CN202869079U - Condensate water heating device utilizing power plant circulating cooling water waste heat recovered by jet-type heat pump - Google Patents
Condensate water heating device utilizing power plant circulating cooling water waste heat recovered by jet-type heat pump Download PDFInfo
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- CN202869079U CN202869079U CN2012204240119U CN201220424011U CN202869079U CN 202869079 U CN202869079 U CN 202869079U CN 2012204240119 U CN2012204240119 U CN 2012204240119U CN 201220424011 U CN201220424011 U CN 201220424011U CN 202869079 U CN202869079 U CN 202869079U
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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]
- Y02B30/52—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
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Abstract
The utility model discloses a condensate water heating device utilizing circulating cooling water waste heat recovered by a jet-type heat pump, and belongs to the technical field of energy conservation. Low pressure steam of a power plant steam turbine is utilized as a power supply of the jet-type heat pump, the jet-type heat pump device is adopted to absorb the circulating cooling water heat of a condenser, and meanwhile the heat is recovered and converted, and the heat is released to parts needing to use heat. The jet-type heat pump is capable of replacing a part of low pressure heaters to raise the temperature of condensed water, and therefore capable of supplying heating or living water and the like to a user. The jet-type heat pump unit is installed on the ground, and convenient to clean or maintain, heat of the low pressure steam and the circulating cooling water waste heat of the condenser are fully utilized, circulating cooling water losses caused by evaporation are reduced, and the heat exhausted to air from a power plant is reduced. The condensate water heating device utilizing the circulating cooling water waste heat recovered by the jet-type heat pump is simple in structure, small in equipment initial investment, long in running time, convenient to manage and maintain, and less in primary energy use, and therefore the condensate water heating device utilizing the circulating cooling water waste heat recovered by the jet-type heat pump provides an efficient and energy-saving waste heat recovering technology.
Description
Technical field
The utility model relates to a kind of device that utilizes jet type heat pump to reclaim circulating cooling water of power plant waste-heat condensed water, is to the recovery of the waste heat that produces in power plant's power generation process and the technology of utilization, belongs to field of energy-saving technology.
Background technology
Heat pump is a kind of to consume by way of compensation condition of the high-order energy of part, the Lowlevel thermal energy in the low-temperature heat source is changed into the energy saver of high level heat.Utilize low temperature heat energy (such as the discarded heat of power plant), a large amount of energy efficient under China's electric power energy condition more in short supply, uses this unit that realistic meaning is more arranged.Adopt jet type heat pump to reclaim electric power plant circulating water used heat, namely can recycle the discarded heat of power plant, can reduce again the consumption of the high potentials such as electric energy.
Summary of the invention
The purpose of this utility model is to propose a kind of device that utilizes jet type heat pump to reclaim circulating cooling water of power plant waste-heat condensed water, utilize the low-pressure steam of power plant steam turbine as the power source of jet type heat pump, by the heat in the cooling circulating water of jet type heat pump device absorption condenser, utilize simultaneously the heat recovery conversion, to the position heat release of needs with heat, promote the utilization of the energy.
The technical solution adopted in the utility model is: a kind of device that utilizes jet type heat pump to reclaim circulating cooling water of power plant waste-heat condensed water, it comprises a steam turbine work system and a cooling circulating water system, it also comprises a jet type heat pump unit, described steam turbine work system adopts boiler, steam turbine to be connected with condenser and to connect, described cooling circulating water system adopts cooling circulating water pump to connect cistern, and described jet type heat pump unit comprises condenser, evaporimeter and generator; Be provided with the working steam pipeline between described boiler and the steam turbine, adopt pipeline to be connected between the exhaust steam outlet of steam turbine and the heating fluid inlet of generator, the employing pipeline is connected between the heating fluid issuing of generator and the import of condenser; The outlet of described condenser connects condensate pump, gland heater, low-pressure heater, oxygen-eliminating device, high-pressure heater and boiler successively; Adopt pipeline to be connected between the coolant outlet of described condenser and the cooling water inlet of evaporimeter, the employing pipeline is connected between the coolant outlet of evaporimeter and the cistern.
Adopt between described low-pressure heater and the condenser to be connected in parallel, adopt pipeline to be connected between the outlet of gland heater and the import of condenser, the employing pipeline is connected between the outlet of condenser and the import of oxygen-eliminating device.
Described jet type heat pump unit mainly comprises condenser, reservoir, expansion valve, evaporimeter and a liquid pump, it also comprises a generator and injector, the outlet of described reservoir connects respectively expansion valve and liquid pump through pipeline, the outlet of liquid pump is connected to the import of injector through generator, the outlet of expansion valve is connected to the ejecting port of injector through evaporimeter (8.4), and the outlet of injector is connected to reservoir through condenser.
Described jet type heat pump unit adopts environmental protection refrigerant as working media, and environmental protection refrigerant is selected from R134a cold-producing medium, R141b cold-producing medium or R236fa cold-producing medium.
Adopt above-mentioned technical scheme, bleeding from steam turbine is connected to the generator of jet type heat pump, as the driving heat source of jet type heat pump, drives steam and again send into condenser after the heat pump generator condenses into water, forms condensate water.Utilize entrained heat in the evaporimeter absorption cycle cooling water in the jet type heat pump, adopt jet type heat pump and cooling tower parallel way, this mode is convenient to adjust as required endless form, can guarantee the recirculated water supply backwater temperature difference, satisfies the vacuum requirement of condenser.Utilize heat recovery conversion, jet type heat pump can the Substitute For Partial low-pressure heater be used for promoting the temperature of condensate water; Can or provide the domestic hot-water for user's heating.The PLC centralized Control is adopted in electrical control.
The beneficial effects of the utility model are: utilize the low-pressure steam of power plant steam turbine as the power source of jet type heat pump, by the heat in the cooling circulating water of jet type heat pump device absorption condenser, utilize simultaneously the heat recovery conversion, to the position heat release of needs with heat.This jet type heat pump can the Substitute For Partial low-pressure heater be used for promoting the temperature of condensate water; Can or provide domestic hot-water etc. for user's heating.The jet type heat pump unit is installed and is convenient on the ground clean or safeguard, take full advantage of the heat of low-pressure steam and the used heat in the condenser cooling circulating water, has reduced the loss that recirculated water causes because of evaporation, reduces power plant to the heat of airborne release.This apparatus structure is simple, investment of equipment is little, long operational time, management maintenance convenient, the primary energy utilization less, be a kind of energy-efficient heat recovery technology.
Description of drawings
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is a kind of fundamental diagram that utilizes jet type heat pump to reclaim circulating cooling water of power plant waste-heat condensate water.
Fig. 2 is that a kind of jet type heat pump that utilizes reclaims the fundamental diagram that the circulating cooling water of power plant waste heat is user's heating, domestic hot-water supply.
Among the figure: 1, boiler, 2, steam turbine, 3, condenser, 4, condensate pump, 5, gland heater, 6, low-pressure heater, 7, oxygen-eliminating device, 8, high-pressure heater, 9, the jet type heat pump unit, 9.1, condenser, 9.1a, high-temperature water, 9.1b, water at low temperature, 9.2, reservoir, 9.3, expansion valve, 9.4, evaporimeter, 9.4a, high temperature fluid, 9.4b, cryogen, 9.5, injector, 9.5a, import, 9.5b, ejecting port, 9.5c, outlet, 9.6, liquid pump, 9.7, generator, 9.7a, high-temperature steam, 9.7b, Low Temperature Steam, 10, cooling circulating water pump, 11, cooling tower, 12, cistern.
The specific embodiment
The below is further described embodiment with reference to the accompanying drawings.
Fig. 1 shows a kind of fundamental diagram that utilizes jet type heat pump to reclaim circulating cooling water of power plant waste-heat condensate water.
Fig. 2 shows a kind of jet type heat pump that utilizes and reclaims the fundamental diagram that the circulating cooling water of power plant waste heat is user's heating, domestic hot-water supply.
Among the figure, the device that utilizes jet type heat pump to reclaim circulating cooling water of power plant waste-heat condensed water comprises a steam turbine work system and a cooling circulating water system, and it also comprises a jet type heat pump unit 9.The steam turbine work system is connected in turn boiler 1, steam turbine 2, condenser 3, condensate pump 4, gland heater 5, low-pressure heater 6, oxygen-eliminating device 7 and high-pressure heater 8.Cooling circulating water system is connected in turn cooling circulating water pump 10, cooling tower 11 and cistern 12.The generator 9.7 of jet type heat pump unit 9 and evaporimeter 9.4 will link together with steam turbine work system and cooling circulating water system respectively.When jet type heat pump unit 9 was used for the heat-setting water system, condenser 9.1 and the steam turbine work system of jet type heat pump unit 9 linked together (as shown in Figure 1); Heat when jet type heat pump unit 9 is used to the user, when the domestic hot-water is provided, the condenser 9.1 of jet type heat pump unit 9 is connected (as shown in Figure 2) with the hot system of required usefulness.Boiler 1 is supplied with working steams to steam turbine 2, and the low-pressure steam that steam turbine 2 is discharged is as the hot fluid that adds of generator 9.7, and the hot fluid that adds of generator 9.7 returns in the condenser 3 and condenses into water.When the jet type heat pump unit is used for heat-setting water, 25 ~ 35 ℃ of left and right sides condensate water in the condenser 3 are behind shaft seal heater 5, enter again and be heated to 50 ~ 65 ℃ in the condenser 9.1, then enter the water supply line of boiler 1, wherein condenser 9.1 is in parallel with low-pressure heater 6, can regulate duty (as shown in Figure 1) by the valve member that arranges on the pipeline; When the jet type heat pump unit was used for heating/domestic hot-water, heating water return/domestic hot-water of 40 ~ 50 ℃ entered and is heated to 50 ~ 60 ℃ in the condenser 9.1 for central heating/domestic hot-water's (as shown in Figure 2).25 ~ 35 ℃ of cooling waters of discharging from condenser 3 enter evaporimeter 9.4 and are cooled to 20 ~ 25 ℃, then enter cistern 12; Evaporimeter 9.4 is in parallel with cooling tower 11, can regulate duty by the valve member that arranges on the pipeline.
The outlet of the reservoir 9.2 of jet type heat pump unit 9 connects respectively expansion valve 9.3 and liquid pump 9.6 through pipeline, the outlet of liquid pump 9.6 is connected to the import 9.5a of injector 9.5 through generator 9.7, the outlet of expansion valve 9.3 is connected to the ejecting port 9.5b of injector 9.5 through evaporimeter 9.4, and the outlet 9.5c of injector 9.5 is connected to reservoir 9.2 through condenser 9.1.
Above-mentioned jet type heat pump unit 9 is in when operation, the liquid refrigerant of being supplied with by reservoir 9.2, and one the tunnel enters in the evaporimeter 9.4 through expansion valve 9.3, when becoming the refrigerant vapour of low pressure, absorbs the amount of heat of high temperature fluid 9.4a; Another road is subjected to steam turbine 2 that the heating of high-temperature steam 9.7a is provided in generator 9.7, becomes the refrigerant vapour of high pressure.When the refrigerant vapour of high pressure enters injector 9.5, the refrigerant vapour of injection low pressure mixes compression refrigerant steam in the formation in injector 9.5, the middle compression refrigerant steam that carries amount of heat is in condenser 9.1 during condensation, release heat produces the water supply line that high-temperature water 9.1a enters boiler 1.Compression refrigerant steam is liquefied as liquid refrigerant and enters reservoir 9.2 simultaneously, recycles.
Claims (4)
1. device that utilizes jet type heat pump to reclaim circulating cooling water of power plant waste-heat condensed water, it comprises a steam turbine work system and a cooling circulating water system, it is characterized in that: further comprising a jet type heat pump unit (9), described steam turbine work system adopts boiler (1), steam turbine (2) to be connected 3 with condenser) connect successively, described cooling circulating water system adopts cooling circulating water pump (10) to connect cistern (12), and described jet type heat pump unit (9) comprises condenser (9.1), evaporimeter (9.4) and generator (9.7); Be provided with the working steam pipeline between described boiler (1) and the steam turbine (2), adopt pipeline to be connected between the heating fluid inlet of the exhaust steam outlet of steam turbine (2) and generator (9.7), the employing pipeline is connected between the heating fluid issuing of generator (9.7) and the import of condenser (3); The outlet of described condenser (3) connects condensate pump (4), gland heater (5), low-pressure heater (6), oxygen-eliminating device (7), high-pressure heater (8) and boiler (1) successively; Adopt pipeline to be connected between the coolant outlet of described condenser (3) and the cooling water inlet of evaporimeter (9.4), the employing pipeline is connected between the coolant outlet of evaporimeter (9.4) and the cistern (12).
2. the device that utilizes jet type heat pump to reclaim circulating cooling water of power plant waste-heat condensed water according to claim 1, it is characterized in that: adopt between described low-pressure heater (6) and the condenser (9.1) to be connected in parallel, adopt pipeline to be connected between the outlet of gland heater (5) and the import of condenser (9.1), the employing pipeline is connected between the outlet of condenser (9.1) and the import of oxygen-eliminating device (7).
3. the device that utilizes jet type heat pump to reclaim circulating cooling water of power plant waste-heat condensed water according to claim 1, it is characterized in that: described jet type heat pump unit (9) mainly comprises a condenser (9.1), reservoir (9.2), expansion valve (9.3), evaporimeter (9.4) and liquid pump (9.6), it also comprises a generator (9.7) and injector (9.5), the outlet of described reservoir (9.2) connects respectively expansion valve (9.3) and liquid pump (9.6) through pipeline, the outlet of liquid pump (9.6) is connected to the import (9.5a) of injector (9.5) through generator (9.7), the outlet of expansion valve (9.3) is connected to the ejecting port (9.5b) of injector (9.5) through evaporimeter (9.4), and the outlet (9.5c) of injector (9.5) is connected to reservoir (9.2) through condenser (9.1).
4. the device that utilizes jet type heat pump to reclaim circulating cooling water of power plant waste-heat condensed water according to claim 3, it is characterized in that: described jet type heat pump unit (9) adopts environmental protection refrigerant as working media, and environmental protection refrigerant is selected from R134a cold-producing medium, R141b cold-producing medium or R236fa cold-producing medium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204240119U CN202869079U (en) | 2012-08-25 | 2012-08-25 | Condensate water heating device utilizing power plant circulating cooling water waste heat recovered by jet-type heat pump |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204240119U CN202869079U (en) | 2012-08-25 | 2012-08-25 | Condensate water heating device utilizing power plant circulating cooling water waste heat recovered by jet-type heat pump |
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| CN202869079U true CN202869079U (en) | 2013-04-10 |
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| CN2012204240119U Expired - Fee Related CN202869079U (en) | 2012-08-25 | 2012-08-25 | Condensate water heating device utilizing power plant circulating cooling water waste heat recovered by jet-type heat pump |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104456610A (en) * | 2014-12-02 | 2015-03-25 | 代元军 | Steam jet type heat pump circulating flue gas waste heat recovery system |
| CN105091408A (en) * | 2014-05-23 | 2015-11-25 | 哈尔滨工大金涛科技股份有限公司 | Steam jet type heat pump |
| CN106403629A (en) * | 2016-11-28 | 2017-02-15 | 哈尔滨工大金涛科技股份有限公司 | Waste water waste heat evaporator |
| CN107461958A (en) * | 2017-08-13 | 2017-12-12 | 中清源环保节能有限公司 | One kind utilizes jet type heat pump recovery chemical fertilizer factory gas making water residual heat system |
| CN110735676A (en) * | 2019-10-25 | 2020-01-31 | 西安交通大学 | coal-fired unit flexibility adjusting system and adjusting method adopting water replenishing tank |
| CN110926049A (en) * | 2019-12-05 | 2020-03-27 | 陕西鼓风机（集团）有限公司 | Cogeneration low-temperature heating process and system |
| CN112879996A (en) * | 2021-02-03 | 2021-06-01 | 上海电力大学 | Waste heat comprehensive utilization system for circulating cooling water of thermal power plant |
| CN113170688A (en) * | 2021-04-06 | 2021-07-27 | 常州大学 | Heat-storage and temperature-increasing system of mobile energy vehicle intelligent connection fruit and vegetable greenhouse |
-
2012
- 2012-08-25 CN CN2012204240119U patent/CN202869079U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105091408A (en) * | 2014-05-23 | 2015-11-25 | 哈尔滨工大金涛科技股份有限公司 | Steam jet type heat pump |
| CN104456610A (en) * | 2014-12-02 | 2015-03-25 | 代元军 | Steam jet type heat pump circulating flue gas waste heat recovery system |
| CN106403629A (en) * | 2016-11-28 | 2017-02-15 | 哈尔滨工大金涛科技股份有限公司 | Waste water waste heat evaporator |
| CN107461958A (en) * | 2017-08-13 | 2017-12-12 | 中清源环保节能有限公司 | One kind utilizes jet type heat pump recovery chemical fertilizer factory gas making water residual heat system |
| CN110735676A (en) * | 2019-10-25 | 2020-01-31 | 西安交通大学 | coal-fired unit flexibility adjusting system and adjusting method adopting water replenishing tank |
| CN110735676B (en) * | 2019-10-25 | 2020-12-22 | 西安交通大学 | Coal-fired unit flexibility adjusting system and adjusting method adopting water replenishing tank |
| CN110926049A (en) * | 2019-12-05 | 2020-03-27 | 陕西鼓风机（集团）有限公司 | Cogeneration low-temperature heating process and system |
| CN110926049B (en) * | 2019-12-05 | 2023-11-21 | 陕西鼓风机（集团）有限公司 | Cogeneration low-temperature heating process and system |
| CN112879996A (en) * | 2021-02-03 | 2021-06-01 | 上海电力大学 | Waste heat comprehensive utilization system for circulating cooling water of thermal power plant |
| CN113170688A (en) * | 2021-04-06 | 2021-07-27 | 常州大学 | Heat-storage and temperature-increasing system of mobile energy vehicle intelligent connection fruit and vegetable greenhouse |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130410 Termination date: 20150825 |
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| EXPY | Termination of patent right or utility model |