CN101464072A - Steam-exhaust coagulation heat recovery system of coal-fired power plant - Google Patents
Steam-exhaust coagulation heat recovery system of coal-fired power plant Download PDFInfo
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- CN101464072A CN101464072A CN 200910076515 CN200910076515A CN101464072A CN 101464072 A CN101464072 A CN 101464072A CN 200910076515 CN200910076515 CN 200910076515 CN 200910076515 A CN200910076515 A CN 200910076515A CN 101464072 A CN101464072 A CN 101464072A
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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
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
Abstract
The invention discloses a waste steam and condensation heat recovery system of a coal-fired power plant. The recovery system comprises a high-temperature heat pump device for absorbing heat from waste steam of the coal-fired power plant, and the temperature of a working medium of the high-temperature heat pump is improved by the circulation of the heat pump; a carbon dioxide capture device for utilizing the working medium of the high-temperature heat pump for heating an MEA absorbing agent which is used for capturing carbon dioxide in flue gas to complete the desorption process; a trans-critical carbon dioxide heat pump device for absorbing the heat from the waste steam of the coal-fired power plate, and the temperature of the working medium of the carbon dioxide heat pump is improved by the circulation of the heat pump; and a regional heating and heat using device for utilizing the working medium of the carbon dioxide heat pump for heating regional domestic water and regional heating hot water. The use of the system can improve the economics of the MEA method for capturing the carbon dioxide for the coal-fired power plate, reduce the energy consumption for regional heating and greatly reduce the water consumption of the coal-fired power plant and the thermal pollution caused by the waste steam and the condensation waste heat of the power plant.
Description
Technical field
The present invention relates to field of energy-saving technology, particularly relate to a kind of steam-exhaust coagulation heat recovery system of coal-burning power plant.
Background technology
China accounts for the coal of primary energy 72%, and sixty percent is used for generating, and the coal electricity accounts for 78%.Electric power installation in 2007 has broken through 700,000,000 kW.Electric per capita 1kW when reaching " well-to-do level ", the year two thousand twenty installation reaches 1,500,000,000 kW; Double.When the time comes, even all adopt ultra supercritical technology, CO
2Discharge capacity will do not allowed by " Bali's route map " of world's reduction of greenhouse gas discharge yet.So CO
2Capture, deposition technique very urgent.In recent years, CO
2Capture and seal up for safekeeping technology (being called for short CCS) and be considered to the minimizing CO of department such as electric power
2The potential technology of discharging, and obtain the common concern of international community.
Too high and the extra energy consumption problem of cost is the significant obstacle that the CCS technology does not have large-scale application so far, wherein CO
2The capture cost accounts for the 60-80% of totle drilling cost.CO
2Capture and compression be cost the best part in the CCS system, this mainly shows as entire power plant loss in efficiency and more these two aspects of energy resource consumption.Loss in efficiency mainly contains CO
2Reclaim heat and the power that needs and compress the energy that consumes.For subcritical, overcritical and ultra supercritical coal-powder boiler, efficient all reduces by 9.2 percentage points.
Along with the raising of living standards of the people and the paces of China's urbanization are accelerated, the energy consumption that increases the dwelling house comfortable degree will improve constantly.China's building total energy consumption accounts for 20.7% of social terminal energy consumption.Wherein, northern town building heating and life in the countryside are about 1.6 hundred million tons of mark coal/years with coal, account for 11.4% of China's output of coal in 2004; The energy for building (cooking, illumination, household electrical appliances, domestic hot-water etc.) of building electricity consumption and other type is converted into electric power, amounts to be about for 5,500 hundred million degree/years, accounts for 27%～29% of national social terminal power consumption.The domestic water major part of existing structure adopts electricity or combustion gas heating, and it is thermal source that heating water adopts the 1MPa steam with the power plant of the little heating boiler of direct fire coal and " cogeneration " basically, and the pattern of this " high energy is low to be used " is very irrational; Average fire is used efficient, and promptly Second Law Efficiency of Thermodynamics has only about 10%.
(electric power, petrochemical industry, metallurgy, textile and paper) widely used cooling tower is one of main root of industrial water consumption in five main water consumption industries of industrial department.At all industrial circles, the power plant is water consumption " rich and influential family ".
Power plant has also taken away a large amount of waste heats in a large amount of cooling water of loss, power plant's surrounding environment is caused the thermal pollution that can not be ignored.
Comprehensive with energy, the water resource of saves valuable realizes " second generation resource system ", is the key that trends towards the zero-emission target.
Prior art a kind of adopt the MEA of coal-burning power plant absorption process the collecting carbonic anhydride device structure as shown in Figure 1, flue gas pumps into absorption tower 2 through air-introduced machine 1, the bottom-up absorption tower 2 of flowing through, form counter current contacting with the carbon dioxide absorption liquid (lean solution) of going into tower from top, carbon dioxide is removed.Decarburization flue gas after the purification is discharged from cat head.The absorption liquid (rich solution) that has absorbed carbon dioxide carries out heat exchange by the higher lean solution of temperature that rich solution pump 3 pumps into after rich or poor liquor heat exchanger 4 and the desorb, enters regenerator 5 after the heat absorption.Rich solution enters from regenerator 5 tops, by stripping desorb partial CO 2, enters boiling device 10/V then, the high steam heating that is come by steam turbine, the further desorb of carbon dioxide wherein.Lean solution behind the desorb carbon dioxide is flowed out by regenerator 5 bottoms, after poor rich liquid heat exchanger 4 heat releases cooling, delivers to water cooler 7 with lean pump 6, enters absorption tower 2 after the cooling.Solvent comes and goes the technical process that circulation constitutes continuous absorption and desorption carbon dioxide.Eject the carbon dioxide and the vapour mixture that come from regenerator 5 and pass through cooler 8 cooling condensations, separate via separator 9 carbonated drinks, condensed water is by backflow fluid infusion retrieval system, and isolated carbon dioxide enters follow-up compression handling procedure.
At present to catch the absorbent that carbon dioxide adopts be 105-110 ℃ of desorb to the MEA absorption process, existing heating technique is to extract steam to heat, because the desorb of MEA absorbent and carbon dioxide needs a large amount of heat (whenever catch 1 ton of carbon dioxide and need 3.5 lucky joule's heat energies), so big heat demand, approximately need the Steam Turbine Through IP Admission exhaust steam about 300t/h (tph), account for 1/2nd of 300MW condenser formula steam turbine unit intermediate pressure cylinder outlet quantity of steam (630t/h), a large amount of steam consumption quantities can make the throttle flow of condenser of condensing turbine unit not enough and influence the operate as normal of steam turbine.The condensation waste heat of the exhaust steam of coal-burning power plant's steam turbine outlet at present generally is that cooling water system by wet cooling tower enters local environment on the other hand, a large amount of condenser heats enter environment, surrounding environment has been caused thermal pollution, and had a large amount of cooling waters to enter atmosphere and loss with air.
Summary of the invention
The problem to be solved in the present invention provides a kind of steam-exhaust coagulation heat recovery system of coal-burning power plant, adds the defective that heat absorbent causes the wasting of resources to overcome in the prior art owing to extracting steam.
For achieving the above object, the invention provides a kind of steam-exhaust coagulation heat recovery system of coal-burning power plant, described system comprises: high temperature heat pump device, be used for exhaust steam draw heat from the coal-burning power plant, improve high temperature heat pump working medium temperature by heat pump cycle; The collecting carbonic anhydride device utilizes described high temperature heat pump working medium heating to catch the MEA absorbent that carbon dioxide is used in the flue gas, finishes desorption process; The CO 2 trans-critical heat pump device is used for the exhaust steam draw heat from the coal-burning power plant, improves carbon dioxide heat-pump working medium temperature by heat pump cycle; The district heating thermic devices is utilized described carbon dioxide heat-pump working medium heating region domestic water and district heating hot water.
Wherein, described high temperature heat pump device comprises hiigh pressure stage compressor, low-pressure stage compressor, internal exchanger, choke valve, evaporative condenser and intercooler; Described intercooler is connected with internal exchanger, choke valve and hiigh pressure stage compressor respectively; Described internal exchanger is connected with evaporative condenser, choke valve, low-pressure stage compressor and the boiling device of collecting carbonic anhydride device respectively; Described evaporative condenser is connected with intercooler by choke valve; Described hiigh pressure stage compressor is connected with the boiling device of low-pressure stage compressor with the collecting carbonic anhydride device respectively.
Wherein, described high temperature heat pump working medium is in the exhaust steam heat exchange of evaporative condenser and coal-burning power plant, absorbs the heat of exhaust steam and evaporates; After evaporative condenser is flow through in part exhaust steam, emit condensation latent heat.
Wherein, described high temperature heat pump working medium is flowed through behind the evaporative condenser, enter the low-pressure stage compressor before, in internal exchanger and the high temperature heat pump working medium heat exchange that flows into from boiling device.
Wherein, the described high temperature heat pump working medium that flows into from boiling device internal exchanger cross cold after, a part flow through choke valve and decrease temperature and pressure, in intercooler with the mutual heat exchange of another part, itself heat absorption evaporation, overheated, and another part is by further cold excessively.
Wherein, described high temperature heat pump working medium enters the low-pressure stage compressor and is compressed into intermediate pressure after internal exchanger is overheated, mixes cooling with the lower overheated heat pump fluid of the temperature of the intermediate pressure that comes from intercooler again.
Wherein, the cooled high temperature heat pump working medium of described mixing by the hiigh pressure stage compressor compresses to the high temperature high pressure conditions, the high temperature heat pump working medium temperature of hiigh pressure stage compressor outlet is higher than the desorption temperature of MEA absorbent, is admitted to boiling device heating MEA absorbent, makes its desorb.
Wherein, described CO 2 trans-critical heat pump device comprises compressor, carbon dioxide cooler, choke valve and evaporative condenser; Described compressor is connected with evaporative condenser with the carbon dioxide cooler respectively; Described choke valve is connected with evaporative condenser with the carbon dioxide cooler respectively.
Wherein, described carbon dioxide heat-pump working medium is in the exhaust steam heat exchange of evaporative condenser and coal-burning power plant, absorbs the heat of exhaust steam and evaporates; After evaporative condenser is flow through in part exhaust steam, emit condensation latent heat.
Wherein, described carbon dioxide heat-pump working medium is compressed to supercriticality by compressor, and the carbon dioxide heat-pump working medium temperature of compressor outlet is higher than running water and heating water return temperature, is admitted to the carbon dioxide cooler and adds hot tap-water and heating water return.
Compared with prior art, technical scheme of the present invention has following advantage:
The present invention adopts high temperature heat pump device and CO 2 trans-critical heat pump device draw heat from the exhaust steam of coal-burning power plant, temperature by heat pump cycle raising heat pump fluid makes it can directly heat the hot water that the coal-burning power plant catches MEA absorbent that carbon dioxide is used in the flue gas (making it to finish desorption process) and district heating.The economy that adopts the present invention to make coal-burning power plant's MEA process catch carbon dioxide improves, and reduces the district heating power consumption, and can significantly reduce the water consumption of coal-burning power plant and the thermal pollution that the exhaust steam of electric power plant condensation waste heat causes.
Description of drawings
Fig. 1 is a kind of structure chart that adopts the collecting carbonic anhydride device of the MEA of coal-burning power plant absorption process of prior art;
Fig. 2 is the structure chart of a kind of high temperature heat pump device of the present invention;
Fig. 3 is the structure chart of a kind of CO 2 trans-critical heat pump device of the present invention;
Fig. 4 is the structure chart of the steam-exhaust coagulation heat recovery system of a kind of coal-burning power plant of the present invention.
The specific embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples are used to illustrate the present invention, but are not used for limiting the scope of the invention.
The structure of a kind of high temperature heat pump device of the present invention as shown in Figure 2, the present invention adopts high temperature heat pump device draw heat from coal-burning power plant's condensation waste heat, by heat pump cycle high temperature heat pump working medium is brought up to about 120 ℃, make it can directly heat the coal-burning power plant and catch the MEA absorbent that carbon dioxide is used in the flue gas, finish desorption process.As shown in Figure 2, the exhaust steam in steam turbine evaporative condenser I that flows through, with the high temperature heat pump working medium heat exchange of low-temp low-pressure, part exhaust steam heat release condensation, high temperature heat pump working medium heat absorption evaporation.High temperature heat pump working medium flow through internal exchanger II with from the liquid heat pump fluid heat exchange of the HTHP of solution boiling device 10/V, absorb heat and overheated, enter low-pressure stage compressor III then, be compressed into intermediate pressure, and from the heat release and cold excessively when flowing through internal exchanger II of the liquid heat pump fluid of the HTHP of solution boiling device 10/V, then, a part of high-pressure sub-cooled liquid wherein through choke valve VI throttling to intermediate pressure and the step-down cooling, enter the remaining high-pressure liquid heat pump fluid of intercooler VII cooling, heat absorption evaporation own is also flowed out intercooler VII after overheated, mix with high temperature heat pump working medium from the low-pressure stage compressor, sucked by hiigh pressure stage compressor IV, and be compressed into final state pressure, enter the solution boiling device 10/V MEA absorbent of the carbon dioxide in the flue gas that added heat absorption, make it to meet thermal desorption, and the heat release condensation of high temperature heat pump working medium own.Another strand high-pressure liquid high temperature heat pump working medium of intercooler VII of flowing through is cooled and is further cold excessively, after choke valve VIII throttling, become the subcooled liquid of low-pressure low-temperature, temperature is lower than the temperature from the exhaust steam of steam turbine, therefore when it flows through evaporative condenser and exhaust steam carry out exchange heat, itself absorb heat and be vaporizated into the gas of low-temp low-pressure, and the exhaust steam heat release is got back to the steam turbine circulation after being condensed into liquid, and the gaseous state high temperature heat pump working medium of low-temp low-pressure flows into internal exchanger II and gets back to the high temperature heat pump device circulation.
The Steam Turbine of a 300MW, if catch the needed heat of coal fire discharged carbon dioxide by shown in Figure 1 from turbine work steam, the intermediate pressure cylinder capacity that needs is near 1/2nd of intermediate pressure cylinder gross exhaust gas, make the working steam that enters low pressure (LP) cylinder significantly reduce, but in order to adapt to the requirement of the minimum condensing amount of Design of Steam Turbine, unit also must generate electricity by some condensing; Back pressure adds the condensing generated energy and is about 80-100MW (corresponding low pressure (LP) cylinder throttle flow is about 550～700t/h).This is the limit of high-pressure turbine group extraction for heat supply " heat/electricity ratio ".Therefore too much extracted steam from turbine amount must influence the operate as normal of Steam Turbine, adopt the high temperature heat pump device heat supply to stablize the turbine work parameter on the one hand, (with the exhaust steam in steam turbine is low-temperature heat source to higher on the other hand heat pump coefficient, with the MEA absorbent of catching carbon dioxide is that its heat pump coefficient of heat pump of high temperature heat source can reach 4.75) power attenuation that can significantly reduce Steam Turbine (adopts the CCS system of steam turbine steam as heat medium, make the generating efficiency of steam turbine reduce by 9.2%, and adopt high temperature heat pump system heat supply, the electric work that is consumed only to make the Steam Turbine generating efficiency reduce by 8%); Because high temperature heat pump directly is low-temperature heat source with the exhaust steam in steam turbine, the therefore consumption of having saved cooling water has reduced the water resource of losing owing to the cooling water circulation on the other hand; At last owing to the part heat that has reclaimed exhaust steam in steam turbine has reduced thermal pollution to surrounding enviroment.
The structure of a kind of CO 2 trans-critical heat pump device of the present invention as shown in Figure 3, the present invention adopts CO 2 trans-critical heat pump device draw heat from coal-burning power plant's condensation waste heat, by heat pump cycle carbon dioxide heat-pump working medium is brought up to about 80 ℃, made its directly heating region domestic water and district heating hot water.As shown in Figure 3, from the part of steam turbine by the exhaust steam in steam turbine of the high temperature heat pump working medium condensation evaporative condenser worker that flows through, carbon dioxide heat-pump working medium heat exchange with low-temp low-pressure, exhaust steam is got back in the steam turbine hot merit conversion cycle by whole condensations, carbon dioxide heat-pump working medium heat absorption vaporization, enter carbon-dioxide gas compressor iii then, be compressed into HTHP, temperature can reach 80 ℃.To zone thermal medium heat supply, itself emits heat and cools off, and is become the subcooled liquid of low-temp low-pressure at the choke valve ii that flows through by throttling, getting back to heat absorption vaporization again in the evaporative condenser, finishes the CO 2 cross-critical heat pump cycle.
Device shown in Figure 3 has been cancelled the extracted steam from turbine heat supply of steam power plant, with respect to the thermoelectric operational mode of " cogeneration ", avoided making Steam Turbine be absorbed in the operation weak tendency of " electricity determining by heat " for satisfying the steam heating that district heating extracts a large amount of 1MPa out by steam turbine; And with respect to regional arcola heating, the heat pump coefficient (the employing exhaust steam in steam turbine is a low-temperature heat source, and to the heat pump assembly of space heating, the heat pump coefficient of carbon dioxide heat-pump device is up to 8.0) that this heat pump is higher can save energy 70%.
The present invention adopts the CO 2 trans-critical heat pump device, draw heat from the exhaust steam that comes from steam turbine, by the carbon dioxide heat-pump circulation carbon dioxide heat-pump working medium is brought up to 80 ℃, make it can directly heat domestic water and house heating recirculated water, so that life (kitchen to be provided, the laundry, shower) water and heating water.The hot water temperature of domestic water and flooring radiation heating is 70 ℃ (considering the transmission heat loss of heating network).Adopt the CO 2 cross-critical heat pump to reclaim the exhaust steam in steam turbine condensation heat, can save cooling water, reduce thermal pollution.
The structure of the steam-exhaust coagulation heat recovery system of a kind of coal-burning power plant of the present invention as shown in Figure 4, the present invention is by the cooperation of two cover heat pumps, with the evaporimeter of heat pump condenser as exhaust steam in steam turbine, the one, for the CCS system provides the heat that needs, realized the low-carbon emission of coal-burning power plant; The 2nd, solved the district heating heat problem; The 3rd, can cancel the coal-burning power plant is the cooling water system that the condensation exhaust steam in steam turbine needs, for the steam turbine unit of a 300MW, and day water saving 9700-24000 ton; The 4th, the condensation waste heat (the steam turbine unit of 300MW) of recovery 450MW amounts to standard coal 75 tphs; The 5th, prevented that the situation that extracts steam turbine steam and influence the operate as normal of condensing turbine for the heat supply of CCS system and district heating from occurring; The 6th, reclaim the exhaust steam in steam turbine heat, reduced the thermal pollution of coal-burning power plant.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1, a kind of steam-exhaust coagulation heat recovery system of coal-burning power plant is characterized in that, described system comprises:
High temperature heat pump device is used for the exhaust steam draw heat from the coal-burning power plant, improves high temperature heat pump working medium temperature by heat pump cycle;
The collecting carbonic anhydride device utilizes described high temperature heat pump working medium heating to catch the MEA absorbent that carbon dioxide is used in the flue gas, finishes desorption process;
The CO 2 trans-critical heat pump device is used for the exhaust steam draw heat from the coal-burning power plant, improves carbon dioxide heat-pump working medium temperature by heat pump cycle;
The district heating thermic devices is utilized described carbon dioxide heat-pump working medium heating region domestic water and district heating hot water.
2, the steam-exhaust coagulation heat recovery system of coal-burning power plant according to claim 1 is characterized in that described high temperature heat pump device comprises hiigh pressure stage compressor, low-pressure stage compressor, internal exchanger, choke valve, evaporative condenser and intercooler;
Described intercooler is connected with internal exchanger, choke valve and hiigh pressure stage compressor respectively;
Described internal exchanger is connected with evaporative condenser, choke valve, low-pressure stage compressor and the boiling device of collecting carbonic anhydride device respectively;
Described evaporative condenser is connected with intercooler by choke valve;
Described hiigh pressure stage compressor is connected with the boiling device of low-pressure stage compressor with the collecting carbonic anhydride device respectively.
As the steam-exhaust coagulation heat recovery system of coal-burning power plant as described in the claim 2, it is characterized in that 3, described high temperature heat pump working medium is in the exhaust steam heat exchange of evaporative condenser and coal-burning power plant, absorb the heat of exhaust steam and evaporate; After evaporative condenser is flow through in part exhaust steam, emit condensation latent heat.
As the steam-exhaust coagulation heat recovery system of coal-burning power plant as described in the claim 3, it is characterized in that 4, described high temperature heat pump working medium is flowed through behind the evaporative condenser, enter the low-pressure stage compressor before, in internal exchanger and the high temperature heat pump working medium heat exchange that flows into from boiling device.
5, as the steam-exhaust coagulation heat recovery system of coal-burning power plant as described in the claim 4, it is characterized in that, the described high temperature heat pump working medium that flows out from boiling device internal exchanger cross cold after, a part flow through choke valve and decrease temperature and pressure, in intercooler with the mutual heat exchange of another part, own heat absorption evaporation, overheated, and another part is by further cold excessively.
6, as the steam-exhaust coagulation heat recovery system of coal-burning power plant as described in the claim 2, it is characterized in that, described high temperature heat pump working medium is after internal exchanger is overheated, enter the low-pressure stage compressor and be compressed into intermediate pressure, mix cooling with the lower overheated heat pump fluid of the temperature of the intermediate pressure that comes from intercooler again.
7, as the steam-exhaust coagulation heat recovery system of coal-burning power plant as described in the claim 6, it is characterized in that, the cooled high temperature heat pump working medium of described mixing by the hiigh pressure stage compressor compresses to the high temperature high pressure conditions, the high temperature heat pump working medium temperature of hiigh pressure stage compressor outlet is higher than the desorption temperature of MEA absorbent, be admitted to boiling device heating MEA absorbent, make its desorb.
8, the steam-exhaust coagulation heat recovery system of coal-burning power plant according to claim 1 is characterized in that described CO 2 trans-critical heat pump device comprises compressor, carbon dioxide cooler, choke valve and evaporative condenser;
Described compressor is connected with evaporative condenser with the carbon dioxide cooler respectively;
Described choke valve is connected with evaporative condenser with the carbon dioxide cooler respectively.
As the steam-exhaust coagulation heat recovery system of coal-burning power plant as described in the claim 8, it is characterized in that 9, described carbon dioxide heat-pump working medium is in the exhaust steam heat exchange of evaporative condenser and coal-burning power plant, absorb the heat of exhaust steam and evaporate; After evaporative condenser is flow through in part exhaust steam, emit condensation latent heat.
10, as the steam-exhaust coagulation heat recovery system of coal-burning power plant as described in the claim 9, it is characterized in that, described carbon dioxide heat-pump working medium is compressed to supercriticality by compressor, the carbon dioxide heat-pump working medium temperature of compressor outlet is higher than running water and heating water return temperature, is admitted to the carbon dioxide cooler and adds hot tap-water and heating water return.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102287244A (en) * | 2010-04-28 | 2011-12-21 | 阿尔斯通技术有限公司 | Thermal integration of a carbon dioxide capture and compression unit with a steam or combined cycle plant |
| CN103017411A (en) * | 2012-11-28 | 2013-04-03 | 西安交通大学 | High temperature heat pump system for distillation |
| CN108679682A (en) * | 2018-03-13 | 2018-10-19 | 东南大学 | It recycles thermal power plant dry method and traps CO2Process waste heat and the system for being used for heat supply |
| CN109027994A (en) * | 2018-07-18 | 2018-12-18 | 华北电力大学 | Utilize residual heat from boiler fume, decarburization waste heat and absorption heat pump coal generating system |
| CN109442530A (en) * | 2018-10-16 | 2019-03-08 | 中国大唐集团科学技术研究院有限公司火力发电技术研究院 | A kind of turbine exhaust heat based on CO 2 trans-critical heat pump utilizes system |
| CN112028443A (en) * | 2020-07-16 | 2020-12-04 | 北京国电龙源环保工程有限公司 | Heat energy utilization integrated device, material drying system and drying method |
| CN115479406A (en) * | 2022-04-21 | 2022-12-16 | 浙江理工大学 | Carbon-absorbing type air source heat pump composite system |
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2009
- 2009-01-06 CN CN 200910076515 patent/CN101464072B/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102287244A (en) * | 2010-04-28 | 2011-12-21 | 阿尔斯通技术有限公司 | Thermal integration of a carbon dioxide capture and compression unit with a steam or combined cycle plant |
| CN102287244B (en) * | 2010-04-28 | 2016-02-24 | 阿尔斯通技术有限公司 | The heat of collecting carbonic anhydride and compression unit and steam or combined cycle power plant is integrated |
| US9856755B2 (en) | 2010-04-28 | 2018-01-02 | General Electric Technology Gmbh | Thermal integration of a carbon dioxide capture and compression unit with a steam or combined cycle plant |
| CN103017411A (en) * | 2012-11-28 | 2013-04-03 | 西安交通大学 | High temperature heat pump system for distillation |
| CN103017411B (en) * | 2012-11-28 | 2014-11-05 | 西安交通大学 | High temperature heat pump system for distillation |
| CN108679682A (en) * | 2018-03-13 | 2018-10-19 | 东南大学 | It recycles thermal power plant dry method and traps CO2Process waste heat and the system for being used for heat supply |
| CN109027994A (en) * | 2018-07-18 | 2018-12-18 | 华北电力大学 | Utilize residual heat from boiler fume, decarburization waste heat and absorption heat pump coal generating system |
| CN109027994B (en) * | 2018-07-18 | 2023-08-29 | 华北电力大学 | Coal-fired power generation system utilizing boiler flue gas waste heat, decarbonizing waste heat and absorption heat pump |
| CN109442530A (en) * | 2018-10-16 | 2019-03-08 | 中国大唐集团科学技术研究院有限公司火力发电技术研究院 | A kind of turbine exhaust heat based on CO 2 trans-critical heat pump utilizes system |
| CN112028443A (en) * | 2020-07-16 | 2020-12-04 | 北京国电龙源环保工程有限公司 | Heat energy utilization integrated device, material drying system and drying method |
| CN112028443B (en) * | 2020-07-16 | 2021-11-23 | 国能龙源环保有限公司 | Heat energy utilization integrated device, material drying system and drying method |
| CN115479406A (en) * | 2022-04-21 | 2022-12-16 | 浙江理工大学 | Carbon-absorbing type air source heat pump composite system |
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