CN208161287U - A kind of dust-extraction unit of drying polyvinyl chloride tail gas - Google Patents
A kind of dust-extraction unit of drying polyvinyl chloride tail gas Download PDFInfo
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- CN208161287U CN208161287U CN201820353613.7U CN201820353613U CN208161287U CN 208161287 U CN208161287 U CN 208161287U CN 201820353613 U CN201820353613 U CN 201820353613U CN 208161287 U CN208161287 U CN 208161287U
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- polyvinyl chloride
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Abstract
The utility model discloses a kind of dust-extraction units of drying polyvinyl chloride tail gas, belong to dry tails dedusting technical field.The dust-extraction unit includes air-introduced machine, scrubbing tower, polyvinyl chloride centrifugation mother liquid water water inlet pipe and slurry collection tank；The scrubbing tower includes that the air inlet of tower body lateral wall middle and lower part, the gas outlet being arranged at the top of tower body and the discharge port that tower body bottom is arranged in is arranged in cylindrical tower body, tangent line；The inner sidewall upper portion of the tower body is circumferentially fixed with the water fender tilted down, the water fender is circular ring shape, shower tray is fixed with below the water fender, the shower tray is circle, and the inlet of the shower tray is connect with the polyvinyl chloride centrifugation mother liquid water water inlet pipe.Efficiency of dust collection both can be improved in the dust-extraction unit of the drying polyvinyl chloride tail gas of the utility model, also uses shower water of the polyvinyl chloride centrifugation mother liquid water as scrubbing tower, realizes the bumper harvests of environmental benefit and economic benefit.
Description
Technical field
The utility model relates to a kind of dust-extraction units of drying polyvinyl chloride tail gas, belong to dry tails dedusting technology neck
Domain.
Background technique
Polyvinyl chloride, English abbreviation PVC (Polyvinyl chloride) are vinyl chloride monomer (vinyl chloride
Monomer, abbreviation VCM) in initiators such as peroxide, azo-compounds；Or Raolical polymerizable is pressed under light, heat effect
The polymer that mechanism is polymerized.Ryuron and vinyl chloride copolymer system are referred to as vinyl chloride resin.
Currently, mostly using cyclone dust removal method that wind is dried in the drying process of domestic suspension method production polyvinyl chloride
Machine exports gas solid separation, and Cyclone outlet still has partial size lesser polyvinyl chloride resin particle in part to take out of, overflows dust
Not only ambient enviroment was impacted, but also leads to the waste of Corvic.Above-mentioned dry tails dedusting process efficiency is lower, row
Mouth detection dust content is generally in 30~200mg/m3。
In consideration of it, it is necessary to provide the dust-extraction unit and dust removal method of a kind of new drying polyvinyl chloride tail gas, to solve
The deficiencies in the prior art.
Utility model content
One of the purpose of this utility model is to provide a kind of dust-extraction unit of drying polyvinyl chloride tail gas.The utility model
Drying polyvinyl chloride tail gas dust-extraction unit, structure is simple, and efficiency of dust collection both can be improved, significantly improve production environment,
It realizes the recycling of polyvinyl chloride dust, also uses shower water of the polyvinyl chloride centrifugation mother liquid water as scrubbing tower, not additionally
Increase water consume, turn waste into wealth, realizes the bumper harvests of environmental benefit and economic benefit.
The technical solution that the utility model solves above-mentioned technical problem is as follows：A kind of dedusting dress of drying polyvinyl chloride tail gas
It sets, including air-introduced machine, scrubbing tower, polyvinyl chloride centrifugation mother liquid water water inlet pipe and slurry collection tank；
The scrubbing tower includes cylindrical tower body, the air inlet of tower body lateral wall middle and lower part is arranged in tangent line, setting exists
Gas outlet at the top of tower body and the discharge port that tower body bottom is arranged in, the air inlet are connect with the gas outlet of the air-introduced machine；
The discharge port is connect with the slurry collection tank；
The inner sidewall upper portion of the tower body is circumferentially fixed with the water fender tilted down, and the water fender is annulus
Shape, is fixed with shower tray below the water fender, and the shower tray is circle, the inlet of the shower tray and described poly-
The connection of vinyl chloride centrifuge mother liquor water water inlet pipe.
The principles of the present invention are：
The utility model is to increase scrubbing tower in the air-introduced machine outlet of the polyvinyl chloride dry drying system of the prior art.Polychlorostyrene
Ethylene drying bed tail gas (specific gravity 1.28kg/m3) and carry a small amount of polyvinyl chloride particles (specific gravity 1200kg/m3), pass through
Air-introduced machine outlet enters air inlet, and then tangent line enters in the tower body of scrubbing tower, and rotation rises；In the effect of centrifugal force
Under, polyvinyl chloride particles are thrown toward the inner sidewall of tower body；The inner sidewall upper portion of tower body is circumferentially fixed with the gear tilted down
Water plate is fixed with shower tray below water fender, and the inlet of shower tray is connect with polyvinyl chloride centrifugation mother liquid water water inlet pipe,
Polyvinyl chloride centrifugation mother liquid water is sprayed by inner sidewall of the Fan spray head in shower tray to tower body, is formed on inner sidewall
One layer very thin of continuous defluent moisture film, polyvinyl chloride particles are sticked by moisture film, collect downwards along inner sidewall, through tower body bottom
The discharge port in portion enters slurry collection tank, subsequent to be recycled；Drying polyvinyl chloride tailstock gas (i.e. dry heat after dedusting
Air) it is discharged from the gas outlet at the top of tower body.
Based on the above technical solution, the utility model can also do following improvement.
Further, the outer edge of the water fender is located on the inner sidewall of tower body, and inside edge tilts down and is no more than tower
The 1/7 of body diameter, the angle between the water fender and the inner sidewall of tower body are 50 ° -60 °.
Further, the fore-and-aft distance at the top of the outer edge of the water fender and the tower body is 500mm~900mm, institute
The fore-and-aft distance of the outer edge and shower tray of stating water fender is 90mm~200mm, and the diameter of the outer edge of the water fender is
3000mm, the diameter of inside edge are 2700mm.
Wherein, above-mentioned signified longitudinal direction is along 2 axially direction of tower body, i.e. vertical direction.
Further, the diameter of the shower tray is 25mm, is evenly equipped with Fan spray head in the shower tray.
It is using above-mentioned further beneficial effect：The atomizing effect of Fan spray head is good, it is spraying uniformly, super-fine atomization and
Effectively improve the adhesive rate of polyvinyl chloride centrifugation mother liquid water.
Further, the quantity of the Fan spray head is 70~120, and aperture is 1~1.5mm.
Further, the diameter of the tower body is 2700mm~3200mm, is highly 7000mm~9000mm.
Further, the fore-and-aft distance at the top of the air inlet and the tower body is 5000mm~7000mm.
The two of the purpose of this utility model are provided and a kind of are dusted to drying polyvinyl chloride tail gas using above-mentioned apparatus
Method.The dust removal method of the drying polyvinyl chloride tail gas of the utility model, simple process, high dust collection efficiency, dust content is by existing
There is the 42mg/m of technology3It is reduced to 5mg/m3Hereinafter, 0.3kg polyvinyl chloride particles can be recycled in every 1 ton of polyvinyl chloride of production, reduce
The discharge of polyvinyl chloride centrifugation mother liquid water, wide market are suitble to large-scale promotion application.
The technical solution that the utility model solves above-mentioned technical problem is as follows：It is a kind of to utilize above-mentioned apparatus to polyvinyl chloride dry
The method that dry tail gas is dusted, includes the following steps：
Drying polyvinyl chloride tailstock gas enters air inlet by air-introduced machine outlet, and then tangent line enters scrubbing tower
In tower body, rotation rises；
Under the influence of centrifugal force, the polyvinyl chloride particles in drying polyvinyl chloride tailstock gas are thrown toward the inside of tower body
Wall；
The inner sidewall upper portion of tower body is circumferentially fixed with the water fender tilted down, and spray is fixed with below water fender
The inlet of tray, shower tray is connect with polyvinyl chloride centrifugation mother liquid water water inlet pipe, and polyvinyl chloride centrifugation mother liquid water passes through spray
Disk sprays the inner sidewall of tower body, and one layer very thin of continuous defluent moisture film, polyvinyl chloride are formed on inner sidewall
Grain is sticked by moisture film, collects downwards along inner sidewall, and the discharge port through tower body bottom enters slurry collection tank, subsequent recycling benefit
With；
Drying polyvinyl chloride tailstock gas after dedusting is discharged from the gas outlet at the top of tower body.
The beneficial effects of the utility model：
(1) dust-extraction unit of the drying polyvinyl chloride tail gas of the utility model, structure is simple, and dedusting effect both can be improved
Rate significantly improves production environment, realizes the recycling of polyvinyl chloride dust, also uses the conduct of polyvinyl chloride centrifugation mother liquid water
The shower water of scrubbing tower, does not increase water consume additionally, turns waste into wealth, and realizes the bumper harvests of environmental benefit and economic benefit.
(2) dust removal method of the drying polyvinyl chloride tail gas of the utility model, simple process, high dust collection efficiency, dust contain
Measure the 42mg/m by the prior art3It is reduced to 5mg/m3Hereinafter, 0.3-0.4kg polyvinyl chloride can be recycled in every 1 ton of polyvinyl chloride of production
Particle, reduces the discharge of polyvinyl chloride centrifugation mother liquid water, and wide market is suitble to large-scale promotion application.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the dust-extraction unit of the drying polyvinyl chloride tail gas of the utility model.
Fig. 2 is the structural schematic diagram of the partial enlargement in Fig. 1 at A.
Fig. 3 is the top view in Fig. 1 at A.
Fig. 4 is the top view in Fig. 1 at B.
In attached drawing, parts list represented by the reference numerals are as follows：
1, air-introduced machine, 2, scrubbing tower, 3, polyvinyl chloride centrifugation mother liquid water water inlet pipe, 4, slurry collection tank, 5, tower body, 6, into
Port, 7, discharge port, 8, water fender, 9, shower tray, 10, Fan spray head.
Specific embodiment
The principles of the present invention and feature are described below in conjunction with specific attached drawing, example is served only for explaining this
Utility model is not intended to limit the scope of the utility model.
Embodiment 1
The dust-extraction unit of the drying polyvinyl chloride tail gas of the present embodiment, including air-introduced machine 1, scrubbing tower 2, polyvinyl chloride centrifugation
Mother liquid coming water inlet pipe 3 and slurry collection tank 4；
The scrubbing tower 2 is arranged in the air inlet 6 of 5 lateral wall middle and lower part of tower body, sets including cylindrical tower body 5, tangent line
It sets the gas outlet at the top of tower body 5 and the discharge port 7 of 5 bottom of tower body is set, the air inlet 6 goes out with the air-introduced machine 1
Port connection；The discharge port 7 is connect with the slurry collection tank 4；
The inner sidewall upper portion of the tower body 5 is circumferentially fixed with the water fender 8 tilted down, and the water fender 8 is circle
Annular, the lower section of the water fender 8 are fixed with shower tray 9, and the shower tray 9 is circle, the inlet of the shower tray 9 with
The polyvinyl chloride centrifugation mother liquid water water inlet pipe 3 connects.
The outer edge of the water fender 8 is located on the inner sidewall of tower body 5, and inside edge tilts down and is no more than tower body 5 directly
The 1/7 of diameter, the angle α between the water fender 8 and the inner sidewall of tower body 5 are 50 °.
The fore-and-aft distance at the top of the outer edge of the water fender 8 and the tower body 5 is 500mm, the water fender 8 it is outer
Edge and the fore-and-aft distance of shower tray 9 are 90mm, and the diameter of the outer edge of the water fender 8 is 3000mm, the diameter of inside edge
For 2700mm.
The diameter of the shower tray 9 is 25mm, is evenly equipped with Fan spray head 10 in the shower tray 9.
The quantity of the Fan spray head 10 is 70, aperture 1.5mm.
The diameter of the tower body 5 is 2700mm, is highly 7000mm.
The air inlet 6 and the fore-and-aft distance at the top of the tower body 5 are 5000mm.
The method being dusted using above-mentioned apparatus to drying polyvinyl chloride tail gas of the present embodiment, is included the following steps：
Drying polyvinyl chloride tailstock gas enters air inlet 6 by the outlet of air-introduced machine 1, and then tangent line enters scrubbing tower 2
Tower body 5 in, rotation rise；
Under the influence of centrifugal force, the polyvinyl chloride particles in drying polyvinyl chloride tailstock gas are thrown toward the inside of tower body 5
Wall；
The inner sidewall upper portion of tower body 5 is circumferentially fixed with the water fender 8 tilted down, and the lower section fixation of water fender 8 is set
There is shower tray 9, the inlet of shower tray 9 is connect with polyvinyl chloride centrifugation mother liquid water water inlet pipe 3, and polyvinyl chloride centrifugation mother liquid water is logical
The Fan spray head 10 crossed in shower tray 9 sprays the inner sidewall of tower body 5, on inner sidewall formed one layer very thin it is continuous to
Dirty moisture film, polyvinyl chloride particles are sticked by moisture film, collect downwards along inner sidewall, and the discharge port 7 through 5 bottom of tower body enters
Slurry collection tank 4, it is subsequent to be recycled；
Drying polyvinyl chloride tailstock gas after dedusting is discharged from the gas outlet at 5 top of tower body.
Through detecting, using the dust removal method of the drying polyvinyl chloride tail gas of the present embodiment, dust content is by the prior art
42mg/m3It is reduced to 4.5mg/m3, 0.3kg polyvinyl chloride particles can be recycled in 1 ton of polyvinyl chloride of every production, reduce polyvinyl chloride from
The discharge of heart mother liquid coming.
Embodiment 2
The dust-extraction unit of the drying polyvinyl chloride tail gas of the present embodiment, including air-introduced machine 1, scrubbing tower 2, polyvinyl chloride centrifugation
Mother liquid coming water inlet pipe 3 and slurry collection tank 4；
The scrubbing tower 2 is arranged in the air inlet 6 of 5 lateral wall middle and lower part of tower body, sets including cylindrical tower body 5, tangent line
It sets the gas outlet at the top of tower body 5 and the discharge port 7 of 5 bottom of tower body is set, the air inlet 6 goes out with the air-introduced machine 1
Port connection；The discharge port 7 is connect with the slurry collection tank 4；
The inner sidewall upper portion of the tower body 5 is circumferentially fixed with the water fender 8 tilted down, and the water fender 8 is circle
Annular, the lower section of the water fender 8 are fixed with shower tray 9, and the shower tray 9 is circle, the inlet of the shower tray 9 with
The polyvinyl chloride centrifugation mother liquid water water inlet pipe 3 connects.
The outer edge of the water fender 8 is located on the inner sidewall of tower body 5, and inside edge tilts down and is no more than tower body 5 directly
The 1/7 of diameter, the angle α between the water fender 8 and the inner sidewall of tower body 5 are 50 °.
The fore-and-aft distance at the top of the outer edge of the water fender 8 and the tower body 5 is 700mm, the water fender 8 it is outer
Edge and the fore-and-aft distance of shower tray 9 are 145mm, and the diameter of the outer edge of the water fender 8 is 3000mm, the diameter of inside edge
For 2700mm.
The diameter of the shower tray 9 is 25mm, is evenly equipped with Fan spray head 10 in the shower tray 9.
The quantity of the Fan spray head 10 is 95, aperture 1.2mm.
The diameter of the tower body 5 is 3000mm, is highly 8000mm.
The air inlet 6 and the fore-and-aft distance at the top of the tower body 5 are 6000mm.
The method being dusted using above-mentioned apparatus to drying polyvinyl chloride tail gas of the present embodiment, is included the following steps：
Drying polyvinyl chloride tailstock gas enters air inlet 6 by the outlet of air-introduced machine 1, and then tangent line enters scrubbing tower 2
Tower body 5 in, rotation rise；
Under the influence of centrifugal force, the polyvinyl chloride particles in drying polyvinyl chloride tailstock gas are thrown toward the inside of tower body 5
Wall；
The inner sidewall upper portion of tower body 5 is circumferentially fixed with the water fender 8 tilted down, and the lower section fixation of water fender 8 is set
There is shower tray 9, the inlet of shower tray 9 is connect with polyvinyl chloride centrifugation mother liquid water water inlet pipe 3, and polyvinyl chloride centrifugation mother liquid water is logical
The Fan spray head 10 crossed in shower tray 9 sprays the inner sidewall of tower body 5, on inner sidewall formed one layer very thin it is continuous to
Dirty moisture film, polyvinyl chloride particles are sticked by moisture film, collect downwards along inner sidewall, and the discharge port 7 through 5 bottom of tower body enters
Slurry collection tank 4, it is subsequent to be recycled；
Drying polyvinyl chloride tailstock gas after dedusting is discharged from the gas outlet at 5 top of tower body.
Through detecting, using the dust removal method of the drying polyvinyl chloride tail gas of the present embodiment, dust content is by the prior art
42mg/m3It is reduced to 3mg/m3, every recyclable 0.4kg polyvinyl chloride particles of 1 ton of polyvinyl chloride of production, reduction polyvinyl chloride centrifugation
Mother liquid coming discharge.
Embodiment 3
The dust-extraction unit of the drying polyvinyl chloride tail gas of the present embodiment, including air-introduced machine 1, scrubbing tower 2, polyvinyl chloride centrifugation
Mother liquid coming water inlet pipe 3 and slurry collection tank 4；
The scrubbing tower 2 is arranged in the air inlet 6 of 5 lateral wall middle and lower part of tower body, sets including cylindrical tower body 5, tangent line
It sets the gas outlet at the top of tower body 5 and the discharge port 7 of 5 bottom of tower body is set, the air inlet 6 goes out with the air-introduced machine 1
Port connection；The discharge port 7 is connect with the slurry collection tank 4；
The inner sidewall upper portion of the tower body 5 is circumferentially fixed with the water fender 8 tilted down, and the water fender 8 is circle
Annular, the lower section of the water fender 8 are fixed with shower tray 9, and the shower tray 9 is circle, the inlet of the shower tray 9 with
The polyvinyl chloride centrifugation mother liquid water water inlet pipe 3 connects.
The outer edge of the water fender 8 is located on the inner sidewall of tower body 5, and inside edge tilts down and is no more than tower body 5 directly
The 1/7 of diameter, the angle α between the water fender 8 and the inner sidewall of tower body 5 are 50 °.
The fore-and-aft distance at the top of the outer edge of the water fender 8 and the tower body 5 is 900mm, the water fender 8 it is outer
Edge and the fore-and-aft distance of shower tray 9 are 200mm, and the diameter of the outer edge of the water fender 8 is 3000mm, the diameter of inside edge
For 2700mm.
The diameter of the shower tray 9 is 25mm, is evenly equipped with Fan spray head 10 in the shower tray 9.
The quantity of the Fan spray head 10 is 120, aperture 1mm.
The diameter of the tower body 5 is 3200mm, is highly 9000mm.
The air inlet 6 and the fore-and-aft distance at the top of the tower body 5 are 7000mm.
The method being dusted using above-mentioned apparatus to drying polyvinyl chloride tail gas of the present embodiment, is included the following steps：
Drying polyvinyl chloride tailstock gas enters air inlet 6 by the outlet of air-introduced machine 1, and then tangent line enters scrubbing tower 2
Tower body 5 in, rotation rise；
Under the influence of centrifugal force, the polyvinyl chloride particles in drying polyvinyl chloride tailstock gas are thrown toward the inside of tower body 5
Wall；
The inner sidewall upper portion of tower body 5 is circumferentially fixed with the water fender 8 tilted down, and the lower section fixation of water fender 8 is set
There is shower tray 9, the inlet of shower tray 9 is connect with polyvinyl chloride centrifugation mother liquid water water inlet pipe 3, and polyvinyl chloride centrifugation mother liquid water is logical
The Fan spray head 10 crossed in shower tray 9 sprays the inner sidewall of tower body 5, on inner sidewall formed one layer very thin it is continuous to
Dirty moisture film, polyvinyl chloride particles are sticked by moisture film, collect downwards along inner sidewall, and the discharge port 7 through 5 bottom of tower body enters
Slurry collection tank 4, it is subsequent to be recycled；
Drying polyvinyl chloride tailstock gas after dedusting is discharged from the gas outlet at 5 top of tower body.
Through detecting, using the dust removal method of the drying polyvinyl chloride tail gas of the present embodiment, dust content is by the prior art
42mg/m3It is reduced to 4mg/m3, every recyclable 0.35kg polyvinyl chloride particles of 1 ton of polyvinyl chloride of production, reduction polyvinyl chloride centrifugation
Mother liquid coming discharge.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (7)
1. a kind of dust-extraction unit of drying polyvinyl chloride tail gas, which is characterized in that including air-introduced machine (1), scrubbing tower (2), polychlorostyrene
Ethylene centrifuge mother liquor water water inlet pipe (3) and slurry collection tank (4)；
The scrubbing tower (2) include cylindrical tower body (5), tangent line setting tower body (5) lateral wall middle and lower part air inlet
(6), discharge port (7) of the gas outlet being arranged at the top of tower body (5) with setting in tower body (5) bottom, the air inlet (6) and institute
State the gas outlet connection of air-introduced machine (1)；The discharge port (7) connect with the slurry collection tank (4)；
The inner sidewall upper portion of the tower body (5) is circumferentially fixed with the water fender (8) tilted down, and the water fender (8) is
Circular ring shape is fixed with shower tray (9) below the water fender (8), and the shower tray (9) is circle, the shower tray (9)
Inlet connect with the polyvinyl chloride centrifugation mother liquid water water inlet pipe (3).
2. a kind of dust-extraction unit of drying polyvinyl chloride tail gas according to claim 1, which is characterized in that the water fender
(8) outer edge is located on the inner sidewall of tower body (5), and inside edge tilts down and be no more than the 1/7 of tower body (5) diameter, described
Angle α between water fender (8) and the inner sidewall of tower body (5) is 50 ° -60 °.
3. a kind of dust-extraction unit of drying polyvinyl chloride tail gas according to claim 1, which is characterized in that the water fender
(8) fore-and-aft distance at the top of outer edge and the tower body (5) is 500mm~900mm, the outer edge of the water fender (8)
Fore-and-aft distance with shower tray (9) is 90mm~200mm, and the diameter of the outer edge of the water fender (8) is 3000mm, inside edge
Diameter be 2700mm.
4. a kind of dust-extraction unit of drying polyvinyl chloride tail gas according to claim 1, which is characterized in that the shower tray
(9) diameter is 25mm, is evenly equipped with Fan spray head (10) on the shower tray (9).
5. a kind of dust-extraction unit of drying polyvinyl chloride tail gas according to claim 4, which is characterized in that the fan-shaped spray
The quantity of head (10) is 70~120, and aperture is 1~1.5mm.
6. a kind of dust-extraction unit of drying polyvinyl chloride tail gas according to claim 1, which is characterized in that the tower body
(5) diameter is 2700mm~3200mm, is highly 7000mm~9000mm.
7. a kind of dust-extraction unit of drying polyvinyl chloride tail gas according to claim 1, which is characterized in that the air inlet
It (6) is 5000mm~7000mm with the fore-and-aft distance at the top of the tower body (5).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721883940 | 2017-12-28 | ||
| CN2017218839405 | 2017-12-28 |
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| CN208161287U true CN208161287U (en) | 2018-11-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108499285A (en) * | 2017-12-28 | 2018-09-07 | 新疆华泰重化工有限责任公司 | A kind of dust-extraction unit and dust removal method of drying polyvinyl chloride tail gas |
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2018
- 2018-03-15 CN CN201820353613.7U patent/CN208161287U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108499285A (en) * | 2017-12-28 | 2018-09-07 | 新疆华泰重化工有限责任公司 | A kind of dust-extraction unit and dust removal method of drying polyvinyl chloride tail gas |
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