CN205340447U - Big water screen cloth filter bag active carbon dirt nitre sulphur mercury of leading dust removal three -layer purifies tower system - Google Patents

Big water screen cloth filter bag active carbon dirt nitre sulphur mercury of leading dust removal three -layer purifies tower system Download PDF

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CN205340447U
CN205340447U CN201620003584.2U CN201620003584U CN205340447U CN 205340447 U CN205340447 U CN 205340447U CN 201620003584 U CN201620003584 U CN 201620003584U CN 205340447 U CN205340447 U CN 205340447U
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screen cloth
filter bag
water
layers
tower system
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关云彪
关欣锐
郝晨宇
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TONGHUA TONGGUANDA ENVIRONMENTAL PROTECTION TECHNOLOGY EQUIPMENT CO LTD
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Abstract

The utility model belongs to atmosphere pollution control technical equipment field. Be big water screen cloth filter bag active carbon dirt nitre sulphur mercury of leading dust removal three -layer purifies tower system. The tower system organism from bottom to top divide the three -layer altogether, what wherein be full of big water is one to the three -layer water bed, down in, go up and all set up the right side, upper left capable smoke box between every two -layer water bed, be provided with screen cloth steam membrane filter bag in the upper left capable smoke box, two sets of ascending horn mouth flaring mode flue gas dewatering bins are adopted on the fourth layer, the active carbon adsorption cage basket of making with nylon yarn screen cloth parcel triumph frame has been set up in it, the top increases the heating pipe in the flue gas dewatering bin. Realize the discharge to reach standard of flue gas high -purity.

Description

Preposition dedusting three layers big water body screen cloth filter bag activated carbon dirt nitre sulfur hydrargyrum purifies tower system
Technical field
This utility model belongs to air contaminant treatment technical equipment field.Namely preposition dedusting three layers big water body screen cloth filter bag activated carbon dirt nitre sulfur hydrargyrum purifies tower system.Jointly issue in the file changing ring money [2014] No. 2064 " notices about printing and distributing great environmental protection equipment and product industrialization engineering construction scheme " what the 9th column " coal-burned industrial boiler flue gas integrated purifying equipment " in the 6th page table 3 was approved 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, 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, develop with the chemical industry absorption tower class of filler.Flue gas rises, and the water liquid processing flue gas sprays downwards, inverse in pushing up up and down, and resistance is relatively big, and consume energy higher reaction process.The applicant is once changing flue gas action direction and mode, strives accomplishing energy-saving and cost-reducing efficiency raising, persistently practical aspect, applies for and obtained multinomial patented technology property right.But nowadays must purchase the monitoring constantly of the boiler smoke on-line computing model installing application according to up-to-date GB13271-2014 " emission standard of air pollutants for boilers " the especially reply stove unit performed of issuing of country, the technical equipment of the patent that this utility model people is conventional obtained, just seem that some falls behind, particularly in how absolute guarantee stablizes lasting operation up to standard, in how realizing nowadays still belonging to the flue gas demercuration of exploratory stage in whole cleaning system, flue gas heats up, and reducing generation haze probability aspect does not then have better practical technique.This utility model has then carried out research and probe in this context.
Utility model content
The purpose of this utility model is that the preposition dedusting three layers big water body screen cloth filter bag activated carbon dirt nitre sulfur hydrargyrum providing a kind of dedusting to reach high-purity qualified discharge for above-mentioned deficiency purifies tower system.
The technical solution of the utility model is: preposition dedusting three layers big water body screen cloth filter bag activated carbon dirt nitre sulfur hydrargyrum purifies tower system, and tower system body is divided into three layers from bottom to top;What be filled with big water body is one to three layers water bed, under, in, be respectively provided with the right side, upper left line smoke box (flue gas raising speed can be reduced in this up smoke box, it is simple to spray atomizing) between upper every two-layer water bed;Upper left line smoke box is provided with screen cloth vapor membrane filter bag;4th layer is adopt two groups of horn mouth flaring mode fume-dehydrating storehouses (section that risen by flue gas expands rapidly, and cigarette speed drops suddenly) upwards;It is provided with in it and wraps up, with Polyamide Yarns screen cloth, the activated carbon adsorption cage basket that triangular form framework is made;In fume-dehydrating storehouse, top adds heat pipe (adding heat pipe is steam comb or deep fat comb or electric heating source capsule, add low-temperature flue gas after heat pipe makes wet cleaning and be increased to more than 80 DEG C, reach the common standards of in the world >=80 DEG C, more effectively diffusion dilution in an atmosphere, reduce the probability that haze generates).
In such scheme:
On the ceiling of one to three layers water bed downwardly convex.
It is provided with cleaning Water spray atomization laundry room between third layer water bed and fume-dehydrating storehouse, in cleaning Water spray atomization laundry room, is provided with two-three shower nozzles.
The ceiling of one to three layers water bed is interval with downwards flow-guiding channel, identical trend " eight " the font flow-guiding channel (make flue gas can widely the impulse water surface) along axis.
The cylinder that screen cloth vapor membrane filter bag Polyamide Yarns screen cloth is made, hangs on the top of up smoke box after fixing with suspension bracket, and stretches into a shower nozzle in the centre on the top of every screen cloth filter bag, and each shower nozzle unification is provided recirculated water by water pump under a liquid.
One to three layers water bed its fold profile in " bow " font (making flue gas is three flue gas flows of turning back that level moves ahead and needs short distance to rise, and makes the bottom surface of flue gas thin layer and end face two " gas surface layer " have the opportunity to impulse and wash " liquid level " of water bed by rubbing with the hands).
Adsorbing cage basket adopts the herringbone skeleton that angle steel and flitch are made, and folds to fall to putting (blocking the flue gas that stifled absorption rises) with 8-10# order Polyamide Yarns screen cloth wrapping frame cage basket, filling granular active carbon inside, and levels are staggered.
Preposition dedusting three layers big water body screen cloth filter bag activated carbon dirt nitre sulfur hydrargyrum purifying column prescription method is to include laterally existing side by side into tower system, coal-fired flue-gas Multi-channel shunting enters tower system and can level move ahead layer by layer again, and rising of turning back layer by layer again, so as to flue gas stream is little by changing greatly, and forms the thin layer impulse water surface incessantly and accept the method that self water body sprays repeatedly incessantly.
The utility model has the advantages that: 1, first order dedusting of the present utility model, adopting dilatation reduction of speed to keep off formula settling dust remover again, as long as isolating the SiO that proportion in flue dust is bigger2、Ae2O3Heavier granule.Other Fe in flue dust2O3, CaO, MgO composition enter auxiliary desulfurization in water by it, it is not necessary to too high efficiency of dust collection.Second level wet cleaning, adopts on the basis of the big water body water bed of two-layer, increases again one layer of third hand tap bucket clear water washing flue gas water bed, forms three grades of big water body water bed structures of levels.2, the "eight" shape flow-guiding channel that the multiple tracks floor that each layer water bed ceiling is downwardly convex is formed, embodies larger range of expansion succi Nicotiana tabacum L. active area, it is achieved good removal micronic dust and ferrous sulfate denitration reaction.3, by, in lower floor's water bed smoke box that upwards layer water bed flue gas is up, having incorporated screen cloth steam membrane filtration technology and utensil, it is achieved the SO being more uniformly distributed2With desulfurization alkali liquor mass transfer absorption reaction.This response mechanism can be described as " steam membrane filtration " technology.Screen cloth vapor membrane filter bag can either be detained desulfurization water liquid, so as to adhere on screen cloth, it is to avoid promptly free fall type landing, to reduce containing SO2Flue gas bubbles escape, thus extending and provide more sufficient succi Nicotiana tabacum L. action time, makes desulphurization reaction more thoroughly efficiently.4, being also last aspect topmost, add activated carbon cage case, after demercuration and the purification generally acknowledged in recent years, flue gas heats up, and reduces the technological facilities of haze generation probability.5, on the big water body water bed top board of third layer, the build spray chamber of the flue gas after circulation cleaning water washing purifies 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 equipped with the triangle screen cloth cage basket making activated carbon grain 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.6, smoke reutilizer is inserted in fume-dehydrating storehouse.Smoke reutilizer can adopt steam comb (adding heat pipe), 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, flue gas can be made again to form better diffusion dilution on chimney.The desulfurization thing flutterring the dust dropped and collect all can converge and amass water seal slag bath, and 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 connected by the cigarette air channel of converging at top.If negative pressure operation process, then following air-introduced machine smoke inlet is led in cigarette air channel.If in 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 front-located dry precipitator sketch that grate firing Industrial Boiler is supporting.
Fig. 2 is Fig. 1 dry collector diagrammatic sectional view.
Fig. 3 is the positive side elevational view that utility model is shown in indoor application type technological process.
Fig. 4 is Fig. 3 left view structure diagram.
Fig. 5 is Fig. 3 plan structure sketch.
Fig. 6 is "eight" shape flow-guiding channel arrangement sketch.
Fig. 7 is clear water laundry room internal coiling waterfog head structure diagram.
Fig. 8 is cage basket structure sketch.
Detailed description of the invention
Referring to Fig. 1-8, parts title is: boiler exhaust gas air channel 1-1, again gear flap 1-2, dry ash discharge cone bucket 1-3, dry collector 1-4, one layer of water bed 2-2, two layers of water bed 2-5, three layers 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, laundry room 2-11, fume-dehydrating storehouse 2-12, cage basket 2-13, adds heat pipe 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.
Referring to Fig. 1-8, preposition dedusting three layers big water body screen cloth filter bag activated carbon dirt nitre sulfur hydrargyrum purify tower system, that tower system body is full of big water body is one to three layers water bed 2-2,2-5,2-9, under, in, be respectively provided with the right side, upper left line smoke box 2-4,2-6 between upper every two-layer water bed;Upper left line smoke box 2-6 is provided with screen cloth vapor membrane filter bag 2-7;4th layer is adopt two groups of horn mouth flaring mode fume-dehydrating storehouse 2-12 upwards;It is provided with in it and wraps up, with Polyamide Yarns screen cloth, the activated carbon adsorption cage basket 2-13 that triangular form framework is made;In the 2-12 of fume-dehydrating storehouse, top adds heat pipe 2-14.
The ceiling of one to three layers water bed 2-2,2-5,2-9 is interval with downwards flow-guiding channel.Described ceiling is interval with downwards flow-guiding channel along axis identical trend " eight " font flow-guiding channel 2-3.It is provided with cleaning Water spray atomization laundry room 2-11 between third layer water bed 2-9 and fume-dehydrating storehouse 2-12, in cleaning Water spray atomization laundry room 2-11, is provided with many shower nozzles.The cylinder that screen cloth vapor membrane filter bag 2-7 Polyamide Yarns screen cloth is made, hangs on the top of up smoke box 2-6 after fixing with suspension bracket, and stretches into a shower nozzle in the centre on the top of every screen cloth filter bag, and each shower nozzle unification is provided recirculated water by water pump under a liquid.One to three layers water bed 2-2,2-5,2-9 its fold profile in " bow " font.Adsorbing cage basket 2-13 adopts the herringbone skeleton that angle steel and flitch are made, and folds to fall to putting with 8-10# order Polyamide Yarns screen cloth wrapping frame cage basket, filling granular active carbon inside, and levels are staggered.
Referring to 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, again gear flap 1-2, dry ash discharge cone bucket 1-3, dry collector 1-4.
Referring to Fig. 3-6, flue gas enters smoke inlet 2-1 of the present utility model and directly rushes at the ground floor water bed 2-2 water surface, at the "eight" shape flow-guiding channel 2-3 that the multiple tracks floor that water bed ceiling is downwardly convex is formed."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 again at an angle, embody larger range of expansion succi Nicotiana tabacum L. active area, it is achieved good removal micronic dust and ferrous sulfate denitration reaction.
Flue gas walks to one layer of big water body afterbody of water bed 2-2, turns back upwards, enters upper right line smoke box 2-4, makes flue gas flow rate speed suddenly reduce, and inside sets the spiral nozzle that many groups are general, plays copperas solution denitration.Many group spiral nozzles are by this water bed afterbody open water seal pond, and under the 2.2-3.0kw liquid of immersion, water circulating pump provides and supported by the water liquid of big water body direct circulation.One layer of water bed 2-2 can be made into two kinds of the elongated water bed type of trapezoidal cross-section of many cone bucket elongated water beds of 2-18 type (being four cone bucket 2-18 in Fig. 3, figure) or outdoor utility.
Flue gas in the first updraught flue after spray washing, rises to top and upwards turns back again and rush at the second layer water bed 2-5 water surface.Flow-guiding channel 2-3 and the one layer water bed 2-2 that the "eight" shape of two layers of water bed 2-5 ceiling is downwardly convex is identical.These two layers of water bed 2-5 are seated on ground floor water bed 2-2 top board arris, for the four cone bucket 2-18 water beds of length 7.0m-7.5m.Its function is the zero distance recirculated water liquid supply of alkali liquor impulse or the circulation alkali liquor spray specializing in flue gas deep desulfuration.
Flue gas is 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, DN20 (6 points) spiral nozzle is arranged respectively on the top of every screen cloth vapor membrane filter bag 2-7, being aspirated two layers of water bed 2-5 desulfurization solubility alkali liquor by water pump 2-8 under the 3.0kw liquid immersed in the uncovered pond of second layer water bed 2-5, circulation 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 necessarily penetrate screen cloth, and between intensive mesh, moisture film contacts with each other, it is achieved the SO being more uniformly distributed2With desulfurization alkali liquor mass transfer absorption reaction.This response mechanism can be described as " steam membrane filtration " technology.Screen cloth vapor membrane filter bag 2-7 can either be detained desulfurization water liquid, so as to adhere on screen cloth, it is to avoid promptly free fall type landing, to reduce containing SO2Flue gas bubbles escape, thus extending and provide more sufficient succi Nicotiana tabacum L. action time, makes desulphurization reaction more thoroughly efficiently.Simultaneously, also the useful effect of bag-type dusting can be played, but filter by force than conventional bag-type dust and to demonstrate much smaller running resistance, and be at every moment have recirculated water liquid flushing net cloth vapor membrane filter bag 2-7 inwall, being the rapping that arranges of deashing or back-blowing mechanism without conventional cloth bag, resistance is only small.
Referring to Fig. 3,7, flue gas enters the third layer water bed 2-9 equipped with cleaning water, the meeting impulse water surface equally, 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, respectively enter two groups of circulations cleaning Water spray atomization laundry room 2-11 existed side by side.It is 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 fume emission to the probability producing haze in air.
See Fig. 3,8, flue gas is continued to rise by two groups of laundry room 2-11 of existing side by side, enters dilatation reduction of speed fume-dehydrating storehouse 2-12, and the dilatation reduction of speed of this fume-dehydrating storehouse 2-12, angle page flap is restrained steam technology layer by layer and protected in the multinomial patented technology of conventional applicant.But this is declared and is unique in that, originally restrain the angle page flap that the reinforcing bar of the dehydration of steam makes with cement gravel concrete, change into the triangular form screen cloth activated carbon adsorption 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.The flue gas more pure after the purification exhaust opening by this 2-12 top, fume-dehydrating storehouse, converges a place, enters air-introduced machine discharge.
Referring to 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, is unfavorable for that plume rise breaks through inversion layer and spreads to high-altitude, is one of comparatively important reason.Applicant utilizes the fume-dehydrating storehouse 2-12 that the superiors' volume is grand, or suitably increases the height of drainage bin again, is inserted by smoke reutilizer in the 2-12 of fume-dehydrating storehouse.Smoke reutilizer can adopt steam comb (adding heat pipe 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, flue gas can be made again to form better diffusion dilution on chimney.The desulfurization thing flutterring the dust dropped and collect all can converge and amass water seal slag bath 2-16, and timing deep water grab claw 2-17 catches and transports.
Big water body ground floor water bed 2-2 is when indoor location is applied, it is possible to make many cones bucket-shaped.And when outdoor mounted is applied, it is necessary to ground floor water bed 2-2 is sunk to subsurface 2.2m antifreeze, for this, water bed can be made inverted trapezoidal section, precipitate can be made to be pooled to centre or monocline to side, if water seal board, it is simple to grab claw drag for ash.When for more large-tonnage boiler matching, it is possible to multiple stage combination is existed side by side.
Denitration, desulfurization preparation dosing mode have two kinds.A kind of is supporting special round can shaped mechanical agitation preparation pond, prepares preparation immersible pump and directly carries needed for height in water bed water body.Another kind is preparation to be packed pocket sting into porous.With S shape suspension hook, hook whole desulfurization or denitration preparation material, directly hanging is on the uncovered pool wall of each layer water bed afterbody, in uncovered pond, soak water pump under liquid constantly aspirate water body, it is 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 big water body screen cloth filter bag activated carbon dirt nitre sulfur hydrargyrum purifies tower system, it is characterized in that tower system body be full of water body be one layer of water bed (2-2), two layers of water bed (2-5), three layers water bed (2-9), under, in, be respectively provided with upper right line smoke box (2-4), upper left line smoke box (2-6) between upper every two-layer water bed;Upper left line smoke box (2-6) is provided with screen cloth vapor membrane filter bag (2-7);Three layers water bed (2-9) is arranged above with two groups of horn mouths flaring mode fume-dehydrating storehouse (2-12) upwards;It is provided with in fume-dehydrating storehouse (2-12) and wraps up, with Polyamide Yarns screen cloth, activated carbon adsorption cage basket (2-13) that triangular form framework is made;Arranged above with adding heat pipe (2-14) in fume-dehydrating storehouse (2-12).
2. preposition dedusting three layers as claimed in claim 1 big water body screen cloth filter bag activated carbon dirt nitre sulfur hydrargyrum purifies tower system, it is characterized in that being interval with downwards flow-guiding channel on the ceiling of one to three layers water bed (2-2), (2-5), (2-9).
3. preposition dedusting three layers as claimed in claim 2 big water body screen cloth filter bag activated carbon dirt nitre sulfur hydrargyrum purifies tower system, 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 three layers as claimed in claim 1 big water body screen cloth filter bag activated carbon dirt nitre sulfur hydrargyrum purifies tower system, it is characterized in that between third layer water bed (2-9) and fume-dehydrating storehouse (2-12), being provided with cleaning Water spray atomization laundry room (2-11), in cleaning Water spray atomization laundry room (2-11), be provided with many shower nozzles.
5. preposition dedusting three layers as claimed in claim 1 big water body screen cloth filter bag activated carbon dirt nitre sulfur hydrargyrum purifies tower system, it is characterized in that the cylinder that screen cloth vapor membrane filter bag (2-7) is made with Polyamide Yarns screen cloth, hang on the top of up smoke box (2-6) after fixing with suspension bracket, and a shower nozzle is stretched in the centre on the top of every screen cloth filter bag, each shower nozzle unification is provided recirculated water by water pump under a liquid.
6. preposition dedusting three layers as claimed in claim 1 big water body screen cloth filter bag activated carbon dirt nitre sulfur hydrargyrum purifies tower system, it is characterized in that one to three layers water bed (2-2), (2-5), (2-9) its fold profile in " bow " font.
7. preposition dedusting three layers as claimed in claim 1 big water body screen cloth filter bag activated carbon dirt nitre sulfur hydrargyrum purifies tower system, 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.
CN201620003584.2U 2016-01-05 2016-01-05 Big water screen cloth filter bag active carbon dirt nitre sulphur mercury of leading dust removal three -layer purifies tower system Active CN205340447U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105457434A (en) * 2016-01-05 2016-04-06 关云彪 Front-mounted dedusting three-layer large water body mesh filter bag activated carbon dust, nitrate, sulfur and mercury purifying tower system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105457434A (en) * 2016-01-05 2016-04-06 关云彪 Front-mounted dedusting three-layer large water body mesh filter bag activated carbon dust, nitrate, sulfur and mercury purifying tower system

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TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20200911

Address after: Room 504, Jichun building, No. 533, Dongchang Road, Dongchang District, Tonghua City, Jilin Province

Patentee after: TONGHUA TONGGUANDA ENVIRONMENTAL PROTECTION TECHNOLOGY EQUIPMENT Co.,Ltd.

Address before: 134001 Tonghua city of Jilin Province Dongchang District Dongchang Road No. 533 building 505 Ji Chun

Patentee before: Guan Yunbiao