CN202126191U - Closed steam tail gas recovery device - Google Patents

Closed steam tail gas recovery device Download PDF

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Publication number
CN202126191U
CN202126191U CN2011201664181U CN201120166418U CN202126191U CN 202126191 U CN202126191 U CN 202126191U CN 2011201664181 U CN2011201664181 U CN 2011201664181U CN 201120166418 U CN201120166418 U CN 201120166418U CN 202126191 U CN202126191 U CN 202126191U
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CN
China
Prior art keywords
steam
tail gas
water
recovering device
enclosed
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Expired - Lifetime
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CN2011201664181U
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Chinese (zh)
Inventor
陈尚和
王志林
危景波
高贛闽
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FUJIAN GREEN PINE Co Ltd
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FUJIAN GREEN PINE Co Ltd
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Priority to CN2011201664181U priority Critical patent/CN202126191U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00Climate change mitigation technologies for sector-wide applications
    • Y02P80/10Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00Climate change mitigation technologies for sector-wide applications
    • Y02P80/10Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
    • Y02P80/15On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply

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Abstract

The utility model relates to a steam tail gas recovery device, particularly to a closed steam tail gas recovery device which has the structural point that the closed steam tail gas recovery device comprises a condensation water recovery device and an exhaust steam recovery device; in the condensation water recovery device, an active drainage mechanism is mounted at the inlet of a condensation water recovery main body, an automatic pressure regulation appliance is mounted in the condensation water recovery main body, and a conveying water pump is mounted at the outlet of the condensation water recovery main body; and in the exhaust steam recovery device, the outlet of a low pressure recovery chamber is connected to a enclosed water collecting tank through an injection sprinkle device, and the control terminal of a data processing controller is connected with the enclosed water collecting tank. The whole set of the equipment is enclosed, so that the occupied area is small, the investment cost is low, and the recovery efficiency is extremely high, besides, higher recovery benefits are brought, white pollution is eliminated, and the production environment is improved; and the closed steam tail gas recovery device has an important intensive function in comprehensive economy of coal, oil and electricity and in water balance and heat (steam) balance of an enterprise.

Description

Enclosed steam tail gas retracting device
Technical field
The utility model relates to a kind of steam tail gas retracting device, particularly a kind of enclosed steam tail gas retracting device.
Background technology
In commercial production, superheated steam is because its moisture is few, and pressure is high, difficult the recovery, and a lot of enterprises all are directly with exhaust emissions when using superheated steam, not only can't make full use of the waste heat of tail gas, also cause white pollution.In order to address this problem; Most of enterprises generally adopt the open type retracting device to reclaim superheated steam tail gas, and its weak point is, the moisture in using general recovered steam of middle open type steam tail gas retracting device; High hot vapour then is difficult to reclaim; Cause organic efficiency low, and in removal process, pump cavitation takes place easily, cause the loss of heat and demineralized water; Also there is the defective that occupation area of equipment is big, cost of investment is high in open type equipment in application in addition.
The utility model content
The purpose of the utility model is according to the weak point of prior art the enclosed steam tail gas retracting device that a kind of organic efficiency is high, floor space is little, cost of investment is cheap to be provided.
The utility model is realized through following approach:
Enclosed steam tail gas retracting device, its structural feature are, comprise condensed-water recovering device and steam exhaust recovering device, wherein:
Condensed-water recovering device includes condensate retrieval body, active drainage mechanism, automatic pressure regulating device and conveying water pump; Initiatively drainage mechanism is installed in the porch of condensate retrieval body; In the condensate retrieval body automatic pressure regulating device is installed, carries water pump to be installed in the exit of condensate retrieval body;
Steam exhaust recovering device includes low pressure and reclaims chamber, injection spray equipment, closed header tank and data processing controller; The outlet that low pressure reclaims the chamber is connected to closed header tank through the injection spray equipment, and the control end of data processing controller is connected with closed header tank;
The steam tail gas carrier pipe is connected to the active drainage mechanism of condensed-water recovering device through a kind of jet pump respectively and the low pressure of steam exhaust recovering device reclaims the chamber; The steam interfacing conveyor of condensed-water recovering device is connected with the low pressure recovery chamber of steam exhaust recovering device through jet pump simultaneously.
Water and vapour in condensed-water recovering device and the steam exhaust recovering device difference recovered steam tail gas.Wherein, Condensed-water recovering device is a kind of enclosed recovery system; According to the characteristics of vapour, water two-phase flow in the steam tail gas, the steam of high temperature is imported in the condensate retrieval body of sealing through active drainage mechanism, the continuous adjusting through automatic pressure regulating device makes vapour and water in the tail gas be in metastable state; In the condensate retrieval body; A tail gas part forms condensed water in high temperature, and another part formation steam sends steam exhaust recovering device to and reclaims, and condensed water in high temperature is drawn through carrying water pump.
In the steam exhaust recovering device, low pressure reclaims the chamber and inserts the low temperature desalted water, and this low temperature desalted water can absorb the exhaust steam in the tail gas; Take away heat and form high-temperature water; Exhaust steam and cooling water make exhaust steam mix fast and fully each other with cold water through special flow scheme design, and exhaust steam is passed to cooling water with the heat of self rapidly, make the volume of exhaust steam dwindle hundred times in moment; Cause occurring in the recover mixing chamber little negative pressure; This situation more helps the generation and the discharging of exhaust steam, therefore also just can not produce the danger of " building the pressure " to production technology, has safeguarded the safety of production technology.High-temperature water and exhaust steam get into the injection spray equipment and carry out absorption once more, increase absorbing of exhaust steam, then high-temperature water are sent in the closed header tank, for use.
A whole set of equipment all adopts closed equipment; Therefore floor space is little, and cost of investment is low, and enclosed steam tail gas retracting device utilizes condensed-water recovering device and steam exhaust recovering device to absorb vapour and water in the tail gas respectively; Organic efficiency is high; And brought higher recovery benefit, and eliminated white pollution, improved production environment; Fully recovered steam is the comprehensive saving to coal, oil, electricity, and water balance, heat (vapour) balance of enterprise had important intensification effect.
Condensed-water recovering device can further be specially:
Condensed-water recovering device also includes the condensate booster, and it is installed in the active drainage mechanism.
The condensate booster is installed in entrance location, and through the fluidised form of adjustment vapour, water two phases, the ability that condensate is climbed improves greatly, and can eliminate " vapour locking " phenomenon.
Condensed-water recovering device also includes pressurizer, its built-in being installed in the condensate retrieval body.
This pressurizer adopts supercharging technology, solves the difficult problem of condensate recovery high-low pressure phase mutual interference in the therrmodynamic system, can realize that the condensate common network of different pressures reclaims.
Condensed-water recovering device also includes the automatic control of liquid device, and its induction end is installed in the condensate retrieval body.
The automatic control of liquid device can carry out rational allocation to the high-temperature condensation water in the condensate retrieval body, makes production process equipment and condensate system be able to the operation of safety and steady.
Condensed-water recovering device also includes the cavitation cancellation element, and it is installed in condensate retrieval body exit.
The cavitation cancellation element can be adjusted the fluidised form of transporting water pump inlet high-temperature water, makes the condensed water in high temperature of pump inlet be in single-phase little supercooled state all the time, thereby eliminates the inducement that pump produces cavitation.
Steam exhaust recovering device can further be specially:
The low pressure of steam exhaust recovering device reclaims the indoor Venturi tube of putting.
Utilize the power pressure head of cooling water, adopt to inhale through built-in Venturi tube to inject the vapour method, into body is reclaimed in exhaust steam, owing to be the injection mode, back pressure is a normal pressure, does not influence the normal discharging of exhaust steam.
Steam exhaust recovering device also includes steam-water separator, its built-in being installed in the closed header tank.
Owing to contain the gases such as oxygen, carbon dioxide of higher concentration in the exhaust steam, to separate through the effect of steam-water separator and be discharged in the air, high-temperature water could get into the deaerated water system, becomes available water.
Steam exhaust recovering device also includes secondary and revolves film device, and its input port is connected with the delivery outlet of injection spray equipment, and delivery outlet is connected with closed header tank.
Secondary revolve film device to act on the injection spray equipment similar, be used for further reclaiming exhaust steam, adopt the low temperature demineralized water to absorb exhaust steam, spray to fall and drench round trip and absorb thereby form round trip with the injection spray equipment, improve organic efficiency greatly.
Steam exhaust recovering device also includes anti cavitation device, its built-in exit that is installed in closed header tank.
Anti cavitation device can make carries water pump under the situation of carrying high-temperature water, cavitation not to take place, prolongs the service life of water pump.
Data processing controller includes pressure detecting system and Level Detection and control system; The induction end of the two all is built in the closed header tank; Pressure-detecting device includes Pressure gauge, controller and tapping equipment; Pressure gauge is connected with built-in induction end, and controller is control connection Pressure gauge and tapping equipment respectively; Level Detection and control system include checkout gear and control device, and checkout gear is connected with built-in induction end, and controlled end is connected with control device.
Pressure-detecting device is used to detect the pressure of retracting device, when surpassing the pressure that controller is set, discharges certain pressure through tapping equipment, guarantees safety in production.
Level Detection and control system adopt advanced perfect robot control system(RCS); The control thinking is under the condition of big flow, little volume, keeps liquid level equilibrium, guarantees the stable operation of whole recovery system; Can supporting mounting temperature self-con-tained unit, so that the control temperature of mixing back hot water accurately.
In sum, the utility model provides a kind of enclosed steam tail gas retracting device, includes condensed-water recovering device and steam exhaust recovering device; Water and vapour in the difference recovered steam tail gas, a whole set of equipment all adopts closed equipment, so floor space is little; Cost of investment is low; Enclosed steam tail gas retracting device utilizes condensed-water recovering device and steam exhaust recovering device to absorb vapour and water in the tail gas respectively, and organic efficiency is high, and has brought higher recovery benefit; Eliminate white pollution, improved production environment; Fully recovered steam is the comprehensive saving to coal, oil, electricity, and water balance, heat (vapour) balance of enterprise had important intensification effect.
Description of drawings
Shown in Figure 1 is the structural framing sketch map of the said enclosed steam tail gas of the utility model retracting device;
Shown in Figure 2 is the principle framework flow chart of the said condensed-water recovering device of the utility model;
Shown in Figure 3 is the principle framework flow chart of the said steam exhaust recovering device of the utility model.
Below in conjunction with embodiment the utility model is done and to be further described.
Specific embodiment
Most preferred embodiment:
With reference to accompanying drawing 1, enclosed steam tail gas retracting device comprises condensed-water recovering device 1 and steam exhaust recovering device 2, wherein:
With reference to accompanying drawing 2; Condensed-water recovering device includes condensate retrieval body, active drainage mechanism, condensate booster, pressurizer, automatic pressure regulating device, automatic control of liquid device; Cavitation cancellation element and conveying water pump; Initiatively drainage mechanism is installed in the porch of condensate retrieval body, and the condensate booster is installed, and automatic pressure regulating device and pressurizer are installed in the condensate retrieval body; The induction end of automatic control of liquid device is installed in the condensate retrieval body, and the output port of condensate retrieval body is connected to the conveying water pump through the cavitation cancellation element.
With reference to accompanying drawing 3; The low pressure that includes steam exhaust recovering device reclaims chamber, injection spray equipment, secondary and revolves film device, closed header tank, anti cavitation device and data processing controller; The outlet that low pressure reclaims the chamber is connected to closed header tank through the injection spray equipment; Simultaneously, the input port that secondary revolves film device is connected with the delivery outlet of injection spray equipment, and delivery outlet is connected with closed header tank.Data processing controller includes pressure detecting system and Level Detection and control system, and the induction end of the two all is built in the closed header tank; Closed header tank adopts the hot header tank of self-styled type, the built-in steam-water separator that is equipped with.
According to accompanying drawing 1; Steam tail gas from heating equipment is connected in condensed-water recovering device 1 and the steam exhaust recovering device 2 through jet pump 3 respectively; The workflow of the described enclosed steam tail gas of the utility model retracting device is explained in the utility model content, therefore repeats no more.
It is identical with prior art that the utility model is not stated part.

Claims (10)

1. enclosed steam tail gas retracting device; It is characterized in that; Comprise condensed-water recovering device and steam exhaust recovering device, wherein: condensed-water recovering device includes condensate retrieval body, active drainage mechanism, automatic pressure regulating device and conveying water pump, and initiatively drainage mechanism is installed in the porch of condensate retrieval body; In the condensate retrieval body automatic pressure regulating device is installed, carries water pump to be installed in the exit of condensate retrieval body; Steam exhaust recovering device includes low pressure and reclaims chamber, injection spray equipment, closed header tank and data processing controller; The outlet that low pressure reclaims the chamber is connected to closed header tank through the injection spray equipment, and the control end of data processing controller is connected with closed header tank; The steam tail gas carrier pipe is connected to the active drainage mechanism of condensed-water recovering device through a kind of jet pump respectively and the low pressure of steam exhaust recovering device reclaims the chamber; The steam interfacing conveyor of condensed-water recovering device is connected with the low pressure recovery chamber of steam exhaust recovering device through jet pump simultaneously.
2. enclosed steam tail gas retracting device according to claim 1 is characterized in that condensed-water recovering device also includes the condensate booster, and it is installed in the active drainage mechanism.
3. enclosed steam tail gas retracting device according to claim 1 is characterized in that condensed-water recovering device also includes pressurizer, its built-in being installed in the condensate retrieval body.
4. enclosed steam tail gas retracting device according to claim 1 is characterized in that condensed-water recovering device also includes the automatic control of liquid device, and its induction end is installed in the condensate retrieval body.
5. enclosed steam tail gas retracting device according to claim 1 is characterized in that condensed-water recovering device also includes the cavitation cancellation element, and it is installed in condensate retrieval body exit.
6. enclosed steam tail gas retracting device according to claim 1 is characterized in that, the low pressure of steam exhaust recovering device reclaims the indoor Venturi tube of putting.
7. enclosed steam tail gas retracting device according to claim 1 is characterized in that steam exhaust recovering device also includes steam-water separator, its built-in being installed in the closed header tank.
8. enclosed steam tail gas retracting device according to claim 1 is characterized in that steam exhaust recovering device also includes secondary and revolves film device, and its input port is connected with the delivery outlet of injection spray equipment, and delivery outlet is connected with closed header tank.
9. enclosed steam tail gas retracting device according to claim 1 is characterized in that steam exhaust recovering device also includes anti cavitation device, its built-in exit that is installed in closed header tank.
10. enclosed steam tail gas retracting device according to claim 1; It is characterized in that; Data processing controller includes pressure detecting system and Level Detection and control system, and the induction end of the two all is built in the closed header tank, and pressure-detecting device includes Pressure gauge, controller and tapping equipment; Pressure gauge is connected with built-in induction end, and controller is control connection Pressure gauge and tapping equipment respectively; Level Detection and control system include checkout gear and control device, and checkout gear is connected with built-in induction end, and controlled end is connected with control device.
CN2011201664181U 2011-05-24 2011-05-24 Closed steam tail gas recovery device Expired - Lifetime CN202126191U (en)

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Application Number Priority Date Filing Date Title
CN2011201664181U CN202126191U (en) 2011-05-24 2011-05-24 Closed steam tail gas recovery device

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Application Number Priority Date Filing Date Title
CN2011201664181U CN202126191U (en) 2011-05-24 2011-05-24 Closed steam tail gas recovery device

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107062930A (en) * 2017-02-20 2017-08-18 赣州市净达生物新能源有限公司 A kind of steam beneficial to boiler high temperature condensed water saves recovery system and its method
CN108458599A (en) * 2018-04-19 2018-08-28 武汉轻工大学 A kind of pressure-controlled steam exhaust recovering device and method
CN110160369A (en) * 2019-06-18 2019-08-23 绍兴洁明节能环保科技有限公司 A kind of hybrid dead steam recovery system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107062930A (en) * 2017-02-20 2017-08-18 赣州市净达生物新能源有限公司 A kind of steam beneficial to boiler high temperature condensed water saves recovery system and its method
CN108458599A (en) * 2018-04-19 2018-08-28 武汉轻工大学 A kind of pressure-controlled steam exhaust recovering device and method
CN108458599B (en) * 2018-04-19 2024-05-07 武汉轻工大学 Pressure-controlled exhaust steam recovery device and method
CN110160369A (en) * 2019-06-18 2019-08-23 绍兴洁明节能环保科技有限公司 A kind of hybrid dead steam recovery system

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Granted publication date: 20120125