CN103499089A - Exhaust steam recycling heating device for waste heat power generation deaerator - Google Patents
Exhaust steam recycling heating device for waste heat power generation deaerator Download PDFInfo
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- CN103499089A CN103499089A CN201310443323.3A CN201310443323A CN103499089A CN 103499089 A CN103499089 A CN 103499089A CN 201310443323 A CN201310443323 A CN 201310443323A CN 103499089 A CN103499089 A CN 103499089A
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- deaerator
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Abstract
The invention discloses an exhaust steam recycling heating device for a waste heat power generation deaerator, belongs to a waste heat recycling device, and particularly relates to a device for recycling waste heat of a boiler deaerator. The device comprises the deaerator, the deaerator is connected with a steam pipeline through a deaerator air inlet valve with a steam flow meter, and a deaerating exhaust pipe with a valve is arranged on the top of the deaerator. The device is characterized in that a deaerator exhaust pipeline which is connected with the lower portion of a disc steam-water mixing heater is arranged below the valve of the deaerating exhaust pipe, the upper portion of the disc steam-water mixing heater is connected with a desalted water pipeline provided with a desalted water inlet valve for the heater, a non-condensable gas exhaust pipe is arranged on the top of the disc steam-water mixing heater, a pipeline connected with a drainage tank is arranged at the bottom of the disc steam-water mixing heater, and a drainage pipe provided with a drainage pump is arranged on the drainage tank and connected with the deaerator. A water level gauge is arranged on the deaerator. The exhaust steam recycling heating device is simple in structure, after exhaust steam is recycled, hot water enters the deaerator without affecting the deaerating effect, and the exhaust steam recycling heating device is easy to operate and remarkable in economic benefits.
Description
Technical field
The invention belongs to waste-heat recovery device, especially for the device of boiler feed waste heat recovery.
Background technology
The boiler heating power oxygen-eliminating device, after passing into steam and carrying out deoxygenation, has a large amount of flash steams emptying, has not only wasted the energy but also environment is impacted.
Usually to adopt the draw gas jet model mixing heating unit of mode of jetting be main equipment to the thermal deaerator exhaust recovery system, and the user can be connected it easily with oxygen-eliminating device, flash steam is reclaimed.But the heated feedwater of this surface heater can not reach the saturation temperature under steam pressure, make its heat-economy lower than contact(-type) heater.
Summary of the invention
In order to overcome the poor deficiency of existing oxygen-eliminating device exhaust recovery system heat-economy, the invention provides a kind of cogeneration deaerator exhaust and reclaim heater.
The technical solution adopted for the present invention to solve the technical problems is: a kind of cogeneration deaerator exhaust reclaims heater, comprise oxygen-eliminating device, oxygen-eliminating device connects jet chimney by the oxygen-eliminating device air intake valve with steam-flow meter, the oxygen-eliminating device top is equipped with and is with valvular deoxygenation blast pipe, it is characterized in that: the valve of described deoxygenation blast pipe below be provided with connect disc type steam-water injection bottom the oxygen-eliminating device discharge duct, the top of disc type steam-water injection connects the demineralized water pipeline of dressing having heaters with the demineralized water water intaking valve, disc type steam-water injection top is provided with the fixed gas delivery pipe, bottom is provided with the pipeline that connects drain tank, drain tank is provided with the drain pipe that drainage pump is installed and is connected with oxygen-eliminating device.Described oxygen-eliminating device is provided with water-level gauge.
Described disc type steam-water injection bottom is provided with water-level gauge.
Described drain pipe is connected to oxygen-eliminating device top after converging with the demineralized water inlet valve that flowmeter is housed.
The described water level that is positioned at disc type steam-water injection bottom is counted the fluid level transmitter be connected with the intelligent display controller.
The present invention adopts trickle disc type steam-water injection, demineralized water enters hybrid heater, after the steam discharge absorption is mixed, is heated, and in heating process, incondensable gas is discharged by the top automatic exhaust valve, hot water flows out to water tank from bottom, with variable frequency pump, squeezes into oxygen-eliminating device.This process reclaims in the heater device and remains certain liquid level, to guarantee to reclaim in heater, stable pressure is arranged, and on-condensible gas is discharged fully, reclaims the work that heater can be stable.Liquid level by the fluid level transmitter signal transmission to intelligent display instrument control system.Reclaim hybrid heater and the moisturizing temperature can be increased to 50 ℃～60 ℃, can heat moisturizing and take full advantage of exhaust steam.Thereby the moisturizing temperature that has improved oxygen-eliminating device also is equivalent to save the steam turbine steam consumption and also is equivalent to save raw coal.
1, reclaiming steam discharge calculates:
0.8t/h * 8000h/ * 80 yuan/ten thousand yuan of t=51.2
Remarks: the separate unit steam discharge is about 0.8t/h, and 80 yuan/t(of steam price estimates) whole year operation press 8000h/ calculating.
2, reclaiming condensed water calculates:
0.8t/h * 8000h/ * 5 yuan/ten thousand yuan/year of t=3.2
Remarks: condensed water calculates by 5 yuan/t, and operation is pressed 8000h/ and calculated.
3, the consumption that increases electric power: press pump name plate rating (maximum estimation) 8KW and calculate
8KW * 0.4 yuan/KWh * 8000h/=2.56 ten thousand yuan/year
Remarks: station service is by 0.4 yuan/degree
4, maintenance expense: estimate for 1.5 ten thousand/year
5, year saving:
51.2 ten thousand yuan of (increase power consumption) ten thousand yuan/year of-1.5 ten thousand yuan of (maintenance expense)=50.34, yuan (condensed water)-2.56, ten thousand yuan of (steam discharge)+3.2 ten thousand (separate unit oxygen-eliminating device)
It is cost-saving that the separate unit oxygen-eliminating device is equivalent to day: 50.34 ten thousand yuan of ÷ 333=1512 units
According to calculating less than half a year with regard to recyclable investment.
Correctional effect
1. to have a volume little for the steam-water mixture heater product, and price is honest and clean, small investment.Well below domestic surface heater investment.
2. organic efficiency is high, the demineralized water temperature rise can be improved to 50～60 degree, recovered steam utilization rate 100%.
3. the advanced technology vibrations are little, and noise is low.
4. simple in structure, less scaling, non-maintaining, long service life.
5. the saving energy, protected environment.
6. operate steadily and all meet the indices requirement.
The invention has the beneficial effects as follows that this exhaust gas recovery device for deaerator is simple in structure, reliable, practical in production needs, and after reclaiming, hot water advances oxygen-eliminating device does not affect deaerating effect, easy operating, remarkable in economical benefits.The waste heat produced in power generation is effectively reclaimed, both improved energy utilization rate, reduce production costs, again can protection of the environment, reach effect energy-saving and cost-reducing, that reduce discharging.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention,
In figure, 1. oxygen-eliminating device air intake valve, 2. oxygen-eliminating device, 3. deoxygenation blast pipe, 4. demineralized water inlet valve, 5. oxygen-eliminating device discharge duct, 6. heater demineralized water water intaking valve, 7. fixed gas delivery pipe, 8. disc type steam-water injection, 9. water-level gauge, 10. drain pipe, 11. drainage pump, 12 waste-heat recovery devices, especially for the device of boiler feed waste heat recovery.Drain tank, 13. demineralized water pipelines.
The specific embodiment
The specific embodiment of the present invention is, as shown in the figure:
Embodiment 1, a kind of cogeneration deaerator exhaust reclaims heater, comprise oxygen-eliminating device 2, oxygen-eliminating device connects jet chimney by the oxygen-eliminating device air intake valve 1 with steam-flow meter, the oxygen-eliminating device top is equipped with and is with valvular deoxygenation blast pipe 3, it is characterized in that: the valve of described deoxygenation blast pipe below be provided with connect disc type steam-water injection 8 bottoms oxygen-eliminating device discharge duct 5, the top of disc type steam-water injection connects the demineralized water pipeline 13 of dressing having heaters with demineralized water water intaking valve 6, disc type steam-water injection top is provided with fixed gas delivery pipe 7, bottom is provided with the pipeline that connects drain tank 12, drain tank is provided with the drain pipe 10 that drainage pump 11 is installed and is connected with oxygen-eliminating device.Described oxygen-eliminating device is provided with water-level gauge 9.
Described disc type steam-water injection bottom is provided with water-level gauge.
Embodiment 2, a kind of cogeneration deaerator exhaust reclaims heater, comprise oxygen-eliminating device 2, oxygen-eliminating device connects jet chimney by the oxygen-eliminating device air intake valve 1 with steam-flow meter, the oxygen-eliminating device top is equipped with and is with valvular deoxygenation blast pipe 3, it is characterized in that: the valve of described deoxygenation blast pipe below be provided with connect disc type steam-water injection 8 bottoms oxygen-eliminating device discharge duct 5, the top of disc type steam-water injection connects the demineralized water pipeline 13 of dressing having heaters with demineralized water water intaking valve 6, disc type steam-water injection top is provided with fixed gas delivery pipe 7, bottom is provided with the pipeline that connects drain tank 12, drain tank is provided with the drain pipe 10 that drainage pump 11 is installed and is connected with oxygen-eliminating device.Described oxygen-eliminating device is provided with water-level gauge 9.
Described disc type steam-water injection bottom is provided with water-level gauge.
Described drain pipe is connected to oxygen-eliminating device top after converging with the demineralized water inlet valve 4 that flowmeter is housed.
The described water level that is positioned at disc type steam-water injection bottom is counted the fluid level transmitter be connected with the intelligent display controller.
Claims (5)
1. a cogeneration deaerator exhaust reclaims heater, comprise oxygen-eliminating device, oxygen-eliminating device connects jet chimney by the oxygen-eliminating device air intake valve with steam-flow meter, the oxygen-eliminating device top is equipped with and is with valvular deoxygenation blast pipe, it is characterized in that: the valve of described deoxygenation blast pipe below be provided with connect disc type steam-water injection bottom the oxygen-eliminating device discharge duct, the top of disc type steam-water injection connects the demineralized water pipeline of dressing having heaters with the demineralized water water intaking valve, disc type steam-water injection top is provided with the fixed gas delivery pipe, bottom is provided with the pipeline that connects drain tank, drain tank is provided with the drain pipe that drainage pump is installed and is connected with oxygen-eliminating device.
2. cogeneration deaerator exhaust according to claim 1 reclaims heater, and it is characterized in that: described oxygen-eliminating device is provided with water-level gauge.
3. cogeneration deaerator exhaust according to claim 1 reclaims heater, and it is characterized in that: described disc type steam-water injection bottom is provided with water-level gauge.
4. cogeneration deaerator exhaust according to claim 1 reclaims heater, it is characterized in that: described drain pipe is connected to oxygen-eliminating device top after converging with the demineralized water inlet valve that flowmeter is housed.
5. cogeneration deaerator exhaust according to claim 3 reclaims heater, and it is characterized in that: the described water level that is positioned at disc type steam-water injection bottom is counted the fluid level transmitter be connected with the intelligent display controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310443323.3A CN103499089A (en) | 2013-09-25 | 2013-09-25 | Exhaust steam recycling heating device for waste heat power generation deaerator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310443323.3A CN103499089A (en) | 2013-09-25 | 2013-09-25 | Exhaust steam recycling heating device for waste heat power generation deaerator |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104089274A (en) * | 2014-06-13 | 2014-10-08 | 江苏巴威节能服务有限公司 | Deoxidized exhaust steam condensing device for mixed recovery of condensate water and desalted water |
| CN104089273A (en) * | 2014-06-13 | 2014-10-08 | 江苏巴威节能服务有限公司 | Buffer tank for mixed recovery of condensate water and desalted water as well as deoxidized exhaust steam condensing device |
| CN104089275A (en) * | 2014-06-13 | 2014-10-08 | 江苏巴威节能服务有限公司 | Two-stage deoxidizing device for indirect heat exchange of condensate water and desalted water |
| CN104089271A (en) * | 2014-06-13 | 2014-10-08 | 江苏巴威节能服务有限公司 | One-stage deoxidizing device for indirect heat-exchange forcible mixed exhaust steam recovery of condensate water and desalted water |
| CN105402717A (en) * | 2015-11-30 | 2016-03-16 | 江苏海祥环保工程有限公司 | Water-jetting vacuum deaerator |
| CN106439783A (en) * | 2016-10-17 | 2017-02-22 | 北京京诚科林环保科技有限公司 | Heat energy efficient utilization system capable of heating fan heater while recycling dead steam of deoxygenization plant |
| 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 |
| CN107062195A (en) * | 2017-05-24 | 2017-08-18 | 广东理文造纸有限公司 | Oxygen-eliminating device draining residual neat recovering system |
| CN114754348A (en) * | 2022-04-20 | 2022-07-15 | 金能科技股份有限公司 | Vacuum deoxidization system |
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| CN203478197U (en) * | 2013-09-25 | 2014-03-12 | 济南澳海炭素有限公司 | Exhaust steam recycling and heating device for waste heat power generation deaerator |
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| RU2209376C1 (en) * | 2002-02-15 | 2003-07-27 | Ульяновский государственный технический университет | Boiler aggregate operation method |
| CN2551868Y (en) * | 2002-08-07 | 2003-05-21 | 泰安市利德容器制造有限公司 | Exhausting cooler |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104089274A (en) * | 2014-06-13 | 2014-10-08 | 江苏巴威节能服务有限公司 | Deoxidized exhaust steam condensing device for mixed recovery of condensate water and desalted water |
| CN104089273A (en) * | 2014-06-13 | 2014-10-08 | 江苏巴威节能服务有限公司 | Buffer tank for mixed recovery of condensate water and desalted water as well as deoxidized exhaust steam condensing device |
| CN104089275A (en) * | 2014-06-13 | 2014-10-08 | 江苏巴威节能服务有限公司 | Two-stage deoxidizing device for indirect heat exchange of condensate water and desalted water |
| CN104089271A (en) * | 2014-06-13 | 2014-10-08 | 江苏巴威节能服务有限公司 | One-stage deoxidizing device for indirect heat-exchange forcible mixed exhaust steam recovery of condensate water and desalted water |
| CN104089275B (en) * | 2014-06-13 | 2015-10-07 | 江苏巴威工程技术股份有限公司 | Condensed water demineralized water indirect heat exchange secondary deaerating plant |
| CN104089271B (en) * | 2014-06-13 | 2016-01-27 | 江苏巴威工程技术股份有限公司 | One-level deaerating plant is reclaimed in the exhaust steam of condensed water demineralized water indirect heat exchange Forced Mixing |
| CN104089274B (en) * | 2014-06-13 | 2016-01-27 | 江苏巴威工程技术股份有限公司 | Deoxygenation exhaust steam condensing unit is reclaimed in the mixing of condensed water demineralized water |
| 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 |
| CN105402717A (en) * | 2015-11-30 | 2016-03-16 | 江苏海祥环保工程有限公司 | Water-jetting vacuum deaerator |
| CN106439783A (en) * | 2016-10-17 | 2017-02-22 | 北京京诚科林环保科技有限公司 | Heat energy efficient utilization system capable of heating fan heater while recycling dead steam of deoxygenization plant |
| CN107062195A (en) * | 2017-05-24 | 2017-08-18 | 广东理文造纸有限公司 | Oxygen-eliminating device draining residual neat recovering system |
| CN114754348A (en) * | 2022-04-20 | 2022-07-15 | 金能科技股份有限公司 | Vacuum deoxidization system |
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Application publication date: 20140108 |