CN105737231A - Novel heat supply network water replenishing system - Google Patents
Novel heat supply network water replenishing system Download PDFInfo
- Publication number
- CN105737231A CN105737231A CN201610276623.0A CN201610276623A CN105737231A CN 105737231 A CN105737231 A CN 105737231A CN 201610276623 A CN201610276623 A CN 201610276623A CN 105737231 A CN105737231 A CN 105737231A
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- CN
- China
- Prior art keywords
- supply network
- heat supply
- water
- heat exchangers
- district heating
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- F24D1/00—Steam central heating systems
- F24D1/08—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks
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- 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
- F24D19/00—Details
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Steam Or Hot-Water Central Heating Systems (AREA)
Abstract
The invention relates to a heat supply network water replenishing system for thermal power plants, in particular to a novel heat supply network water replenishing system. The system comprises high-tension heat supply network heaters and low-tension heat supply network heaters, and the high-tension heat supply network heaters and the low-tension heat supply network heaters are in parallel arrangement. Heating steam pipelines are connected to the high-tension heat supply network heaters and the low-tension heat supply network heaters respectively, two branches are connected to each of the high-tension heat supply network heaters and the low-tension heat supply network heaters, every two branches are merged into respective main pipes and then connected into a circulating water forebay and a water replenishing pump respectively, and the water replenishing pump receives water from a chemical water replenishing pipeline which is boosted through the water replenishing pump prior to merging into a heat supply network circulating water return pipeline. Compared with the prior art, the heat supply network water replenishing system has the advantages that heat supply network emergency drain water or heat supply network flushing water can serve as replenished water to be recovered to the heat supply network circulating water pipeline, and accordingly maintenance cost in abnormal operation period of the heaters and in commissioning test of the thermal power plants can be reduced.
Description
Technical field
The present invention relates to the Make-up Water for Heating System of Thermal Power Station, be specially a kind of novel Make-up Water for Heating System.
Background technology
The Make-up Water for Heating System of conventional design adopts plant area's chemical tendering water to be supplemented to Gateway Station in Heating Network oxygen-eliminating device mostly, delivers to heat supply network water return pipeline before circulation pump of heat-supply network after small pump boosts.Before accident moisturizing is connected to small pump inlet gate valve from plant area's industrial water system.This conventional system needs a large amount of to system water supplement in heat network system initial start stage, and initial start stage draws gas the hydrophobic hydrophobic heat being immediately discharged to cooling tower forebay or trench rinsing heat exchangers for district heating and water quality causes very big energy waste simultaneously.
Summary of the invention
The technical problem to be solved in the present invention is: existing Make-up Water for Heating System, when accident moisturizing, causes great energy waste, for solving the problems referred to above, it is provided that a kind of novel Make-up Water for Heating System.
It is an object of the invention to realize in the following manner:
A kind of novel Make-up Water for Heating System, including the high pressure heat exchangers for district heating being arranged in parallel and low pressure heat exchangers for district heating, high pressure heat exchangers for district heating and low pressure heat exchangers for district heating are all connected to heating jet chimney, high pressure heat exchangers for district heating and low pressure heat exchangers for district heating are all connected to two arms, two arms are respectively connected to circulating water front pond and small pump after importing respective female pipe, and small pump receives from changing the water that water moisturizing pipeline comes simultaneously, after small pump boosts, import heat supply network recirculated water water return pipeline.
High pressure heat exchangers for district heating and low pressure heat exchangers for district heating are all connected to heat supply network water return pipeline and heat supply network hot water pipeline.
High pressure heat exchangers for district heating and low pressure heat exchangers for district heating all arrange at least one.
Relative to prior art, the present invention is capable of that heat supply network is promptly hydrophobic or heat supply network flushing water is recycled to heat supply network circulating water pipeline as moisturizing, it is possible to reduce power plant's Start-up and Adjustment and the maintenance cost during heater abnormal running.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram.
Wherein, 1 is high pressure heat exchangers for district heating；2 is low pressure heat exchangers for district heating；3 is small pump；4 is heating jet chimney I；5 is heating jet chimney II；6 is emergent drain pipeline I；7 is emergent drain pipeline II；8 is arm I；9 is arm II；10 is female pipe I；11 is female pipe II；12 being water moisturizing pipelines；13 is arm III；14 is arm IV；15 is heat supply network recirculated water water return pipeline；16 are off valve；17 is non-return valve；18 is electric gate valve；21 is heat supply network water return pipeline；22 is heat supply network water supply line.
Detailed description of the invention
Transforming example as with 300MW unit heat supply, each emergent drain pipeline of 1,2 low pressure heat exchangers for district heatings 2 of 4 high pressure heat exchangers for district heatings of heat supply network heat supply initial station picks out a road arm.Each arm converges to female pipe and is connected to heat supply network small pump inlet stop valve preceding pipeline by non-return valve 17, as shown in Figure 1.
A kind of novel Make-up Water for Heating System, including high pressure heat exchangers for district heating 1, low pressure heat exchangers for district heating 2, heating jet chimney I 4, small pump 3, heating jet chimney 4 is connected with high pressure heat exchangers for district heating 1 by electric butterfly valve, heating jet chimney II 5 is connected with low pressure heat exchangers for district heating 2 by electric butterfly valve, change water moisturizing pipeline 12 is divided into 2 road arms III 13 and is connected with small pump 3 by non-return valve 17, is converged to heat supply network recirculated water water return pipeline 15 to heat network system moisturizing by arm IV 14 after boosting.Being designed with heat supply network water return pipeline 21 and heat supply network water supply line 22 in high and low pressure heat exchangers for district heating, the emergent drain pipeline I 6 of high pressure heat exchangers for district heating and low pressure heat exchangers for district heating and emergent drain pipeline II 7 remittance receive circulating water front pond to female pipe I 10.Converge to female pipe II 11 from drawing arm I 8 and arm II 9 before the electric gate valve 18 emergent drain pipeline I 6 and emergent drain pipeline II 7 respectively through stop valve 16, on non-return valve 17 receiving water moisturizing pipeline 12.
Make-up Water for Heating System after optimization has following basic function: includes the equipment such as small pump 3, high and low pressure heat exchangers for district heating, is connected to heat supply network recirculated water water return pipeline by adnexaes such as pipelines.
1) heat exchangers for district heating flushing water
Utilize initial start stage to draw gas and rinse the hydrophobic of heat exchangers for district heating, provide moisturizing to heat supply network circulating backwater system, the hydrophobic heat and water quality that originally drained into cooling tower forebay or trench can be reclaimed completely, it is to avoid waste.Normal drain water piping is switched to after heat exchangers for district heating drain water quality is qualified.
2) heat supply network circulating cooling make-up water
When certain heat exchangers for district heating booster needs emergency blowoff, this part is promptly hydrophobic accesses heat supply network recirculated water water return pipeline through small pump, supplements water as heat supply network, it is achieved the recovery of water quality and heat.
Claims (3)
1. a novel Make-up Water for Heating System, it is characterized in that: include the high pressure heat exchangers for district heating and the low pressure heat exchangers for district heating that are arranged in parallel, high pressure heat exchangers for district heating and low pressure heat exchangers for district heating are all connected to heating jet chimney, high pressure heat exchangers for district heating and low pressure heat exchangers for district heating are all connected to two arms, after two arms import respective female pipe, it is respectively connected to circulating water front pond and small pump, small pump receives from changing the water that water moisturizing pipeline comes simultaneously, after small pump boosts, import heat supply network recirculated water water return pipeline.
2. the novel Make-up Water for Heating System of one according to claim 1, it is characterised in that: high pressure heat exchangers for district heating and be all connected to heat supply network water return pipeline and heat supply network hot water pipeline on low pressure heat exchangers for district heating.
3. the novel Make-up Water for Heating System of one according to claim 1, it is characterised in that: high pressure heat exchangers for district heating and low pressure heat exchangers for district heating all arrange at least one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610276623.0A CN105737231A (en) | 2016-04-29 | 2016-04-29 | Novel heat supply network water replenishing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610276623.0A CN105737231A (en) | 2016-04-29 | 2016-04-29 | Novel heat supply network water replenishing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105737231A true CN105737231A (en) | 2016-07-06 |
Family
ID=56288662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610276623.0A Pending CN105737231A (en) | 2016-04-29 | 2016-04-29 | Novel heat supply network water replenishing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105737231A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113606646A (en) * | 2021-07-07 | 2021-11-05 | 华电电力科学研究院有限公司 | Automatic control system and method for drainage recovery of heat supply network |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101025343A (en) * | 2006-02-21 | 2007-08-29 | 许建壮 | Generating plant circulation-water electrothermal combined production and air-cooling spraying combined cooling system |
| CN202065018U (en) * | 2011-05-27 | 2011-12-07 | 北京创时能源有限公司 | Water-drainage recycling water-saving system during starting up of circulating water waste heat recycling utilization system |
| CN204438284U (en) * | 2014-12-30 | 2015-07-01 | 华电郑州机械设计研究院有限公司 | A kind of thermal power plant heating system |
| CN105423398A (en) * | 2015-12-29 | 2016-03-23 | 华电郑州机械设计研究院有限公司 | Novel series heating network drainage system |
| CN205606699U (en) * | 2016-04-29 | 2016-09-28 | 华电郑州机械设计研究院有限公司 | Novel heat supply network water charging system |
-
2016
- 2016-04-29 CN CN201610276623.0A patent/CN105737231A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101025343A (en) * | 2006-02-21 | 2007-08-29 | 许建壮 | Generating plant circulation-water electrothermal combined production and air-cooling spraying combined cooling system |
| CN202065018U (en) * | 2011-05-27 | 2011-12-07 | 北京创时能源有限公司 | Water-drainage recycling water-saving system during starting up of circulating water waste heat recycling utilization system |
| CN204438284U (en) * | 2014-12-30 | 2015-07-01 | 华电郑州机械设计研究院有限公司 | A kind of thermal power plant heating system |
| CN105423398A (en) * | 2015-12-29 | 2016-03-23 | 华电郑州机械设计研究院有限公司 | Novel series heating network drainage system |
| CN205606699U (en) * | 2016-04-29 | 2016-09-28 | 华电郑州机械设计研究院有限公司 | Novel heat supply network water charging system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113606646A (en) * | 2021-07-07 | 2021-11-05 | 华电电力科学研究院有限公司 | Automatic control system and method for drainage recovery of heat supply network |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160706 |
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| RJ01 | Rejection of invention patent application after publication |