CN103372371B - System device for carbon capture through solar organic Rankine cycle auxiliary coal-fired power generation - Google Patents
System device for carbon capture through solar organic Rankine cycle auxiliary coal-fired power generation Download PDFInfo
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- CN103372371B CN103372371B CN201310277530.6A CN201310277530A CN103372371B CN 103372371 B CN103372371 B CN 103372371B CN 201310277530 A CN201310277530 A CN 201310277530A CN 103372371 B CN103372371 B CN 103372371B
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 18
- 238000010248 power generation Methods 0.000 title abstract 4
- 238000010521 absorption reaction Methods 0.000 claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000002912 waste gas Substances 0.000 claims abstract description 9
- 239000003245 coal Substances 0.000 claims description 12
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 claims description 9
- 239000007789 gas Substances 0.000 claims description 7
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Natural products CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 5
- 230000002745 absorbent Effects 0.000 claims description 5
- 239000002250 absorbent Substances 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 230000008676 import Effects 0.000 claims description 4
- 238000003303 reheating Methods 0.000 claims description 3
- 125000003944 tolyl group Chemical group 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 8
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 3
- 238000004458 analytical method Methods 0.000 abstract description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 11
- 229960004424 carbon dioxide Drugs 0.000 description 6
- 229910002092 carbon dioxide Inorganic materials 0.000 description 5
- 239000001569 carbon dioxide Substances 0.000 description 5
- 238000009833 condensation Methods 0.000 description 5
- 230000005494 condensation Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 3
- KJZIBPUUBIVGMV-UHFFFAOYSA-N 2-aminoethanol;carbon dioxide Chemical compound O=C=O.NCCO KJZIBPUUBIVGMV-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000005431 greenhouse gas Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000011089 carbon dioxide Nutrition 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000010908 plant waste Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000011555 saturated liquid Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
-
- 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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/133—Renewable energy sources, e.g. sunlight
-
- 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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/151—Reduction of greenhouse gas [GHG] emissions, e.g. CO2
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Abstract
The invention discloses a system device for carbon capture through solar organic Rankine cycle auxiliary coal-fired power generation. The system device consists of a solar thermal utilization system, an organic Rankine system, a cholamine CO2 absorption system and a coal-fired power generation system, wherein the solar thermal utilization system and the organic Rankine system are connected together through a heat conduction oil side and a working medium side of an evaporator; a high-temperature waste gas pipe of a coal-fired boiler is connected to the lower end of an absorption tower, the cholamine CO2 absorption system and the coal-fired power generation system are connected together; a water side of a condenser is connected to the water side of a reboiler through a pipeline, the cholamine CO2 absorption system and the organic Rankine system are connected together; the system device of carbon capture is formed through the connection, CO2 in waste gases of a coal-fired power station can be captured so as to reduce carbon emission of a coal-fired power plant; solar energy is fully utilized for driving a system power device; condensed heat of the condenser is used for the energy consumption during an analysis process again, so that the organic Rankine cycle efficiency is improved greatly.
Description
Technical field
The present invention relates to a kind of solar energy and assist carbon trapping technique, be specifically related to the system and device that carbon trapping is carried out in the generating of a kind of solar energy organic Rankine bottoming cycle assistant coal.
Background technology
According to the target of International Energy Agency, before the year two thousand fifty, Global Temperature heats up and should be strict controlled within 2 DEG C, and the key of realize target is the discharge capacity controlling greenhouse gases.Carbon capture and storage (CCS) technology can reduce the greenhouse gas emissions of built energy facilities 19% very significantly.Trapping after existing carbon trapping technique can be divided into burning in industrial processes and before burning and oxygen-enriched combustion technology.Widely used is at present post-combustion capture, namely in trapping system device, utilizes the method such as physical absorption or chemical absorbing to carry out carbon dioxide separation and seizure to the flue gas that burning generates.Well-known in the production process of cement, by the heat energy of at substantial, and monoethanolamine absorption process (MEA) regeneration of waste liquor also needs a large amount of energy consumption at present.The mode adopting steam turbine low-pressure to draw gas provides heat energy more at present, has had a strong impact on the economic benefit in power plant like this.If utilize solar energy to carry out energy consumption supply to carbon capture system, the reduction of discharging requirement to power plant carbon dioxide can be met, also can maximally utilise natural energy resources, improve the economy of carbon trapping.
Summary of the invention
The object of the invention is to: to stabilize the economy operation to realize coal-burning power plant's collecting carbonic anhydride and power plant, thus a kind of solar energy organic Rankine bottoming cycle auxiliary carbon dioxide trapping system and method are provided.
The system and device that carbon trapping is carried out in the generating of solar energy organic Rankine bottoming cycle assistant coal comprises: trough type solar heat-collector, steam generator, oil storage tank, Heat-transfer Oil Pump, steam turbine, generator, organic working medium condenser, working medium pump, absorption tower, the first solution pump, Analytic Tower, solution condenser, compressor, reboiler, the second solution pump, heat exchanger, boiler, steam turbine, condenser and water pump etc.Its technology connection scheme is: the conduction oil working medium side of trough type solar heat-collector and evaporimeter and oil storage tank, Oil Guide pump are linked in sequence formation Solar Energy Heat Utilization System successively; The organic working medium side of evaporimeter, steam turbine, generator, condenser and working medium pump are linked in sequence successively and form organic Rankine system; Combined by absorption tower, the first solution pump, Analytic Tower, condenser, compressor, reboiler, the second solution pump and heat exchanger and connect and compose monoethanolamine CO
2absorption system; Be linked in sequence successively by coal-burning boiler steam pipe, steam turbine, condenser and water pump and form coal generating system.Solar Energy Heat Utilization System and organic Rankine system are coupled together by evaporimeter, and the high-temp waste gas pipe of coal-burning boiler is connected to the lower end on absorption tower, and the water side of condenser is connected to the water side of reboiler by pipeline.Bottom absorption tower, outer end is connected to the first solution pump, and the first solution pump is connected to the import of heat exchanger low temperature side, and the outlet of heat exchanger low temperature side is connected with Analytic Tower.Analytic Tower top is provided with condenser, and absorbent solution forms self-loopa with Analytic Tower within the condenser.Analytic Tower bottom is provided with reboiler, and the thermal source that reboiler utilizes condenser to obtain discharges CO in Analytic Tower
2after solution carry out reheating, the pyrosol side in reboiler connects with the second solution pump, and solution is sent into absorption tower by the high temperature side of heat exchanger.Steam turbine acting drives electrical power generators, in order to provide first, second solution pump and compressor operation.
Containing a large amount of CO after utilizing coal-fired plant boiler to burn
2flue gas from feeding absorption tower, bottom, the monoethanolamine absorbent solution thermal response of spraying with tower top, the CO in flue gas
2absorbed by solution, waste gas is discharged from absorption tower tower top.Absorb CO
2solution through first solution pump pressurization after enter Analytic Tower from top, the steam risen with bottom carries out heat exchange reaction, CO
2from absorbent solution, resolve also analytically column overhead enter condenser, CO
2gas enters compressor and carries out compressing so that transport and store after condensation.Release CO
2after solution enter bottom Analytic Tower, provide after steam needed for Analytic Tower through reboiler, after the second solution pump and the heat exchange of Analytic Tower import solution, enter absorption tower recycle.Trough type solar heat-collector utilizes solar heat to heat conduction oil, and high temperature heat conductive oil enters evaporimeter, enters oil tank after carrying out heat exchange with organic working medium, reenters groove type solar vacuum tube absorption heat complete circulation through oil pump by circulation line.Organic working medium is evaporated to high temperature and high pressure steam in evaporimeter, and enter turbine expansion acting, the working medium exhaust steam after expansion enters condenser condenses, reenters evaporimeter complete organic Rankine bottoming cycle through working medium pump.In Rankine cycle system, the aqueous water of organic working medium condenser enters reboiler after being heated to be low-pressure steam, completes CO in order to the solution in heated reboiler to produce steam
2parsing, Steam Turbine Driven electrical power generators, in order to provide the wasted work such as solution pump, carbon-dioxide gas compressor equipment.
Low-temp low-pressure after expansion overheated organic working medium steam enters organic working fluid condenses device, saturated liquid organic working medium is become after cooling, now heat up with the water of working medium heat exchange (Water in Condenser side) and become low-pressure superheated steam, enter the reboiler below (monoethanolamine carbon dioxide capture system) Analytic Tower, heat the solution in reboiler, the solution vapor of generation enters Analytic Tower and completes CO
2resolving.
The beneficial effect of feature of the present invention and generation is: (1) monoethanolamine carbon dioxide capture system can complete CO in coal fired power plant waste gas
2trapping, to reduce the carbon emission of coal-burning power plant.(2) solar energy new forms of energy are made full use of, reduce the organic Rankine bottoming cycle of consumption (3) by taking solar energy as thermal source of the energy, in order to carbon capture system dynamic device drives, the heat of condensation, again in order to the energy consumption of resolving, makes organic Rankine bottoming cycle efficiency reach 100%.
Accompanying drawing explanation
Shown accompanying drawing is system principle of the present invention and structure composition schematic diagram.
Detailed description of the invention
Principles and methods of the present invention to be further described by embodiment below in conjunction with accompanying drawing.
The system and device of carbon trapping is carried out in the generating of solar energy organic Rankine bottoming cycle assistant coal, and its composition structure is: trough type solar heat-collector 1, evaporimeter 2, oil storage tank 3 and Oil Guide pump 4 are linked in sequence formation Solar Energy Heat Utilization System successively; Evaporimeter 2, steam turbine 5, generator 6, organic working medium condenser 7 and working medium pump 8 are linked in sequence successively and form organic Rankine system; Be connected by absorption tower 9, first solution pump 10, Analytic Tower 11, solution condenser 12, compressor 13, reboiler 14, second solution pump 15 and heat exchanger 16 and form monoethanolamine CO
2absorption system; Be linked in sequence successively by coal-burning boiler 17 steam pipe, steam turbine 18, condenser 19 and water pump 20 and form coal generating system.Solar Energy Heat Utilization System and organic Rankine system are coupled together by evaporimeter; The high-temp waste gas pipe of coal-burning boiler 17 is connected to the lower end on absorption tower 9; The water side of organic working medium condenser 7 is connected to the water side of reboiler 14 by pipeline.Bottom absorption tower, outer end is connected to the import that the first solution pump 10, first solution pump is connected to heat exchanger 16 low temperature side, and the outlet of heat exchanger low temperature side is connected with Analytic Tower 11.Analytic Tower top is provided with solution condenser 12, and absorbent solution forms self-loopa with Analytic Tower in solution condenser.Analytic Tower bottom is provided with reboiler 14, and the thermal source that reboiler utilizes working fluid condenses device 7 to obtain discharges CO in Analytic Tower
2after solution carry out reheating.Pyrosol side in reboiler connects with the second solution pump 15, and solution is sent into absorption tower by the high temperature side of heat exchanger, and gas fired-boiler high-temp waste gas pipe is connected to bottom absorption tower.Steam turbine 5 does work and drives generator 6 to generate electricity, in order to provide first, second solution pump and CO
2compressor operation.
The present invention is made up of four systems, that is: Solar Energy Heat Utilization System, organic Rankine system, monoethanolamine CO
2absorption system and coal generating system.By conduction oil side and the working medium side of evaporimeter, Solar Energy Heat Utilization System and organic Rankine system are coupled together.The lower end on absorption tower is connected to, by monoethanolamine CO by the high-temp waste gas pipe of coal-burning boiler
2absorption system and coal generating system couple together.The water side of reboiler is connected to by pipeline, by monoethanolamine CO by the water side of condenser
2absorption system and organic Rankine system couple together.By the above-mentioned system and device connecting and composing carbon trapping.
The working medium of organic Rankine bottoming cycle is selected has high condensation temperature, ensures that condensation temperature remains on more than 120 DEG C, produces low-pressure steam complete carbon dioxide resolving in Analytic Tower in order to reboiler.In Rankine cycle, the present embodiment organic working medium used is toluene.
CO
2the wasted work device drives of trapping system is provided by organic rankine cycle turbine outputting power.
CO
2the parsing heat of trapping system is provided by organic Rankine bottoming cycle condenser quantity of heat given up.
CO
2energy consumption needed for trapping system by being that thermal source organic Rankine bottoming cycle provides with solar energy, i.e. CO
2the organic Rankine bottoming cycle (condensation heat of condenser) that trapping process analysis tower institute calorific requirement is thermal source by solar energy provides, and can avoid or reduce coal-burning power plant's steam turbine low-pressure and draw gas and provide heat, ensure the stable operation of coal-burning power plant, improve power benefit.
Claims (2)
1. the system and device of carbon trapping is carried out in the generating of solar energy organic Rankine bottoming cycle assistant coal, have: trough type solar heat-collector, evaporimeter, oil storage tank, Heat-transfer Oil Pump, steam turbine, generator, organic working medium condenser, working medium pump, absorption tower, first solution pump, Analytic Tower, solution condenser, compressor, reboiler, second solution pump, heat exchanger, boiler, steam turbine, condenser and water pump, it is characterized in that: trough type solar heat-collector (1), evaporimeter (2), oil storage tank (3) and Oil Guide pump (4) are linked in sequence formation Solar Energy Heat Utilization System successively, evaporimeter (2), steam turbine (5), generator (6), organic working medium condenser (7) and working medium pump (8) are linked in sequence successively and form organic Rankine system, be connected by absorption tower (9), the first solution pump (10), Analytic Tower (11), solution condenser (12), compressor (13), reboiler (14), the second solution pump (15) and heat exchanger (16) and form monoethanolamine CO
2absorption system, by coal-burning boiler (17) steam pipe, steam turbine (18), condenser (19) and water pump (20) are linked in sequence formation coal generating system successively, Solar Energy Heat Utilization System and organic Rankine system are coupled together by evaporimeter, the high-temp waste gas pipe of coal-burning boiler (17) is connected to the lower end of absorption tower (9), the water side of organic working medium condenser (7) is connected to the water side of reboiler (14) by pipeline, bottom absorption tower, outer end is connected to the first solution pump (10), first solution pump is connected to the import of heat exchanger (16) low temperature side, the outlet of heat exchanger low temperature side is connected with Analytic Tower (11), Analytic Tower top is provided with solution condenser (12), absorbent solution forms self-loopa with Analytic Tower in solution condenser, Analytic Tower bottom is provided with reboiler (14), the thermal source that reboiler utilizes organic working medium condenser (7) to obtain discharges CO in Analytic Tower
2after solution carry out reheating, pyrosol side in reboiler connects with the second solution pump (15), solution is sent into absorption tower by the high temperature side of heat exchanger, gas fired-boiler high-temp waste gas pipe is connected to bottom absorption tower, steam turbine (5) acting drives generator (6) generating, in order to provide first, second solution pump and CO
2compressor operation.
2. carry out the system and device of carbon trapping according to solar energy organic Rankine bottoming cycle assistant coal generating according to claim 1, it is characterized in that the organic working medium described in organic Rankine bottoming cycle is toluene.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310277530.6A CN103372371B (en) | 2013-07-04 | 2013-07-04 | System device for carbon capture through solar organic Rankine cycle auxiliary coal-fired power generation |
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| CN201310277530.6A CN103372371B (en) | 2013-07-04 | 2013-07-04 | System device for carbon capture through solar organic Rankine cycle auxiliary coal-fired power generation |
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| CN103372371A CN103372371A (en) | 2013-10-30 |
| CN103372371B true CN103372371B (en) | 2015-07-08 |
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Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103752142B (en) * | 2014-01-26 | 2015-12-02 | 天津大学 | A kind of solar energy auxiliary carbon dioxide trapping integrated system |
| CN103990372B (en) * | 2014-04-28 | 2016-01-13 | 天津大学 | The system of ammonia process carbon trapping is carried out in the generating of solar seawater desalination assistant coal |
| CN104154521B (en) * | 2014-08-12 | 2015-12-09 | 天津大学 | The integrated system of a kind of solar energy auxiliary carbon dioxide trapping and heat supply and method thereof |
| CN104353346B (en) * | 2014-11-25 | 2016-03-30 | 青海同鑫化工有限公司 | A kind of ammonia type flue gas desulfurizing and organic Rankine bottoming cycle coupled electricity-generation method |
| CN104613654B (en) * | 2015-01-13 | 2017-02-01 | 宁波瑞信能源科技有限公司 | Combined-type-solar-system power-plant water-feeding and CO2-collecting assisted integrated system |
| CN105169944B (en) * | 2015-08-26 | 2017-10-31 | 中石化节能环保工程科技有限公司 | Solar heating system |
| CN105582794A (en) * | 2016-01-19 | 2016-05-18 | 河北工程大学 | Solar energy and geothermal energy assisted CO2 Rankine cycle assisted decarbonization and denitrification system for coal-fired unit |
| CN106076073B (en) * | 2016-07-28 | 2019-01-11 | 天津大学 | A kind of energy utility system of solar energy and geothermal energy united power plant low-carbon emission |
| CN106582200B (en) * | 2017-01-25 | 2022-07-29 | 天津大学 | Temperature swing adsorption power plant flue gas carbon capture system utilizing middle extraction |
| CN106837439A (en) * | 2017-01-25 | 2017-06-13 | 天津大学 | The vacuum pressure and temperature varying Coupling Adsorption carbon trapping system of solar energy organic Rankine bottoming cycle auxiliary |
| CN106669372B (en) * | 2017-02-22 | 2022-09-13 | 天津大学 | Coal-fired power plant carbon capture system driven by solar heating absorption heat pump |
| CN107524485B (en) * | 2017-10-16 | 2024-05-14 | 河北工程大学 | Renewable energy source energy supply system |
| CN108469031B (en) * | 2018-04-16 | 2024-04-26 | 江苏德义通环保科技有限公司 | All-weather smoke white plume eliminating system and method based on smoke waste heat and solar energy complementation |
| CN113374552A (en) * | 2021-07-23 | 2021-09-10 | 华润电力（海丰）有限公司 | Device system and method for capturing carbon dioxide by amine method and utilizing energy of analytical tower |
| CN113638784A (en) * | 2021-08-25 | 2021-11-12 | 江苏大学 | Solar combined heat and power system based on organic Rankine cycle and boiler auxiliary heating |
| CN114522509B (en) * | 2022-02-25 | 2024-08-06 | 中国电力工程顾问集团西北电力设计院有限公司 | Carbon dioxide trapping and adsorbing system and method based on solar drive and energy storage |
| CN114738071B (en) * | 2022-03-17 | 2024-04-30 | 中国华能集团清洁能源技术研究院有限公司 | Double-pressure circulation system for carbon recovery |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101516473A (en) * | 2006-07-17 | 2009-08-26 | 联邦科学及工业研究组织 | CO2 capture using solar thermal energy |
| CN101509472A (en) * | 2008-07-23 | 2009-08-19 | 昆明理工大学 | Disperse type low-temperature solar thermal power generation system and power generation technique |
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