CN105983568A - Gas power generation technology utilizing pyrolysis and gasification RDF-5 prepared through biomass without flue gas emission - Google Patents

Gas power generation technology utilizing pyrolysis and gasification RDF-5 prepared through biomass without flue gas emission Download PDF

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Publication number
CN105983568A
CN105983568A CN201610488686.2A CN201610488686A CN105983568A CN 105983568 A CN105983568 A CN 105983568A CN 201610488686 A CN201610488686 A CN 201610488686A CN 105983568 A CN105983568 A CN 105983568A
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China
Prior art keywords
gas
drying
rdf
mechanical
power generation
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Pending
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CN201610488686.2A
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Chinese (zh)
Inventor
张光杰
林春堆
郭盛果
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FUJIAN ZHENGREN ENVIRONMENTAL PROTECTION Co Ltd
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FUJIAN ZHENGREN ENVIRONMENTAL PROTECTION Co Ltd
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Priority to CN201610488686.2A priority Critical patent/CN105983568A/en
Publication of CN105983568A publication Critical patent/CN105983568A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B3/00Destroying solid waste or transforming solid waste into something useful or harmless
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B5/00Operations not covered by a single other subclass or by a single other group in this subclass

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  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

The invention discloses a gas power generation technology utilizing pyrolysis and gasification RDF-5 prepared through biomass without flue gas emission. The biomass is treated for forming bar-shaped or block-shaped solid refuse derived fuel (RDF-5), the RDF-5 fuel undergoes pyrolysis and gasification for generating combustible gas, the combustible gas is utilized for gas power generation, and waste heat gas generated in the gas power generation process is used for drying refuse and supplying oxygen to pyrolysis and gasification. According to the gas power generation technology, comprehensive utilization of waste resources is realized, and the maximum economic benefit is realized; the RDF-5 undergoes pyrolysis and gasification, the combustible gas obtained through pyrolysis and gasification is used for gas power generation, the waste heat gas generated in the gas power generation process is used for drying the refuse, and therefore cyclic utilization of the heat energy is realized; the refuse absorbs smoke in the waste heat gas, stinky gas is guided into a pyrolysis and gasification furnace for supplying oxygen and removing bad smell, dioxin emission is extremely low, and secondary pollution generated in the refuse treatment process is greatly lowered.

Description

Living beings prepare RDF-5 pyrolytic gasification smokeless process of power generation by gas
Technical field
The present invention relates to the processing technology field of living beings, particularly relate to a kind of living beings prepare RDF-5 pyrolytic gasification without Fume emission process of power generation by gas.
Background technology
With the fast development of China's economy, the domestic waste yield of China increases day by day, and the process of rubbish is Become the problem that China big and medium-sized cities must solve;The municipal refuse annual production of current China is about to 1. 5 hundred million tons, and goes back year by year Increasing;How to realize that domestic waste is innoxious, " three change " of minimizing and resource processes the focus having become research. House refuse is sorted, selects combustible constituent and make bar-shaped or block solid waste derivatived fuel (RDF-5), by RDF-5 Fuel carries out pyrolytic gasification and obtains fuel gas, is passed into fuel gas in gas electricity generator and carries out the technical side of fuel gas generation Case those skilled in the art have been carried out research, and achieve certain technological achievement.
Above house refuse is made that fuel rod is bar-shaped or block solid waste derivatived fuel (RDF-5) pyrolytic gasification combustion The garbage treating process of gas generating is after actual motion after a while, and discovery still exists some possibly through technology The problem improved and have been resolved, for example: distributing rationally of crude waste resource cannot be accomplished;Utilize RDF-5 pyrolytic gasification and If the direct discharge of waste heat gas that the fuel gas generating produces during carrying out fuel gas generation can cause secondary pollution, if individually Processing and needing higher processing cost, heat energy cannot be fully used.
Content of the invention
Waste resources is distributed rationally, heat energy makes full use of, extremely low two English discharges to it is an object of the invention to provide one Living beings prepare RDF-5 pyrolytic gasification smokeless process of power generation by gas.
The above-mentioned purpose of the present invention is realized by following technical proposal:
Living beings prepare RDF-5 pyrolytic gasification smokeless process of power generation by gas, including following step:
1) living beings are carried out broken bag process;
2) artificial screening is carried out to the living beings after broken bag;Selecting recyclable plastics, after cleaning, regeneration and granulation (causes plastic pellet Son);Select stone, fragment of brick etc. to crush, as environment-friendly building materials raw material after crushing;Select glass, clean laggard oozy glass and draw Silk;
3) by step 2) residual refuse after artificial screening crosses tramp iron separator and removes iron;
4) rubbish after iron is crossed No. 1 mechanical picker that aperture is 6cm;
5) screenings of in step 4) No. 1 mechanical picker is crossed No. 2 mechanical pickers that aperture is 2cm;
6) screenings of in step 5) No. 2 mechanical pickers is done compost treatment, form fertile soil;
7) oversize of in step 4) No. 1 mechanical picker being carried out coarse crushing, the particle diameter making the material particles after crushing is general (except less Outside amount is not crushed to) at below 6cm;
8) material after step 7) coarse crushing is crossed No. 3 mechanical pickers that aperture is 4cm;
9) oversize of in step 8) No. 3 mechanical pickers being carried out fine crushing, the particle diameter making the material particles after crushing is general (except less Outside amount is not crushed to) at below 4cm;
10) by No. 2 mechanical pickers in the screenings of in step 8) No. 3 mechanical pickers, step 9) fine crushing gained material and step 5) Carry out hydraulic pressure dehydration after oversize mixing;
11) material completing hydraulic pressure dehydration is sent into biological drying room and carry out biological drying sterilization;
12) material after completing biological drying sterilization is sent in mechanical drying cylinder and is dried, and makes the material after drying contain Water rate is less than 40%;
13) bar-producing machine sent into by the material after drying, and makes bar-shaped or block solid waste derivatived fuel (RDF-5);
14) bar-shaped or block solid waste derivatived fuel (RDF-5) feeding pyrolysis gasification furnace is carried out pyrolytic gasification, obtain combustible gas Body;
15) fuel gas is passed through gas electricity generator and carries out fuel gas generation;
16) the waste heat gas producing during fuel gas generation is passed into the mechanical drying of step 12) as drying heat source gas In cylinder;
17) moisture that mechanical drying cylinder produces in drying course is condensed;
18) after condensing moisture, gained gas is passed in the pyrolysis gasification furnace of step 14) in right amount, is its internal pyrolytic gasification Reaction oxygen supply;
19) if moisture condensation after gained gas for step 18) after still have residue, enter this step: remaining gas is led to Enter to the biological drying of step 11) indoor, increase heat energy for biological dry disinfection.
Further, described living beings include in house refuse, agriculture and forestry organic waste material, human and animal excreta and spoil etc. Plant or several.
The invention has the beneficial effects as follows:
1st, living beings are carried out classification and reclaim the raw material being respectively prepared plastic products, glassware and construction material, remain organic Bar-shaped or block solid waste derivatived fuel (RDF-5) fuel made by rubbish, it is achieved the comprehensive utilization of waste resource, plays maximum Economic benefit;
2nd, by bar-shaped or block solid waste derivatived fuel (RDF-5) pyrolytic gasification, pyrolytic gasification gained fuel gas is used for firing Gas generates electricity, and the waste heat gas producing is used for dried material rubbish, it is achieved recycling of heat energy during fuel gas generation, improves Economic benefit;
3rd, utilizing waste hot air body dried material rubbish, the flue dust in waste heat gas is played suction-operated by material rubbish;A part It is dried produced foul smell and is passed into pyrolysis gasification furnace, be pyrolytic gasification oxygen supply in pyrolysis gasification furnace, containing a small amount of steam Gas is passed in pyrolysis gasification furnace the redox reaction can accelerated in pyrolysis gasification furnace, produces more fuel gas; Realize extremely low two English discharges, be substantially reduced the secondary pollution causing in garbage processing procedure.
Brief description
Fig. 1 is present invention process flow chart.
Specific embodiment
Carry out technical scheme detailed further below by embodiment, but protection domain is not limited to this.
Embodiment: living beings prepare RDF-5 pyrolytic gasification smokeless process of power generation by gas, as it is shown in figure 1, be by life Material (house refuse, garden waste, human and animal excreta and spoil etc. are referred to as living beings) processes system through a series of Become bar-shaped or block solid waste derivatived fuel (RDF-5) bar-shaped or patch fuel, by derivative for bar-shaped or block solid waste combustion Material (RDF-5) is bar-shaped or patch fuel carries out pyrolytic gasification and generates fuel gas, utilizes fuel gas to carry out fuel gas generation, in combustion The waste heat gas producing during gas generating is respectively used to drying garbage and is in pyrolytic gasification oxygen supply, thus reaches thermal source and combine Close utilization, extremely low two English discharges and the purpose increasing economic benefit.Specifically include following step:
1) living beings are carried out broken bag process (abolish refuse bag so that it is in rubbish shed and be convenient for next step place's science and engineering Make);
2) artificial screening is carried out to the living beings after broken bag;Selecting recyclable plastics, after cleaning, regeneration and granulation (causes plastic pellet As plastic shaping raw material);Select stone, fragment of brick etc. to crush, as environment-friendly building materials raw material after crushing;Select glass, clearly Wash laggard oozy glass wire drawing;
3) by step 2) residual refuse after artificial screening crosses tramp iron separator and removes iron;
4) rubbish after iron is crossed No. 1 mechanical picker that aperture is 6cm;
5) screenings of in step 4) No. 1 mechanical picker is crossed No. 2 mechanical pickers that aperture is 2cm;
6) screenings of in step 5) No. 2 mechanical pickers is done compost treatment, form fertile soil;
7) oversize of in step 4) No. 1 mechanical picker being carried out coarse crushing, the particle diameter making the material particles after crushing is general (except less Outside amount is not crushed to) at below 6cm;
8) material after step 7) coarse crushing is crossed No. 3 mechanical pickers that aperture is 4cm;
9) oversize of in step 8) No. 3 mechanical pickers being carried out fine crushing, the particle diameter making the material particles after crushing is general (except less Outside amount is not crushed to) at below 4cm;
10) by No. 2 mechanical pickers in the screenings of in step 8) No. 3 mechanical pickers, step 9) fine crushing gained material and step 5) Carry out hydraulic pressure dehydration after oversize mixing;
11) material completing hydraulic pressure dehydration is sent into biological drying room and (refer to another entitled " a kind of biological drying disinfection room " Patent application) carry out biological drying sterilization;
12) material after completing biological drying sterilization is sent in mechanical drying cylinder and is dried, and makes the material after drying contain Water rate is less than 40%;
Wherein, in step 10), it is every 40 ~ 60cm that hydraulic pressure is dehydrated its pressure size2Bear 400 ~ 600T pressure, make material aqueous Rate (the moisture percentage by weight overall with material) is less than 50%;In step 11), the material water ratio after biological drying sterilization is little In 45%;This has concrete introduction in the patent application of another entitled " a kind of bioanalysis drying garbage sterilization process ".
13) bar-producing machine sent into by the material after drying, and makes bar-shaped or block solid waste derivatived fuel (RDF-5);
14) bar-shaped or block solid waste derivatived fuel (RDF-5) feeding pyrolysis gasification furnace is carried out pyrolytic gasification, obtain combustible gas Body;
15) fuel gas is passed through gas electricity generator and carries out fuel gas generation;
16) the waste heat gas producing during fuel gas generation is passed into the mechanical drying of step 12) as drying heat source gas In cylinder, the material (granulated garbage) in mechanical drying cylinder is dried, makes heat-source Cycles utilize;
17) moisture that mechanical drying cylinder produces in drying course is carried out condensing (condensed temperature is generally less than 50 °, The moisture content making gas is down to 20% ~ 30%), make water vapor condensation be aqueous water thus reduce gas gross, remove steam Can also avoid producing cooling effect during next step oxygen supply;
18) after condensing moisture, gained gas is passed in the pyrolysis gasification furnace of step 14) in right amount, is its internal pyrolytic gasification Reaction oxygen supply, after the gas containing a small amount of steam enters gasification furnace, steam produces more with carbon generation redox reaction Fuel gas;
19) if moisture condensation after gained gas for step 18) after still have residue, enter this step: remaining gas is led to Enter to the biological drying of step 11) indoor, increase heat energy for biological dry disinfection, accelerate fermentation reaction, reduce fermentation dried Time.
During March 2015 November in 2014, Fujian Zheng Ren environmental protection Co., Ltd utilizes the technical side in the present embodiment Case and former technical scheme have carried out contrast experiment, it is found that: the living beings of isodose, utilize the technical scheme in the present embodiment Billy with former technical scheme generated energy improve more than 30%, dioxin emission is substantially reduced, overall economic benefit improve 35% with On.
The foregoing is only the preferred embodiments of the present invention, be not limited to invention, although with reference to aforementioned enforcement The present invention has been described in detail by example, and for a person skilled in the art, it still can be to foregoing embodiments Described technical scheme is modified, or carries out equivalent to wherein portion of techniques feature.All invention spirit and Within principle, any modification, equivalent substitution and improvement etc. made, should be included within the protection domain of invention.

Claims (2)

1. living beings prepare RDF-5 pyrolytic gasification smokeless process of power generation by gas, it is characterised in that include following step Rapid:
1) living beings are carried out broken bag process;
2) artificial screening is carried out to the living beings after broken bag;Select recyclable plastics, regeneration and granulation after cleaning;Select stone, brick Blocks etc. crush, as environment-friendly building materials raw material after crushing;Select glass, clean laggard oozy glass wire drawing;
3) by step 2) residual refuse after artificial screening crosses tramp iron separator and removes iron;
4) rubbish after iron is crossed No. 1 mechanical picker that aperture is 6cm;
5) screenings of in step 4) No. 1 mechanical picker is crossed No. 2 mechanical pickers that aperture is 2cm;
6) screenings of in step 5) No. 2 mechanical pickers is done compost treatment (formation fertile soil);
7) oversize of in step 4) No. 1 mechanical picker being carried out coarse crushing, the particle diameter making the material particles after crushing is general (except less Outside amount is not crushed to) at below 6cm;
8) material after step 7) coarse crushing is crossed No. 3 mechanical pickers that aperture is 4cm;
9) oversize of in step 8) No. 3 mechanical pickers being carried out fine crushing, the particle diameter making the material particles after crushing is general (except less Outside amount is not crushed to) at below 4cm;
10) by No. 2 mechanical pickers in the screenings of in step 8) No. 3 mechanical pickers, step 9) fine crushing gained material and step 5) Carry out hydraulic pressure dehydration after oversize mixing;
11) material completing hydraulic pressure dehydration is sent into biological drying room and carry out biological drying sterilization;
12) material after completing biological drying sterilization is sent in mechanical drying cylinder and is dried, and makes the material after drying contain Water rate is less than 40%;
13) bar-producing machine sent into by the material after drying, and makes bar-shaped or block solid waste derivatived fuel (RDF-5);
14) bar-shaped or block solid waste derivatived fuel (RDF-5) feeding pyrolysis gasification furnace is carried out pyrolytic gasification, obtain combustible gas Body;
15) fuel gas is passed through gas electricity generator and carries out fuel gas generation;
16) the waste heat gas producing during fuel gas generation is passed into the mechanical drying of step 12) as drying heat source gas In cylinder;
17) moisture that mechanical drying cylinder produces in drying course is condensed;
18) after condensing moisture, gained gas is passed in the pyrolysis gasification furnace of step 14) in right amount, is its internal pyrolytic gasification Reaction oxygen supply;
19) if moisture condensation after gained gas for step 18) after still have residue, enter this step: remaining gas is led to Enter to the biological drying of step 11) indoor, increase heat energy for biological dry disinfection.
2. living beings according to claim 1 prepare RDF-5 pyrolytic gasification smokeless process of power generation by gas, its feature It is: described living beings include one or more in house refuse, agriculture and forestry organic waste material, human and animal excreta and spoil etc..
CN201610488686.2A 2016-06-29 2016-06-29 Gas power generation technology utilizing pyrolysis and gasification RDF-5 prepared through biomass without flue gas emission Pending CN105983568A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106734061A (en) * 2016-11-28 2017-05-31 中国环境科学研究院 Rubbish combined treatment process and system
CN106734082A (en) * 2016-12-19 2017-05-31 湖南万容科技股份有限公司 A kind of life refuse processing method
CN106799387A (en) * 2016-12-21 2017-06-06 四川雷鸣环保装备有限公司 The method for preparing derivatived fuel RDF, biological organic fertilizer and inorganic building material as raw material with rubbish
CN110846077A (en) * 2019-12-23 2020-02-28 河南电研新能源科技有限公司 Biomass gasification production equipment and production method using garbage derived raw materials as raw materials

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008142684A (en) * 2006-12-13 2008-06-26 Mitsubishi Heavy Ind Ltd Heat utilization system, operating method when this system starts or stops, and heat treatment system
CN201836894U (en) * 2010-10-22 2011-05-18 河南省澳斯迪环保机械有限责任公司 Garbage incinerator
CN103934251A (en) * 2014-01-21 2014-07-23 上海程胜环保科技有限公司 Human household garbage disposition and recycling method
CN204113365U (en) * 2014-08-20 2015-01-21 福建正仁环保有限公司 Domestic garbage prepares RDF pyrolysing gasification combustion gas clean and effective power generation system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008142684A (en) * 2006-12-13 2008-06-26 Mitsubishi Heavy Ind Ltd Heat utilization system, operating method when this system starts or stops, and heat treatment system
CN201836894U (en) * 2010-10-22 2011-05-18 河南省澳斯迪环保机械有限责任公司 Garbage incinerator
CN103934251A (en) * 2014-01-21 2014-07-23 上海程胜环保科技有限公司 Human household garbage disposition and recycling method
CN204113365U (en) * 2014-08-20 2015-01-21 福建正仁环保有限公司 Domestic garbage prepares RDF pyrolysing gasification combustion gas clean and effective power generation system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106734061A (en) * 2016-11-28 2017-05-31 中国环境科学研究院 Rubbish combined treatment process and system
CN106734082A (en) * 2016-12-19 2017-05-31 湖南万容科技股份有限公司 A kind of life refuse processing method
CN106799387A (en) * 2016-12-21 2017-06-06 四川雷鸣环保装备有限公司 The method for preparing derivatived fuel RDF, biological organic fertilizer and inorganic building material as raw material with rubbish
CN110846077A (en) * 2019-12-23 2020-02-28 河南电研新能源科技有限公司 Biomass gasification production equipment and production method using garbage derived raw materials as raw materials

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Application publication date: 20161005