CN201561606U - Large high-efficiency multi-water-source heat pump system cooperated with power plant - Google Patents
Large high-efficiency multi-water-source heat pump system cooperated with power plant Download PDFInfo
- Publication number
- CN201561606U CN201561606U CN2009202795489U CN200920279548U CN201561606U CN 201561606 U CN201561606 U CN 201561606U CN 2009202795489 U CN2009202795489 U CN 2009202795489U CN 200920279548 U CN200920279548 U CN 200920279548U CN 201561606 U CN201561606 U CN 201561606U
- Authority
- CN
- China
- Prior art keywords
- water
- heat
- power plant
- heat pump
- condenser
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
A large high-efficiency multi-water-source heat pump system cooperated with power plant belongs to the field of cooling and heating air conditioner. The system comprises a thermoelectric system consisting of a steam boiler and a steam turbine; a power plant cooling water system consisting of a steam condenser, a cooling device and a water circulating pump of the power plant; a water source heat pump system; and a sewage or surface water intake system. A portion of power generated by the steam turbine is used for driving a heat pump unit. In winter, the circulating cooling water of the power plant is used as the heat source of the heat pump to reduce the evaporation loss of the circulating cooling water and to reduce the heat pollution to the environment; in summer, the sewage or surface water near the power plant is used as the cold source for heat exchange to meet the requirement of water source temperature of the heat pump unit, thereby obviating water pollution and improving the operation efficiency. The large high-efficiency multi-water-source heat pump system can supply heat in winter and provide refrigeration in summer, thereby greatly improving the energy utilization rate. Accordingly, the system can meet the requirement for daily life use and has high practical value.
Description
Technical field
The utility model relates to a kind of air-conditioning system, be specifically related to a kind of large-scale efficient multi-water resources heat pump in conjunction with power plant, this system utilizes the power plant steam turbine generating as driving power, utilizes circulating cooling water of power plant and peripheral sewage or earth surface water source (as river, lake water, seawater etc.) the large-scale water resource heat pump formula heating and refrigerating air-conditioning system as multichannel low level Cooling and Heat Source.
Background technology
With this novel relevant circulating cooling water of power plant UTILIZATION OF VESIDUAL HEAT IN technology, what the most power plant of China adopted all is condensing-type (containing the condensing-type that draws gas) steam turbine, and steam becomes exhaust steam after the steam turbine acting, drain into Turbine Cold Junction---condenser.In condenser, exhaust steam is conducted heat to recirculated cooling water, discharge its latent heat of vaporization after, become condensate water and returned to boiler.What guarantee steam turbine cold junction effect is that the condenser of flowing through absorbs the recirculated cooling water of the exhaust steam latent heat of condensation, dispels the heat by adopting cooling tower.Though some power plant adopts the low-vacuum-operating mode to come to heating user heat supply with recirculated cooling water, be to count seldom, and heating load is little, most power plant still are discharged into this part heat in the natural environment.
According to statistics, the temperature at discharging condensate of circulating cooling water of power plant is usually above 8～13 ℃ of environment water temperatures, can utilize water source heat pump units to reclaim this part heat and be used for complementary heating or direct heating, improve hot machine integrated heat efficiency, reduce power plant's coal consumption, the heat affecting of environment is reduced, and reduce the evaporation loss of recirculated water.
Utilize technology with this novel relevant sewage heat energy, municipal sewage is mainly derived from sanitary sewage and trade effluent, discharge by concentrating, so treating capacity is big, the water source stable.Sewage is cool in summer and warm in winter, is subjected to climatic effect less, and annual water temperature amplitude of variation is less, and temperature is suitable, and winter temperature is the thermal source that enriches more than 10-18 ℃; 20-28 ℃ of summer is the desirable low-temperature receiver of air-conditioning.
With this novel relevant surface water heat energy utilization technology, surface water resources, winter, the temperature of the coldest period was mostly between 2-5 ℃, and summer is generally about 20～30 ℃.Because the surface water temperature is subjected to climatic influences big than sewage, similar with air source heat pump, the heating load of heat pump is more little when environment temperature is low more, and the coefficient of performance of heat pump also can reduce.
More than single water source all might can't satisfy the problem of source pump winter, efficient operation in summer on water temperature, the water yield.Effectively the above multiple hydro-thermal energy of comprehensive utilization is this novel subject matter that will solve.
The utility model content
For this purpose, the utility model proposes a kind of large-scale efficient multi-water resources heat pump, can satisfy efficient, the energy-saving run of water resource heat pump heating and refrigerating system fully in conjunction with residual heat of electric power plant and peripheral sewage or surface water resources in conjunction with power plant.
For achieving the above object, the technical scheme that the utility model provides, a kind of large-scale efficient multi-water resources heat pump in conjunction with power plant comprises:
Heat pump comprises the evaporimeter, compressor, condenser and the expansion valve that connect successively; The circulating cooling water of power plant system connects heat and power system and is connected one with described evaporimeter circulation; Sewage or earth surface water source water intake system are connected one with described condenser circulation; Compressor drives electrical connection by the turbine electric power of heat and power system, the evaporimeter input connects the condenser of heat and power system by first valve, be connected priming reservoir in the heat and power system cooling tower, priming reservoir connection condenser by second valve and heat pump with the thermal source pump successively.
Above-mentioned heat and power system, comprise the boiler, steam turbine, condenser, feed pump and the heater that connect successively, and supporting electric power plant circulating water cooling tower, priming reservoir and water circulating pump, condenser output connects cooling tower, and water circulating pump is connected between priming reservoir and the condenser.
This novel large-scale efficient multi-water resources heat pump that provides in conjunction with power plant, switching by a plurality of valves, utilize circulating cooling water of power plant as thermal source in the winter time, utilize summer power plant's periphery sewage or earth surface water source (river, lake water, seawater etc.), to satisfy the requirement of source pump to the water source temperature as low-temperature receiver.Improve the heat pump operational efficiency, reduce and pollute.
Below in conjunction with accompanying drawing the utility model is described in detail.
Description of drawings
Fig. 1 is the structured flowchart of the utility model in conjunction with the large-scale efficient multi-water resources heat pump of power plant.
Fig. 2 is the large-scale efficient multi-water resources heat pump structural representation of the utility model in conjunction with power plant.
Fig. 3 is the large-scale efficient multi-water resources heat pump Winter heat supply operation principle schematic diagram of the utility model in conjunction with power plant.
Fig. 4 is the utility model in conjunction with the large-scale efficient multi-water resources heat pump of the power plant basic principle schematic of freezing summer.
Among the figure: the 1-boiler; The 2-steam turbine; The 3-generator; The 4-condenser; The 5-feed pump; The 6-heater; The 7-cooling tower; The 8-priming reservoir; The 9-water circulating pump; 10-heat pump thermal source pump; The 11-evaporimeter; The 12-compressor; The 13-condenser; The 14-expansion valve; The 15-air conditioning terminal; 16-heat pump water source heat exchanger; The 17-pump of fetching water; 18-sewage or surface water trunk canal; The 20-heat pump; The 21-recirculating cooling water system; The 22-heat and power system; 23-sewage or earth surface water source water intake system.
The specific embodiment
For understanding the utility model scheme, referring to accompanying drawing.Fig. 1, shown in Figure 2, heat pump 20 comprises the evaporimeter 11, compressor 12, condenser 13 and the expansion valve 14 that connect successively; Circulating cooling water of power plant system 21 connects heat and power system 22 and is connected one with described evaporimeter 11 circulations; Sewage or earth surface water source water intake system 23 are connected one with described condenser 13 circulations; Compressor 12 drives electrical connection by the turbine electric power of heat and power system 22, evaporimeter 11 inputs connect the recirculating cooling water system that the condenser 4 of heat and power system 22 comes out by first valve, are connected priming reservoir 8 in the heat and power system cooling tower by second valve and heat pump with thermal source pump 10 successively.
Heat and power system 22 comprises boiler 1, steam turbine 2, condenser 4, feed pump 5 and the heater 6 that connects successively, and supporting electric power plant circulating water cooling tower 7, priming reservoir 8 and water circulating pump 9, condenser output connects cooling tower, and water circulating pump is connected between priming reservoir and the condenser.
Because water source heat pump air-conditioner device 15 optimal energy-saving run temperature are 15 ℃～35 ℃, in service in the winter time, adopt the supplemental heat source of power plant's circulation cooling backwater as heat pump, for making full use of a plurality of water sources, adopt form that eight valves switch to finish the refrigeration of multi-water resources heat pump type air conditioning system, heat switching, as shown in Figure 2.
Winter: valve A, B, C, D open, and valve E, F, G, H close, high temperature and high pressure steam driving steam turbine 2 actings that boiler 1 produces, pushing generator 3 generatings, compressor 12 operations of the part driven by power heat pump of sending out.After circulating cooling water of power plant came out from condenser 4, a part was utilized by heat pump, removes the cold-producing medium of heating fumigators 11, sends into priming reservoir 8 after the cooling, enters condenser 4 again; Another part enters priming reservoir 8 after delivering to cooling tower 7 coolings, enters condenser 4 again.The low-temp low-pressure liquid refrigerant 11 is heated and gasifies in evaporimeter, compressor 12 extracts the refrigerant gas after vaporizing in the evaporimeter 11 and is compressed to condenser then, the gaseous refrigerant of HTHP is cooled in condenser 13 and condenses into liquid, become the high-temperature high-pressure liquid cryogen, send air conditioning terminal 15 to.Become the low-temp low-pressure liquid refrigerant through expansion valve 14 throttlings again, so finish a heat supply circulation, as shown in Figure 3.
Summer: valve E, F, G, H open, and valve A, B, C, D close, high temperature and high pressure steam driving steam turbine 2 actings that boiler 1 produces, pushing generator 3 generatings, the compressor operating of the part driven by power heat pump of sending out.Heat pump and low-temperature receiver hydromining use the mode of indirect utilization (when source quality is better, can directly enter source pump by simple process), to carry out purified treatment earlier, and utilize water circulating pump 17 to send heat exchanger 16 by conveyance conduit with sewage or surface water, by recirculated water being delivered in the condenser 13 of source pump after the heat extraction, sewage or surface water behind the absorption heat then directly enter in sewage or the surface water trunk canal 18 by the water-break pipeline again.The gaseous refrigerant of HTHP is cooled in condenser 13 and condenses into liquid, become the high-temperature high-pressure liquid cryogen, dam into the low-temp low-pressure liquid refrigerant through expansion valve 14 again, the low-temp low-pressure liquid refrigerant absorbs the heat and the gasification of air conditioning terminal 15 in 11 li in evaporimeter, compressor extracts the refrigerant gas after vaporizing in the evaporimeter and is compressed to condenser then, so finish a kind of refrigeration cycle, as shown in Figure 4.
Station boiler, steam turbine, condenser, feed pump and heater are formed, supporting electric power plant circulating water cooling tower, priming reservoir and cooling water pump; The source pump that evaporimeter, condenser, compressor and expansion valve are formed; The water source heat pump system of forming by source pump, source water and indoor end.Its low level water is come from power plant's cooling circulating water, comes certainly in the sewage resource or the surface water resources of power plant's periphery.The compound mode at multichannel water source has that stock number is big, temperature stabilization, help advantage such as environmental protection.Utilize circulating cooling water of power plant waste heat Winter heat supply by water source heat pump technology, utilize spontaneous electric power, reduce under the situation of hot driving, enlarged the heat capacity of power plant; Utilize the sewage of power plant's periphery or surface water resources to freeze summer by water source heat pump technology, enlarge the deliverability of heat pump.Heat pump water source water is heat absorption or heat extraction just, can not produce any influence to the water yield and water quality.
Claims (2)
1. large-scale efficient multi-water resources heat pump in conjunction with power plant, it is characterized in that: it comprises, heat pump comprises the evaporimeter, compressor, condenser and the expansion valve that connect successively; The circulating cooling water of power plant system connects heat and power system and is connected one with described evaporimeter circulation; Sewage or earth surface water source water intake system are connected one with described condenser circulation; Described compressor drives electrical connection by the turbine electric power of heat and power system; Described evaporimeter input connects the condenser of heat and power system by first valve, is connected priming reservoir in the heat and power system cooling tower, priming reservoir connection condenser by second valve and heat pump with the thermal source pump successively.
2. large-scale efficient multi-water resources heat pump according to claim 1, it is characterized in that: described heat and power system, comprise the boiler, steam turbine, condenser, feed pump and the heater that connect successively, and supporting electric power plant circulating water cooling tower, priming reservoir and water circulating pump, condenser output connects cooling tower, and water circulating pump is connected between priming reservoir and the condenser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202795489U CN201561606U (en) | 2009-11-06 | 2009-11-06 | Large high-efficiency multi-water-source heat pump system cooperated with power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202795489U CN201561606U (en) | 2009-11-06 | 2009-11-06 | Large high-efficiency multi-water-source heat pump system cooperated with power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201561606U true CN201561606U (en) | 2010-08-25 |
Family
ID=42626752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202795489U Expired - Lifetime CN201561606U (en) | 2009-11-06 | 2009-11-06 | Large high-efficiency multi-water-source heat pump system cooperated with power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201561606U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102392702A (en) * | 2011-07-20 | 2012-03-28 | 李德军 | Fully-closed circulating water system for recovering latent heat of condensing generation units by utilizing air cooler |
| CN102435015A (en) * | 2011-09-29 | 2012-05-02 | 浙江工商大学 | Condensation heat recovery device in power station |
| CN103256756A (en) * | 2013-05-31 | 2013-08-21 | 锦西天然气化工有限责任公司 | Chemical industry device circulating water cooling, low-grade heat energy utilization and water saving system and method |
| CN103321697A (en) * | 2013-06-06 | 2013-09-25 | 董仲合 | Power machine with water and air serving as working mediums |
| CN103673385A (en) * | 2013-12-24 | 2014-03-26 | 天津英利新能源有限公司 | Photovoltaic industry energy-saving system |
| CN108800661A (en) * | 2018-07-10 | 2018-11-13 | 华创能源集团股份有限公司 | A kind of thermal power plant UTILIZATION OF VESIDUAL HEAT IN heat pump system and method |
| CN108895710A (en) * | 2018-08-10 | 2018-11-27 | 青岛艳阳天环保科技有限公司 | A kind of refrigeration heating system coupling gas heating function |
| CN110260435A (en) * | 2019-07-02 | 2019-09-20 | 国家电网有限公司 | Pump-up power station seepage drainage couples industrial water air-conditioning system and method |
| CN112361424A (en) * | 2020-10-30 | 2021-02-12 | 广西电网有限责任公司电力科学研究院 | Electrically-driven steam pressure-rising heat supply method suitable for electricity cogeneration unit |
| CN113758068A (en) * | 2021-08-03 | 2021-12-07 | 中国能源建设集团广东省电力设计研究院有限公司 | Air conditioning system based on circulating water of power plant and operation method thereof |
-
2009
- 2009-11-06 CN CN2009202795489U patent/CN201561606U/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102392702B (en) * | 2011-07-20 | 2014-09-03 | 李德军 | Fully-closed circulating water system for recovering latent heat of condensing generation units by utilizing air cooler |
| CN102392702A (en) * | 2011-07-20 | 2012-03-28 | 李德军 | Fully-closed circulating water system for recovering latent heat of condensing generation units by utilizing air cooler |
| CN102435015A (en) * | 2011-09-29 | 2012-05-02 | 浙江工商大学 | Condensation heat recovery device in power station |
| CN103256756A (en) * | 2013-05-31 | 2013-08-21 | 锦西天然气化工有限责任公司 | Chemical industry device circulating water cooling, low-grade heat energy utilization and water saving system and method |
| CN103321697B (en) * | 2013-06-06 | 2015-06-17 | 董仲合 | Power machine with water and air serving as working mediums |
| CN103321697A (en) * | 2013-06-06 | 2013-09-25 | 董仲合 | Power machine with water and air serving as working mediums |
| CN103673385A (en) * | 2013-12-24 | 2014-03-26 | 天津英利新能源有限公司 | Photovoltaic industry energy-saving system |
| CN108800661A (en) * | 2018-07-10 | 2018-11-13 | 华创能源集团股份有限公司 | A kind of thermal power plant UTILIZATION OF VESIDUAL HEAT IN heat pump system and method |
| CN108895710A (en) * | 2018-08-10 | 2018-11-27 | 青岛艳阳天环保科技有限公司 | A kind of refrigeration heating system coupling gas heating function |
| CN108895710B (en) * | 2018-08-10 | 2024-01-23 | 青岛艳阳天环保科技有限公司 | Refrigerating and heating system with coupling fuel gas heating function |
| CN110260435A (en) * | 2019-07-02 | 2019-09-20 | 国家电网有限公司 | Pump-up power station seepage drainage couples industrial water air-conditioning system and method |
| CN112361424A (en) * | 2020-10-30 | 2021-02-12 | 广西电网有限责任公司电力科学研究院 | Electrically-driven steam pressure-rising heat supply method suitable for electricity cogeneration unit |
| CN113758068A (en) * | 2021-08-03 | 2021-12-07 | 中国能源建设集团广东省电力设计研究院有限公司 | Air conditioning system based on circulating water of power plant and operation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201561606U (en) | Large high-efficiency multi-water-source heat pump system cooperated with power plant | |
| CN103307803B (en) | Cold and hot water supply device by compositely utilizing energy | |
| CN206487517U (en) | A kind of heating system of waste heat recovery | |
| CN106839513A (en) | Electric power plant circulating water residual heat pump utilizes the energy conserving system combined with natural water accumulation of heat | |
| CN103075841A (en) | Novel low-temperature combined cooling, heating and power (CCHP) system based on heat pump | |
| CN101876496B (en) | Double-evaporator direct-fired absorption refrigerating and heating unit | |
| CN108800651B (en) | Thermal power air cooling condenser safety degree summer device based on day and night electric power peak regulation | |
| CN201032233Y (en) | Cold and heat storage type ground source heat pump central air conditioner | |
| CN201672587U (en) | Heating system of heat pump coupled heat-power cogeneration | |
| CN103471287A (en) | Renewable energy source complementary combined cooling heating and power system | |
| CN114033508B (en) | Energy storage type cogeneration system and control method | |
| CN201628301U (en) | Thermal power plant turbine-boiler combined depth energy-saving system | |
| CN101968236A (en) | System for realizing combined heating based on extraction steam for heating and lithium bromide unit | |
| CN110878957A (en) | Urban heat energy comprehensive utilization system and method | |
| CN201924975U (en) | Water makeup device of waste heat boiler for lithium bromide refrigerating machine with heat pump recycling | |
| CN203454466U (en) | Combined cooling-heating power cogeneration system capable of realizing complementation of renewable energy sources | |
| CN211116438U (en) | Power generation and refrigeration combined cycle system based on ocean temperature difference energy | |
| CN102116529A (en) | Heat pump hot water system for carbon dioxide compressor | |
| CN201779751U (en) | Heating system combining lithium bromide machine set with heating steam bleeding | |
| CN207065925U (en) | Cogeneration of heat and power residual heat integrative utilizes energy conserving system | |
| CN201429169Y (en) | Solar energy type seawater source heat pump system | |
| CN202885331U (en) | Absorption refrigeration system with internally installed generating device | |
| CN211316299U (en) | Urban heat energy comprehensive utilization system | |
| CN211372824U (en) | Air energy heat pump heating device capable of utilizing heat of PVT photovoltaic module | |
| CN209840253U (en) | Heat pump system for power plant waste heat cold and hot coupling utilization |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100825 |
|
| CX01 | Expiry of patent term |