CN110787571A - Improved welding dust collection system - Google Patents
Improved welding dust collection system Download PDFInfo
- Publication number
- CN110787571A CN110787571A CN201911197471.5A CN201911197471A CN110787571A CN 110787571 A CN110787571 A CN 110787571A CN 201911197471 A CN201911197471 A CN 201911197471A CN 110787571 A CN110787571 A CN 110787571A
- Authority
- CN
- China
- Prior art keywords
- rod
- vertical rod
- dust collection
- fixed
- pressing block
- 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
- 239000000428 dust Substances 0.000 title claims abstract description 53
- 238000003466 welding Methods 0.000 title claims abstract description 28
- 238000001914 filtration Methods 0.000 claims abstract description 44
- 239000000779 smoke Substances 0.000 claims abstract description 39
- 238000001179 sorption measurement Methods 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims abstract description 4
- 238000003825 pressing Methods 0.000 claims description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
- 239000007921 spray Substances 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims 1
- 238000000605 extraction Methods 0.000 claims 1
- 239000003546 flue gas Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/12—Washers with plural different washing sections
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
-
- 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
- B01D53/02—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 adsorption, e.g. preparative gas chromatography
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
Abstract
The invention discloses an improved welding dust collection system, which comprises a dust collection hose, a smoke discharge pipeline connected with the dust collection hose, a filtering device connected with the smoke discharge pipeline, an adsorption device arranged at an air outlet at the upper end of the filtering device and an exhaust pipe connected with the adsorption device, wherein a main air suction device is arranged on the smoke discharge pipeline, a smoke discharge air outlet pipe of the smoke discharge pipeline extends into liquid in the filtering device and is hermetically connected with the filtering device, one end of the dust collection hose is provided with a leading-out interface connected with the smoke discharge pipeline, the other end of the dust collection hose is provided with a collection port for collecting smoke dust, and the collection port is provided with a switch door for controlling the opening and the opening of the collection port. The invention can effectively perform dust collection and treatment and protect the environment.
Description
Technical Field
The invention belongs to the field of welding dust removal, and particularly relates to an improved welding dust collection system.
Background
Welding, also known as fusion, welding, is a manufacturing process and technique for joining metals or other thermoplastic materials, such as plastics, in a heated, high temperature or high pressure manner. The welding can let connect more firmly, but can produce harmful smoke and dust in welding process to bring the influence to operator's healthy, and influence operational environment's health, thereby it has high meaning to effectively remove the smoke and dust in welding process, makes production safety standard more. However, the smoke generated during welding is directly discharged into the air without treatment, which brings certain influence to the environment, and when the smoke is large, the smoke also brings great influence to the health and environment of people nearby.
Disclosure of Invention
The invention aims to provide an improved welding dust collection system which can effectively collect and treat dust and protect the environment.
In order to achieve the purpose, the invention provides an improved welding dust collection system which comprises a dust collection hose, a smoke discharge pipeline connected with the dust collection hose, a filtering device connected with the smoke discharge pipeline, an adsorption device arranged at an air outlet at the upper end of the filtering device and an exhaust pipe connected with the adsorption device, wherein a main air suction device is arranged on the smoke discharge pipeline, a smoke discharge and exhaust pipe of the smoke discharge pipeline extends into liquid in the filtering device and is in sealed connection with the filtering device, one end of the dust collection hose is provided with a leading-out interface connected with the smoke discharge pipeline, the other end of the dust collection hose is used for collecting smoke dust, and a switch door used for controlling the opening and the opening of the collection port is arranged on the collection port.
Preferably, the collecting port is connected with an adjustable support frame through a soft rod for adjusting the position of the collecting port, and the adjustable support frame is connected with a fixed structure for detachably connecting with a table top or a table top.
Preferably, a fan for performing dust collection is provided on the dust collection hose.
Preferably, the collecting opening further comprises an installation section and a cover opening, wherein one end of the installation section is connected with the dust collection hose and used for opening and closing the door, the cover opening is formed in the other end of the installation section, and one end of the cover opening, which is connected with the installation section, is small, and the other end of the cover opening is large.
Preferably, the adjustable support frame is used for a vertical rod connected with the fixed structure, a cross rod rotatably arranged on the vertical rod and a fixed rod fixedly connected with the vertical rod and the cross rod, the fixed rod penetrates through the cross rod and is detachably connected with the vertical rod, and the soft rod is arranged on the side wall of the opposite end of the connecting end of the cross rod and the vertical rod; the vertical rod comprises a vertical rod body, a vertical rod adjusting groove and a vertical rod pressing block, wherein one end of the vertical rod body is connected with the fixed structure, the vertical rod adjusting groove is formed in the other end of the vertical rod body, and the vertical rod pressing block is arranged at the opening of the vertical rod adjusting groove and is in contact compression with the cross rod; the cross rod comprises a cross rod body for installing the soft rod, a cross rod pressing block arranged at one end of the cross rod body and used for being in contact with the fixed rod and the vertical rod to be fixedly pressed, and a rotating rod arranged at one side of the cross rod pressing block and used for being inserted into the vertical rod adjusting groove, wherein a through hole penetrating through the cross rod pressing block and the rotating rod and used for allowing a vehicle to pass through is formed between the cross rod pressing block and the rotating rod; the dead lever is including being used for running through the horizontal pole and inserting the montant adjustment tank in with the fixed body of rod threaded connection's of the vertical body of rod bottom fixed body of rod, set up in the handle of the looks remote site of the fixed body of rod and fixed body of rod link and set up in with the fixed body of rod on compress tightly the dead lever compact heap with the horizontal pole contact.
Preferably, the fixed structure comprises a groove used for being clamped on a desktop or a table top, a fixed pressing block arranged in the groove and one surface of the fixed pressing block is used for being in contact with the bottom surface of the desktop or the table top, and a fixed adjusting rod movably connected with the other surface of the fixed pressing block, the fixed adjusting rod penetrates through one side of the groove and is in threaded connection with the groove, and the other end of the fixed adjusting rod is provided with a fixed handle.
Preferably, the smoke exhaust and air outlet pipe is provided with a plurality of exhaust holes for ejecting gas.
Preferably, the lower end of the filtering device is connected with a filtering tank for sedimentation and water storage, and the filtering tank is provided with a water inlet pipe.
Preferably, a plurality of spray heads for spraying and filtering are arranged at the upper end inside the filtering device, the spray heads are connected with a water pipe, the water pipe extends out of the filtering device and extends into the filtering tank, and a water pump is further arranged on the water pipe.
Compared with the prior art, the invention has the beneficial effects that:
in the invention, a complete dust collecting and removing system is formed by the collecting port, the dust collecting hose, the filtering device, the spray head and the adsorption device, so that dust can be effectively collected and treated, and the environment is protected. According to the invention, the position of the collecting port is effectively adjusted through the adjustable support frame and the soft rod, and dust collection is controlled through opening and closing the door, so that dust can be effectively collected, and the working environment is protected. According to the adjustable support frame, the position of the soft rod can be adjusted through the structures of the vertical rod, the horizontal rod and the fixed rod, so that the length of the soft rod can be reduced, and the strength and the stability of the soft rod support can be improved. According to the invention, the arrangement of the fan and the collection port cover enables the dust collection strength to be high and the dust collection effect to be improved. According to the invention, a circulating system is formed between the filtering tank and the filtering device through the spray head, the water pipe and the water pump, so that resources can be effectively saved, and the cost is reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a filter device according to the present invention;
fig. 3 is a schematic structural view of the adjustable support frame of the present invention.
Detailed Description
The technical solutions of the present invention are further described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following.
As shown in fig. 1-3, the present invention provides an improved welding dust collection system, which comprises a dust collection hose 1, a smoke discharge pipe 8 connected with the dust collection hose 1, a filtering device 10 connected with the smoke discharge pipe 8, an adsorption device 15 arranged at an air outlet at the upper end of the filtering device 10, and an exhaust pipe 16 connected with the adsorption device 15, wherein a total air suction device 9 is arranged on the smoke discharge pipe 8, a smoke discharge air outlet pipe 81 of the smoke discharge pipe 8 extends into liquid in the filtering device 10 and is hermetically connected with the filtering device 10, one end of the dust collection hose 1 is provided with a leading-out interface 4 connected with the smoke discharge pipe 8, the other end of the dust collection hose is provided with a collection port 2 for collecting smoke, and the collection port 2 is provided with a switch door 23 for controlling the opening and opening size of the collection port 2. The smoke exhaust and gas outlet pipe 81 is provided with a plurality of exhaust holes 82 for ejecting gas. The lower end of the filtering device 10 is connected with a filtering tank 14 for sedimentation and water storage, and a water inlet pipe 141 is arranged on the filtering tank 14. The upper end in the interior of the filtering device 10 is provided with a plurality of spray heads 12 for spraying and filtering, the spray heads 12 are connected with a water pipe 11, the water pipe 11 extends out of the filtering device 10 and goes deep into a filtering tank 14, and the water pipe 11 is further provided with a water pump 13.
The collecting port 2 is connected with an adjustable supporting frame 6 through a soft rod 7 for adjusting the position of the collecting port 2, and the adjustable supporting frame 6 is connected with a fixed structure 5 for detachably connecting with a desktop or a table top. The dust collection hose 1 is provided with a fan 3 for collecting dust. The collecting port 2 further comprises an installation section 21 and a cover opening 22, wherein one end of the installation section 21 is connected with the dust collection hose 1 and used for installing a switch door 23, the cover opening 22 is arranged at the other end of the installation section 21, and one end of the cover opening 22 connected with the installation section 21 is small, and the other end of the cover opening is large.
In this embodiment, the switching door 23 is in sealing contact with the inner side wall of the mounting section 21 when closed. The cover opening 22 is supported by the soft rod 7, can be closer to a welding position, and is convenient for adjusting the angle, so that the collection of smoke dust is more effective, and the work of an operator is not influenced. The total suction device 9 is a fan. The smoke exhaust pipe 81 is horizontally disposed in the filtering apparatus 10. The adsorption device 15 is provided with activated carbon.
The adjustable support frame 6 is used for a vertical rod 61 connected with the fixed structure 5, a cross rod 63 rotatably arranged on the vertical rod 61 and a fixed rod 62 for fixedly connecting the vertical rod 61 and the cross rod 63, the fixed rod 62 penetrates through the cross rod 63 to be detachably connected with the vertical rod 61, and the soft rod 7 is arranged on the side wall of the opposite end of the connecting end of the cross rod 63 and the vertical rod 61; the vertical rod 61 comprises a vertical rod body 611 with one end connected with the fixed structure 5, a vertical rod adjusting groove 612 arranged at the other end of the vertical rod body 611, and a vertical rod pressing block 613 arranged at the opening of the vertical rod adjusting groove 612 and pressed with the cross rod 63 in a contact manner; the cross bar 63 comprises a cross bar body 631 for mounting the soft bar 7, a cross bar pressing block 634 arranged at one end of the cross bar body 631 and used for being in contact with the fixed bar 62 and the vertical bar 61 and fixedly pressed, and a rotating bar 633 arranged at one side of the cross bar pressing block 634 and used for being inserted into the vertical bar adjusting groove 612, wherein a through hole 632 penetrating through the cross bar pressing block 634 and the rotating bar 633 and used for a vehicle to pass through is arranged between the cross bar pressing block 634 and the rotating bar 633; the fixing rod 62 includes a fixing rod 621 inserted into the vertical rod adjusting groove 612 through the cross rod 63 and connected with the vertical rod 611 at the bottom of the vertical rod adjusting groove 612 by screw threads, a handle 623 disposed at the opposite end of the connecting end of the fixing rod 621 and the fixing rod 621, and a fixing rod pressing block 622 disposed on the fixing rod 621 and pressed against the cross rod 63 in a contact manner.
The fixing structure 5 comprises a groove 51 used for being clamped on a table top or a table top, a fixing pressing block 52 arranged in the groove 51 and one surface of which is used for being in contact with the bottom surface of the table top or the table top, and a fixing adjusting rod 53 movably connected with the other surface of the fixing pressing block 52, wherein the fixing adjusting rod 53 penetrates through one side of the groove 51 and is in threaded connection with the groove 51, and the other end of the fixing adjusting rod 53 is provided with a fixing handle 54.
In this embodiment, the groove 51 is used to be sleeved on the edge of the table top or the table top by tightening the fixed adjusting rod 53, so that the groove 51 is pressed on the edge of the table top or the table top by the fixed pressing block 52. After the position of the groove 51 is fixed, the cross rod 63 is screwed to press the cross rod 63 between the fixed rod 62 and the vertical rod 61 by rotating the cross rod 63 so that the soft rod 7 is positioned close to the welding position; the flexible rod 7 can be adjusted to determine the position and angle of the cover opening 22, so that the switch door 23 can be opened for welding. When welding smoke is large, the fan 3 can be started to assist dust collection, so that the dust collection effect is improved, and the working environment and the body health of an operator are protected.
In the embodiment, during the welding process, the total air suction device 9 blows gas into the water in the filter device 10 and the gas is sprayed out through the air outlet 82 to improve the filtering contact area, and meanwhile, the water sprayed out from the spray head 12 can spray the untreated gas, so that the smoke and dust are effectively treated. The discharged gas is adsorbed by the adsorption device 15 and then discharged, so that the gas is purified. In the purification treatment process, the water is controlled to circulate between the filtering device 10 and the filtering tank 14 through the water pump 13, so that the cost can be effectively reduced.
The foregoing is merely a preferred embodiment of the invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to limit the invention to other embodiments, and to various other combinations, modifications, and environments and may be modified within the scope of the inventive concept as expressed herein, by the teachings or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. An improved welding dust collection system comprises a dust collection hose (1) and a smoke discharge pipeline (8) connected with the dust collection hose (1), it is characterized by also comprising a filtering device (10) connected with the smoke exhaust pipeline (8), an adsorption device (15) arranged at an air outlet at the upper end of the filtering device (10) and an exhaust pipe (16) connected with the adsorption device (15), the smoke exhaust pipeline (8) is provided with a main air suction device (9), a smoke exhaust and air outlet pipe (81) of the smoke exhaust pipeline (8) extends into the liquid in the filtering device (10) and is connected with the filtering device (10) in a sealing way, one end of the dust collection hose (1) is provided with an outlet interface (4) connected with the smoke exhaust pipeline (8) and the other end is provided with a collection port (2) for collecting smoke dust, the collecting opening (2) is provided with a switch door (23) for controlling the opening and the opening size of the collecting opening (2).
2. An improved welding suction system according to claim 1, characterized in that the collecting opening (2) is connected to an adjustable support (6) by means of a flexible rod (7) for adjusting the position of the collecting opening (2), the adjustable support (6) being connected to a fixed structure (5) for detachable connection to a table top or table top.
3. An improved welding vacuum system according to claim 1, characterized in that the vacuum hose (1) is provided with a fan (3) for vacuum suction.
4. An improved welding dust suction system as claimed in claim 1, characterized in that the collecting opening (2) further comprises a mounting section (21) with one end connected with the dust suction hose (1) for mounting the switch door (23) and a cover opening (22) arranged at the other end of the mounting section (21), wherein the cover opening (22) is connected with the mounting section (21) and has one small end and the other large end.
5. An improved welding dust extraction system as claimed in claim 1, wherein said adjustable support (6) is adapted to be used for a vertical rod (61) connected to the fixed structure (5), a cross rod (63) rotatably mounted on the vertical rod (61) and a fixed rod (62) for fixedly connecting the vertical rod (61) and the cross rod (63), said fixed rod (62) being detachably connected to the vertical rod (61) through the cross rod (63), said flexible rod (7) being mounted on the side wall of the end of the cross rod (63) opposite to the end connected to the vertical rod (61); the vertical rod (61) comprises a vertical rod body (611) with one end connected with the fixed structure (5), a vertical rod adjusting groove (612) arranged at the other end of the vertical rod body (611), and a vertical rod pressing block (613) arranged at the opening of the vertical rod adjusting groove (612) and pressed with the cross rod (63) in a contact manner; the cross rod (63) comprises a cross rod body (631) used for installing the soft rod (7), a cross rod pressing block (634) arranged at one end of the cross rod body (631) and used for being in contact with the fixed rod (62) and the vertical rod (61) to be fixedly pressed, and a rotating rod (633) arranged at one side of the cross rod pressing block (634) and used for being inserted into the vertical rod adjusting groove (612), wherein a through hole (632) penetrating through the cross rod pressing block (634) and the rotating rod (633) and used for allowing a vehicle to pass through is formed between the cross rod pressing block (634) and the rotating rod (633); the fixing rod (62) comprises a fixing rod body (621) which is used for penetrating through the cross rod (63) and is inserted into the vertical rod adjusting groove (612) to be in threaded connection with the vertical rod body (611) at the bottom of the vertical rod adjusting groove (612), a handle (623) which is arranged at the opposite end of the connecting end of the fixing rod body (621) and the fixing rod body (621), and a fixing rod pressing block (622) which is arranged on the fixing rod body (621) and is pressed with the cross rod (63) in a contact mode.
6. The improved welding dust collection system according to claim 1, wherein the fixing structure (5) comprises a groove (51) for being clamped on a table top or a table top, a fixed pressing block (52) arranged in the groove (51) and having one surface contacting with the bottom surface of the table top or the table top, and a fixed adjusting rod (53) movably connected with the other surface of the fixed pressing block (52), the fixed adjusting rod (53) penetrates through one side of the groove (51) to be in threaded connection with the groove (51), and the other end of the fixed adjusting rod (53) is provided with a fixed handle (54).
7. An improved welding vacuum system as defined in claim 1, wherein said flue gas outlet pipe (81) is provided with a plurality of exhaust holes (82) for ejecting gas.
8. An improved welding vacuum system as defined in claim 1, wherein said filtering means (10) is connected at its lower end to a filtering basin (14) for settling and storing water, said filtering basin (14) being provided with a water inlet pipe (141).
9. An improved welding dust suction system according to claim 1 or 8, characterized in that a plurality of spray heads (12) for spray filtration are arranged at the upper inner end of the filtering device (10), the spray heads (12) are connected with a water pipe (11), the water pipe (11) extends out of the filtering device (10) and extends into the filtering tank (14), and a water pump (13) is arranged on the water pipe (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911197471.5A CN110787571A (en) | 2019-11-29 | 2019-11-29 | Improved welding dust collection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911197471.5A CN110787571A (en) | 2019-11-29 | 2019-11-29 | Improved welding dust collection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110787571A true CN110787571A (en) | 2020-02-14 |
Family
ID=69446727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911197471.5A Pending CN110787571A (en) | 2019-11-29 | 2019-11-29 | Improved welding dust collection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110787571A (en) |
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| CN208467518U (en) * | 2017-12-11 | 2019-02-05 | 惠州市天翔昌运电子有限公司 | A kind of laser cutting device for ceramic tile cutting |
| CN109395518A (en) * | 2018-12-03 | 2019-03-01 | 湖南省金润碲业有限公司 | Soot processing device is used in a kind of granulation of metal |
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| CN209020177U (en) * | 2018-10-18 | 2019-06-25 | 浙江威明环境科技有限公司 | A kind of aluminum electrolytic tank flue gas desulfurization device |
| CN209576010U (en) * | 2018-12-20 | 2019-11-05 | 吉林市铭威汽车部件有限公司 | A kind of dusting smoke-discharging device for welding equipment |
| CN211836977U (en) * | 2019-11-29 | 2020-11-03 | 广州柏菲特电子通信科技有限公司 | Improved welding dust collection system |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4884554A (en) * | 1988-04-05 | 1989-12-05 | Yanagen Company Ltd. | Spit roaster |
| CN203303793U (en) * | 2013-05-30 | 2013-11-27 | 刘帅 | Soot capturing and purifying device |
| US20150004895A1 (en) * | 2013-06-28 | 2015-01-01 | Illinois Tool Works Inc. | Airborne component extractor with baffled debris collection |
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