CN205316748U - Compound heat pump hydrothermal coproduction device - Google Patents
Compound heat pump hydrothermal coproduction device Download PDFInfo
- Publication number
- CN205316748U CN205316748U CN201620035826.6U CN201620035826U CN205316748U CN 205316748 U CN205316748 U CN 205316748U CN 201620035826 U CN201620035826 U CN 201620035826U CN 205316748 U CN205316748 U CN 205316748U
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- pipeline
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- steam
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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
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
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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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- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The utility model discloses a compound heat pump hydrothermal coproduction device, it includes sea water desalination device, heat pump evaporator, choke valve, first absorber, II absorbers, first solution pump, second solution pump, first solution heat exchanger, second solution heat exchanger, generator, steam turbine, flue. The generator has the passageway to link to each other with the sea water desalination device heating steam entry, first, two absorbers have the weak solution pipeline to be linked together with the generator through first, two solution pumps and first, two solution heat exchanger respectively, the steam turbine steam exhaust mouth is equipped with the second dump line and is linked together with II absorbers, some establishes the 2nd circulating pipe way in heat pump evaporator, and some is established in the flue. Be equipped with first, two hot water heat supply network pipelines in first, two absorbers respectively. The utility model discloses recoverable exhaust steam and flue gas waste heat are prepared medium temperature steam and are used for seawater desalination, can obtain partial heat energy simultaneously again and be used for the heat supply, realize the hydrothermal coproduction.
Description
Technical field
This utility model relates to the combined heat-pump hydro-thermal combined production device of low temperature heat, is specifically related to a kind of combined heat-pump hydro-thermal combined production device simultaneously reclaiming exhaust steam of electric power plant and fume afterheat.
Background technology
Namely desalination technology utilizes seawater desalination to produce fresh water. At present, it is mainly used in the enterprise such as offshore islands and coastal area electric power, chemical industry in this technology of China. Method for desalting seawater mainly has multistage flash evaporation, multiple-effect evaporation and reverse osmosis these three method. Owing to low-temperature multi-effect evaporation seawater desalinization technology has, power consumption is little, operate the advantages such as temperature is low, slow down equipment corrosion, water quality is good is rapidly developed. But under normal circumstances, Thermal Power Station cannot provide the steam that can directly utilize to carry out desalinization, therefore prior art is typically with the part indirect steam in steam jet ejector extraction Steam Turbine Through IP Admission steam ejection sea water desalinating unit and obtains, owing to steam jet ejector efficiency is low, cause system energy consumption higher.
Meanwhile, there are two kinds of waste heats in Thermal Power Station, one is the exhaust steam residual heat of steam turbine, it is common that be fed directly in condenser, after utilizing recirculated cooling water cooling, enters in air by heat by cooling tower, causes a large amount of wastes of the energy; Two is fume afterheat, and generally common gas fired-boiler exhaust gas temperature is about 150 ~ 250 DEG C, and heat loss due to exhaust gas reaches more than 20%, and direct discharge can cause huge energy waste and environmental pollution.
Utility model content
Technical problem to be solved in the utility model is: overcome the deficiencies in the prior art, a kind of combined heat-pump hydro-thermal combined production device is provided, it utilizes combined heat-pump to reclaim exhaust steam residual heat and the fume afterheat of Thermal Power Station simultaneously, produce middle temperature steam (60 ~ 70 DEG C) for desalinization, a part of heat energy can be obtained again for heating the hot water in heat supply network pipeline simultaneously, thus reaching the cascade utilization to different quality energy, it is achieved that hydro-thermal coproduction.
For solving above-mentioned technical problem, the technical solution adopted in the utility model is: a kind of combined heat-pump hydro-thermal combined production device, including sea water desalinating unit, this sea water desalinating unit includes first evaporator, middle each single-effect evaporator and last evaporator, described first evaporator is provided with charging seawater inlet, heating steam inlet, condensation water out, described last evaporator is provided with indirect steam outlet, brine outlet and water outlet, wherein:
The indirect steam outlet of described last evaporator is connected through pipeline and the first condenser, first condenser is provided with condensation water outlet, seawater inlet, seawer outlet, the water outlet that condenses of the first condenser is discharged with the water outlet pipeline phase of last evaporator and after connecing by the road, seawer outlet on first condenser is connected to two bye-passes, one is refrigerated sea water discharge line, and another is the pipeline connecting charging seawater inlet;
The heating steam inlet of described sea water desalinating unit connects the refrigerant steam channel of generator, and the condensation water out that described first evaporator is arranged has cycle fluid pipeline to connect with evaporator with heat pump through choke valve; Evaporator with heat pump has low-pressure steam passage and the first absorber to be connected, and the first absorber has weak solution pipeline to be connected with generator through the first solution pump and the first solution heat exchanger; The concentrated solution outlet of generator has the first concentrated solution pipeline to connect through the first solution heat exchanger and the first absorber, the concentrated solution outlet of generator has the second concentrated solution pipeline to connect through the second solution heat exchanger and the second absorber, and the second absorber has weak solution pipeline to be connected with generator through the second solution pump and the second solution heat exchanger; It is provided with driving steam pipework in generator, in the first absorber, is provided with first hot-water heat-supply network's pipeline, in the second absorber, be provided with second hot-water heat-supply network's pipeline;
The extraction opening of one steam turbine is connected with the driving steam pipework arranged in generator; Turbine discharge mouth is provided with two exhaust lines, first row vapor pipeline and the second condenser and is connected, and second row vapor pipeline and the second absorber are connected; Arranging the first circulating water line in described second condenser, a part for one second circulating water line is arranged in evaporator with heat pump, and a part is arranged in flue.
The condensation water out of the described first evaporator of such scheme is provided with two bye-passes, and one is described cycle fluid pipeline, and another is boiler replenishing water pipeline.
This utility model one combined heat-pump hydro-thermal combined production device, its operation principle is:
(1) low pressure (LP) cylinder utilizing steam turbine draws gas the driving steam as combined heat-pump, by driving steam pipework to heat the absorbent weak solution in described generator, generator is released refrigerant vapour, is incorporated in sea water desalinating unit first evaporator as adding vapours;
(2) adding vapours after first evaporator condensation heat, become condensation water, a part condenses water and enters evaporator with heat pump as cycle fluid through choke valve, and another part condenses the water moisturizing as boiler;
(3) weak solution in described generator becomes concentrated solution after releasing refrigerant vapour, and this concentrated solution is divided into two plumes, and stock-traders' know-how first solution heat exchanger enters the first absorber, and another stock-traders' know-how second solution heat exchanger enters the second absorber;
(4) described steam turbine first row vapor pipeline introduces to the second condenser, becomes condensation water, then send back in boiler again after heat release; Second row vapor pipeline is introduced directly in the second absorber, as the part low-temperature heat source of combined heat-pump;
(5) a described second circulating water line part is arranged in evaporator with heat pump, and a part is arranged in flue;After recirculated water absorbs heat in flue, enter evaporator with heat pump and release heat, as another part low-temperature heat source of combined heat-pump, such iterative cycles;
(6) first hot-water heat-supply network's pipeline is connected to described first absorber, absorbs heat for hot water heating; Second hot-water heat-supply network's pipeline is connected to described second absorber, absorbs heat for hot water heating.
The proposed a kind of combined heat-pump hydro-thermal combined production device of this utility model has following effect and advantage:
(1) a kind of combined heat-pump hydro-thermal combined production device that this utility model is proposed can reclaim exhaust steam residual heat and the fume afterheat of Thermal Power Station simultaneously, produce middle temperature steam (60 ~ 70 DEG C) for desalinization, a part of heat energy can be obtained again for heating the hot water in heat supply network pipeline simultaneously, thus reaching the cascade utilization to different quality energy, it is achieved that hydro-thermal coproduction.
(2) this utility model device adopts heat pump techniques recovered flue gas heat energy; boiler thermal output can be improved, saved the energy, the harmful gas such as part N0x, the S0x in flue gas produces in heat release simultaneously condensed water absorption flue gas; the discharge capacity making harmful gas reduces, and is conducive to environmental conservation.
(3) this utility model device utilizes absorber directly to absorb exhaust steam residual heat, decreases heat transfer link, reduces again the initial cost of heat-pump apparatus simultaneously.
(4) this utility model is provided that the heat supply network hot water of two kinds of different temperatures, can well realize being mutually matched between heat supply and heat user.
Accompanying drawing explanation
Fig. 1 is this utility model combined heat-pump hydro-thermal combined production device structural representation.
In figure, 1 sea water desalinating unit, 2 first evaporators, each single-effect evaporator in the middle of 3, 4 last evaporators, 5 charging seawater inlet, 6 heating steam inlet, 7 condense water out, 8 boiler replenishing water pipelines, 9 cycle fluid pipelines, 10 choke valves, 11 indirect steam outlets, 12 brine outlet, 13 water outlets, 14 first condensers, 15 seawater inlet, 16 refrigerated sea water discharge lines, 17 evaporators with heat pump, 18 first absorbers, 19 first solution pumps, 20 first solution heat exchangers, 21 generators, 22 drive steam pipework, 23 second absorbers, 24 second solution pumps, 25 second solution heat exchangers, 26 concentrated solution outlets, 27 steam turbines, 28 electromotors, 29 turbine discharge mouths, 30 second row vapor pipelines, 31 first row vapor pipelines, 32 second condensers, 33 first circulating water lines, 34 first hot-water heat-supply network's pipelines, 35 second hot-water heat-supply network's pipelines, 36 gas approach, 37 exhanst gas outlets, 38 second circulating water lines, 39 flues, 40 condense water outlet, 41 seawer outlets, 42 extraction openings, 43 first concentrated solution pipelines, 44 second concentrated solution pipelines, 45 low-pressure steam passages.
Detailed description of the invention
As shown in Figure 1, this utility model combined heat-pump hydro-thermal combined production device, is mainly made up of sea water desalinating unit 1, evaporator with heat pump 17, choke valve the 10, first absorber the 18, second absorber the 23, first solution pump the 19, second solution pump the 24, first solution heat exchanger the 20, second solution heat exchanger 25, generator 21, steam turbine 27, flue the 39, first circulating water line the 33, second circulating water line the 38, first condenser 14 and the second condenser 32.
Described sea water desalinating unit 1 includes again first evaporator 2, middle each single-effect evaporator 3, last evaporator 4, described first evaporator 2 is provided with charging seawater inlet 5, heating steam inlet 6, condenses water out 7, and described last evaporator is provided with indirect steam outlet 11, brine outlet 12 and water outlet 13.Described condensation water out 7 is provided with two bye-passes, and one is cycle fluid pipeline 9, and another is boiler replenishing water pipeline 8. Described first condenser 14 is provided with condensation water outlet 40, seawater inlet 15, seawer outlet 41; The indirect steam outlet 11 of described last evaporator 4 is connected through pipeline and the first condenser 14, the water outlet 40 that condenses of the first condenser 14 is discharged with the water outlet 13 pipeline phase of last evaporator 4 and after connecing by the road, seawer outlet 41 on first condenser 14 is connected to two bye-passes, one is refrigerated sea water discharge line 16, and another is the pipeline of the charging seawater inlet 5 connecting first evaporator 2;
Described generator 21 housing has refrigerant steam channel to be connected with the heating steam inlet 6 of described sea water desalinating unit 1, and the condensation water out 7 that the first evaporator 2 of sea water desalinating unit 1 is arranged has cycle fluid pipeline 9 to connect with evaporator with heat pump 17 through choke valve 10. described first absorber 18 has weak solution pipeline to be connected with generator 21 with the first solution heat exchanger 20 through the first solution pump 19, second absorber 23 has weak solution pipeline to be connected with generator 21 with the second solution heat exchanger 25 through the second solution pump 24, the concentrated solution outlet 26 of generator 21 has the first concentrated solution pipeline 43 to connect with the first absorber 18 through the first solution heat exchanger 20, the concentrated solution outlet 26 of generator 21 has the second concentrated solution pipeline 44 to connect with the second absorber 23 through the second solution heat exchanger 25, evaporator with heat pump 17 has low-pressure steam passage 45 to be connected with the first absorber 18, driving steam pipework 22 it is provided with in generator 21, first hot-water heat-supply network's pipeline 34 it is provided with in first absorber 18, second hot-water heat-supply network's pipeline 35 it is provided with in second absorber 23.
The extraction opening 42 of described steam turbine 27 is connected with the driving steam pipework 22 arranged in generator 21; Turbine discharge mouth 29 is provided with two exhaust lines, and first row vapor pipeline 31 is connected with the second condenser 32, and second row vapor pipeline 30 is connected with the second absorber 23; In described second condenser 32, the first circulating water line 33 is set. Described second circulating water line 38 part is arranged in evaporator with heat pump 17, and a part is arranged in flue 39.
Claims (2)
1. a combined heat-pump hydro-thermal combined production device, including sea water desalinating unit (1), this sea water desalinating unit includes first evaporator (2), middle each single-effect evaporator (3) and last evaporator (4), described first evaporator is provided with charging seawater inlet (5), heating steam inlet (6), condenses water out (7), described last evaporator is provided with indirect steam outlet (11), brine outlet (12) and water outlet (13), it is characterised in that:
The indirect steam outlet of described last evaporator is connected through pipeline and the first condenser (14), first condenser is provided with condensation water outlet (40), seawater inlet (15), seawer outlet (41), the water outlet that condenses of the first condenser is discharged with the water outlet pipeline phase of last evaporator and after connecing by the road, seawer outlet on first condenser is connected to two bye-passes, one is refrigerated sea water discharge line (16), and another is the pipeline connecting charging seawater inlet (5);
The heating steam inlet of described sea water desalinating unit connects the refrigerant steam channel of generator (21), and the condensation water out that described first evaporator is arranged has cycle fluid pipeline (9) to connect with evaporator with heat pump (17) through choke valve (10);Evaporator with heat pump has low-pressure steam passage (45) to be connected with the first absorber (18), and the first absorber has weak solution pipeline to be connected with generator with the first solution heat exchanger (20) through the first solution pump (19); Concentrated solution outlet (26) of generator has the first concentrated solution pipeline (43) to connect with the first absorber through the first solution heat exchanger (20), the concentrated solution outlet of generator has the second concentrated solution pipeline (44) to connect with the second absorber (23) through the second solution heat exchanger (25), and the second absorber has weak solution pipeline to be connected with generator with the second solution heat exchanger (25) through the second solution pump (24); It is provided with driving steam pipework (22) in generator, is provided with first hot-water heat-supply network's pipeline (34) in the first absorber, in the second absorber, is provided with second hot-water heat-supply network's pipeline (35);
The extraction opening of one steam turbine (27) is connected with the driving steam pipework arranged in generator; Turbine discharge mouth (29) is provided with two exhaust lines, first row vapor pipeline and the second condenser (32) and is connected, and second row vapor pipeline and the second absorber are connected; Arranging the first circulating water line (33) in described second condenser, a part for one second circulating water line (38) is arranged in evaporator with heat pump, and a part is arranged in flue (39).
2. a kind of combined heat-pump hydro-thermal combined production device according to claim 1, it is characterised in that the condensation water out of described first evaporator is provided with two bye-passes, and is described cycle fluid pipeline, and another is boiler replenishing water pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620035826.6U CN205316748U (en) | 2016-01-15 | 2016-01-15 | Compound heat pump hydrothermal coproduction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620035826.6U CN205316748U (en) | 2016-01-15 | 2016-01-15 | Compound heat pump hydrothermal coproduction device |
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| Publication Number | Publication Date |
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| CN205316748U true CN205316748U (en) | 2016-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620035826.6U Expired - Fee Related CN205316748U (en) | 2016-01-15 | 2016-01-15 | Compound heat pump hydrothermal coproduction device |
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| CN (1) | CN205316748U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109442452A (en) * | 2018-12-06 | 2019-03-08 | 清华大学 | The smoke processing system recycled for fume afterheat and moisture |
| CN111792687A (en) * | 2020-07-07 | 2020-10-20 | 西安热工研究院有限公司 | Device and method for recycling waste heat of thermal power plant heat network based on seawater desalination technology |
-
2016
- 2016-01-15 CN CN201620035826.6U patent/CN205316748U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109442452A (en) * | 2018-12-06 | 2019-03-08 | 清华大学 | The smoke processing system recycled for fume afterheat and moisture |
| CN109442452B (en) * | 2018-12-06 | 2024-02-23 | 清华大学 | Flue gas treatment system for recycling flue gas waste heat and moisture |
| CN111792687A (en) * | 2020-07-07 | 2020-10-20 | 西安热工研究院有限公司 | Device and method for recycling waste heat of thermal power plant heat network based on seawater desalination technology |
| CN111792687B (en) * | 2020-07-07 | 2024-01-19 | 西安热工研究院有限公司 | Heat supply network drainage waste heat recovery device and method for thermal power plant based on sea water desalination technology |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160615 Termination date: 20190115 |
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| CF01 | Termination of patent right due to non-payment of annual fee |