CN102287965B - Heating and air-conditioning system for high-temperature steam compressing and circulating cold water heat pump set - Google Patents
Heating and air-conditioning system for high-temperature steam compressing and circulating cold water heat pump set Download PDFInfo
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- CN102287965B CN102287965B CN 201110164117 CN201110164117A CN102287965B CN 102287965 B CN102287965 B CN 102287965B CN 201110164117 CN201110164117 CN 201110164117 CN 201110164117 A CN201110164117 A CN 201110164117A CN 102287965 B CN102287965 B CN 102287965B
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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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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
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- Y02B30/18—Domestic hot-water supply systems using recuperated or waste heat
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Abstract
The invention discloses a heating and air-conditioning system for a high-temperature steam compressing and circulating cold water heat pump set and overcomes the defects of large occupied floor area, complicated structure, large steam and electricity consumption in the conventional system. The heating and air-conditioning system for the high-temperature steam compressing and circulating cold water heat pump set comprises the steam compressing and circulating cold water heat pump set (4), a water collector (8) and a water divider (15), wherein the steam inlet of the steam compressing and circulating cold water heat pump set (4) is communicated with a steam pipeline (1) through a steam regulating valve (3); a heating and air-conditioning water supply port on the steam compressing and circulating cold water heat pump set (4) is communicated with the water divider (15) through a heating and air-conditioning water supply pipeline (14); and the heating and air-conditioning water returning port of the steam compressing and circulating cold water heat pump set (4) is communicated with a water outlet (9) of the water collector (8) through a heating and air-conditioning water returning pipeline (13). By utilizing the afterheat of an auxiliary machine cooling tower in a fuel electric plant, the heating and air-conditioning system for the high-temperature steam compressing and circulating cold water heat pump set realizes three functions integrally, namely, the functions of a winter heating station, a year-round domestic water heating station and a summer air-conditioning and refrigerating station.
Description
Technical field
The present invention relates to the high temperature type vapor compression cycling cold water heat pump unit heating air-conditioning system that a kind of thermal power plant utilizes subsidiary engine cooling tower waste heat, that thermal power plant central air conditioning refrigeration system and heating system and hot water supply system are combined, utilize steam as driving, utilize winter subsidiary engine cooling tower waste heat that heating, air conditioning hot and domestic hot-water are provided, utilize summer steam drive to produce chilled water for air-conditioning system, the waste heat of discharge domestic hot-water supply after source pump is warming up to 55 ℃ uses.
Background technology
At present, the thermal power plant winter heating system in the north mainly utilizes 0.4-0.5MPa steam to do heat medium, utilizes shell-and-tube steam and water heat exchanger that healed water is heated to 100 ℃ for plant area's heating system by 60 ℃; The hot water supply system mainly utilizes 0.4-0.5MPa steam to do heat medium, utilizes the type positive displacement steam water-to-water heat exchanger that healed water is heated to 55 ℃ for the hot water supply system of plant area by 10 ℃; The summer air-conditioning refrigeration relies on electrical chillers to provide chilled water for air-conditioning system.These devices exist system's floor space large, and complex structure, steam consumption and power consumption be large defective all.
Summary of the invention
The invention provides a kind of high temperature type vapor compression cycling cold water heat pump unit heating air-conditioning system, to have solved the existing system floor space larger, and complex structure, steam consumption and power consumption be large defective all.
The present invention is by the above problem of following solution:
High temperature type vapor compression cycling cold water heat pump unit heating air-conditioning system, comprise steam compression cycle cold water source pump, water collector and water knockout drum, steam inlet on the steam compression cycle cold water source pump is communicated with jet chimney by steam control valve, condensate water outlet on the steam compression cycle cold water source pump is communicated with condensate line by drain valve, heating on the steam compression cycle cold water source pump and air-conditioning feed water inlet are communicated with water knockout drum by the heating air conditioning supply channel, heating on the steam compression cycle cold water source pump and air-conditioning water return outlet are communicated with water collector delivery port on the water collector by heating and air-conditioning water return pipeline, remaining hot water water inlet on the steam compression cycle cold water source pump is successively by the remaining hot water butterfly valve, remaining hot water electric control valve and remaining hot water electric butterfly valve are communicated with the subsidiary engine recirculated water water return pipeline of steam power plant, remaining hot water delivery port on the steam compression cycle cold water source pump is communicated with the subsidiary engine cooling tower by the remaining hot water outlet pipeline, the delivery port of subsidiary engine cooling tower is communicated with subsidiary engine recirculated water water supply line by subsidiary engine cooling tower water outlet electric butterfly valve, between the delivery port of subsidiary engine cooling tower and the remaining hot water water inlet on the steam compression cycle cold water source pump, be provided with cooling water pipeline, be provided with cooling water electric control valve and cooling water butterfly valve at cooling water pipeline; Domestic hot-water's water inlet on the steam compression cycle cold water source pump is communicated with the domestic water water pipe, and the domestic hot-water's delivery port on the steam compression cycle cold water source pump is communicated with the domestic water supply line.
The domestic water supply line is communicated with domestic hot-water's storage tank, and the delivery port of domestic hot-water's storage tank is communicated with the resident living hot water line by domestic hot-water's feed pump and second domestic hot-water's feed pump in parallel; The domestic water water pipe is communicated with life inlet pipeline by the first variable frequency pump and the second variable frequency pump in parallel, and life inlet pipeline is communicated with domestic hot-water's microcirculation pipeline and tap water pipe line respectively.
Be respectively arranged with filter and circulating pump in heating and air-conditioning water return pipeline, circulating pump is comprised of the first circulating pump and second circulating pump of parallel connection.
Water inlet place at filter is provided with the demineralized water water pipe, and the demineralized water water inlet pipe is communicated with softening water tank, and the delivery port of softening water tank is communicated with the demineralized water water pipe by the first softening water pump in parallel and the second softening water pump.
In the second steam compression cycle cold water source pump and the steam compression cycle cold water source pump connecting system in parallel.
The invention has the beneficial effects as follows and utilized steam power plant's subsidiary engine cooling tower waste heat to make high temperature modification steam compression cycle cold water source pump a machine three-use, realize winter heating heating, annual life hot water heating, the function of summer air-conditioning refrigeration.
Description of drawings
Fig. 1 is structural representation of the present invention
Fig. 2 is the marginal data among Fig. 1.
Specific embodiment
High temperature type vapor compression cycling cold water heat pump unit heating air-conditioning system, comprise steam compression cycle cold water source pump 4, water collector 8 and water knockout drum 15, steam inlet on the steam compression cycle cold water source pump 4 is communicated with jet chimney 1 by steam control valve 3, condensate water outlet on the steam compression cycle cold water source pump 4 is communicated with condensate line 6 by drain valve 7, heating on the steam compression cycle cold water source pump 4 and air-conditioning feed water inlet are communicated with water knockout drum 15 by heating air conditioning supply channel 14, heating on the steam compression cycle cold water source pump 4 and air-conditioning water return outlet are communicated with water collector delivery port 9 on the water collector 8 by heating and air-conditioning water return pipeline 13, remaining hot water water inlet on the steam compression cycle cold water source pump 4 is successively by remaining hot water butterfly valve 24, remaining hot water electric control valve 23 and remaining hot water electric butterfly valve 22 are communicated with the subsidiary engine recirculated water water return pipeline 21 of steam power plant, remaining hot water delivery port on the steam compression cycle cold water source pump 4 is communicated with subsidiary engine cooling tower 30 by remaining hot water outlet pipeline 25, the delivery port 31 of subsidiary engine cooling tower 30 is communicated with subsidiary engine recirculated water water supply line 33 by subsidiary engine cooling tower water outlet electric butterfly valve 32, between the delivery port 31 of subsidiary engine cooling tower 30 and the remaining hot water water inlet on the steam compression cycle cold water source pump 4, be provided with cooling water pipeline 27, be provided with cooling water electric control valve 28 and cooling water butterfly valve 29 at cooling water pipeline 27; Domestic hot-water's water inlet on the steam compression cycle cold water source pump 4 is communicated with domestic water water pipe 39, and the domestic hot-water's delivery port on the steam compression cycle cold water source pump 4 is communicated with domestic water supply line 40.
Domestic water supply line 40 is communicated with domestic hot-water's storage tank 41, and the delivery port 42 of domestic hot-water's storage tank 41 is communicated with resident living hot water line 45 by domestic hot-water's feed pump 43 and second domestic hot-water's feed pump 44 in parallel; Domestic water water pipe 39 is communicated with life inlet pipeline 36 by the first variable frequency pump 37 and the second variable frequency pump 38 in parallel, and life inlet pipeline 36 is communicated with domestic hot-water's microcirculation pipeline 35 and tap water pipe line 34 respectively.
Be respectively arranged with filter 10 and circulating pump in heating and air-conditioning water return pipeline 13, circulating pump is comprised of the first circulating pump 11 and second circulating pump 12 of parallel connection.
Water inlet place at filter 10 is provided with demineralized water water pipe 20, and demineralized water water inlet pipe 16 is communicated with softening water tank 17, and the delivery port of softening water tank 17 is communicated with demineralized water water pipe 20 by the first softening water pump 18 in parallel and the second softening water pump 19.
In the second steam compression cycle cold water source pump 5 and steam compression cycle cold water source pump 4 connecting systems in parallel, the second steam compression cycle cold water source pump 5 is communicated with jet chimney 1 by the second steam control valve 2.
High temperature modification steam compression cycle cold water source pump is source pump, and the COP of unit 〉=4 utilize the steam of 0.4Mpa-0.5Mpa to do driving, fully extraction and application the waste heat of Auxiliary Machinery of Power Plant cooling-tower circulating water.
The jet chimney 1 of drawing from power plant's heat engine subsidiary engine header enters respectively high temperature modification steam compression cycle cold water source pump 4,5 through steam control valve, the drive train acting, and after the steam acting condensation, the solidifying waterpipe 6 of warp and drain valve 7 are got back to the engineering drain tank and are utilized.
Winter: 60 ℃ heating backwater, enter respectively high temperature modification steam compression cycle cold water source pump 4,5 through water collector 8, filter 10, circulating pump 11 or 12, heating and air-conditioning return pipe 13, be heated to 100 ℃ by heating supply channel 14, water knockout drum 15 electric power supply plant heating air conditionings usefulness through unit.35 ℃ backwater in the subsidiary engine cooling tower is sent into the remaining hot water water inlet of high temperature modification both vapor compression factory circulating water source pump 4,5 through pipeline 21, remaining hot water electric butterfly valve 22, remaining hot water electric control valve 23 through subsidiary engine recirculated water backwater, send 25 ℃ water by unit remaining hot water delivery port and enter subsidiary engine cooling tower 30 by remaining hot water outlet pipeline 25 behind the unit absorbing and cooling temperature.
Summer: 12 ℃ backwater of air-conditioner circulating water system enters steam compression type circulating water source pump 4,5 through above-mentioned path, by the cold water of making 7 ℃ after the steam work done, for the Power Plants air-conditioning system.
In summer, close remaining hot water butterfly valve 24, open cooling water butterfly valve 29, sent by the delivery port 31 of subsidiary engine cooling tower 30 after the subsidiary engine water circulating pump boosts by the cooled cooling water of subsidiary engine cooling tower, behind cooling water electric control valve 28, cooling tower water outlet electric butterfly valve 32 adjust fluxes, after heating up by heat absorption, a part of cooling water inlet of sending into steam compression type circulating water source pump 4,5 through cooling water pipeline 27 sends into 30 coolings of subsidiary engine cooling tower by remaining hot water outlet pipeline 25.
Domestic hot-water's preparation system: tap water pipe line 34 and domestic hot-water's microcirculation pipeline 35 converge domestic hot-water's water inlet of sending into high temperature modification steam compression cycle cold water source pump 4,5 after boosting by variable frequency pump 37 or 38, be warming up to 55 ℃ through unit and sent by the domestic water supply line 40 on domestic hot-water's delivery port of unit, behind domestic hot-water's storage tank 41, boosted by domestic hot-water's feed pump 43 or 44 and be sent to the user by resident living hot water line 45.Domestic hot-water's preparation mainly utilizes high temperature modification steam compression cycle cold water source pump 4,5 to extract rear acquisition of remaining hot water intensification of subsidiary engine cooling tower, acquisition after the waste heat that utilizes summer air-conditioner circulating water to emit heats up winter.
Claims (5)
1. high temperature type vapor compression cycling cold water heat pump unit heating air-conditioning system, comprise steam compression cycle cold water source pump (4), water collector (8) and water knockout drum (15), steam inlet on the steam compression cycle cold water source pump (4) is communicated with jet chimney (1) by steam control valve (3), condensate water outlet on the steam compression cycle cold water source pump (4) is communicated with condensate line (6) by drain valve (7), heating on the steam compression cycle cold water source pump (4) and air-conditioning feed water inlet are communicated with water knockout drum (15) by heating air conditioning supply channel (14), heating on the steam compression cycle cold water source pump (4) and air-conditioning water return outlet are communicated with water collector delivery port (9) on the water collector (8) by heating and air-conditioning water return pipeline (13), it is characterized in that, remaining hot water water inlet on the steam compression cycle cold water source pump (4) is successively by remaining hot water butterfly valve (24), remaining hot water electric control valve (23) and remaining hot water electric butterfly valve (22) are communicated with the subsidiary engine recirculated water water return pipeline (21) of steam power plant, remaining hot water delivery port on the steam compression cycle cold water source pump (4) is communicated with subsidiary engine cooling tower (30) by remaining hot water outlet pipeline (25), the delivery port (31) of subsidiary engine cooling tower (30) is communicated with subsidiary engine recirculated water water supply line (33) by subsidiary engine cooling tower water outlet electric butterfly valve (32), between the delivery port (31) of subsidiary engine cooling tower (30) and the remaining hot water water inlet on the steam compression cycle cold water source pump (4), be provided with cooling water pipeline (27), be provided with cooling water electric control valve (28) and cooling water butterfly valve (29) at cooling water pipeline (27); Domestic hot-water's water inlet on the steam compression cycle cold water source pump (4) is communicated with domestic water water pipe (39), and the domestic hot-water's delivery port on the steam compression cycle cold water source pump (4) is communicated with domestic water supply line (40).
2. a kind of high temperature type vapor compression cycling cold water heat pump unit heating air-conditioning system according to claim 1, it is characterized in that, domestic water supply line (40) is communicated with domestic hot-water's storage tank (41), and the delivery port (42) of domestic hot-water's storage tank (41) is communicated with resident living hot water line (45) by domestic hot-water's feed pump (43) and second domestic hot-water's feed pump (44) in parallel; Domestic water water pipe (39) is communicated with life inlet pipeline (36) by the first variable frequency pump (37) and the second variable frequency pump (38) in parallel, and life inlet pipeline (36) is communicated with domestic hot-water's microcirculation pipeline (35) and tap water pipe line (34) respectively.
3. a kind of high temperature type vapor compression cycling cold water heat pump unit heating air-conditioning system according to claim 1, it is characterized in that, be respectively arranged with filter (10) and circulating pump in heating and air-conditioning water return pipeline (13), circulating pump is comprised of the first circulating pump (11) and second circulating pump (12) of parallel connection.
4. a kind of high temperature type vapor compression cycling cold water heat pump unit heating air-conditioning system according to claim 3, it is characterized in that, be provided with demineralized water water pipe (20) at the water inlet place of filter (10), demineralized water water inlet pipe (16) is communicated with softening water tank (17), and the delivery port of softening water tank (17) is communicated with demineralized water water pipe (20) by the first softening water pump (18) in parallel and the second softening water pump (19).
5. a kind of high temperature type vapor compression cycling cold water heat pump unit heating air-conditioning system according to claim 1 is characterized in that, in the second steam compression cycle cold water source pump (5) and steam compression cycle cold water source pump (4) connecting system in parallel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110164117 CN102287965B (en) | 2011-06-18 | 2011-06-18 | Heating and air-conditioning system for high-temperature steam compressing and circulating cold water heat pump set |
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| CN 201110164117 CN102287965B (en) | 2011-06-18 | 2011-06-18 | Heating and air-conditioning system for high-temperature steam compressing and circulating cold water heat pump set |
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| CN102287965B true CN102287965B (en) | 2013-05-01 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103968598A (en) * | 2013-01-24 | 2014-08-06 | 盾安（天津）节能***有限公司 | Large temperature difference centralized heating/cooling system |
| CN103672859A (en) * | 2013-12-26 | 2014-03-26 | 上海艾克森集团有限公司 | Heat exchange device for recycling condensation water waste heat in steam heat exchanger unit |
| CN104633989A (en) * | 2015-02-06 | 2015-05-20 | 宁波高新区零零七工业设计有限公司 | Cold and heat source comprehensive utilization method |
| CN107806680A (en) * | 2017-10-25 | 2018-03-16 | 天津开发区欧亚设备安装有限公司 | A kind of Central Air conditioning Cold Storage System |
| CN108507232A (en) * | 2018-04-19 | 2018-09-07 | 珠海格力电器股份有限公司 | Cold water heat pump unit |
| CN111219905B (en) * | 2020-02-21 | 2024-04-16 | 中国电力工程顾问集团西南电力设计院有限公司 | Cold and heat source combined configuration structure and operation method of concentrated refrigeration and heating system of power plant |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5558273A (en) * | 1994-11-10 | 1996-09-24 | Advanced Mechanical Technology, Inc. | Two-pipe system for refrigerant isolation |
| CN101038099A (en) * | 2007-04-28 | 2007-09-19 | 上海本家空调***有限公司 | Refrigerating, heating and making hot-water air conditioning system |
| CN201772539U (en) * | 2010-08-20 | 2011-03-23 | 鞍钢集团房产物业公司 | Heating return afterheat-water recycling energy-saving device |
| CN202166230U (en) * | 2011-06-18 | 2012-03-14 | 山西省电力勘测设计院 | High temperature type vapor compression cycling cold water heat pump unit heating air-conditioning system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH649829A5 (en) * | 1982-07-21 | 1985-06-14 | Paolo Curti | EQUIPMENT FOR THE PRODUCTION OF HEAT, THROUGH A HEAT PUMP, FROM THE SMOKES OF A HEATING SYSTEM AND / OR FROM THE AMBIENT AIR. |
| US20030196443A1 (en) * | 2002-04-22 | 2003-10-23 | Wei-Ming Chang | Vapor injecting ice and hot water generating device |
-
2011
- 2011-06-18 CN CN 201110164117 patent/CN102287965B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5558273A (en) * | 1994-11-10 | 1996-09-24 | Advanced Mechanical Technology, Inc. | Two-pipe system for refrigerant isolation |
| CN101038099A (en) * | 2007-04-28 | 2007-09-19 | 上海本家空调***有限公司 | Refrigerating, heating and making hot-water air conditioning system |
| CN201772539U (en) * | 2010-08-20 | 2011-03-23 | 鞍钢集团房产物业公司 | Heating return afterheat-water recycling energy-saving device |
| CN202166230U (en) * | 2011-06-18 | 2012-03-14 | 山西省电力勘测设计院 | High temperature type vapor compression cycling cold water heat pump unit heating air-conditioning system |
Non-Patent Citations (1)
| Title |
|---|
| JP昭59-170694A 1984.09.26 |
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