CN206683276U - A kind of absorption type heat pump heat distribution system that driving vapour source is adjusted using injector - Google Patents
A kind of absorption type heat pump heat distribution system that driving vapour source is adjusted using injector Download PDFInfo
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- CN206683276U CN206683276U CN201720321134.2U CN201720321134U CN206683276U CN 206683276 U CN206683276 U CN 206683276U CN 201720321134 U CN201720321134 U CN 201720321134U CN 206683276 U CN206683276 U CN 206683276U
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- heat pump
- heat
- steam
- absorption
- vapour source
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/14—Combined heat and power generation [CHP]
Abstract
The utility model discloses a kind of absorption type heat pump heat distribution system that driving vapour source is adjusted using injector for belonging to cogeneration of heat and power technical field.The system is mainly made up of the part such as boiler, steam turbine, Air-Cooling Island, generator, regenerator, injector, absorption heat pump, feed pump, heat user.For the system during heat supply, the steam for extracting the optimal parameter for meeting heat demand from steam turbine by steam ejector is used as the driving vapour source of absorption heat pump, low-temperature heat source of the low pressure (LP) cylinder steam discharge as absorption heat pump, heats heat supply network recirculated water.The utility model extracts driving vapour source of the steam of different parameters as absorption heat pump in different times, realizes that the ladder of energy utilizes, reduce high-grade capacity loss, improve unit efficiency according to the change of heat demand.
Description
Technical field
The utility model belongs to cogeneration of heat and power field, is related to a kind of absorption heat pump that driving vapour source is adjusted using injector
Heating system.
Background technology
Under national energy-saving emission reduction policy, various energy-conserving and emission-cutting technologies are widely applied, absorption heat pump heat supply technology
A kind of new heat supply process of comparison, its core technology be by the use of substantial amounts of low pressure (LP) cylinder exhausted spare heat as low-temperature heat thermal source,
Extract a small amount of high-quality thermal source to heat heat supply network recirculated water as driving heat source, recycle turbine exhaust heat, reduce cold
Damaged on end loses.
The current relatively common absorption heat pump heat supply mode of domestic thermal power plant unit is directly therefrom on low pressure (LP) cylinder cross over pipe
Draw gas as driving heat source, heated using exhaust steam residual heat, but under different heating demands, the parameter of required driving heat source
Difference, for 300MW and the thermal power plant unit of the above, mesolow parameter of being drawn gas on cylinder communicating pipe is higher（More than 0.4Mpa）, directly
Using drawn gas on mesolow cylinder communicating pipe can cause part high-grade energy loss the problems such as.
In view of this, the utility model proposes a kind of absorption heat pump heat supply system that driving vapour source is adjusted using injector
System, the steam for the optimal parameter for meeting heat demand is extracted as absorption heat pump by using steam ejector from steam turbine
Driving vapour source, low-temperature heat source of the low pressure (LP) cylinder steam discharge as absorption heat pump, so as to reach heating heat supply network recirculated water, reduce Gao Pin
Position energy waste, unit cold source energy is reduced, the effect of unit efficiency is improved, there is important theoretical and practical significance.
The content of the invention
The purpose of this utility model is for current Power Plant during whole heat supply, generally using in directly use
The system drawn gas on low pressure (LP) cylinder cross over pipe as heat source, part high-grade energy loss, unit acting reduction etc. is caused to be asked
Topic；Now propose it is a kind of using injector adjust driving vapour source absorption type heat pump heat distribution system, by using steam ejector from
Driving vapour source of the steam for the optimal parameter for meeting heat demand as absorption heat pump is extracted in steam turbine, reclaims unit exhaust steam
Waste heat, using the external heat supply of absorption heat pump technology, so as to improve unit thermal efficiency of cycle, increase reliability of heat-supply system, economy, ring
Protect and social benefit is notable.
To reach above-mentioned purpose, the utility model employs following technical scheme：
A kind of absorption type heat pump heat distribution system that driving vapour source is adjusted using injector, the system are mainly included：Boiler 1,
Steam turbine high-pressure cylinder 2, Steam Turbine Through IP Admission 3, turbine low pressure cylinder 4, generator 5, Air-Cooling Island 6, oxygen-eliminating device 11, injector 18,
Absorption heat pump 19, heat user 20；Characterized in that, described boiler 1, high pressure cylinder 2, intermediate pressure cylinder 3, low pressure (LP) cylinder 4, generator 5
It is sequentially connected；The steam discharge of low pressure (LP) cylinder 4 divides two-way, is connected all the way by Air-Cooling Island 6 with condensate pump 7, another way and absorption heat pump
19 low-temperature heat source entrance is connected；Condensate passes sequentially through 8, No. six low-pressure heaters 9 of No. seven low-pressure heaters and No. five low pressure
Heater 10 is connected with oxygen-eliminating device 11；Oxygen-eliminating device 11 goes out saliva after the pressurization of feed pump 12, flows successively through No. three high-pressure heaters
13rd, No. two high-pressure heaters 14, No.1 high-pressure heater 15, are finally connected to form circulation loop with boiler 1；Described five take out
Vapour is connected by the first control valve 16 with steam ejector 18, and six sections are drawn gas by the second control valve 17 and the phase of steam ejector 18
Even；Steam ejector 18 is connected with absorption heat pump 19；The high temperature vapour source drain water piping of absorption heat pump 19 is connected with oxygen-eliminating device 11；
Described absorption heat pump 19 circulates water inlet by heat supply network, outlet conduit is connected with heat user 20.
Described steam ejector 18 is drawn gas by five sections of six sections of injections that draw gas, wherein five sections of extraction flows pass through the first control
Valve 16 processed is controlled, and six sections of extraction flows are controlled by the second control valve 17, and mass ratio of induced-to-inducing air can draw gas parameter and mixing according to unit
Pressure is specifically chosen afterwards.
The high temperature driven vapour source of described absorption heat pump 19 comes from 18 mixed steam of steam ejector, its hydrophobic row
Enter oxygen-eliminating device 11；The low temperature vapour source of absorption heat pump 19 comes from the steam discharge of low pressure (LP) cylinder 4, and its is hydrophobic to be discharged into condensing water conduit.
The utility model has advantages below and beneficial effect：By steam ejector, different ginsengs are extracted in different times
Driving vapour source of several steam as absorption heat pump, high-grade capacity loss is reduced, improve unit efficiency；Compared to directly adopting
By the use of being drawn gas on mesolow cylinder cross over pipe as the system of heat source, the utility model only extracts a small amount of high-grade mixed vapour and made
For absorption heat pump driving heat source, recycle a large amount of low pressure (LP) cylinder exhausted spare heats and carry out heat supply, add low pressure (LP) cylinder throttle flow, machine
Group amount of work increase, reduce cold end loss, generatine set heat efficiency increase.
Brief description of the drawings
Fig. 1 is a kind of absorption type heat pump heat distribution system schematic diagram that driving vapour source is adjusted using injector.
In figure：1- boilers；2- high pressure cylinders；3- intermediate pressure cylinders；4- low pressure (LP) cylinders；5- generators；6- Air-Cooling Islands；7- condensate pumps；
No. seven low-pressure regenerators of 8-；No. six low-pressure regenerators of 9-；No. five low-pressure regenerators of 10-；11- oxygen-eliminating devices；12- feed pumps；13- tri-
Number high-pressure extraction device；No. bis- high-pressure extraction devices of 14-；15- No.1 high-pressure extraction devices；16-the first control valves；17-the second control valves；
18-steam ejector；19-absorption heat pump；20-heat user；21-the three control valves.
Embodiment
During utility model works, the optimal ginseng for meeting heat demand is extracted from steam turbine by using steam ejector
Driving vapour source of several steam as absorption heat pump, unit exhaust steam residual heat is reclaimed, so as to improve unit thermal efficiency of cycle, increase
Reliability of heat-supply system, the utility model embodiment is described further below in conjunction with the accompanying drawings.
Fig. 1 is a kind of absorption type heat pump heat distribution system schematic diagram that driving vapour source is adjusted using injector.
A kind of absorption type heat pump heat distribution system that driving vapour source is adjusted using injector, the system are mainly included：Boiler 1,
Steam turbine high-pressure cylinder 2, Steam Turbine Through IP Admission 3, turbine low pressure cylinder 4, generator 5, Air-Cooling Island 6, oxygen-eliminating device 11, injector 18,
Absorption heat pump 19, heat user 20;Characterized in that, described boiler 1, high pressure cylinder 2, intermediate pressure cylinder 3, low pressure (LP) cylinder 4, generator 5
It is sequentially connected；The steam discharge of low pressure (LP) cylinder 4 divides two-way, is connected all the way by Air-Cooling Island 6 with condensate pump 7, another way and absorption heat pump
19 low-temperature heat source entrance is connected；Condensate passes sequentially through 8, No. six low-pressure heaters 9 of No. seven low-pressure heaters and No. five low pressure
Heater 10 is connected with oxygen-eliminating device 11；Oxygen-eliminating device 11 goes out saliva after the pressurization of feed pump 12, flows successively through No. three high-pressure heaters
13rd, No. two high-pressure heaters 14, No.1 high-pressure heater 15, are finally connected to form circulation loop with boiler 1；Described five take out
Vapour is connected by the first control valve 16 with steam ejector 18, and six sections are drawn gas by the second control valve 17 and the phase of steam ejector 18
Even；Steam ejector 18 is connected with absorption heat pump 19；The high temperature vapour source drain water piping of absorption heat pump 19 is connected with oxygen-eliminating device 11；
Described absorption heat pump 19 circulates water inlet by heat supply network, outlet conduit is connected with heat user 20.
A kind of absorption type heat pump heat distribution system that driving vapour source is adjusted using injector, the course of work are：
Unit is between non-heating period, and first, second and third control valve 16,17,21 is closed mode, and the exhaust steam of low pressure (LP) cylinder 4 is all entered
Enter Air-Cooling Island 6；
Unit enters absorption heat pump as low in heat supply period, gradually the 3rd control valve 21 of unlatching, part high back pressure exhaust steam
Warm heat source；The first control valve 16, the second control valve 17 are gradually opened, controls five sections of extraction flows and six sections of extraction flows to enter
Enter to enter after steam ejector 18 mixes absorption heat pump as driving heat source, heat heat supply network recirculated water, heat user 20 is carried out
Heat supply.
It is that those skilled in the art are in the utility model to limitation of the present utility model that above-mentioned embodiment, which is not,
Technical scheme in the range of the variations, modifications, additions or substitutions made, also belong to the scope of protection of the utility model.
Claims (3)
1. a kind of absorption type heat pump heat distribution system that driving vapour source is adjusted using injector, the system are mainly included：Boiler（1）、
Steam turbine high-pressure cylinder（2）, Steam Turbine Through IP Admission（3）, turbine low pressure cylinder（4）, generator（5）, Air-Cooling Island（6）, oxygen-eliminating device
（11）, injector（18）, absorption heat pump（19）, heat user（20）；Characterized in that, described boiler（1）, high pressure cylinder（2）、
Intermediate pressure cylinder（3）, low pressure (LP) cylinder（4）, generator（5）It is sequentially connected；Low pressure (LP) cylinder（4）Steam discharge divides two-way, all the way by Air-Cooling Island（6）With
Condensate pump（7）Connection, another way and absorption heat pump（19）Low-temperature heat source entrance be connected；Condensate pass sequentially through No. seven it is low
Press heater（8）, No. six low-pressure heaters（9）With No. five low-pressure heaters（10）With oxygen-eliminating device（11）It is connected；Oxygen-eliminating device（11）
Go out saliva through feed pump（12）After pressurization, No. three high-pressure heaters are flowed successively through（13）, No. two high-pressure heaters（14）, No.1 it is high
Press heater（15）, finally and boiler（1）It is connected to form circulation loop；Described five draw gas by the first control valve（16）With
Steam ejector（18）It is connected, six sections are drawn gas by the second control valve（17）With steam ejector（18）It is connected；Steam ejector
（18）With absorption heat pump（19）It is connected；Absorption heat pump（19）High temperature vapour source drain water piping and oxygen-eliminating device（11）It is connected；It is described
Absorption heat pump（19）Water inlet, outlet conduit and heat user are circulated by heat supply network（20）It is connected.
2. a kind of absorption type heat pump heat distribution system that driving vapour source is adjusted using injector according to claim 1, its feature
It is, steam ejector（18）Drawn gas by five sections of six sections of injections that draw gas, wherein five sections of extraction flows pass through the first control valve
（16）Control, six sections of extraction flows pass through the second control valve（17）Control, mass ratio of induced-to-inducing air can draw gas parameter and mixing according to unit
Pressure is specifically chosen afterwards.
3. a kind of absorption type heat pump heat distribution system that driving vapour source is adjusted using injector according to claim 1, its feature
It is, absorption heat pump（19）High temperature driven vapour source come from steam ejector（18）Mixed steam, its hydrophobic is discharged into are removed
Oxygen device（11）；Absorption heat pump（19）Low temperature vapour source come from low pressure (LP) cylinder（4）Steam discharge, its is hydrophobic to be discharged into condensing water conduit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720321134.2U CN206683276U (en) | 2017-03-30 | 2017-03-30 | A kind of absorption type heat pump heat distribution system that driving vapour source is adjusted using injector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720321134.2U CN206683276U (en) | 2017-03-30 | 2017-03-30 | A kind of absorption type heat pump heat distribution system that driving vapour source is adjusted using injector |
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| CN206683276U true CN206683276U (en) | 2017-11-28 |
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| CN201720321134.2U Expired - Fee Related CN206683276U (en) | 2017-03-30 | 2017-03-30 | A kind of absorption type heat pump heat distribution system that driving vapour source is adjusted using injector |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108826413A (en) * | 2018-07-13 | 2018-11-16 | 大连亨利测控仪表工程有限公司 | It is a kind of to utilize intelligence injection pressure reducer auxiliary power plant frequency modulation system |
| CN109026855A (en) * | 2018-09-27 | 2018-12-18 | 中国大唐集团科学技术研究院有限公司华中分公司 | Cooperate the enhanced steam ejector system of unit optimization of sliding pressure |
| CN111206969A (en) * | 2018-11-21 | 2020-05-29 | 赫普科技发展（北京）有限公司 | System combining thermal power plant hot press and air separation system and control method |
| CN113899006A (en) * | 2021-11-09 | 2022-01-07 | 东北电力大学 | Heating system for driving heat pump to recover circulating water waste heat by utilizing low-pressure heater and drainage water |
| CN114718916A (en) * | 2022-04-24 | 2022-07-08 | 郭兴军 | Energy-saving gas heating system using steam ejector for steam supply |
| CN114754401A (en) * | 2022-03-11 | 2022-07-15 | 华电电力科学研究院有限公司 | Cogeneration system and method with absorption heat pump and steam ejector |
-
2017
- 2017-03-30 CN CN201720321134.2U patent/CN206683276U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108826413A (en) * | 2018-07-13 | 2018-11-16 | 大连亨利测控仪表工程有限公司 | It is a kind of to utilize intelligence injection pressure reducer auxiliary power plant frequency modulation system |
| CN109026855A (en) * | 2018-09-27 | 2018-12-18 | 中国大唐集团科学技术研究院有限公司华中分公司 | Cooperate the enhanced steam ejector system of unit optimization of sliding pressure |
| CN109026855B (en) * | 2018-09-27 | 2024-03-08 | 中国大唐集团科学技术研究院有限公司华中分公司 | Enhanced steam ejector system matched with unit sliding pressure optimization |
| CN111206969A (en) * | 2018-11-21 | 2020-05-29 | 赫普科技发展（北京）有限公司 | System combining thermal power plant hot press and air separation system and control method |
| CN113899006A (en) * | 2021-11-09 | 2022-01-07 | 东北电力大学 | Heating system for driving heat pump to recover circulating water waste heat by utilizing low-pressure heater and drainage water |
| CN114754401A (en) * | 2022-03-11 | 2022-07-15 | 华电电力科学研究院有限公司 | Cogeneration system and method with absorption heat pump and steam ejector |
| CN114718916A (en) * | 2022-04-24 | 2022-07-08 | 郭兴军 | Energy-saving gas heating system using steam ejector for steam supply |
| CN114718916B (en) * | 2022-04-24 | 2023-08-04 | 郭兴军 | Energy-saving gas heating system for supplying steam by using steam injector |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171128 Termination date: 20190330 |
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| CF01 | Termination of patent right due to non-payment of annual fee |