CN102269398A - Method and device for recycling steam discharged by boiler - Google Patents
Method and device for recycling steam discharged by boiler Download PDFInfo
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- CN102269398A CN102269398A CN2010101894484A CN201010189448A CN102269398A CN 102269398 A CN102269398 A CN 102269398A CN 2010101894484 A CN2010101894484 A CN 2010101894484A CN 201010189448 A CN201010189448 A CN 201010189448A CN 102269398 A CN102269398 A CN 102269398A
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- boiler
- degassing tank
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Abstract
The invention discloses a method and a device for recycling steam discharged by a boiler. The device comprises a water storage degassing tank and a mixer; the water storage degassing tank is provided with a noncondensable gas discharge outlet and a degassing tank outlet; and the mixer is provided with a pressurization water pump, a mixer steam inlet which is connected with a steam discharge port of an original intermittent/continuous blowdown flash tank of the boiler, and a mixer water inlet which is connected with a water outlet end of the pressurization water pump and a mixer water outlet which is connected with an inlet of the water storage degassing tank. The technical scheme has the advantages that: the method and the device for recycling steam discharged by the boiler are provided; by the method, any safety valve or pressure detection device is not arranged on the whole equipment; pipelines are completely smooth; safe accidents possibly caused by the faults of the safety valve and the pressure detection device are avoided; by the water spraying acceleration and steam heat exchange process, the heat exchange rate is improved; and equipment is simple and reliable and has long service life.
Description
Technical field
The present invention relates to industrial function energy recovery field, be specifically related to a kind of boiler and efflux vapour-recovery unit.
Background technology
In large industrial enterprise, a large amount of Industrial Boilers of day-to-day operation and the power plant/boiler of standing, the a large amount of high-temperature steams discharging in time that is in operation and produces, in order to avoid influence the security of operation of boiler, general at present oxygen-eliminating device, fixed row/fixed/platoon flash vessel and the steam traps etc. of passing through are to airborne release steam, in the time of contaminated environment, also cause the significant wastage of the energy, in addition, also adopt common heat exchanger to carry out energy recovery, but heat exchange efficiency is low, and service life is short, can't reach desirable recovering effect.
Summary of the invention
For addressing the above problem, the object of the present invention is to provide a kind of energy recovery efficient height, the boiler of long service life effluxes vapour-recovery unit.
For achieving the above object, technical scheme of the present invention is: a kind of boiler effluxes vapour-recovery unit, comprise the water storage degassing tank, described water storage degassing tank is provided with on-condensible gas floss hole and degassing tank discharge outlet, also comprise blender, described blender be provided with pressure pump, with boiler original fixed/the blender air intake that platoon flash vessel steam drain is connected, the blender water inlet that is connected with described pressure pump water side, and the blender delivery port that is connected with the inlet of described water storage degassing tank.
Preferably, described blender also is provided with nozzle, and described nozzle is connected with described blender water inlet and places described internal mixer.
Preferably, described nozzle is provided with two inlets and is connected with the blender water inlet with described blender air intake respectively.
Preferably, a kind of in the drainpipe that coagulates pump, chemical workshop that is provided with of the water inlet end of described pressure pump and Steam Turbine and the tap water pipe line or several are connected.
Preferably, the oxygen-eliminating device that is provided with of the discharge outlet of described water storage degassing tank and boiler low adds inlet pipeline, hot water storage tank, domestic hot-water's pipeline, produces a kind of among the hot water line or several are connected.
Preferably, described water storage degassing tank also is provided with high-order overflow pipe.
Preferably, the interior bore of described blender air intake be equal to or greater than described fixed/the interior bore of platoon flash vessel steam drain.
Preferably, the interior bore of described on-condensible gas floss hole be equal to or greater than described fixed/the interior bore of platoon flash vessel steam drain.
A kind of boiler effluxes the Steam Recovery method, may further comprise the steps,
The first step need be arranged steam with boiler and be imported fixed/platoon flash vessel by the flash vessel air intake, and the sewage that condenses is got rid of by fixed/platoon flash vessel bottom discharge mouth, and steam enters blender by the flash vessel steam drain through the blender air intake;
Second step sprayed into blender with cooling water by the blender water inlet, fully mixed with steam and carried out heat exchange, made steam be condensed into water, entered the water storage degassing tank together with on-condensible gas through the blender delivery port;
The 3rd step, condensed water is delivered in hot water user's the pipeline after the pressurization of degassing tank force (forcing) pump through the degassing tank delivery port again, and the on-condensible gas that aqueous vapor is separated in the water storage degassing tank emits through the on-condensible gas floss hole, if the liquid level in the water storage degassing tank surpasses warning line, then get rid of through high-order overflow pipe.
Preferably, second step was to have additional pressure pump between blender water inlet and the cooling water pipeline, internal mixer is set up nozzle, the blender air intake is connected in the throat of nozzle, cooling water is sprayed into blender through the pressurization back by the blender water inlet, the negative pressure of its formation sucks steam from the blender air intake, spray through nozzle 2 together with running water then and enter blender, fully mix with steam and to carry out heat exchange, make steam be condensed into water, enter the water storage degassing tank through the blender delivery port together with on-condensible gas.
Adopt the beneficial effect of the technical program to be: to provide a kind of boiler to efflux Steam Recovery method and retracting device thereof, adopt this method to make entire equipment not establish any safety valve and pressure-detecting device, pipeline is unimpeded fully, avoided the security incident that may cause because of safety valve and pressure-detecting device fault, adopt the heat exchanging process of water spray acceleration and steam, improve the heat exchange rule, equipment is simple and reliable, long service life.
Description of drawings
Fig. 1 is the schematic diagram that a kind of boiler of the present invention effluxes vapour-recovery unit embodiment 1;
Fig. 2 is the schematic diagram that a kind of boiler of the present invention effluxes vapour-recovery unit embodiment 2;
Fig. 3 is the schematic diagram that a kind of boiler of the present invention effluxes vapour-recovery unit embodiment 3;
Fig. 4 is the schematic diagram that a kind of boiler of the present invention effluxes vapour-recovery unit embodiment 4;
Fig. 5 is the schematic diagram that a kind of boiler of the present invention effluxes vapour-recovery unit embodiment 5.
Numeral and the represented corresponding component title of letter among the figure:
1. fixed/platoon flash vessel 11. flash vessel air intakes 12. flash vessel steam drains 2. blenders 21. blender air intakes 22. blender water inlets 23. blender delivery ports 24. nozzles 25. pressure pumps 3. water storage degassing tanks 31. on-condensible gas floss holes 32. degassing tank discharge outlet 33. high-order overflow pipe 34. degassing tank force (forcing) pumps 4. oxygen-eliminating devices 5. low 6. steam turbines 61. that add coagulate pump 7. hot water storage tanks 8. hot water users
The specific embodiment
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
Operation principle is, boiler need be arranged steam and enter fixed/platoon flash vessel 1 by flash vessel air intake 11, the sewage that condenses is got rid of by fixed/platoon flash vessel 1 bottom discharge mouth, steam enters blender 2 by flash vessel steam drain 12 through blender air intake 21, running water sprays into blender 2 by blender water inlet 22, fully mix with steam and to carry out heat exchange, make steam be condensed into water, enter water storage degassing tank 3 together with on-condensible gas through blender delivery port 23, condensed water is delivered in hot water user's the pipeline after 34 pressurizations of degassing tank force (forcing) pump through the degassing tank delivery port again, and the on-condensible gas that aqueous vapor is separated in water storage degassing tank 3 emits through on-condensible gas floss hole 31, if the liquid level in the water storage degassing tank 3 surpasses warning line, then get rid of through high-order overflow pipe, to guarantee the equipment security of operation, entire equipment is not established any safety valve and pressure-detecting device, pipeline is unimpeded fully, avoided the security incident that may cause because of safety valve and pressure-detecting device fault, entire equipment rate of heat exchange height, safe and reliable to operation, long service life.
Embodiment 2, as shown in Figure 2, all the other are identical with embodiment 1, difference is, also have additional pressure pump 25 between blender water inlet 22 and the tap water pipe line, nozzle 24 is set up in blender 2 inside, blender air intake 21 is connected in the throat of nozzle 24, like this, when through the running water after pressure pump 25 pressurization when nozzle 24 is spurted into blender 2, can form negative pressure in the throat of nozzle 2, this negative pressure sucks steam from blender air intake 21, enter blender 2 through nozzle 2 injections together with running water then, so just reached 1 better heat exchange effect than embodiment.
Cooling water that the blender water inlet pipe 22 of embodiment 1 and embodiment 2 is connected source can also be the production water that the drainpipe of coagulating of being provided with of Steam Turbine condensed water that pump produces or chemical workshop is got rid of.
Embodiment 4, and as shown in Figure 4, all the other are identical with embodiment 3, and difference is that the water inlet of pressure pump 25 connects come from that steam turbine 6 is provided with coagulate pump 61 and extract and coagulate the condensed water that pump 61 produces.
Embodiment 5, and as shown in Figure 5, all the other are identical with embodiment 2, and difference is, delivers to hot water storage tank 7 after the condensation hot water that degassing tank force (forcing) pump 34 produces water storage degassing tank 3 pressurizes, and then flows to each hot water user 8.
In the foregoing description, the interior bore of blender air intake 21 be equal to or greater than described fixed/the interior bore of platoon flash vessel steam drain 12, the interior bore of on-condensible gas floss hole 31 be equal to or greater than described fixed/the interior bore of platoon flash vessel steam drain 12, can reach the purpose of normal pressure discharging like this, further reduce the internal pressure of each device, guarantee the equipment security of operation.
A kind of boiler effluxes the Steam Recovery method, may further comprise the steps,
The first step need be arranged steam with boiler and be imported fixed/platoon flash vessel by the flash vessel air intake, and the sewage that condenses is got rid of by fixed/platoon flash vessel bottom discharge mouth, and steam enters blender by the flash vessel steam drain through the blender air intake;
Second step sprayed into blender with cooling water by the blender water inlet, fully mixed with steam and carried out heat exchange, made steam be condensed into water, entered the water storage degassing tank together with on-condensible gas through the blender delivery port;
The 3rd step, condensed water is delivered in hot water user's the pipeline after the pressurization of degassing tank force (forcing) pump through the degassing tank delivery port again, and the on-condensible gas that aqueous vapor is separated in the water storage degassing tank emits through the on-condensible gas floss hole, if the liquid level in the water storage degassing tank surpasses warning line, then get rid of through high-order overflow pipe.
Wherein, second step can change into and will have additional pressure pump between blender water inlet and the cooling water pipeline, internal mixer is set up nozzle, the blender air intake is connected in the throat of nozzle, cooling water is sprayed into blender through the pressurization back by the blender water inlet, the negative pressure of its formation sucks steam from the blender air intake, spray through nozzle 2 together with running water then and enter blender, fully mix with steam and to carry out heat exchange, make steam be condensed into water, enter the water storage degassing tank together with on-condensible gas through the blender delivery port, make the heat exchange between steam and the cooling water more abundant like this.
Adopt the beneficial effect of the technical program to be: to provide a kind of boiler to efflux Steam Recovery method and retracting device thereof, adopt this method to make entire equipment not establish any safety valve and pressure-detecting device, pipeline is unimpeded fully, avoided the security incident that may cause because of safety valve and pressure-detecting device fault, adopt the heat exchanging process of acceleration of pressure pump water spray and steam, improve the heat exchange rule, equipment is simple and reliable, long service life.
Above-described only is preferred implementation of the present invention, should be pointed out that for the person of ordinary skill of the art, under the prerequisite that does not break away from the invention design, can also make some distortion and improvement, and these all belong to protection scope of the present invention.
Claims (10)
1. a boiler effluxes vapour-recovery unit, it is characterized in that, comprise the water storage degassing tank, described water storage degassing tank is provided with on-condensible gas floss hole and degassing tank discharge outlet, also comprise blender, described blender be provided with pressure pump, with boiler original fixed/the blender air intake that platoon flash vessel steam drain is connected, the blender water inlet that is connected with described pressure pump water side, and the blender delivery port that is connected with the inlet of described water storage degassing tank.
2. a kind of boiler according to claim 1 effluxes vapour-recovery unit, it is characterized in that, described blender also is provided with nozzle, and described nozzle is connected with described blender water inlet and places described internal mixer.
3. a kind of boiler according to claim 2 effluxes vapour-recovery unit, it is characterized in that, described nozzle is provided with two inlets and is connected with the blender water inlet with described blender air intake respectively.
4. efflux vapour-recovery unit according to the arbitrary described a kind of boiler of claim 1 to 3, it is characterized in that, a kind of in the drainpipe that coagulates pump, chemical workshop that the water inlet end of described pressure pump and Steam Turbine are provided with and the tap water pipe line or several are connected.
5. efflux vapour-recovery unit according to the arbitrary described a kind of boiler of claim 1 to 3, it is characterized in that the oxygen-eliminating device that the discharge outlet of described water storage degassing tank and boiler are provided with low add inlet pipeline, hot water storage tank, domestic hot-water's pipeline, produce a kind of among the hot water line or several are connected.
6. efflux vapour-recovery unit according to the arbitrary described a kind of boiler of claim 1 to 3, it is characterized in that described water storage degassing tank also is provided with high-order overflow pipe.
7. efflux vapour-recovery unit according to the arbitrary described a kind of boiler of claim 1 to 3, it is characterized in that, the interior bore of described blender air intake be equal to or greater than described fixed/the interior bore of platoon flash vessel steam drain.
8. a kind of boiler according to claim 7 effluxes vapour-recovery unit, it is characterized in that, the interior bore of described on-condensible gas floss hole be equal to or greater than described fixed/the interior bore of platoon flash vessel steam drain.
9. a boiler effluxes the Steam Recovery method, it is characterized in that, may further comprise the steps,
The first step need be arranged steam with boiler and be imported fixed/platoon flash vessel by the flash vessel air intake, and the sewage that condenses is got rid of by fixed/platoon flash vessel bottom discharge mouth, and steam enters blender by the flash vessel steam drain through the blender air intake;
Second step sprayed into blender with cooling water by the blender water inlet, fully mixed with steam and carried out heat exchange, made steam be condensed into water, entered the water storage degassing tank together with on-condensible gas through the blender delivery port;
The 3rd step, condensed water is delivered in hot water user's the pipeline after the pressurization of degassing tank force (forcing) pump through the degassing tank delivery port again, and the on-condensible gas that aqueous vapor is separated in the water storage degassing tank emits through the on-condensible gas floss hole, if the liquid level in the water storage degassing tank surpasses warning line, then get rid of through high-order overflow pipe.
10. a kind of boiler according to claim 9 effluxes the Steam Recovery method, it is characterized in that, second step was to have additional pressure pump between blender water inlet and the cooling water pipeline, internal mixer is set up nozzle, the blender air intake is connected in the throat of nozzle, cooling water is sprayed into blender through the pressurization back by the blender water inlet, the negative pressure of its formation sucks steam from the blender air intake, spray through nozzle 2 together with running water then and enter blender, fully mix with steam and to carry out heat exchange, make steam be condensed into water, enter the water storage degassing tank through the blender delivery port together with on-condensible gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101894484A CN102269398A (en) | 2010-06-02 | 2010-06-02 | Method and device for recycling steam discharged by boiler |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101894484A CN102269398A (en) | 2010-06-02 | 2010-06-02 | Method and device for recycling steam discharged by boiler |
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| CN102269398A true CN102269398A (en) | 2011-12-07 |
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| CN2010101894484A Pending CN102269398A (en) | 2010-06-02 | 2010-06-02 | Method and device for recycling steam discharged by boiler |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102642910A (en) * | 2012-04-23 | 2012-08-22 | 西安交通大学 | Oxidation desalting device for supercritical water treatment |
| CN104833237A (en) * | 2015-04-07 | 2015-08-12 | 江苏宇星工贸有限公司 | Iron oxide red production vapor waste heat recovery system |
| CN114623432A (en) * | 2022-03-17 | 2022-06-14 | 陕西精益化工有限公司 | Exhaust steam recycling device of fixed-row flash tank |
Citations (6)
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| JPH11193904A (en) * | 1997-12-26 | 1999-07-21 | Miura Co Ltd | Deaerator and deaerating method for boiler supply water |
| CN2645016Y (en) * | 2003-09-04 | 2004-09-29 | 高树贵 | Steam-water heat transfer integral unit |
| CN2844826Y (en) * | 2005-05-20 | 2006-12-06 | 杨建元 | A kind of oxygen steam discharge heat-energy recovering apparatus that contains |
| CN101165399A (en) * | 2007-08-07 | 2008-04-23 | 江苏工业学院 | Boiler low grade residual heat combined reclamation method and device |
| JP2008139017A (en) * | 2007-12-27 | 2008-06-19 | Toshiba Corp | Boiling water reactor |
| CN201706472U (en) * | 2010-06-02 | 2011-01-12 | 昆山迪生环保科技有限公司 | Boiler-discharged steam recovering device |
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2010
- 2010-06-02 CN CN2010101894484A patent/CN102269398A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11193904A (en) * | 1997-12-26 | 1999-07-21 | Miura Co Ltd | Deaerator and deaerating method for boiler supply water |
| CN2645016Y (en) * | 2003-09-04 | 2004-09-29 | 高树贵 | Steam-water heat transfer integral unit |
| CN2844826Y (en) * | 2005-05-20 | 2006-12-06 | 杨建元 | A kind of oxygen steam discharge heat-energy recovering apparatus that contains |
| CN101165399A (en) * | 2007-08-07 | 2008-04-23 | 江苏工业学院 | Boiler low grade residual heat combined reclamation method and device |
| JP2008139017A (en) * | 2007-12-27 | 2008-06-19 | Toshiba Corp | Boiling water reactor |
| CN201706472U (en) * | 2010-06-02 | 2011-01-12 | 昆山迪生环保科技有限公司 | Boiler-discharged steam recovering device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102642910A (en) * | 2012-04-23 | 2012-08-22 | 西安交通大学 | Oxidation desalting device for supercritical water treatment |
| CN102642910B (en) * | 2012-04-23 | 2013-08-14 | 西安交通大学 | Oxidation desalting device for supercritical water treatment |
| CN104833237A (en) * | 2015-04-07 | 2015-08-12 | 江苏宇星工贸有限公司 | Iron oxide red production vapor waste heat recovery system |
| CN114623432A (en) * | 2022-03-17 | 2022-06-14 | 陕西精益化工有限公司 | Exhaust steam recycling device of fixed-row flash tank |
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Owner name: KUNSHAN YUCHENG ENVIRONMENTAL MACHINE CO., LTD. Free format text: FORMER OWNER: KUNSHAN DISHENG ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD. Effective date: 20140402 |
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Effective date of registration: 20140402 Address after: 215300 No. 58 South hope road, Yushan Town, Jiangsu, Kunshan Applicant after: KUNSHAN YUCHENG ENVIRONMENT (AL) MERCHINE CO., LTD. Address before: 215300, No. 58 South hope road, Yushan Town, Kunshan City, Jiangsu, Suzhou Applicant before: Kunshan Disheng Environmental Protection Technology Co., Ltd. |
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Application publication date: 20111207 |