CN101451707A - Process flow for zero discharge rubbish power generation comprehensive utilization plant - Google Patents
Process flow for zero discharge rubbish power generation comprehensive utilization plant Download PDFInfo
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- CN101451707A CN101451707A CNA2008101669972A CN200810166997A CN101451707A CN 101451707 A CN101451707 A CN 101451707A CN A2008101669972 A CNA2008101669972 A CN A2008101669972A CN 200810166997 A CN200810166997 A CN 200810166997A CN 101451707 A CN101451707 A CN 101451707A
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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
- Y02E20/12—Heat utilisation in combustion or incineration of waste
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
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Abstract
The invention discloses a technological process of zero discharge garbage power generation comprehensive utilization plant, which is according to a law of conservation of matter and a theory obtained after a couple of years' research that 'by using physical thermodynamic property of working matter and equipment of overheat pump, heat source of low temperature can be used as heat source of high temperature'. Power generation cost in use of the invention is lower than cost of a series of technologies and equipments of solar power plant with thermal power generation: low pressure vapor produced by burning of the garbage in a boiler is changed into super critical pressure liquid to push a steam turbine to generate power, thus realizing circulation of water and steam; gases like carbon monoxide and carbon dioxide produced by burning of the garbage are fed to combined chemical enterprises to generate combined gas, combined ammonia, etc., and to further combine gasoline and diesel oil; while waste dust produced during the circulation is transferred to a construction material shop to produce construction materials of various types. The technological process of zero discharge garbage power generation comprehensive utilization plant is characterized by whole utilization of the garbage and realization of the zero discharge to surrounding environment.
Description
Technical field:
The present invention relates to recycling economy, technical fields such as environmental pollution improvement and energy science and technology.
Background technology:
Rubbish serious environment pollution and take a large amount of soils.The annual quantity of refuse that produces of China surpasses hundred million tons of hundreds ofs, and no small city is surrounded by rubbish.China needs a large amount of oil of import to produce gasoline and diesel oil every year, and continuous rising of oil price is the one of the main reasons that causes China's price constantly to rise.
In the process of chemical products such as human use's Petroleum Production gasoline and diesel oil; Automobile is all discharged a large amount of carcinogenic substances under steam, the life security that serious prestige is assisted the mankind.
Oil and natural gas equal energy source resource have become one of main target of world big powers contention now.Do not stint and dispatch troops Iraq in order to control the bunker Middle East, the world as the U.S..China not only can constitute significant stress to China's curbing inflation as continuing to rely on foreign petroleum resources, and one is alarmed by the rustling of leaves in the world, with regard to the social stability and the national security of entail dangers to China.
Artificially synthetic gasoline and diesel oil, not only the product after the burning is carbon dioxide and water.And carbon dioxide can reclaim and be used for producing synthesis gas, and comes synthetic gasoline and diesel oil with synthesis gas.Therefore, environment is not polluted.
China produces the phosphorus content in the rubbish every year, is far longer than the phosphorus content of the annual recover petroleum total amount in the whole world.Utilize the carbon monoxide and the carbon dioxide that are produced in the garbage power burning, add with solar electrical energy generation to produce a large amount of cheap hydrogen that cheap electric power brine electrolysis is produced, just can produce the synthesis gas of a large amount of cheapnesss.
Synthesis gas main application: produce formaldehyde, acetic acid, synthetic ammonia, butanols, octanol, higher aliphatic, the sour fat of different green grass or young crops, methyl tertiary butyl ether(MTBE), hydro carbons etc. and change product and produce 100 multiple products such as methyl alcohol, dimethyl ether, synthetic natural gas, combined diesel oil, synthetic gasoline.
The annual production of synthesis gas has reached more than 100 ten thousand tons in the world now.The production method of synthesis gas has now: conversion of natural gas method, gas by partial oxidation of natural method, fine coal continuous gasification method, water-coal-slurry continuous gasification method etc.These production methods not only consume a large amount of fossil energies, and serious environment pollution.
We can determine theoretically: synthesis gas can synthetic world on all hydrocarbons.Therefore, carbon dioxide adds water and cheap electric power, just can all replace coal, oil and natural gas.Therefore, with garbage power and utilize carbon monoxide and the carbon dioxide that produces in the incineration firing process, add the hydrogen of a large amount of cheapnesss that the cheap electric power brine electrolysis that utilizes solar energy to send is produced, just can produce the synthesis gas of a large amount of cheapnesss; Be used for synthetic gasoline and diesel oil; Synthesizing all is all products of raw material by coal, oil and natural gas, and its production cost is lower than the product of being produced as raw material by coal, oil and natural gas, is complete possibility.Therefore, utilizing garbage power and produce synthesis gas, is the basic method that solves energy problem, problem of environmental pollution and realization recycling economy.
Utilize the combustion refuse generating, had a plurality of industrialized countries to carry out.But go back the example that neither one obtains complete success so far.Main cause is that the combustion heat value of rubbish is lower and unstable; In burning, produce a large amount of pernicious gas, dust and waste sludge discharges and serious environment pollution.Therefore, cost of electricity-generating is high and unactual, so cannot promote.And the present invention is in order thoroughly to solve above problem service.
Summary of the invention:
The present invention adopts low-pressure boiler to utilize the heat that produces in the incineration firing to produce a large amount of low pressure water vapors.Because the calorific value of incineration firing is lower, and unstable, so the temperature and pressure of the water vapour that produces is all lower and unstable.Be not suitable for being used for the generating of direct pushing turbine.Because temperature and pressure is that the thermal efficiency that unsettled water vapour directly is used for generating electricity is very low like this, and is uneconomical economically.Therefore, the water vapour that boiler produces is sent to the steam storehouse of relevant pressure, and becomes supercritical liq come the pushing turbine generating after compressing increasing temperature and pressure layer by layer.The low temperature and low pressure water vapor that discharge the generating back is delivered to vacuum circulated water warehouse by air ejector; Do not become the water vapour of water, be used for generating by the vapor recovery warehouse recovery.
The moisture content that low pressure water vapor contained that boiler produces and water vapour be sent to the steam storehouse of corresponding pressure together and the condensate water that produces in the compression process layer by layer together, flow to vapor recovery warehouse; And and vapor recovery warehouse in the condensate water that produces together, flow into vacuum circulated water warehouse.Heat becomes steam and is used for generating by the vapor recovery warehouse recovery in the storehouse; And be lower than 5 ℃ cold water in the water temperature of vacuum circulated water warehouse, then delivered on the heat exchanger of the mist pressure piping that the associating chemical enterprise is carried by water pump, and with the mist reverse direction operation.Water after being heated is sent to boiler, to produce low pressure water vapor, so continuous circular flow.
Gas such as the carbon monoxide that rubbish produces in burning, carbon dioxide and contain the mist of peculiar smell, the gas in postpartum is sent gas pipeline to through the compressed again machine pressurization of dust removal and filtration together after heat exchanger heats becomes hot blast to enter boiler auxiliary combustion; And after cools down, be sent to the associating chemical enterprise to produce synthesis gas, synthetic ammonia etc.; And then product such as synthetic gasoline, diesel oil.
A large amount of stove quarrels that rubbish produces in burning and the dust that reclaims are sent to the construction material workshop, together as the raw material of the construction material of producing various models.Contain a large amount of available metallic elements or trace element in the dust as stove quarrel and recovery, then be sent to the associating chemical enterprise, utilize these as raw material, the corresponding product of production market demand.Therefore, in the whole process of production, there are not waste water, useless quarrel, dust and harmful gas outwards to discharge, so be very environmental protection.
The specific embodiment:
1. vacuumize to get rid of in the rubbish and contain the gas of peculiar smell, and the gas that will contain peculiar smell is transported to gas heat-exchanger, become and be transported to boiler behind the hot blast and play combustion-supporting effect.
Rubbish generally all can send a large amount of toxic gases, and not only smell is poor, and can have a strong impact on the healthy of workman.For a good working environment is arranged, so just by the vacuum suction passage, the pernicious gas of rubbish quilt was by taking away here when rubbish was marched into the arena.The gas that peculiar smell is arranged, having much is fuel gas, therefore, utilizes the combustion-supporting effect that raising incineration firing calorific value is arranged of these gases.
2. with refuse classification: the rubbish of recovery generally is divided into three major types.
A. be aphlogistic rubbish, as cement spare of silt construction waste etc.This class rubbish can be delivered to the construction material workshop, adds materials such as cement after crushed again as adhesive, produces the construction material of various models; Or bury ground purposes.
B. the rubbish that contains a large amount of metal materials.This class rubbish is then delivered to relevant metal material factory and is produced as raw material again.
C. combustiblerefuse.This class rubbish is of a great variety, and it is very big that combustion heat value differs, and is the fuel of garbage power.
3. combustion refuse is carried out preliminary treatment.
After mixing, pulverizes in the low rubbish of relative combustion calorific values such as mud that high combustion calorific value rubbish such as greasy dirt, plastics etc. and sewage treatment plant are produced.
4. rubbish being sent to boiler combustion generation water vapour is used for generating electricity.
In order to improve the combustion heat value of rubbish, hot blast is combustion-supporting with adding.Therefore incineration firing is more thorough, so the incineration firing utilization rate of heat value is higher.
5. the gas that the combustion-supporting back of the carbon monoxide that produces in burning, carbon dioxide and hot blast is produced is outwards carried by relevant pipeline.Pipeline is provided with gas heat-exchanger outward, and gas with foreign flavor has been carried combustion-supporting effect by becoming hot blast here to boiler.
6. by the cooled mist of gas with foreign flavor, behind electrostatic precipitator and multiple filtration, pressurizeed, and after water quench, give associating Production in Chemical Plant synthesis gas, synthetic ammonia and products such as further synthetic gasoline, diesel oil by pipeline by compressor.
7. a large amount of stoves quarrels that produce of boiler and the dust construction material that all is sent to the various models of construction material Workshop Production.(dust as stove quarrel or recovery contains a large amount of available metallic elements or trace element, then is sent to the associating chemical enterprise and produces as raw material.)
8. the water vapour of boiler generation then is sent to the steam storehouse of relevant pressure, promotes steam turbine power generation after compression becomes supercritical liq layer by layer.
9. the low temperature and low pressure water vapor of generating back discharge is delivered to vacuum circulated water warehouse by air ejector.The water vapour that does not become water is reclaimed by vapor recovery warehouse and is used for generating.
10. produce the moisture content in the low pressure water vapor in the boiler, also along with steam together, be sent to the vapor bin of relevant pressure and the condensate water that produces in the compression process layer by layer together, flow to vapor recovery warehouse; And and the condensate water that produces of vapor recovery warehouse together, flow into vacuum circulated water warehouse; Heat becomes steam in the storehouse, reclaimed by vapor recovery warehouse to be used for generating.
11. lose the water (water temperature is generally all below 5 ℃) of heat, delivered on the heat exchanger of the pressure piping of uniting chemical enterprise conveying mist, with the pipeline gas reverse direction operation by water pump.Send boiler after being heated to, so continuous circulation.
Accompanying drawing is a zero discharge rubbish power generation comprehensive utilization process schematic flow sheet.
The Figure of description explanation
1. soot 2. rubbish supply lines 3. air ejectors
4. rubbish 5. non-combustible wastes 6. of classifying are buried ground or deliver to the construction material workshop
7. metal material rubbish 8. metal material factories 9. combustible garbages
10. mixing the high temperature that produces behind pulverization process 11. boilers 12. incineration firings mixes
Gas pipeline
13. the dust storing unit that gas heat-exchanger 14. dedusters and multi-layer gas filter 15. reclaim
17. construction material workshops, 18. compressors 16. stove is cut
19. high pressure mixed gas pipeline 20. heat exchangers 21. associating chemical enterprises
22. low-pressure steam storehouse 23. vapor recovery warehouses, 24. vacuum circulated water warehouses
25. middle pressure steam storehouse 26. high pressure steam warehouses, 27. supercritical pressure vats
28. steam turbine engine
Diagram:
Waste flow to
Claims (9)
1, the invention is characterized in the process of utilizing the heat generating that combustion refuse produces, surrounding environment has been realized zero-emission.March into the arena as rubbish and to vacuumize processing earlier.The gas that contains peculiar smell is sent to gas heat-exchanger, become hot blast after, it is combustion-supporting to be transported to garbage fired boiler.So whole garbage power integrated plant does not have peculiar smell to take place.
2, rubbish is classified and preliminary treatment.Rubbish is divided into three major types.The first kind is aphlogistic rubbish, as the useless part of the cement of silt, building etc.This class rubbish then is used to bury ground or delivers to the construction material workshop and adds adhesives such as cement, produces the construction material of various models.Second class contains a large amount of metal materials.This class rubbish is then delivered to relevant metal material factory.The 3rd class is the rubbish that can burn.According to heterogeneity, combustion heat value mixes and pulverization process with these rubbish.
3, the carbon monoxide that produces in the incineration firing, carbon dioxide and help incineration firing after all gases that produces together, be transported to relevant pipeline.Pipeline is provided with gas heat-exchanger outward, and the gas that contains peculiar smell is carried to boiler by becoming hot blast here, plays combustion-supporting effect.
4, by the cooled mist of gas heat-exchanger, behind static dust settler and multiple filtration, pressurizeed by compressor, and after cools down, deliver to the associating chemical enterprise by pipeline, produce synthesis gas, synthetic ammonia etc.; And further products such as synthetic gasoline, diesel oil.
5, a large amount of stoves quarrels of boiler generation and the dust that reclaims all are sent to the construction material workshop, produce the construction material of various models.
6, the steam of boiler generation then is sent to the vapor bin of relevant pressure, after pressurizeing layer by layer, becoming supercritical liq, and the pushing turbine generating.
7, the low-pressure vapor of generating back discharge is delivered to vacuum circulated water warehouse by air ejector; The steam that does not become water is reclaimed by vapour recovery warehouse, is used for generating.
The moisture of the low-pressure water steam that 8, produces in the boiler, the condensate water that also is sent to the vapor bin of relevant pressure with steam and produces in compression process layer by layer flows to vapour recovery warehouse together, and and vapour recovery warehouse in the condensate water that produces flow into vacuum circulated water warehouse together.Heat becomes steam in the storehouse, reclaimed by vapour recovery warehouse, is used for generating.
9, in vacuum circulated water warehouse, lose the water (water temperature is generally all below 5 ℃) of heat, then delivered on the heat exchanger of the pressure piping of uniting chemical enterprise conveying mist by water pump, and with the operation of the direction of pipeline gas adverse current, send boiler back to after being heated, so continuous circular flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101669972A CN101451707A (en) | 2008-10-06 | 2008-10-06 | Process flow for zero discharge rubbish power generation comprehensive utilization plant |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2008101669972A CN101451707A (en) | 2008-10-06 | 2008-10-06 | Process flow for zero discharge rubbish power generation comprehensive utilization plant |
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| CN101451707A true CN101451707A (en) | 2009-06-10 |
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| CNA2008101669972A Pending CN101451707A (en) | 2008-10-06 | 2008-10-06 | Process flow for zero discharge rubbish power generation comprehensive utilization plant |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102359729A (en) * | 2011-09-23 | 2012-02-22 | 北京航天动力研究所 | Method and system for jointly and circularly generating electricity by gasifying municipal garbage at high temperature |
| CN105716061A (en) * | 2015-12-14 | 2016-06-29 | 美的集团股份有限公司 | Steam generator, steam generator system and household appliance |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1087979A (en) * | 1992-12-11 | 1994-06-15 | 成都市特种垃圾焚烧场 | Method for refuse incinerating treatment |
| CN101191059A (en) * | 2006-11-22 | 2008-06-04 | 周开根 | Dynamics gasification furnace and exhaust heat boiler composed by the same |
-
2008
- 2008-10-06 CN CNA2008101669972A patent/CN101451707A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1087979A (en) * | 1992-12-11 | 1994-06-15 | 成都市特种垃圾焚烧场 | Method for refuse incinerating treatment |
| CN101191059A (en) * | 2006-11-22 | 2008-06-04 | 周开根 | Dynamics gasification furnace and exhaust heat boiler composed by the same |
Non-Patent Citations (1)
| Title |
|---|
| 李风斌，钟史明: "垃圾焚烧发电的污染物控制", 《新能源与新材料》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102359729A (en) * | 2011-09-23 | 2012-02-22 | 北京航天动力研究所 | Method and system for jointly and circularly generating electricity by gasifying municipal garbage at high temperature |
| CN102359729B (en) * | 2011-09-23 | 2013-05-22 | 北京航天动力研究所 | Method and system for jointly and circularly generating electricity by gasifying municipal garbage at high temperature |
| CN105716061A (en) * | 2015-12-14 | 2016-06-29 | 美的集团股份有限公司 | Steam generator, steam generator system and household appliance |
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Application publication date: 20090610 |