CN202532587U - System for recycling condensation heat from power plant for building heating by using heat pump - Google Patents
System for recycling condensation heat from power plant for building heating by using heat pump Download PDFInfo
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- CN202532587U CN202532587U CN 201220188244 CN201220188244U CN202532587U CN 202532587 U CN202532587 U CN 202532587U CN 201220188244 CN201220188244 CN 201220188244 CN 201220188244 U CN201220188244 U CN 201220188244U CN 202532587 U CN202532587 U CN 202532587U
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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
- 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]
- Y02B30/12—Hot water central heating systems using heat pumps
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Abstract
The utility model relates to a system for recycling condensation heat from a power plant for building heating by using a heat pump. The system comprises a heat pump which comprises a hot water warming port and an afterheat absorbing port. A branch extended out of a heat exchange circulating water pipeline of a condenser is communicated with the inlet of an afterheat absorbing port of the heat pump, wherein steam in the condenser flows into a power plant cooling tower through the heat exchange circulating water pipeline; the outlet of the afterheat absorbing port of the heat pump is communicated with the heat exchange circulating water pipeline of the condenser, wherein steam in the power plant cooling tower flows back to the heat exchange circulating water pipeline of the condenser; a backflow warm water pipeline of a secondary heating plant is directly connected to the inlet of the hot water warming port of the heat pump; the outlet of the hot water warming port of the heat pump is communicated with a low-temperature water inlet of a heat exchange unit; and a high-temperature water outlet of the heat exchange unit is communicated with the secondary heating plant. By adopting a heat pump technology for recycling condensation heat, waste heat from a power plant can be recycled for heating in winter in cities and supplying domestic hot water. Waste heat recycling without changing the generating operation of the original system can be realized.
Description
Technical field
The utility model relates to the thermal hardware technical field, relates in particular to a kind of heat pump and reclaims the system that power plant's condensation heat is used for building heating.
Background technology
China's central heating is along with the construction development of urbanization is rapid, and national Areas benefiting from central heating had reached 47.2 hundred million square metres in 2011.Northern area central heating thermal source day is inadequate, and existing thermoelectricity co-generating heat supplying is limited in one's ability, and the newly-built large area of having in many cities boiler room (thermal source factory) is as the central heating thermal source, and the thermal source breach is bigger.Just be not utilized at the thermoelectric unit of central heating and the condensation heat that can support the fired power generating unit of utilization; The condensation heat that accounts for the heat of steam power plant more than 20% is still through air cooling island or cooling tower emptying; Fire (heat) group of motors comprises that single-machine capacity moves under the large electric power plant unit more than the 300MW still state in inefficient high energy consumption, the thermal power plant condensation heat enters atmosphere through cooling tower or air cooling island; Form huge cold junction loss; Be the low main cause of thermal power plant energy use efficiency, not only cause energy and water (or) waste, simultaneously also seriously (heat) has been polluted atmosphere.Thermal power plant condensation heat emptying is the ubiquitous problem in the China and even the world, is waste, also is helpless.
The utility model content
The purpose of the utility model is to design a kind of novel heat pump and reclaims the system that power plant's condensation heat is used for building heating, addresses the above problem.
To achieve these goals, the technical scheme of the utility model employing is following:
A kind of heat pump reclaims the system that power plant's condensation heat is used for building heating; Comprise station boiler, steam turbine, condenser, power plant's cooling tower, heat exchange unit and secondary heating plant; The steam that said station boiler produces is divided into two-way through behind the said steam turbine, wherein flows back to said station boiler behind the said condenser of one tunnel process; Another road is also to flow back to said station boiler after the heat supply of said secondary heating plant through said heat exchange unit; Be communicated with by the heat exchange circulating water line between said condenser and the said power plant cooling tower; Also comprise heat pump; Said heat pump comprises hot water intensification port and absorbs the waste heat port; Flow into by said condenser on the said heat exchange circulating water line of said power plant cooling tower and tell the inlet that a branch road is communicated to the absorption waste heat port of said heat pump, the outlet of the absorption waste heat port of said heat pump is communicated to said power plant cooling tower and passes back on the said heat exchange circulating water line of said condenser; The warm water pipeline that said secondary heating plant refluxes directly inserts the inlet of the hot water intensification port of said heat pump; The outlet of the hot water intensification port of said heat pump is communicated to the low temperature water inlet of said heat exchange unit, and the high-temperature water outlet mouth of said heat exchange unit is communicated to said secondary heating plant.
The inlet of the driving heat source of said heat pump is communicated to the outlet of drawing gas of steam on the said steam turbine.
It is the saturated vapor of 0.2MPa-0.8MPa that the inlet of the driving heat source of said heat pump is communicated to the draw gas outlet steam in exit of steam on the said steam turbine.
The employed heat exchanger of said secondary heating plant is a plate type heat exchanger.
Said heat pump is a lithium bromide absorption type heat pump.
The beneficial effect of the utility model can be summed up as follows:
1, the utility model utilizes heat pump techniques to reclaim condensation heat can the heat recovery that thermal power plant is discarded be used for city heat supply in winter and supply domestic hot-water.The condensation heat of thermal power plant taste (temperature) is lower, through series of process the heat of recovery is incorporated into former heating system after utilizing heat pump with heat extraction wherein, only reclaims used heat, does not change the generator operation of original system.
2, the utility model is simple in structure, and low production cost has increased the heating area of former heating system on the basis that does not increase energy resource consumption, realizes the free income of operation, reduces the discharging of pollutant.
Description of drawings
Fig. 1 is the prior art constructions sketch map;
Fig. 2 is the structural representation of the utility model.
The specific embodiment
Clearer for technical problem, technical scheme and beneficial effect that the utility model is solved, below in conjunction with accompanying drawing and embodiment, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
A kind of heat pump as shown in Figure 2 reclaims the system that power plant's condensation heat is used for building heating; Comprise station boiler, steam turbine, condenser, power plant's cooling tower, heat exchange unit and secondary heating plant; The steam that said station boiler produces is divided into two-way through behind the said steam turbine, wherein flows back to said station boiler behind the said condenser of one tunnel process; Another road is also to flow back to said station boiler after the heat supply of said secondary heating plant through said heat exchange unit; Be communicated with by the heat exchange circulating water line between said condenser and the said power plant cooling tower; Also comprise heat pump; Said heat pump comprises hot water intensification port and absorbs the waste heat port; Flow into by said condenser on the said heat exchange circulating water line of said power plant cooling tower and tell the inlet that a branch road is communicated to the absorption waste heat port of said heat pump, the outlet of the absorption waste heat port of said heat pump is communicated to said power plant cooling tower and passes back on the said heat exchange circulating water line of said condenser; The warm water pipeline that said secondary heating plant refluxes directly inserts the inlet of the hot water intensification port of said heat pump; The outlet of the hot water intensification port of said heat pump is communicated to the low temperature water inlet of said heat exchange unit, and the high-temperature water outlet mouth of said heat exchange unit is communicated to said secondary heating plant.
The inlet of the driving heat source of said heat pump is communicated to the outlet of drawing gas of steam on the said steam turbine.
It is the saturated vapor of 0.2MPa-0.8MPa that the inlet of the driving heat source of said heat pump is communicated to the draw gas outlet steam in exit of steam on the said steam turbine.
The employed heat exchanger of said secondary heating plant is a plate type heat exchanger.
Said heat pump is a lithium bromide absorption type heat pump.
In the present embodiment, can adopt absorption water resource heat pump, condenser recirculated water is reduced to 30 ℃ from 40 ℃; Adopt absorption heat pump to reclaim the steam discharge condensation heat heat supply water is heated to 90 ℃ from 60 ℃, through extracted steam from turbine hot water is heated to 120 ℃ again, send the hot water pipe net of secondary heating plant; The secondary heating plant is heated to 80 ℃ through heat-exchangers of the plate type with 55 ℃ of hot water and supplies heating; Wherein source pump need use part 0.5MPa saturated vapor as driving heat source.In the present embodiment, after heat pump reclaims condensation heat and is used for the urban heat supplying technical application and implements, increased source pump and auxiliary piping system, realized reclaiming condensation waste heat, with original system directly heating compare energy-conservationly 40%, maximum heat capacity can improve 70%.
More than through the detailed description of concrete and preferred embodiment the utility model; But those skilled in the art should be understood that; The utility model is not limited to the above embodiment; All within the spirit and principle of the utility model, any modification of being done, be equal to replacement etc., all should be included within the protection domain of the utility model.
Claims (5)
1. a heat pump reclaims the system that power plant's condensation heat is used for building heating; Comprise station boiler, steam turbine, condenser, power plant's cooling tower, heat exchange unit and secondary heating plant; The steam that said station boiler produces is divided into two-way through behind the said steam turbine, wherein flows back to said station boiler behind the said condenser of one tunnel process; Another road is also to flow back to said station boiler after the heat supply of said secondary heating plant through said heat exchange unit; Be communicated with by the heat exchange circulating water line between said condenser and the said power plant cooling tower; It is characterized in that: also comprise heat pump; Said heat pump comprises hot water intensification port and absorbs the waste heat port; Flow into by said condenser on the said heat exchange circulating water line of said power plant cooling tower and tell the inlet that a branch road is communicated to the absorption waste heat port of said heat pump, the outlet of the absorption waste heat port of said heat pump is communicated to said power plant cooling tower and passes back on the said heat exchange circulating water line of said condenser; The warm water pipeline that said secondary heating plant refluxes directly inserts the inlet of the hot water intensification port of said heat pump; The outlet of the hot water intensification port of said heat pump is communicated to the low temperature water inlet of said heat exchange unit, and the high-temperature water outlet mouth of said heat exchange unit is communicated to said secondary heating plant.
2. heat pump according to claim 1 reclaims the system that power plant's condensation heat is used for building heating, it is characterized in that: the inlet of the driving heat source of said heat pump is communicated to the outlet of drawing gas of steam on the said steam turbine.
3. heat pump according to claim 2 reclaims the system that power plant's condensation heat is used for building heating, it is characterized in that: it is the saturated vapor of 0.2MPa-0.8MPa that the inlet of the driving heat source of said heat pump is communicated to the draw gas outlet steam in exit of steam on the said steam turbine.
4. heat pump according to claim 1 reclaims the system that power plant's condensation heat is used for building heating, and it is characterized in that: the employed heat exchanger of said secondary heating plant is a plate type heat exchanger.
5. heat pump according to claim 1 reclaims the system that power plant's condensation heat is used for building heating, and it is characterized in that: said heat pump is a lithium bromide absorption type heat pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220188244 CN202532587U (en) | 2012-04-27 | 2012-04-27 | System for recycling condensation heat from power plant for building heating by using heat pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220188244 CN202532587U (en) | 2012-04-27 | 2012-04-27 | System for recycling condensation heat from power plant for building heating by using heat pump |
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| Publication Number | Publication Date |
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| CN202532587U true CN202532587U (en) | 2012-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220188244 Expired - Fee Related CN202532587U (en) | 2012-04-27 | 2012-04-27 | System for recycling condensation heat from power plant for building heating by using heat pump |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103912908A (en) * | 2013-01-06 | 2014-07-09 | 孙霆 | Power station condensation heat recycling system and method |
| CN103954039A (en) * | 2014-04-02 | 2014-07-30 | 华电电力科学研究院 | Device and method for recycling smoke condensate heat energy of gas boiler in heat pumping mode |
| CN104975892A (en) * | 2015-07-07 | 2015-10-14 | 中能世华(北京)节能科技有限公司 | Heat pump waste heat recovery system |
| CN105805813A (en) * | 2016-05-11 | 2016-07-27 | 天津大学建筑设计研究院 | Heating supply system capable of recovering waste heat of thermal power plant |
| CN106152228A (en) * | 2015-03-10 | 2016-11-23 | 中能世华(北京)节能科技有限公司 | A kind of hair power plant heat utilization system |
| CN108731083A (en) * | 2017-04-18 | 2018-11-02 | 李建锋 | The heating system of heat pump and power plant cycle water coincidence |
| CN111351108A (en) * | 2018-12-20 | 2020-06-30 | 大连民族大学 | Heat pump heat exchange method of lithium bromide with heat and power mixed and heat supplemented |
| CN111351114A (en) * | 2018-12-20 | 2020-06-30 | 大连民族大学 | Float glass waste heat recovery method for lithium bromide heat pump heating |
| CN111351113A (en) * | 2018-12-20 | 2020-06-30 | 大连民族大学 | Lithium bromide heat pump heating method with heat pump and plate heat exchanger mixed |
| CN111351269A (en) * | 2018-12-20 | 2020-06-30 | 大连民族大学 | Lithium bromide heat pump heating method |
| CN111351258A (en) * | 2018-12-20 | 2020-06-30 | 大连民族大学 | Method for supplying circulating intermediate water by combining heat mixing type heat pump and waste heat recovery float glass |
| CN113357692A (en) * | 2021-06-04 | 2021-09-07 | 中国科学院广州能源研究所 | Circulating water waste heat recovery system of thermal power plant |
| CN113686190A (en) * | 2021-08-31 | 2021-11-23 | 济南美联同创能源科技有限公司 | System and method for comprehensively recycling and utilizing low-temperature waste heat |
| CN115574646A (en) * | 2022-12-09 | 2023-01-06 | 华北电力大学（保定） | Cascade phase change heat storage system and method based on power plant waste heat and high-temperature heat pump |
-
2012
- 2012-04-27 CN CN 201220188244 patent/CN202532587U/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103912908A (en) * | 2013-01-06 | 2014-07-09 | 孙霆 | Power station condensation heat recycling system and method |
| CN103954039A (en) * | 2014-04-02 | 2014-07-30 | 华电电力科学研究院 | Device and method for recycling smoke condensate heat energy of gas boiler in heat pumping mode |
| CN103954039B (en) * | 2014-04-02 | 2017-02-08 | 华电电力科学研究院 | Device and method for recycling smoke condensate heat energy of gas boiler in heat pumping mode |
| CN106152228A (en) * | 2015-03-10 | 2016-11-23 | 中能世华(北京)节能科技有限公司 | A kind of hair power plant heat utilization system |
| CN104975892A (en) * | 2015-07-07 | 2015-10-14 | 中能世华(北京)节能科技有限公司 | Heat pump waste heat recovery system |
| CN105805813A (en) * | 2016-05-11 | 2016-07-27 | 天津大学建筑设计研究院 | Heating supply system capable of recovering waste heat of thermal power plant |
| CN108731083A (en) * | 2017-04-18 | 2018-11-02 | 李建锋 | The heating system of heat pump and power plant cycle water coincidence |
| CN111351114A (en) * | 2018-12-20 | 2020-06-30 | 大连民族大学 | Float glass waste heat recovery method for lithium bromide heat pump heating |
| CN111351108A (en) * | 2018-12-20 | 2020-06-30 | 大连民族大学 | Heat pump heat exchange method of lithium bromide with heat and power mixed and heat supplemented |
| CN111351113A (en) * | 2018-12-20 | 2020-06-30 | 大连民族大学 | Lithium bromide heat pump heating method with heat pump and plate heat exchanger mixed |
| CN111351269A (en) * | 2018-12-20 | 2020-06-30 | 大连民族大学 | Lithium bromide heat pump heating method |
| CN111351258A (en) * | 2018-12-20 | 2020-06-30 | 大连民族大学 | Method for supplying circulating intermediate water by combining heat mixing type heat pump and waste heat recovery float glass |
| CN113357692A (en) * | 2021-06-04 | 2021-09-07 | 中国科学院广州能源研究所 | Circulating water waste heat recovery system of thermal power plant |
| CN113686190A (en) * | 2021-08-31 | 2021-11-23 | 济南美联同创能源科技有限公司 | System and method for comprehensively recycling and utilizing low-temperature waste heat |
| CN113686190B (en) * | 2021-08-31 | 2024-02-02 | 济南美联同创能源科技有限公司 | System and method for comprehensively recycling and utilizing low-temperature waste heat |
| CN115574646A (en) * | 2022-12-09 | 2023-01-06 | 华北电力大学（保定） | Cascade phase change heat storage system and method based on power plant waste heat and high-temperature heat pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121114 Termination date: 20150427 |
|
| EXPY | Termination of patent right or utility model |