CN107803087A - A kind of exhaust-gas treatment air extractor - Google Patents
A kind of exhaust-gas treatment air extractor Download PDFInfo
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- CN107803087A CN107803087A CN201711124991.4A CN201711124991A CN107803087A CN 107803087 A CN107803087 A CN 107803087A CN 201711124991 A CN201711124991 A CN 201711124991A CN 107803087 A CN107803087 A CN 107803087A
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- air
- extraction structure
- exhaust
- fixed
- air extraction
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- 238000000605 extraction Methods 0.000 claims abstract description 50
- 238000006303 photolysis reaction Methods 0.000 claims abstract description 16
- 238000003466 welding Methods 0.000 claims abstract description 6
- 241000628997 Flos Species 0.000 claims description 5
- 238000010257 thawing Methods 0.000 claims description 5
- 238000005086 pumping Methods 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 3
- 238000000746 purification Methods 0.000 abstract description 11
- 238000004140 cleaning Methods 0.000 abstract description 4
- 239000002912 waste gas Substances 0.000 description 19
- 239000007789 gas Substances 0.000 description 17
- 238000000034 method Methods 0.000 description 7
- 239000000356 contaminant Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 244000286663 Ficus elastica Species 0.000 description 1
- 241000883990 Flabellum Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002894 chemical waste Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000009841 combustion method Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000007592 spray painting technique Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- B01D53/007—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 irradiation
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/083—Sealings especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Toxicology (AREA)
- Biomedical Technology (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
A kind of exhaust-gas treatment air extractor, including air extraction structure, also include sprayed tank, filter, high energy photodissociation equipment and exhaust duct, rotary fan is fixedly connected by welding with fixed disc, rotary fan has 12, and 12 rotary fans are evenly distributed in the surface of two fixed discs, it is isodistantly spaced annular array, and towards the open side of air extraction structure, this setting can make exhaust extraction more abundant, and fixed disc easily disassembled cleaning or replacing again, extend the service life of air extractor；The outer surface of clamping rings is provided with fixed lobe, liner is provided with the inwall of clamping rings, air inlet pipe is bolted to connection with air extraction structure, and the position on the inwall of air inlet pipe corresponding to fixed lobe is additionally provided with groove, this setting can be such that the junction of air inlet pipe and air extraction structure more seals, avoid portion from being discharged into air, polluted air, influence purification efficiency.
Description
Technical field
The invention belongs to technical field of waste gas treatment, and in particular to a kind of exhaust-gas treatment air extractor.
Background technology
Waste gas purification is primarily referred to as such as dust particle, flue gas flue dust, different of industrial waste gas caused by industrial site
The work that taste gas, toxic and harmful gas are administered.Common waste gas purification has factory's fume and exhaust gas purifying, workshop dust to give up
Gas purification, organic waste-gas purification, the purification of waste gas peculiar smell, acid-base waste gas purifying, purification of chemical waste gas etc..Industrial production discharge is given up
Gas, adverse effect often is produced to environmental and human health impacts, control techniques should be taken to handle before air is discharged into, be allowed to meet waste gas
The requirement of discharge standard, this process are referred to as waste gas purification.Conventional exhaust gas purifying method has：Absorption process, absorption method, condensation method
With four kinds of combustion method.Off-gas cleaning equipment is commonly utilized in chemical plant, Electronics Factory, spray painting factory, automobile factory, coating factory, oil
Industrial and commercial bank's industry, Furniture Factory, food factory, rubber plant, plastic cement factory etc. produce peculiar smell, stink, the industry of toxic and harmful gas.The place of waste gas
It ought to be carried out in terms of two：First, the waste gas dedusting for suspension particulate contaminant；It is second, net for the waste gas of gaseous contaminant
The control for changing gaseous contaminant mainly utilizes physico-chemical property, such as solubility, adsorption saturation degree, dew point and selection chemical reaction
Difference, pollutant is separated from waste gas；Or pollutant is converted into harmless or easy-to-handle material.It is most of
Emission-control equipment exist waste gas pumping it is insufficient, cause portion to discharge into air, pollute, air extractor not side
Just the internal debris of dismounting cleaning, interface not enough seal, the problem of being likely to result in exhaust gas leakage, are this it is proposed that a kind of waste gas
Processing air extractor.
The content of the invention
It is an object of the invention to provide a kind of exhaust-gas treatment air extractor, to solve what is proposed in above-mentioned background technology
Waste gas pumping is insufficient, causes portion to discharge into air, pollute, air extractor be inconvenient to dismantle clean inside it is miscellaneous
Thing, interface not enough seal, the problem of being likely to result in exhaust gas leakage.
To achieve the above object, the present invention provides following technical scheme：A kind of exhaust-gas treatment air extractor, including pumping
Structure, in addition to sprayed tank, filter, high energy photodissociation equipment and exhaust duct, the inside of the air extraction structure is along its width
Drive motor is fixedly installed, the side for being internally located at the drive motor of the air extraction structure is fixedly installed fixed circle
Disk, the surface of the fixed disc are provided with rotary fan, and the rotary fan with the fixed disc by being welded and fixed
Connection, the upper surface of the air extraction structure is provided with clamping rings, and the air extraction structure passes through welding with the clamping rings
It is fixedly connected, the clamping rings connects with the inside of the air extraction structure, and the outer surface of the clamping rings is provided with fixation
Projection, liner, the position that the air extraction structure is connected with each other with the sprayed tank are provided with the inwall of the clamping rings
Install and be equipped with air inlet pipe, and one end of the air inlet pipe with the clamping rings by being fixedly connected and the air extraction structure
Inside keeps the connection other end to keep connecting through the outer wall of the sprayed tank and with the inside of the sprayed tank, the sprayed tank
Inside be fixedly installed Defrosting structure, the position that the sprayed tank is connected with each other with the filter is provided with exhaust passageway,
And one end of the exhaust passageway keeps connecting the other end through the upper surface of the sprayed tank and with the inside of the sprayed tank
Keep connecting through the side of the filter and with the inside of the filter, the high energy photodissociation equipment is located at the filtering
The side of device, and the high energy photodissociation equipment keeps connecting with the inside of the filter by a connecting tube, the air draft
Floss hole is provided with the top of pipe, the outer surface of the exhaust duct is fixedly installed air-introduced machine, the air-introduced machine and the air draft
The inside connection of pipe, and the end of the air-introduced machine is fixed with a connecting tube, the other end of the connecting tube and the high energy light
The end of solution equipment is fixedly connected and keeps connecting with the inside of the high energy photodissociation equipment, the drive motor and the air inducing
Machine and power electric connection.
Preferably, the air inlet pipe is bolted to connection with the air extraction structure, and on the inwall of the air inlet pipe
Groove is additionally provided with corresponding to the position of the fixed lobe.
Preferably, the liner circle of position loop configuration, and the liner is paved with the whole of the clamping rings
Inwall.
Preferably, the fixed disc has two, the adjacent inside for being fixed on the air extraction structure of two fixed discs, and
The fixed disc is fixedly connected with the air extraction structure by screw rod, and the drive motor drives the fixed circle by gear
Disc spins.
Preferably, the rotary fan has 12, and 12 rotary fans are evenly distributed in two fixed discs
Surface, is isodistantly spaced annular array, and towards the open side of the air extraction structure.
Compared with prior art, the beneficial effects of the invention are as follows：The surface of fixed disc is provided with rotary fan, and rotates
Flabellum is fixedly connected by welding with fixed disc, and rotary fan has 12, and 12 rotary fans are evenly distributed in two
The surface of individual fixed disc, annular array is isodistantly spaced, and can take out waste gas towards the open side of air extraction structure, this setting
Take more fully, and fixed disc easily disassembled cleaning or replacing again, extend the service life of air extractor；Clamping rings
Outer surface is provided with fixed lobe, and liner is provided with the inwall of clamping rings, and air inlet pipe passes through bolt with air extraction structure
Be fixedly connected, and groove be additionally provided with corresponding to the position of fixed lobe on the inwall of air inlet pipe, this setting can make air inlet pipe with
The junction of air extraction structure more seals, and has avoided portion from being discharged into air, pollutes air, influences purification efficiency.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the air extractor structural representation of the present invention；
Fig. 3 is the air extractor present invention looks up structural representation of the present invention；
In figure：1- air extraction structures, 2- drive motors, 3- air inlet pipe, 4- sprayed tanks, 5- Defrosting structures, 6- exhaust passageways, 7-
Filter, 8- high energy photodissociation equipment, 9- air-introduced machines, 10- exhaust ducts, 11- floss holes, 12- clamping rings, 13- fixed lobes,
14- liners, 15- rotary fans, 16- fixed discs.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Fig. 1, Fig. 2 and Fig. 3 are referred to, the present invention provides a kind of technical scheme：A kind of exhaust-gas treatment air extractor, including
Air extraction structure 1, in addition to sprayed tank 4, filter 7, high energy photodissociation equipment 8 and exhaust duct 10, the inside of air extraction structure 1 are wide along it
Degree direction is fixedly installed drive motor 2, and the side for being internally located at drive motor 2 of air extraction structure 1 is fixedly installed fixed circle
Disk 16, the surface of fixed disc 16 is provided with rotary fan 15, and rotary fan 15 passes through the company of being welded and fixed with fixed disc 16
Connecing, the upper surface of air extraction structure 1 is provided with clamping rings 12, and air extraction structure 1 is fixedly connected by welding with clamping rings 12,
Clamping rings 12 connects with the inside of air extraction structure 1, and the outer surface of clamping rings 12 is provided with fixed lobe 13, clamping rings 12
Inwall on be provided with liner 14, the position that air extraction structure 1 is connected with each other with sprayed tank 4 is provided with air inlet pipe 3, and air inlet
One end of pipe 3 with the inside of air extraction structure 1 with being fixedly connected for clamping rings 12 by keeping connecting the other end and running through sprayed tank 4
Outer wall and keep connecting with the inside of sprayed tank 4, the inside of sprayed tank 4 is fixedly installed Defrosting structure 5, sprayed tank 4 and mistake
The position that filter 7 is connected with each other is provided with exhaust passageway 6, and one end of exhaust passageway 6 through the upper surface of sprayed tank 4 and with spray
The inside of leaching tank 4 keeps the connection other end to keep connecting through the side of filter 7 and with the inside of filter 7, high energy photodissociation
Equipment 8 is located at the side of filter 7, and high energy photodissociation equipment 8 keeps connecting with the inside of filter 7 by a connecting tube,
The top of exhaust duct 10 is provided with floss hole 11, and the outer surface of exhaust duct 10 is fixedly installed air-introduced machine 9, air-introduced machine 9 and air draft
The inside connection of pipe 10, and the end of air-introduced machine 9 is fixed with a connecting tube, the other end and the high energy photodissociation equipment of the connecting tube
8 end is fixedly connected and keeps connecting with the inside of high energy photodissociation equipment 8, and drive motor 2 and air-introduced machine 9 are electrically connected with power supply
Connect.
In order that air inlet pipe 3 and the fixation of air extraction structure 1 and it is convenient dismantle, and can ensures sealing, in the present embodiment,
Preferably, air inlet pipe 3 is bolted to connection with air extraction structure 1, and corresponding to fixed lobe 13 on the inwall of air inlet pipe 3
Position is additionally provided with groove.
In order that air inlet pipe 3 and the junction of air extraction structure 1 more seal, in the present embodiment, it is preferred that liner 14
Circle of position loop configuration, and liner 14 is paved with the whole inwall of clamping rings 12.
In order that exhaust extraction is more abundant, the convenient dismounting of fixed disc 16 is cleaned, in the present embodiment, it is preferred that Gu
Fixed disk 16 has two, the adjacent inside for being fixed on air extraction structure 1 of two fixed discs 16, and fixed disc 16 and air extraction structure
1 is fixedly connected by screw rod, and drive motor 2 drives fixed disc 16 to rotate by gear.
In order that exhaust extraction is more abundant, in the present embodiment, it is preferred that rotary fan 15 has 12, and 12
Individual rotary fan 15 is evenly distributed in the surface of two fixed discs 16, is isodistantly spaced annular array, and towards air extraction structure 1
Open side.
The operation principle and process for using of the present invention：In use, waste gas is extracted from air extraction structure 1, enter from air inlet pipe 3
Spray operation is carried out in sprayed tank 4, the waste gas after demisting is carried out by Defrosting structure 5 and enters in filter 7 from exhaust passageway 6
Row filtering, carries out photodissociation etc., the air of final purification discharges into air by floss hole 11 again afterwards；
Fixed disc 16 constantly rotates under the drive of drive motor 2, and rotary fan 15 can carry out sucking action after rotating,
By in waste gas inspiration air extraction structure 1, then flow into sprayed tank 4 and sprayed, carry out other purification runs, clamping rings 12 afterwards
On groove of the fixed lobe 13 on the inwall of air inlet pipe 3 is sticked into after, then fixed by bolt and air extraction structure 1, this setting
Coordinated with liner 14, interface is more sealed.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of exhaust-gas treatment air extractor, including air extraction structure (1), in addition to sprayed tank (4), filter (7), high energy light
Solve equipment (8) and exhaust duct (10), it is characterised in that：The inside of the air extraction structure (1) is fixedly installed along its width
Drive motor (2), the side for being internally located at the drive motor (2) of the air extraction structure (1) are fixedly installed fixed disc
(16), the surface of the fixed disc (16) is provided with rotary fan (15), and the rotary fan (15) and the fixed circle
Disk (16) is fixedly connected by welding, and the upper surface of the air extraction structure (1) is provided with clamping rings (12), and the pumping knot
Structure (1) is fixedly connected by welding with the clamping rings (12), and the clamping rings (12) is interior with the air extraction structure (1)
Portion connects, and the outer surface of the clamping rings (12) is provided with fixed lobe (13), set on the inwall of the clamping rings (12)
Liner (14) is equipped with, the position that the air extraction structure (1) is connected with each other with the sprayed tank (4) is provided with air inlet pipe (3),
And one end of the air inlet pipe (3) passes through the inside being fixedly connected with the air extraction structure (1) with the clamping rings (12)
The connection other end is kept to keep connecting through the outer wall of the sprayed tank (4) and with the inside of the sprayed tank (4), the spray
The inside of tank (4) is fixedly installed Defrosting structure (5), and the position that the sprayed tank (4) is connected with each other with the filter (7) is set
Be equipped with exhaust passageway (6), and one end of the exhaust passageway (6) through the upper surface of the sprayed tank (4) and with the spray
The inside of tank (4) keeps the connection other end through the side of the filter (7) and keeps connecting with the inside of the filter (7)
Logical, the high energy photodissociation equipment (8) is located at the side of the filter (7), and the high energy photodissociation equipment (8) and the filtering
The inside of device (7) keeps connection by a connecting tube, and floss hole (11), the row are provided with the top of the exhaust duct (10)
The outer surface of airduct (10) is fixedly installed air-introduced machine (9), and the air-introduced machine (9) connects with the inside of the exhaust duct (10),
And the end of the air-introduced machine (9) is fixed with a connecting tube, the other end of the connecting tube and the high energy photodissociation equipment (8)
End is fixedly connected and keeps connecting with the inside of the high energy photodissociation equipment (8), the drive motor (2) and the air-introduced machine
And power electric connection (9).
A kind of 2. exhaust-gas treatment air extractor according to claim 1, it is characterised in that：The air inlet pipe (3) and institute
Air extraction structure (1) is stated to be bolted to connection, and corresponding to the fixed lobe (13) on the inwall of the air inlet pipe (3)
Position is additionally provided with groove.
A kind of 3. exhaust-gas treatment air extractor according to claim 1, it is characterised in that：Liner (14) position
Cirque structure, and the liner (14) is paved with the whole inwall of the clamping rings (12).
A kind of 4. exhaust-gas treatment air extractor according to claim 1, it is characterised in that：The fixed disc (16) has
Two, the adjacent inside for being fixed on the air extraction structure (1) of two fixed discs (16), and the fixed disc (16) with it is described
Air extraction structure (1) is fixedly connected by screw rod, and the drive motor (2) drives the fixed disc (16) to rotate by gear.
A kind of 5. exhaust-gas treatment air extractor according to claim 1, it is characterised in that：The rotary fan (15) has
12, and 12 rotary fans (15) are evenly distributed in the surface of two fixed discs (16), are isodistantly spaced annular array,
And towards the open side of the air extraction structure (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711124991.4A CN107803087A (en) | 2017-11-14 | 2017-11-14 | A kind of exhaust-gas treatment air extractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711124991.4A CN107803087A (en) | 2017-11-14 | 2017-11-14 | A kind of exhaust-gas treatment air extractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107803087A true CN107803087A (en) | 2018-03-16 |
Family
ID=61580161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711124991.4A Withdrawn CN107803087A (en) | 2017-11-14 | 2017-11-14 | A kind of exhaust-gas treatment air extractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107803087A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206262294U (en) * | 2016-11-04 | 2017-06-20 | 安徽应流集团霍山铸造有限公司 | A kind of casting die welding weldering smog dust arrester |
| CN206483265U (en) * | 2017-01-18 | 2017-09-12 | 绵阳易简环保科技有限公司 | A kind of lost foam casting flue gas processing device |
| CN107158939A (en) * | 2017-06-16 | 2017-09-15 | 四川弘毅智慧知识产权运营有限公司 | A kind of cleaning equipment for industrial waste gas |
| CN207708744U (en) * | 2017-11-14 | 2018-08-10 | 泰州市泰港动力机械有限公司 | A kind of exhaust-gas treatment air extractor |
-
2017
- 2017-11-14 CN CN201711124991.4A patent/CN107803087A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206262294U (en) * | 2016-11-04 | 2017-06-20 | 安徽应流集团霍山铸造有限公司 | A kind of casting die welding weldering smog dust arrester |
| CN206483265U (en) * | 2017-01-18 | 2017-09-12 | 绵阳易简环保科技有限公司 | A kind of lost foam casting flue gas processing device |
| CN107158939A (en) * | 2017-06-16 | 2017-09-15 | 四川弘毅智慧知识产权运营有限公司 | A kind of cleaning equipment for industrial waste gas |
| CN207708744U (en) * | 2017-11-14 | 2018-08-10 | 泰州市泰港动力机械有限公司 | A kind of exhaust-gas treatment air extractor |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180316 |