CN204373118U - The heating and air-conditioning system that thermal power plant electric heat pump and steam-operating heat pump combine - Google Patents
The heating and air-conditioning system that thermal power plant electric heat pump and steam-operating heat pump combine Download PDFInfo
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- CN204373118U CN204373118U CN201420730584.3U CN201420730584U CN204373118U CN 204373118 U CN204373118 U CN 204373118U CN 201420730584 U CN201420730584 U CN 201420730584U CN 204373118 U CN204373118 U CN 204373118U
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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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Abstract
The utility model discloses the heating and air-conditioning system of a kind of thermal power plant electric heat pump and the combination of steam-operating heat pump, solve the problem that existing high temperature type vapor compression cycling cold water heat pump unit heating air-conditioning system can not utilize residual heat of electric power plant to greatest extent.Utilize the high temperature modification steam compression cycle hydro-thermal pump assembly of cooling tower waste heat and electric driven compression circulating water heating pump assembly to be integrated into the integral system that power plant provides Cooling and Heat Source, wherein high-temperature steam compression heat pump provides Heating Season concentrated supply of heating in the city and plant area's heating; Electric driven compression heat pump provides plant area's air conditioner cold and hot water and heating domestic hot water, simultaneously due to the unstability that domestic hot-water uses, waste heat can be heated power plant condensation water.This Cooling and Heat Source integral system, waste heat when domestic hot-water can not be used utilizes completely, simultaneously by all kinds of for the plant area cold and heat source system different reasonable disposition form of source pump according to heating medium parameter, it is the integrated Cooling and Heat Source in very promising thermal power plant.
Description
Technical field
The utility model relates to a kind of bootstrap system of thermal power plant, and particularly a kind of electric driven compression circulating water heating pump assembly in thermal power plant and high temperature modification steam compression cycle hydro-thermal pump assembly of utilizing carries out the system effectively utilized to residual heat of electric power plant.
Background technology
At present, the existing high temperature type vapor compression cycling cold water heat pump unit heating air-conditioning system of thermal power plant subsidiary engine cooling tower waste heat that utilizes utilizes Controlling Auxiliaries in Power Plants cooling tower waste heat to provide Cooling and Heat Source for plant area's heating, air-conditioning, hot water supply system.The heating medium parameter that plant area's heating in this system and plant area's air conditioner user heat is 110/70 DEG C, and the rational temperature of air-conditioning heating water supply and return water temperature is 50/45 DEG C, existing heating medium parameter can not economical rationality meet air conditioning terminal fan coil.Due to the unstability that plant area domestic hot-water uses, result in residual heat of electric power plant can not utilize to greatest extent, causes the insufficient of UTILIZATION OF VESIDUAL HEAT IN.
Summary of the invention
The utility model provides the heating and air-conditioning system of a kind of thermal power plant electric heat pump and the combination of steam-operating heat pump, solves the technical problem that existing high temperature type vapor compression cycling cold water heat pump unit heating air-conditioning system can not utilize residual heat of electric power plant to greatest extent.
The utility model solves above technical problem by the following technical programs:
The heating and air-conditioning system that a kind of thermal power plant electric heat pump and steam-operating heat pump combine, comprise cooling tower, high-temperature steam type compression cycle hydro-thermal pump assembly and electric driven compression circulating water heating pump assembly, high-temperature steam type compression cycle hydro-thermal pump assembly is provided with and drives steam input pipe and drain pipe, electric driven compression circulating water heating pump assembly is provided with electric driver, thermal power plant subsidiary engine recirculated water return pipe is communicated with the main-inlet of first threeway, the right branch mouth of first threeway is communicated with the water inlet of subsidiary engine cooling tower by a pipeline, the delivery port of subsidiary engine cooling tower is communicated with the right branch mouth of second threeway, the main-inlet of second threeway is connected with thermal power plant subsidiary engine recirculated water feed pipe, the left branch mouth of first threeway is communicated with the main-inlet of the 3rd threeway, the inferior division mouth of the 3rd threeway is communicated with the evaporimeter water inlet of electric driven compression circulating water heating pump assembly by a pipeline, the evaporimeter delivery port of electric driven compression circulating water heating pump assembly is communicated with the inferior division mouth of the 4th threeway by a pipeline, the main water inlet of the 4th threeway is communicated with the left branch mouth of second threeway, top set's mouth of the 4th threeway is communicated with the evaporimeter delivery port of high-temperature steam type compression cycle hydro-thermal pump assembly by a pipeline, the evaporimeter water inlet of high-temperature steam type compression cycle hydro-thermal pump assembly is communicated with top set's mouth of the 3rd threeway by a pipeline, the leaving condenser water mouth of high-temperature steam type compression cycle hydro-thermal pump assembly is connected with municipal heating systems feed pipe, the condenser water inlet of high-temperature steam type compression cycle hydro-thermal pump assembly is connected with municipal heating systems return pipe, first leaving condenser water mouth of electric driven compression circulating water heating pump assembly is connected with domestic hot-water's feed pipe, first condenser water inlet of electric driven compression circulating water heating pump assembly is connected with domestic hot-water's return pipe, second leaving condenser water mouth of electric driven compression circulating water heating pump assembly is connected with air conditioner cold and hot water feed pipe, second condenser water inlet of electric driven compression circulating water heating pump assembly is connected with air conditioner cold and hot water return pipe.
Municipal heating systems return pipe is parallel with plant area's heating return pipe, municipal heating systems feed pipe is parallel with plant area's heating feed pipe.
Utilize the high temperature modification steam compression cycle hydro-thermal pump assembly of cooling tower waste heat and electric driven compression circulating water heating pump assembly to be integrated into the integral system that power plant provides Cooling and Heat Source, wherein high-temperature steam compression heat pump provides Heating Season concentrated supply of heating in the city and plant area's heating; Electric driven compression heat pump provides plant area's air conditioner cold and hot water and heating domestic hot water, simultaneously due to the unstability that domestic hot-water uses, waste heat can be heated power plant condensation water.This Cooling and Heat Source integral system, can utilize completely by waste heat when just domestic hot-water does not use, simultaneously by all kinds of for the plant area cold and heat source system different reasonable disposition form of source pump according to heating medium parameter, it is the integrated Cooling and Heat Source in very promising thermal power plant.
Utilize high temperature modification steam compression cycle hydro-thermal pump assembly and electric driven compression circulating water heating pump assembly reasonable integration on the basis realizing original function of subsidiary engine cooling tower waste heat, solve hot water temperature during original system plant area air-conditioning heating; Waste heat amount when domestic hot-water does not use by the whole year simultaneously removes heating power plant condensation water, solves the waste of original system waste heat when domestic hot-water does not use.Present system system is more reasonable, not only increases the COP value of source pump, and improve residual heat of electric power plant utilization rate, be power plant's saving amount of drawing gas.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in detail:
The heating and air-conditioning system that a kind of thermal power plant electric heat pump and steam-operating heat pump combine, comprise cooling tower 3, high-temperature steam type compression cycle hydro-thermal pump assembly 11 and electric driven compression circulating water heating pump assembly 7, high-temperature steam type compression cycle hydro-thermal pump assembly 11 is provided with and drives steam input pipe 14 and drain pipe 15, electric driven compression circulating water heating pump assembly 7 is provided with electric driver 26, thermal power plant subsidiary engine recirculated water return pipe 1 is communicated with the main-inlet of first threeway 2, the right branch mouth of first threeway 2 is communicated with the water inlet of subsidiary engine cooling tower 3 by a pipeline, the delivery port of subsidiary engine cooling tower 3 is communicated with the right branch mouth of second threeway 4, the main-inlet of second threeway 4 is connected with thermal power plant subsidiary engine recirculated water feed pipe 5, the left branch mouth of first threeway 2 is communicated with the main-inlet of the 3rd threeway 6, the inferior division mouth of the 3rd threeway 6 is communicated with by the evaporimeter water inlet 8 of a pipeline with electric driven compression circulating water heating pump assembly 7, the evaporimeter delivery port 9 of electric driven compression circulating water heating pump assembly 7 is communicated with the inferior division mouth of the 4th threeway 10 by a pipeline, the main water inlet of the 4th threeway 10 is communicated with the left branch mouth of second threeway 4, top set's mouth of the 4th threeway 10 is communicated with by the evaporimeter delivery port 13 of a pipeline with high-temperature steam type compression cycle hydro-thermal pump assembly 11,
The evaporimeter water inlet 12 of high-temperature steam type compression cycle hydro-thermal pump assembly 11 is communicated with top set's mouth of the 3rd threeway 6 by a pipeline, the leaving condenser water mouth 16 of high-temperature steam type compression cycle hydro-thermal pump assembly 11 is connected with municipal heating systems feed pipe 18, the condenser water inlet 17 of high-temperature steam type compression cycle hydro-thermal pump assembly 11 is connected with municipal heating systems return pipe 19
First leaving condenser water mouth 22 of electric driven compression circulating water heating pump assembly 7 is connected with domestic hot-water's feed pipe 27, first condenser water inlet 23 of electric driven compression circulating water heating pump assembly 7 is connected with domestic hot-water's return pipe 28, second leaving condenser water mouth 24 of electric driven compression circulating water heating pump assembly 7 is connected with air conditioner cold and hot water feed pipe 29, the second condenser water inlet 25 of electric driven compression circulating water heating pump assembly 7 is connected with air conditioner cold and hot water return pipe 30.
Municipal heating systems return pipe 19 is parallel with plant area's heating return pipe 21, municipal heating systems feed pipe 18 is parallel with plant area's heating feed pipe 20.
High temperature modification steam compression cycle hydro-thermal pump assembly, the steam of 0.6Mpa-0.8Mpa is utilized to drive, municipal heating systems backwater and plant area's heating return water temperature are risen to 120 DEG C by 60 DEG C, for concentrated supply of heating in the city and plant area's heating by the waste heat (25 DEG C of recirculated waters are down to 20 DEG C) extracting cooling tower.COP >=5.5 of high temperature modification steam compression cycle hydro-thermal pump assembly.
Electric driven compression circulating water heating pump assembly, utilizes 380V/50Hz electric energy to drive, and refrigeration season provides 7/12 DEG C of chilled water for air conditioner user, and this source pump can also go heating 10 DEG C of domestic hot-waters to 50 DEG C the condensing units of air-conditioned room simultaneously; Heating Season provides 45/50 DEG C of hot water by the waste heat extracting cooling tower for air conditioner user, and heating domestic hot water enters storage tank and uses with standby user simultaneously; Non-brake method heats the waste heat extracting cooling tower season and goes heating 10 DEG C of domestic hot-waters to 50 DEG C.The annual unstability due to domestic hot-water's use, removes utilize after-heat to heating power plant condensation water.COP >=6 of electric driven compression circulating water source pump.
Claims (2)
1. the heating and air-conditioning system of a thermal power plant electric heat pump and the combination of steam-operating heat pump, comprise cooling tower (3), high-temperature steam type compression cycle hydro-thermal pump assembly (11) and electric driven compression circulating water heating pump assembly (7), high-temperature steam type compression cycle hydro-thermal pump assembly (11) is provided with and drives steam input pipe (14) and drain pipe (15), electric driven compression circulating water heating pump assembly (7) is provided with electric driver (26), it is characterized in that, thermal power plant subsidiary engine recirculated water return pipe (1) is communicated with the main-inlet of first threeway (2), the right branch mouth of first threeway (2) is communicated with by the water inlet of pipeline with subsidiary engine cooling tower (3), the delivery port of subsidiary engine cooling tower (3) is communicated with the right branch mouth of second threeway (4), the main-inlet of second threeway (4) is connected with thermal power plant subsidiary engine recirculated water feed pipe (5), the left branch mouth of first threeway (2) is communicated with the main-inlet of the 3rd threeway (6), the inferior division mouth of the 3rd threeway (6) is communicated with the evaporimeter water inlet (8) of electric driven compression circulating water heating pump assembly (7) by pipeline, the evaporimeter delivery port (9) of electric driven compression circulating water heating pump assembly (7) is communicated with by the inferior division mouth of pipeline with the 4th threeway (10), the main water inlet of the 4th threeway (10) is communicated with the left branch mouth of second threeway (4), top set's mouth of the 4th threeway (10) is communicated with the evaporimeter delivery port (13) of high-temperature steam type compression cycle hydro-thermal pump assembly (11) by pipeline, the evaporimeter water inlet (12) of high-temperature steam type compression cycle hydro-thermal pump assembly (11) is communicated with by top set's mouth of pipeline with the 3rd threeway (6), the leaving condenser water mouth (16) of high-temperature steam type compression cycle hydro-thermal pump assembly (11) is connected with municipal heating systems feed pipe (18), the condenser water inlet (17) of high-temperature steam type compression cycle hydro-thermal pump assembly (11) is connected with municipal heating systems return pipe (19), first leaving condenser water mouth (22) of electric driven compression circulating water heating pump assembly (7) is connected with domestic hot-water's feed pipe (27), first condenser water inlet (23) of electric driven compression circulating water heating pump assembly (7) is connected with domestic hot-water's return pipe (28), second leaving condenser water mouth (24) of electric driven compression circulating water heating pump assembly (7) is connected with air conditioner cold and hot water feed pipe (29), second condenser water inlet (25) of electric driven compression circulating water heating pump assembly (7) is connected with air conditioner cold and hot water return pipe (30).
2. the heating and air-conditioning system of a kind of thermal power plant electric heat pump according to claim 1 and the combination of steam-operating heat pump, it is characterized in that, municipal heating systems return pipe (19) is parallel with plant area's heating return pipe (21), municipal heating systems feed pipe (18) is parallel with plant area's heating feed pipe (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420730584.3U CN204373118U (en) | 2014-11-30 | 2014-11-30 | The heating and air-conditioning system that thermal power plant electric heat pump and steam-operating heat pump combine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420730584.3U CN204373118U (en) | 2014-11-30 | 2014-11-30 | The heating and air-conditioning system that thermal power plant electric heat pump and steam-operating heat pump combine |
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| CN204373118U true CN204373118U (en) | 2015-06-03 |
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| CN201420730584.3U Active CN204373118U (en) | 2014-11-30 | 2014-11-30 | The heating and air-conditioning system that thermal power plant electric heat pump and steam-operating heat pump combine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105757760A (en) * | 2016-04-29 | 2016-07-13 | 大唐东北电力试验研究所有限公司 | Heat supply network circulating water system applied in various combined driving modes |
| CN112178980A (en) * | 2020-09-29 | 2021-01-05 | 国电龙源节能技术有限公司上海分公司 | Waste heat utilization system and method based on electrically driven water source heat pump unit |
-
2014
- 2014-11-30 CN CN201420730584.3U patent/CN204373118U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105757760A (en) * | 2016-04-29 | 2016-07-13 | 大唐东北电力试验研究所有限公司 | Heat supply network circulating water system applied in various combined driving modes |
| CN112178980A (en) * | 2020-09-29 | 2021-01-05 | 国电龙源节能技术有限公司上海分公司 | Waste heat utilization system and method based on electrically driven water source heat pump unit |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHINA ENERGY ENGINEERING GROUP SHANXI ELECTRIC POW Free format text: FORMER NAME: CEEC SHANXI ELECTRIC POWER EXPLORATION + DESIGN INSTITUTE |
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| CP01 | Change in the name or title of a patent holder |
Address after: 030001 Yingze street, Shanxi, No. 255, No. Patentee after: Co., Ltd of Chinese energy construction group Shanxi Electric Power Exploration & Design Institute Address before: 030001 Yingze street, Shanxi, No. 255, No. Patentee before: CEEC Shanxi Electric Power Exploration & Design Institute |