CN102563608A - Secondary steam-recycling method for condensate collector - Google Patents

Secondary steam-recycling method for condensate collector Download PDF

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Publication number
CN102563608A
CN102563608A CN2010106194322A CN201010619432A CN102563608A CN 102563608 A CN102563608 A CN 102563608A CN 2010106194322 A CN2010106194322 A CN 2010106194322A CN 201010619432 A CN201010619432 A CN 201010619432A CN 102563608 A CN102563608 A CN 102563608A
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China
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steam
condensate
water
recovery device
condensate recovery
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CN2010106194322A
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CN102563608B (en
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李春强
毛溪林
赵厉罡
黄清利
任波
朱建中
伍良社
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China Tobacco Guizhou Industrial Co Ltd
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China Tobacco Guizhou Industrial Co Ltd
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    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00—Climate change mitigation technologies for sector-wide applications
    • Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
    • Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply

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  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

Abstract

The invention discloses a secondary steam-recycling method for a condensate collector. The method utilizes a steam-water heat exchanger to carry out heat exchange between the secondary steam in the condensate collector and the soft water in a soft water tank in order to heat the soft water in a boiler, consequently, both the sensible heat and the latent heat in the secondary steam can be sufficiently utilized, and thereby the waste of energy can be effectively reduced; meanwhile, the adoption of the method also can ensure that condensate can return into a soft tank of the boiler and is recycled, so that the waste of the water resource can be reduced as well, and thereby the production cost of enterprises can be reduced.

Description

Indirect steam recoverying and utilizing method in the Condensate recovery device
Technical field
The present invention relates to a kind of condensate recoverying and utilizing method, the recoverying and utilizing method of the indirect steam that condensate produces in particularly a kind of cigar mill.
Background technology
Cigar mill in order to ensure the normal operation of throwing Wiring technology equipment and heating and ventilating equipment, needs with a large amount of steam in the production of cigarettes process; Steam is emitted the latent heat of vaporization as a kind of heat energy carrier in various gas utilization units after, can become intimate equality of temperature with the saturated condensate of depressing, because the working pressure of steam is greater than atmospheric pressure; So the heat that condensate had can reach the 20%-30% of the full heat of steam; And pressure, temperature are high more, and the heat that condensate has is just many more, and the ratio that accounts for the steam total amount of heat is also just big more; This shows that the heat of 100% recovery condensate also effectively utilizes in addition and has very big energy-saving potential.
At present the condensate that produces of cigar mill's production line heat transmission equipment generally all can be got back to Condensate recovery device through buried pipe, but since each production technology with steam pressure different (maximum is not less than 0.8MPa with steam pressure at throwing line cut-tobacco drier place, and the operating pressure of Condensate recovery device has only 0.125MPa); Therefore the condensate flash-off steam that is easy in condensing water conduit, produce; The leaked steam of part drain valve also can enter into condensing water conduit, and the indirect steam that is formed by flash-off steam and leaked steam is in a large number gathered in Condensate recovery device again, makes that the back pressure in the Condensate recovery device raises; And then cause gas equipment hydrophobic not smooth; In order to guarantee that gas equipment is hydrophobic unimpeded, change airtight Condensate recovery device into open system usually, on Condensate recovery device, increase evacuated tube and emit indirect steam; The great amount of heat that so just is is wasted; Cause energy waste, and can make a large amount of water smokes permeate in the atmosphere, give plant area's surrounding enviroment deleterious impact; Particularly more obvious in the winter time, cause the waste of water resource simultaneously.
Summary of the invention
To the deficiency of above-mentioned prior art, the technical problem that the present invention will solve provides the recoverying and utilizing method that a kind of heat that can make the condensate indirect steam is fully used.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
Indirect steam recoverying and utilizing method in a kind of Condensate recovery device, it comprises the steps:
1) reclaims the condensate that gas utilization unit produces through Condensate recovery device;
2) a steam-water heat exchanging device is set; Will be to the soft water in the softened water tank of boiler water supply through this steam-water heat exchanging device; Simultaneously the indirect steam in the Condensate recovery device is fed this steam-water heat exchanging device, make soft water and indirect steam in the steam-water heat exchanging device carry out heat exchange;
3) make the soft water after the heating flow back to softened water tank from the carbonated drink heat-exchange device, the condensed condensate of indirect steam flows back to Condensate recovery device.
Preferably, the condensate in the Condensate recovery device is delivered to softened water tank through water pump and is given boiler water supply.
Preferably, condensate need be carried out the deironing processing before getting into softened water tank.
Preferably, the indirect steam in the said Condensate recovery device can directly feed in the softened water tank soft water is heated.
Technique scheme has following beneficial effect: this indirect steam recoverying and utilizing method makes indirect steam and the soft water in the softened water tank in the Condensate recovery device carry out heat exchange through a steam-water heat exchanging device; The soft water that gets into boiler heated the soft water temperature is raise; Sensible heat and latent heat in the indirect steam all are fully utilized; Thereby effectively reduce the waste of the energy; Adopt this method that condensate is got back in the softened water tank of boiler simultaneously and utilized again, also can reduce the waste of water resource, and then reduce the production cost of enterprise.
Above-mentioned explanation only is the general introduction of technical scheme of the present invention, understands technological means of the present invention in order can more to know, and can implement according to the content of specification, below with preferred embodiment of the present invention and conjunction with figs. specify as after.The specific embodiment of the present invention is provided by following examples and accompanying drawing thereof in detail.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention.
The specific embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present invention is described in detail.
As shown in Figure 1; Indirect steam recoverying and utilizing method in this Condensate recovery device is in implementation process; At first reclaim the condensate that gas utilization unit produces through Condensate recovery device 1 and since each production equipment with the steam pressure difference, so condensate flash-off steam of being easy in condensing water conduit, produce; The leaked steam of part drain valve also can enter into condensing water conduit, will make a large amount of indirect steams that formed by flash-off steam and leaked steam in Condensate recovery device 1 accumulated like this.
One steam-water heat exchanging device 3 is set in one side of Condensate recovery device; This steam-water heat exchanging device 3 can be used to make steam and water to carry out heat exchange; Indirect steam in the Condensate recovery device 1 is fed this steam-water heat exchanging device 3; Make simultaneously to the soft water in the softened water tank 2 of boiler water supply and pass through this steam-water heat exchanging device, make indirect steam and soften in 3 heat exchanges of steam-water heat exchanging device, the soft water temperature after the completion heat exchange raises and sends softened water tank back to boiler water supply by water pump; After becoming condensed water, indirect steam after the completion heat exchange flows back to again in the Condensate recovery device 1.
Condensate in the Condensate recovery device 1 also can be delivered to softened water tank through water pump and give boiler water supply, for the water quality of the condensate that guarantees to get into softened water tank, before condensate gets into softened water tank, need carry out deironing to condensate and handle.In addition, the indirect steam in the Condensate recovery device 1 can directly feed in the softened water tank 2 through pipeline soft water is heated.
This indirect steam recoverying and utilizing method makes indirect steam and the soft water in the softened water tank 2 in the Condensate recovery device carry out heat exchange through steam-water heat exchanging device 3; The soft water temperature that gets in the boiler is raise; Sensible heat and latent heat in the indirect steam all are fully utilized, thereby the waste that effectively reduces the energy is to reduce, adopts this method that condensate is got back in the softened water tank of boiler simultaneously and utilized again; Also can reduce the waste of water resource, and then reduce the production cost of enterprise.
More than the indirect steam recoverying and utilizing method in the Condensate recovery device that the embodiment of the invention provided has been carried out detailed introduction; For one of ordinary skill in the art; According to the thought of the embodiment of the invention, on the specific embodiment and range of application, all can change to some extent, so this description only is used in the embodiment of the invention is described; Should not be construed as limitation of the present invention, all any changes of making according to design philosophy of the present invention are all within protection scope of the present invention.

Claims (4)

1. the indirect steam recoverying and utilizing method in the Condensate recovery device is characterized in that it comprises the steps:
1) reclaims the condensate that gas utilization unit produces through Condensate recovery device;
2) a steam-water heat exchanging device is set; Will be to the soft water in the softened water tank of boiler water supply through this steam-water heat exchanging device; Simultaneously the indirect steam in the Condensate recovery device is fed this steam-water heat exchanging device, make soft water and indirect steam in the steam-water heat exchanging device carry out heat exchange;
3) make the soft water after the heating flow back to softened water tank from the carbonated drink heat-exchange device, the condensed condensate of indirect steam flows back to Condensate recovery device.
2. the indirect steam recoverying and utilizing method in the Condensate recovery device according to claim 1 is characterized in that: the condensate in the Condensate recovery device is delivered to softened water tank through water pump and is given boiler water supply.
3. the indirect steam recoverying and utilizing method in the Condensate recovery device according to claim 2 is characterized in that: condensate need be carried out the deironing processing before getting into softened water tank.
4. the indirect steam recoverying and utilizing method in the Condensate recovery device according to claim 1 is characterized in that: the indirect steam in the said Condensate recovery device can directly feed in the softened water tank soft water is heated.
CN201010619432.2A 2010-12-31 2010-12-31 Secondary steam-recycling method for condensate collector Active CN102563608B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103383105A (en) * 2013-07-10 2013-11-06 岱山县巨能胶带有限公司 Recycling device for residual steam
CN109780883A (en) * 2017-11-11 2019-05-21 恒天纤维集团有限公司 A kind of method of the waste heat recycling of Lyocell fiber production line condensed water
CN110260289A (en) * 2019-06-27 2019-09-20 闵含金 A kind of steam boiler vapor recycling system and method

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CN101067538A (en) * 2007-06-05 2007-11-07 沈阳铝镁设计研究院 Steam condensed water waste heat utilizing method and equipment
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CN101793390A (en) * 2010-02-08 2010-08-04 广东省特种设备检测院顺德分院 Comprehensive recovery method and system of condensation water and dead steam
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SU1399488A1 (en) * 1986-11-18 1988-05-30 Саратовский политехнический институт Method of unloading electric power plant
CN1064543A (en) * 1991-07-26 1992-09-16 南京市轻工研究所 Steam condensate metering recovery method and device
CN1065718A (en) * 1992-04-29 1992-10-28 肇东市制油厂 Steam heat supply closed circulation equipment
CN2497265Y (en) * 2001-09-27 2002-06-26 北京中投洁天节能环保科技有限公司 Heat-pump type high-temperature condensate closed circuit recovery apparatus
CN101173324A (en) * 2006-10-31 2008-05-07 黄石山力科技发展有限公司 Novel technique for comprehensive utilization of continuous strip annealing furnace flue gas exhaust heat and device thereof
CN101067538A (en) * 2007-06-05 2007-11-07 沈阳铝镁设计研究院 Steam condensed water waste heat utilizing method and equipment
CN201166357Y (en) * 2008-03-04 2008-12-17 张兴亮 Secondary flash steam reutilization system of tobacco enterprise power workshop
CN101793390A (en) * 2010-02-08 2010-08-04 广东省特种设备检测院顺德分院 Comprehensive recovery method and system of condensation water and dead steam
CN201628490U (en) * 2010-04-19 2010-11-10 山东中烟工业公司 Leveled utilization device for cigarette factory steam condensed water heat

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103383105A (en) * 2013-07-10 2013-11-06 岱山县巨能胶带有限公司 Recycling device for residual steam
CN103383105B (en) * 2013-07-10 2015-11-25 岱山县巨能胶带有限公司 The recycle device of residual steam
CN109780883A (en) * 2017-11-11 2019-05-21 恒天纤维集团有限公司 A kind of method of the waste heat recycling of Lyocell fiber production line condensed water
CN110260289A (en) * 2019-06-27 2019-09-20 闵含金 A kind of steam boiler vapor recycling system and method

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