CN110500637A - A kind of Gateway Station in Heating Network system using thermal power plant condenser steam exhaust - Google Patents
A kind of Gateway Station in Heating Network system using thermal power plant condenser steam exhaust Download PDFInfo
- Publication number
- CN110500637A CN110500637A CN201910564742.XA CN201910564742A CN110500637A CN 110500637 A CN110500637 A CN 110500637A CN 201910564742 A CN201910564742 A CN 201910564742A CN 110500637 A CN110500637 A CN 110500637A
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- Prior art keywords
- heat
- supply network
- heating
- district
- gateway station
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 100
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 73
- 238000000605 extraction Methods 0.000 claims abstract description 11
- 238000010521 absorption reaction Methods 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 5
- CUZMQPZYCDIHQL-VCTVXEGHSA-L calcium;(2s)-1-[(2s)-3-[(2r)-2-(cyclohexanecarbonylamino)propanoyl]sulfanyl-2-methylpropanoyl]pyrrolidine-2-carboxylate Chemical compound [Ca+2].N([C@H](C)C(=O)SC[C@@H](C)C(=O)N1[C@@H](CCC1)C([O-])=O)C(=O)C1CCCCC1.N([C@H](C)C(=O)SC[C@@H](C)C(=O)N1[C@@H](CCC1)C([O-])=O)C(=O)C1CCCCC1 CUZMQPZYCDIHQL-VCTVXEGHSA-L 0.000 claims 1
- 230000002209 hydrophobic effect Effects 0.000 claims 1
- 238000005086 pumping Methods 0.000 claims 1
- 239000003643 water by type Substances 0.000 claims 1
- 230000003020 moisturizing effect Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
- F24D3/10—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system
- F24D3/1058—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system disposition of pipes and pipe connections
Abstract
A kind of Gateway Station in Heating Network system using thermal power plant condenser steam exhaust, including Make-up Water for Heating System and Gateway Station in Heating Network；Make-up Water for Heating System includes condenser and condensate pump, and the hot well of condenser connects heat supply network water supply pipe, and condenser connects heat supply network water return pipeline by piping connection condensate pump, the outlet of condensate pump, and heat supply network water return pipeline connects Gateway Station in Heating Network.Gateway Station in Heating Network system of the invention does not set heat supply network oxygen-eliminating device and small pump, the moisturizing of heat supply network water supply pipe is directly mended to condenser hotwell, enter heat supply network water return pipeline after condensate pump boosts, enter Gateway Station in Heating Network by heat supply network water return pipeline, the setting can reduce equipment investment, it avoids the high steam of heat supply network oxygen-eliminating device from consuming, reduces extraction flow of steam.
Description
Technical field
The present invention relates to a kind of Gateway Station in Heating Network system more particularly to a kind of heat supply networks that condenser steam exhaust in thermal power plant utilizes
Initial station system.
Background technique
In recent years, deepening constantly with China's economic system reform, China's economic strength constantly enhance, the life of the people
Horizontal higher and higher, resident's Heating Load is stepped up.However urban heating mainly uses miniature boiler at present.To improve city
City's atmosphere quality, country have put into effect relevant policies in succession, and notice, the people are shut down in the time limit rectification for having assigned civil small-scale boiler
It is shut down in range in rectification mostly with miniature boiler.
Condenser steam exhaust heat extraction loss in thermal power plant is the maximum energy loss of accounting in power plant thermal system, therefore is had
Effect is had a very important significance using the loss of this partial heat.It is first using condenser steam exhaust heating heat supply network moisturizing and conventional heat supply network
It stands in conjunction with progress central heating, in the case where guaranteeing power generating capacity and heat user demand, moreover it is possible to further decrease power plant's confession
Electric standard coal consumption reduces pollutant discharge amount, meets the theme of national energy-saving environmental protection, economic benefit and environmental benefit are significant.
Summary of the invention
The object of the present invention is to provide a kind of Gateway Station in Heating Network systems using thermal power plant condenser steam exhaust, both can be reduced
The equipment investment of heat supply network oxygen-eliminating device and small pump, and can be reduced extraction flow of steam, while can correspondingly increase generated energy, it reaches
To energy conservation, increase effect that is electric, investing less.
The invention adopts the following technical scheme:
A kind of Gateway Station in Heating Network system using thermal power plant condenser steam exhaust, including Make-up Water for Heating System and Gateway Station in Heating Network；
The Make-up Water for Heating System includes condenser and condensate pump, and the hot well of condenser connects heat supply network water supply pipe, and condenser is logical
Piping connection condensate pump is crossed, the outlet of condensate pump connects heat supply network water return pipeline, and heat supply network water return pipeline connects Gateway Station in Heating Network.
The Gateway Station in Heating Network includes the circulation pump of heat-supply network system connecting with heat supply network water return pipeline, with circulation pump of heat-supply network system
The heat exchangers for district heating system of system connection, the draining system being connect with heat exchangers for district heating system；The draining system includes drain tank
And drainage pump；
The circulation pump of heat-supply network system includes that more circulation pump of heat-supply network connecting with heat supply network water return pipeline and one are electronic standby
With water circulating pump, the more circulation pump of heat-supply network and an electronic spare water circulating pump are connected in parallel, every heat supply network recirculated water
Pump provides driving by back pressure turbine；
The heat exchangers for district heating system includes multiple low pressure heat exchangers for district heatings and multiple high pressure heat exchangers for district heatings；Multiple low pressure heat supply networks
The outlet of the cold side heat exchange entrance connection back pressure turbine of heater, the heat release side outlet connection of multiple low pressure heat exchangers for district heatings
Draining system；The heat absorption side entrance of multiple low pressure heat exchangers for district heatings connects more circulation pump of heat-supply network and an electronic spare circulation
The outlet of water pump, the heat absorption side outlet of multiple low pressure heat exchangers for district heatings connect the heat absorption side entrance of multiple high pressure heat exchangers for district heatings,
The heat absorption side outlet of multiple high pressure heat exchangers for district heatings connects heat supply network water supplying pipe；
The draining system includes drain tank, and the entrance of drain tank connects multiple low pressure heat exchangers for district heatings and multiple high pressure heat supply networks add
The heat release side outlet of hot device, the outlet of drain tank connect the drainage pump of multiple parallel connections, and the outlet of drainage pump connects condensing water conduit.
The entrance of the back pressure turbine connects heating extraction line.
The heat release side entrance of the multiple high pressure heat exchangers for district heating connects heating extraction line；Multiple high pressure heat exchangers for district heatings
Heat release side outlet connect drain tank.
The circulation pump of heat-supply network includes four, and low pressure heat exchangers for district heating includes two.
Heat supply network pollution discharging filter is additionally provided between the heat supply network water return pipeline and circulation pump of heat-supply network.
Beneficial effects of the present invention:
Gateway Station in Heating Network system of the invention does not set heat supply network oxygen-eliminating device and small pump, and the moisturizing of heat supply network water supply pipe is directly mended to condenser
Hot well enters heat supply network water return pipeline after condensate pump boosts, enters Gateway Station in Heating Network by heat supply network water return pipeline, which can
Equipment investment is reduced, the high steam of heat supply network oxygen-eliminating device is avoided to consume, reduces extraction flow of steam, and can correspondingly increase hair
Electricity reduces the energy loss of condenser steam exhaust, to achieve the effect that energy saving, increasing electricity, invest less.
Detailed description of the invention
Fig. 1 is conventional thermal power plant principled thermal system figure.
Fig. 2 is system diagram of the invention.
Wherein, 1- condenser；2- condensate pump；3- heat supply network water supply pipe；4- heat supply network return pipe；5- circulation pump of heat-supply network；6-
Back pressure turbine；The electronic spare water circulating pump of 7-；8- low-pressure heater；9- high-pressure heater；10- drain tank；11- drainage pump；
12- condensing water conduit；13- heat supply network water supplying pipe；14- heat supply network pollution discharging filter；15- gland steam heater.
Specific embodiment
Invention is further described in detail with reference to the accompanying drawings and detailed description.
The present invention provides a kind of Gateway Station in Heating Network system using thermal power plant condenser steam exhaust, including Make-up Water for Heating System
And Gateway Station in Heating Network.
Wherein, Make-up Water for Heating System includes condenser 1 and condensate pump 2, and the hot well of condenser 1 connects heat supply network water supply pipe 3,
By piping connection condensate pump 2, the water pumped out is pumped into heat supply network water return pipeline by condensate pump 2 for the hot well outlet of condenser 1
4, heat supply network water return pipeline 4 connects Gateway Station in Heating Network, and Gateway Station in Heating Network no longer sets heat supply network oxygen-eliminating device and small pump.
As shown in Figure 1, Gateway Station in Heating Network includes the circulation pump of heat-supply network system connecting with heat supply network water return pipeline 4, followed with heat supply network
The heat exchangers for district heating system of ring water pump system connection, the draining system being connect with heat exchangers for district heating system；Draining system includes dredging
Water tank 10 and drainage pump 11.
Wherein, circulation pump of heat-supply network system includes more circulation pump of heat-supply network 5 connecting with heat supply network water return pipeline 4 and one
Electric water circulating pump 7, more circulation pump of heat-supply network 5 and an electronic spare water circulating pump 7 are connected in parallel, heat supply network water return pipeline 4
Water heat exchangers for district heating system, every circulation pump of heat-supply network are entered by circulation pump of heat-supply network 5 and electronic spare water circulating pump 7
5 provide driving by back pressure turbine 6；Back pressure turbine 6 is driven by heating steam extraction, i.e. the entrance connection of back pressure turbine 6
Heating extraction line.In system as shown in Figure 2, circulation pump of heat-supply network system includes four circulation pump of heat-supply network 5 and an electricity
Dynamic water circulating pump 7, electronic spare water circulating pump 7 is used as reserve pump, and when circulation pump of heat-supply network is out of order, electricity can be used
Move spare water circulating pump 7.
Above-mentioned circulation pump of heat-supply network 5 is preferably steam-operating water circulating pump.
Heat exchangers for district heating system includes multiple low pressure heat exchangers for district heatings 8 and multiple high pressure heat exchangers for district heatings 9；Multiple low pressure heat
The outlet of the heat release side entrance connection back pressure turbine 6 of net heater 8, the heat release side outlet of multiple low pressure heat exchangers for district heatings 8 connect
Connect draining system；The heat absorption side entrance of multiple low pressure heat exchangers for district heatings 8 connects more circulation pump of heat-supply network 5 and one electronic spare
The outlet of water circulating pump 7, the heat absorption side outlet of multiple low pressure heat exchangers for district heatings 8 connect the heat absorption of multiple high pressure heat exchangers for district heatings 9
The heat absorption side outlet of side entrance, multiple high pressure heat exchangers for district heatings 9 connects heat supply network water supplying pipe 13.
As shown in Fig. 2, there are two low pressure heat exchangers for district heating 8 and four high pressure heat exchangers for district heatings 9 for Gateway Station in Heating Network setting, each
The heat release side entrance of low pressure heat exchangers for district heating 8 is all connected with the outlet of two back pressure turbines 6, and two low pressure heat exchangers for district heatings 8
Cold side inlet duct pass through bypass duct be connected to.The heat release side entrance of four high pressure heat exchangers for district heatings 9 connects heating steam extraction
Pipeline.
Draining system includes drain tank 10, and the entrance of drain tank 10 connects multiple low pressure heat exchangers for district heatings 8 and multiple high pressures
The heat release side outlet of heat exchangers for district heating 9, the outlet of drain tank 10 connect the drainage pump 11 of multiple parallel connections, and the outlet of drainage pump 11 connects
Connect condensing water conduit 12.Drainage pump is arranged 6.
Heat supply network moisturizing after condensate pump 2 of the invention boosts can be by bypass duct and the heat after circulation pump of heat-supply network
After net return water converges, into low-pressure heater.
Existing common filter-heat supply network is additionally provided between heat supply network water return pipeline 4 and circulation pump of heat-supply network 5 of the invention
Pollution discharging filter 14, for being filtered to heat supply network return water.
The heat supply network moisturizing 3 of heat supply network moisturizing pipeline of the invention is directly mended to 1 hot well of condenser, after the boosting of condensate pump 2
Into heat supply network water return pipeline 4, converge with by the heat supply network return water of heat supply network pollution discharging filter 14, through circulation pump of heat-supply network 5 after converging
After go 8 water inlet of low-pressure heater to be heated, 8 water outlet of low-pressure heater removes 9 water inlet of high pressure heat exchangers for district heating, after heating
Municipal heating systems water supplying pipe is drained into, heat supply user uses.
Structure of the invention is reasonable, simple and convenient, realizes the effective use to thermal power plant condenser steam exhaust, have compared with
High value.
In the description of this specification, particular features, structures, materials, or characteristics can be real in any one or more
Applying can be combined in any suitable manner in example or example.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those skilled in the art the invention discloses in the range of, the variation or replacement that can be readily occurred in should all be covered
Within the scope of the present invention.
Claims (6)
1. a kind of Gateway Station in Heating Network system using thermal power plant condenser steam exhaust, it is characterised in that: including Make-up Water for Heating System
And Gateway Station in Heating Network；
The Make-up Water for Heating System includes condenser (1) and condensate pump (2), and the hot well of condenser (1) connects heat supply network water supply pipe
(3), condenser (1) connects heat supply network water return pipeline (4) by piping connection condensate pump (2), the outlet of condensate pump (2), heat
Net water return pipeline (4) connects Gateway Station in Heating Network.
2. a kind of Gateway Station in Heating Network system using thermal power plant condenser steam exhaust according to claim 1, feature exist
In:
The Gateway Station in Heating Network includes the circulation pump of heat-supply network system connecting with heat supply network water return pipeline (4), with circulation pump of heat-supply network system
The heat exchangers for district heating system of system connection, the draining system being connect with heat exchangers for district heating system；The draining system includes drain tank
(10) and drainage pump (11)；
The circulation pump of heat-supply network system includes more circulation pump of heat-supply network (5) He Yitai connecting with heat supply network water return pipeline (4)
Electronic spare water circulating pump (7), the electronic spare water circulating pump (7) of more circulation pump of heat-supply network (5) He Yitai are connected in parallel,
Every circulation pump of heat-supply network (5) provides driving by back pressure turbine (6)；
The heat exchangers for district heating system includes multiple low pressure heat exchangers for district heatings (8) and multiple high pressure heat exchangers for district heatings (9)；It is multiple low
Press the outlet of cold side heat exchange entrance connection back pressure turbine (6) of heat exchangers for district heating (8), multiple low pressure heat exchangers for district heatings (8)
Heat release side outlet connect draining system；The heat absorption side entrance of multiple low pressure heat exchangers for district heatings (8) connects more heat supply network recirculated waters
The outlet of the electronic spare water circulating pump (7) of (5) He Yitai is pumped, the heat absorption side outlet connection of multiple low pressure heat exchangers for district heatings (8) is more
The heat absorption side outlet connection heat supply network of the heat absorption side entrance of a high pressure heat exchangers for district heating (9), multiple high pressure heat exchangers for district heatings (9) supplies water
Pipe；
The draining system includes drain tank (10), and the entrance of drain tank (10) connects multiple low pressure heat exchangers for district heatings (8) and more
The heat release side outlet of a high pressure heat exchangers for district heating (9), the outlet of drain tank (10) connects the drainage pump (11) of multiple parallel connections, hydrophobic
The outlet for pumping (11) connects condensing water conduit (12).
3. a kind of Gateway Station in Heating Network system using thermal power plant condenser steam exhaust according to claim 2, feature exist
In:
The entrance of the back pressure turbine (6) connects heating extraction line.
4. a kind of Gateway Station in Heating Network system using thermal power plant condenser steam exhaust according to claim 2, feature exist
In:
The heat release side entrance of the multiple high pressure heat exchangers for district heating (9) connects heating extraction line；Multiple high pressure heat exchangers for district heatings
(9) heat release side outlet connects drain tank (10).
5. a kind of Gateway Station in Heating Network system using thermal power plant condenser steam exhaust according to claim 2, feature exist
In:
The circulation pump of heat-supply network (5) includes four, and low pressure heat exchangers for district heating (8) includes two.
6. a kind of Gateway Station in Heating Network system using thermal power plant condenser steam exhaust according to claim 2, feature exist
In:
Heat supply network pollution discharging filter (14) are additionally provided between the heat supply network water return pipeline (4) and circulation pump of heat-supply network (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910564742.XA CN110500637A (en) | 2019-06-27 | 2019-06-27 | A kind of Gateway Station in Heating Network system using thermal power plant condenser steam exhaust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910564742.XA CN110500637A (en) | 2019-06-27 | 2019-06-27 | A kind of Gateway Station in Heating Network system using thermal power plant condenser steam exhaust |
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| CN110500637A true CN110500637A (en) | 2019-11-26 |
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|---|---|---|---|---|
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2019
- 2019-06-27 CN CN201910564742.XA patent/CN110500637A/en active Pending
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