CN106731620A - A kind of spray desulfurizing tower - Google Patents

A kind of spray desulfurizing tower Download PDF

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Publication number
CN106731620A
CN106731620A CN201710184645.9A CN201710184645A CN106731620A CN 106731620 A CN106731620 A CN 106731620A CN 201710184645 A CN201710184645 A CN 201710184645A CN 106731620 A CN106731620 A CN 106731620A
Authority
CN
China
Prior art keywords
tower
pipe
spray
oxidation
vat
Prior art date
Application number
CN201710184645.9A
Other languages
Chinese (zh)
Inventor
周玉祥
Original Assignee
合肥天翔环境工程有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 合肥天翔环境工程有限公司 filed Critical 合肥天翔环境工程有限公司
Priority to CN201710184645.9A priority Critical patent/CN106731620A/en
Publication of CN106731620A publication Critical patent/CN106731620A/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/46Removing components of defined structure
    • B01D53/48Sulfur compounds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/77Liquid phase processes
    • B01D53/78Liquid phase processes with gas-liquid contact
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/77Liquid phase processes
    • B01D53/79Injecting reactants
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2251/00Reactants
    • B01D2251/40Alkaline earth metal or magnesium compounds
    • B01D2251/404Alkaline earth metal or magnesium compounds of calcium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2251/00Reactants
    • B01D2251/60Inorganic bases or salts
    • B01D2251/606Carbonates
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2258/00Sources of waste gases
    • B01D2258/02Other waste gases
    • B01D2258/0283Flue gases

Abstract

The present invention discloses a kind of spray desulfurizing tower, belong to flue gas desulfurization environmental protection technical field, including tower body, the bottom of the tower body is provided with flue gas inlet tube, the bottom of the tower body is provided with lye tank (vat), the lye tank (vat) is arranged on the gas approach lower section, in the tower body sieve tray has been sequentially arranged above in the gas approach, multi-stage spray pipe and moisture trap, net gas escaping pipe is provided with the top of the tower body, the flue gas inlet tube is tangentially set obliquely relative to the tower body, stretch into the tower body in the upper end of the smoke inlet pipe, tower body described in the bottom of the smoke inlet pipe connects, the part that the smoke inlet pipe stretches into institute's tower body is provided with deflection plate.Smoke inlet of the present invention is obliquely installed relative to desulfurizing tower tower body, and horizontal airintake direction is changed into oblique air inlet, is conducive to weakening reflux in tower vortex, reduces crushing, and extension gas-liquid releases the time, prevents slurries from flowing backwards.

Description

A kind of spray desulfurizing tower
Technical field
The present invention relates to flue gas desulfurization environmental protection technical field, more particularly to a kind of spray desulfurizing tower.
Background technology
Spray column is a kind of desulfurizing tower being most widely used in lime stone (lime) sulfur removal technology.Desulfurizing tower can Cheng Yuan Shape, it is also possible to be made square, flue gas enters from tower middle and lower part, passs stream and contacts with the slurries under the spray of tower top.Tower top is provided with 2 ~6 layers of spraying layer, every layer of spraying layer is provided with some nozzles, and the mist hat for spraying nozzle tower can be completely covered within the scope of 1mm and breaks Face.Every layer of spraying layer one circulating pump of correspondence, according to required desulfuration efficiency, coal sulfur content, the operational factor of regulation pump, full Under conditions of toe ring guaranteed request, the purpose for reducing operating cost is reached.
The uniformity of desulfurizing tower inlet flue gas directly affects the uniformity of smoke distribution in desulfurizing tower.Smoke inlet gas-liquid connects Synapsis is dry and wet interface, and existing desulfurizing tower easily dries fouling in smoke inlet, runs influence desulfurizing tower after there is fouling Security and air flow direction.
The content of the invention
The invention provides a kind of desulfurizing tower, existing desulfurizing tower is solved in the easy fouling of smoke inlet and then desulfurizing tower is influenceed The problem of safety in operation and air flow direction.
In order to solve the above technical problems, the technical proposal of the invention is realized in this way:
A kind of spray desulfurizing tower, including tower body, the bottom of the tower body are provided with flue gas inlet tube, the bottom of the tower body Lye tank (vat) is provided with, the lye tank (vat) is arranged on the gas approach lower section, in the top of the gas approach in the tower body Sieve tray, multi-stage spray pipe and moisture trap are disposed with, net gas escaping pipe, the cigarette are provided with the top of the tower body Gas inlet tube is tangentially set obliquely relative to the tower body, and the tower body is stretched into the upper end of the smoke inlet pipe, described Tower body described in the bottom of smoke inlet pipe connects, and the part that the smoke inlet pipe stretches into institute's tower body is provided with deflection plate.
Wherein it is preferred to, flushing water is respectively arranged with above and below the moisture trap and sprays pipe, the flushing water Pipe is sprayed to be connected with technique water inlet pipe.
Wherein it is preferred to, oxidation nozzle, the oxidation nozzle and oxidation air blower are provided with the lye tank (vat) Connection.
Wherein it is preferred to, the oxidation nozzle is arranged on oxidation tube road, and the oxidation tube road lower section is provided with It is fixed on the oxidation tube road support member of the tower body bottom.
Wherein it is preferred to, it is additionally provided with stirring vane in the lye tank (vat).
Wherein it is preferred to, feed liquid circulating pump is additionally provided with, inlet tube and the lye tank (vat) of the feed liquid circulating pump connect Logical, the outlet of the feed liquid circulating pump is connected with multi-stage spray pipe.
Wherein it is preferred to, the net gas escaping pipe is lateral escaping pipe, and the net gas escaping pipe is by conical pipe and column tube Constitute, described conical pipe one end is connected with the tower body, the conical pipe simultaneously shrinks along net gas outgassing direction.
Beneficial effect of the present invention:
1. smoke inlet of the present invention is obliquely installed relative to desulfurizing tower tower body, and horizontal airintake direction is changed into oblique air inlet, Be conducive to weakening reflux in tower vortex, reduce crushing, extension gas-liquid releases the time, prevents slurries from flowing backwards.
2. the present invention is provided with deflection plate in desulfurizing tower porch, and deflection plate can greatly improve the uniformity of air flow method, Slurries are difficult the fouling at smoke inlet and dry, and improve the security of desulfurizing tower operation.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also Other accompanying drawings are obtained with according to these accompanying drawings.
Fig. 1 is inventive desulfurization tower structure schematic diagram;
Fig. 2 is office of A portions enlarged drawing in Fig. 1.
In figure, 1. tower body, 2. flue gas inlet tube, 3. lye tank (vat), 4. sieve tray, 5. multi-stage spray pipe, 6. moisture trap, 7. net gas escaping pipe, 7-1. conical pipes, 7-2. column tubes, 8. deflection plate, 9. flushing water spray pipe, 10. oxidation nozzle, 11. Oxidation air blower, 12. oxidation tube roads, 13. oxidation tube road support members, 14. stirring vanes
Specific embodiment
The technical scheme in the embodiment of the present invention is clearly and completely described below, it is clear that described embodiment Only a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, the common skill in this area The every other embodiment that art personnel are obtained under the premise of creative work is not made, belongs to the model of present invention protection Enclose.
As shown in figure 1, the present embodiment provides a kind of spray desulfurizing tower, including tower body 1, the bottom of tower body 1 is provided with flue gas Inlet tube 2, the bottom of tower body 1 is provided with lye tank (vat) 3, and lye tank (vat) 3 is arranged on gas approach lower section, in gas approach in tower body 1 Be sequentially arranged above sieve tray 4, multi-stage spray pipe 5 and moisture trap 6, the top of tower body 1 is provided with net gas escaping pipe 7, flue gas inlet tube 2 is tangentially set obliquely relative to tower body 1, and tower body 1, smoke inlet pipe are stretched into the upper end of smoke inlet pipe Bottom tower body 1 connect, the part that smoke inlet pipe stretches into institute's tower body 1 is provided with deflection plate 8.Smoke inlet is relative to desulfurization Tower tower body 1 is obliquely installed, and horizontal airintake direction is changed into oblique air inlet, is conducive to weakening reflux in tower vortex, reduces crushing, is prolonged Gas-liquid long releases the time, prevents slurries from flowing backwards.Desulfurizing tower porch is provided with deflection plate 8, deflection plate 8 can greatly improve air-flow The uniformity of distribution, slurries are difficult the fouling at smoke inlet and dry, and improve the security of desulfurizing tower operation.
Wherein, flushing water is respectively arranged with above and below moisture trap 6 and sprays pipe 9, flushing water sprays pipe 9 and technique Water inlet pipe is connected.Flushing water sprays pipe 9 and rinses moisture trap 6 in maintenance for desulfurizing tower, improves moisture trap 6 Service life.
Wherein, oxidation nozzle 10 is provided with lye tank (vat) 3, oxidation nozzle 10 is connected with oxidation air blower 11.Oxygen Change nozzle 10 is arranged on oxidation tube road 12, and the lower section of oxidation tube road 12 is provided with the oxidation use for being fixed on the bottom of tower body 1 Conduit support 13.
Wherein, it is additionally provided with stirring vane 14 in lye tank (vat) 3.For the uniform mixing of alkali lye in lye tank (vat) 3.
Wherein, feed liquid circulating pump is additionally provided with, the inlet tube of feed liquid circulating pump is connected with lye tank (vat) 3, feed liquid circulating pump Outlet is connected with multi-stage spray pipe 5.
Wherein, net gas escaping pipe 7 is lateral escaping pipe, and net gas escaping pipe 7 is made up of conical pipe 7-1 and column tube 7-2, is bored Shape pipe 7-1 one end is connected with tower body 1, and conical pipe 7-1 simultaneously shrinks along net gas outgassing direction.The setting can avoid air flow method uneven The adverse effect for causing.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in essence of the invention Within god and principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.

Claims (7)

1. a kind of spray desulfurizing tower, including tower body, the bottom of the tower body is provided with flue gas inlet tube, and the bottom of the tower body sets Be equipped with lye tank (vat), the lye tank (vat) is arranged on the gas approach lower section, in the tower body the top of the gas approach according to It is secondary to be provided with sieve tray, multi-stage spray pipe and moisture trap, net gas escaping pipe is provided with the top of the tower body, its feature exists In:The flue gas inlet tube is tangentially set obliquely relative to the tower body, and the upper end of the smoke inlet pipe is stretched into described Tower body, tower body described in the bottom of the smoke inlet pipe connects, and the part that the smoke inlet pipe stretches into institute's tower body is provided with Deflection plate.
2. a kind of spray desulfurizing tower according to claim 1, it is characterised in that:Divide above and below the moisture trap Flushing water not being provided with and spraying pipe, the flushing water sprays pipe and is connected with technique water inlet pipe.
3. a kind of spray desulfurizing tower according to claim 1, it is characterised in that:Oxidation spray is provided with the lye tank (vat) Mouth, the oxidation nozzle is connected with oxidation with air blower.
4. a kind of spray desulfurizing tower according to claim 3, it is characterised in that:The oxidation nozzle is arranged on oxidation and uses On pipeline, the oxidation tube road lower section is provided with the oxidation tube road support member for being fixed on the tower body bottom.
5. a kind of spray desulfurizing tower according to claim 3, it is characterised in that:Paddle is additionally provided with the lye tank (vat) Piece.
6. a kind of spray desulfurizing tower according to claim 1, it is characterised in that:It is additionally provided with feed liquid circulating pump, the material The inlet tube of liquid circulating pump is connected with the lye tank (vat), and the outlet of the feed liquid circulating pump is connected with multi-stage spray pipe.
7. a kind of spray desulfurizing tower according to claim 1, it is characterised in that:The net gas escaping pipe is lateral outlet Pipe, the net gas escaping pipe is made up of conical pipe and column tube, and described conical pipe one end is connected with the tower body, the conical pipe And shunk along net gas outgassing direction.
CN201710184645.9A 2017-03-24 2017-03-24 A kind of spray desulfurizing tower CN106731620A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710184645.9A CN106731620A (en) 2017-03-24 2017-03-24 A kind of spray desulfurizing tower

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710184645.9A CN106731620A (en) 2017-03-24 2017-03-24 A kind of spray desulfurizing tower

Publications (1)

Publication Number Publication Date
CN106731620A true CN106731620A (en) 2017-05-31

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107321169A (en) * 2017-09-06 2017-11-07 杭州小橙工业设计有限公司 A kind of Intelligent control type desulfurizing tower
CN107739637A (en) * 2017-09-30 2018-02-27 南京宏博环保实业有限公司 A kind of desulfurizing tower
CN109529593A (en) * 2018-11-20 2019-03-29 苗逢春 A kind of fume desulfurizing tower

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201380033Y (en) * 2009-02-01 2010-01-13 中冶集团北京冶金设备研究设计总院 Spraying type tower for flue gas desulfurization and absorption by magnesium
CN201404764Y (en) * 2009-05-11 2010-02-17 刘建华 Water film desulfurization and dedusting device
CN201643974U (en) * 2010-03-16 2010-11-24 武汉龙净环保工程有限公司 Double-inlet absorption tower for wet flue gas desulfurization
CN202289854U (en) * 2011-10-18 2012-07-04 滕州富源低热值燃料热电有限公司 Spraying device of desulfurizing tower
CN102614735A (en) * 2012-04-13 2012-08-01 大连华氏流体设备有限公司 Device and method for smoke desulphurization and waste recycle

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201380033Y (en) * 2009-02-01 2010-01-13 中冶集团北京冶金设备研究设计总院 Spraying type tower for flue gas desulfurization and absorption by magnesium
CN201404764Y (en) * 2009-05-11 2010-02-17 刘建华 Water film desulfurization and dedusting device
CN201643974U (en) * 2010-03-16 2010-11-24 武汉龙净环保工程有限公司 Double-inlet absorption tower for wet flue gas desulfurization
CN202289854U (en) * 2011-10-18 2012-07-04 滕州富源低热值燃料热电有限公司 Spraying device of desulfurizing tower
CN102614735A (en) * 2012-04-13 2012-08-01 大连华氏流体设备有限公司 Device and method for smoke desulphurization and waste recycle

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107321169A (en) * 2017-09-06 2017-11-07 杭州小橙工业设计有限公司 A kind of Intelligent control type desulfurizing tower
CN107739637A (en) * 2017-09-30 2018-02-27 南京宏博环保实业有限公司 A kind of desulfurizing tower
CN109529593A (en) * 2018-11-20 2019-03-29 苗逢春 A kind of fume desulfurizing tower

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Application publication date: 20170531