CN203655375U - Comprehensive utilization system for power plant waste heat recovery - Google Patents
Comprehensive utilization system for power plant waste heat recovery Download PDFInfo
- Publication number
- CN203655375U CN203655375U CN201320752615.0U CN201320752615U CN203655375U CN 203655375 U CN203655375 U CN 203655375U CN 201320752615 U CN201320752615 U CN 201320752615U CN 203655375 U CN203655375 U CN 203655375U
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- heat
- condenser
- power plant
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
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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
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
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Abstract
The utility model discloses a comprehensive utilization system for power plant waste heat recovery. The system comprises an absorption heat pump system, a heat source and a heat consumer. The absorption heat pump system comprises a generator, an absorber, a solution pump, a first throttle valve, a second throttle valve, an evaporator and a condenser. The generator, the first throttle valve, the absorber and the solution pump are sequentially connected in series. The condenser, the second throttle valve and the evaporator are sequentially connected in series. The medium output end of the generator is connected with the medium input end of the condenser. The medium output end of the evaporator is connected with the medium input end of the absorber. The heat source provides heat for the generator. The heat consumer obtains the heat released by the condenser. The system fully utilizes the low-grade heat and the smoke waste heat of the condenser of a boiler turbine generator set to carry out waste heat power generation, provides the heating heat source and the air-conditioning freeze water for users according to the season, heats the main condensation water in a turbine regenerative system, fully utilizes the waste heat resources and improves the utilization efficiency of the waste heat resources.
Description
Technical field
The utility model relates to a kind of residual heat of electric power plant and reclaims utilization system.
Background technique
The thermal loss of boiler of power plant Turbo-generator Set mainly contains two large divisions, and the one, the cold source energy of vapour condenser, accounts for greatly 43%; Another part is exactly boiler exhaust gas thermal loss; Boiler exhaust gas thermal loss is mainly by arranging that at boiler flue the form of low-level (stack-gas) economizer reclaims heat at present, and for heating the main condensate of Steam Turbine Regenerative System, UTILIZATION OF VESIDUAL HEAT IN efficiency is lower; For the cold source energy of vapour condenser, because the heat of this part is huge, but thermal source grade is very low, and temperature relatively approaches ambient temperature, more difficult recycling.In order to make full use of a large amount of tow taste heat of vapour condenser, there is the area of heating requirement for cold region, can apply absorption heat pump technology, carry out the recovery of vapour condenser tow taste heat, heating user is carried out to heat supply.The utility model patent " remaining heat of flue gas from steam power plant and solidifying gas residual heat integrative recycling system " that is 201120236028.7 as the patent No. discloses the technological scheme of two kinds of waste heats of power plant for winter heating and summer cooling, but its deficiency is residual heat of electric power plant amount is huge, the particularly low grade residual heat of vapour condenser, can only be utilized sub-fraction wherein, the overwhelming majority is not still utilized, but is discharged in environment.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of residual heat of electric power plant and reclaims utilization system, tow taste heat and fume afterheat that native system makes full use of boiler Turbo-generator Set vapour condenser carry out cogeneration, according to user heating thermal source and idle call chilled water are provided season, and heat the main condensate of Steam Turbine Regenerative System, make full use of residual heat resources and improved the utilization ratio of residual heat resources.
For solving the problems of the technologies described above, the utility model residual heat of electric power plant reclaims utilization system and comprises absorption type heat pump system, thermal source and hot user; Described absorption type heat pump system comprises generator, adsorber, solution pump, first throttle valve, the second throttle valve, vaporizer and condenser, described generator, first throttle valve, adsorber and solution pump are connected in series successively, described condenser, the second throttle valve and vaporizer are connected in series successively, the medium output terminal of described generator connects the medium input end of described condenser, and the medium output terminal of described vaporizer connects the medium input end of described adsorber; Described thermal source provides heat to described generator, and described hot user obtains the heat that described condenser discharges.
Further, above-mentioned thermal source is the heat energy of extracted steam from turbine or flue gas waste heat recovery system, and described extracted steam from turbine or flue gas waste heat recovery system are to described generator heat supply.
Further, above-mentioned hot user is low-temperature cogeneration system, Heating,Ventilating and Air Conditioning (HVAC) water system or power plant steam turbine heat regenerative system main condensate.
Further, the heat that above-mentioned vaporizer absorbs comes from the heat energy of power plant steam turbine vapour condenser cooling system, Heating,Ventilating and Air Conditioning (HVAC) water system or low-temperature cogeneration system.
Further, the low-temperature receiver of above-mentioned adsorber comes from the cooling system of low-temperature cogeneration system.
Adopted technique scheme because the utility model residual heat of electric power plant reclaims utilization system, native system comprises absorption type heat pump system, thermal source and hot user; Absorption type heat pump system comprises generator, adsorber, solution pump, first throttle valve, the second throttle valve, vaporizer and condenser, generator, first throttle valve, adsorber and solution pump are connected in series successively, condenser, the second throttle valve and vaporizer are connected in series successively, the medium output terminal of generator connects the medium input end of condenser, and the medium output terminal of vaporizer connects the medium input end of adsorber; Thermal source provides heat to generator, and hot user obtains the heat that condenser discharges.Tow taste heat and fume afterheat that native system makes full use of boiler Turbo-generator Set vapour condenser carry out cogeneration, according to user heating thermal source and idle call chilled water are provided season, and heat the main condensate of Steam Turbine Regenerative System, make full use of residual heat resources and improved the utilization ratio of residual heat resources.
Brief description of the drawings
Below in conjunction with drawings and embodiments, the utility model is described in further detail:
Fig. 1 is that the utility model residual heat of electric power plant reclaims utilization system schematic diagram.
Embodiment
As shown in Figure 1, the utility model residual heat of electric power plant recovery utilization system comprises absorption type heat pump system, thermal source 2 and hot user 3; Described absorption type heat pump system comprises generator 11, adsorber 12, solution pump 15, first throttle valve 16, the second throttle valve 17, vaporizer 14 and condenser 13, described generator 11, first throttle valve 16, adsorber 12 and solution pump 15 are connected in series successively, described condenser 13, the second throttle valve 17 and vaporizer 14 are connected in series successively, the medium output terminal of described generator 11 connects the medium input end of described condenser 13, and the medium output terminal of described vaporizer 14 connects the medium input end of described adsorber 12; Described thermal source 2 provides heat to described generator 11, and described hot user 3 obtains the heat that described condenser 13 discharges.
Further, above-mentioned thermal source 2 is the heat energy of extracted steam from turbine or flue gas waste heat recovery system, and described extracted steam from turbine or flue gas waste heat recovery system are to described generator 11 heat supplies; Certainly thermal source 2 can with the steam in other source, for example, can be also the steam of boiler equipment generation or the steam in heat transmission equipment source.
Further, above-mentioned hot user 3 is low-temperature cogeneration system, Heating,Ventilating and Air Conditioning (HVAC) water system or power plant steam turbine heat regenerative system main condensate.
Further, the heat that above-mentioned vaporizer 14 absorbs comes from the heat energy of power plant steam turbine vapour condenser cooling system, Heating,Ventilating and Air Conditioning (HVAC) water system or low-temperature cogeneration system 4.
Further, the low-temperature receiver 5 of above-mentioned adsorber 12 comes from the cooling system of low-temperature cogeneration system.
Native system application absorption system principle, absorb by vaporizer the heat that generator obtains by thermal source, this thermal source can be the low-grade vapour condenser heat of condensation of steam turbine, fume afterheat or from air conditioning water system heat, first throttle valve and the second throttle valve are for regulating the flow of native system heat transferring medium, at the condenser of absorption system with adsorber side is rare puts more high-grade heat to hot user, as low-temperature cogeneration system is generated electricity, obtain high-grade energy, or provide user heating thermal source in heating season, provide user's idle call chilled water season in refrigeration, and the water of condensation of heating Steam Turbine Regenerative System is got back in steam turbine, thereby it is huge to solve power plant's low grade residual heat amount, the imbalance between supply and demand that cannot make full use of in each season, greatly improve residual heat resources utilization ratio.
Claims (5)
1. residual heat of electric power plant reclaims a utilization system, and native system comprises absorption type heat pump system, thermal source and hot user, described absorption type heat pump system comprises generator, adsorber, solution pump, first throttle valve, the second throttle valve, vaporizer and condenser, described generator, first throttle valve, adsorber and solution pump are connected in series successively, described condenser, the second throttle valve and vaporizer are connected in series successively, the medium output terminal of described generator connects the medium input end of described condenser, the medium output terminal of described vaporizer connects the medium input end of described adsorber, it is characterized in that: described thermal source provides heat to described generator, described hot user obtains the heat that described condenser discharges.
2. residual heat of electric power plant as claimed in claim 1 reclaims utilization system, it is characterized in that: described thermal source is the heat energy of extracted steam from turbine or flue gas waste heat recovery system, and described extracted steam from turbine or flue gas waste heat recovery system are to described generator heat supply.
3. residual heat of electric power plant as claimed in claim 1 reclaims utilization system, it is characterized in that: described hot user is low-temperature cogeneration system, Heating,Ventilating and Air Conditioning (HVAC) water system or power plant steam turbine heat regenerative system main condensate.
4. the residual heat of electric power plant as described in claim 1,2 or 3 reclaims utilization system, it is characterized in that: the heat that described vaporizer absorbs comes from the heat energy of power plant steam turbine vapour condenser cooling system, Heating,Ventilating and Air Conditioning (HVAC) water system or low-temperature cogeneration system.
5. residual heat of electric power plant as claimed in claim 4 reclaims utilization system, it is characterized in that: the low-temperature receiver of described adsorber comes from the cooling system of low-temperature cogeneration system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320752615.0U CN203655375U (en) | 2013-11-26 | 2013-11-26 | Comprehensive utilization system for power plant waste heat recovery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320752615.0U CN203655375U (en) | 2013-11-26 | 2013-11-26 | Comprehensive utilization system for power plant waste heat recovery |
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| CN203655375U true CN203655375U (en) | 2014-06-18 |
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| CN201320752615.0U Expired - Lifetime CN203655375U (en) | 2013-11-26 | 2013-11-26 | Comprehensive utilization system for power plant waste heat recovery |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104930619A (en) * | 2015-06-02 | 2015-09-23 | 西安工程大学 | Evaporative cooling-absorption heat pump combined air conditioning system for power plant |
| CN110294445A (en) * | 2019-07-23 | 2019-10-01 | 同方节能装备有限公司 | A kind of low-temperature flue gas waste heat utilization system in bottled drink production |
| CN113899110A (en) * | 2021-11-15 | 2022-01-07 | 中国科学院理化技术研究所 | Absorption type cooling and heating combined supply system with intermediate process |
| CN114234471A (en) * | 2021-11-29 | 2022-03-25 | 中国科学院理化技术研究所 | Absorption type combined cooling and heating system |
-
2013
- 2013-11-26 CN CN201320752615.0U patent/CN203655375U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104930619A (en) * | 2015-06-02 | 2015-09-23 | 西安工程大学 | Evaporative cooling-absorption heat pump combined air conditioning system for power plant |
| CN104930619B (en) * | 2015-06-02 | 2018-05-15 | 西安工程大学 | The power plant air-conditioning system that evaporation cooling-absorption heat pump is combined |
| CN110294445A (en) * | 2019-07-23 | 2019-10-01 | 同方节能装备有限公司 | A kind of low-temperature flue gas waste heat utilization system in bottled drink production |
| CN113899110A (en) * | 2021-11-15 | 2022-01-07 | 中国科学院理化技术研究所 | Absorption type cooling and heating combined supply system with intermediate process |
| CN114234471A (en) * | 2021-11-29 | 2022-03-25 | 中国科学院理化技术研究所 | Absorption type combined cooling and heating system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140618 |
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| CX01 | Expiry of patent term |