CN205783967U - The Circulated water afterheat recycling system of steam power plant's thermal power plant unit - Google Patents
The Circulated water afterheat recycling system of steam power plant's thermal power plant unit Download PDFInfo
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- CN205783967U CN205783967U CN201620454639.1U CN201620454639U CN205783967U CN 205783967 U CN205783967 U CN 205783967U CN 201620454639 U CN201620454639 U CN 201620454639U CN 205783967 U CN205783967 U CN 205783967U
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- China
- Prior art keywords
- heat exchange
- power plant
- exchange station
- secondary heat
- water
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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]
- Y02B30/62—Absorption based systems
- Y02B30/625—Absorption based systems combined with heat or power generation [CHP], e.g. trigeneration
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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
Abstract
nullThis utility model relates to the Circulated water afterheat recycling system of a kind of steam power plant thermal power plant unit，Including absorption heat pump、Secondary heat exchange station and steam power plant's thermal power plant unit，Steam power plant's thermal power plant unit has boiler、Steam turbine and condenser，The circulating water pipe of condenser is provided with absorption heat pump，The driving heat source import of absorption heat pump connects extraction steam pipe，Extraction steam pipe is connected to the low pressure (LP) cylinder air induction conduit of steam turbine，The low-temperature heat source import of absorption heat pump connects circulating water pipe，The thermal source water inlet at the service water outlet of absorption heat pump and secondary heat exchange station passes through pipeline communication，The thermal source outlet for water inlet with secondary heat exchange station of absorption heat pump passes through pipeline communication，The resource of water supply of heating equipment is by the heat exchange import of pipeline communication to described secondary heat exchange station，The heat exchange at secondary heat exchange station exports by pipeline communication to heating equipment，This utility model can good conformity existing power plant thermal power plant unit recirculated water is carried out waste heat recovery，Reach energy-saving and cost-reducing purpose.
Description
Technical field
This utility model relates to steam power plant's heat recovery technology field, particularly relates to one and carries out thermal power plant unit
The technology that circulating water afterheat reclaims.
Background technology
Under energy-saving and emission-reduction main trend, the recirculated water of steam power plant's thermal power plant unit is carried out waste heat recovery imperative,
Electric power plant circulating water waste heat project gets more and more, and this optimization design investment to thermal power plant unit is huge.And absolutely
Major part has been carried out the circulating water afterheat recovery project of completion and does not play intended effect in actual motion
With, all there is the situation being not suitable with existing thermal power plant unit when design and operation in most circulating water afterheat projects.
So far, there is no the directive document for electric power plant circulating water waste heat recovery project in industry to put into effect.
Because above-mentioned defect, the design people, the most in addition research and innovation, to founding a kind of steam power plant
The Circulated water afterheat recycling system of thermal power plant unit, to reach to adapt to power plant's heating system and the purpose of energy-saving consumption-reducing.
Utility model content
For solving above-mentioned technical problem, the purpose of this utility model is to provide following of a kind of steam power plant thermal power plant unit
Ring water residual neat recovering system, it is possible to good conformity existing power plant thermal power plant unit also carries out waste heat to recirculated water and returns
Receive, reach energy-saving and cost-reducing purpose.
The Circulated water afterheat recycling system of a kind of steam power plant of the present utility model thermal power plant unit, including absorption type heat
Pump, secondary heat exchange station and steam power plant's thermal power plant unit, described steam power plant thermal power plant unit have boiler, steam turbine and
Condenser, the steam pipe of described boiler passes to described steam turbine, and the exhaustor of described steam turbine passes to described solidifying
Vapour device, the circulating water pipe of described condenser passes to described boiler, and the circulating water pipe of described condenser is provided with institute
Stating absorption heat pump, the driving heat source import of described absorption heat pump connects extraction steam pipe, and described extraction steam pipe is even
Being connected to the low pressure (LP) cylinder air induction conduit of described steam turbine, the low-temperature heat source import of described absorption heat pump connects described
The thermal source water inlet at circulating water pipe, the service water outlet of described absorption heat pump and described secondary heat exchange station is by pipe
Road connects, and the thermal source outlet for water inlet with described secondary heat exchange station of described absorption heat pump passes through pipeline
Connection, the resource of water supply of heating equipment is by the heat exchange import of pipeline communication to described secondary heat exchange station, institute
State the heat exchange outlet at secondary heat exchange station by pipeline communication to described heating equipment.
Further, described secondary heat exchange station is provided with two and the respectively first secondary heat exchange station and the two or two grade
Heat exchange station, described first secondary heat exchange station and described second secondary heat exchange station are in parallel, described absorption heat pump
Service water outlet respectively with the thermal source water inlet at described first secondary heat exchange station and described second secondary heat exchange station
Thermal source water inlet connects, described absorption heat pump for water inlet respectively with the heat at described first secondary heat exchange station
Source outlet connects with the thermal source outlet at described second secondary heat exchange station, and the resource of water supply of heating equipment is respectively
Heat exchange import and the heat exchange import at described second secondary heat exchange station with described first secondary heat exchange station connect
Logical, the heat exchange outlet at described first secondary heat exchange station and the heat exchange outlet point at described second secondary heat exchange station
It is not communicated to heating equipment.
Further, described absorption heat pump has low-temperature heat source outlet, and described condenser has recirculated water
Import, the low-temperature heat source outlet of described absorption heat pump is connected to the recirculated water of described condenser by pipeline
Import.
Further, described absorption heat pump is lithium bromide absorption type heat pump.
Further, described condenser is water-cooled condenser or air cooling tubes condenser.
Further, described condenser is dividing wall type condenser or contact condenser.
By such scheme, this utility model at least has the advantage that steam power plant of the present utility model heat supply
The Circulated water afterheat recycling system of unit, can with the steam of steam turbine as driving heat source, recycle from
The waste heat of condenser, produces the hot water of higher temperature, and by the confession needed for secondary heat exchange station and watering equipment
Water realizes heat exchange, thus obtains the water supply that watering equipment is temperature required, it is achieved the original thermal power plant unit of steam power plant
Circulating water afterheat recycle.
Described above is only the general introduction of technical solutions of the utility model, in order to it is new to better understand this practicality
The technological means of type, and can be practiced according to the content of description, below with preferable reality of the present utility model
After executing example and coordinating accompanying drawing to describe in detail such as.
Accompanying drawing explanation
Fig. 1 is principle schematic of the present utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, detailed description of the invention of the present utility model is described in further detail.
Following example are used for illustrating this utility model, but are not limited to scope of the present utility model.
See Fig. 1, more than the recirculated water of a kind of steam power plant thermal power plant unit described in this utility model one preferred embodiment
Heat recovery system, including absorption heat pump 1, secondary heat exchange station 2 and steam power plant's thermal power plant unit 3, described thermoelectricity
Factory's thermal power plant unit has boiler 31, steam turbine 32 and condenser 33, and the steam pipe of described boiler passes to described
Steam turbine, the exhaustor of described steam turbine passes to described condenser, and the circulating water pipe 4 of described condenser passes to
Described boiler, the circulating water pipe of described condenser is provided with described absorption heat pump, described absorption heat pump
Driving heat source import 11 connects the low pressure (LP) cylinder air inlet having extraction steam pipe 5, described extraction steam pipe to be connected to described steam turbine
Conduit, the low-temperature heat source import 12 of described absorption heat pump connects described circulating water pipe, described absorption heat pump
The thermal source water inlet 21 at service water outlet 13 and described secondary heat exchange station by pipeline communication, described absorption
The thermal source outlet 22 for water inlet 14 with described secondary heat exchange station of heat pump passes through pipeline communication, sets by heat
The resource of water supply 8 of the standby 7 heat exchange import 23 by pipeline communication to described secondary heat exchange station, described two grades
The heat exchange outlet 24 of heat exchange station is by pipeline communication to described heating equipment.
Described secondary heat exchange station is provided with two and the respectively first secondary heat exchange station 2A and the second secondary heat exchange station
2B, described first secondary heat exchange station and described second secondary heat exchange station are in parallel, the water supply of described absorption heat pump
Outlet respectively with the thermal source water inlet at described first secondary heat exchange station and the thermal source at described second secondary heat exchange station
Water inlet connects, and the water inlet thermal source respectively with described first secondary heat exchange station that supplies of described absorption heat pump goes out
The mouth of a river connects with the thermal source outlet at described second secondary heat exchange station, the resource of water supply of heating equipment respectively with institute
State heat exchange import and the heat exchange inlet communication at described second secondary heat exchange station at the first secondary heat exchange station,
The heat exchange outlet at described first secondary heat exchange station exports with the heat exchange at described second secondary heat exchange station and connects respectively
Pass to heating equipment.
Described absorption heat pump has low-temperature heat source outlet 15, and described condenser has circulating water intake 16,
The low-temperature heat source outlet of described absorption heat pump is connected to the circulating water intake of described condenser by pipeline.
Described absorption heat pump is lithium bromide absorption type heat pump.
Described condenser is water-cooled condenser or air cooling tubes condenser.Described condenser is dividing wall type condenser or connects
Touch condenser.
Operation principle of the present utility model is as follows: this utility model, with the steam of steam turbine as driving heat source, returns
Receive and utilize the waste heat from condenser, produce the hot water of higher temperature, and set with water by secondary heat exchange station
Standby required water supply realizes heat exchange, thus obtains the water supply that watering equipment is temperature required, it is achieved steam power plant is former
The circulating water afterheat having thermal power plant unit recycles.
The above is only preferred implementation of the present utility model, is not limited to this utility model, should
When pointing out, for those skilled in the art, without departing from this utility model know-why
On the premise of, it is also possible to making some improvement and modification, these improve and modification also should be regarded as this utility model
Protection domain.
Claims (6)
1. the Circulated water afterheat recycling system of steam power plant's thermal power plant unit, it is characterised in that: include absorption
Heat pump (1), secondary heat exchange station (2) and steam power plant's thermal power plant unit (3), described steam power plant thermal power plant unit has
Boiler (31), steam turbine (32) and condenser (33), the steam pipe of described boiler passes to described steam turbine,
The exhaustor of described steam turbine passes to described condenser, and the circulating water pipe (4) of described condenser passes to described pot
Stove, the circulating water pipe of described condenser is provided with described absorption heat pump, the driving heat of described absorption heat pump
Source import (11) connects extraction steam pipe (5), and described extraction steam pipe is connected to the low pressure (LP) cylinder air inlet of described steam turbine
Conduit, the low-temperature heat source import (12) of described absorption heat pump connects described circulating water pipe, described absorption
The service water outlet (13) of heat pump passes through pipeline communication with the thermal source water inlet (21) at described secondary heat exchange station,
The thermal source outlet (22) for water inlet (14) with described secondary heat exchange station of described absorption heat pump passes through
Pipeline communication, the resource of water supply (8) of heating equipment (7) is by pipeline communication to described secondary heat exchange station
Heat exchange import (23), heat exchange outlet (24) at described secondary heat exchange station is by pipeline communication to described confession
Hot equipment.
The Circulated water afterheat recycling system of steam power plant the most according to claim 1 thermal power plant unit, its feature
Be: described secondary heat exchange station be provided with two and the respectively first secondary heat exchange station (2A) and the two or two grade change
Heat stations (2B), described first secondary heat exchange station and described second secondary heat exchange station are in parallel, described absorption heat pump
Service water outlet respectively with the thermal source water inlet at described first secondary heat exchange station and described second secondary heat exchange station
Thermal source water inlet connection, described absorption heat pump for water inlet respectively with described first secondary heat exchange station
Thermal source outlet connects with the thermal source outlet at described second secondary heat exchange station, and the resource of water supply of heating equipment divides
Not with heat exchange import and the heat exchange import at described second secondary heat exchange station at described first secondary heat exchange station
Connection, the heat exchange outlet at described first secondary heat exchange station and the heat exchange outlet at described second secondary heat exchange station
It is respectively communicated to heating equipment.
The Circulated water afterheat recycling system of steam power plant the most according to claim 1 thermal power plant unit, its feature
Being: described absorption heat pump has low-temperature heat source outlet (15), described condenser has circulating water intake
(16), the low-temperature heat source outlet of described absorption heat pump is connected to the recirculated water of described condenser by pipeline
Import.
The Circulated water afterheat recycling system of steam power plant the most according to claim 1 thermal power plant unit, its feature
It is: described absorption heat pump is lithium bromide absorption type heat pump.
The Circulated water afterheat recycling system of steam power plant the most according to claim 1 thermal power plant unit, its feature
It is: described condenser is water-cooled condenser or air cooling tubes condenser.
The Circulated water afterheat recycling system of steam power plant the most according to claim 1 thermal power plant unit, its feature
It is: described condenser is dividing wall type condenser or contact condenser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620454639.1U CN205783967U (en) | 2016-05-18 | 2016-05-18 | The Circulated water afterheat recycling system of steam power plant's thermal power plant unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620454639.1U CN205783967U (en) | 2016-05-18 | 2016-05-18 | The Circulated water afterheat recycling system of steam power plant's thermal power plant unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205783967U true CN205783967U (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620454639.1U Expired - Fee Related CN205783967U (en) | 2016-05-18 | 2016-05-18 | The Circulated water afterheat recycling system of steam power plant's thermal power plant unit |
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| CN (1) | CN205783967U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105823259A (en) * | 2016-05-18 | 2016-08-03 | 中国大唐集团科学技术研究院有限公司 | Circulating water waste heat recycling system for thermal power plant heat supply unit |
-
2016
- 2016-05-18 CN CN201620454639.1U patent/CN205783967U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105823259A (en) * | 2016-05-18 | 2016-08-03 | 中国大唐集团科学技术研究院有限公司 | Circulating water waste heat recycling system for thermal power plant heat supply unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20161207 Termination date: 20170518 |
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| CF01 | Termination of patent right due to non-payment of annual fee |