CN107789940A - A kind of simple type waste gas absorption processing system - Google Patents
A kind of simple type waste gas absorption processing system Download PDFInfo
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- CN107789940A CN107789940A CN201711253843.2A CN201711253843A CN107789940A CN 107789940 A CN107789940 A CN 107789940A CN 201711253843 A CN201711253843 A CN 201711253843A CN 107789940 A CN107789940 A CN 107789940A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/75—Multi-step processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/79—Injecting reactants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8671—Removing components of defined structure not provided for in B01D53/8603 - B01D53/8668
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/10—Oxidants
- B01D2251/106—Peroxides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/104—Alumina
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/106—Silica or silicates
- B01D2253/108—Zeolites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/2073—Manganese
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/91—Bacteria; Microorganisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/404—Further details for adsorption processes and devices using four beds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/414—Further details for adsorption processes and devices using different types of adsorbents
- B01D2259/4141—Further details for adsorption processes and devices using different types of adsorbents within a single bed
- B01D2259/4145—Further details for adsorption processes and devices using different types of adsorbents within a single bed arranged in series
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Treating Waste Gases (AREA)
Abstract
The present invention relates to a kind of simple type waste gas absorption processing system, including mobile treatment box (1), mobile treatment box (1) upper end is connected with air exhauster (2) by pipeline, air exhauster (2) upper end is provided with support bar (4), support bar (4) upper end is arranged with rotatable cigarette smoking system, support bar (4) upper end is additionally provided with locating ring (3), and the cigarette smoking system is set in locating ring (3) upper end.The present invention can be adjusted according to welding position, and waste gas absorption is carried out for waste gas position, and be discharged by internal pipeline, simple in construction, ensure that the adsorption effect of waste gas, ensure the health of staff and the air quality in workshop.
Description
Technical field
The present invention relates to waste gas treatment equipment, belongs to technical field of waste gas treatment, it is more particularly related to a kind of
Simple type waste gas absorption processing system.
Background technology
In machining, some workshops such as welding shop, paint shop, hardening plant, blank preform workshop, change
Laboratory, chemical treatment plant etc. are learned, wherein some poisonous, irritative gas can be produced in processing, or some have
Vapor of evil material etc., if these material non-adsorption treatments, will cause damage to the staff in workshop, and gas
Body Long-Term Sorption in equipment surface or into device interior, can also etching apparatus, equipment is caused damage, therefore, general workshop
There will be waste gas absorbing treatment device, but because workshop is big, the waste gas generating region in it disperses, and generating region, time
Also it is indefinite, therefore in general waste gas adsorption plant can not meet not timing in workshop, the exhaust-gas treatment in indefinite area.
The content of the invention
It is existing so as to solve the invention provides a kind of simple type waste gas absorption processing system based on above technical problem
There is technical problem that can not comprehensively, timely, oriented attachment waste gas, adsorption effect are poor in large space workshop in technology.
To solve above technical problem, the technical solution adopted by the present invention is as follows：
A kind of simple type waste gas absorption processing system, including mobile treatment box, mobile treatment box upper end are connected by pipeline
There is an air exhauster, air exhauster upper end is provided with support bar, and post upper is arranged with rotatable cigarette smoking system, on the support bar
End is additionally provided with locating ring, and the cigarette smoking system is set in locating ring upper end；
The cigarette smoking system includes horizontally rotating the rotating bar being connected with support bar, rotating bar end seals and rotation rod set
Provided with the mobile air-suction cover that can be slid along, mobile air-suction cover, which is connected with, send cigarette flexible pipe, is also arranged with the rotating bar multiple
The suspension ring of cigarette flexible pipe are sent for hanging；It is described to send cigarette flexible pipe to connect by the entrance point after rotating bar and support bar with the air exhauster
Connect, the port of export of air exhauster is connected by pipeline with the mobile treatment box；
The mobile air-suction cover includes cover body, and cover body lower end is provided with multiple mounting holes, is provided with mounting hole detachable
Mobile aspiration column, mobile aspiration column upper end is connected by snakelike metal hose and cover body inside, and the mobile aspiration column also connects
Be connected with and send cigarette soft pipe connection send cigarette pipe, and the pipeline disk that cigarette pipe is sent for folding and unfolding, pipeline disk are provided with the cover body
Inside is provided with torsion spring and resetted for pipeline disk；
The hole wall of the mounting hole is provided with the first permanent magnet, and the mobile aspiration column periphery is provided with and the first permanent magnetism
The second permanent magnet that body coordinates；
Hydrogen peroxide solution area and the solid absorption on the right on the left side are separated to form inside the mobile treatment box by dividing plate
Area, solid absorption area include natural zeolite floor, active oxidation aluminium lamination, active carbon layer, the graphene layer set gradually from the bottom up
And spongy layer, by with the micro- of micropore between natural zeolite layer, active oxidation aluminium lamination, active carbon layer, graphene layer and spongy layer
Orifice plate separates, and the pipeline connected with the air exhauster port of export passes sequentially through spongy layer, graphene layer, active carbon layer and activated alumina
Natural zeolite layer is stretched into after layer, the spongy layer is additionally provided with the communicating pipe connected with hydrogen peroxide solution area bottom, the movement
The escape pipe with being connected at the top of hydrogen peroxide solution area is additionally provided with outside treatment box.
In above technical scheme, manganese dioxide solid bag is provided with the escape pipe.
Compared with prior art, the beneficial effects of the invention are as follows：
1st, the present invention can be moved arbitrarily, and cigarette smoking system is rotatable, and mobile air-suction cover is horizontally moveable, so as to
Mobile air-suction cover is moved to waste gas as needed and produces area, can be carried out for production environment caused by not timing, indefinite area
Waste gas adsorbs, and so as to simplify structure, reduces cost, improves waste gas adsorption effect.
2nd, the mobile air-suction cover in the present invention can be adjusted according to welding position, and waste gas suction is carried out for waste gas position
It is attached, and discharged by internal pipeline, it is simple in construction, ensure that the adsorption effect of waste gas, ensured staff health and
The air quality in workshop.
3rd, mobile air-suction cover of the invention is decomposed into multiple small mobile aspiration columns, mobile aspiration column it is stretchable go out movement
Air-suction cover can carry out waste gas suction so as to suitable for many places exhaust gas source in region be present to many places exhaust gas source simultaneously
It is attached, waste gas adsorb more comprehensively, effect it is more preferable.
4th, the waste gas of absorption can be layered by mobile treatment box of the invention, classification is handled, by harmful gas in waste gas
Body, irritative gas are adsorbed one by one, and gas is carried out disinfection so that the gas of discharge is in safe range, ensure that useless
The treatment effect of gas.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the schematic enlarged-scale view at A in Fig. 1；
Fig. 3 is the upward view of mobile air-suction cover；
Fig. 4 is the structural representation of mobile treatment box；
Label in figure is expressed as：1st, mobile treatment box；2nd, air exhauster；3rd, locating ring；4th, support bar；5th, rotate
Bar；6th, cigarette flexible pipe is sent；7th, suspension ring；8th, mobile air-suction cover；9th, pipeline disk；10th, cigarette pipe is sent；11st, the first permanent magnet；12nd, second
Permanent magnet；13rd, snakelike metal hose；14th, cover body；15th, mobile aspiration column；16th, hydrogen peroxide solution area；17th, communicating pipe；18th, go out
Tracheae；19th, dividing plate；20th, spongy layer；21st, graphene layer；22nd, active carbon layer；23rd, active oxidation aluminium lamination；24th, natural zeolite layer.
Embodiment
The present invention is further illustrated below in conjunction with the accompanying drawings.Embodiments of the present invention include but is not limited to following reality
Apply example.
Embodiment
As Figure 1-Figure 4, a kind of simple type waste gas absorption processing system, including mobile treatment box 1, mobile treatment box 1
Upper end is connected with air exhauster 2 by pipeline, and the upper end of air exhauster 2 is provided with support bar 4, and the upper end of support bar 4 is arranged with rotatably
Cigarette smoking system, the upper end of support bar 4 are additionally provided with locating ring 3, and the cigarette smoking system is set in the upper end of locating ring 3；
The cigarette smoking system includes horizontally rotating the rotating bar 5 being connected, the end seals of rotating bar 5 and rotation with support bar 4
Bar 5 is arranged with the mobile air-suction cover 8 that can be slid along, and mobile air-suction cover 8, which is connected with, send cigarette flexible pipe 6, is also covered in the rotating bar 5
It is used to hang the suspension ring 7 for sending cigarette flexible pipe 6 provided with multiple；It is described to send cigarette flexible pipe 6 by being taken out after rotating bar 5 and support bar 4 with described
The entrance point connection of blower fan 2, the port of export of air exhauster 2 are connected by pipeline with the mobile treatment box 1；
The mobile air-suction cover 8 includes cover body 14, and the lower end of cover body 14 is provided with multiple mounting holes, and being provided with mounting hole can
The mobile aspiration column 15 of dismounting, the mobile upper end of aspiration column 15 are connected by snakelike metal hose 13 with the inside of cover body 14, the shifting
Dynamic aspiration column 8 is also communicated with sending what cigarette flexible pipe 6 connected to send cigarette pipe 10, is provided with the cover body 14 and is sent cigarette for folding and unfolding
The pipeline disk 9 of pipe 10, the inside of pipeline disk 9 reset provided with torsion spring for pipeline disk 9；
The hole wall of the mounting hole is provided with the first permanent magnet 11, and the mobile periphery of aspiration column 15 is provided with and first
The second permanent magnet 12 that permanent magnet 11 coordinates；
Hydrogen peroxide solution area 16 and the solid on the right on the left side are separated to form inside the mobile treatment box 1 by dividing plate 19
Adsorption zone, solid absorption area include natural zeolite floor 24, active oxidation aluminium lamination 23, the active carbon layer set gradually from the bottom up
22nd, graphene layer 21 and spongy layer 20, natural zeolite layer 24, active oxidation aluminium lamination 23, active carbon layer 22, graphene layer 21 and sea
Separated between continuous layer 20 by the microwell plate with micropore, the pipeline connected with the port of export of air exhauster 2 passes sequentially through spongy layer 20, stone
Stretch into natural zeolite layer 24 after black alkene layer 21, active carbon layer 22 and active oxidation aluminium lamination 23, the spongy layer 20 be additionally provided with
The communicating pipe 17 of the bottom of hydrogen peroxide solution area 16 connection, it is additionally provided with and hydrogen peroxide solution area 16 outside the mobile treatment box 1
The escape pipe 18 of top connection.
The operation principle of the present embodiment is：Mobile treatment box 1 is moved near exhaust gas source, then rotates rotating bar 5, will
Mobile air-suction cover 8 is turned near exhaust gas source, and mobile air-suction cover 8 can be slided along rotating bar 5 so as to be carried out for exhaust gas source
Adjustment, unlatching air exhauster 2 can be used to waste gas absorption after adjusting good position, and waste gas carries out exhaust-gas treatment by mobile treatment box 1
After discharge innocuous gas, complete waste gas absorption and processing.
The present embodiment can be moved as needed, and binding domain can be adjusted, so as to suitable for not same district
Domain, different periods, the waste gas adsorption treatment without position, carried out especially suitable for production environment caused by not timing, indefinite area
Waste gas adsorbs, and simplifies structure, reduces cost, improves waste gas adsorption effect.
In the present embodiment, when the same area has many places exhaust gas source, waste gas adsorption range is big, and now, user of service can
Pull out multiple mobile aspiration columns 25 and arrive different exhaust gas sources respectively and adsorbed, mobile aspiration column 35 is in snakelike metal hose 33
It is easy to position under support, and by pipeline disk 29 cigarette pipe 30 can will be sent to carry out retractable cable, also allows for using, so as to according to need
Move mobile aspiration column 35 to correct position, expand intake region and improve inspiratory effects.And mobile aspiration column 35
It can be very good to be fixed in cover body 34 by the first permanent magnet 31 and the second permanent magnet 32, nor affect on mobile air-suction cover 15 and make
It is practical for the inspiratory effects of overall air-breathing.
In the present embodiment, in mobile treatment box 1, natural zeolite layer 24 can be by most waste gas in waste gas and big
Grain dust adsorption, and the gas absorption that active oxidation aluminium lamination 23 and active carbon layer 22 then can not adsorb natural zeolite layer 24,
And same absorbed portion particle, and graphene layer 21 can then inhale the molecule dust in gas and other pernicious gases
It is attached, all gas layering, the classification in waste gas are adsorbed, and the particle dust in waste gas is fallen in absorption simultaneously, finally by sponge
Layer 20 further adsorbs the aqueous vapor in waste gas and molecule dust, and the gas after absorption then enters dioxygen by communicating pipe 17
Water-soluble liquid zone 16, hydrogen peroxide solution is provided with hydrogen peroxide solution area 16, so as to the sterilization processing that carried out disinfection to waste gas, and
And dissolved the gas or particle that some can not be adsorbed, strengthen exhaust-gas treatment effect, using layered shaping of classifying, so as to protect
The innocuousness for the gas discharged from escape pipe 18 is demonstrate,proved.
Based on above example, manganese dioxide solid bag is provided with the escape pipe 18.Manganese dioxide can be catalyzed dioxygen
Water forms water and oxygen, so as to the decomposing hydrogen dioxide solution contained in the gas of discharging escape pipe 18, formed with beneficial to environment
Material, ensure workshop in air quality, can also avoid hydrogen peroxide in air from containing excess and damage.
It is embodiments of the invention as described above.Design parameter in above-described embodiment and embodiment is merely to clear
The invention verification process of inventor is stated by Chu, and is not used to the scope of patent protection of the limitation present invention, patent protection of the invention
Scope is still defined by its claims, and the equivalent structure that every specification and accompanying drawing content with the present invention is made becomes
Change, similarly should be included within the scope of the present invention.
Claims (2)
- A kind of 1. simple type waste gas absorption processing system, it is characterised in that：Including mobile treatment box (1), on mobile treatment box (1) End is connected with air exhauster (2) by pipeline, and air exhauster (2) upper end is provided with support bar (4), and support bar (4) upper end is arranged with can The cigarette smoking system of rotation, support bar (4) upper end are additionally provided with locating ring (3), and the cigarette smoking system is set in locating ring (3) Upper end；The cigarette smoking system includes horizontally rotating the rotating bar being connected (5) with support bar (4), rotating bar (5) end seals and turns Lever (5) is arranged with the mobile air-suction cover (8) that can be slid along, and mobile air-suction cover (8), which is connected with, send cigarette flexible pipe (6), described turn Multiple suspension ring (7) that cigarette flexible pipe (6) are sent for suspension are also arranged with lever (5)；It is described to send cigarette flexible pipe (6) to pass through rotating bar (5) it is connected with entrance point of the support bar (4) afterwards with the air exhauster (2), the port of export of air exhauster (2) passes through pipeline and the shifting Dynamic treatment box (1) connection；The mobile air-suction cover (8) includes cover body (14), and cover body (14) lower end is provided with multiple mounting holes, is provided with mounting hole Dismountable mobile aspiration column (15), mobile aspiration column (15) upper end is by snakelike metal hose (13) with connecting inside cover body (14) Connect, the mobile aspiration column (8) is also communicated with sending what cigarette flexible pipe (6) connected to send cigarette pipe (10), is set in the cover body (14) The pipeline disk (9) that cigarette pipe (10) is sent for folding and unfolding is equipped with, be provided with torsion spring inside pipeline disk (9) resets for pipeline disk (9)；The hole wall of the mounting hole is provided with the first permanent magnet (11), and mobile aspiration column (15) periphery is provided with and first The second permanent magnet (12) that permanent magnet (11) coordinates；The mobile treatment box (1) is internal to be separated to form the hydrogen peroxide solution area (16) on the left side and consolidating for the right by dividing plate (19) Body adsorption zone, solid absorption area include the natural zeolite floor (24), active oxidation aluminium lamination (23), activity set gradually from the bottom up Layer of charcoal (22), graphene layer (21) and spongy layer (20), natural zeolite layer (24), active oxidation aluminium lamination (23), active carbon layer (22), separated by the microwell plate with micropore between graphene layer (21) and spongy layer (20), connected with air exhauster (2) port of export Pipeline pass sequentially through spongy layer (20), graphene layer (21), active carbon layer (22) and active oxidation aluminium lamination (23) after stretch into day Right zeolite layer (24), the spongy layer (20) are additionally provided with the communicating pipe (17) connected with hydrogen peroxide solution area (16) bottom, institute State the escape pipe (18) being additionally provided with outside mobile treatment box (1) with being connected at the top of hydrogen peroxide solution area (16).
- A kind of 2. simple type waste gas absorption processing system according to claim 1, it is characterised in that：The escape pipe (18) Inside it is provided with manganese dioxide solid bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711253843.2A CN107789940A (en) | 2017-12-02 | 2017-12-02 | A kind of simple type waste gas absorption processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711253843.2A CN107789940A (en) | 2017-12-02 | 2017-12-02 | A kind of simple type waste gas absorption processing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107789940A true CN107789940A (en) | 2018-03-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711253843.2A Pending CN107789940A (en) | 2017-12-02 | 2017-12-02 | A kind of simple type waste gas absorption processing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107789940A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110068017A (en) * | 2019-05-20 | 2019-07-30 | 台玻成都玻璃有限公司 | A kind of exhaust treatment system on silver mirror production line |
| CN112973299A (en) * | 2021-03-31 | 2021-06-18 | 广州斑超电子科技有限公司 | Waste gas treatment equipment in vacuum pipeline |
-
2017
- 2017-12-02 CN CN201711253843.2A patent/CN107789940A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110068017A (en) * | 2019-05-20 | 2019-07-30 | 台玻成都玻璃有限公司 | A kind of exhaust treatment system on silver mirror production line |
| CN112973299A (en) * | 2021-03-31 | 2021-06-18 | 广州斑超电子科技有限公司 | Waste gas treatment equipment in vacuum pipeline |
| CN112973299B (en) * | 2021-03-31 | 2022-08-26 | 江西有源工业废物回收处理有限公司 | Waste gas treatment equipment in vacuum pipeline |
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Application publication date: 20180313 |