness and greatly reduce the discharge of flue gas.It is wide that gas electricity generator has output power range, start-up and operation is reliably high, power generating quality is good, lightweight, volume is little, safeguard simple, low frequency and many good characteristics such as noise is little, if domestic garbage pyrolysis gasification can be generated inflammable gas in conjunction with above technology, inflammable gas is passed into gas electricity generator generate electricity, and the waste heat gas given off by gas electricity generator passes into expansive screw generator again generates electricity, the process problem of domestic garbage can not only be solved, electric energy can also be provided for daily life, process for domestic garbage is brought revolutionary impact, and the problem of energy shortage can be solved to a certain extent.
Application number be 201220184786.3 Chinese patent disclose the utility model patent of " garbage derivatived fuel integrated gas-steam combined cycle power plant device " by name, the Chinese patent of application number 201220184784.4 discloses the utility model patent of " garbage derivatived fuel combination type gas-steam combined cycle power generating device " by name, application number be 201220382981.7 Chinese patent disclose " a kind of mud by name, garbage derivatived fuel combination combined cycle generation system of fuel gas-steam " utility model patent, these technological scheme ubiquities can not make full use of heat energy, tail gas is direct or be indirectly discharged in air after simple process, heat energy in tail gas is wasted, tail gas containing heat energy not only can cause greenhouse effect but also can cause secondary pollution, the slag produced after waste incineration or pyrolysing gasification directly stacks or landfill also can affect soil property polluted source.
Summary of the invention
For solving above technical problem, the invention provides a kind of can be appropriate utilization and process domestic rubbish disposal process in all products, make full use of the heat energy of waste incineration, dioxin fully decomposes, the domestic garbage pyrolysis gasification burning electrification technique as well as of harmful gas zero-emission.
Above-mentioned purpose of the present invention is realized by following technical proposal:
One way of life rubbish pyrolysis gasification burning electrification technique as well as is by former domestic garbage through sorting, pulverizing and drying, then carries out pyrolysing gasification and generates inflammable gas, inflammable gas is passed into gas electricity generator and generates electricity; Comprise following step:
1) refuse classification: sub-elect the inorganic matters (being for recycling and reuse to inorganic matter) such as the metal in former domestic garbage, glass, stone, retains the organic substance in domestic garbage;
2) garbage crushing: after sorting being removed inorganic matter, remaining organic domestic waste is put into shredder and pulverized;
3) drying garbage: the organic domestic waste after pulverizing is put into drying equipment and carry out drying process;
4) rubbish pyrolysis gasification: dried organic domestic waste is put into pyrolysis gasification furnace, carries out pyrolysing gasification, obtain inflammable gas;
5) fuel gas generation: inflammable gas is passed into gas electricity generator and generates electricity;
6) cogeneration: the waste heat gas emitted by gas electricity generator is passed into expansive screw generator and generates electricity.
Further, the tail gas emitted by expansive screw generator in step 6) is passed into the drying equipment in step 3) after temperature adjustment, carries out drying to the organic domestic waste after pulverizing; Tail gas is used for garbage drying, and owing to pulverizing the suction-operated of rear rubbish, flue gas is substantially without discharge; More effectively utilize heat energy fully, reduce greenhouse effect.
Further, be passed in the drying equipment in step 3) after the tail gas that expansive screw generator emits being cooled to 150 ~ 200 DEG C (being preferably cooled to 180 DEG C), be relatively applicable to dry in this temperature range.
The invention has the beneficial effects as follows:
1, the inflammable gas directly utilizing rubbish pyrolysis to gasify to generate is passed into gas electricity generator and generates electricity, and transforms directly, reduce energy loss, greatly improve generating efficiency without medium tache efficiency; The waste heat gas that gas electricity generator produces is passed into expansive screw generator and again generates electricity, and substantially increases generated energy; The tail gas that expansive screw generator produces is passed into drying equipment and carries out drying to domestic garbage, namely the heat energy of tail gas is taken full advantage of, make again moist rubbish adsorb fully the harmful matter in tail gas, thus reduce the discharge of harmful gas, kill two birds with one stone;
2, first under anaerobic or oxygen lean conditions, carry out pyrolysing gasification instead of directly burn after drying garbage, greatly reducing the generation of dioxin; The combustible gas produced stores temperature through secondary air more than 850 degree and burns, and ensures that furnace temperature decomposes dioxin equably, avoids solid to burn because in-furnace temperature inequality causes part of fuel not reach decomposing dioxin temperature required and produce dioxin; Tail gas (waste heat gas) is for garbage drying, and owing to pulverizing the suction-operated of rear rubbish, flue gas is substantially without discharge;
3, by categorized consumer waste process, burned by the organic matter of not recoverable, generated electricity by the heat energy of acquisition, utilization efficiency of heat energy is high, effectively avoids producing greenhouse effect, and generating output is large; Cleanliness without any pollution, the every the same product in garbage processing procedure can obtain rationally and utilize fully, brings many benefits, turn waste into wealth while pollution abatement, is that happiness is created in the life of people while solving refuse pollution.
Accompanying drawing explanation
Fig. 1 is present invention process flow chart.
Specific embodiment
More describe technological scheme of the present invention in detail below by embodiment, but protection domain is not limited thereto.
The drying equipment related in following embodiment can select equipment disclosed in the patent of invention of " one way of life garbage drying equipment " by name.
The pyrolysis gasification furnace related in following embodiment can select equipment disclosed in the patent of invention of " one way of life rubbish pyrolysis gasification oven " by name or other like product.
embodiment: domestic garbage pyrolysis gasification burning electrification technique as well as of the present invention clicks step: 1) sub-elect the inorganic matters such as the metal in former domestic garbage, glass, stone, the process of sorting can be that artificial selection also can be selected by machine, with human eye, artificial selection obviously can see that (inorganic matter) is for degree, some workmans are used to raise the efficiency, by the inorganic matter that sub-elects as: metal, glass etc. are for recycling and reuse, by the inorganic matter sorted out as: stone, brick etc. can be used for preparing construction timber, retain the organic substance (organic principle) in domestic garbage; 2) after inorganic matter being removed in sorting, remaining organic domestic waste is put into shredder and is pulverized, and uses common waste disposer to carry out pulverizing; 3) organic domestic waste after pulverizing is put into drying equipment and carry out drying process, the tail gas produced in dried journey or moisture pass into vent gas treatment pond as Calcified pond or other treatment facility, discharge after process; 4) dried organic domestic waste is put into pyrolysis gasification furnace, carry out pyrolysing gasification, generate inflammable gas, form slag (residue) at furnace bottom, slag is used for firing fragment of brick; 5) inflammable gas is passed into gas electricity generator to generate electricity; 6) the waste heat gas emitted by gas electricity generator is passed into expansive screw generator and generates electricity.
The tail gas emitted by expansive screw generator in step 6) (becomes the dry hot gas shown in accompanying drawing) and is passed into the drying equipment in step 3) after temperature adjustment, drying is carried out to the organic domestic waste after pulverizing, the waste heat gas that hot gas is formed after being passed into heat-exchanger rig heat exchange is generally also in higher temperature, be directly used in drying and even can light rubbish, and rubbish itself can produce biogas, it is very dangerous for utilizing high-temperature gas to carry out drying.Tail gas is used for garbage drying, and owing to pulverizing the suction-operated of rear rubbish, flue gas is substantially without discharge; More effectively utilize heat energy fully, reduce greenhouse effect.After the practical application in October, 2013-2014 year April finds that the tail gas that expansive screw generator emits is cooled to 150 ~ 200 DEG C, be relatively applicable to garbage drying in scope, and be passed in drying equipment that to carry out dry General best again when tail gas cooling is adjusted to 180 DEG C.
Technological scheme in the present embodiment, in the practical application in October, 2013-2014 year April, achieves generating efficiency and generated energy all improves more than 80%, dioxin decompose more thoroughly and flue gas after adsorbing, the good result of vent gas treatment cost savings more than 72%.
The foregoing is only the preferred embodiments of the present invention, be not limited to invention, although with reference to previous embodiment to invention has been detailed description, for the technician in wooden field, it still can be modified to the technological scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.Within all spirit in invention and principle, any amendment done, equivalent replacement, improvement etc., within the protection domain that all should be included in invention.
Claims (3)
1. one way of life rubbish pyrolysis gasification burning electrification technique as well as, it is characterized in that: described domestic garbage pyrolysis gasification burning electrification technique as well as, through sorting, pulverizing and drying by former domestic garbage, then carry out pyrolysing gasification and generate inflammable gas, inflammable gas is passed into gas electricity generator and generates electricity;
Comprise following step:
1) refuse classification: sub-elect the inorganic matters (being for recycling and reuse to inorganic matter) such as the metal in former domestic garbage, glass, stone, retains the organic substance in domestic garbage;
2) garbage crushing: after sorting being removed inorganic matter, remaining organic domestic waste is put into shredder and pulverized;
3) drying garbage: the organic domestic waste after pulverizing is put into drying equipment and carry out drying process;
4) rubbish pyrolysis gasification: dried organic domestic waste is put into pyrolysis gasification furnace, carries out pyrolysing gasification, obtain inflammable gas;
5) fuel gas generation: inflammable gas is passed into gas electricity generator and generates electricity;
6) cogeneration: the waste heat gas emitted by gas electricity generator is passed into expansive screw generator and generates electricity.
2. one way of life rubbish pyrolysis gasification burning electrification technique as well as according to claim 1, it is characterized in that: the tail gas emitted by expansive screw generator in step 6) is passed into the drying equipment in step 3) after temperature adjustment, drying is carried out to the organic domestic waste after pulverizing.
3. domestic garbage pyrolysis gasification burning electrification technique as well as according to claim 2, is characterized in that: be passed into after the tail gas that expansive screw generator emits being cooled to 150 ~ 200 DEG C (being preferably cooled to 180 DEG C) in the drying equipment in step 3).
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| CN201410409765.0A CN105370405A (en) | 2014-08-20 | 2014-08-20 | Domestic garbage pyrolysis gasification fuel gas electricity generation process |
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| CN201410409765.0A CN105370405A (en) | 2014-08-20 | 2014-08-20 | Domestic garbage pyrolysis gasification fuel gas electricity generation process |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090930A (en) * | 2016-06-06 | 2016-11-09 | 珠海市云筒环保科技有限公司 | Refuse pyrolysis processing system and method |
| CN106085545A (en) * | 2016-06-21 | 2016-11-09 | 章兴荣 | A kind of distributed environment-friendly type organic solid waste substance treating method and system |
| CN106318464A (en) * | 2016-08-29 | 2017-01-11 | 赛能杰高新技术股份有限公司 | Method for producing fuel gas through pyrolysis of garbage and biomass |
| CN106367117A (en) * | 2016-08-29 | 2017-02-01 | 赛能杰高新技术股份有限公司 | Household garbage pyrolytic electricity generation method |
| CN106402887A (en) * | 2016-11-11 | 2017-02-15 | 北京神雾环境能源科技集团股份有限公司 | System and method for drying garbage by means of waste heat from flue gas |
| CN106424101A (en) * | 2016-12-12 | 2017-02-22 | 湖北环太生物质设备有限公司 | Method for harmlessly treating household garbage by carbonization, pyrolysis and gasification |
| CN106433849A (en) * | 2016-10-01 | 2017-02-22 | 湖北环太生物质设备有限公司 | Method for preparing gasifier fuel from household garbage |
| CN107365601A (en) * | 2017-09-09 | 2017-11-21 | 浙江恒鑫电力有限公司 | A kind of Biomass Gasification ＆ Power Generation method using agriculture and forestry organic waste material |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106090930A (en) * | 2016-06-06 | 2016-11-09 | 珠海市云筒环保科技有限公司 | Refuse pyrolysis processing system and method |
| CN106085545A (en) * | 2016-06-21 | 2016-11-09 | 章兴荣 | A kind of distributed environment-friendly type organic solid waste substance treating method and system |
| CN106085545B (en) * | 2016-06-21 | 2019-01-04 | 章兴荣 | A kind of organic solid waste substance treating method of distribution environment-friendly type and system |
| CN106318464A (en) * | 2016-08-29 | 2017-01-11 | 赛能杰高新技术股份有限公司 | Method for producing fuel gas through pyrolysis of garbage and biomass |
| CN106367117A (en) * | 2016-08-29 | 2017-02-01 | 赛能杰高新技术股份有限公司 | Household garbage pyrolytic electricity generation method |
| CN106318464B (en) * | 2016-08-29 | 2020-02-21 | 赛能杰高新技术股份有限公司 | Method for preparing fuel gas by pyrolyzing garbage and biomass |
| CN106433849A (en) * | 2016-10-01 | 2017-02-22 | 湖北环太生物质设备有限公司 | Method for preparing gasifier fuel from household garbage |
| CN106402887A (en) * | 2016-11-11 | 2017-02-15 | 北京神雾环境能源科技集团股份有限公司 | System and method for drying garbage by means of waste heat from flue gas |
| CN106424101A (en) * | 2016-12-12 | 2017-02-22 | 湖北环太生物质设备有限公司 | Method for harmlessly treating household garbage by carbonization, pyrolysis and gasification |
| CN107365601A (en) * | 2017-09-09 | 2017-11-21 | 浙江恒鑫电力有限公司 | A kind of Biomass Gasification ＆ Power Generation method using agriculture and forestry organic waste material |
| CN107365601B (en) * | 2017-09-09 | 2018-07-27 | 浙江恒鑫电力有限公司 | A kind of Biomass Gasification ＆ Power Generation method using agriculture and forestry organic waste material |
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Application publication date: 20160302 |