CN105457434A - Front-mounted dedusting three-layer large water body mesh filter bag activated carbon dust, nitrate, sulfur and mercury purifying tower system - Google Patents
Front-mounted dedusting three-layer large water body mesh filter bag activated carbon dust, nitrate, sulfur and mercury purifying tower system Download PDFInfo
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- CN105457434A CN105457434A CN201610001814.6A CN201610001814A CN105457434A CN 105457434 A CN105457434 A CN 105457434A CN 201610001814 A CN201610001814 A CN 201610001814A CN 105457434 A CN105457434 A CN 105457434A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/40—Combinations of devices covered by groups B01D45/00 and B01D47/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation 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
- B01D53/005—Separation 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 by heat treatment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation 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
- B01D53/02—Separation 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 by adsorption, e.g. preparative gas chromatography
- B01D53/06—Separation 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 by adsorption, e.g. preparative gas chromatography with moving adsorbents, e.g. rotating beds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation 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
- B01D53/22—Separation 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 by diffusion
- B01D53/228—Separation 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 by diffusion characterised by specific membranes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation 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
- B01D53/26—Drying gases or vapours
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/60—Simultaneously removing sulfur oxides and nitrogen oxides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/60—Heavy metals or heavy metal compounds
- B01D2257/602—Mercury or mercury compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
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Abstract
The invention belongs to the field of atmospheric pollution treatment technological equipment and provides a front-mounted dedusting three-layer large water body mesh filter bag activated carbon dust, nitrate, sulfur and mercury purifying tower system. A body of the tower system comprises three layers from bottom to top, first to third layers of water beds are filled with large water bodies, a right upstream smoke box and a left upstream smoke box are arranged between every two layers of water beds, and a mesh water vapor film filter bag is arranged in each left upstream smoke box; a smoke drainage bin with two sets of upward horn mouths expanding gradually is arranged on the fourth layer, an activated carbon adsorption cage obtained after a triangular frame is wrapped in a chinlon yarn mesh is arranged inside the smoke drainage bin, and a heating pipe is additionally arranged on the upper portion of the interior of the smoke drainage bin. By the adoption of the tower system, high-purity up-to-standard discharging of smoke is achieved.
Description
Technical field
The invention belongs to air contaminant treatment technical equipment field.I.e. preposition dedusting three layers large water body screen cloth filter bag active carbon dirt nitre sulphur mercury purifying column group.Jointly to issue in conjunction with National Development and Reform Committee, Ministry of Industry and Information, the Department of Science and Technology, the Ministry of Finance, Chinese Ministry of Environmental Protection in the file changing ring money [2014] No. 2064 " notices about printing and distributing great environmental protection equipment and product industrialization engineering construction scheme " that the 9th column " coal-burned industrial boiler flue gas integrated purifying is equipped " in the 6th page table 3 approves, the indicative spirit in great green technology equipment and product commercial application direction, for coal-fired flue-gas dust-removing, denitration, desulfurization, demercuration institute development and Application, and in the three-dimensional a kind of integrated purifying equipment installing combination from bottom to top.
Background technology
China is since implementing the Air Pollution Prevention Law, coal-burned industrial boiler is in gas cleaning, many middle purification techniques device products were promoted in domestic priority certification, and issued in 2009 and perform " HJ462-2009 Industrial Boiler and stove Wet Process of FGD Project technical specification ", wherein wet purification technology mostly from vertical, to develop with Packed chemical industry absorption tower class and come.Flue gas rises, and the water liquid of smoke treatment sprays downwards, inverse in pushing up up and down, and resistance is comparatively large, and consume energy higher reaction process.The applicant, once in change flue gas action direction and mode, strives accomplishing that energy-saving and cost-reducing efficiency improves, lasting practical aspect, applies for and obtained multinomial patented technology property right.But nowadays according to country up-to-date issue the GB13271-2014 " emission standard of air pollutants for boilers " that performs especially reply stove unit must purchase the monitoring constantly of boiler smoke on-line computing model of installing application, the technical equipment of the patent that the present inventor is in the past obtained, just seem that some falls behind, especially how absolute guarantee stablizes lasting operation up to standard, in the flue gas demercuration how realizing nowadays still belonging to the exploratory stage in whole cleaning system, flue gas heats up, and reducing generation haze probability aspect does not then have better practical technique.The present invention is then studied exploration in this context.
Summary of the invention
The object of the invention is the preposition dedusting three layers large water body screen cloth filter bag active carbon dirt nitre sulphur mercury purifying column group providing a kind of dedusting to reach high-purity qualified discharge for above-mentioned deficiency.
Technical scheme of the present invention is: preposition dedusting three layers large water body screen cloth filter bag active carbon dirt nitre sulphur mercury purifying column group, and tower group body is divided into three layers from bottom to top; What be wherein full of large water body is one to three layer of water bed, under, in, the right side, upper left line smoke box (flue gas raising speed can be reduced in this up smoke box, be convenient to spray atomizing) are all set between upper every two-layer water bed; Screen cloth vapor membrane filter bag is provided with in upper left line smoke box; 4th layer is employing two groups horn mouth flaring mode fume-dehydrating storehouse (section that risen by flue gas expands rapidly, and cigarette speed is fallen suddenly) upwards; The charcoal absorption cage basket made with Polyamide Yarns screen cloth parcel triangular form framework is provided with in it; In fume-dehydrating storehouse, top increases heating tube (heating tube is steam comb or deep fat comb or electric heating source capsule, after heating tube makes wet cleaning, low-temperature flue gas is elevated to more than 80 DEG C, reach the common standards of in the world >=80 DEG C, more effectively diffusion dilution in an atmosphere, reduces the probability that haze generates).
In such scheme:
To lower convexity on the ceiling of one to three layer of water bed.
Be provided with clean water spray atomizing washing chamber between third layer water bed and fume-dehydrating storehouse, in clean water spray atomizing washing chamber, be provided with two-three shower nozzles.
The ceiling of one to three layer of water bed is interval with flow-guiding channel downwards, identical trend " eight " the font flow-guiding channel (make flue gas can widely the impulse water surface) along axis.
Screen cloth vapor membrane filter bag is the cylinder made with Polyamide Yarns screen cloth, fixes the top of rear hanging at up smoke box with suspension bracket, and stretches into a shower nozzle in the centre on the top of every bar screen cloth filter bag, and each shower nozzle unification provides recirculated water by water pump under a liquid.
One to three layer of water bed its fold profile and (make flue gas be that level moves ahead and three flue gas flows of turning back needing short distance to rise in " bow " font, make the bottom surface of flue gas thin layer and end face two " gas surface layer " impulse of all having an opportunity wash " liquid level " of water bed by rubbing with the hands).
The herringbone skeleton that adsorbing cage basket adopts angle steel and flitch to make, with 8-10# order Polyamide Yarns screen cloth wrapping frame cage basket, filling granular active carbon inside, and levels is staggered folds to fall to putting (blocking the flue gas that stifled absorption is risen).
Preposition dedusting three layers large water body screen cloth filter bag active carbon dirt nitre sulphur mercury purifying column prescription method comprises laterally existing side by side into tower group, coal-fired flue-gas Multi-channel shunting enters tower group and can level move ahead layer by layer again, and rising of turning back layer by layer again, make it flue gas stream little by changing greatly, and form the thin layer impulse water surface and accept the method that self water body sprays repeatedly incessantly incessantly.
Advantage of the present invention is: 1, first order dedusting of the present invention, adopts dilatation reduction of speed to keep off formula settling dust remover again, as long as isolate the larger SiO of proportion in cigarette ash
2, Ae
2o
3heavier particle.Other Fe in flue dust
2o
3, CaO, MgO composition to enter in water auxiliary desulfurization, without the need to too high efficiency of dust collection by it.Second level wet cleaning, adopts on the basis of two-layer large water body water bed, increases again one deck third hand tap bucket clear water washing flue gas water bed, forms three grades of large water body water bed structures of levels.2, the "eight" shape flow-guiding channel that formed to the multiple tracks floor of lower convexity of each layer water bed ceiling, embodies wider expansion cigarette water active area, realizes good removal micronic dust and ferrous sulfate denitration reaction.3, by lower floor's water bed smoke box that upwards layer water bed flue gas is up, incorporate screen cloth steam membrane filtration technology and utensil, realize more uniform SO
2with desulfurization alkali lye mass transfer absorption reaction.This reaction mechanism can be described as " steam membrane filtration " technology.Screen cloth vapor membrane filter bag can either be detained desulfurization water liquid, makes it to adhere on screen cloth, avoids promptly free fall type landing, to reduce containing SO
2flue gas bubbles escape, thus extend and more sufficient cigarette water action time is provided, make desulphurization reaction more thoroughly efficient.4, be also last aspect topmost, add active carbon cage case, after demercuration and the purification of generally acknowledging in recent years, flue gas heats up, and reduces the technological facilities of haze generation probability.5, on third layer large water body water bed top board, the build spray chamber of the flue gas after the clean water washing purification of circulation is devised.This trapezoidal spray chamber has two, front and back, and it supports fume-dehydrating deep purifying storehouse along square flange.This storehouse is long 5.0m, wide 2.5m, the rectangle warehouse of high 3.5m.Place in this storehouse and the triangle screen cloth cage basket making activated carbon grain fluctuate is housed, the superfine microparticle in absorption flue gas can be intercepted, the absorption of the waste gas chemical pollutant not easily realized by other ways can be accomplished again.6, smoke reutilizer is inserted in fume-dehydrating storehouse.Smoke reutilizer can adopt steam comb (heating tube), electric heating comb or other available used heat combs, makes the flue-gas temperature after purification rise to more than 80 DEG C, then discharges.Both protected air-introduced machine cigarette air channel, and can make again to form better diffusion dilution on flue gas to chimney.Flutter the dust fallen and all can converge the desulfurization thing collected and amass water seal slag bath, timing deep water grab claw catches to be transported.7, the outlet flue at this top, storehouse is also that multiple stage monomer is existed side by side, then is communicated with by the cigarette air channel of converging at top.If negative pressure operation process, then cigarette air channel is led to following air-introduced machine and is entered mouth.If the operation under positive pressure after air-introduced machine, then lead to hori-zontal flue gas corridor, finally enter chimney, highly purified qualified discharge.
Accompanying drawing explanation
Fig. 1 aims at the supporting front-located dry precipitator sketch of grate firing Industrial Boiler.
Fig. 2 is Fig. 1 dry collector diagrammatic sectional view.
Fig. 3 is the positive side elevational view that invention is presented at the technological process of indoor application type.
Fig. 4 is the left TV structure sketch of Fig. 3.
Fig. 5 is Fig. 3 plan structure sketch.
Fig. 6 is "eight" shape flow-guiding channel arrangement sketch.
Tu7Shi clear water washing chamber inside spin waterfog head structure diagram.
Fig. 8 is cage basket structure sketch.
Specific embodiments
See Fig. 1-8, parts title is: boiler exhaust gas air channel 1-1, keeps off flap 1-2 again, dry ash discharge cone bucket 1-3, dry collector 1-4, one deck water bed 2-2, two layers of water bed 2-5, three layers of water bed 2-9, flow-guiding channel 2-3, upper right line smoke box 2-4, upper left line smoke box 2-6, screen cloth vapor membrane filter bag 2-7, flange 2-10, washing chamber 2-11, fume-dehydrating storehouse 2-12, cage basket 2-13, heating tube 2-14, water seal slag bath 2-16, deep water grab claw 2-17, cone bucket 2-18, spiral water fog spray head 2-19.
See Fig. 1-8, preposition dedusting three layers large water body screen cloth filter bag active carbon dirt nitre sulphur mercury purifying column group, that tower group body is full of large water body is one to three layer of water bed 2-2,2-5,2-9, under, in, between upper every two-layer water bed, the right side, upper left line smoke box 2-4,2-6 are all set; Screen cloth vapor membrane filter bag 2-7 is provided with in upper left line smoke box 2-6; 4th layer is employing two groups horn mouth flaring mode fume-dehydrating storehouse 2-12 upwards; The charcoal absorption cage basket 2-13 made with Polyamide Yarns screen cloth parcel triangular form framework is provided with in it; In the 2-12 of fume-dehydrating storehouse, top increases heating tube 2-14.
The ceiling of one to three layer of water bed 2-2,2-5,2-9 is interval with flow-guiding channel downwards.Described ceiling is interval with downwards flow-guiding channel along axis identical trend " eight " font flow-guiding channel 2-3.Be provided with clean water spray atomizing washing chamber 2-11 between third layer water bed 2-9 and fume-dehydrating storehouse 2-12, in clean water spray atomizing washing chamber 2-11, be provided with many shower nozzles.Screen cloth vapor membrane filter bag 2-7 is the cylinder made with Polyamide Yarns screen cloth, fixes the top of rear hanging at up smoke box 2-6 with suspension bracket, and stretches into a shower nozzle in the centre on the top of every bar screen cloth filter bag, and each shower nozzle unification provides recirculated water by water pump under a liquid.One to three layer of water bed 2-2,2-5,2-9 its fold profile in " bow " font.The herringbone skeleton that adsorbing cage basket 2-13 adopts angle steel and flitch to make, with 8-10# order Polyamide Yarns screen cloth wrapping frame cage basket, filling granular active carbon inside, and levels is staggered folds to fall to putting.
See Fig. 1-2, flue gas is discharged from the air preheater of boiler tail, enters front-located dry precipitator 1-4, removes big particle dust, adopts dilatation reduction of speed to keep off formula settling dust remover again.Boiler exhaust gas air channel 1-1, keeps off flap 1-2 again, dry ash discharge cone bucket 1-3, dry collector 1-4.
See Fig. 3-6, flue gas enter of the present invention enter mouth 2-1 directly rush at the ground floor water bed 2-2 water surface, at the "eight" shape flow-guiding channel 2-3 that water bed ceiling is formed to the multiple tracks floor of lower convexity."eight" shape flow-guiding channel 2-3 can make flue gas move ahead along direction, water surface axis, the impulse water surface, centered by axis, can swash to two side waves with certain angle again, embody wider expansion cigarette water active area, realize good removal micronic dust and ferrous sulfate denitration reaction.
Flue gas walks to the large water body afterbody of one deck water bed 2-2, turns back upwards, enters upper right line smoke box 2-4, and flue gas flow rate speed is suddenly reduced, and inside establishes the spiral nozzle that many groups are general, plays copperas solution denitration.Many groups spiral nozzle is by this water bed afterbody open water seal pond, and under the 2.2-3.0kw liquid of immersion, water circulating pump provides by the water liquid support of large water body direct circulation.One deck water bed 2-2 can be made into two kinds, the elongated water bed type of trapezoidal cross-section of the elongated water bed of many cone bucket 2-18 types (being four cone bucket 2-18 in Fig. 3, figure) or outdoor utility.
Flue gas, after spray washing in the first updraught flue, rises to top and upwards turns back again and rush at the second layer water bed 2-5 water surface.The "eight" shape of two layers of water bed 2-5 ceiling is identical with one deck water bed 2-2 to the flow-guiding channel 2-3 of lower convexity.These two layers of water bed 2-5 are seated on ground floor water bed 2-2 top board arris, are the four cone bucket 2-18 water beds of length 7.0m-7.5m.Its function is specialize in the alkali lye impulse of flue gas deep desulfuration or the zero distance recirculated water liquid supply of circulation alkali liquor spray.
Flue gas, after second layer water bed 2-5 deep desulfuration, again in afterbody bending upwards, enters second layer upper left line smoke box 2-6.In this upper left line smoke box 2-6, insert the screen cloth vapor membrane filter bag 2-7 tetra-to nine made of 8-10 order Polyamide Yarns screen cloth, hanging is in this upper left line smoke box 2-6, a DN20 (6 points) spiral nozzle is arranged respectively on the top of every bar screen cloth vapor membrane filter bag 2-7, aspirate two layers of water bed 2-5 desulfurization solubility alkali lye by water pump 2-8 under the 3.0kw liquid immersed in the uncovered pond of second layer water bed 2-5, circulate sprays in screen cloth vapor membrane filter bag 2-7.The surface tension of liquid can be utilized from screen cloth vapor membrane filter bag 2-7 inwall, between mesh, form moisture film.Flue gas after ground floor water bed 2-2 and upper left line smoke box 2-6 purifies rises up in filter bag from the bottom of screen cloth vapor membrane filter bag 2-7, will inevitably penetrate screen cloth, and between intensive mesh, moisture film contacts with each other, realizes more uniform SO
2with desulfurization alkali lye mass transfer absorption reaction.This reaction mechanism can be described as " steam membrane filtration " technology.Screen cloth vapor membrane filter bag 2-7 can either be detained desulfurization water liquid, makes it to adhere on screen cloth, avoids promptly free fall type landing, to reduce containing SO
2flue gas bubbles escape, thus extend and more sufficient cigarette water action time is provided, make desulphurization reaction more thoroughly efficient.Simultaneously, also the useful effect of bag-type dusting can be played, but filter by force than conventional bag-type dust and will demonstrate much smaller running resistance, and be at every moment have recirculated water liquid flushing net cloth vapor membrane filter bag 2-7 inwall, be the rapping that arranges of deashing or back-blowing mechanism without the need to conventional cloth bag, resistance is very little.
See Fig. 3,7, flue gas enters the third layer water bed 2-9 that clean water is housed, the same meeting impulse water surface, start spittle steam, residue after cleaning dust desulfurization, then flue gas again on the water surface point before and after two strands upwards by twice flange 2-10, enter two groups of circulations of existing side by side respectively and clean Water spray atomization washing chamber 2-11.Utilize the itself clean recirculated water in water body third layer water bed 2-9 alone equally; with the immersible pump in the uncovered pond of afterbody; the support of spiral water fog spray head 2-19 is provided to spray washing room 2-11; superfine micro-residual particles in washing, purifying flue gas once again or residue chemistry gas, to scheme to reduce the probability producing haze in fume emission to air.
See Fig. 3,8; flue gas is continued to rise by two groups of washing chamber 2-11 of existing side by side; enter dilatation reduction of speed fume-dehydrating storehouse 2-12, the dilatation reduction of speed of this fume-dehydrating storehouse 2-12, angle page flap is restrained steam technology layer by layer and is protected in the multinomial patented technology of applicant in the past.But this is declared unique distinction and is, the angle page flap that the reinforcing bar of the originally dehydration of convergence steam and cement gravel concrete make, changes into the triangular form screen cloth charcoal absorption cage basket 2-13 of present patent application.In storehouse on the cross-arm of both sides, layering is staggered from bottom to top folds to fall to putting, not only little but also can make activated carbon grain in cage basket 2-13 to scheme resistance, under ascending air brushes effect, fluctuate, the superfine microparticle in absorption flue gas can be intercepted, the absorption of the waste gas chemical pollutant not easily realized by other ways can be accomplished again.Flue gas more pure after purification, by the exhaust opening at this 2-12 top, fume-dehydrating storehouse, converges a place, enters air-introduced machine discharge.
See Fig. 3, haze takes place frequently in recent years, and wherein after coal-fired flue-gas wet cleaning, flue-gas temperature is too low, high humidity, and being unfavorable for that plume rise breaks through inversion layer and spreads to high-altitude, is one of reason of outbalance.The fume-dehydrating storehouse 2-12 that applicant utilizes the superiors' volume grand, or suitably increase the height of drainage bin again, smoke reutilizer is inserted in the 2-12 of fume-dehydrating storehouse.Smoke reutilizer can adopt steam comb (heating tube 2-14), electric heating comb or other available used heat combs, makes the flue-gas temperature after purification rise to more than 80 DEG C, then discharges.Both protected air-introduced machine cigarette air channel, and can make again to form better diffusion dilution on flue gas to chimney.Flutter the dust fallen and all can converge the desulfurization thing collected and amass water seal slag bath 2-16, timing deep water grab claw 2-17 catches and transports.
Large water body ground floor water bed 2-2, when indoor location is applied, can make many cones bucket-shaped.And when outdoor mounted is applied, needing ground floor water bed 2-2 to be sunk to subsurface 2.2m antifreeze, water bed can be made inverted trapezoidal section, sediment can be made to be pooled to centre or monocline to side, if water seal board, what be convenient to grab claw drags for ash for this reason.When for more large-tonnage boiler matching, can multiple stage combination exist side by side.
Denitration, desulfurization preparation dosing mode have two kinds.Be a supporting special round can shaped mechanical agitation preparation pond, prepare preparation immersible pump and directly carry in high required water bed water body.Another kind preparation is packed pocket sting into porous.With S shape suspension hook, hook whole desulfurization or denitration preparation material, direct hanging is on the uncovered pool wall of each layer water bed afterbody, soak liquid in uncovered pond under, water pump constantly aspirates water body, be transported to water bed front portion spray, hanging denitration desulfurizing agent pocket constantly dissolves, then can being dispensed onto by water pump in whole water bed water body of uniform and stable.
Claims (7)
1. a preposition dedusting three layers of large water body screen cloth filter bag active carbon dirt nitre sulphur mercury purifying column group, that it is characterized in that tower group body is full of large water body is one to three layer of water bed (2-2), (2-5), (2-9), under, in, between upper every two-layer water bed, the right side, upper left line smoke box (2-4), (2-6) are all set; Screen cloth vapor membrane filter bag (2-7) is provided with in upper left line smoke box (2-6); 4th layer is employing two groups horn mouth flaring mode fume-dehydrating storehouse (2-12) upwards; The charcoal absorption cage basket (2-13) made with Polyamide Yarns screen cloth parcel triangular form framework is provided with in it; In fume-dehydrating storehouse (2-12), top increases heating tube (2-14).
2. preposition dedusting as claimed in claim 1 three layers large water body screen cloth filter bag active carbon dirt nitre sulphur mercury purifying column group, the ceiling that it is characterized in that one to three layer of water bed (2-2), (2-5), (2-9) is interval with flow-guiding channel downwards.
3. preposition dedusting as claimed in claim 2 three layers large water body screen cloth filter bag active carbon dirt nitre sulphur mercury purifying column group, it is characterized in that described ceiling is interval with downwards flow-guiding channel along axis identical trend " eight " font flow-guiding channel (2-3).
4. preposition dedusting as claimed in claim 1 three layers large water body screen cloth filter bag active carbon dirt nitre sulphur mercury purifying column group, it is characterized in that being provided with clean water spray atomizing washing chamber (2-11) between third layer water bed (2-9) and fume-dehydrating storehouse (2-12), in clean water spray atomizing washing chamber (2-11), be provided with many shower nozzles.
5. preposition dedusting as claimed in claim 1 three layers large water body screen cloth filter bag active carbon dirt nitre sulphur mercury purifying column group, it is characterized in that screen cloth vapor membrane filter bag (2-7) is the cylinder made with Polyamide Yarns screen cloth, after fixing with suspension bracket, hanging is on the top of up smoke box (2-6), and stretch into a shower nozzle in the centre on the top of every bar screen cloth filter bag, each shower nozzle unification provides recirculated water by water pump under a liquid.
6. preposition dedusting as claimed in claim 1 three layers large water body screen cloth filter bag active carbon dirt nitre sulphur mercury purifying column group, it is characterized in that one to three layer of water bed (2-2), (2-5), (2-9) its fold profile in " bow " font.
7. preposition dedusting as claimed in claim 1 three layers large water body screen cloth filter bag active carbon dirt nitre sulphur mercury purifying column group, it is characterized in that the herringbone skeleton that adsorbing cage basket (2-13) adopts angle steel and flitch to make, with 8-10# order Polyamide Yarns screen cloth wrapping frame cage basket, filling granular active carbon inside, and levels is staggered folds to fall to putting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610001814.6A CN105457434A (en) | 2016-01-05 | 2016-01-05 | Front-mounted dedusting three-layer large water body mesh filter bag activated carbon dust, nitrate, sulfur and mercury purifying tower system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610001814.6A CN105457434A (en) | 2016-01-05 | 2016-01-05 | Front-mounted dedusting three-layer large water body mesh filter bag activated carbon dust, nitrate, sulfur and mercury purifying tower system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105457434A true CN105457434A (en) | 2016-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610001814.6A Pending CN105457434A (en) | 2016-01-05 | 2016-01-05 | Front-mounted dedusting three-layer large water body mesh filter bag activated carbon dust, nitrate, sulfur and mercury purifying tower system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105457434A (en) |
Cited By (2)
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| CN112403164A (en) * | 2020-11-18 | 2021-02-26 | 通化市通关达环保技术设备有限公司 | Modular multistage large water body flue gas dust removal and desulfurization integrated equipment |
| CN112742231A (en) * | 2019-10-29 | 2021-05-04 | 中国石油化工股份有限公司 | Ammonia spraying static mixer and dust removal method |
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| CN112742231A (en) * | 2019-10-29 | 2021-05-04 | 中国石油化工股份有限公司 | Ammonia spraying static mixer and dust removal method |
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| CN112403164A (en) * | 2020-11-18 | 2021-02-26 | 通化市通关达环保技术设备有限公司 | Modular multistage large water body flue gas dust removal and desulfurization integrated equipment |
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