CN109224721B - A kind of flue gas scrubbing apparatus and method for washing flue gas - Google Patents
A kind of flue gas scrubbing apparatus and method for washing flue gas Download PDFInfo
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- CN109224721B CN109224721B CN201811390966.5A CN201811390966A CN109224721B CN 109224721 B CN109224721 B CN 109224721B CN 201811390966 A CN201811390966 A CN 201811390966A CN 109224721 B CN109224721 B CN 109224721B
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- flue gas
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- washing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
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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
- B01D53/14—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 absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
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- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treating Waste Gases (AREA)
Abstract
The present invention relates to boiler smoke process field, particularly a kind of flue gas scrubbing apparatus and method for washing flue gas.The flue gas scrubbing apparatus includes Wai Ta, interior tower, wash mill, air entraining device, filter device, heat-exchanger rig and centrifugal pump, the inner cavity Wai Ta is equipped with interior tower, the upper end Nei Ta is equipped with wash mill, wash mill inner cavity is equipped with air entraining device, outer tower bottom end and interior tower bottom end are connect with filter device, it connect, is connected on the left of heat-exchanger rig with centrifugal pump, centrifugal pump is connect with wash mill with heat-exchanger rig on the left of filter device.Use the flue gas scrubbing apparatus and method for washing flue gas, current flue washing device mostly be can solve in such a way that cleaning solution directly sprays flue gas, the problems such as contact of the cleaning solution with flue gas is not enough, and that there are washing effects is bad, dust removal rate is low, flue gas cool-down effect is undesirable, highly acid substance adsorption capacity difference and cleaning solution consumption is excessive.
Description
Technical field
The present invention relates to boiler smoke process field, particularly a kind of flue gas scrubbing apparatus and method for washing flue gas.
Background technique
Flue gas washing refers to be washed using the flue gas that certain cleaning solution generates industrial production, process gas and alkali
Solution or slurries directly contact, and by least part contaminant trap of the process gas in the aqueous slkali or slurries
In, the particulate matter in flue gas, sulfur dioxide, nitrogen oxides and some other harmful substance for being dissolved in cleaning solution are removed, and drop
Low flue-gas temperature prevents the purpose of pollution environment to reach control flue gas pollutant.
Flue washing device is in such a way that cleaning solution directly sprays flue gas mostly at present, and contact of the cleaning solution with flue gas is not
It is enough sufficiently, that there are washing effects is bad, dust removal rate is low, flue gas cool-down effect is undesirable, highly acid substance adsorption capacity is poor
The problems such as excessive with cleaning solution consumption.
Summary of the invention
The purpose of the present invention is to provide a kind of flue gas scrubbing apparatus and method for washing flue gas, solves most flue gas at present and wash
Device is washed in such a way that cleaning solution directly sprays flue gas, contact of the cleaning solution with flue gas is not enough, and there are washing effects not
It is good, dust removal rate is low, flue gas cool-down effect is undesirable, highly acid substance adsorption capacity difference and cleaning solution consumption are excessive etc. asks
Topic.
To achieve the goals above, the present invention is realized using following technical scheme: a kind of flue gas scrubbing apparatus, including outer
Tower, interior tower, wash mill, air entraining device, filter device, heat-exchanger rig and centrifugal pump, supporting layer, the inner cavity Wai Ta are equipped with
Interior tower, the upper end Nei Ta are equipped with wash mill, and wash mill inner cavity is equipped with air entraining device, outer tower bottom end and interior tower bottom end with
Filter device connection, connect on the left of filter device with heat-exchanger rig, and heat-exchanger rig left side is connected with centrifugal pump, centrifugal pump with wash
Wash device connection.
As a preferred technical solution of the present invention, the wash mill includes inner support layer, washing filler, outer support
Layer, bracket, separating tube, several spray tubes, connecting tube A, threeway, inlet tube, connecting tube B and bushing, the inner support layer peace
Mounted in the upper end Nei Ta, outer support layer is installed outside inner support layer, has between inner support layer and outer support layer and washs filler, in bracket
Circle is mounted on outer support layer, and bracket outer ring is mounted on the inner cavity of outer tower, and separating tube is equipped on bracket, is uniformly pacified on separating tube
Equipped with several spray tubes, with several towards the spouts for washing filler on spray tube, separating tube is connected to connecting tube A, connecting tube A
It is connected to respectively with inlet tube and connecting tube B by threeway, connecting tube B is connected with centrifugal pump, and bushing is mounted on inner support layer, washing
The top of filler and outer support layer.
As a preferred technical solution of the present invention, the upper end Wai Ta is equipped with outlet flue, is equipped in outlet flue
Supporting layer is equipped with demisting filler on supporting layer, and the lower end Wai Ta is equipped with outer liquid collection opening, and outer liquid collection opening is connect with filter device.
As a preferred technical solution of the present invention, the interior tower side wall is equipped with smoke-intake pipe, and smoke-intake pipe passes through outer tower
The through-hole of side wall is connected with existing boiler, and the upper end Nei Ta is equipped with support frame, and the lower end Nei Ta is equipped with interior liquid collection opening, interior liquid collection opening
Through-hole across outer tower bottom is connected with filter device.
As a preferred technical solution of the present invention, the air entraining device includes rotating cylinder, blade and motor, on rotating cylinder
End is mounted in bushing by bearing, and rotating cylinder lower end is installed on the support frame by bearing, and cylinder sidewall is circumferentially evenly distributed
There are several blades, motor is mounted on the upper end Wai Ta, and rotating cylinder is connect with motor shaft by shaft coupling.
As a preferred technical solution of the present invention, the filter device includes liquid storage cabinet, filter plate, capping and row
Dirt pipe, the filter plate are vertically placed in liquid reserve tank body, and liquid storage cabinet is divided into filtering area and the right side in left side by filter plate
The region area Liang Ge to be filtered, area's right side plate to be filtered is equipped with capping by pin shaft, area upper end to be filtered by siphunculus with it is interior
Liquid collection opening connection, area front and rear sides to be filtered plate pass through siphunculus respectively and are connected to liquid collection opening outside front and back, and area's back side panel to be filtered is also
It is communicated with sewage pipe, filtering area is connect by pipeline with heat-exchanger rig.
As a preferred technical solution of the present invention, the inner support layer, outer support layer and supporting layer are not shadow
Ring the reticular structure that liquid passes through.
Using the method for washing flue gas of above-mentioned flue gas scrubbing apparatus, successively the following steps are included:
S1, new cleaning solution is delivered to wash mill through inlet tube, the spout on spray tube uniformly sprays to new cleaning solution
Filler is washed, while opening air entraining device, heat-exchanger rig and centrifugal pump；
S2, flue gas to be washed by smoke-intake pipe is introduced into the inner cavity Nei Ta, air entraining device pressurizes flue gas, and flue gas passes through infiltration
There are the washing filler of cleaning solution and cleaning solution to come into full contact with and pass through the purification of washing filler and enter outer tower, passes through demisting later
Outer tower is discharged from outlet flue in filler, and cleaning solution passes through outer liquid collection opening after washing flue gas and interior liquid collection opening flows into area to be filtered；
Cleaning solution in S3, area to be filtered enters filtering area after filter plate, and solid dirt stay in it is to be filtered
Area；
S4, the cleaning solution in filtering area enter heat-exchanger rig, cooling after recovered heat by pipeline；
S5, cleaning solution after cooling connecting tube B is delivered to by centrifugal pump and mix at threeway with new cleaning solution again into
Enter wash mill；
S6, when in filter device accumulate sufficient amount cleaning solution after, reduce the flow that new cleaning solution enters wash mill, and
The dirt of a certain amount of cleaning solution and accumulation is discharged by sewage pipe for timing；
S7, when area to be filtered accumulation dirt reach specified amount when, open capping cleaning dirt.
The beneficial effects of the present invention are:
1, the present invention can solve at present flue washing device mostly and wash in such a way that cleaning solution directly sprays flue gas
Contact of the liquid with flue gas is not enough, and that there are washing effects is bad, dust removal rate is low, flue gas cool-down effect is undesirable, strong acid
The problems such as property substance adsorption capacity difference and excessive cleaning solution consumption；
2, flue gas scrubbing apparatus proposed by the present invention can be such that cleaning solution recycles, so that the consuming of cleaning solution is reduced,
Reduce equipment operating cost；
3, flue-gas temperature can be effectively reduced in flue gas scrubbing apparatus proposed by the present invention, and can capture the powder in flue gas
Dirt, acid mist and other polluters；
4, the washing filler that the present invention designs is the hollow cylinder with dome, is cooperated on the outside of several fitting washing fillers
The spray tube of shape sprays cleaning solution towards washing filler, interior in a limited space can increase smoke reaction area, to mention
High flue gas washing efficiency；
5, the air entraining device that the present invention designs can increase flue gas wind pressure, and passing through for flue gas can be made more smooth.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the structural schematic diagram of wash mill of the present invention；
Fig. 3 is the structural schematic diagram of air entraining device of the present invention；
Fig. 4 is the structural schematic diagram of filter device of the present invention.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Conjunction is specifically illustrating, and the present invention is further explained.
As shown in fig. 1 to fig. 4, a kind of flue gas scrubbing apparatus, including outer tower 1, interior tower 2, wash mill 3, air entraining device 4,
Filter device 5, heat-exchanger rig 6 and centrifugal pump 7, supporting layer 12, which is characterized in that outer 1 inner cavity of tower is equipped with interior tower 2, interior
2 upper end of tower is equipped with wash mill 3, and 3 inner cavity of wash mill is equipped with air entraining device 4, outer 1 bottom end of tower and 2 bottom end Nei Ta with
Filter device 5 connects, and 5 left side of filter device is connect with heat-exchanger rig 6, and 6 left side of heat-exchanger rig is connected with centrifugal pump 7, is centrifuged
Pump 7 is connect by pipeline with wash mill 3.
If the wash mill 3 include inner support layer 31, washing filler 32, outer support layer 33, bracket 34, separating tube 35,
Dry spray tube 36, connecting tube A37, threeway 38, inlet tube 39, connecting tube B310 and bushing 311, the inner support layer 31 are installed
In interior 2 upper end of tower, outer support layer 33 is installed outside inner support layer 31, there is washing filler between inner support layer 31 and outer support layer 33
32,34 inner ring of bracket is mounted on outer support layer 33, and 34 outer ring of bracket is mounted on the inner cavity of outer tower 1, is equipped on bracket 34 point
Liquid pipe 35, is uniformly equipped with several spray tubes 36 on separating tube 35, with several sprays towards washing fillers 32 on spray tube 36
Mouthful, separating tube 35 is connected to connecting tube A37, and connecting tube A37 is connected to inlet tube 39 and connecting tube B310 respectively by threeway 38,
Connecting tube B310 and centrifugal pump 7 connect, the top that bushing 311 is mounted on inner support layer 31, washs filler 32 and outer support layer 33.
1 upper end of outer tower is equipped with outlet flue 11, is equipped with supporting layer 12 in outlet flue 11, is equipped with and removes on supporting layer 12
Mist filler 13, outer 1 lower end of tower are equipped with outer liquid collection opening 14, and outer liquid collection opening 14 is connect with filter device 5.
2 side wall of interior tower is equipped with smoke-intake pipe 21, and the through-hole that smoke-intake pipe 21 passes through outer 1 side wall of tower is connected with existing boiler
It connects, interior 2 upper end of tower is equipped with support frame 22, and interior 2 lower end of tower is equipped with interior liquid collection opening 23, and interior liquid collection opening 23 passes through the logical of outer 1 bottom of tower
Hole is connected with filter device 5.
The air entraining device 4 includes rotating cylinder 41, blade 42 and motor 43, and 41 upper end of rotating cylinder is mounted on bushing 37 by bearing
Interior, 41 lower end of rotating cylinder is mounted on support frame 22 by bearing, and 41 side wall of rotating cylinder has circumferentially been evenly distributed several blades 42, electricity
Machine 43 is mounted on outer 1 upper end of tower, and rotating cylinder 41 is connect with 43 axis of motor by shaft coupling.
The filter device 5 includes liquid storage cabinet 51, filter plate 52, capping 53 and sewage pipe 54, and the filter plate 52 is perpendicular
To being placed in liquid storage cabinet 51, filter plate 52 by liquid storage cabinet 51 be divided into left side the 51a of filtering area and right side it is to be filtered
Two regions area 51b, 51b right side plate in area to be filtered are equipped with capping 53 by pin shaft, the upper end area 51b to be filtered by siphunculus with
Interior liquid collection opening 23 connects, and the front and rear sides area 51b to be filtered plate passes through siphunculus respectively and is connected to liquid collection opening 14 outside front and back, area to be filtered
51b back side panel is also communicated with sewage pipe 54, and filtering area 51a is connect by pipeline with heat-exchanger rig 6.
The inner support layer 31, outer support layer 33 and supporting layer 12 are the reticular structure for not influencing liquid and passing through.
Using the method for washing flue gas of above-mentioned flue gas scrubbing apparatus, successively the following steps are included:
S1, new cleaning solution is delivered to wash mill 3 through inlet tube 39, the spout on spray tube 36 is uniform by new cleaning solution
Washing filler 32 is sprayed to, while opening air entraining device 4, heat-exchanger rig 6 and centrifugal pump 7；
S2, flue gas to be washed is introduced into interior 2 inner cavity of tower by smoke-intake pipe 21, air entraining device 4 pressurizes flue gas, and flue gas passes through
The washing filler 32 and cleaning solution for being impregnated with cleaning solution come into full contact with and pass through the purification of washing filler 32 and enter outer tower 1, it
Outer tower 1 is discharged from outlet flue 11 by demisting filler 13 afterwards, cleaning solution passes through outer liquid collection opening 14 and interior liquid collection opening after washing flue gas
23 flow into area 51b to be filtered；
Cleaning solution in S3, area 51b to be filtered enters after the filtering of filter plate 52 is already expired filter area 51a, and solid dirt stays
In area 51b to be filtered；
S4, the cleaning solution in filtering area 51a enter heat-exchanger rig 6, cooling after recovered heat by pipeline；
S5, cleaning solution after cooling are delivered to connecting tube B310 and are mixed with new cleaning solution at threeway 38 by centrifugal pumps 7
Reenter wash mill 3；
S6, when in filter device 5 accumulate sufficient amount cleaning solution after, reduce the flow that new cleaning solution enters wash mill 3,
And the dirt of a certain amount of cleaning solution and accumulation is discharged by sewage pipe 54 for timing；
S7, when area 51b to be filtered accumulation dirt reach specified amount when, open capping 53 cleaning dirts.
Due to containing acidic materials in flue gas, is contacted with water and easily corrode wash mill, to prevent wash mill rotten
Erosion influences washing effect, and above-mentioned bracket 34, separating tube 35, spray tube 36 and connecting tube A37 are outer to be lined with vinyl glass squama
Piece.
When the dirt of area 51b to be filtered accumulation reaches specified amount, 53 cleaning dirt of capping is opened, dirt is specified here
Amount determines that the height of general debris accumulation may not exceed filter plate 52 by the height of filter plate 52 and the floor space of area 51b to be filtered
The half of height.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and only illustrating for the description in above embodiments and description is of the invention
Principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these change and change
Into all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent
It defines.
Claims (7)
1. a kind of flue gas scrubbing apparatus, including outer tower (1), interior tower (2), wash mill (3), air entraining device (4), filter device
(5), heat-exchanger rig (6) and centrifugal pump (7), which is characterized in that outer tower (1) inner cavity is equipped with interior tower (2), on interior tower (2)
End is equipped with wash mill (3), and wash mill (3) inner cavity is equipped with air entraining device (4), outer tower (1) bottom end and Nei Ta (2) bottom end
It is connect with filter device (5), filtering area (51a) and area to be filtered (51b), filter device is provided in filter device (5)
(5) left side is connect with heat-exchanger rig (6), is connected on the left of heat-exchanger rig (6) with centrifugal pump (7), centrifugal pump (7) and wash mill
(3) it connects, in which:
The wash mill (3) includes inner support layer (31), washing filler (32), outer support layer (33), bracket (34), separating tube
(35), several spray tubes (36), connecting tube A (37), threeway (38), inlet tube (39), connecting tube B (310) and bushing
(311), the inner support layer (31) is mounted on interior tower (2) upper end, and outer support layer (33), interior branch are equipped with outside inner support layer (31)
Supportting has washing filler (32) between layer (31) and outer support layer (33), bracket (34) inner ring is mounted on outer support layer (33), props up
Frame (34) outer ring is mounted on the inner cavity of outer tower (1), is equipped with separating tube (35) on bracket (34), separating tube is uniformly installed on (35)
Have several spray tubes (36), on spray tube (36) with it is several towards washing filler (32) spouts, separating tube (35) with connect
Pipe A (37) connection, connecting tube A (37) are connected to inlet tube (39) and connecting tube B (310) respectively by threeway (38), connecting tube B
(310) and centrifugal pump (7) connection, bushing (311) are mounted on inner support layer (31), washing filler (32) and outer support layer (33)
Top；
Using the washing methods of above-mentioned flue gas scrubbing apparatus, successively the following steps are included:
S1, new cleaning solution is delivered to wash mill (3) through inlet tube (39), the spout on spray tube (36) is equal by new cleaning solution
It is even to spray to washing filler (32), while opening air entraining device (4), heat-exchanger rig (6) and centrifugal pump (7)；
S2, flue gas to be washed is passed through to tower (2) inner cavity in smoke-intake pipe (21) introducing, air entraining device (4) pressurizes flue gas, and flue gas is logical
It crosses the washing filler (32) for being impregnated with cleaning solution and cleaning solution comes into full contact with and passes through the purification of washing filler (32) and enter outer
Tower (1) is discharged outer tower (1) from outlet flue (11) by demisting filler (13) later, passes through outer liquid collecting after cleaning solution washing flue gas
Mouth (14) and interior liquid collection opening (23) flow into area (51b) to be filtered；
Cleaning solution in S3, area to be filtered (51b) enters after filter plate (52) filtering is already expired filter area (51a), and solid dirt
Stay in area to be filtered (51b)；
Cleaning solution in S4, filtering area (51a) is entered heat-exchanger rig (6) by pipeline, cooling after recovered heat；
S5, cleaning solution after cooling are delivered to connecting tube B (310) and are mixed with new cleaning solution at threeway (38) by centrifugal pumps (7)
Conjunction reenters wash mill (3)；
S6, after the cleaning solution of accumulation sufficient amount, the flow that new cleaning solution enters wash mill (3) is reduced in the filter device (5),
And the dirt of a certain amount of cleaning solution and accumulation is discharged by sewage pipe (54) for timing；
S7, when area to be filtered (51b) accumulation dirt reach specified amount when, open capping (53) clear up dirt.
2. a kind of flue gas scrubbing apparatus as described in claim 1, it is characterised in that: outer tower (1) upper end is equipped with outlet flue (11),
It is equipped with supporting layer (12), is equipped on supporting layer (12) demisting filler (13) in outlet flue (11), outer tower (1) lower end is equipped with outer
Liquid collection opening (14), outer liquid collection opening (14) connect with filter device (5).
3. a kind of flue gas scrubbing apparatus as described in claim 1, it is characterised in that: interior tower (2) side wall is equipped with smoke-intake pipe
(21), the through-hole that smoke-intake pipe (21) passes through outer tower (1) side wall is connected with existing boiler, and interior tower (2) upper end is equipped with support frame
(22), interior tower (2) lower end is equipped with interior liquid collection opening (23), and interior liquid collection opening (23) passes through the through-hole and filter device of outer tower (1) bottom
(5) it is connected.
4. a kind of flue gas scrubbing apparatus as described in claim 1, it is characterised in that: the air entraining device (4) includes rotating cylinder
(41), blade (42) and motor (43), rotating cylinder (41) upper end are mounted in bushing (37) by bearing, and rotating cylinder (41) lower end passes through
Bearing is mounted on support frame (22), and rotating cylinder (41) side wall has circumferentially been evenly distributed several blades (42), motor (43) installation
In Wai Ta (1) upper end, rotating cylinder (41) is connect with motor (43) axis by shaft coupling.
5. a kind of flue gas scrubbing apparatus as described in claim 1, it is characterised in that: the filter device (5) includes liquid reserve tank
Body (51), filter plate (52), capping (53) and sewage pipe (54), the filter plate (52) are vertically placed in liquid storage cabinet (51),
Liquid storage cabinet (51) is divided into the filtering area (51a) in left side and the area (51b) Liang Ge, area to be filtered on right side by filter plate (52)
Domain, area's (51b) right side plate to be filtered are equipped with capping (53) by pin shaft, and the area upper end (51b) to be filtered passes through siphunculus and interior collection
Liquid mouth (23) connection, area (51b) front and rear sides to be filtered plate passes through siphunculus respectively and is connected to liquid collection opening outside front and back (14), to be filtered
Area (51b) back side panel is also communicated with sewage pipe (54), and filtering area (51a) is connect by pipeline with heat-exchanger rig (6).
6. a kind of flue gas scrubbing apparatus as described in claim 1, which is characterized in that the inner support layer (31) and outer support
Layer (33) is the reticular structure for not influencing liquid and passing through.
7. a kind of flue gas scrubbing apparatus as claimed in claim 2, which is characterized in that the supporting layer (12) is not influence liquid
By reticular structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811390966.5A CN109224721B (en) | 2018-11-21 | 2018-11-21 | A kind of flue gas scrubbing apparatus and method for washing flue gas |
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| CN201811390966.5A CN109224721B (en) | 2018-11-21 | 2018-11-21 | A kind of flue gas scrubbing apparatus and method for washing flue gas |
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| Publication Number | Publication Date |
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| CN109224721A CN109224721A (en) | 2019-01-18 |
| CN109224721B true CN109224721B (en) | 2019-09-10 |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003239726A (en) * | 2002-02-19 | 2003-08-27 | Sadao Sakugi | Exhaust emission control device |
| US6759022B2 (en) * | 2002-06-05 | 2004-07-06 | Marsulex Environmental Technologies | Flue gas desulfurization process and apparatus for removing nitrogen oxides |
| CN104174274B (en) * | 2014-08-13 | 2016-02-10 | 北京源深节能技术有限责任公司 | For the spray packed tower of flue gas waste heat recovery |
| CN204478118U (en) * | 2015-03-17 | 2015-07-15 | 刘�东 | Gas cleaning waste-heat recovery device |
| CN204629542U (en) * | 2015-05-11 | 2015-09-09 | 郑州大学 | Gas cleaning and waste heat recovery heating plant |
| CN105276600B (en) * | 2015-10-13 | 2018-07-27 | 北京建筑大学 | A kind of flue gas heat recovery system |
| CN107952327A (en) * | 2017-11-25 | 2018-04-24 | 邹德学 | A kind of Industrial Boiler exhuast gas desulfurization dust-extraction unit |
| CN107998860B (en) * | 2017-12-06 | 2020-04-03 | 中瑞工程设计院有限公司 | Novel waste gas treatment system for treating coal-fired flue gas |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20190806 Address after: No. 5789 Nanting Highway, Tinglin Town, Jinshan District, Shanghai, 201500 Applicant after: Shanghai Jufeng Hot Galvanizing Co., Ltd. Address before: 235 200 Xiaozhuang 41, Wangzhuang Village, Sun Weizi Township, Xiaoxian County, Suzhou City, Anhui Province Applicant before: Wu Yingli |
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Denomination of invention: A flue gas washing device and a flue gas washing method Effective date of registration: 20220616 Granted publication date: 20190910 Pledgee: Shanghai Rural Commercial Bank Co.,Ltd. Jinshan sub branch Pledgor: Shanghai Jufeng Hot Galvanizing Co.,Ltd. Registration number: Y2022310000062 |
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