CN108392906A - A kind of harmful exhaust purification environmental-protection equipment - Google Patents
A kind of harmful exhaust purification environmental-protection equipment Download PDFInfo
- Publication number
- CN108392906A CN108392906A CN201810293398.0A CN201810293398A CN108392906A CN 108392906 A CN108392906 A CN 108392906A CN 201810293398 A CN201810293398 A CN 201810293398A CN 108392906 A CN108392906 A CN 108392906A
- Authority
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- China
- Prior art keywords
- clean room
- gas storage
- welded
- door
- fixed
- 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.)
- Pending
Links
- 238000000746 purification Methods 0.000 title claims abstract description 30
- 238000003860 storage Methods 0.000 claims abstract description 42
- 229920000742 Cotton Polymers 0.000 claims abstract description 15
- 238000001179 sorption measurement Methods 0.000 claims abstract description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 10
- 238000005496 tempering Methods 0.000 claims description 4
- 230000000007 visual effect Effects 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims description 2
- 238000001914 filtration Methods 0.000 abstract description 8
- 238000010408 sweeping Methods 0.000 abstract description 4
- 239000000428 dust Substances 0.000 description 11
- 241000219146 Gossypium Species 0.000 description 10
- 208000027418 Wounds and injury Diseases 0.000 description 5
- 230000006378 damage Effects 0.000 description 5
- 208000014674 injury Diseases 0.000 description 5
- 239000003500 flue dust Substances 0.000 description 4
- 230000000505 pernicious effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 210000004072 lung Anatomy 0.000 description 2
- 239000002923 metal particle Substances 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 201000010001 Silicosis Diseases 0.000 description 1
- 206010068887 Tobacco poisoning Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
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
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—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 series
- B01D46/64—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 series arranged concentrically or coaxially
-
- 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
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0036—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
-
- 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
- B01D46/0084—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours provided with safety means
- B01D46/0087—Bypass or safety valves
-
- 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
- B01D46/0084—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours provided with safety means
- B01D46/0089—Anti-return means
-
- 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
- B01D46/88—Replacing filter elements
Abstract
The invention discloses a kind of harmful exhaust purification environmental-protection equipment, including door, wind turbine, valve, adsorption cotton, active carbon stick and the second strainer, described wind turbine one end is welded with admission line, engagement is fixed with gas feed on the admission line, the wind turbine is welded with escape pipe away from admission line one end, the valve is mounted on escape pipe, the first fixed frame is welded on the escape pipe, described escape pipe one end is welded with gas storage clean room, it is welded with the second fixed frame in the gas storage clean room, the door is mounted on by hinge in gas storage clean room, door handle is installed on the door, fitting is equipped with rubber pad on the door, the adsorption cotton is movably arranged in gas storage clean room, it is fixed with limited block in the gas storage clean room, one end in the gas storage clean room away from limited block is fixed with the first strainer.The present invention has quickly processing exhaust gas, easy the advantages of sweeping the internal purification filtering layer of replacement and preventing harmful exhaust from flowing back.
Description
Technical field
The present invention relates to harmful exhaust purification environmental-protection equipment technical field, specially a kind of harmful exhaust purification environmental-protection is set
It is standby.
Background technology
Harmful exhaust purification environmental-protection equipment refers to：It is welded in the flue dust generated, there is many metals and non-metal particle, it can be right
Respiratory tract generates stimulation, and the people of breathing is made not feel well.When welding, arc discharge generates 4000 DEG C of -6000 DEG C of high temperature, is melting
While welding rod and weldment, a large amount of flue dust is produced, ingredient is mainly iron oxide, manganese oxide, silica, silicate
Deng flue dust grain diffuses in operating environment, is easily inhaled into lung.Tobacco poisoning can be welded when serious.Heavy metal particle is being inhaled
Enter in lung, have microprecipitation, over time, run up to a certain amount, be easy to get silicosis, harmful exhaust purification at this stage
Environmental protection equipment cannot be accomplished effectively to filter flue dust, and be easy the generation dust inside equipment when filtering and overstock, it is not easy to beat
It sweeps inside equipment, cannot prevent pernicious gas from flowing back when without using equipment, the filtering layer of internal purification air cannot be replaced, it cannot
It is lasting to use, keep the using effect of equipment poor.
Invention content
The purpose of the present invention is to provide a kind of harmful exhaust purification environmental-protection equipment, has and quickly handle exhaust gas, be easy to beat
It sweeps the internal purification filtering layer of replacement and the advantages of preventing harmful exhaust from flowing back, generating dust inside solution equipment overstocks, it is not easy to beat
It sweeps inside equipment, cannot prevent pernicious gas from flowing back when without using equipment, the filtering layer of internal purification air cannot be replaced, it cannot
It is lasting to use, make the problem of the using effect difference of equipment.
To achieve the above object, the present invention provides the following technical solutions：A kind of harmful exhaust purification environmental-protection equipment, including
Door, wind turbine, valve, adsorption cotton, active carbon stick and the second strainer, described wind turbine one end are welded with admission line, on the wind turbine
It is connected with connecting line, is engaged on the admission line and is fixed with gas feed, the wind turbine is welded with away from admission line one end
Escape pipe, the valve are mounted on escape pipe, valve switch are equipped on the valve, first is welded on the escape pipe
Fixed frame, away from escape pipe one end, engagement is equipped with first base to first fixed frame, and described escape pipe one end is welded with storage
Gas clean room, the gas storage clean room are welded with gas vent away from one end of escape pipe, and second strainer is fixed on gas
In outlet, the second fixed frame is welded in the gas storage clean room, second fixed frame is nibbled away from one end of gas storage clean room
Conjunction is equipped with second base, and the door is mounted on by hinge in gas storage clean room, and door handle, the door are equipped on the door
Upper fitting is equipped with rubber pad, and the adsorption cotton is movably arranged in gas storage clean room, and adsorption cotton size and gas storage clean room
Size is adapted, and limited block is fixed in the gas storage clean room, there are six the limited block is set altogether, and six limited blocks in etc.
Away from distribution, the active carbon stick is movably arranged in limited block, and one end in the gas storage clean room away from limited block is fixed with
First strainer.
Preferably, the valve size and valve switch size are adapted.
Preferably, there are two first fixed frame is set altogether, and two the first fixed frames are in be equally spaced.
Preferably, attaching plug is installed, and attaching plug is electrically connected by connecting line with wind turbine on the connecting line.
Preferably, there are two second fixed frame is set altogether, and two the second fixed frames are in be equally spaced.
Preferably, insertion is fixed with tempering visual window on the door.
Preferably, the gas vent size and the second strainer size are adapted.
Compared with prior art, beneficial effects of the present invention are as follows：
1, the present invention has reached harmful exhaust purification environmental-protection equipment in use, beating on and off by valve by the way that valve is arranged
It closes, it is therefore prevented that harmful exhaust reflux causes secondary injury to personnel, prevents the peculiar smell in air from flowing back into working space, makes to set
Standby structure is simple, is more convenient personnel's operation, increases the practicability of equipment.
2, the present invention has reached harmful exhaust purification environmental-protection equipment in use, by opening door to gas storage by the way that door is arranged
It purifies indoor dust and filtering layer is replaced, prevent generation dust inside equipment from overstocking, it is not easy to sweep inside equipment, and set
Standby internal dust, which is overstock, impacts equipment clean harmful exhaust, keeps the practicability higher of equipment, operation simpler.
3, the present invention has reached harmful exhaust purification environmental-protection equipment in use, passing through gas storage by the way that gas storage clean room is arranged
Adsorption cotton, active carbon stick and the first strainer being arranged in clean room quickly handle harmful exhaust, by the big portion in exhaust gas
Point impurities come out, and prevent the nuisance in exhaust gas from being damaged to human body, keep device structure simple, are more convenient using sweeping
And replacement.
4, the present invention has reached harmful exhaust purification environmental-protection equipment in use, by the second filter by the way that the second strainer is arranged
Net carries out secondary filter to pernicious gas, prevents the particulate matter in harmful exhaust to be discharged, is damaged to human body, makes the knot of equipment
Structure simply has more practical performance.
Description of the drawings
Fig. 1 is the positive structure diagram of the present invention；
Fig. 2 is the structural schematic diagram of the present invention；
Fig. 3 be the present invention Fig. 1 in A enlarged structure schematic diagram；
Fig. 4 is the side structure schematic view of the present invention.
In figure：1- gas vents；2-；3- door handles；4- tempering visual windows；5- gas storage clean room；6- escape pipes；7- valves
Door switch；8- attaching plugs；9- connecting lines；10- gas feeds；11- admission lines；12- wind turbines；13- first bases；14- valves
Door；The first fixed frames of 15-；16- hinges；17- second bases；The second fixed frames of 18-；19- adsorption cottons；20- limited blocks；21-
One strainer；22- active carbon sticks；23- rubber pads；The second strainers of 24-.
Specific implementation mode
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 describes, 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 every other
Embodiment shall fall within the protection scope of the present invention.
It please refers to Fig.1 to Fig.4, a kind of embodiment provided by the invention：A kind of harmful exhaust purification environmental-protection equipment, including door
2, wind turbine 12, valve 14, adsorption cotton 19, active carbon stick 22 and the second strainer 24,12 one end of wind turbine are welded with admission line 11, wind
It is connected with connecting line 9 on machine 12, attaching plug 8 is installed, and attaching plug 8 passes through 12 electricity of connecting line 9 and wind turbine on connecting line 9
It connecting, is engaged on admission line 11 and be fixed with gas feed 10, wind turbine 12 is welded with escape pipe 6 away from 11 one end of admission line,
Valve 14 is mounted on escape pipe 6, by the way that valve 14 is arranged, has reached harmful exhaust purification environmental-protection equipment in use, passing through valve
The opening and closing of door 14, it is therefore prevented that harmful exhaust reflux causes secondary injury to personnel, prevents the peculiar smell in air from flowing back into
Enter working space, keep the structure of equipment simple, is more convenient personnel's operation, increases the practicability of equipment, valve is installed on valve 14
Door switch 7,14 size of valve and 7 size of valve switch are adapted, and the first fixed frame 15 is welded on escape pipe 6, and first fixes
There are two frame 15 is set altogether, and two the first fixed frames 15, in being equally spaced, the first fixed frame 15 is away from 6 one end of escape pipe engagement peace
Equipped with first base 13,6 one end of escape pipe is welded with gas storage clean room 5, by the way that gas storage clean room 5 is arranged, has reached harmful useless
Gas purification environmental-protection equipment is in use, right by the adsorption cotton 19, active carbon stick 22 and the first strainer 21 being arranged in gas storage clean room 5
Harmful exhaust is quickly handled, and most of impurities in exhaust gas are come out, prevent the nuisance in exhaust gas from being made to human body
At injury, keep device structure simple, is more convenient using sweeping and replacing, gas storage clean room 5 is welded with away from one end of escape pipe 6
Gas vent 1, the second strainer 24 are fixed in gas vent 1, by the way that the second strainer 24 is arranged, have reached harmful exhaust purification ring
Equipment is protected in use, carrying out secondary filter to pernicious gas by the second strainer 24, the particulate matter in harmful exhaust is prevented to be discharged,
Human body is damaged, the structure of equipment is made simply to have more practical performance, 24 size phase of 1 size of gas vent and the second strainer
Adaptation is welded with the second fixed frame 18 in gas storage clean room 5, there are two the second fixed frame 18 is set altogether, and two the second fixed frames
18 in being equally spaced, and one end engagement of second fixed frame 18 away from gas storage clean room 5 is equipped with second base 17, and door 2 passes through conjunction
Page 16 is mounted in gas storage clean room 5, by the way that door 2 is arranged, has reached harmful exhaust purification environmental-protection equipment in use, passing through opening
Dust and filtering layer in 2 pairs of gas storage clean rooms 5 of door are replaced, and prevent generation dust inside equipment from overstocking, it is not easy to which cleaning is set
It is standby internal, and equipment internal dust overstocks and is impacted to equipment clean harmful exhaust, makes the practicability higher of equipment, operation is more
Add simply, door handle 3 be installed on door 2, is embedded on door 2 and is fixed with tempering visual window 4, is bonded on door 2 and rubber pad 23 is installed,
Adsorption cotton 19 is movably arranged in gas storage clean room 5, and 19 size of adsorption cotton and 5 size of gas storage clean room are adapted, and gas storage is net
Change in room 5 and be fixed with limited block 20, there are six limited block 20 is set altogether, and six limited blocks 20 are in being equally spaced, active carbon stick 22
It is movably arranged in limited block 20, one end in gas storage clean room 5 away from limited block 20 is fixed with the first strainer 21.
Operation principle：Harmful exhaust purification environmental-protection equipment is in use, solid by the first fixed frame 15 and the second fixed frame 18
Locking equipment connects power supply opening wind turbine 12 by attaching plug 8, and wind turbine 12 is evacuated when opening by gas feed 10, is taken out
Exhaust gas is taken, the opening and closing that valve 14 is passed through by the valve 14 installed on escape pipe 6, it is therefore prevented that harmful exhaust flows back to people
Member causes secondary injury, prevents the peculiar smell in air from flowing back into working space, keeps the structure of equipment simple, is more convenient personnel behaviour
Make, increases the practicability of equipment, it is right by the adsorption cotton 19, active carbon stick 22 and the first strainer 21 that are arranged in gas storage clean room 5
Harmful exhaust is quickly handled, and most of impurities in exhaust gas are come out, prevent the nuisance in exhaust gas from being made to human body
At injury, keep device structure simple, be more convenient using sweeping and replace, by open dust in door 2 pairs of gas storage clean rooms 5 and
Filtering layer is replaced, and prevents generation dust inside equipment from overstocking, it is not easy to be swept inside equipment, and overstocked pair of equipment internal dust
Equipment clean harmful exhaust impacts, and keeps the practicability higher of equipment, operation simpler.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (7)
1. a kind of harmful exhaust purification environmental-protection equipment, including door（2）, wind turbine（12）, valve（14）, adsorption cotton（19）, activated carbon
Stick（22）With the second strainer（24）, it is characterised in that：The wind turbine（12）One end is welded with admission line（11）, the wind turbine
（12）On be connected with connecting line（9）, the admission line（11）Upper engagement is fixed with gas feed（10）, the wind turbine（12）The back of the body
From admission line（11）One end is welded with escape pipe（6）, the valve（14）Mounted on escape pipe（6）On, the valve（14）
On valve switch is installed（7）, the escape pipe（6）On be welded with the first fixed frame（15）, first fixed frame（15）The back of the body
Separate out tracheae（6）One end engagement is equipped with first base（13）, the escape pipe（6）One end is welded with gas storage clean room（5）, institute
State gas storage clean room（5）Away from escape pipe（6）One end be welded with gas vent（1）, second strainer（24）It is fixed on gas
Body exports（1）It is interior, the gas storage clean room（5）On be welded with the second fixed frame（18）, second fixed frame（18）Away from storage
Gas clean room（5）One end engagement second base is installed（17）, the door（2）Pass through hinge（16）Mounted on gas storage clean room
（5）On, the door（2）On door handle is installed（3）, the door（2）Upper fitting is equipped with rubber pad（23）, the adsorption cotton
（19）It is movably arranged on gas storage clean room（5）It is interior, and adsorption cotton（19）Size and gas storage clean room（5）Size is adapted, described
Gas storage clean room（5）Inside it is fixed with limited block（20）, the limited block（20）There are six setting altogether, and six limited blocks（20）In etc.
Away from distribution, the active carbon stick（22）It is movably arranged on limited block（20）It is interior, the gas storage clean room（5）It is interior to deviate from limited block
（20）One end be fixed with the first strainer（21）.
2. a kind of harmful exhaust purification environmental-protection equipment according to claim 1, it is characterised in that：The valve（14）Size
And valve switch（7）Size is adapted.
3. a kind of harmful exhaust purification environmental-protection equipment according to claim 1, it is characterised in that：First fixed frame
（15）There are two setting altogether, and two the first fixed frames（15）In being equally spaced.
4. a kind of harmful exhaust purification environmental-protection equipment according to claim 1, it is characterised in that：The connecting line（9）On
Attaching plug is installed（8）, and attaching plug（8）Pass through connecting line（9）With wind turbine（12）Electrical connection.
5. a kind of harmful exhaust purification environmental-protection equipment according to claim 1, it is characterised in that：Second fixed frame
（18）There are two setting altogether, and two the second fixed frames（18）In being equally spaced.
6. a kind of harmful exhaust purification environmental-protection equipment according to claim 1, it is characterised in that：The door（2）Upper insertion
It is fixed with tempering visual window（4）.
7. a kind of harmful exhaust purification environmental-protection equipment according to claim 1, it is characterised in that：The gas vent（1）
Size and the second strainer（24）Size is adapted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810293398.0A CN108392906A (en) | 2018-03-30 | 2018-03-30 | A kind of harmful exhaust purification environmental-protection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810293398.0A CN108392906A (en) | 2018-03-30 | 2018-03-30 | A kind of harmful exhaust purification environmental-protection equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108392906A true CN108392906A (en) | 2018-08-14 |
Family
ID=63099567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810293398.0A Pending CN108392906A (en) | 2018-03-30 | 2018-03-30 | A kind of harmful exhaust purification environmental-protection equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108392906A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4244710A (en) * | 1977-05-12 | 1981-01-13 | Burger Manfred R | Air purification electrostatic charcoal filter and method |
| CN104740958A (en) * | 2013-12-26 | 2015-07-01 | 深圳市堃琦鑫华股份有限公司 | Smog treating apparatus |
| CN205084564U (en) * | 2015-08-02 | 2016-03-16 | 冯培永 | Miniature fume purification device |
| CN106823596A (en) * | 2017-04-11 | 2017-06-13 | 兖州煤业股份有限公司 | A kind of clarifying smoke system |
| CN106823612A (en) * | 2017-04-10 | 2017-06-13 | 哈尔滨理工大学 | Portable welding smoke eliminator and purification method |
-
2018
- 2018-03-30 CN CN201810293398.0A patent/CN108392906A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4244710A (en) * | 1977-05-12 | 1981-01-13 | Burger Manfred R | Air purification electrostatic charcoal filter and method |
| CN104740958A (en) * | 2013-12-26 | 2015-07-01 | 深圳市堃琦鑫华股份有限公司 | Smog treating apparatus |
| CN205084564U (en) * | 2015-08-02 | 2016-03-16 | 冯培永 | Miniature fume purification device |
| CN106823612A (en) * | 2017-04-10 | 2017-06-13 | 哈尔滨理工大学 | Portable welding smoke eliminator and purification method |
| CN106823596A (en) * | 2017-04-11 | 2017-06-13 | 兖州煤业股份有限公司 | A kind of clarifying smoke system |
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