CN109316848B - But equipment of automatic filtration welding smoke and dust - Google Patents

But equipment of automatic filtration welding smoke and dust Download PDF

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Publication number
CN109316848B
CN109316848B CN201811400919.4A CN201811400919A CN109316848B CN 109316848 B CN109316848 B CN 109316848B CN 201811400919 A CN201811400919 A CN 201811400919A CN 109316848 B CN109316848 B CN 109316848B
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China
Prior art keywords
strip
shaped bearing
base
bearing base
bar
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CN201811400919.4A
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CN109316848A (en
Inventor
张敬强
祝邦文
曹丽丽
聂大明
黄江华
马春红
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Zhejiang Lover Health Science and Technology Development Co Ltd
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Zhejiang Lover Health Science and Technology Development Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0027Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
    • B01D46/0036Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2258/00Sources of waste gases
    • B01D2258/02Other waste gases
    • B01D2258/0283Flue gases

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Treating Waste Gases (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

The invention discloses equipment capable of automatically filtering welding smoke dust, which comprises a first strip-shaped bearing base, wherein a second strip-shaped bearing base matched with the first strip-shaped bearing base is arranged on the outer side of the first strip-shaped bearing base, welding smoke dust filtering mechanisms are arranged on the upper surfaces of the first strip-shaped bearing base and the second strip-shaped bearing base, and moving mechanisms are arranged on the lower surfaces of the first strip-shaped bearing base and the second strip-shaped bearing base. The invention has the advantages that the angle and the height of the device can be conveniently adjusted along with the welding position, the device is suitable for well absorbing the welding smoke and is also convenient for well filtering the smoke, so that the discharged smoke is clean and the environment is relatively protected.

Description

But equipment of automatic filtration welding smoke and dust
Technical Field
The invention relates to the field of filtration, in particular to equipment capable of automatically filtering welding smoke dust.
Background
Filtration is the operation of separating the mixed product.
In order to make the connection between two or two objects more excellent, welding is generally used for connection, when welding is carried out, because when the welding is carried out, when the welding is in contact with the surface of the welding object, splashed sparks are generated, and meanwhile, dust appears when the flames are gradually extinguished.
Disclosure of Invention
The invention aims to solve the problems and designs equipment capable of automatically filtering welding fume.
The technical scheme of the invention is that the equipment capable of automatically filtering welding smoke dust comprises a first strip-shaped bearing base, a second strip-shaped bearing base matched with the first strip-shaped bearing base is arranged on the outer side of the first strip-shaped bearing base, smoke dust filtering and welding mechanisms are arranged on the upper surfaces of the first strip-shaped bearing base and the second strip-shaped bearing base, moving mechanisms are arranged on the lower surfaces of the first strip-shaped bearing base and the second strip-shaped bearing base, the smoke dust filtering and welding mechanisms mainly comprise two pairs of swing support frames which are hinged to the upper surfaces of the first strip-shaped bearing base and the second strip-shaped bearing base, vertical stretching rods embedded on the upper end surfaces of the swing support frames, arc-shaped bearing blocks arranged on the end surfaces of the vertical stretching rods, arc-shaped sliding grooves machined on the inner side surfaces of the arc-shaped bearing blocks, sliding blocks arranged in the arc-, The cigarette box comprises a semicircular hollow shell connected with the side surface of each sliding block through a hinge, a pair of horizontal stretching frames arranged between two end surfaces of the semicircular hollow shells, a wide-mouth cigarette inlet pipe arranged on the lower surface of each semicircular hollow shell, a semicircular bearing net rack arranged at the center of the inner side surface of each semicircular hollow shell, an adsorption bag arranged on the upper surface of the semicircular bearing net rack, a miniature suction fan arranged on the inner upper surface of each semicircular hollow shell, an interception screen arranged in each semicircular hollow shell and positioned between the adsorption bag and the miniature suction fan, a conveying conduit arranged on the upper surface of each horizontal stretching frame and between the side surfaces of the lower ends of the semicircular hollow shells, and a plurality of air holes processed on the upper surface of each semicircular hollow shell.
The moving mechanism mainly comprises a plurality of trapezoidal support frames, a pair of sliding grooves, a triangular support frame, a pair of vertical stand columns, support universal wheels and brake frames, wherein the trapezoidal support frames are arranged on a first bar-shaped bearing base and a second bar-shaped bearing base lower surface, the sliding grooves are machined on two opposite side surfaces of each trapezoidal support frame, the triangular support frames are arranged in each sliding groove and bear the base with the corresponding first bar-shaped bearing base or the corresponding second bar-shaped bearing base lower surface, the vertical stand columns are arranged at two ends of the lower surface of each trapezoidal support frame, the support universal wheels are sleeved on the lower end faces of each vertical stand column, and the brake frames.
Each annular interception frame is established to wide-mouth cigarette feeding pipe inside surface lower extreme, every the wide-mouth cigarette feeding pipe inside surface just with a plurality of dust absorption mixture bag of the overlap joint of the annular interception frame looks that corresponds.
The longitudinal section of each horizontal stretching frame is in an inverted U shape.
The wide-mouth exhaust pipe is embedded in each vent hole, the upper end face of each wide-mouth exhaust pipe is sleeved with a circular support frame, and a rotating fan is arranged in each circular support frame.
One end of each conveying conduit is positioned below the corresponding semicircular bearing net rack.
The other end of each conveying conduit is sleeved with an elastic inverted U-shaped air suction shell matched with the horizontal stretching frame.
And each arc-shaped bearing block is embedded with an arc-shaped lamp strip on the lower surface, and each arc-shaped lamp strip is connected with the corresponding lower surface of the arc-shaped bearing block through two pairs of spring grippers.
The center of each horizontal stretching frame is a double-section horizontal stretching frame connected through a hinge.
The main components in the adsorption bag comprise quartz sand, activated carbon and porous dust absorption stone blocks.
The equipment capable of automatically filtering welding smoke dust manufactured by the technical scheme of the invention is a device which is convenient to adjust the angle and the height along with the welding position, is suitable for well absorbing the welding smoke dust, is also convenient to well filter the smoke dust, ensures that the discharged smoke dust is clean and relatively protects the environment.
Drawings
FIG. 1 is a schematic structural diagram of an apparatus for automatically filtering welding fume according to the present invention;
FIG. 2 is a top sectional view of an apparatus for automatically filtering welding fumes according to the present invention;
FIG. 3 is a partial sectional front view of an apparatus for automatically filtering welding fumes in accordance with the present invention;
FIG. 4 is a front sectional view of the horizontal stretching frame, the conveying pipe and the elastic inverted U-shaped air draft shell of the device for automatically filtering welding fume of the present invention;
FIG. 5 is a bottom view of the arc-shaped support block, the arc-shaped light strip and the spring clamp in the device for automatically filtering welding fume of the present invention;
FIG. 6 is a partial side sectional view of a moving mechanism in an apparatus for automatically filtering welding fumes according to the present invention;
in the figure, 1, a first strip-shaped bearing base; 2. a second strip-shaped bearing base; 3. swinging the support frame; 4. a vertical stretch rod; 5. an arc-shaped bearing block; 6. a slider; 7. a semi-circular hollow shell; 8. a horizontal stretching frame; 9. a wide-mouth tobacco inlet pipe; 10. a semicircular bearing net rack; 11. adsorbing the bag; 12. a miniature suction fan; 13. intercepting a screen mesh; 14. a delivery catheter; 15. a trapezoidal support frame; 16. a triangular support frame; 17. a vertical column; 18. supporting a universal wheel; 19. a brake frame; 20. an annular intercepting frame; 21. a dust-absorbing mixing bag; 22. a wide-mouth exhaust pipe; 23. a circular support frame; 24. rotating the fan; 25. an elastic inverted U-shaped air suction shell; 26. an arc-shaped lamp strip; 27. the spring presss from both sides the hand.
Detailed Description
The present invention is described in detail with reference to the accompanying drawings, and as shown in fig. 1-6, an apparatus capable of automatically filtering welding fume comprises a first bar-shaped bearing base 1, a second bar-shaped bearing base 2 matched with the first bar-shaped bearing base 1 is arranged outside the first bar-shaped bearing base 1, a mechanism for filtering welding fume is arranged on the upper surfaces of the first bar-shaped bearing base 1 and the second bar-shaped bearing base 2, moving mechanisms are arranged on the lower surfaces of the first bar-shaped bearing base 1 and the second bar-shaped bearing base 2, and the mechanism for filtering welding fume mainly comprises two pairs of swing support frames 3 connected with the upper surfaces of the first bar-shaped bearing base 1 and the second bar-shaped bearing base 2 through hinges, vertical stretching rods 4 embedded on the upper end surfaces of the swing support frames 3, arc-shaped bearing blocks 5 arranged on the end surfaces of the vertical stretching rods 4, arc-shaped sliding grooves machined on the inner side surfaces of the arc, A sliding block 6 arranged in each arc-shaped sliding groove, a semicircular hollow shell 7 hinged on the side surface of each sliding block 6, a pair of horizontal stretching frames 8 arranged between the two end surfaces of the pair of semicircular hollow shells 7, a wide-mouth tobacco inlet pipe 9 arranged on the lower surface of each semicircular hollow shell 7, a semicircular bearing net rack 10 arranged at the center of the inner side surface of each semicircular hollow shell 7, an adsorption bag 11 arranged on the upper surface of the semicircular bearing net rack 10, a miniature suction fan 12 arranged on the inner upper surface of each semicircular hollow shell 7, an interception screen 13 arranged in each semicircular hollow shell 7 and positioned between the adsorption bag 11 and the miniature suction fan 12, a conveying conduit 14 arranged on the upper surface of each horizontal stretching frame 8 and between the upper surface of each horizontal stretching frame and the side surfaces of the lower ends of the semicircular hollow shells 7, and a plurality of air holes processed on the upper surface of each semicircular hollow shell 7; the moving mechanism mainly comprises a plurality of trapezoidal support frames 15 arranged on the lower surfaces of a first strip-shaped bearing base 1 and a second strip-shaped bearing base 2, a pair of sliding grooves machined on the two opposite side surfaces of each trapezoidal support frame 15, a triangular support frame 16 arranged in each sliding groove and between the corresponding lower surface of the first strip-shaped bearing base 1 or the second strip-shaped bearing base 2, a pair of vertical upright posts 17 arranged at two ends of the lower surface of each trapezoidal support frame 15, a support universal wheel 18 sleeved on the lower end face of each vertical upright post 17 and a brake frame 19 positioned on each support universal wheel 18; the lower end of the inner side surface of each wide-mouth tobacco inlet pipe 9 is provided with an annular intercepting frame 20, and the inner side surface of each wide-mouth tobacco inlet pipe 9 is provided with a plurality of dust-absorbing mixed material bags 21 which are lapped with the corresponding annular intercepting frames 20; the longitudinal section of each horizontal stretching frame 8 is in an inverted U shape; a wide-mouth exhaust pipe 22 is embedded in each vent hole, a circular support frame 23 is sleeved on the upper end face of each wide-mouth exhaust pipe 22, and a rotary fan 24 is arranged in each circular support frame 23; one end of each conveying conduit 14 is positioned below the corresponding semicircular carrying net rack 10; the other end of each conveying conduit 14 is sleeved with an elastic inverted U-shaped air suction shell 25 matched with the horizontal stretching frame 8; an arc-shaped light strip 26 is embedded in the lower surface of each arc-shaped bearing block 5, and each arc-shaped light strip 26 is connected with the lower surface of the corresponding arc-shaped bearing block 5 through two pairs of spring clamps 27; the center of each horizontal stretching frame 8 is a double-section horizontal stretching frame 8 connected by a hinge; the main components in the adsorption bag 11 are quartz sand, active carbon and porous dust absorption stone blocks.
The present embodiment is characterized in that, when the device is used, the device is placed at the welding position, right above, according to the welding width, the stretching degree of the pair of horizontal stretching frames 8 is adjusted, wherein the pair of semicircular hollow shells 7 on the end surfaces of the pair of horizontal stretching frames 8 is convenient to face above the splashing range of the welding position, the smoke gas is upward drifted, so the smoke gas falls into the semicircular hollow shells 7, the smoke gas is convenient to be filtered and adsorbed by the adsorption bags 11 positioned inside, the purified smoke gas is discharged through the ventilation holes on the upper surface, wherein the wide-mouth smoke inlet pipe 9 positioned on the lower surface of each semicircular hollow shell 7 is convenient to be wide-mouth smoke inlet, wherein each adsorption bag 11 is supported by the semicircular bearing net rack 10, is reticular, so the permeation is convenient, wherein the miniature suction fan 12 positioned on the inner upper surface of each semicircular hollow shell 7 is opened, the proper air suction is carried out through the lower part, the auxiliary smoke is convenient to concentrate upwards, the quick filtration is convenient, the sucked air is discharged through an air vent, the air suction is also convenient to carry out because the longitudinal section of each horizontal stretching frame 8 is in an inverted U shape, the smoke suction is also convenient to carry out, the smoke suction enters the semicircular hollow shell 7 through the conveying pipe 14, the air suction is also convenient to carry out through the miniature suction fan 12 because the air suction is carried out below the semicircular bearing screen 10, each semicircular hollow shell 7 is connected with the arc-shaped sliding groove on the inner side surface of the corresponding arc-shaped bearing block 5 through the sliding block 6, the angle of the sliding block is convenient to adjust because the hinge connection is arranged between each semicircular hollow shell 7 and the corresponding sliding block 6, each sliding block 6 slides in the corresponding arc-shaped sliding groove, the angle of the smoke suction is convenient to adjust, each arc-shaped bearing block 5 is connected with the corresponding swing supporting frame 3 through the vertical rod 4, wherein every vertical tensile pole 4 all can carry out vertical stretching, the adjustment smoking height, wherein every swing support frame 3 bears base 1 or No. two bars that correspond and bears and is hinged joint between the base 2 upper surface with a bar, the angle of adjustment of being convenient for, one of them bar bears base 1 and No. two bars and bears base 2 and all can support this device, one kind is convenient for carry out angle of adjustment and height along with the welded position, the adaptation well absorption is carried out to the flue gas of welding, also be convenient for carry out good filtration to the flue gas, make the exhaust flue gas clean, the device of relatively environmental protection.
In the present embodiment, when using the apparatus, the apparatus is placed at the welding place, directly above, and the stretching degree of the pair of horizontal stretching frames 8 is adjusted according to the width of the welding, wherein the pair of semicircular hollow shells 7 on the end surfaces of the pair of horizontal stretching frames 8 is directed above the splashing range of the welding place, the flue gas falls into the semicircular hollow shells 7 because the flue gas is floated upward, the flue gas is filtered and adsorbed by the adsorption packs 11 positioned inside, the purified flue gas is discharged through the ventilation holes on the upper surface, wherein the wide-mouth flue gas intake hopper 9 positioned on the lower surface of each semicircular hollow shell 7 is convenient for the wide-mouth flue gas intake, wherein each adsorption pack 11 is supported by the semicircular carrier net 10, and is easy to permeate because of the mesh shape, wherein the micro suction fan 12 positioned on the inner upper surface of each semicircular hollow shell 7 is opened, the proper air suction is carried out through the lower part, the auxiliary smoke is convenient to concentrate upwards, the quick filtration is convenient, the sucked air is discharged through an air vent, the air suction is also convenient to carry out because the longitudinal section of each horizontal stretching frame 8 is in an inverted U shape, the smoke suction is also convenient to carry out, the smoke suction enters the semicircular hollow shell 7 through the conveying pipe 14, the air suction is also convenient to carry out through the miniature suction fan 12 because the air suction is carried out below the semicircular bearing screen 10, each semicircular hollow shell 7 is connected with the arc-shaped sliding groove on the inner side surface of the corresponding arc-shaped bearing block 5 through the sliding block 6, the angle of the sliding block is convenient to adjust because the hinge connection is arranged between each semicircular hollow shell 7 and the corresponding sliding block 6, each sliding block 6 slides in the corresponding arc-shaped sliding groove, the angle of the smoke suction is convenient to adjust, each arc-shaped bearing block 5 is connected with the corresponding swing supporting frame 3 through the vertical rod 4, wherein each vertical stretching rod 4 can be vertically stretched to adjust the smoking height, each swing support frame 3 is hinged with the upper surface of the corresponding first strip-shaped bearing base 1 or second strip-shaped bearing base 2 to facilitate angle adjustment, the first strip-shaped bearing base 1 and the second strip-shaped bearing base 2 can support the device, a plurality of support universal wheels 18 positioned below the first strip-shaped bearing base 1 and the second strip-shaped bearing base 2 facilitate support, the device can move under pushing, each support universal wheel 18 is connected with the corresponding trapezoidal support frame 15 through a vertical upright post 17, each strip-shaped support frame 15 is connected with the lower surfaces of the first strip-shaped bearing base 1 and the second strip-shaped bearing base 2 through a pair of triangular support frames 16 and is well fixed, wherein the braking frame 19 on each supporting universal wheel 18 is convenient for swinging downwards to lock and fix the corresponding supporting universal wheel 18, wherein the dust absorption mixing material belt 21 on the inner side surface of each wide-mouth tobacco inlet pipe 9 is more than that for assisting in smoking, each dust absorption mixing material bag 21 is connected with the inner side surface of the corresponding wide-mouth tobacco inlet pipe 9 through an annular intercepting frame 20 and is convenient for fixing, wherein the wide-mouth exhaust pipe 22 in each vent hole is convenient for exhausting, the rotating fan 24 in each wide-mouth exhaust pipe 22 is convenient for self-rotating along with upward wind so as to facilitate in assisting in exhausting smoke, wherein each rotating fan 24 is connected with the corresponding wide-mouth exhaust pipe 22 through a circular supporting frame 23, and wherein the elastic inverted U-shaped air suction shell 25 which is positioned on the lower end surface of each transfer conduit 14 and in the horizontal stretching frame 8 is convenient for air suction, the arc lamp strips 26 on the lower surface of each arc bearing block 5 are convenient to illuminate, the arc lamp strips 26 are connected with the corresponding lower surface of each arc bearing block 5 through a pair of spring clamps 27, the miniature suction fans 12 are provided with power connecting wires, only provide air suction effect, and have small size.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.

Claims (10)

1. The utility model provides an equipment that can automatic filtration welding smoke and dust, includes that the bar bears base (1), the bar bears base (1) outside and establishes rather than assorted bar two and bears base (2), its characterized in that, base (1) is born to the bar and No. two bar upper surfaces are born base (2) and are established and filter welding smoke and dust mechanism to the bar, base (1) is born to the bar and No. two bar lower surfaces are born base (2) all establish moving mechanism, filter welding smoke and dust mechanism mainly by hinged joint two pairs of swing support frames (3) that the bar bears base (1) and No. two bar upper surfaces of bearing base (2), inlay vertical tensile pole (4) on every swing support frame (3) up end, set up arc carrier block (5) on every vertical tensile pole (4) terminal surface, processing arc sliding groove on every arc carrier block (5) inboard surface, A sliding block (6) arranged in each arc-shaped sliding groove, a semicircular hollow shell (7) hinged on the side surface of each sliding block (6), a pair of horizontal stretching frames (8) arranged between the two end surfaces of the pair of semicircular hollow shells (7), a wide-mouth tobacco inlet pipe (9) arranged on the lower surface of each semicircular hollow shell (7), a semicircular bearing net rack (10) arranged at the center of the inner side surface of each semicircular hollow shell (7), an adsorption bag (11) arranged on the upper surface of the semicircular bearing net rack (10), a miniature suction fan (12) arranged on the inner upper surface of each semicircular hollow shell (7), an interception screen (13) arranged in each semicircular hollow shell (7) and positioned between the adsorption bag (11) and the miniature suction fan (12), a conveying conduit (14) arranged on the upper surface of each horizontal stretching frame (8) and between the side surfaces of the lower ends of the pair of semicircular hollow shells (7), A plurality of air holes processed on the upper surface of each semicircular hollow shell (7).
2. The device capable of automatically filtering welding fume according to claim 1, wherein the moving mechanism mainly comprises a plurality of trapezoidal support frames (15) arranged on the lower surfaces of a first strip-shaped bearing base (1) and a second strip-shaped bearing base (2), a pair of sliding grooves machined on the two opposite side surfaces of each trapezoidal support frame (15), a triangular support frame (16) arranged in each sliding groove and between the corresponding lower surface of the first strip-shaped bearing base (1) or the second strip-shaped bearing base (2), a pair of vertical upright posts (17) arranged at two ends of the lower surface of each trapezoidal support frame (15), a support universal wheel (18) sleeved on the lower end surface of each vertical upright post (17), and a brake frame (19) positioned on each support universal wheel (18).
3. The equipment capable of automatically filtering welding fume as claimed in claim 1, wherein the lower end of the inner side surface of each wide-mouth fume inlet pipe (9) is provided with an annular intercepting frame (20), and a plurality of dust-absorbing and mixing material bags (21) which are overlapped with the corresponding annular intercepting frames (20) are arranged on the inner side surface of each wide-mouth fume inlet pipe (9).
4. The apparatus for automatically filtering welding fumes according to claim 1, characterized in that each horizontal stretching frame (8) has an inverted U-shaped longitudinal section.
5. The equipment capable of automatically filtering welding fume according to claim 1, wherein a wide-mouth exhaust pipe (22) is embedded in each air vent, a circular support frame (23) is sleeved on the upper end face of each wide-mouth exhaust pipe (22), and a rotating fan (24) is arranged in each circular support frame (23).
6. An apparatus for automatically filtering welding fumes according to claim 1, characterized in that each of said conveying ducts (14) has one end located below the corresponding semicircular carrier rack (10).
7. The apparatus for automatically filtering welding fumes according to claim 1 or 6, characterized in that each of said conveying ducts (14) has, at the other end, an elastic inverted U-shaped aspirating shell (25) fitted over and matching the horizontal stretching frame (8).
8. The device capable of automatically filtering welding fume according to claim 1, wherein a curved light strip (26) is embedded on the lower surface of each curved bearing block (5), and each curved light strip (26) is connected with the lower surface of the corresponding curved bearing block (5) through two pairs of spring clamping hands (27).
9. The apparatus for automatically filtering welding fume as claimed in claim 1, wherein each horizontal stretching frame (8) is a hinged two-section horizontal stretching frame (8) at the center.
10. The apparatus for automatically filtering welding fume as claimed in claim 1, wherein the main components in the adsorption bag (11) are quartz sand, activated carbon and porous dust absorption stone blocks.
CN201811400919.4A 2018-11-22 2018-11-22 But equipment of automatic filtration welding smoke and dust Active CN109316848B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811400919.4A CN109316848B (en) 2018-11-22 2018-11-22 But equipment of automatic filtration welding smoke and dust

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Application Number Priority Date Filing Date Title
CN201811400919.4A CN109316848B (en) 2018-11-22 2018-11-22 But equipment of automatic filtration welding smoke and dust

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CN109316848A CN109316848A (en) 2019-02-12
CN109316848B true CN109316848B (en) 2020-09-22

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6322618B1 (en) * 1998-10-19 2001-11-27 Texas Electroniques Canada Inc. Adjustable duct assembly for fume and dust removal and filter cleaner
EP1019171B1 (en) * 1998-07-22 2006-03-15 William J. Haslebacher Portable clean air supply assembly for designated volume air cleaning
CN107913888A (en) * 2017-11-24 2018-04-17 河北长江中远吊索具有限公司 Flue dust collecting purifier
CN207356781U (en) * 2017-10-27 2018-05-15 苏州格劳兰净化设备有限公司 A kind of travelling cleaner
CN108421321A (en) * 2018-05-03 2018-08-21 常熟共益信息科技有限公司 A kind of air filter for factory's dedusting

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1019171B1 (en) * 1998-07-22 2006-03-15 William J. Haslebacher Portable clean air supply assembly for designated volume air cleaning
US6322618B1 (en) * 1998-10-19 2001-11-27 Texas Electroniques Canada Inc. Adjustable duct assembly for fume and dust removal and filter cleaner
CN207356781U (en) * 2017-10-27 2018-05-15 苏州格劳兰净化设备有限公司 A kind of travelling cleaner
CN107913888A (en) * 2017-11-24 2018-04-17 河北长江中远吊索具有限公司 Flue dust collecting purifier
CN108421321A (en) * 2018-05-03 2018-08-21 常熟共益信息科技有限公司 A kind of air filter for factory's dedusting

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