CN112044191A - Automatic dust removal and purification device for furniture production workshop - Google Patents
Automatic dust removal and purification device for furniture production workshop Download PDFInfo
- Publication number
- CN112044191A CN112044191A CN202010888968.8A CN202010888968A CN112044191A CN 112044191 A CN112044191 A CN 112044191A CN 202010888968 A CN202010888968 A CN 202010888968A CN 112044191 A CN112044191 A CN 112044191A
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- cabinet
- dust
- dust removal
- filter screen
- air inlet
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0052—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with filtering elements moving during filtering operation
- B01D46/0056—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with filtering elements moving during filtering operation with rotational movement
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/16—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces arranged on non-filtering conveyors or supports
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/48—Removing dust other than cleaning filters, e.g. by using collecting trays
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention provides an automatic dust removal and purification device for a furniture production workshop. The automatic dust removal and purification device for the furniture production workshop comprises a purification cabinet; an exhaust pipe; the dust collection structure comprises a dust removal cabinet and a dust collection cabinet; a suction structure; the power structure comprises a second motor, a first wheel disc and a transmission belt; the first filtering structure comprises a second wheel disc, a gear, a filtering net, a dust removing brush, a rack, an air inlet pipe, a connecting column and an air jet hole; a second filter structure. The automatic dust removal and purification device for the furniture production workshop has the advantages of being convenient to clean the filter screen and avoiding blocking the filter screen.
Description
Technical Field
The invention relates to the technical field of furniture production, in particular to an automatic dust removal and purification device for a furniture production workshop.
Background
Furniture is also visible everywhere in our lives, is a frequently used facility, and has become an indispensable appliance in life and daily activities. Furniture doors are numerous and complete in variety, and various in materials, but mainly made of wood. Can produce a large amount of saw-dust dusts at furniture workshop production anchor clamps's in-process, all can cause serious influence to workman and production machine, very easily cause environmental pollution moreover, consequently dust collector is all installed to furniture manufacture factory, general furniture workshop dust collector roughly comprises two parts, and the first part is filtering large granule saw-dust and dust, and the second part is noxious material such as formaldehyde among the de-aeration, lets the air that gets into dust collector become nontoxic harmless air.
Most dust collector first part on the market is simple only sets up the filter screen and filters saw-dust and dust, and saw-dust and dust will glue on the filter screen under long-term the use, block up the filter screen, influence the filter effect.
Therefore, there is a need to provide a new automatic dust-removing and purifying device for furniture production workshop to solve the above technical problems.
Disclosure of Invention
In order to solve the technical problem, the invention provides an automatic dust removal and purification device for a furniture production workshop, which is convenient for cleaning a filter screen and avoiding blocking the filter screen.
The invention provides an automatic dust removal and purification device for a furniture production workshop, which comprises: a purification cabinet; the exhaust pipe is arranged on the top surface of the purification cabinet; the dust collection structure is fixed on the side wall of the purification cabinet and comprises a dust removal cabinet and a dust collection cabinet, the dust removal cabinet is fixed on the side wall of the purification cabinet, the interior of the dust removal cabinet is communicated with the interior of the purification cabinet, and the dust collection cabinet is connected to the interior of the bottom end of the dust removal cabinet in a sliding manner; the air suction structure is arranged on the side wall of the dust removal cabinet; the power structure is arranged inside the dust removal cabinet and comprises a second motor, a first wheel disc and a transmission belt, the second motor is arranged on the top surface of the inside of the dust removal cabinet, the first wheel disc is rotatably connected inside the second motor, and the transmission belt is rotatably connected with the first wheel disc; the first filtering structure is arranged in the dust removal cabinet and comprises a second wheel disc, a gear, a filter screen, a dust removal brush, racks, an air inlet pipe, a connecting column and an air jet hole, the second wheel disc is rotatably connected with the transmission belt, the connecting column is rotatably connected with the inner wall of the dust removal cabinet, the gear is respectively fixed at two ends of the connecting column, the second wheel disc is fixed on the side wall of the gear at the upper part, the inner side surface of the filter screen is rotatably connected with the gear, the dust removal brush is arranged in the dust removal cabinet and is abutted against the outer side surface of the filter screen, the racks are arranged at the edge of the inner side wall of the filter screen, the racks are connected with the gear in a meshing manner, the air inlet pipe penetrates through the gear at the lower part, and the air jet hole is arranged on the surface of the connecting column, and the gas injection holes are communicated with the inside of the connecting column; and the second filtering structure is arranged on the side wall of the purification cabinet.
Preferably, the air suction structure comprises a first motor, a fan and a protective cover, the first motor is installed on the inner side wall of the dust removal cabinet, the fan is connected with the inner portion of the first motor in a rotating mode, and the protective cover is installed on the side wall of the dust removal cabinet.
Preferably, the air inlet pipe is rotatably connected with the gear at the lower part and the inside of the connecting column, and the air inlet pipe is communicated with the inside of the connecting column.
Preferably, the inclination angle of the filter screen is 45 degrees, and the bottom end of the filter screen is positioned in the dust collecting cabinet.
Preferably, the second filtering structure comprises an air inlet, a collecting bag and a baffle, the air inlet is formed in the side wall of the purification cabinet, the interior of the purification cabinet and the interior of the dust removal cabinet are communicated through the air inlet, the collecting bag is mounted at the edge of the air inlet, and the baffle is fixed at the top end of the air inlet.
Preferably, the collecting bag is made of air-permeable cloth.
Compared with the related art, the automatic dust removal and purification device for the furniture production workshop has the following beneficial effects:
the invention provides an automatic dust removal and purification device for a furniture production workshop, which is characterized in that sawdust and dust in air are filtered by a continuously rotating filter screen, the sawdust and the dust are conveyed into a dust collection cabinet, the filter screen can be cleaned by a dust removal brush, the sawdust and the dust in the dust collection cabinet can be prevented from flying out, the gear at the lower part and a connecting column are driven to rotate while the filter screen rotates, the air blown into the connecting column through an air inlet pipe can be rotationally sprayed out through air spraying holes and sprayed onto the rotating filter screen, sawdust and dust which are not easy to fall off at each part of the filter screen are blown off, the cleanness of the filter screen is kept all the time, and the filtering effect of the filter screen is improved.
Drawings
FIG. 1 is a schematic structural diagram of an automated dust-removing and purifying device for furniture production workshops according to the present invention;
FIG. 2 is a schematic cross-sectional view of the dust collection structure shown in FIG. 1;
FIG. 3 is a schematic structural view of the filter structure shown in FIG. 1;
fig. 4 is an enlarged schematic view of the region a shown in fig. 3.
Reference numbers in the figures: 1. purification cabinet, 2, blast pipe, 3, dust collection structure, 31, dust removal cabinet, 32, dust collection cabinet, 4, the structure of breathing in, 41, first motor, 42, the fan, 43, the safety cover, 5, the power structure, 51, the second motor, 52, first rim plate, 53, the drive belt, 6, filtration structure, 61, the second rim plate, 62, the gear, 63, the filter screen, 64, the dust removal brush, 65, the rack, 66, the intake pipe, 67, the spliced pole, 68, the fumarole, 7, the second filtration structure, 71, the air intake, 72, collect the bag, 73, the baffle.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
Referring to fig. 1, fig. 2, fig. 3 and fig. 4, wherein fig. 1 is a schematic structural diagram of an automatic dust removing and purifying device for furniture production workshops according to a preferred embodiment of the present invention; FIG. 2 is a schematic cross-sectional view of the dust collection structure shown in FIG. 1; FIG. 3 is a schematic structural view of the filter structure shown in FIG. 1; fig. 4 is an enlarged schematic view of the region a shown in fig. 3. A automatic dust purification device for furniture workshop includes: a purification cabinet 1; the exhaust pipe 2 is arranged on the top surface of the purification cabinet 1; the dust collecting structure 3 is fixed on the side wall of the purifying cabinet 1, the dust collecting structure 3 comprises a dust removing cabinet 31 and a dust collecting cabinet 32, the dust removing cabinet 31 is fixed on the side wall of the purifying cabinet 1, the interior of the dust removing cabinet 31 is communicated with the interior of the purifying cabinet 1, and the dust collecting cabinet 32 is connected to the interior of the bottom end of the dust removing cabinet 31 in a sliding manner; the air suction structure 4 is mounted on the side wall of the dust removal cabinet 31; the power structure 5 is installed inside the dust removal cabinet 31, the power structure 5 comprises a second motor 51, a first wheel disc 52 and a transmission belt 53, the second motor 51 is installed on the top surface of the inside of the dust removal cabinet 31, the first wheel disc 52 is rotatably connected inside the second motor 51, and the transmission belt 53 is rotatably connected with the first wheel disc 52; first filtration 6, first filtration 6 install in the inside of dust removal cabinet 31, first filtration 6 includes second rim plate 61, gear 62, filter screen 63, dust removal brush 64, rack 65, intake pipe 66, spliced pole 67 and fumarole 68, second rim plate 61 with rotate between the drive belt 53 and be connected, spliced pole 67 rotate connect in the inner wall of dust removal cabinet 31, gear 62 is fixed in respectively the both ends of spliced pole 67, just second rim plate 61 is fixed in the upper portion the lateral wall of gear 62, the medial surface of filter screen 63 with rotate between the gear 62 and be connected, dust removal brush 64 install in the inside of dust removal cabinet 31, and dust removal brush 64 conflicts the lateral surface of filter screen 63, two rack 65 locates the inside wall edge of filter screen 63, just rack 65 with mesh connection between the gear 62, the air inlet pipe 66 penetrates through the gear 62 at the lower part, the air injection hole 68 is arranged on the surface of the connecting column 67, and the air injection hole 68 is communicated with the inside of the connecting column 67; and the second filtering structure 7 is arranged on the side wall of the purifying cabinet 1, and the second filtering structure 7 is arranged on the side wall of the purifying cabinet 1.
In a specific implementation process, as shown in fig. 2, the air suction structure 4 includes a first motor 41, a fan 42 and a protective cover 43, the first motor 41 is installed on an inner side wall of the dust removing cabinet 31, the fan 42 is rotatably connected with the inside of the first motor 41, and the protective cover 43 is installed on a side wall of the dust removing cabinet 31, so as to suck air containing wood chips and dust in a workshop into the dust removing cabinet 31.
In a specific implementation, as shown in fig. 3, the air inlet pipe 66 is rotatably connected with the gear 62 at the lower part and the inside of the connecting column 67, so that the air inlet pipe 66 does not rotate when the gear 62 and the connecting column rotate; and the air inlet pipe 66 is communicated with the inside of the connecting column 67, and in order to blow air in the air inlet pipe 66 into the inside of the connecting column 67, the air is ejected out through the air ejecting holes 68 to blow off wood chips and dust on the filter screen 63.
In the specific implementation process, as shown in fig. 2 and 3, the filter screen 63 is inclined at an angle of 45 degrees, so as to allow the sawdust and dust filtered by the filter screen 63 to fall into the dust collecting cabinet 32 by using the gravity; and the bottom end of the filter screen 63 is located inside the dust collecting cabinet 32, so that the sawdust and dust can fall into the dust collecting cabinet 32.
In the specific implementation process, as shown in fig. 2, the second filtering structure 7 includes an air inlet 71, a collecting bag 72 and a baffle 73, the air inlet 71 is disposed on the side wall of the purifying cabinet 1, the inside of the purifying cabinet 1 and the inside of the dust removing cabinet 31 are communicated through the air inlet 71, the collecting bag 72 is mounted on the edge of the air inlet 71, the baffle 73 is fixed on the top end of the air inlet 71, so that the air filtered by the filter screen 63 enters the purifying cabinet 1 for purification treatment, and meanwhile, the collecting bag 72 can prevent the wood chips and dust in the dust removing cabinet 31 from entering the purifying cabinet 1, and the collecting bag 72 can also filter the residual wood chips and dust in the air.
In one embodiment, as shown in fig. 2, the collection bag 72 is made of an air-permeable fabric so that the collection bag 72 can filter out residual wood chips and dust in the air without blocking the air from passing through.
The working principle of the automatic dust removal and purification device for the furniture production workshop provided by the invention is as follows:
and switching on an external power supply. The first motor 41 and the second motor 51 are started, the first motor 41 drives the fan 42 to rotate, the fan 42 generates strong suction force, air containing sawdust and dust in furniture production workshops is sucked into the dust removing cabinet 31, the second motor 51 drives the first wheel disc 52 to rotate, the first wheel disc 52 drives the transmission belt 53 to rotate, the transmission belt 53 drives the second wheel disc 61 to rotate, the second wheel disc 61 drives the gear 62 at the upper part in the dust removing cabinet 31 to rotate, the gear 62 at the upper part is meshed with the rack 65, therefore, the filter screen 63 rotates clockwise, the rack 65 at the inner side of the filter screen 63 drives the gear 62 at the lower part to rotate, and the gear 62 at the lower part drives the connecting column 67 to rotate; get into air in the dust removal cabinet 31 passes filter screen 63, saw-dust and dust in the air are by filter screen 63 filters, through clockwise rotation that filter screen 63 does not stop transports the bottom with saw-dust and dust in this morning cabinet 32, in the time of filter screen 63 pivoted, dust removal brush 64 is contradicted always the filter screen 63 back not only can with remaining saw-dust and dust in filter screen 63 surface are cleaned, can also prevent saw-dust and dust in the collection dirt cabinet 32 fly out, in addition the lower part gear 62 with when spliced pole 67 rotates, the air of fast flow passes through intake pipe 66 bloates into in the spliced pole 67. Then, the wood chips and dust adhered to the surface of the filter screen 63 can be blown off by the air flow speed sprayed by the air spraying holes 68, and the connecting column 67 rotates all the time and can continuously spray air to the filter screen 63, so that the wood chips and dust which are difficult to fall off from the filter screen 63 fall into the dust collection cabinet 32, the filter screen 63 is kept clean all the time, and the filtering effect of the filter screen 63 is improved; the filtered air passes through the filter screen 63 and then enters the collection bag 72 through the air inlet 71, the collection bag 72 leaves residual wood dust and dust in the air in the bag, the air enters the purification cabinet 1, the purification cabinet 1 cleans toxic substances in the air, and then the clean air is discharged into the atmosphere through the exhaust pipe 2.
Compared with the related art, the automatic dust removal and purification device for the furniture production workshop has the following beneficial effects:
the invention provides an automatic dust removal and purification device for a furniture production workshop, which utilizes a continuously rotating filter screen 63 to filter sawdust and dust in air and convey the sawdust and the dust into a dust collection cabinet 32, and a dust removal brush 64 can not only clean the filter screen 63, but also prevent the sawdust and the dust in the dust collection cabinet 32 from flying out, and the filter screen 63 rotates and drives a gear 62 and a connecting post 67 at the lower part to rotate, so that the air blown into the connecting post 67 through an air inlet pipe 66 can be rotationally sprayed out through an air spraying hole 68 and sprayed on the rotating filter screen 63, sawdust and dust which are not easy to fall off at each part of the filter screen 63 are blown off, the cleanness of the filter screen 63 is always kept, and the filtering effect of the filter screen 63 is improved.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. An automatic dust removal purification device for furniture production workshop, which is characterized by comprising:
a decontamination cabinet (1);
the exhaust pipe (2), the exhaust pipe (2) is installed on the top surface of the purification cabinet (1);
the dust collection structure (3) is fixed on the side wall of the purification cabinet (1), the dust collection structure (3) comprises a dust removal cabinet (31) and a dust collection cabinet (32), the dust removal cabinet (31) is fixed on the side wall of the purification cabinet (1), the interior of the dust removal cabinet (31) is communicated with the interior of the purification cabinet (1), and the dust collection cabinet (32) is connected to the interior of the bottom end of the dust removal cabinet (31) in a sliding manner;
the air suction structure (4), the air suction structure (4) is arranged on the side wall of the dust removal cabinet (31);
the power structure (5) is installed inside the dust removal cabinet (31), the power structure (5) comprises a second motor (51), a first wheel disc (52) and a transmission belt (53), the second motor (51) is installed on the top surface of the inside of the dust removal cabinet (31), the first wheel disc (52) is rotatably connected inside the second motor (51), and the transmission belt (53) is rotatably connected with the first wheel disc (52);
first filtration (6), first filtration (6) install in the inside of dust removal cabinet (31), first filtration (6) include second rim plate (61), gear (62), filter screen (63), dust removal brush (64), rack (65), intake pipe (66), spliced pole (67) and fumarole (68), second rim plate (61) with rotate between drive belt (53) and be connected, spliced pole (67) rotate connect in the inner wall of dust removal cabinet (31), gear (62) are fixed in respectively the both ends of spliced pole (67), just second rim plate (61) are fixed in the upper portion the lateral wall of gear (62), the medial surface of filter screen (63) with rotate between gear (62) and be connected, dust removal brush (64) install in the inside of dust removal cabinet (31), just dust removal brush (64) the lateral surface of filter screen (63) contradicts, the two racks (65) are arranged on the edge of the inner side wall of the filter screen (63), the racks (65) are meshed with the gear (62), the air inlet pipe (66) penetrates through the gear (62) at the lower part, the air injection holes (68) are arranged on the surface of the connecting column (67), and the air injection holes (68) are communicated with the inside of the connecting column (67);
and the second filtering structure (7), and the second filtering structure (7) is arranged on the side wall of the purification cabinet (1).
2. The automated dust-cleaning plant for furniture production plants according to claim 1, characterized in that said air suction structure (4) comprises a first motor (41), a fan (42) and a protective cover (43), said first motor (41) being mounted on the internal side wall of said dust-cleaning cabinet (31), said fan (42) being rotatably connected to the interior of said first motor (41), said protective cover (43) being mounted on the side wall of said dust-cleaning cabinet (31).
3. The automated dust extraction and purification device for furniture manufacturing plants according to claim 1, characterized in that said air inlet pipe (66) is rotatably connected between said gear (62) of the lower part and the inside of said connection column (67), and said air inlet pipe (66) communicates with the inside of said connection column (67).
4. The automated dust-removal purification device for furniture production plants according to claim 1, characterized in that the filter screen (63) is inclined at an angle of 45 degrees, and the bottom end of the filter screen (63) is located inside the dust collection cabinet (32).
5. The automated dust-removing and purifying device for the furniture production workshop according to claim 1, wherein the second filtering structure (7) comprises an air inlet (71), a collecting bag (72) and a baffle plate (73), the air inlet (71) is arranged on the side wall of the purifying cabinet (1), the interior of the purifying cabinet (1) and the interior of the dust-removing cabinet (31) are communicated through the air inlet (71), the collecting bag (72) is arranged at the edge of the air inlet (71), and the baffle plate (73) is fixed at the top end of the air inlet (71).
6. The automated dust-cleaning plant for furniture production plants according to claim 5, characterized in that the collecting bag (72) is made of air-permeable cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010888968.8A CN112044191A (en) | 2020-08-28 | 2020-08-28 | Automatic dust removal and purification device for furniture production workshop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010888968.8A CN112044191A (en) | 2020-08-28 | 2020-08-28 | Automatic dust removal and purification device for furniture production workshop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112044191A true CN112044191A (en) | 2020-12-08 |
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ID=73608128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010888968.8A Pending CN112044191A (en) | 2020-08-28 | 2020-08-28 | Automatic dust removal and purification device for furniture production workshop |
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| CN (1) | CN112044191A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2290299A1 (en) * | 1998-11-27 | 2000-05-27 | Hocker Polytechnik Gmbh | Apparatus for depositing solids from an air current |
| CN107762601A (en) * | 2017-12-06 | 2018-03-06 | 佛山早稻田环保节能科技有限公司 | A kind of automobile exhaust purifier |
| CN207980769U (en) * | 2018-02-11 | 2018-10-19 | 重庆市开州区金福家私行 | A kind of Furniture manufacturing workshop dust-extraction unit |
| CN208894835U (en) * | 2018-10-15 | 2019-05-24 | 宜昌市丽豪包装彩印有限公司 | A kind of automatic dust removing system of packing box workshop |
| CN208975441U (en) * | 2018-09-25 | 2019-06-14 | 湖南长丰汽车内装饰有限公司 | A kind of cleaner for the processing of automobile interior decoration panel |
| CN209297242U (en) * | 2019-01-23 | 2019-08-23 | 哈尔滨华德学院 | A kind of computer radiator-grid device |
| CN110237591A (en) * | 2019-06-28 | 2019-09-17 | 广西金秀松源林产有限公司 | A kind of rosin filter |
-
2020
- 2020-08-28 CN CN202010888968.8A patent/CN112044191A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2290299A1 (en) * | 1998-11-27 | 2000-05-27 | Hocker Polytechnik Gmbh | Apparatus for depositing solids from an air current |
| CN107762601A (en) * | 2017-12-06 | 2018-03-06 | 佛山早稻田环保节能科技有限公司 | A kind of automobile exhaust purifier |
| CN207980769U (en) * | 2018-02-11 | 2018-10-19 | 重庆市开州区金福家私行 | A kind of Furniture manufacturing workshop dust-extraction unit |
| CN208975441U (en) * | 2018-09-25 | 2019-06-14 | 湖南长丰汽车内装饰有限公司 | A kind of cleaner for the processing of automobile interior decoration panel |
| CN208894835U (en) * | 2018-10-15 | 2019-05-24 | 宜昌市丽豪包装彩印有限公司 | A kind of automatic dust removing system of packing box workshop |
| CN209297242U (en) * | 2019-01-23 | 2019-08-23 | 哈尔滨华德学院 | A kind of computer radiator-grid device |
| CN110237591A (en) * | 2019-06-28 | 2019-09-17 | 广西金秀松源林产有限公司 | A kind of rosin filter |
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Application publication date: 20201208 |
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| RJ01 | Rejection of invention patent application after publication |