CN204554783U - A kind of exhaust steam of electric power plant re-use device - Google Patents
A kind of exhaust steam of electric power plant re-use device Download PDFInfo
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- CN204554783U CN204554783U CN201520206566.XU CN201520206566U CN204554783U CN 204554783 U CN204554783 U CN 204554783U CN 201520206566 U CN201520206566 U CN 201520206566U CN 204554783 U CN204554783 U CN 204554783U
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Abstract
A kind of exhaust steam of electric power plant re-use device, belongs to power plant for energy conservation and utilizes equipment technical field, reclaims for the exhaust steam produced pressure oxygen-eliminating device, continuous sewage-discharge volum expander for boiler.Its technical scheme is: pressure oxygen-eliminating device is connected with the vapor interface of jet model mixing heating unit respectively by exhaust steam conveyance conduit with continuous sewage-discharge volum expander for boiler, essence desalted water pipeline is connected with the inlet flange of two jet model mixing heating units respectively, the outlet of two jet model mixing heating units is connected respectively by the drain tank of hot water pipeline with band Liquid level, and the drain tank outlet of band Liquid level is connected with condensing water conduit by pipeline.The exhaust steam that the utility model produces in achieving and running the pressure oxygen-eliminating device of existing power plant and continuous sewage-discharge volum expander for boiler is recycled, decrease thermal loss, stop exhaust steam noise pollution, there is the advantages such as occupation of land is little, small investment, instant effect, operating cost are low, regular job convenient management, have significant economic benefit and social benefit.
Description
Technical field
The present invention relates to a kind of exhaust steam of electric power plant re-use device, belong to power plant for energy conservation equipment technical field.
Background technology
At present, deoxygenation exhaust steam and continuous blowdown system of boiler exhaust steam can be produced in power plant's running.
First, in power plant's running, 0.6 ~ 0.8MPa steam is needed to pass into oxygen-eliminating device heated feed water, in heating process, on the water surface, the partial pressure of steam increases gradually, and the partial pressure of other gas reduces gradually, and the gas in water isolates with regard to constantly dividing from water, the exhaust steam of 0.2 a large amount of ~ 0.3Mpa to air discharge, causes amount of heat to lose and noise pollution by deoxygenation head electrically operated valve.
Secondly, in order to ensure the stove water quality of boiler, be in operation and need continuously stove water maximum for salt concentration in drum to be discharged, after discharge stove water enters continuous sewage-discharge volum expander for boiler, the exhaust steam of isolating 0.2 a large amount of ~ 0.3Mpa through dilatation step-down enters air, causes amount of heat to lose and noise pollution.
The pressure of the part exhaust steam (wet saturated steam) that above-mentioned deoxygenation exhaust steam and continuous blowdown system of boiler produce is low, generally 0.2 ~ 0.3MPa can only be reached, and water content is large, in order to ensure deaerating effect and boiler water quality, all be discharged in the middle of air, cause amount of heat to lose and noise pollution.
In order to the exhaust steam that oxygen-eliminating device and continuous blowdown system of boiler can be made to produce is recycled, avoid amount of heat to lose and noise pollution, it is very necessary for developing a kind of exhaust steam of electric power plant recycling treatment facility.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of exhaust steam of electric power plant re-use device, a large amount of exhaust steam to sky discharge that oxygen-eliminating device and continuous blowdown system of boiler can produce by this device are recycled, amount of heat is avoided to lose, improve the economic benefit of enterprise, stop the noise pollution of discharging exhaust steam generation simultaneously.
The technical scheme solved the problems of the technologies described above
A kind of exhaust steam of electric power plant re-use device, it comprises the drain tank of band Liquid level, two jet model mixing heating units, pressure oxygen-eliminating device is connected with the vapor interface of jet model mixing heating unit respectively by exhaust steam conveyance conduit with continuous sewage-discharge volum expander for boiler, essence desalted water pipeline is connected with the inlet flange of two jet model mixing heating units respectively, the outlet of two jet model mixing heating units is connected respectively by the drain tank of hot water pipeline with band Liquid level, drain tank outlet with Liquid level is connected with freq uency conversion supercharging pump, freq uency conversion supercharging pump is connected with condensing water conduit by pipeline.
Above-mentioned exhaust steam of electric power plant re-use device, is separately installed with exhaust steam check (non-return) valve 7, exhaust steam thermometer 8, exhaust steam electrically operated valve 9, sky is diffused to electrically operated valve 13, exhaust steam recovery channel safety valve 14, exhaust steam reclaim electrically operated valve 15 in the exhaust steam conveyance conduit that described pressure oxygen-eliminating device, continuous sewage-discharge volum expander for boiler are connected with jet model mixing heating unit.
Above-mentioned exhaust steam of electric power plant re-use device, installs the manual total valve 1 of smart desalted water, thermometer 2, Pressure gauge 3, feed-regulating valve 4 respectively, feeds water electrically operated valve 5 in the inlet flange connecting pipe of described smart desalted water pipeline and two jet model mixing heating units.
Above-mentioned exhaust steam of electric power plant re-use device, the outlet of described two jet model mixing heating units is separately installed with jet model mixing heating unit outlet electric valve door 10, jet model mixing heating unit delivery gauge 11, jet model mixing heating unit outlet temperature 12 with the hot water pipeline being with the drain tank of Liquid level to be connected.
Above-mentioned exhaust steam of electric power plant re-use device, the drain tank of described band Liquid level exports in the pipeline be connected with condensing water conduit and is provided with electronic total valve 17, booster pump outlet check (non-return) valve 18, freq uency conversion supercharging pump 19, booster pump import electrically operated valve 20.
The beneficial effects of the utility model are:
Pressure oxygen-eliminating device of the present utility model is connected with the vapor interface of jet model mixing heating unit respectively by exhaust steam conveyance conduit with continuous sewage-discharge volum expander for boiler, essence desalted water absorbs the heat of exhaust steam in jet model mixing heating unit, and hot water is transported in the drain tank of band Liquid level through the outlet of jet model mixing heating unit and recycles.The exhaust steam that the utility model produces in achieving and running the pressure oxygen-eliminating device of existing power plant and continuous sewage-discharge volum expander for boiler is recycled, and decreases thermal loss, stops exhaust steam noise pollution.The utility model friction, noiselessness, not corrosion, flow at high speed, less scaling, fault-free longtime running can be ensured, also have simultaneously take up an area little, small investment, instant effect, the advantage such as that transformation is implemented is convenient, operating cost is low, regular job convenient management, in the industry, have very large application value.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure, mark is as follows: the manual total valve 1 of smart desalted water, thermometer 2, Pressure gauge 3, feed-regulating valve 4, feedwater electrically operated valve 5, jet model mixing heating unit 6, exhaust steam check (non-return) valve 7, exhaust steam thermometer 8, exhaust steam electrically operated valve 9, jet model mixing heating unit outlet electric valve door 10, jet model mixing heating unit delivery gauge 11, jet model mixing heating unit outlet temperature 12, electrically operated valve 13 is diffused to sky, exhaust steam recovery channel safety valve 14, electrically operated valve 15 is reclaimed in exhaust steam, pressure oxygen-eliminating device 16, electronic total valve 17, booster pump outlet check (non-return) valve 18, freq uency conversion supercharging pump 19, booster pump import electrically operated valve 20, drain tank 21 with Liquid level, continuous sewage-discharge volum expander for boiler 22, exhaust steam conveyance conduit 23, essence desalted water pipeline 24, hot water pipeline 25, condensing water conduit 26.
Detailed description of the invention
Structure of the present utility model comprises two parts, respectively pressure oxygen-eliminating device 16 is connected by the vapor interface of exhaust steam conveyance conduit 23 with jet model mixing heating unit 6 with the exhaust steam of continuous sewage-discharge volum expander for boiler 22, essence desalted water absorbs the heat of exhaust steam in jet model mixing heating unit 6, hot water is transported in the drain tank 21 of band Liquid level through the outlet of jet model mixing heating unit 6 and recycles, and reaches the object making full use of exhaust steam, reduce thermal loss, reduce noise.
Show in figure, pressure oxygen-eliminating device 16 is connected respectively by the vapor interface of exhaust steam conveyance conduit 23 with jet model mixing heating unit 6 with continuous sewage-discharge volum expander for boiler 22, essence desalted water pipeline 24 is connected with the inlet flange of two jet model mixing heating units 6 respectively, and the outlet of two jet model mixing heating units 6 is connected respectively by the drain tank 21 of hot water pipeline 25 with band Liquid level.The parts such as jet model mixing heating unit 6 is chewed by housing, single spraying, mixing tube form, when being passed through nozzle by heating liquid, forming certain low pressure at its trunnion place, thus exhaust steam is pumped into, with mix further through mixing tube together with heating liquid, to reach the object of heating.Be heated to the liquid (t >=150 DEG C) requiring temperature, then flow out from jet model mixing heating unit 6 port of export.
Show in figure, drain tank 21 outlet of band Liquid level is connected with freq uency conversion supercharging pump 19, and freq uency conversion supercharging pump 19 is connected with condensing water conduit 26 by pipeline.
Show in figure, in the exhaust steam conveyance conduit 23 that pressure oxygen-eliminating device 16, continuous sewage-discharge volum expander for boiler 22 are connected with jet model mixing heating unit 6, be separately installed with exhaust steam check (non-return) valve 7, exhaust steam thermometer 8, exhaust steam electrically operated valve 9, sky diffused to electrically operated valve 13, exhaust steam recovery channel safety valve 14, exhaust steam reclaim electrically operated valve 15.Pressure oxygen-eliminating device 16, continuous sewage-discharge volum expander for boiler 22 are in operation the exhaust steam produced, and reclaim electrically operated valve 15 by exhaust steam and regulate, exhaust steam by exhaust steam electrically operated valve 9 and check (non-return) valve 7, enters jet model mixing heating unit 6 under negative pressure sucks.
Show in figure, the manual total valve 1 of smart desalted water, thermometer 2, Pressure gauge 3, feed-regulating valve 4 are installed in the inlet flange connecting pipe of smart desalted water pipeline and two jet model mixing heating units respectively, feed water electrically operated valve 5.Essence desalted water is through the manual total valve 1 of import, detect through thermometer 2 and Pressure gauge 3 and pressure regulated variable is provided, feed-regulating valve 4 automatically adjusts according to pressure signal and flow signal, through the feedwater electrically operated valve 5 of standard-sized sheet, enters jet model mixing heating unit 6.
Show in figure, the outlet of two jet model mixing heating units 6 is separately installed with jet model mixing heating unit outlet electric valve door 10, jet model mixing heating unit delivery gauge 11, jet model mixing heating unit outlet temperature 12 with the hot water pipeline 25 being with the drain tank 21 of Liquid level to be connected.The outlet of two jet model mixing heating units 6 is heated smart desalted water through electrically operated valve 11, concentrates and flows into hot water pipeline 25, enters the drain tank 21 of band Liquid level.
Show in figure, the drain tank 21 of band Liquid level exports in the pipeline be connected with condensing water conduit 26 and is provided with electronic total valve 17, booster pump outlet check (non-return) valve 18, freq uency conversion supercharging pump 19, booster pump import electrically operated valve 20.By the smart desalted water that heats under drain tank 21 automatic control of band Liquid level, by freq uency conversion supercharging pump 19, be connected with original condensing water conduit 26, the water of t >=150 DEG C directly enters condensing water conduit 26 deoxygenation, improve feed temperature, decrease deoxygenation and use quantity of steam, reduce energy consumption.
Show in figure, when exhaust steam can not be reclaimed or when exhaust steam pressure reaches setting height, diffuse electrically operated valve 13 to sky will automatically open, or safety valve 14 take-off automatically, and feed-regulating valve 4 cuts out automatically, freq uency conversion supercharging pump 19 stops, accomplish online halted state, on pressure oxygen-eliminating device 16, continuous sewage-discharge volum expander for boiler 22 outlet pressure without impact, when electric malfunctioning time, have mechanical discharge valve automatic exhausting.
The course of work of the present utility model is as follows:
A. pressure oxygen-eliminating device 16, continuous sewage-discharge volum expander for boiler 22 are in operation the exhaust steam produced, and by opening exhaust steam electrically operated valve 9, closing and diffusing electrically operated valve 13 to sky, build pressure sends into jet model mixing heating unit 6 in 0.2 ~ 0.3MPa exhaust steam.
B. the exhaust steam of pressure oxygen-eliminating device 16, continuous sewage-discharge volum expander for boiler 22 generation, by the vapor interface Flange joint of exhaust steam conveyance conduit 23 with jet model mixing heating unit 6, normal temperature essence desalted water pipeline 24 is connected with the suction flange of jet model mixing heating unit 6.
C. when being passed through the nozzle of jet model mixing heating unit 6 by the smart desalted water of heating, certain low pressure is formed at its trunnion place, thus the exhaust steam that pressure oxygen-eliminating device 16, continuous sewage-discharge volum expander for boiler 22 produce is pumped into, mix further through mixing tube, to reach the object of heating with being heated together with smart desalted water.Essence desalted water is heated to the liquid requiring temperature (t >=150 DEG C), then flow out from jet model mixing heating unit 6 port of export, concentrates and flows into hot water pipeline 25.
D. concentrated inflow hot water pipeline 25 is sent into the drain tank 21 of band Liquid level, automatic control is carried out according to height of liquid level, when liquid level sharply increases, opening another freq uency conversion supercharging pump 19 increases the water yield to pressure oxygen-eliminating device 16, and the water of feeding enters boiler by pressure oxygen-eliminating device 16 and uses.
E. when exhaust steam of electric power plant recovery system vapour is abnormal, exhaust steam of electric power plant recovery system is out of service, and exhaust steam electrically operated valve 9 is closed, and pressure interlock starts, and diffuse electrically operated valve 13 to sky and open, exhaust steam enters air.
F., when pressure oxygen-eliminating device 16, continuous sewage-discharge volum expander for boiler 22 pressure raise, exhaust steam recovery channel safety valve 14 starts, and exhaust steam is proceeded to normally to enter air and diffuse; Chain online shutdown is reclaimed in exhaust steam, close exhaust steam and reclaim electrically operated valve 15, close the manual total valve 1 of smart desalted water, dead steam recovery system is stopped transport automatically, freq uency conversion supercharging pump 19 is during constantly running, and the water level in device is measured automatically by level measurement device, when water level is higher than setting value, automatic increase freq uency conversion supercharging pump 19 increases the amount of sending outside, by hot water pipeline 25, smart for heat desalted water is sent into pressure oxygen-eliminating device 16 automatically; When water level back to zero, automatically stop the freq uency conversion supercharging pump 19 increased, keep a freq uency conversion supercharging pump 19 normally to run.
Claims (5)
1. an exhaust steam of electric power plant re-use device, it is characterized in that: it comprises the drain tank (21) of band Liquid level, two jet model mixing heating units (6), pressure oxygen-eliminating device (16) is connected respectively by the vapor interface of exhaust steam conveyance conduit (23) with jet model mixing heating unit (6) with continuous sewage-discharge volum expander for boiler (22), essence desalted water pipeline (24) is connected with the inlet flange of two jet model mixing heating units (6) respectively, the outlet of two jet model mixing heating units (6) is connected respectively by the drain tank (21) of hot water pipeline (25) with band Liquid level, drain tank (21) outlet with Liquid level is connected with freq uency conversion supercharging pump (19), freq uency conversion supercharging pump (19) is connected with condensing water conduit (26) by pipeline.
2. exhaust steam of electric power plant re-use device according to claim 1, is characterized in that: be separately installed with exhaust steam check (non-return) valve (7), exhaust steam thermometer (8), exhaust steam electrically operated valve (9) in the exhaust steam conveyance conduit (23) that described pressure oxygen-eliminating device (16), continuous sewage-discharge volum expander for boiler (22) are connected with jet model mixing heating unit (6), sky diffused to electrically operated valve (13), exhaust steam recovery channel safety valve (14), exhaust steam reclaim electrically operated valve (15).
3. exhaust steam of electric power plant re-use device according to claim 2, is characterized in that: install the manual total valve of smart desalted water (1), thermometer (2), Pressure gauge (3), feed-regulating valve (4) respectively in the inlet flange connecting pipe of described smart desalted water pipeline (24) and two jet model mixing heating units (6), feed water electrically operated valve (5).
4. exhaust steam of electric power plant re-use device according to claim 3, is characterized in that: the outlet of described two jet model mixing heating units (6) is separately installed with jet model mixing heating unit outlet electric valve door (10), jet model mixing heating unit delivery gauge (11), jet model mixing heating unit outlet temperature (12) with the hot water pipeline (25) being with the drain tank (21) of Liquid level to be connected.
5. exhaust steam of electric power plant re-use device according to claim 4, is characterized in that: the drain tank (21) of described band Liquid level exports in the pipeline be connected with condensing water conduit (26) and is provided with electronic total valve (17), booster pump outlet check (non-return) valve (18), freq uency conversion supercharging pump (19), booster pump import electrically operated valve (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520206566.XU CN204554783U (en) | 2015-04-08 | 2015-04-08 | A kind of exhaust steam of electric power plant re-use device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520206566.XU CN204554783U (en) | 2015-04-08 | 2015-04-08 | A kind of exhaust steam of electric power plant re-use device |
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| CN204554783U true CN204554783U (en) | 2015-08-12 |
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| CN201520206566.XU Expired - Fee Related CN204554783U (en) | 2015-04-08 | 2015-04-08 | A kind of exhaust steam of electric power plant re-use device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106369588A (en) * | 2016-08-30 | 2017-02-01 | 江苏太湖锅炉股份有限公司 | Gas-fired boiler |
| CN106606916A (en) * | 2015-10-26 | 2017-05-03 | 安徽华尔泰化工股份有限公司 | Sulfur melting steam recovery and utilization apparatus |
| CN107270275A (en) * | 2017-07-21 | 2017-10-20 | 袁雄俊 | A kind of energy-saving flash vessel disappears white system |
| CN108507367A (en) * | 2018-04-04 | 2018-09-07 | 山西省工业设备安装集团有限公司 | A kind of exhaust steam of electric power plant reuse means |
| CN108662574A (en) * | 2018-05-07 | 2018-10-16 | 山东胜星化工有限公司 | A kind of control system of steam exhaust recovering device |
| CN112539406A (en) * | 2020-12-07 | 2021-03-23 | 江苏中伟机械制造有限公司 | A discharge flash tank for power plant discharges sewage |
-
2015
- 2015-04-08 CN CN201520206566.XU patent/CN204554783U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106606916A (en) * | 2015-10-26 | 2017-05-03 | 安徽华尔泰化工股份有限公司 | Sulfur melting steam recovery and utilization apparatus |
| CN106369588A (en) * | 2016-08-30 | 2017-02-01 | 江苏太湖锅炉股份有限公司 | Gas-fired boiler |
| CN106369588B (en) * | 2016-08-30 | 2019-02-15 | 江苏太湖锅炉股份有限公司 | Gas fired-boiler |
| CN107270275A (en) * | 2017-07-21 | 2017-10-20 | 袁雄俊 | A kind of energy-saving flash vessel disappears white system |
| CN108507367A (en) * | 2018-04-04 | 2018-09-07 | 山西省工业设备安装集团有限公司 | A kind of exhaust steam of electric power plant reuse means |
| CN108662574A (en) * | 2018-05-07 | 2018-10-16 | 山东胜星化工有限公司 | A kind of control system of steam exhaust recovering device |
| CN112539406A (en) * | 2020-12-07 | 2021-03-23 | 江苏中伟机械制造有限公司 | A discharge flash tank for power plant discharges sewage |
| CN112539406B (en) * | 2020-12-07 | 2023-12-19 | 江苏中伟机械制造有限公司 | Discharge expander for discharging sewage of power plant |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150812 Termination date: 20180408 |
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| CF01 | Termination of patent right due to non-payment of annual fee |