CN206440032U - A kind of recovery Steam Turbine exhaust steam residual heat system based on heat pump - Google Patents
A kind of recovery Steam Turbine exhaust steam residual heat system based on heat pump Download PDFInfo
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- CN206440032U CN206440032U CN201720035817.1U CN201720035817U CN206440032U CN 206440032 U CN206440032 U CN 206440032U CN 201720035817 U CN201720035817 U CN 201720035817U CN 206440032 U CN206440032 U CN 206440032U
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- heat pump
- evaporator
- steam turbine
- pump assembly
- 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
- 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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
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Abstract
The utility model discloses a kind of recovery Steam Turbine exhaust steam residual heat system based on heat pump, including driving steam turbine, exhaust steam heater and the compression type heat pump assembly and absorption type heat pump assembly being connected by transfer pipeline；One end of driving steam turbine is connected with driving steam inlet, and the other end sends two branch roads, and a branch road is connected with exhaust steam heater, and another branch road is connected by transfer pipeline with absorption type heat pump assembly；Absorption type heat pump assembly includes condenser I, generator, absorber and evaporator I；Compression type heat pump assembly includes evaporator II, condenser II and compressor, and driving steam turbine is connected with compressor；Absorber is connected with heat supply network water return pipeline entrance, and evaporator I and evaporator II are connected with remaining hot water oral siphon road entrance.The utility model can effectively reduce the restriction loss of high drive steam, can reduce the loss to heat in heating process, improve the economy of steam-turbine acting ability, environmental protection and energy saving.
Description
Technical field
The utility model is related to a kind of surplus heat treatment system, more particularly to a kind of recovery Steam Turbine exhaust steam based on heat pump
Residual heat system.
Background technology
During the production run of thermal power plant, feedwater is heated to be superheated steam through boiler, and superheated steam enters through pipeline
Enter steam turbine acting, convert heat into mechanical energy and drive generator acting.Exhaust steam after acting is drained into through turbine low pressure cylinder
Condenser, exhaust steam heat is taken away by external cooling water in condenser, enters as condensate into steam turbine low-pressure heater
Row heating.The heat of exhaust steam is taken away by cooling water in Air-cooled Unit, cooling water in air cooling tower with air exchange heat, by heat
Release so causes very big energy waste into air.Due to the hot specific volume of air itself it is small the characteristics of, summer environment temperature
Increase, cause turbine back pressure too high, on-load ability decline, unit generation coal consumption increase.
Conventional boiler steam air heater is to draw gas to heat the heat exchange of air preheater import air using steam turbine low-pressure
Device, raises the air themperature of air inlet preheater, air preheater wall temperature rise, so as to prevent low-temperature corrosion.It is conventional
Steam air heater is, by cold air heating, though preventing the generation of the low-temperature corrosion problem of air preheater, to drop using extracted steam from turbine
Low steam-turbine acting ability, have impact on the heat-economy of steam turbine.
Utility model content
For the weak point in solving the above problems, the utility model provides a kind of recovery steam turbine based on heat pump
Group exhaust steam residual heat system.
In order to solve the above technical problems, the technical solution adopted in the utility model is：A kind of recovery vapour based on heat pump
Take turns unit exhaust steam residual heat system, including driving steam turbine, exhaust steam heater and the compression type heat being connected by transfer pipeline
Pump assembly and absorption type heat pump assembly；One end of driving steam turbine is connected with driving steam inlet, and the other end sends two branch
Road a, branch road is connected with exhaust steam heater, and another branch road is connected by transfer pipeline with absorption type heat pump assembly；
Absorption type heat pump assembly includes condenser I, generator, absorber and evaporator I；Condenser I, generator set one
In individual cylinder, absorber and evaporator I are arranged in another cylinder；Compression type heat pump assembly includes evaporator II, condenser
II and compressor, driving steam turbine is connected with compressor；Absorber is connected with heat supply network water return pipeline entrance, the He of evaporator I
Evaporator II is connected with remaining hot water oral siphon road entrance.
Exhaust steam heater sends two branch roads after being connected with driving steam turbine, a branch road is exported with heat supply network backwater and connected,
Another branch road is connected with condensate return system.
Absorber is two, is separately positioned on the left and right sides of evaporator I.
Evaporator II is connected by evaporator I with remaining hot water oral siphon road, and evaporator II connects with remaining hot water outlet pipeline
It is logical.
The utility model can effectively reduce the restriction loss of high drive steam, can reduce in heating process to heat
Loss, improve steam-turbine do work ability economy, environmental protection and energy saving.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is structural representation of the present utility model.
In figure：1st, driving steam turbine；2nd, exhaust steam heater；3rd, compression type heat pump assembly；4th, absorption type heat pump assembly；5th, it is hot
Net water return pipeline entrance；6th, remaining hot water oral siphon road entrance；7th, heat supply network backwater is exported；8th, condensate return system；9th, remaining hot water
Outlet pipeline；31st, evaporator II；32nd, condenser II；33rd, compressor；41st, condenser I；42nd, generator；43rd, absorber；44、
Evaporator I.
Embodiment
As shown in figure 1, the utility model includes driving steam turbine 1, exhaust steam heater 2 and is connected by transfer pipeline
Compression type heat pump assembly 3 and the driving steam turbine of absorption type heat pump assembly 4 one end with driving steam inlet be connected, the other end
Two branch roads are sent, a branch road is connected with exhaust steam heater 2, and another branch road passes through transfer pipeline and absorption heat pump machine
Group 4 is connected；
Absorption type heat pump assembly 4 includes condenser I 41, generator 42, absorber 43 and evaporator I 44；Condenser I 41,
Generator 42 is set in a cylinder, and absorber 43 and evaporator I 44 are arranged in another cylinder；Absorber 43 is two,
It is separately positioned on the left and right sides of evaporator I 44.Compression type heat pump assembly 3 includes evaporator II 31, condenser II 32 and compression
Machine 33, driving steam turbine 1 is connected with compressor 33；Wherein, compressor 33 is driven by driving steam turbine and operated, and drives steamer
The central shaft of machine is connected with the center rotating shaft of compressor 33 using concentric shafts, so as to drive compressor operation.Absorber 43
It is connected with heat supply network water return pipeline entrance 5, evaporator I 44 and evaporator II 31 are connected with remaining hot water oral siphon road entrance 6.
Exhaust steam heater 1 sends two branch roads after being connected with driving steam turbine 2, a branch road connects with heat supply network backwater outlet 7
Logical, another branch road is connected with condensate return system 8.
Evaporator II 31 is connected by evaporator I 44 with remaining hot water oral siphon road, evaporator II 31 and remaining hot water water outlet
Pipeline 9 is connected.
The utility model is that exhaust steam heater and absorption type heat pump assembly provide heat by high drive steam, can be right
Heat supply network backwater is heated, while compressor and the absorption in compression source pump can also be moved by high drive steam zone
Absorber in formula source pump is operated, and can effectively reduce the restriction loss of high drive steam.Heat supply network backwater is first
By absorber, heat stepwise is then carried out successively to heat supply network backwater by using remaining hot water and high drive steam, so as to
Reduce the loss to heat in heating process.
Above-mentioned embodiment is not that, to limitation of the present utility model, the utility model is also not limited to the example above,
The variations, modifications, additions or substitutions that those skilled in the art are made in the range of the technical solution of the utility model,
Also protection domain of the present utility model is belonged to.
Claims (4)
1. a kind of recovery Steam Turbine exhaust steam residual heat system based on heat pump, it is characterised in that：It include driving steam turbine (1),
Exhaust steam heater (2) and the compression type heat pump assembly (3) and absorption type heat pump assembly (4) that are connected by transfer pipeline are described
One end of driving steam turbine (1) is connected with driving steam inlet, and the other end sends two branch roads, and a branch road is heated with exhaust steam
Device (2) is connected, and another branch road is connected by transfer pipeline with absorption type heat pump assembly (4)；
The absorption type heat pump assembly (4) includes condenser I (41), generator (42), absorber (43) and evaporator I (44)；
The condenser I (41), generator (42) are set in a cylinder, and absorber (43) and evaporator I (44) are arranged on another
In cylinder；The compression type heat pump assembly (3) includes evaporator II (31), condenser II (32) and compressor (33), drives vapour
Turbine (1) is connected with compressor (33)；The absorber (43) is connected with heat supply network water return pipeline entrance (5), evaporator I
(44) it is connected with evaporator II (31) with remaining hot water oral siphon road entrance (6).
2. the recovery Steam Turbine exhaust steam residual heat system according to claim 1 based on heat pump, it is characterised in that：It is described weary
Vapour heater (2) sends two branch roads after being connected with driving steam turbine (1), a branch road is connected with heat supply network backwater outlet (7), separately
One branch road is connected with condensate return system (8).
3. the recovery Steam Turbine exhaust steam residual heat system according to claim 1 based on heat pump, it is characterised in that：It is described to inhale
It is two to receive device (43), is separately positioned on the left and right sides of evaporator I (44).
4. the recovery Steam Turbine exhaust steam residual heat system according to claim 1 based on heat pump, it is characterised in that：It is described to steam
Hair device II (31) is connected by evaporator I (44) with remaining hot water oral siphon road, evaporator II (31) and remaining hot water outlet pipeline
(9) connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720035817.1U CN206440032U (en) | 2017-01-12 | 2017-01-12 | A kind of recovery Steam Turbine exhaust steam residual heat system based on heat pump |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720035817.1U CN206440032U (en) | 2017-01-12 | 2017-01-12 | A kind of recovery Steam Turbine exhaust steam residual heat system based on heat pump |
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| CN206440032U true CN206440032U (en) | 2017-08-25 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108035779A (en) * | 2017-12-13 | 2018-05-15 | 联合瑞升（北京）科技有限公司 | A kind of water cooling Steam Turbine exhaust steam residual heat recycles heating system |
| CN108301883A (en) * | 2017-12-09 | 2018-07-20 | 联合瑞升（北京）科技有限公司 | A kind of steam power plant's thermoelectricity decoupled system |
| CN111928511A (en) * | 2020-08-07 | 2020-11-13 | 西安西热节能技术有限公司 | Liquefied air energy storage peak shaving system and method based on compressor intermediate suction |
-
2017
- 2017-01-12 CN CN201720035817.1U patent/CN206440032U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108301883A (en) * | 2017-12-09 | 2018-07-20 | 联合瑞升（北京）科技有限公司 | A kind of steam power plant's thermoelectricity decoupled system |
| CN108035779A (en) * | 2017-12-13 | 2018-05-15 | 联合瑞升（北京）科技有限公司 | A kind of water cooling Steam Turbine exhaust steam residual heat recycles heating system |
| CN108035779B (en) * | 2017-12-13 | 2024-03-12 | 联合瑞升（北京）科技有限公司 | Waste steam and waste heat recovery heat supply system of water-cooling steam turbine unit |
| CN111928511A (en) * | 2020-08-07 | 2020-11-13 | 西安西热节能技术有限公司 | Liquefied air energy storage peak shaving system and method based on compressor intermediate suction |
| CN111928511B (en) * | 2020-08-07 | 2021-09-07 | 西安西热节能技术有限公司 | Liquefied air energy storage peak shaving system and method based on compressor intermediate suction |
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