CN105057278A - Dust blowing and sucking device for surface of coiled material - Google Patents
Dust blowing and sucking device for surface of coiled material Download PDFInfo
- Publication number
- CN105057278A CN105057278A CN201510476077.0A CN201510476077A CN105057278A CN 105057278 A CN105057278 A CN 105057278A CN 201510476077 A CN201510476077 A CN 201510476077A CN 105057278 A CN105057278 A CN 105057278A
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- China
- Prior art keywords
- blower
- coiled material
- inlet scoop
- aspiration channel
- air
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/04—Cleaning by suction, with or without auxiliary action
Abstract
The invention provides a dust blowing and sucking device for the surface of a coiled material, and belongs to coiled material machining devices. The dust blowing and sucking device is used for removing impurities and dust adsorbed to the surface of the coiled material. Sunken concave arc surfaces are arranged between an air blowing port and air sucking ports. The air sucking ports are sunken towards air sucking pipes. The distance between the bottom of the edge of the air sucking port in one side close to an air blowing pipe and the coiled material is larger than the distance between the bottom of the edge of the air sucking port in the other side of the air blowing pipe and the coiled material. In the vertical direction, the technical scheme that the distance between the bottom of the edge of the air sucking port in one side close to the air blowing pipe and the bottom of the edge of the air sucking port in the other side of the air blowing pipe ranges from 0.40 mm to 0.80 mm is adopted, and the technical problems that before dust removal through an existing non-contact dust removal system, static electricity needs to be removed through a static removal device, the device is complex, air flows to the air sucking port from the air blowing port along the straight line, impurities and dust easily settle and linger, and the air pressure and the oscillation frequency are increased, consequently, the impurities and the dust leak, the environment is polluted, excessive energy is consumed, and the coiled material is easily damaged are solved.
Description
Technical field
The invention belongs to web-handled device, is that a kind of coiled material surface blows dust exhaust apparatus concretely.
Background technology
The Electrostatic Absorption impurity produced for web-handled production process and dust, affect the technical problem of end product quality, and the contactless dust pelletizing system that Sweden KELVA and Italian ACE releases reaches more satisfactory dust removing effects.Need before existing contactless dust pelletizing system dedusting first to remove coiled material surface electrostatic by static eraser, regulate high pressure pressure-vaccum frequency, reach the higher-order of oscillation, the impurity peeled off under without electrostatic situation and dust are siphoned away by suction nozzle.Existing contactless dust pelletizing system bottom the blower of coiled material with bottom aspiration channel be substantially a plane parallel with coiled material, wind is after the blowing mouth blowout bottom blower, the inlet scoop bottom aspiration channel is arrived along rectilinear direction, although produce high-frequency short waves vibration at coiled material surface, but along with wind speed reduces gradually on the way, partial impurities and dust easily produce delay, sedimentation, in order to thorough removal of contamination and dust, pressure and the frequency of oscillation of blowing certainly will be strengthened, excessive wind-force can make the air carrying impurity and dust let out from the outside of aspiration channel, pollute working environment, high voltagehigh frequency blowing is not only too much expends the energy, and easily damage coiled material.
Summary of the invention
The present invention needs before will solving existing contactless dust pelletizing system dedusting first to remove electrostatic by static eraser, and device is complicated; Wind linearly reaches inlet scoop from blowing mouth, and impurity and dust easily produce sedimentation, delay; Strengthen blast and frequency of oscillation, impurity and dust is caused to leak, contaminated environment, expended multiple-energy-source, easily damaged the technical problem of coiled material, provided a kind of without the need to static eraser removing electrostatic, use lower blast blowing, economize energy, does not pollute working environment, and the coiled material surface of harmless coiled material blows dust exhaust apparatus.
In order to solve the problems of the technologies described above, the technical scheme that the present invention takes is: a kind of coiled material surface blows dust exhaust apparatus, comprises air box; Inlet scoop symmetry on blowing mouth, aspiration channel and aspiration channel on the blower of the inlet scoop on the blower of coiled material one side, blowing mouth, aspiration channel and aspiration channel on blower and coiled material another side, blower; Aspiration channel is positioned at the both sides of blower, and aspiration channel and blower are close together; Blower is vertical with forward direction with the axis of aspiration channel, and blower is communicated with air box outlet, and aspiration channel is communicated with air box entrance, has the concave circular arcs face of depression between blowing mouth and inlet scoop; Cave in the direction of aspiration channel in inlet scoop; The inlet scoop edge bottom of this blower opposite side and the distance of coiled material is greater than near the inlet scoop edge bottom of blower side and the distance of coiled material, in vertical direction, the distance near the inlet scoop edge bottom of blower side and the inlet scoop edge bottom of opposite side is 0.40 ~ 0.80mm.
Blower on coiled material two faces and the blowing mouth on blower are relative, the aspiration channel on coiled material two faces and the inlet scoop on aspiration channel relative.Fresh air from air box blows to coiled material from the symmetrically arranged blowing mouth in coiled material two sides, under the suction of inlet scoop, aspiration channel direction to both sides is shunted, along coiled material flow at high speed, air blows afloat impurity and dust, because the gap of concave circular arcs face place and coiled material becomes large, form whirlpool, impurity on coiled material and dust are rolled by advantage, and the air carrying impurity and dust continues to move ahead, and enters aspiration channel from inlet scoop; Outside the inlet scoop being positioned at aspiration channel, namely not close with blower side, inlet scoop, rolls the air of impurity and dust on coiled material, under the suction of inlet scoop, enter aspiration channel from inlet scoop.The air carrying impurity and dust entering aspiration channel enters air box from air box entrance, and the air after impurity and ash fall and filtration enters blower through air box outlet.Inlet scoop two side direction aspiration channel depression on the aspiration channel bottom surface relative with coiled material, inclined plane is formed in both sides, inlet scoop, the closer to inlet scoop, the distance of aspiration channel bottom surface and coiled material is larger, this inclined plane has wind gathering effect, strengthen the suction of inlet scoop, guide carry the smooth air of impurity and dust enter inlet scoop, avoid that impurity and dust are detained, sedimentation.The edge bottom height of both sides, inlet scoop is different, inlet scoop edge bottom not near blower side is lower than the inlet scoop edge bottom near blower side, the air come from concave circular arcs top blast is formed and stops, thorough elimination carries the air of impurity and dust outside aspiration channel, namely the side of blower is not connected, leak, overcome plane parallel with coiled material bottom the aspiration channel of existing contactless dust pelletizing system, the air that part carries impurity and dust is crossed inlet scoop and is continued to move ahead and let out, and pollutes the drawback of working environment.In vertical direction, distance near the inlet scoop edge bottom of blower side and the inlet scoop edge bottom of opposite side is less than 0.40mm, the effect of Leakage prevention is bad, is greater than 0.80mm, is unfavorable for that the air carrying impurity and dust not connecting blower side enters aspiration channel.The inlet scoop edge bottom of so-called opposite side refers to not near the inlet scoop edge bottom of blower side.Without the need to removing coiled material surface electrostatic by static eraser before dedusting of the present invention, concave circular arcs face is adopted to form whirlpool, advantage rolls impurity and dust dedusting, the both sides of inlet scoop are inclined planes, not near the inlet scoop of blower side lower than near the inlet scoop of blower side, have compared with existing contactless dust pelletizing system without the need to removing electrostatic by static eraser, the pressure of blowing is little, noise is low, economize energy, working environment is not polluted, noiseless to the tension force of coiled material, to the undamaged advantage of coiled material surface.
Concave circular arcs face is on the bottom surface of blower, the entrance in concave circular arcs face extends, gradually to the blower inclined plane that blower is tilted to the direction of aspiration channel, near the position of aspiration channel on blower, blower inclined plane is connected with the first arc surface, is connected by the first arc surface by the second arc surface with aspiration channel bottom surface.Blower inclined plane, the first arc surface and the second arc surface composition concave circular arcs face, air swirl is mainly formed near the position of the first arc surface and the first arc surface position bottom blower inclined plane, blower inclined plane guides air to enter concave circular arcs face smoothly from blowing mouth, avoid air swirl to disturb blowing mouth air intake, the second arc surface mainly plays the effect of transition and water conservancy diversion.
Blowing mouth is the alice to blower inner process.The alice bottom surface tilted in blower is the inclined-plane of an oblique coiled material gradually, and this inclined-plane is conducive to air and flows to the direction of inlet scoop.
The root of alice connects the one section plane parallel with coiled material, and the other end of this plane connects the entrance of blower inclined plane.The plane parallel with coiled material is the changeover portion between blowing mouth and concave circular arcs face, and this changeover portion completely eliminates the interference of air swirl to blowing mouth air intake, and what make smooth air flows to concave circular arcs face.
In vertical direction, the distance 0.50 ~ 0.70mm of the close inlet scoop edge bottom of blower side and the inlet scoop edge bottom of opposite side.0.50 ~ 0.70mm is preferred distance.
Not near blower side edge, inlet scoop above have internal projection outside an inlet scoop; Outside inlet scoop internal projection upper end and the edge, inlet scoop near blower side above on sustained height.Do not refer to inlet scoop outer ledge near the edge, inlet scoop of blower side, refer to inside edge, inlet scoop near the edge, inlet scoop of blower side.Air draught strength in inlet scoop is large, outside inlet scoop internal projection upper end and the edge, inlet scoop near blower side above on sustained height, make both sides, inlet scoop even to the air suction with impurity and dust.
Blowing mouth and inlet scoop are that a slit or sectional short seam interval are formed by connecting or a hole interval is connected a hole and forms.
The centre position of blowing mouth bottom blower, is made up of the uniform circular hole in interval, and inlet scoop is the slotted hole in centre position bottom aspiration channel; Distance between the length of inlet scoop slotted hole is greater than outside the circular hole of blowing mouth two ends.Because blowing mouth is evenly spaced circular hole, blowing mouth air pressure is large, and air pressure, the flow of the blowout of each blowing mouth circular hole are consistent; Distance between the length of inlet scoop slotted hole is greater than outside the circular hole of blowing mouth two ends, inlet scoop covers blowing mouth, and area is large, and the air carrying impurity and dust is all sucked in aspiration channel.
Control valve installed by blower, aspiration channel installs control valve.The pressure of governor valve control blowing mouth and inlet scoop air and flow velocity.
Blower and aspiration channel adopt Integral section bar structure.The blower of Integral section bar structure and aspiration channel share same sidewall.Integral section bar structure lateral dimension is little compared with the lateral dimension of monomer blower combining structure.So-called monomer blower combining structure refers to that blower and aspiration channel are all independently, and two aspiration channels are fixedly connected on the structure of blower both sides respectively.Blower Integral section bar structure is compared with combining structure, and save material, lightweight, easy for installation, the pressure of blowing is little, energy-conservation, good dedusting effect.
In air box, between air box entrance and air box export, there is filter; Dust arrester is had below air box inner blower tank inlet.After the air carrying impurity and dust enters from air box entrance, after the impurity in air and ash fall again after filtration, further purified.Dust arrester can take off from air box.Blower fan and control of dust, filtering integral, structure is simple, and floor space is little.
Advantage of the present invention: fresh air arrives concave circular arcs face from coiled material two sides symmetry and forms whirlpool, and the impurity on coiled material and dust are rolled by advantage; The inclined plane of inlet scoop two side direction aspiration channel has wind gathering effect, strengthens the suction of inlet scoop, guide carry the smooth air of impurity and dust enter inlet scoop, avoid that the impurity in air and dust are detained, sedimentation; Inlet scoop edge bottom not near blower side, lower than the inlet scoop edge bottom near blower side, is formed the air come from concave circular arcs top blast and stops, thoroughly eliminates the air carrying impurity and dust and leaks outside aspiration channel.The present invention blows dust exhaust apparatus compared with existing contactless dust pelletizing system, without the need to removing coiled material surface electrostatic by static eraser before there is dedusting, the pressure of blowing is little, noise is low, economize energy, working environment is not polluted, noiseless to the tension force of coiled material, to the undamaged advantage of coiled material surface.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the invention;
Fig. 2 is the A-A profile of Fig. 1.
Detailed description of the invention
Accompanying drawings.
Illustrated is that coiled material surface of the present invention blows dust exhaust apparatus for the embodiment to paper 6 dedusting.Blower 2 and aspiration channel 3 are that aluminium section bar 5 is connected with plastic tube and makes.The aluminium section bar 5 of blower 2 and aspiration channel 3 adopts integrated aluminium section structure, and blower 2 and the aspiration channel 3 of integrated aluminium section structure share same sidewall.Aluminium section bar 5 has three cavitys side by side, and centre is blower 2, and both sides are that shown in two aspiration channels 3, Fig. 2, aluminium section bar 5 is symmetrical.The aluminium section bar part of blower 2 and aspiration channel 3 is positioned at above and below paper 6.One end of plastic tube connects aluminium section bar 5, other end connecting fan case 1, and the plastic tube parts of blower 2 is connected to air box outlet, and the plastic tube parts of aspiration channel 3 is connected to air box entrance, and control valve is installed on the plastic tube.Aluminium section bar 5 is erected on the body of paper product process equipment.Paper 6 passes through between two rows aluminium section bar 5, and paper 6 does not contact with aluminium section bar 5, and in accompanying drawing 2, paper 6 passes through between two rows aluminium section bar 5.The blower 2 of aluminium section bar 5 and the cross section of aspiration channel 3 in square, aluminium section bar 5 near the bottom surface of the blower 2 of paper 6 one side and aspiration channel 3 substantially in one plane, the blower 2 of aluminium section bar 5 above lower than above the aspiration channel 3 of both sides.The axis of aluminium section bar 5 is vertical with the direction that paper 6 advances, the direction of advance of the arrow signal paper 6 in accompanying drawing on paper 6.Blowing mouth 8 on blower 2 and the inlet scoop 7 on aspiration channel 3 are opened in the one side of aluminium section bar 5 near paper 6, along the blowing mouth 8 of blower axis direction in the centre of blower 2 bottom surface, along the inlet scoop 7 of aspiration channel axis direction in the centre of aspiration channel 3 bottom surface.Blowing mouth 8 is made up of the uniform circular hole in interval, and inlet scoop 7 is slotted holes.The arrangement of aluminium section bar 5 blowing up air port 8 and inlet scoop 7 considers the width of paper 6, the both sides of paper 6 are made also to obtain even dedusting, distance between the length of inlet scoop slotted hole is greater than outside the circular hole of blowing mouth two ends, the projection of inlet scoop on coiled material covers the projection of blowing mouth on coiled material.The center of circle of usual adjacent blowing mouth circular hole is spaced apart 5.5 ~ 7.0mm, and blowing mouth Circularhole diameter is 2.5 ~ 3.5mm, and the center of circle of the adjacent blowing mouth circular hole of the present embodiment is spaced apart 6.0mm, and blowing mouth Circularhole diameter is 3.0mm; Usual inlet scoop slotted hole width is 2.5 ~ 3.5mm, and the length of the present embodiment inlet scoop slotted hole is 1470mm, and inlet scoop slotted hole width is 3.0mm.The sectional area of blower 2 of the present invention less than two aspiration channels 3 sectional area sum 1/2, the area of blowing mouth 8 less than two inlet scoops 7 area sum 1/2, air is discharged from inlet scoop 7 smoothly, ensures that blow pressure and flow and concave circular arcs face 4 form the dust removing effects of whirlpool.Blowing mouth 8 is the alices 9 to blower 2 inner process.The aspiration channel bottom surface that the root of alice 9 connects is one section of plane parallel with paper 6, the entrance of the other end connection blower inclined plane 10 of this plane.Concave circular arcs face 4 on the blower bottom surface of aluminium section bar 5 is made up of blower inclined plane 10, first arc surface and the second arc surface.From the root of alice 9, blower inclined plane 10 extends to the direction of aspiration channel 3 gradually, tilted to blower, namely the distance of distance paper 6 strengthens gradually, and blower inclined plane 10 is connected with the first arc surface, is connected by the first arc surface by the second arc surface with aspiration channel bottom surface.The direction of accompanying drawing upward arrow signal air flowing and route.The aspiration channel 3 of aluminium section bar 5 caves in inlet scoop 7, and namely the bottom surface of aspiration channel 3 is the inclined planes to inlet scoop 7, and more close to inlet scoop 7, the distance of distance paper 6 is larger.In Fig. 2, the inlet scoop edge bottom in the left side of left side aspiration channel 3 and the distance of paper 6 are greater than the inlet scoop edge bottom on the right side of left side aspiration channel 3 and the distance of paper 6, in vertical direction, the inlet scoop edge bottom in left side and the inlet scoop edge bottom distance H on right side are 0.63mm; The inlet scoop edge bottom in left side of the right aspiration channel 3 and the distance of paper 6 are greater than the inlet scoop edge bottom on right side and the distance of paper 6 of the right aspiration channel 3, in vertical direction, the inlet scoop edge bottom on right side and the inlet scoop edge bottom distance H in left side are 0.63mm.In Fig. 2, the edge, inlet scoop in the left side of left side aspiration channel 3 have internal projection 11 outside an inlet scoop above, contour above the upper end of internal projection 11 and the edge, inlet scoop on right side outside inlet scoop; The right aspiration channel 3 right side edge, inlet scoop above have internal projection 11 outside an inlet scoop, contour above the upper end of internal projection 11 and the edge, inlet scoop in left side outside inlet scoop.Have filter between air box entrance in air box 1 and air box export, what the filter of the present embodiment was vertical is erected in air box 1, and at air box inlet side, i.e. the right side of accompanying drawing 1, dust arrester is arranged at bottom, and dust arrester can take out cleaning from air box 1.
Claims (10)
1. coiled material surface blows a dust exhaust apparatus, comprises air box (1); Inlet scoop (7) symmetry on blowing mouth (8), aspiration channel (3) and aspiration channel (3) on the blower (2) of the inlet scoop (7) on the blower (2) of coiled material one side, blowing mouth (8), aspiration channel (3) and aspiration channel (3) on blower (2) and coiled material another side, blower (2); Aspiration channel (3) is positioned at the both sides of blower (2), and aspiration channel (3) and blower (2) are close together; Blower (2) is vertical with forward direction with the axis of aspiration channel (3), blower (2) is communicated with air box outlet, aspiration channel (3) is communicated with air box entrance, it is characterized in that the concave circular arcs face (4) having depression between blowing mouth (8) and inlet scoop (7); Cave in the direction of aspiration channel (3) in inlet scoop (7); The inlet scoop edge bottom of this blower opposite side and the distance of coiled material is greater than near the inlet scoop edge bottom of blower side and the distance of coiled material, in vertical direction, the distance near the inlet scoop edge bottom of blower side and the inlet scoop edge bottom of opposite side is 0.40 ~ 0.80mm.
2. coiled material surface according to claim 1 blows dust exhaust apparatus, it is characterized in that concave circular arcs face (4) is on the bottom surface of blower (2), the entrance in concave circular arcs face (4) extends, gradually to the blower inclined plane (10) that blower (2) is tilted to the direction of aspiration channel (3), in the upper position near aspiration channel (3) of blower (2), blower inclined plane (10) is connected with the first arc surface, is connected by the first arc surface by the second arc surface with aspiration channel bottom surface.
3. coiled material surface according to claim 1 blows dust exhaust apparatus, it is characterized in that blowing mouth (8) is the alice (9) to blower (2) inner process.
4. coiled material surface according to claim 3 blows dust exhaust apparatus, and it is characterized in that the root of alice (9) connects the one section plane parallel with coiled material, the other end of this plane connects the entrance of blower inclined plane (10).
5. coiled material surface according to claim 1 blows dust exhaust apparatus, it is characterized in that in vertical direction, the distance 0.50 ~ 0.70mm of the close inlet scoop edge bottom of blower side and the inlet scoop edge bottom of opposite side.
6. coiled material surface according to claim 1 blows dust exhaust apparatus, it is characterized in that not near blower side edge, inlet scoop above have internal projection (11) outside an inlet scoop; Outside inlet scoop internal projection (11) upper end and the edge, inlet scoop near blower side above on sustained height.
7. coiled material surface according to claim 1 blows dust exhaust apparatus, it is characterized in that blowing mouth (8) centre position bottom blower, is made up of the uniform circular hole in interval, and inlet scoop (7) are the slotted holes in centre position bottom aspiration channel; Distance between the length of inlet scoop slotted hole is greater than outside the circular hole of blowing mouth (8) two ends.
8. coiled material surface according to claim 1 blows dust exhaust apparatus, it is characterized in that control valve installed by blower (2), and (3) install control valve to aspiration channel.
9. coiled material surface according to claim 1 blows dust exhaust apparatus, it is characterized in that blower (2) and aspiration channel (3) adopt Integral section bar structure.
10. coiled material surface according to claim 1 blows dust exhaust apparatus, it is characterized in that, in air box (1), having filter between air box entrance and air box export; Dust arrester is had below air box (1) inner blower tank inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510476077.0A CN105057278B (en) | 2015-08-06 | 2015-08-06 | Dust blowing and sucking device for surface of coiled material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510476077.0A CN105057278B (en) | 2015-08-06 | 2015-08-06 | Dust blowing and sucking device for surface of coiled material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105057278A true CN105057278A (en) | 2015-11-18 |
| CN105057278B CN105057278B (en) | 2017-03-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510476077.0A Active CN105057278B (en) | 2015-08-06 | 2015-08-06 | Dust blowing and sucking device for surface of coiled material |
Country Status (1)
| Country | Link |
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| CN (1) | CN105057278B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107262455A (en) * | 2016-04-08 | 2017-10-20 | 杨德保 | Contactless deduster |
| CN108190421A (en) * | 2018-01-12 | 2018-06-22 | 嘉兴美丹食品有限公司 | A kind of extra shredded coconut meat absorption plant of conveyor belt surface |
| CN111097754A (en) * | 2019-12-31 | 2020-05-05 | 深圳迈迪科技有限公司 | Dust removal device and control method thereof |
| CN113477618A (en) * | 2021-07-26 | 2021-10-08 | 合肥国轩高科动力能源有限公司 | Coiled material dust collector |
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| EP0524415A2 (en) * | 1991-07-25 | 1993-01-27 | Andreas Dipl.-Ing. Ahlbrandt | Device to remove dust particles from webs of material |
| WO2010003812A1 (en) * | 2008-06-26 | 2010-01-14 | Commissariat A L'energie Atomique | Method and device for the improved particulate decontamination of a surface by extraction |
| CN101716582A (en) * | 2008-12-30 | 2010-06-02 | 四川虹欧显示器件有限公司 | Method and device for washing industrial dust |
| CN103817109A (en) * | 2012-11-16 | 2014-05-28 | 株式会社日藤工业 | Dust collector |
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2015
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| JPS57103187U (en) * | 1980-12-12 | 1982-06-25 | ||
| EP0524415A2 (en) * | 1991-07-25 | 1993-01-27 | Andreas Dipl.-Ing. Ahlbrandt | Device to remove dust particles from webs of material |
| EP0524415A3 (en) * | 1991-07-25 | 1993-02-24 | Andreas Dipl.-Ing. Ahlbrandt | Device to remove dust particles from webs of material |
| WO2010003812A1 (en) * | 2008-06-26 | 2010-01-14 | Commissariat A L'energie Atomique | Method and device for the improved particulate decontamination of a surface by extraction |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107262455A (en) * | 2016-04-08 | 2017-10-20 | 杨德保 | Contactless deduster |
| CN108190421A (en) * | 2018-01-12 | 2018-06-22 | 嘉兴美丹食品有限公司 | A kind of extra shredded coconut meat absorption plant of conveyor belt surface |
| CN111097754A (en) * | 2019-12-31 | 2020-05-05 | 深圳迈迪科技有限公司 | Dust removal device and control method thereof |
| CN113477618A (en) * | 2021-07-26 | 2021-10-08 | 合肥国轩高科动力能源有限公司 | Coiled material dust collector |
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| CN105057278B (en) | 2017-03-22 |
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