CN101571281B - Recycling system for exhaust steam of electric power plant - Google Patents
Recycling system for exhaust steam of electric power plant Download PDFInfo
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- CN101571281B CN101571281B CN2008100496800A CN200810049680A CN101571281B CN 101571281 B CN101571281 B CN 101571281B CN 2008100496800 A CN2008100496800 A CN 2008100496800A CN 200810049680 A CN200810049680 A CN 200810049680A CN 101571281 B CN101571281 B CN 101571281B
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- exhaust steam
- inlet pipe
- condenser
- compressor
- water
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Abstract
The invention relates to a recycling system for the exhaust steam of an electric power plant, comprising an exhaust steam evaporator, a compressor and a condenser. Medium pipelines are respectively arranged among and communicated with the exhaust steam evaporator, the compressor and the condenser, an expansion valve is mounted on a medium pipeline between the exhaust steam evaporator and the condenser and connected with a temperature-measuring point on a medium pipeline mounted between the exhaust steam evaporator and the compressor by a capillary tube, and the exhaust steam evaporator is provided with and communicated with an exhaust steam inlet pipe and a condensing water outlet pipe; the condenser is provided with and communicated with a water inlet pipe and a boiler water-replenishing pipeline, and the water inlet pipe is communicated with the condensing water outlet pipe on the exhaust steam evaporator and provided with a pressurized water pump; the exhaust steam inlet pipe is provided with an electric adjusting valve, and a control cabinet connected with a power line is connected with the compressor, the expansion valve and the electric adjusting valve by a control line and apower line pencil. The system has simple structure, convenient mounting and small floor area, can fully utilize heat and moisture brought by the exhaust steam, saves energy sources and water sources and can not bring environmental pollution.
Description
Technical field
The utility model belongs to raw material and waste heat recovery utilizes system again; Relate in particular to exhaust steam of electric power plant recycling system.
Background technology
Can produce a large amount of low-pressure steams (exhaust steam) in the power generation process, it is present wherein to comprise a large amount of heats, power plant adopts the method for water-cooled condensation that it is carried out condensation to these exhaust steam on the one hand, condensed heat is brought water-cooling tower into by cooling water, under the driving of dry air, rely on evaporation of water that heat is wherein taken away, and heat is entered in the atmosphere; Also need to replenish a certain amount of water for keeping stable operation of the boiler on the other hand, the water that is about to enter boiler is carried out preheating for additional water temperature being met the requirements and needing from the steam pipework of generating, draw a large amount of steam.This process has not only been wasted lot of energy but also environment has been caused thermal pollution; Because the exhaust steam condenser system of using need take very large-area soil now, therefore occupied large stretch of good farmland.
Summary of the invention
The objective of the invention is to: provide a kind of and be convenient to install, easy to use, floor space is little, free from environmental pollution, save the energy, exhaust steam of electric power plant can be become the exhaust steam recycling system of boiler water-filling.
The present invention seeks to be achieved through the following technical solutions: this exhaust steam of electric power plant recycling system, comprise exhaust steam evaporimeter, compressor and condenser, the medium pipeline that is communicated with them is arranged between exhaust steam evaporimeter, compressor and the condenser, expansion valve is contained on the medium pipeline between exhaust steam evaporimeter and the condenser, and it is connected with point for measuring temperature on the medium pipeline that is contained between exhaust steam evaporimeter and the compressor by capillary again; The exhaust steam inlet pipe and the condensed water outlet pipe that are communicated with it are arranged on the exhaust steam evaporimeter, the water inlet pipe and the boiler replenishing water pipeline that are communicated with it are arranged on the condenser, water inlet pipe is connected with condensed water outlet pipe on the exhaust steam evaporimeter, and pressure pump is housed on the water inlet pipe; On the exhaust steam inlet pipe electric control valve is housed; The switch board that links to each other with power line is connected with compressor, expansion valve, electric control valve by control line and power supply wire harness.
The pipeline of surging is housed on the water inlet pipe.
Be equipped with on the exhaust steam inlet pipe and add water inlet pipe, this adds on the exhaust steam inlet pipe that water inlet pipe is contained in electric control valve import one side.
Be equipped with on the exhaust steam inlet pipe and add water inlet pipe, on the condenser water inlet pipe pipeline of surging is housed.
This exhaust steam of electric power plant recycling system, formed by their medium pipeline of exhaust steam evaporimeter, compressor, condenser and connection, exhaust steam inlet pipe and condensed water outlet pipe, water inlet pipe and boiler replenishing water pipeline, the whole system structure is very simple, therefore is convenient to install, and floor space is also very little; The utility model is that the exhaust steam that power plant steam turbine is discharged directly enters this system evaporator, become condensed water, and the exhaust steam heat that is extracted in the evaporimeter enters condenser after promoting through compressor, the condensed water that is come out by evaporimeter simultaneously also enters condenser, and is heated at this and to become the water with uniform temperature and replenish in the boiler.Heat and moisture content that this system takes exhaust steam out of make full use of, and have both saved the energy and water resource, also can not bring environmental pollution.
Description of drawings
Fig. 1 is the structural representation of embodiment 1;
Fig. 2 is the structural representation of embodiment 2;
Fig. 3 is the structural representation of embodiment 3;
Fig. 4 is the structural representation of embodiment 4.
The specific embodiment
Embodiment 1:
A kind of exhaust steam of electric power plant recycling system comprises exhaust steam evaporimeter 1, compressor 2 and condenser 3.Between exhaust steam evaporimeter 1 and the compressor 2 medium pipeline 5 that they are communicated with is arranged, between compressor 2 and the condenser 3 medium pipeline 6 that they are connected is arranged, between condenser 3 and the exhaust steam evaporimeter 1 medium pipeline 8 that they are connected is arranged.On the medium pipeline 8 between condenser 3 and the exhaust steam evaporimeter 1 electric expansion valve 4 is housed, electric expansion valve 4 is connected with point for measuring temperature 7 on the medium pipeline 5 that is contained between exhaust steam evaporimeter 1 and the compressor 2 by capillary 17; The exhaust steam inlet pipe 11 and the condensed water outlet pipe 14a that are communicated with it are arranged on the exhaust steam evaporimeter 1, the water inlet pipe 14 and the boiler replenishing water pipeline 16 that are connected with it are arranged on the condenser 3, water inlet pipe 14 on the condenser 3 is connected with condensed water outlet pipe 14a on the exhaust steam evaporimeter 1, and boiler replenishing water pipeline 16 is connected with boiler.Electric control valve 9 is housed on the exhaust steam inlet pipe 11, pressure pump 18 is housed on the water inlet pipe 14; The switch board 10 that links to each other with power line 13 is connected with electric control valve with compressor 2, expansion valve 4 respectively by control line and power supply wire harness 12.It is other that switch board 10 can be installed on compressor 2, also can select suitable installation site.Be filled with an amount of F in the medium pipeline
123Or other compressed media.
Be that exhaust steam is directly entered this system evaporator in the present embodiment, become condensed water, and the exhaust steam heat that is extracted in the evaporimeter enters condenser after promoting through compressor, the condensed water that is come out by evaporimeter simultaneously also enters condenser, and becoming water by being heated with uniform temperature at this, these water enter in the boiler water as a supplement by the boiler replenishing water pipeline that is communicated with condenser then.
Embodiment 2: the structure of present embodiment is close with embodiment 1, just with water inlet pipe 14 that condenser 3 is connected on be communicated with the pipeline 15 of surging again, other structures are identical with embodiment 1.
Embodiment 3: the structure of present embodiment is close with embodiment 1, just with exhaust steam inlet pipe 11 that exhaust steam evaporimeter 1 is connected on be communicated with one and add water inlet pipe 15a, and this adds on the exhaust steam inlet pipe 11 that water inlet pipe 15a is contained in electric control valve 9 imports one side.
Other structures are identical with embodiment 1.
Embodiment 4: present embodiment be with exhaust steam inlet pipe 11 that exhaust steam evaporimeter 1 is connected on be communicated with one and add water inlet pipe 15a, this adds on the exhaust steam inlet pipe 11 that water inlet pipe 15a is contained in electric control valve 9 imports one side.With water inlet pipe 14 that condenser 3 is connected on be communicated with the pipeline 15 of surging, other structures are identical with embodiment 1.
The water that embodiment 2 can increase need be sent into water inlet pipe 14 from the pipeline 15 of surging, and allows them enter condenser 3 together and heats, and then enters in the boiler water as a supplement by the boiler replenishing water pipeline 16 that is communicated with condenser 3.
Embodiment 3 sends into the water that need increase in the exhaust steam inlet pipe 11 from adding water inlet pipe 15a, these water enter exhaust steam evaporator condensation water outlet pipe 14a jointly through exhaust steam evaporimeter 1 and condensed water, enter in the condenser 3 through the water inlet pipe 14 that is connected with condenser 3 again, heat the back and enter in the boiler water as a supplement from the boiler replenishing water pipeline 16 that is communicated with condenser 3.
Embodiment 4 sends into water inlet pipe 14 with the water that need increase from the pipeline 15 of surging, and also the water that need increase can be sent in the exhaust steam inlet pipe 11 from adding water inlet pipe 15a simultaneously, and they enter in the boiler water as a supplement jointly after condenser 3 heats up.Add water inlet pipe 15a though in the version of embodiment 4, there is the pipeline 15 of surging to also have one, also can only use one of them as required.
For neat appearance, the member in the native system can be assemblied in the cabinet.
Claims (4)
1. exhaust steam of electric power plant recycling system, comprise exhaust steam evaporimeter, compressor and condenser, it is characterized in that: the medium pipeline that is communicated with them is arranged between exhaust steam evaporimeter, compressor and the condenser, expansion valve is contained on the medium pipeline between exhaust steam evaporimeter and the condenser, and it is connected with point for measuring temperature on the medium pipeline that is contained between exhaust steam evaporimeter and the compressor by capillary again; The exhaust steam inlet pipe and the condensed water outlet pipe that are communicated with it are arranged on the exhaust steam evaporimeter, the water inlet pipe and the boiler replenishing water pipeline that are communicated with it are arranged on the condenser, water inlet pipe is connected with condensed water outlet pipe on the exhaust steam evaporimeter, and pressure pump is housed on the water inlet pipe; On the exhaust steam inlet pipe electric control valve is housed; The switch board that links to each other with power line is connected with compressor, expansion valve, electric control valve by control line and power supply wire harness.
2. exhaust steam of electric power plant recycling according to claim 1 system is characterized in that: the pipeline of surging is housed on the water inlet pipe.
3. exhaust steam of electric power plant recycling according to claim 1 system is characterized in that: be equipped with on the exhaust steam inlet pipe and add water inlet pipe, this adds on the exhaust steam inlet pipe that water inlet pipe is contained in electric control valve import one side.
4. exhaust steam of electric power plant recycling according to claim 1 and 2 system is characterized in that: be equipped with on the exhaust steam inlet pipe and add water inlet pipe, on the condenser water inlet pipe pipeline of surging is housed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100496800A CN101571281B (en) | 2008-04-30 | 2008-04-30 | Recycling system for exhaust steam of electric power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100496800A CN101571281B (en) | 2008-04-30 | 2008-04-30 | Recycling system for exhaust steam of electric power plant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101571281A CN101571281A (en) | 2009-11-04 |
| CN101571281B true CN101571281B (en) | 2011-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100496800A Expired - Fee Related CN101571281B (en) | 2008-04-30 | 2008-04-30 | Recycling system for exhaust steam of electric power plant |
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| CN (1) | CN101571281B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102393150A (en) * | 2011-08-11 | 2012-03-28 | 福建大源节能环保科技有限公司 | Steam-turbine condensing system and control method thereof |
| CN102817652A (en) * | 2012-06-11 | 2012-12-12 | 大连葆光节能空调设备厂 | Method for improving coal-fired efficiency of power plant by absorption heat pump |
| CN102896657B (en) * | 2012-08-02 | 2014-11-26 | 北京印刷学院 | Waste gas recycling device of gas-liquid pressurizing die cutting machine |
| CN103629085A (en) * | 2013-12-03 | 2014-03-12 | 山东威普斯橡胶股份有限公司 | Waste steam pressurizing and recovering equipment for thermal power plant |
| CN105240063B (en) * | 2015-10-24 | 2016-11-30 | 大连福佳·大化石油化工有限公司 | Dead steam recovery system |
| CN107345658B (en) * | 2017-07-21 | 2019-05-17 | 西安巨杉能源技术有限公司 | A kind of device for making steam exhaust be converted into condensed water based on refrigeration modes |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1019894C (en) * | 1989-08-21 | 1993-02-10 | 邓永林 | Refrigerating device with thermo-expansion valve as throttle controller |
| CN2508166Y (en) * | 2001-09-26 | 2002-08-28 | 张力 | Air conditioning hot-water apparatus |
| CN1967055A (en) * | 2006-08-25 | 2007-05-23 | 李华玉 | Backheating and heating technology by using residual heat of exhaust steam in steam power cycle |
| CN201199102Y (en) * | 2008-04-30 | 2009-02-25 | 陈万仁 | Power plant exhaust steam recovery recycling system |
-
2008
- 2008-04-30 CN CN2008100496800A patent/CN101571281B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1019894C (en) * | 1989-08-21 | 1993-02-10 | 邓永林 | Refrigerating device with thermo-expansion valve as throttle controller |
| CN2508166Y (en) * | 2001-09-26 | 2002-08-28 | 张力 | Air conditioning hot-water apparatus |
| CN1967055A (en) * | 2006-08-25 | 2007-05-23 | 李华玉 | Backheating and heating technology by using residual heat of exhaust steam in steam power cycle |
| CN201199102Y (en) * | 2008-04-30 | 2009-02-25 | 陈万仁 | Power plant exhaust steam recovery recycling system |
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| CN101571281A (en) | 2009-11-04 |
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Application publication date: 20091104 Assignee: Henan Ruibang Environmental Technology Co. Ltd. Assignor: Chen Wanren Contract record no.: 2014410000042 Denomination of invention: Recycling system for exhaust steam of electric power plant Granted publication date: 20110413 License type: Exclusive License Record date: 20140512 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110413 Termination date: 20170430 |