CN107754603A - A kind of device and processing method for handling weld fumes - Google Patents
A kind of device and processing method for handling weld fumes Download PDFInfo
- Publication number
- CN107754603A CN107754603A CN201711207940.8A CN201711207940A CN107754603A CN 107754603 A CN107754603 A CN 107754603A CN 201711207940 A CN201711207940 A CN 201711207940A CN 107754603 A CN107754603 A CN 107754603A
- Authority
- CN
- China
- Prior art keywords
- clarifier
- plasma catalytic
- weld fumes
- deduster
- catalytic clarifier
- 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
- 239000003517 fume Substances 0.000 title claims abstract description 43
- 238000003672 processing method Methods 0.000 title abstract description 6
- 230000003197 catalytic effect Effects 0.000 claims abstract description 54
- 239000003054 catalyst Substances 0.000 claims abstract description 24
- 239000007789 gas Substances 0.000 claims abstract description 19
- 230000000505 pernicious effect Effects 0.000 claims abstract description 9
- 238000006555 catalytic reaction Methods 0.000 claims abstract description 8
- 239000002245 particle Substances 0.000 claims abstract description 7
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 6
- 230000003647 oxidation Effects 0.000 claims abstract description 5
- 238000012545 processing Methods 0.000 claims description 19
- 239000002390 adhesive tape Substances 0.000 claims description 15
- 239000003989 dielectric material Substances 0.000 claims description 12
- 230000001590 oxidative effect Effects 0.000 claims description 10
- 239000000428 dust Substances 0.000 claims description 9
- 238000005538 encapsulation Methods 0.000 claims description 8
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical group O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 229910044991 metal oxide Inorganic materials 0.000 claims description 7
- 150000004706 metal oxides Chemical class 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 4
- 230000004888 barrier function Effects 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 4
- 229910052593 corundum Inorganic materials 0.000 claims description 4
- 238000011065 in-situ storage Methods 0.000 claims description 4
- 230000008929 regeneration Effects 0.000 claims description 4
- 238000011069 regeneration method Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 4
- 229910052571 earthenware Inorganic materials 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 239000010453 quartz Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 238000003466 welding Methods 0.000 abstract description 8
- 239000003500 flue dust Substances 0.000 abstract description 3
- 238000003915 air pollution Methods 0.000 abstract description 2
- 238000005520 cutting process Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000002265 prevention Effects 0.000 abstract description 2
- 239000003496 welding fume Substances 0.000 abstract description 2
- 238000005498 polishing Methods 0.000 abstract 1
- 150000003254 radicals Chemical class 0.000 abstract 1
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 239000012855 volatile organic compound Substances 0.000 abstract 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- 239000003708 ampul Substances 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 208000005903 Manganese Poisoning Diseases 0.000 description 1
- 206010027439 Metal poisoning Diseases 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 201000010001 Silicosis Diseases 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000002305 electric material Substances 0.000 description 1
- 239000012717 electrostatic precipitator Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- QFXZANXYUCUTQH-UHFFFAOYSA-N ethynol Chemical group OC#C QFXZANXYUCUTQH-UHFFFAOYSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
-
- 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
- B01D46/54—Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms
- B01D46/543—Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms using membranes
-
- 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
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/209—Other metals
- B01D2255/2092—Aluminium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2256/00—Main component in the product gas stream after treatment
- B01D2256/22—Carbon dioxide
-
- 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
- B01D2258/0283—Flue gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
- B01D2259/818—Employing electrical discharges or the generation of a plasma
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (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)
- Physical Or Chemical Processes And Apparatus (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The invention belongs to prevention and control of air pollution field, it is related to a kind of device and processing method for handling weld fumes, for purifying caused flue dust and pernicious gas in the operations such as welding, cutting, polishing, including deduster, blower fan, plasma catalytic clarifier, deduster, blower fan and plasma catalytic clarifier are sequentially connected, and plasma catalytic clarifier inlet and outlet both ends are provided with clarifier return line.By can remove large-size particles after deduster, the VOCs of residual enters in plasma catalytic clarifier weld fumes, the reinforcing free radical that is largely generated and catalysis oxidation resolves into CO under the synergy of catalyst2And H2O.The present apparatus is run and maintenance management is simple, operation is easy, compact-sized, space availability ratio is high and easy to assembly, by the effective connection and cooperation between each unit, can be met existing《Welding fume sanitary standard in workshop air》（GB 16194‑1996）.
Description
Technical field
The invention belongs to prevention and control of air pollution field, relates generally to a kind of can go simultaneously at one kind of smoke abatement and dust
The device and processing method of weld fumes are managed, especially suitable for manual electric arc welding, non gas shielded welding, carbon dioxide arc welding, argon arc welding, is buried
Arc-welding, oxy-acetylene cutting or special welding etc. produce the Work places of flue gas.
Background technology
Weld fumes is the mixture of pernicious gas smog and metal oxide dust.Weld toxic and harmful gas in flue gas
Composition be mainly carbon monoxide, carbon dioxide, ozone, nitrogen oxides, methane, vinyl chloride etc., wherein carbon monoxide accounting most
Greatly.Main harmful substance in weld fumes is iron oxide, silica, manganese oxide, hydrofluoric acid etc., and what wherein content was most is
Iron oxide, next to that silica and manganese oxide.These weld fumes can cause a variety of occupations while environmental pollution is caused
Disease（Such as welder's silicosis, manganese poisoning）Generation, have a strong impact on the health of staff, it has also become an overall situation public hazards.
Weld fumes is because its smoke particle is small, tough feature, the side of the full chamber ventilated of generally use and local ventilation
Formula eliminates welding toxic dust, improves working conditions.Currently, people are physically and mentally healthy gradually attracts attention, and the discharge standard of flue dust is therefore
Gradually step up, the equipment of existing processing weld fumes mainly includes sack cleaner or dedusting filter cylinder etc., less to particle diameter
Dust is difficult to reach preferable separating effect, and can not go to eliminate the unusual smell；The cleaners such as electrostatic precipitator, pass through electric field force
Effect makes dust deposit get off, and long-term use can make purification efficiency decline to a great extent；And traditional plasma purifier purification effect
Rate is low, secondary pollution is big, can not meet need of work, thus research high treating effect, processing unit easy to operate into
For the trend of development.
The content of the invention
Goal of the invention
It is an object of the invention to provide the processing that a kind of operation and maintenance management are simple, operation is easy, treatment effeciency is high to weld
The device and processing method of flue dust, to solve effective process problem of weld fumes.Weld fumes is gone by overlay film dedusting filter cylinder
Except big dust particle, after by plasma catalytic clarifier by exhaust fume catalytic oxidation Decomposition be CO2And H2O, while go to eliminate the unusual smell,
And increase return line after plasma catalytic clarifier, the waste gas not reacted completely is reprocessed, while pass through control
Reflux ratio makes the increase of import air quantity, improves due to reactor fever phenomenon caused by electric discharge, can improve treatment effeciency, reduces secondary
Pollution.
Technical scheme
A kind of device for handling weld fumes, including deduster, blower fan, plasma catalytic clarifier, it is characterised in that：Dedusting
Device, blower fan and plasma catalytic clarifier are sequentially connected, and plasma catalytic clarifier inlet and outlet both ends are provided with clarifier return duct
Road, the plasma catalytic clarifier is interior to be provided with tubular type dielectric material.
The clarifier return line is provided with mass flowmenter.
In the tubular type dielectric material tubular type dielectric material is invested inserted with electrode and porous catalyzed layer, metal electrode board bag
Outside, electrode are connected with ac high voltage source, metal electrode plate earthing.
The tubular type dielectric material is quartz ampoule, glass tube or earthenware, and being fixed on plasma catalytic by support purifies
In device.
End cap is provided with left and right sides of the plasma catalytic clarifier, is connected by flange and plasma catalytic purifier main body
Connect.
The porous catalyst layer is MnO2/Al2O3Catalyst, structure include honeycomb fashion or particle type.
Overlay film dedusting filter cylinder is provided with the deduster, overlay film dedusting filter cylinder is polyester overlay film filter cylinder.
The clarifier return line is located at the pipelines of plasma catalytic clarifier both sides towards plasma catalytic clarifier
Pipeline with plasma catalytic clarifier both sides is in 45° angle.
The side wall of the deduster is provided with casement window, and the side of casement window is connected by hinge with cleaner body, another
Side is provided with locking device, and casement window border is provided with adhesive tape groove, and adhesive tape groove has filled in temperature resistant encapsulation adhesive tape, cleaner body
Lap-joint is stepped, and the sealing joint strip is provided with overlap joint extrusion chamber and overlap edge with cleaner body lap-joint.
A kind of method of the device processing weld fumes of described processing weld fumes, it is characterised in that：This method press with
Lower step：
Step 1: weld fumes is the mixture of pernicious gas smog and metal oxide dust, metal oxide powder therein
Dirt is removed in deduster；
Step 2: the pernicious gas smog remained in weld fumes is entered in plasma catalytic clarifier, put in dielectric impedance
Electricity is lower to produce substantial amounts of O3、H2O2、HO2Or OH strong oxidative free radicals, while cooperate with urging for catalyst in porous catalyst layer
Change is acted on, and its catalysis oxidation is decomposed into CO2And H2O；
Step 3: the porous catalyst layer inactivated because adsorbing harmful gas fume, under conditions of natural air is passed through, is being waited
In ionic catalysis clarifier, substantial amounts of O is produced by dielectric barrier discharge3、H2O2、HO2Or OH strong oxidative free radicals,
The in-situ regeneration of catalyst is realized in the presence of these strong oxidative free radicals, extends the life-span of catalyst.
Advantage and effect
The device and processing method of a kind of processing weld fumes of the present invention, by plasma catalytic clarifier, in weld fumes
Pernicious gas smog etc. CO is mainly decomposed into by catalysis oxidation2And H2O；Under natural air, in plasma catalytic clarifier
Catalyst can realize in-situ regeneration, improve the service life of catalyst；The gas circulation that return line will not react completely
Processing, remove more thorough；The O that return line will not react completely3、H2O2、HO2, OH strong oxidative free radicals be recycled to reaction
Device recycles；Return line can increase air quantity, improve the diffusion of heat of reaction, without extra heat dissipation device；The technology meets
Existing《Welding fume sanitary standard in workshop air》（GB 16194-1996）.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the structural representation of plasma catalytic clarifier；
Fig. 3 is the angle schematic diagram of return line；
Fig. 4 is the structural representation of deduster；
Fig. 5 is hinge and the schematic diagram of temperature resistant encapsulation adhesive tape position；
Schematic diagram under Fig. 6 temperature resistant encapsulation adhesive tape squeezed states.
Description of reference numerals：1. weld fumes, 2. dedusters, 3. overlay film dedusting filter cylinders, 4. blower fans, 5. plasma catalytics are net
Change device, 6. tubular type dielectric materials, 7. porous catalyzed layers, 8. metal electrode boards, 9. electrodes, 10. ac high voltage sources, 11. backflows
Pipeline, 12. mass flowmenters, 13. casement windows, 14. hinges, 15. locking devices, 16. adhesive tape grooves, 17. temperature resistant encapsulation adhesive tape,
18. overlap extrusion chamber, 19. overlap edges, 20. supports.
Embodiment
The present invention is described further below in conjunction with the accompanying drawings：
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6, it is a kind of handle weld fumes device, including deduster 2, blower fan 4,
Plasma catalytic clarifier 5, deduster 2, blower fan 4 and plasma catalytic clarifier 5 are sequentially connected, plasma catalytic clarifier 5
Inlet and outlet both ends are provided with clarifier return line 11.Blower fan 4 is used to aspirate weld fumes 1.It is provided with and covers in deduster 2
Film dedusting filter cylinder 3, overlay film dedusting filter cylinder 3 are polyester overlay film filter cylinder.Clarifier return line 11 is located at plasma catalytic clarifier 5
Pipeline of the pipeline of both sides towards plasma catalytic clarifier 5 and the both sides of plasma catalytic clarifier 5 is in 45° angle.Clarifier returns
Flow tube road 11 is provided with mass flowmenter 12, and the gas after return line 11 flows back is back flowed back into plasma catalytic clarifier 5.Deng
Gas ions catalytic cleaner 5 uses tubular type dielectric barrier discharge form.Tubular type dielectric material is provided with plasma catalytic clarifier 5
6, tubular type dielectric material 6 is interior to invest the outside of tubular type dielectric material 6 inserted with electrode 9 and porous catalyzed layer 7, the bag of metal electrode board 8,
Electrode 9 and metal electrode board 8 maintain spacing, and electrode 9 is connected with ac high voltage source 10, and metal electrode board 8 is grounded.Tubular type is situated between
Electric material 6 is quartz ampoule, glass tube or earthenware, is fixed on by support 20 in plasma catalytic clarifier 5.Plasma catalytic
The left and right sides of clarifier 5 is provided with end cap, is connected by flange with the main body of plasma catalytic clarifier 5.Porous catalyst layer 7 is
MnO2/Al2O3Catalyst, structure include honeycomb fashion or particle type.
The side wall of deduster 2 is additionally provided with casement window 13, and the side of casement window 13 is connected by hinge 14 and the main body of deduster 2
Connect, opposite side is provided with locking device 15, and the border of casement window 13 is provided with adhesive tape groove 16, and adhesive tape groove 16 has filled in temperature resistant encapsulation
Adhesive tape 17, the main body lap-joint of deduster 2 are stepped, and the sealing joint strip 17 is provided with overlap joint with the main body lap-joint of deduster 2 and squeezed
Press chamber 18 and overlap edge 19.
The method for handling the device processing weld fumes of weld fumes, this method is according to the following steps：
Step 1: weld fumes 1 is the mixture of pernicious gas smog and metal oxide dust, metal oxide powder therein
Dirt is removed in deduster 2；
Step 2: the pernicious gas smog remained in weld fumes 1 is entered in plasma catalytic clarifier 5, in dielectric impedance
Electric discharge is lower to produce substantial amounts of O3、H2O2、HO2Or OH strong oxidative free radicals, while cooperate with catalyst in porous catalyst layer 7
Catalytic action, its catalysis oxidation is decomposed into CO2And H2O；
Step 3: the porous catalyst layer 7 inactivated because adsorbing harmful gas fume, under conditions of natural air is passed through,
In plasma catalytic clarifier 5, substantial amounts of O is produced by dielectric barrier discharge3、H2O2、HO2Or OH strong oxidative free radicals,
The in-situ regeneration of catalyst is realized in the presence of these strong oxidative free radicals, extends the life-span of catalyst.
Using gas flow rate be 2mL/min and initial concentration is 1500mg/m3Experiment exemplified by, using MnO2/Al2O3Catalysis
Agent, after the processing of plasma catalytic clarifier 5,30%-40% gas is back in plasma catalytic clarifier 5 again, is gone
Except rate is 95%.
Return line 11 is metal Telescopic flexible pipe, and the air inlet of return line 11 is located at the air-out of plasma catalytic clarifier 5
At five times of calibers of mouth, the air outlet of return line 11 is located at plasma catalytic clarifier 5 air inlet, five times of calibers.The return duct
The air inlet of road 11 and air outlet and the cross ventilation pipeline of plasma catalytic clarifier 5 are in 45° angle.The air inlet of return line 11 and
Air outlet bore is identical with the air inlet of plasma catalytic clarifier 5 and air outlet bore.
Mass flowmenter 12 is located in return line 11.By Flow Measurement Display Meter display control flow, realize to reflux gas
The control of flow.
The casement window 13 of deduster 2 enables the operator to easily open deduster 2 and changes overlay film dedusting filter cylinder 3,
The sealing that is designed to that temperature resistant encapsulation adhesive tape 17 seals at ladder and Multicarity has the temperature resistant encapsulation adhesive tape 17 of overlap edge is opened
Open place gap, and hoisting capacity very little.Solve the problems, such as that overlay film dedusting filter cylinder 3 is difficult to change.
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not pair
The restriction of embodiments of the present invention, for those of ordinary skill in the field, may be used also on the basis of the above description
To make other various forms of changes or variation, all embodiments can not be exhaustive here, it is every to belong to this hair
Row of the obvious changes or variations that bright technical scheme is extended still in protection scope of the present invention.
Claims (10)
1. a kind of device for handling weld fumes, including deduster, blower fan, plasma catalytic clarifier, it is characterised in that：Dedusting
Device, blower fan and plasma catalytic clarifier are sequentially connected, and plasma catalytic clarifier inlet and outlet both ends are provided with clarifier return duct
Road, the plasma catalytic clarifier is interior to be provided with tubular type dielectric material.
2. the device of processing weld fumes according to claim 1, it is characterised in that：The clarifier return line is provided with
Mass flowmenter.
3. the device of processing weld fumes according to claim 1, it is characterised in that：Inserted in the tubular type dielectric material
There are electrode and porous catalyzed layer, metal electrode board bag is invested on the outside of tubular type dielectric material, and electrode is connected with ac high voltage source, gold
Belong to electrode plate earthing.
4. the device of processing weld fumes according to claim 3, it is characterised in that：The tubular type dielectric material is quartz
Pipe, glass tube or earthenware, are fixed in plasma catalytic clarifier by support.
5. the device of processing weld fumes according to claim 1, it is characterised in that：The plasma catalytic clarifier is left
Right both sides are provided with end cap, are connected by flange with plasma catalytic purifier main body.
6. the device of processing weld fumes according to claim 3, it is characterised in that：The porous catalyst layer is MnO2/
Al2O3Catalyst, structure include honeycomb fashion or particle type.
7. the device of processing weld fumes according to claim 1, it is characterised in that：Overlay film is provided with the deduster
Dedusting filter cylinder, overlay film dedusting filter cylinder are polyester overlay film filter cylinder.
8. the device of processing weld fumes according to claim 1, it is characterised in that：The clarifier return line is located at
The pipeline of plasma catalytic clarifier both sides is in towards plasma catalytic clarifier and the pipeline of plasma catalytic clarifier both sides
45° angle.
9. the device of processing weld fumes according to claim 1, it is characterised in that：The side wall of the deduster is provided with flat
Windowing, the side of casement window are connected by hinge with cleaner body, and opposite side is provided with locking device, and casement window border is provided with
Adhesive tape groove, adhesive tape groove have filled in temperature resistant encapsulation adhesive tape, and cleaner body lap-joint is stepped, and the sealing joint strip is with removing
Chen Qi main bodys lap-joint is provided with overlap joint extrusion chamber and overlap edge.
A kind of 10. method of the device processing weld fumes of processing weld fumes as claimed in claim 3, it is characterised in that：
This method is according to the following steps：
Step 1: weld fumes is the mixture of pernicious gas smog and metal oxide dust, metal oxide powder therein
Dirt is removed in deduster；
Step 2: the pernicious gas smog remained in weld fumes is entered in plasma catalytic clarifier, put in dielectric impedance
Electricity is lower to produce substantial amounts of O3、H2O2、HO2Or OH strong oxidative free radicals, while cooperate with urging for catalyst in porous catalyst layer
Change is acted on, and its catalysis oxidation is decomposed into CO2And H2O；
Step 3: the porous catalyst layer inactivated because adsorbing harmful gas fume, under conditions of natural air is passed through, is being waited
In ionic catalysis clarifier, substantial amounts of O is produced by dielectric barrier discharge3、H2O2、HO2Or OH strong oxidative free radicals,
The in-situ regeneration of catalyst is realized in the presence of these strong oxidative free radicals, extends the life-span of catalyst.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711207940.8A CN107754603A (en) | 2017-11-27 | 2017-11-27 | A kind of device and processing method for handling weld fumes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711207940.8A CN107754603A (en) | 2017-11-27 | 2017-11-27 | A kind of device and processing method for handling weld fumes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107754603A true CN107754603A (en) | 2018-03-06 |
Family
ID=61277095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711207940.8A Pending CN107754603A (en) | 2017-11-27 | 2017-11-27 | A kind of device and processing method for handling weld fumes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107754603A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111013310A (en) * | 2019-12-24 | 2020-04-17 | 北京建工环境修复股份有限公司 | Tail water and tail gas treatment system and method in-situ heat conduction repair process |
| CN114515928A (en) * | 2022-02-14 | 2022-05-20 | 徐州中材装备重型机械有限公司 | Grate plate assembly welding tool for grate cooler |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5569455A (en) * | 1992-06-10 | 1996-10-29 | Shimadzu Corporation | Exhaust gas catalytic purifier construction |
| JP2000262840A (en) * | 1999-03-18 | 2000-09-26 | Oriental Kiden Kk | Purification device |
| CN103394265A (en) * | 2013-08-09 | 2013-11-20 | 沈欣军 | Deep purification processing method for kitchen oil fume |
| CN103566753A (en) * | 2013-11-18 | 2014-02-12 | 沈阳工业大学 | Cooking oil fume integrated treatment system and method |
| CN204365081U (en) * | 2014-12-05 | 2015-06-03 | 江阴科亚环保科技有限公司 | Plasma weld fumes clearing machine |
| CN106582184A (en) * | 2017-02-09 | 2017-04-26 | 江苏永益环保科技有限公司 | Welding soot purifier |
| CN207628217U (en) * | 2017-11-27 | 2018-07-20 | 沈阳工业大学 | A kind of device of processing weld fumes |
-
2017
- 2017-11-27 CN CN201711207940.8A patent/CN107754603A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5569455A (en) * | 1992-06-10 | 1996-10-29 | Shimadzu Corporation | Exhaust gas catalytic purifier construction |
| JP2000262840A (en) * | 1999-03-18 | 2000-09-26 | Oriental Kiden Kk | Purification device |
| CN103394265A (en) * | 2013-08-09 | 2013-11-20 | 沈欣军 | Deep purification processing method for kitchen oil fume |
| CN103566753A (en) * | 2013-11-18 | 2014-02-12 | 沈阳工业大学 | Cooking oil fume integrated treatment system and method |
| CN204365081U (en) * | 2014-12-05 | 2015-06-03 | 江阴科亚环保科技有限公司 | Plasma weld fumes clearing machine |
| CN106582184A (en) * | 2017-02-09 | 2017-04-26 | 江苏永益环保科技有限公司 | Welding soot purifier |
| CN207628217U (en) * | 2017-11-27 | 2018-07-20 | 沈阳工业大学 | A kind of device of processing weld fumes |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111013310A (en) * | 2019-12-24 | 2020-04-17 | 北京建工环境修复股份有限公司 | Tail water and tail gas treatment system and method in-situ heat conduction repair process |
| CN114515928A (en) * | 2022-02-14 | 2022-05-20 | 徐州中材装备重型机械有限公司 | Grate plate assembly welding tool for grate cooler |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104848443B (en) | A kind of regenerative air cleaning system | |
| CN208431874U (en) | A kind of low concentration formaldehyde air purifier | |
| CN101069811A (en) | Method and apparatus of low-temperature plasma coupling photo catalytic purification of toxic matter | |
| CN100427182C (en) | Microwave assisted plasma catalytic air purification method and purification device | |
| CN207628217U (en) | A kind of device of processing weld fumes | |
| CN107754603A (en) | A kind of device and processing method for handling weld fumes | |
| CN103785266B (en) | Combined type exhaust gas purification all-in-one | |
| CN107261835A (en) | Major diameter low-light resonance emission-control equipment | |
| CN105148693A (en) | Method for purifying cooking fume organic matter | |
| CN2847126Y (en) | Microwave auxiliary plasma catalytic air purifier | |
| JPH03233100A (en) | Ventilating device for motorway tunnel | |
| CN204460505U (en) | A kind of device of high-efficient purification room air | |
| CN203657096U (en) | Air purifier | |
| CN205095650U (en) | Novel organic waste gas treatment facility | |
| JP4751264B2 (en) | Ventilation gas purification device and purification method thereof | |
| CN107715665A (en) | The device of advanced treating VOCs a kind of and the method except VOCs | |
| CN110813971A (en) | Welding auxiliary device suitable for steel structure building | |
| CN210729116U (en) | Photocatalysis exhaust-gas treatment equipment | |
| CN107855694A (en) | A kind of welding equipment with dedusting function | |
| CN206996286U (en) | A kind of even smooth aircleaner structure of photocatalyst | |
| CN204543809U (en) | Special-purpose air clarifier | |
| CN206276184U (en) | A kind of low-light resonance catalytic converter | |
| CN107754573A (en) | A kind of low-temperature plasma exhaust treatment system | |
| CN206996285U (en) | A kind of major diameter low-light resonance emission-control equipment | |
| CN212214902U (en) | Special composite filter screen for air purification of train carriage |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180306 |
|
| RJ01 | Rejection of invention patent application after publication |