CN208186317U - A kind of thermal power generation heat circulation system device - Google Patents
A kind of thermal power generation heat circulation system device Download PDFInfo
- Publication number
- CN208186317U CN208186317U CN201820710730.4U CN201820710730U CN208186317U CN 208186317 U CN208186317 U CN 208186317U CN 201820710730 U CN201820710730 U CN 201820710730U CN 208186317 U CN208186317 U CN 208186317U
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- water
- pipe
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- circulating water
- pump
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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
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Abstract
The utility model discloses a kind of thermal power generation heat circulation system devices, it include condenser, condenser is connected with oxygen-eliminating device by circulating water pipe, circulating water pipe is equipped with multiple groups low-pressure heater, multiple groups low-pressure heater is connected separately with heat pump, one end of circulating water pipe is equipped with condensate pump, condensate pump is connected to condenser, water circulation unit is connected on circulating water pipe, water circulation unit includes circulating water pool, water pump, water-circulating pipe, circulating water pool is connect with condensate pump, water pump is set between circulating water pool and condenser, the hydraulic turbine is respectively equipped on water-circulating pipe, compressor；The utility model structure is simple, optimizes to the therrmodynamic system in thermal power plant, and then reduces energy loss, generating efficiency is improved, the generating efficiency of unit can be improved, and utilization is effectively compressed by recirculated water, it realizes recycling for recirculated water, guarantees that energy recovery efficiency is high, the operation is stable.
Description
Technical field
The utility model relates to thermal power generation field of energy-saving technology more particularly to a kind of thermal power generation heat circulation system to fill
It sets.
Background technique
The external radiation loss of thermal power plant recirculated water accounts for the overwhelming majority of power plant energy loss at present, very one big
Energy is divided to lose in vain because of cannot be fully utilized, with social development, the aggravation of competition among enterprises, energy-saving and emission-reduction
Strict demand and environmental requirement, save consumption of raw materials, reduce disposal of pollutants become enterprise will emphatically thinking solve reality ask
Topic.
Utility model content
For this purpose, structure is simple, to thermal power plant the utility model proposes a kind of thermal power generation heat circulation system device
Therrmodynamic system optimize, and then reduce energy loss, improve generating efficiency.
The utility model is realized by following means:
A kind of thermal power generation heat circulation system device, includes condenser, and the condenser is connected by circulating water pipe
It is connected to oxygen-eliminating device, the circulating water pipe is equipped with multiple groups low-pressure heater, and low-pressure heater described in multiple groups is connected separately with
One end of heat pump, the circulating water pipe is equipped with condensate pump, and the condensate pump is connected to condenser, the recirculated water
Water circulation unit is connected on pipe, the water circulation unit includes circulating water pool, water pump, water-circulating pipe, the circulation
Pond is connect with condensate pump, and the water pump is set between circulating water pool and condenser, and the circulating water pool is followed by water
Throttle valve, the water-circulating pipe are respectively equipped on the connection of the both ends of endless tube and circulating water pipe and the both ends of the water-circulating pipe
On be respectively equipped with the hydraulic turbine, compressor, between the circulating water pool and the hydraulic turbine be equipped with throttle valve, the compressor with follow
Be connected with pipeline and pipeline between ring pond and be equipped with throttle valve, the hydraulic turbine with connect circulating water pool, circulating water pipe
One end water-circulating pipe is connected by water pipe and water pipe is equipped with throttle valve.
Preferably, the group number of low-pressure heater described in multiple groups is 5 groups, and realizing reasonably optimizing drop can emission reduction.
Preferably, the compressor is rotary compressor, and compressor connection coaxial with the hydraulic turbine realizes
It is energy saving without outer power drive.
Preferably, the pipe diameter range of the circulating water pipe is 300-1500mm.
The utility model recycles recirculated water outlet waste heat by heat pump heat pump techniques and enters therrmodynamic system, now by following
Ring water residual heat pump, so that corresponding low plus steam extraction steam continues the acting in steam turbine and is converted into power output, due to heat pump
Major heat derive from exterior recirculated water outlet waste heat, the generating efficiency of unit can be improved, and pass through recirculated water
It is effectively compressed utilization, realizes recycling for recirculated water, guarantees that energy recovery efficiency is high, the operation is stable.
The utility model optimizes the therrmodynamic system in thermal power plant the utility model has the advantages that the utility model structure is simple,
And then energy loss is reduced, generating efficiency is improved, the generating efficiency of unit can be improved, and benefit is effectively compressed by recirculated water
With realizing recycling for recirculated water, guarantee that energy recovery efficiency is high, the operation is stable.
Detailed description of the invention:
FIG. 1 is a schematic structural view of the utility model.
Specific embodiment:
In order to make those skilled in the art more fully understand the technical solution of the utility model, below with reference to embodiment pair
The utility model is described further:
A kind of thermal power generation heat circulation system device includes condenser 1, and the condenser 1 passes through circulating water pipe 2
It is connected with oxygen-eliminating device 3, the circulating water pipe 2 is equipped with multiple groups low-pressure heater 4, and low-pressure heater 4 described in multiple groups is distinguished
It is connected with heat pump 5, one end of the circulating water pipe 2 is equipped with condensate pump 6, and the condensate pump 6 is connected to condenser 1,
Be connected with water circulation unit 7 on the circulating water pipe 2, the water circulation unit 7 include circulating water pool 71, water pump 72,
Water-circulating pipe 73, the circulating water pool 71 are connect with condensate pump 6, and the water pump 72 is set to circulating water pool 71 and condenser
Between 1, the circulating water pool 71 is connect by water-circulating pipe 73 with the both ends of circulating water pipe 2 and the water-circulating pipe 73
It is respectively equipped with throttle valve on both ends, the hydraulic turbine 74, compressor 75, the recirculated water are respectively equipped on the water-circulating pipe 73
It is equipped with throttle valve 76 between pond 71 and the hydraulic turbine, is connected on pipeline and pipeline between the compressor 75 and circulating water pool 71
Equipped with throttle valve 77, the hydraulic turbine 74 passes through water pipe with one end water-circulating pipe 73 for connecting circulating water pool 71, circulating water pipe 2
It connects and water pipe is equipped with throttle valve 78.
Preferably, the group number of low-pressure heater 4 described in multiple groups is 5 groups, and realizing reasonably optimizing drop can emission reduction.
Preferably, the compressor 75 is rotary compressor, compressor connection coaxial with the hydraulic turbine.
Preferably, the pipe diameter range of the circulating water pipe 2 is 300-1500mm.
By taking 600MW grades of units of certain power plant as an example, the thermal procession with regard to Fig. 1 is calculated.Circulating water flow is 28800t/h,
It is 30-40 DEG C (30 DEG C of winter, 40 DEG C of summer) that recirculated water, which returns tower (outlet) temperature, if passing through the heat of 1 DEG C of heat pump absorption cycle water
Amount recycles heat-setting water, i.e. Q1=28800*103(kg/h) * 4.2kJ/ (㎏ DEG C) * 1 DEG C=120960*103kJ/h。
In addition heat pump compressor input power is Q2=Q1/ 4, condensed water can be made (by average of the whole year flow 1010-30 (low-pressure heater and drainage pump stream
Amount)=980t/h calculating) about 36 DEG C of temperature promotion, power generation of doing work in steam turbine can be continued by the steam of heat pump pumping；It follows
The outlet heat loss of ring water accounts for about the 36% of total input heat, and cyclical level samming is upgraded to 15 DEG C, the heat of 1 DEG C of recycling subtracts
The 6.67% of few recirculated water thermal loss, and then improve unit thermal efficiency of cycle；Another angle analysis, by steam turbine and its condensation
Water heating procedure regards a closed system as, and the heating of circulating water afterheat heat pump is regarded as external energy source, excludes heat
It pumps in the system of compressor outside power consumption, is Q by the heat that circulating water afterheat heat pump enters system circulation1* 80%=96768*
103KJ/h is about the calorific value of 3.3 tons of standard coals after conversion, i.e., can theoretically save 3.3 tons of standard coals per hour.
It is above that certain exemplary embodiments of the utility model are only described by way of explanation, undoubtedly, for
Those skilled in the art can be with a variety of different modes to institute without departing from the scope of the utility model
The embodiment of description is modified.Therefore, above-mentioned attached drawing and description are regarded as illustrative in nature, and should not be construed as practical to this
The limitation of novel claims.
Claims (4)
1. a kind of thermal power generation heat circulation system device, it is characterised in that: include condenser, the condenser is by following
Ring water pipe is connected with oxygen-eliminating device, and the circulating water pipe is equipped with multiple groups low-pressure heater, low-pressure heater described in multiple groups point
It is not connected with heat pump, one end of the circulating water pipe is equipped with condensate pump, and the condensate pump is connected to condenser, described
Circulating water pipe on be connected with water circulation unit, the water circulation unit includes circulating water pool, water pump, water-circulating pipe, institute
The circulating water pool stated is connect with condensate pump, and the water pump is set between circulating water pool and condenser, the circulating water pool
It is described by being respectively equipped with throttle valve on the both ends of the connection of the both ends of water-circulating pipe and circulating water pipe and the water-circulating pipe
It is respectively equipped with the hydraulic turbine, compressor on water-circulating pipe, throttle valve, the pressure are equipped between the circulating water pool and the hydraulic turbine
Be connected with pipeline and pipeline between contracting machine and circulating water pool and be equipped with throttle valve, the hydraulic turbine with connect circulating water pool, follow
One end water-circulating pipe of ring water pipe is connected by water pipe and water pipe is equipped with throttle valve.
2. a kind of thermal power generation heat circulation system device according to claim 1, it is characterised in that: low described in multiple groups
The group number for pressing heater is 5 groups.
3. a kind of thermal power generation heat circulation system device according to claim 1, it is characterised in that: the compressor
For rotary compressor, compressor connection coaxial with the hydraulic turbine.
4. a kind of thermal power generation heat circulation system device according to claim 1, it is characterised in that: the recirculated water
The pipe diameter range of pipe is 300-1500mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820710730.4U CN208186317U (en) | 2018-05-11 | 2018-05-11 | A kind of thermal power generation heat circulation system device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820710730.4U CN208186317U (en) | 2018-05-11 | 2018-05-11 | A kind of thermal power generation heat circulation system device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208186317U true CN208186317U (en) | 2018-12-04 |
Family
ID=64430139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820710730.4U Expired - Fee Related CN208186317U (en) | 2018-05-11 | 2018-05-11 | A kind of thermal power generation heat circulation system device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208186317U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112197610A (en) * | 2019-11-11 | 2021-01-08 | 江苏方天电力技术有限公司 | Primary frequency modulation composite control system of coal-fired unit and working method thereof |
-
2018
- 2018-05-11 CN CN201820710730.4U patent/CN208186317U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112197610A (en) * | 2019-11-11 | 2021-01-08 | 江苏方天电力技术有限公司 | Primary frequency modulation composite control system of coal-fired unit and working method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181204 |