CN202304470U - Condensation heat recovery device for generating set - Google Patents
Condensation heat recovery device for generating set Download PDFInfo
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- CN202304470U CN202304470U CN2011203667201U CN201120366720U CN202304470U CN 202304470 U CN202304470 U CN 202304470U CN 2011203667201 U CN2011203667201 U CN 2011203667201U CN 201120366720 U CN201120366720 U CN 201120366720U CN 202304470 U CN202304470 U CN 202304470U
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- water
- pipeline
- heat pump
- recovery device
- generating set
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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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- 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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- Sorption Type Refrigeration Machines (AREA)
Abstract
The utility model relates to a heat recovery device, and discloses a condensation heat recovery device for a generating set. The condensation heat recovery device comprises a steam pipeline (4), a hot waste water pipeline (6), a cooling water circulation pipeline (1) and a demineralized water pipeline (5), wherein the steam pipeline is connected with a steam engine (41) and a condenser (13); the hot waste water pipeline (6) is connected with a lithium bromide refrigerator (8) and an absorption heat pump (7); and the cooling water circulation pipeline (1) starts from a cooling circulating water pool (12), and returns to a cooling circulating water pool (12) after passing through the condenser (13), the absorption heat pump (7) and the lithium bromide refrigerator (8). The condensation heat recovery device adopts the heat pump technology to achieve condensation, recovery and reutilization of steam water lost by a power plant, and has the advantages of high water resource recovery rate, energy conservation and environmental protection.
Description
Technical field
The utility model relates to a kind of heat reclamation device, relates in particular to a kind of generating set condensation heat recovery device.
Background technology
The thermal power plant condensation heat enters atmosphere through cooling tower or air cooling island and forms huge heat-energy losses, is the low main cause of thermal power plant energy use efficiency, not only causes the waste of energy and water or electricity, has also seriously polluted atmosphere simultaneously.Thermal power plant condensation heat emptying is the ubiquitous problem in the China and even the world, is waste, also is helpless.Yet along with the development of heat pump techniques, the particularly appearance of large high-temperature water resource heat pump makes the generating set conserve water energy, and reclaiming condensation heat will become possibility.
The utility model content
The utility model is difficult to utilize to condensation heat, steam heat in the prior art and reclaims, and a kind of water of heat pump techniques recovery power plant vapor form and generating set condensation heat recovery device of waste water residual heat of adopting is provided.
In order to solve the problems of the technologies described above, the utility model is able to solve through following technical proposals:
The generating set condensation heat recovery device comprises steam pipework, hot waste water pipeline, cooling water circulation line, demineralized water pipeline, and described steam pipework connects steam turbine and condenser; The hot waste water pipeline connects lithium bromide refrigerator and sorption type heat pump; The cooling water circulation line begins from the cool cycles pond, through getting back to the cool cycles pond behind condenser, sorption type heat pump, the lithium bromide refrigerator.The steam that steam turbine produces is delivered to condenser; Steam is given the cooling water in the cooling water circulation line through condenser with thermal energy transfer; Have the cooling water process sorption type heat pump of heat energy and in sorption type heat pump, carry out heat exchange with inner loop pipeline, inner loop pipeline is given the demineralized water pipeline through the water water-to-water heat exchanger with thermal energy transfer.The hot waste water pipeline; Boiler continuous blow-down just and the sewage that regularly discharges; This hot waste water pipeline is through the heat exchange at lithium bromide refrigerator and sorption type heat pump; Give cooling water circulation line and CWR road with thermal energy transfer, wherein the CWR road is given the demineralized water pipeline through the water water-to-water heat exchanger with thermal energy transfer again.Cooling water circulation line and hot waste water pipeline all pass through lithium bromide refrigerator, and the heat energy in its pipeline can be used as the heat dynamic resource of lithium bromide refrigerator, and cooling circulating water is freezed, and improve condenser efficient.
As preferably, described cooling water circulation line also passes through centrifugal heat pump, and centrifugal heat pump is arranged between sorption type heat pump and the lithium bromide refrigerator.Through centrifugal heat pump is set, can the heat energy of the cooling water that passes through sorption type heat pump be carried out further thermal energy exchange, give the demineralized water pipeline through inner loop pipeline with the thermal energy transfer in the cooling water circulation line, improved the utilization rate of heat energy.
As preferably, also be provided with the CWR road on the described cooling water circulation line, the CWR road is through the water water-to-water heat exchanger, and the demineralized water pipeline also passes through the water water-to-water heat exchanger; The water inlet on CWR road is arranged between centrifugal heat pump and the lithium bromide refrigerator, and the water return outlet on CWR road is arranged between condenser and the sorption type heat pump.Through the CWR road is set, can select to open CWR road water compensating valve, will carry resorption to receive heat pump again at the cooling water after centrifugal heat pump carries out heat exchange and carry out heat exchange.Simultaneously, the demineralized water pipeline is also passed through on the CWR road, and the heat energy of a part is directly passed to the demineralized water pipeline.
As preferably, described demineralized water pipeline connects sweet-water tank, through with the water water-to-water heat exchanger after get back to sweet-water tank through the demineralized water water return pipeline.Heat energy in the demineralized water pipeline obtains through the water water-to-water heat exchanger.
As preferably, also comprise inner loop pipeline, inner loop pipeline is through centrifugal heat pump, sorption type heat pump, lithium bromide refrigerator and water water-to-water heat exchanger.Inner loop pipeline carries out heat exchange through lithium bromide refrigerator in the sorption type heat pump on the cooling water circulation line, the hot waste water pipeline and the centrifugal heat pump on the CWR road and obtains heat energy, through the water water-to-water heat exchanger heat energy that obtains is passed to the demineralized water pipeline with the mode of heat exchange then.
As preferably, described CWR road is provided with CWR road circulating pump and CWR road water compensating valve, and CWR road water compensating valve is arranged on the CWR road that gets into before the lithium bromide refrigerator.Can carry out the secondary recovery utilization to cooling water through opening CWR road water compensating valve, improve the utilization ratio of heat energy through sorption type heat pump.
As preferably, described demineralized water water return pipeline is provided with demineralized water water return pipeline control valve, is provided with the deoxygenation pipeline between water water-to-water heat exchanger and the demineralized water water return pipeline control valve, and the deoxygenation pipeline is connected with oxygen-eliminating device.When demineralized water water return pipeline control valve was opened, the water in the demineralized water pipeline was back to sweet-water tank after through the water water-to-water heat exchanger; When demineralized water water return pipeline control valve was closed, the water in the demineralized water pipeline was through getting into oxygen-eliminating device through the deoxygenation pipeline behind the water water-to-water heat exchanger.
As preferably, described steam pipework is through steam turbine, and the steam that steam turbine is produced is delivered to the vapour condenser, and steam is given thermal energy transfer through the vapour condenser and coagulated water behind the cooling water in the cooling water circulation line and discharge.
As preferably, described inner loop pipeline is provided with the inner loop pipeline water compensating valve.Along with the water in the inner loop pipeline has certain evaporating loss at the continuous release heat energy that absorbs, therefore, logical inner loop pipeline water compensating valve can carry out certain replenishing to the water in the inner loop pipeline, thus the normal operation of assurance inner loop pipeline.
The utility model makes the water of the steam form of power plant's loss be able to condensation, recovery, and utilizes once more through adopting heat pump techniques, has water resource recovery utilization rate height, the advantage of energy-conserving and environment-protective.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment 1.
1-cooling water circulation line wherein; 2-CWR road; The 3-inner loop pipeline; The 4-steam pipework; 5-demineralized water pipeline; 6-hot waste water pipeline; The 7-sorption type heat pump; The 8-lithium bromide refrigerator; 9-water water-to-water heat exchanger; The centrifugal heat pump of 10-; The 11-coolant circulation pump; 12-cool cycles pond; The 13-condenser; 21-CWR road circulating pump; 22-CWR road water compensating valve; 31-inner loop pipeline circulating pump; 32-inner loop pipeline water compensating valve; The 41-steam turbine; 51-demineralized water pipeline circulating pump; 52-demineralized water water return pipeline control valve; The 53-oxygen-eliminating device; The 54-sweet-water tank; The 61-wastewater disposal basin.
The specific embodiment
Below in conjunction with the accompanying drawing 1 and the specific embodiment the utility model is described in further detail:
Embodiment 1
The generating set condensation heat recovery device, as shown in Figure 1, comprise steam pipework 4, hot waste water pipeline 6, cooling water circulation line 1, demineralized water pipeline 5, described steam pipework 4 connects steam turbine 41 and condenser 13; Hot waste water pipeline 6 connects lithium bromide refrigerator 8 and sorption type heat pump 7; Cooling water circulation line 1 is 12 beginnings from the cool cycles pond, through getting back to cool cycles pond 12 behind condenser 13, sorption type heat pump 7, the lithium bromide refrigerator 8.The steam that steam turbine 41 produces is delivered to condenser 13; Steam is given the cooling water in the cooling water circulation line 1 through condenser 13 with thermal energy transfer; The cooling water that has heat energy carries out heat exchange through sorption type heat pump 7 and in sorption type heat pump 7 with inner loop pipeline 3, and inner loop pipeline 3 is given demineralized water pipeline 5 through water water-to-water heat exchanger 9 with thermal energy transfer.Hot waste water pipeline 6 is through the heat exchange at lithium bromide refrigerator 8 and sorption type heat pump 7; Give cooling water circulation line 1 and CWR road 2 with thermal energy transfer, wherein CWR road 2 is given demineralized water pipeline 5 through water water-to-water heat exchanger 9 with thermal energy transfer again.Cooling water circulation line 1 and hot waste water pipeline 6 all pass through lithium bromide refrigerator 8, and the heat energy in its pipeline can be used as the heat dynamic resource of lithium bromide refrigerator 8, freezes.Hot waste water pipeline 6 passes through lithium bromide refrigerator 8, sorption type heat pump 7 successively and discharges heat energy.Wherein, cooling water circulation line 1 is that j1, CWR road 2 are j6 for j4, demineralized water pipeline 5 for j5, hot waste water pipeline 6 for j3, steam pipework 4 for j2, inner loop pipeline 3.
Cooling water circulation line 1 also passes through centrifugal heat pump 10, and centrifugal heat pump 10 is arranged between sorption type heat pump 7 and the lithium bromide refrigerator 8.Through centrifugal heat pump 10 is set, can the heat energy of the cooling water that passes through sorption type heat pump 7 be carried out further thermal energy exchange, give demineralized water pipeline 5 through inner loop pipeline 3 with the thermal energy transfer in the cooling water circulation line 1, improved the utilization rate of heat energy.Cooling water circulation line 1 is provided with coolant circulation pump 11, and coolant circulation pump 11 is arranged between cool cycles pond 12 and the condenser 13.Cooling water circulation line 1 passes through sorption type heat pump 7, centrifugal heat pump 10, lithium bromide refrigerator 8 successively and discharges heat energy.
Also be provided with CWR road 2 on the cooling water circulation line 1, CWR road 2 is through water water-to-water heat exchanger 9, and demineralized water pipeline 5 also passes through water water-to-water heat exchanger 9; The water inlet on CWR road 2 is arranged between centrifugal heat pump 10 and the lithium bromide refrigerator 8, and the water return outlet on CWR road 2 is arranged between condenser 13 and the sorption type heat pump 7.Through CWR road 2 is set, can select to open CWR road water compensating valve 22, will carry resorption to receive heat pump 7 again at the cooling water after centrifugal heat pump 10 carries out heat exchange and carry out heat exchange.Simultaneously, demineralized water pipeline 5 is also passed through on CWR road 2, and the heat energy of a part is directly passed to demineralized water pipeline 5.Also be provided with CWR road circulating pump 21 on the CWR road 2.CWR road 2 is passed through to absorb heat energy at lithium bromide refrigerator 8 places, gives demineralized water pipeline 5 through water water-to-water heat exchanger 9 with thermal energy transfer then, converges the back with entering sorption type heat pump 7 cooling water circulation line 1 before then and gets into sorption type heat pump 7.
Also comprise inner loop pipeline 3, inner loop pipeline 3 is through centrifugal heat pump 10, sorption type heat pump 7, lithium bromide refrigerator 8 and water water-to-water heat exchanger 9.Inner loop pipeline 3 carries out heat exchange through lithium bromide refrigerator 8 in the sorption type heat pump on the cooling water circulation line 17, the hot waste water pipeline 6 and the centrifugal heat pump on the CWR road 2 10 and obtains heat energy, through water water-to-water heat exchanger 9 heat energy that obtains is passed to demineralized water pipeline 5 with the mode of heat exchange then.Inner loop pipeline 3 is provided with inner loop pipeline circulating pump 31, and inner loop pipeline circulating pump 31 is arranged between centrifugal heat pump 10 and the water water-to-water heat exchanger 9.Water in the inner loop pipeline 3 obtains heat energy through centrifugal heat pump 10 backs; Temperature is increased to more than 70 ℃; This moment is at the sorption type heat pump 7 of flowing through, because higher through the cooling water temperature of sorption type heat pump 7, so after the water in the inner loop pipeline 3 are continued heating; Inner loop pipeline 3 is through lithium bromide refrigerator 8 release portion heat energy, and temperature drops to below 53 ℃ after continuing to discharge heat energy through water water-to-water heat exchanger 9 then.
CWR road 2 is provided with CWR road circulating pump 21 and CWR road water compensating valve 22, and CWR road water compensating valve 22 is arranged on and gets on the lithium bromide refrigerator 8 CWR road 2 before.Can carry out the secondary recovery utilization to cooling water through opening CWR road water compensating valve 22, improve the utilization ratio of heat energy through sorption type heat pump 7.After CWR road water compensating valve 22 is opened, continue on cooling water circulation line 1 through the hot water of centrifugal heat pump 10 is a part of, another part gets into CWR road 2; At this moment; Replenish the lower normal-temperature water of entering temperature through CWR road water compensating valve 22; Make that getting into lithium bromide refrigerator 8 preceding water temperatures through CWR road 2 reduces greatly; And through lithium bromide refrigerator 8 time, absorbed heat energy, then this part heat energy has been passed to demineralized water pipeline 5 through water water-to-water heat exchanger 9.
The demineralized water water return pipeline is provided with demineralized water water return pipeline control valve 52, is provided with the deoxygenation pipeline between water water-to-water heat exchanger 9 and the demineralized water water return pipeline control valve 52, and the deoxygenation pipeline is connected with oxygen-eliminating device 53.When demineralized water water return pipeline control valve 52 was opened, the water in the demineralized water pipeline 5 was back to sweet-water tank 54 after through water water-to-water heat exchanger 9; When demineralized water water return pipeline control valve 52 was closed, the water in the demineralized water pipeline 5 got into oxygen-eliminating device 53 through water water-to-water heat exchanger 9 backs through the deoxygenation pipeline.
In a word, the above is merely the preferred embodiment of the utility model, and all equalizations of being done according to the utility model claim change and modify, and all should belong to the covering scope of the utility model patent.
Claims (9)
1. a generating set condensation heat recovery device comprises steam pipework (4), hot waste water pipeline (6), cooling water circulation line (1), demineralized water pipeline (5), it is characterized in that: described steam pipework (4) connects steam turbine (41) and condenser (13); Hot waste water pipeline (6) connects lithium bromide refrigerator (8) and sorption type heat pump (7); Cooling water circulation line (1) is from cool cycles pond (12) beginning, through getting back to cool cycles pond (12) after condenser (13), sorption type heat pump (7), lithium bromide refrigerator (8) refrigeration.
2. generating set condensation heat recovery device according to claim 1 is characterized in that: described cooling water circulation line (1) also passes through centrifugal heat pump (10), and centrifugal heat pump (10) is arranged between sorption type heat pump (7) and the lithium bromide refrigerator (8).
3. generating set condensation heat recovery device according to claim 2; It is characterized in that: also be provided with CWR road (2) on the described cooling water circulation line (1); CWR road (2) is through water water-to-water heat exchanger (9), and demineralized water pipeline (5) also passes through water water-to-water heat exchanger (9); The water inlet on CWR road (2) is arranged between centrifugal heat pump (10) and the lithium bromide refrigerator (8), and the water return outlet of CWR road (2) is arranged between condenser (13) and the sorption type heat pump (7).
4. generating set condensation heat recovery device according to claim 1 is characterized in that: described demineralized water pipeline (5) connects sweet-water tank (54), through getting back to sweet-water tank (54) with water water-to-water heat exchanger (9) back through the demineralized water water return pipeline.
5. generating set condensation heat recovery device according to claim 3 is characterized in that: also comprise inner loop pipeline (3), inner loop pipeline (3) is through centrifugal heat pump (10), sorption type heat pump (7), lithium bromide refrigerator (8) and water water-to-water heat exchanger (9).
6. generating set condensation heat recovery device according to claim 3; It is characterized in that: described CWR road (2) is provided with CWR road circulating pump (21) and CWR road water compensating valve (22), and CWR road water compensating valve (22) is arranged on and gets on lithium bromide refrigerator (8) the CWR road (2) before.
7. generating set condensation heat recovery device according to claim 4; It is characterized in that: described demineralized water water return pipeline is provided with demineralized water water return pipeline control valve (52); Be provided with the deoxygenation pipeline between water water-to-water heat exchanger (9) and the demineralized water water return pipeline control valve (52), the deoxygenation pipeline is connected with oxygen-eliminating device (53).
8. generating set condensation heat recovery device according to claim 1; It is characterized in that: described steam pipework (4) is through steam turbine (41); The steam that steam turbine (41) is produced is delivered to condenser (13), and steam coagulates the water discharge after giving the cooling water in the cooling water circulation line (1) through condenser (13) with thermal energy transfer.
9. generating set condensation heat recovery device according to claim 5 is characterized in that: described inner loop pipeline (3) is provided with inner loop pipeline water compensating valve (32).
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CN2011203667201U CN202304470U (en) | 2011-09-29 | 2011-09-29 | Condensation heat recovery device for generating set |
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CN2011203667201U CN202304470U (en) | 2011-09-29 | 2011-09-29 | Condensation heat recovery device for generating set |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102435015A (en) * | 2011-09-29 | 2012-05-02 | 浙江工商大学 | Condensation heat recovery device in power station |
CN112939422A (en) * | 2021-01-27 | 2021-06-11 | 重庆新离子环境科技有限公司 | Fly ash melting water quenching water saving system and method |
-
2011
- 2011-09-29 CN CN2011203667201U patent/CN202304470U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102435015A (en) * | 2011-09-29 | 2012-05-02 | 浙江工商大学 | Condensation heat recovery device in power station |
CN112939422A (en) * | 2021-01-27 | 2021-06-11 | 重庆新离子环境科技有限公司 | Fly ash melting water quenching water saving system and method |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20140929 |
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EXPY | Termination of patent right or utility model |