CN110201506A - A kind of low-temperature plasma photodissociation equipment complex based on organic waste-gas purification - Google Patents
A kind of low-temperature plasma photodissociation equipment complex based on organic waste-gas purification Download PDFInfo
- Publication number
- CN110201506A CN110201506A CN201910451929.9A CN201910451929A CN110201506A CN 110201506 A CN110201506 A CN 110201506A CN 201910451929 A CN201910451929 A CN 201910451929A CN 110201506 A CN110201506 A CN 110201506A
- Authority
- CN
- China
- Prior art keywords
- cabinet
- low
- temperature plasma
- setting
- sliding block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/023—Pockets filters, i.e. multiple bag filters mounted on a common frame
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/04—Cleaning filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/06—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material with means keeping the working surfaces flat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/48—Removing dust other than cleaning filters, e.g. by using collecting trays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/58—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in parallel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treating Waste Gases (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The present invention relates to a kind of low-temperature plasma photodissociation equipment complex based on organic waste-gas purification, including low-temperature plasma reaction chamber, UV photolysis cell, conduit, except fog chamber, Venturi tube, cabinet, filter bag frame, dedusting filtering bag, escape pipe, gas bag, impulse electromagnetic valve, injection tube, transmission shaft, sliding block, screw rod, motor, cleaning brush and ball nut pair, the setting of low-temperature plasma reaction chamber is removing fog chamber's right end, UV photolysis cell on the upside of conduit and box house by being connected, dedusting filtering bag is located inside filter bag frame, injection tube is connected by tracheae with gas bag, impulse electromagnetic valve is arranged on tracheae, escape pipe is connected on the downside of cabinet right side, motor is arranged in cabinet right side, screw rod is fixedly connected with transmission shaft, ball nut pair is sheathed on the outside of screw rod, and it is embedded in inside sliding block, cleaning brush is arranged in sliding block bottom end, Structure of the invention is excellent, good dedusting effect, and circulation removal of impurities has a good application prospect, practical.
Description
Technical field
The present invention relates to organic waste gas treatment equipment field, specially a kind of low-temperature plasma based on organic waste-gas purification
Photodissociation equipment complex.
Background technique
VOCs treatment refers to the place being adsorbed, filtered to the organic exhaust gas generated in industrial processes, purified
Science and engineering is made.Usual VOCs treatment has the benzene homologues VOCs treatments, third such as formaldehyde VOCs treatment, benzene toluene dimethylbenzene
Ketone butanone VOCs treatment, ethyl acetate exhaust-gas treatment, mist of oil VOCs treatment, furfural VOCs treatment, styrene,
Acrylic acid VOCs treatment, resin VOCs treatment, additive VOCs treatment, coating cloud VOCs treatment, day that
The air cleaning processing mode of the organic matters such as the carbon containing hydrogen-oxygen such as water VOCs treatment.
Organic exhaust gas needs to react by low-temperature plasma in the prior art and photolysis is purified, disclosed in comparison
The shortcomings that file CN207886948U internal use plasma photodissociation reaction unit, this equipment, needs to frequently replace inside
Strainer, dust removing effects are poor, and efficiency of dust collection is low, waste manpower, in conclusion being now badly in need of a kind of based on the low of organic waste-gas purification
Warm plasma light solution equipment complex solves the above-mentioned problem.
Summary of the invention
It is an object of the present invention to provide a kind of low-temperature plasma photodissociation equipment complex based on organic waste-gas purification, on solving
The shortcomings that stating the traditional equipment proposed in background technique is to need to frequently replace internal strainer, and dust removing effects are poor, efficiency of dust collection
It is low, waste human side.
To achieve the above object, the invention provides the following technical scheme: a kind of low temperature based on organic waste-gas purification etc. from
Sub-light solution equipment complex, including apparatus main body, circulation impurity removal mechanism and secondary mechanism, described device main body include the first change
Diameter, low-temperature plasma reaction chamber, UV photolysis cell, conduit and fog chamber is removed, first variable diameter setting is removing fog chamber left end, described low
Warm plasma reaction chamber setting is removing fog chamber's right end, and the UV photolysis cell setting is in low-temperature plasma reaction chamber right end, the UV
Photolysis cell is connected by conduit and box house upside, the circulation impurity removal mechanism include Venturi tube, cabinet, filter bag frame,
Aggregate bin, stabilizer blade, discharge valve, dedusting filtering bag, escape pipe, gas bag, impulse electromagnetic valve and injection tube, the filter bag frame pass through text
Family name's pipe is arranged in box house, and the dedusting filtering bag is located inside filter bag frame, and the stabilizer blade is arranged in cabinet lower end, the collection
Hopper setting is in box house bottom end, and in aggregate bin bottom end, the injection tube is arranged on box house for the discharge valve setting
Side, the injection tube are connected by tracheae with gas bag, and the impulse electromagnetic valve is arranged on tracheae, and the escape pipe is connected to
On the downside of cabinet right side, the secondary mechanism is arranged on the upside of the Venturi tube of box house, secondary mechanism packet
Transmission shaft, sliding block, screw rod, motor, cleaning brush and ball nut pair are included, the transmission shaft is rotatably connected on box house Wen
On the upside of pipe, the motor setting is connect in cabinet right side, and with transmission shaft driven, the screw rod and the fixed company of transmission shaft
It connecing, the sliding block is slidably connected at box house, and the ball nut pair is sheathed on the outside of screw rod, and is embedded in inside sliding block,
The cleaning brush is arranged in sliding block bottom end.
Further, the escape pipe right end is provided with flange connector, and sealant is enclosed with outside flange connector
Pad.
Further, the cabinet top end face is hinged with case lid, and case lid and cabinet contact surface are provided with sealing joint strip.
Further, the filter bag frame and dedusting filtering bag are equipped with several, several described filter bag frames are distributed in
Venturi tube lower end.
Further, the cleaning brush is double-layer structure, and cleaning brush lower surface fits with Venturi tube upper surface.
Compared with prior art, the beneficial effects of the present invention are: the present invention make exhaust gas by low-temperature plasma reaction chamber into
The reaction of row low-temperature plasma, and photolysis is carried out by UV photolysis cell；The present invention is by dedusting filtering bag to the particle in exhaust gas
Impurity is adsorbed；The present invention is filtered by impulse electromagnetic valve, injection tube and gas bag, by the gas boosting after-blow in gas bag to dedusting
Bag, makes dedusting filtering bag volume expansion, and the impurity of absorption is removed；The present invention passes through transmission shaft, sliding block, screw rod, motor, cleaning
Brush and ball nut pair clean the impurity adhered in Wen's pipe surface, and impurity are cleared up to dedusting filtering bag.Knot of the present invention
Structure is excellent, good dedusting effect, and circulation removal of impurities has a good application prospect, practical.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram that impurity removal mechanism is recycled in the present invention；
Fig. 3 is the structural schematic diagram of secondary mechanism in the present invention.
In appended drawing reference: 1. first variable diameters；2. low-temperature plasma reaction chamber；3.UV photolysis cell；4. conduit；5. circulation removal of impurities
Mechanism；6. secondary mechanism；7. removing fog chamber；501. Venturi tube；502. cabinet；503. filter bag frame；504. aggregate bin；505.
Stabilizer blade；506. discharge valve；507. dedusting filtering bag；508. escape pipe；509. ring flange；510. gas bag；511. impulse electromagnetic valve；
512. injection tube；61. transmission shaft；62. sliding block；63. screw rod；64. motor；65. cleaning brush；66. ball nut pair.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-3 is please referred to, the present invention provides a kind of technical solution: a kind of low-temperature plasma light based on organic waste-gas purification
Solve equipment complex, including apparatus main body, circulation impurity removal mechanism 5 and secondary mechanism 6, apparatus main body includes the first variable diameter 1, low
Warm plasma reaction chamber 2, UV photolysis cell 3, conduit 4 and remove fog chamber 7, the first variable diameter 1 setting remove 7 left end of fog chamber, low temperature etc. from
The sub- setting of reaction chamber 2 is removing 7 right end of fog chamber, and in 2 right end of low-temperature plasma reaction chamber, UV photolysis cell 3 passes through the setting of UV photolysis cell 3
Conduit 4 is connected with 502 upper inside of cabinet.
Recycling impurity removal mechanism 5 includes Venturi tube 501, cabinet 502, filter bag frame 503, aggregate bin 504, stabilizer blade 505, discharging
Valve 506, dedusting filtering bag 507, escape pipe 508, gas bag 510, impulse electromagnetic valve 511 and injection tube 512, filter bag frame 503 pass through
Venturi tube 501 is arranged inside cabinet 502, and dedusting filtering bag 507 is located inside filter bag frame 503, and stabilizer blade 505 is arranged in cabinet
502 lower ends, the setting of aggregate bin 504 are arranged in 502 inner bottom of cabinet, discharge valve 506 in 504 bottom end of aggregate bin, injection tube 512
Setting is connected by tracheae with gas bag 510 in 502 upper inside of cabinet, injection tube 512, and impulse electromagnetic valve 511 is arranged in gas
Guan Shang, escape pipe 508 are connected on the downside of 502 right side of cabinet.
501 upside of Venturi tube inside cabinet 502 is arranged in secondary mechanism 6, and secondary mechanism 6 includes transmission shaft
61, sliding block 62, screw rod 63, motor 64, cleaning brush 65 and ball nut pair 66, transmission shaft 61 are rotatably connected in cabinet 502
501 upside of portion's Venturi tube, motor 64 are arranged in 502 right side of cabinet, and are sequentially connected with transmission shaft 61, screw rod 63 and transmission
Axis 61 is fixedly connected, and sliding block 62 is slidably connected inside cabinet 502, and ball nut pair 66 is sheathed on 63 outside of screw rod, and inlays
Inside sliding block 62, cleaning brush 65 is arranged in 62 bottom end of sliding block, and structure of the invention is excellent, good dedusting effect, and circulation removal of impurities has
Good application prospect, it is practical.
In order to which escape pipe 508 is connect with externally connected exhaust pipe, it is preferred that 508 right end of escape pipe is provided with flange connector
509, and seal gasket is enclosed with outside flange connector 509.
In order to which cabinet 502 is overhauled and is cleared up, it is preferred that 502 top end face of cabinet is hinged with case lid, and case lid and case
502 contact surface of body is provided with sealing joint strip.
For removal of impurities more evenly, it is preferred that filter bag frame 503 and dedusting filtering bag 507 are equipped with several, several filters
Bag frame 503 is distributed in 501 lower end of Venturi tube.
In order to which cleaning brush 65 preferably cleans Venturi tube 501, it is preferred that cleaning brush 65 is double-layer structure, and cleaning brush 65
Lower surface fits with 501 upper surface of Venturi tube.
The present invention is at work: organic exhaust gas is entered by the first variable diameter 1 and removes fog chamber 7, and sequentially pass through low temperature etc. from
Sub- reaction chamber 2 and UV photolysis cell 3 carry out impurity removal reaction to organic exhaust gas inside, and are delivered to cabinet 502 eventually by conduit 4
Inside, and enter inside dedusting filtering bag 507 by Venturi tube 501, final gas is discharged by escape pipe 508, after purification,
The output end rotation of service meter 64, motor 64 drives transmission shaft 61 to rotate, and transmission shaft 61 drives screw rod 63 to rotate, ball
Pair of nut 66 is rotated and is moved left and right inside cabinet 502, and is moved left and right with movable slider 62, and sliding block 62 drives cleaning brush 65 left
It moves right, cleaning brush 65 cleans venturi tube, and impurity is cleared up to dedusting filtering bag 507, runs impulse electromagnetic valve
511, impulse electromagnetic valve 511 will spray to dedusting filtering bag 507 after the gas boosting in gas bag 510,507 volume expansion of dedusting filtering bag,
The impurity remained in inside dedusting filtering bag 507 is fallen inside aggregate bin 504, so that user of service is carried out by discharge valve 506
Cleaning, and be recycled, to solve the disadvantage that traditional equipment is to need to frequently replace internal strainer, dust removing effects are poor,
The problem of efficiency of dust collection is low, wastes human side.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, for this field skill
For art personnel, it is clear that invention is not limited to the details of the above exemplary embodiments, and without departing substantially from spirit of the invention or
In the case where essential characteristic, the present invention can be realized in other specific forms.Therefore, in all respects, should all incite somebody to action
Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that including all changes that fall within the meaning and scope of the equivalent elements of the claims in the present invention
It is interior.Any reference signs in the claims should not be construed as limiting the involved claims.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of low-temperature plasma photodissociation equipment complex based on organic waste-gas purification, including apparatus main body, circulation impurity removal mechanism
(5) and secondary mechanism (6), it is characterised in that: described device main body includes the first variable diameter (1), low-temperature plasma reaction chamber
(2), UV photolysis cell (3), conduit (4) and fog chamber (7) are removed, first variable diameter (1) setting is removing fog chamber (7) left end, described low
Warm plasma reaction chamber (2) setting is removing fog chamber (7) right end, and UV photolysis cell (3) setting is in low-temperature plasma reaction chamber (2)
Right end, the UV photolysis cell (3) are connected by conduit (4) with cabinet (502) upper inside；
The circulation impurity removal mechanism (5) includes Venturi tube (501), cabinet (502), filter bag frame (503), aggregate bin (504), branch
Foot (505), discharge valve (506), dedusting filtering bag (507), escape pipe (508), gas bag (510), impulse electromagnetic valve (511) and blowing
It manages (512), the dedusting filtering bag (507) internal in cabinet (502) is arranged by Venturi tube (501) for the filter bag frame (503)
Internal positioned at filter bag frame (503), stabilizer blade (505) setting exists in cabinet (502) lower end, aggregate bin (504) setting
Cabinet (502) inner bottom, discharge valve (506) setting exist in aggregate bin (504) bottom end, injection tube (512) setting
Cabinet (502) upper inside, the injection tube (512) are connected by tracheae with gas bag (510), the impulse electromagnetic valve
(511) it is arranged on tracheae, the escape pipe (508) is connected on the downside of cabinet (502) right side；
Secondary mechanism (6) setting is on the upside of the internal Venturi tube (501) of cabinet (502), the secondary mechanism
It (6) include that transmission shaft (61), sliding block (62), screw rod (63), motor (64), cleaning brush (65) and ball nut are secondary (66), institute
It states transmission shaft (61) to be rotatably connected on the upside of cabinet (502) inner venturi (501), the motor (64) is arranged in cabinet
(502) right side, and be sequentially connected with transmission shaft (61), the screw rod (63) is fixedly connected with transmission shaft (61), the sliding block
(62) it is internal to be slidably connected at cabinet (502), the ball nut secondary (66) is sheathed on the outside of screw rod (63), and is embedded in sliding block
(62) internal, the cleaning brush (65) is arranged in sliding block (62) bottom end.
2. a kind of low-temperature plasma photodissociation equipment complex based on organic waste-gas purification according to claim 1, feature
Be: escape pipe (508) right end is provided with flange connector (509), and is enclosed with sealing outside flange connector (509)
Rubber mat.
3. a kind of low-temperature plasma photodissociation equipment complex based on organic waste-gas purification according to claim 1, feature
Be: cabinet (502) top end face is hinged with case lid, and case lid and cabinet (502) contact surface are provided with sealing joint strip.
4. a kind of low-temperature plasma photodissociation equipment complex based on organic waste-gas purification according to claim 1, feature
Be: the filter bag frame (503) and dedusting filtering bag (507) are equipped with several, several described filter bag frames (503) are uniformly distributed
In Venturi tube (501) lower end.
5. a kind of low-temperature plasma photodissociation equipment complex based on organic waste-gas purification according to claim 1, feature
Be: the cleaning brush (65) is double-layer structure, and cleaning brush (65) lower surface fits with Venturi tube (501) upper surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910451929.9A CN110201506A (en) | 2019-05-28 | 2019-05-28 | A kind of low-temperature plasma photodissociation equipment complex based on organic waste-gas purification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910451929.9A CN110201506A (en) | 2019-05-28 | 2019-05-28 | A kind of low-temperature plasma photodissociation equipment complex based on organic waste-gas purification |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110201506A true CN110201506A (en) | 2019-09-06 |
Family
ID=67789123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910451929.9A Withdrawn CN110201506A (en) | 2019-05-28 | 2019-05-28 | A kind of low-temperature plasma photodissociation equipment complex based on organic waste-gas purification |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110201506A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110947253A (en) * | 2019-11-29 | 2020-04-03 | 大唐东营发电有限公司 | Boiler waste heat recovery device for thermal power plant |
| CN111558460A (en) * | 2020-04-30 | 2020-08-21 | 湖南普泰尔环境股份有限公司 | Low-temperature plasma deodorization equipment |
-
2019
- 2019-05-28 CN CN201910451929.9A patent/CN110201506A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110947253A (en) * | 2019-11-29 | 2020-04-03 | 大唐东营发电有限公司 | Boiler waste heat recovery device for thermal power plant |
| CN110947253B (en) * | 2019-11-29 | 2021-11-19 | 大唐东营发电有限公司 | Boiler waste heat recovery device for thermal power plant |
| CN111558460A (en) * | 2020-04-30 | 2020-08-21 | 湖南普泰尔环境股份有限公司 | Low-temperature plasma deodorization equipment |
| CN111558460B (en) * | 2020-04-30 | 2022-04-15 | 湖南普泰尔环境股份有限公司 | Low-temperature plasma deodorization equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203886370U (en) | Waste gas dust removal and filtration treater | |
| CN204502622U (en) | A kind of dust arrester for working chamber | |
| CN107115744B (en) | A kind of centrifugal industrial dust collector | |
| CN110201506A (en) | A kind of low-temperature plasma photodissociation equipment complex based on organic waste-gas purification | |
| CN205461615U (en) | High -efficient dust collecting equipment | |
| CN204535440U (en) | A kind of kiln gas secondary utilization device | |
| CN208803120U (en) | A kind of roller-hearth continuous annealing furnace filtering oil smoke water cooling plant | |
| CN204901803U (en) | Production boiler | |
| CN107261680B (en) | A kind of domestic air dust-extraction unit | |
| CN108970319A (en) | A kind of energy conservation and environmental protection cleaner | |
| CN210814463U (en) | Indoor air low temperature circulation air treatment purifies scrubbing system | |
| CN207126676U (en) | A kind of electrostatic precipitator | |
| CN110448984A (en) | A kind of high-efficiency energy-saving dust-removing equipment | |
| CN215995938U (en) | Workshop dust collecting equipment for steel processing | |
| CN107537693A (en) | A kind of electrostatic precipitator | |
| CN209622995U (en) | A kind of Cryogenic air purification device | |
| CN208436563U (en) | A kind of flue gas desulfurization waste heat recycle device | |
| CN206867866U (en) | A kind of air purifier with automatic cleaning function | |
| CN207102206U (en) | A kind of emission-control equipment for being easy to cleaning | |
| CN210584396U (en) | Low temperature plasma photodissociation combination equipment based on organic waste gas purifies | |
| CN215352766U (en) | Tail gas environmental protection processing apparatus of burning experimental furnace | |
| CN221084780U (en) | Circulation purifying device for secondary water supply tank | |
| CN219481919U (en) | Oil pipeline filter screen belt cleaning device | |
| CN219136497U (en) | Dye production purifier | |
| CN108672406A (en) | A kind of Airshower chamber of good dedusting effect |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190906 |