CN207533038U - Receive water dedusting demisting formula flue gas processing device - Google Patents

Receive water dedusting demisting formula flue gas processing device Download PDF

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Publication number
CN207533038U
CN207533038U CN201721493683.4U CN201721493683U CN207533038U CN 207533038 U CN207533038 U CN 207533038U CN 201721493683 U CN201721493683 U CN 201721493683U CN 207533038 U CN207533038 U CN 207533038U
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CN
China
Prior art keywords
water
flue gas
demister
desulfurizing tower
deduster
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CN201721493683.4U
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Chinese (zh)
Inventor
甘露
靳超然
毛霖
李红飞
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State Electric Investment Group Far Environmental Protection Engineering Co Ltd Chongqing Science And Technology Branch
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State Electric Investment Group Far Environmental Protection Engineering Co Ltd Chongqing Science And Technology Branch
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Priority to CN201721493683.4U priority Critical patent/CN207533038U/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
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/30Technologies for a more efficient combustion or heat usage

Abstract

The utility model discloses a kind of receipts water dedusting demisting formula flue gas processing devices, and including condensing heat exchanger and flusher, condensing heat exchanger and flusher are located at desulfurizing tower top;It further includes and receives water dedusting demisting component, it receives water dedusting demisting component and includes deduster, demister, water collector, deduster and demister are set in desulfurizing tower exhaust pass, and deduster and demister are set gradually along flow of flue gas direction, water collector is fixed on the outer wall of desulfurizing tower exhaust pass side, water outlet of the water inlet end of water collector respectively with deduster and demister connects, and the water outlet of water collector is connected with the water feeding tank being set to outside desulfurizing tower, and water feeding tank is connected with flusher.The utility model can both avoid demister fouling, block, with dedusting defrosting function, the recycling to moisture in neat stress after desulfurization and waste heat can be realized again, and the cooperation-removal to fine particle can be realized, so as to meet power plant's minimum discharge, waste heat recovery and the integrated demand of zero water consume.

Description

Receive water dedusting demisting formula flue gas processing device
Technical field
The utility model is related to desulphurization system neat stress process field, at more particularly to a kind of receipts water dedusting demisting formula flue gas Manage device.
Background technology
At present, the power plant of 90 more than ﹪ of China carries out desulfurization process using Limestone-gypsum Wet Flue Gas Desulfurization Process technology to flue gas, The technology is although more mature, but there are the problem of desulfurizer mist eliminator fouling and big desulfurization water consumption.Demister fouling master If since neat stress carries a certain amount of drop after desulfurization, drop is separated by demister, in the drop detached Containing solid matters such as gypsum, demister fouling can be made, fouling can cause demister channel narrows, and demisting efficiency declines, seriously When can occur local channel blocking.In addition, flue gas before desulfurizing tower is entered in unsaturated state, due in tower flue gas with Chemical reaction occurs for slurries and heat exchange, the continuous evaporation of slurries, desulfurization exiting flue gas become saturation state, and large quantity of moisture is steamed with water The form of gas is taken away by flue gas, and loss amount is big, and the overwhelming majority of desulfurization water consumption is evaporated water.
Therefore, demister fouling can both have been avoided, block by being badly in need of providing one kind, have dedusting defrosting function, and can realize pair After desulfurization in neat stress moisture and waste heat recycling, and the cooperation-removal to fine particle can be realized, so as to meet The receipts water dedusting demisting formula flue gas processing device of power plant's minimum discharge, waste heat recovery and the integrated demand of zero water consume.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of receipts water dedusting demisting formula flue gas processing device, both may be used It avoids demister fouling, block, there is dedusting defrosting function, and can realize the recycling to moisture in neat stress after desulfurization and waste heat It utilizes, and can realize the cooperation-removal to fine particle, so as to meet power plant's minimum discharge, waste heat recovery and zero water consume one The demand of body.
The receipts water dedusting demisting formula flue gas processing device of the utility model, including be set in desulfurizing tower be used for flue gas into Row cooling, primary moisture recycling, waste heat recovery, the condensing heat exchanger of demisting and the flusher for rinsing condensing heat exchanger, At the condensing heat exchanger and flusher are located at the top of desulfurizing tower;Further include the receipts being set at desulfurizing tower exhaust pass Water dedusting demisting component, the receipts water dedusting demisting component include carrying out the recycling of two level moisture and fine particle to flue gas The deduster of cooperation-removal, the demister for removing flue fog drip, the collection for moisture in collecting dust-removing device and demister Hydrophone, the deduster and demister are set in desulfurizing tower exhaust pass, and deduster and demister are along flow of flue gas direction Set gradually, the water collector is fixed on the outer wall of desulfurizing tower exhaust pass side, the water inlet end of the water collector respectively with except Dirt device is connected with the water outlet of demister, and the water outlet of water collector is connected with the water feeding tank being set to outside desulfurizing tower, the water supply Case is connected with flusher.
Further, the condensing heat exchanger includes multiple horizontally disposed and interconnected condensing heat-exchanging pipe, the desulfurization The wall of tower is equipped with the water inlet interface connected respectively with the inlet end and an outlet end of condensing heat-exchanging pipe and water outlet mouthpiece.
Further, the condensing heat-exchanging pipe is made of fluoroplastics.
Further, the flusher includes flush pipe and the spray head being arranged in flush pipe, and the flush pipe is two Group, two groups of flush pipes in being arranged side by side up and down, and the condensing heat exchanger is located between two groups of flush pipes, and the flush pipe is with supplying water Case connects.
Further, the deduster includes multiple vertical arrangements and interconnected dust removing tube, and the demister includes more The water outlet of a vertical arrangement and interconnected demisting pipe, the dust removing tube and demisting pipe is connected with water collector.
Further, the dust removing tube and demisting Guan Jun are made of fluoroplastics.
Further, the desulfurizing tower is equipped with gas inlet close to the side of bottom, is provided in desulfurizing tower for flue gas The spray tube of doctor solution is sprayed, the spray tube is between flusher and gas inlet.
Further, the desulfurization tower bottom is provided with waste collection pond.
The beneficial effects of the utility model:The receipts water dedusting demisting formula flue gas processing device of the utility model, passes through setting Condensing heat exchanger, flusher, deduster, demister, water collector, water feeding tank, make in desulfurizing tower that saturation neat stress can after desulfurization First pass through condensing heat exchanger cooled down, the recycling of primary moisture, waste heat recovery and primary demisting, due to the condensation of condensing heat exchanger Heat exchanger tube is made of fluoroplastics, and fluoroplastics have not adhesion in itself, therefore can be avoided fouling existing for former demister, be blocked up Plug problem, and pass through setting flusher, it further ensures that and does not block;Then secondary moisture is carried out by deduster again to return Receive, and fine particle cooperateed with to remove, through deduster treated discharge after flue gas finally carries out secondary demisting by demister it is de- Outside sulphur tower, while collected in water collector, and pass through water collector and be transported to water feeding tank by the moisture that deduster, demister recycle In, it is supplied water by water feeding tank to flusher, condensing heat exchanger is rinsed, realize that moisture recycles.Therefore this practicality It is novel both to replace original demister, former demister fouling, blockage problem were avoided, there is dedusting defrosting function, and can realize pair The recycling of moisture and waste heat in flue gas, and can realize the cooperation-removal to fine particle, it is ultralow so as to meet power plant Discharge, waste heat recovery and the integrated demand of zero water consume.
Description of the drawings
The utility model is further described with reference to the accompanying drawings and examples:
Fig. 1 is the structure diagram of the utility model.
Specific embodiment
Fig. 1 is the structure diagram of the utility model, as shown in the figure:The receipts water dedusting demisting formula fume treatment of the present embodiment Device, including being set in desulfurizing tower for being cooled down to flue gas, primary moisture recycling, waste heat recovery, the condensation of demisting change Hot device 1 and the flusher 2 for rinsing condensing heat exchanger, the condensing heat exchanger and 1 flusher 2 are located at close to desulfurizing tower At 13 tops, condensing heat exchanger 1 carries out moisture in flue gas primary recycling for cooling down to saturation neat stress after desulfurization And demisting, while be connected with heat utilization equipment, the waste heat of recovered flue gas;Further include the receipts being set at desulfurizing tower exhaust pass 11 Water dedusting demisting component, the receipts water dedusting demisting component include carrying out the recycling of two level moisture and fine particle to flue gas The deduster 3 of cooperation-removal, for remove flue fog drip demister 4, for moisture in collecting dust-removing device 3 and demister 4 Water collector 5, the deduster 3 and demister 4 be set in desulfurizing tower exhaust pass 11, and deduster 3 and demister 4 are along cigarette Flow of air direction is set gradually, and the water collector 5 is fixed on 11 side outer wall of desulfurizing tower exhaust pass, the water collector 5 Water outlet of the water inlet end respectively with deduster 3 and demister 4 connects, and the water outlet of water collector 5 is with being set to outside desulfurizing tower 13 Water feeding tank 8 connects, and the water feeding tank 8 is connected with flusher 2, carries out secondary moisture recycling to flue gas by deduster 3, goes forward side by side Row fine particle removes, and treated the flue gas of deduster 3 is finally carried out by demister 4 after demisting outside discharge desulfurizing tower, together When the moisture that is recycled by deduster 3, demister 4 collect in water collector 5, and pass through water collector 5 and be transported in water feeding tank 8, It is supplied water by water feeding tank 8 to flusher 2, condensing heat exchanger 1 is rinsed, realize that moisture recycles, it so both can generation For original demister, former demister blockage problem is avoided, there is dedusting defrosting function, and can realize to moisture in flue gas and waste heat Recycling, and the cooperation-removal to fine particle can be realized, so as to meet power plant's minimum discharge, waste heat recovery and zero The integrated demand of water consume.
In the present embodiment, the condensing heat exchanger 1 includes multiple horizontally disposed and interconnected condensing heat-exchanging pipe, described The wall of desulfurizing tower 13 is equipped with the water inlet interface 6 connected respectively with the inlet end and an outlet end of condensing heat-exchanging pipe and water outlet mouthpiece 7, Cooled down convenient for passing through condensate liquid to flue gas, the recycling of primary moisture and waste heat recovery, be also convenient for being connected with heat utilization equipment, The waste heat of recovered flue gas.
In the present embodiment, the condensing heat-exchanging pipe is made of fluoroplastics, making easy to process, have it is resistant to chemical etching, High-low temperature resistant, not waterproof, the performances such as viscous, low-friction coefficient, good self lubricity.
In the present embodiment, the flusher 2 includes flush pipe and the spray head being arranged in flush pipe, the flush pipe It it is two groups, in being arranged side by side up and down, the condensing heat exchanger 1 is located between two groups of flush pipes two groups of flush pipes, realizes to condensation Heat exchanger 1 carries out sufficient spraying cooling;The flush pipe is connected with water feeding tank, realizes that moisture recycles in flue gas, improves Utilization rate achievees the purpose that zero water consume.
In the present embodiment, the deduster 3 includes multiple vertical arrangements and interconnected dust removing tube, the demister 4 Including multiple vertical arrangements and interconnected demisting pipe, the water outlet of the dust removing tube and demisting pipe is connected with water collector 5, is made The moisture recycled in deduster 3, demister 4 can be stored in water collector 5, and is sent by water collector 5 to water feeding tank 8, for rinsing Device 2 uses.
In the present embodiment, the dust removing tube and demisting Guan Jun are made of fluoroplastics, have resistant to chemical etching, resistance to height Temperature, not waterproof, the performances such as viscous, low-friction coefficient, good self lubricity.
In the present embodiment, the desulfurizing tower 13 is equipped with gas inlet 10 close to the side of bottom, is provided in desulfurizing tower 13 For the spray tube 9 to flue gas spray doctor solution, the spray tube 9 is between flusher 2 and gas inlet 10, realization pair The desulfurization process of flue gas.
In the present embodiment, 13 bottom of desulfurizing tower is provided with waste collection pond 12, for collect, store flusher and The waste water generated after spray tube use, for subsequent processing.
Finally illustrate, above example is merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng The utility model is described in detail according to preferred embodiment, it will be understood by those of ordinary skill in the art that, it can be to this The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model It encloses, should all cover in the right of the utility model.

Claims (8)

1. a kind of receipts water dedusting demisting formula flue gas processing device, it is characterised in that:It is used for including being set in desulfurizing tower to flue gas Cooled down, primary moisture recycling, waste heat recovery, the condensing heat exchanger of demisting and filled for rinsing the flushing of condensing heat exchanger It puts, the condensing heat exchanger and flusher are located at desulfurizing tower top;It further includes and is set at desulfurizing tower exhaust pass Receipts water dedusting demisting component, the receipts water dedusting demisting component includes carrying out flue gas the recycling of two level moisture and fine Grain object cooperation-removal deduster, for remove flue fog drip demister, for moisture in collecting dust-removing device and demister Water collector, the deduster and demister be set in desulfurizing tower exhaust pass, and deduster and demister are along flow of flue gas Direction is set gradually, and the water collector is fixed on the outer wall of desulfurizing tower exhaust pass side, the water inlet end difference of the water collector It is connected with the water outlet of deduster and demister, the water outlet of water collector is connected with the water feeding tank being set to outside desulfurizing tower, described Water feeding tank is connected with flusher.
2. receipts water dedusting demisting formula flue gas processing device according to claim 1, it is characterised in that:The condensing heat exchanger Including multiple horizontally disposed and interconnected condensing heat-exchanging pipe, the wall of the desulfurizing tower be equipped with respectively with condensing heat-exchanging pipe The water inlet interface and water outlet mouthpiece of inlet end and an outlet end connection.
3. receipts water dedusting demisting formula flue gas processing device according to claim 2, it is characterised in that:The condensing heat-exchanging pipe It is made of fluoroplastics.
4. receipts water dedusting demisting formula flue gas processing device according to claim 1, it is characterised in that:The flusher packet Flush pipe and the spray head being arranged in flush pipe are included, the flush pipe is two groups, and two groups of flush pipes are in arranged side by side up and down, institute Condensing heat exchanger is stated between two groups of flush pipes, the flush pipe is connected with water feeding tank.
5. receipts water dedusting demisting formula flue gas processing device according to claim 1, it is characterised in that:The deduster includes Multiple vertical arrangements and interconnected dust removing tube, the demister include multiple vertical arrangements and interconnected demisting pipe, The water outlet of the dust removing tube and demisting pipe is connected with water collector.
6. receipts water dedusting demisting formula flue gas processing device according to claim 5, it is characterised in that:It the dust removing tube and removes Mist Guan Jun is made of fluoroplastics.
7. receipts water dedusting demisting formula flue gas processing device according to claim 1, it is characterised in that:The desulfurizing tower is close The side of bottom is equipped with gas inlet, is provided in desulfurizing tower for the spray tube to flue gas spray doctor solution, the spray tube Between flusher and gas inlet.
8. receipts water dedusting demisting formula flue gas processing device according to claim 7, it is characterised in that:The desulfurization tower bottom It is provided with waste collection pond.
CN201721493683.4U 2017-11-10 2017-11-10 Receive water dedusting demisting formula flue gas processing device Active CN207533038U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721493683.4U CN207533038U (en) 2017-11-10 2017-11-10 Receive water dedusting demisting formula flue gas processing device

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Application Number Priority Date Filing Date Title
CN201721493683.4U CN207533038U (en) 2017-11-10 2017-11-10 Receive water dedusting demisting formula flue gas processing device

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109012125A (en) * 2018-09-28 2018-12-18 山东泰威冶金材料制造有限公司 A kind of Combustion in High Temperature High Sulfur exhaust gas processing device
CN111043618A (en) * 2018-10-11 2020-04-21 国家电投集团远达环保工程有限公司重庆科技分公司 Flue gas treatment device and flue gas treatment system
CN111380397A (en) * 2018-12-28 2020-07-07 北京亿玮坤节能科技有限公司 Application of plastic hose in white-spot eliminating process and white-spot eliminating tower

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109012125A (en) * 2018-09-28 2018-12-18 山东泰威冶金材料制造有限公司 A kind of Combustion in High Temperature High Sulfur exhaust gas processing device
CN111043618A (en) * 2018-10-11 2020-04-21 国家电投集团远达环保工程有限公司重庆科技分公司 Flue gas treatment device and flue gas treatment system
CN111380397A (en) * 2018-12-28 2020-07-07 北京亿玮坤节能科技有限公司 Application of plastic hose in white-spot eliminating process and white-spot eliminating tower

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