CN111420503B - High dust workshop air filter - Google Patents
High dust workshop air filter Download PDFInfo
- Publication number
- CN111420503B CN111420503B CN202010257157.8A CN202010257157A CN111420503B CN 111420503 B CN111420503 B CN 111420503B CN 202010257157 A CN202010257157 A CN 202010257157A CN 111420503 B CN111420503 B CN 111420503B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
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- 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
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- 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
- B01D47/06—Spray cleaning
Abstract
The invention discloses an air filtering device for a high-dust workshop, which comprises a dust collecting box, a dust settling tank and a water tank, wherein the dust collecting box is arranged on the upper part of the dust collecting box; the left side surface and the right side surface of the dust collection box are both provided with connecting pipes, and the front end surface of the dust collection box is provided with an open slot; a lockable box door is hinged at the open slot, the bottom of the dust collection box is provided with an opening, the opening is connected with a box cover through a bolt, the bottom of the box cover is connected with an air inlet machine through a bolt, and a bracket for connecting a roof is fixed on the top of the dust collection box through a screw; the box cover can be integrally disassembled downwards, and the interior of the dust collection box can be cleaned after the box cover is disassembled; the box door can be rotatably opened, and after the box door is rotatably opened, the interior of the dust collection box can be conveniently and quickly cleaned; the product can avoid the blocking phenomenon, can realize the effective filtration of dust, and has very low maintenance cost.
Description
Technical Field
The invention relates to an air filtering device for a high-dust workshop.
Background
In production workshops such as stone processing and wood processing, along with the production work, a large amount of dust can be formed indoors in a diffused mode, and the dust is dissociated in the air and inhaled by the lung, so that the lung can be polluted, and death can be caused.
Therefore, under the high-dust operation environment, an industrial air purifier is needed to filter air through large-flow inlet air. However, the frequency of replacement of the filter element built in is very high due to the high dust content.
And when the built-in filter element is excessively polluted, the ventilation capacity is very poor, the ventilation capacity is poor, the filtering efficiency is low, and the maintenance cost is high. Resulting in a very poor result in practical use.
Based on the problems, the air filtering device for the high-dust workshop is designed, can avoid the blocking phenomenon, can realize effective filtering of dust, and is very low in maintenance cost.
Disclosure of Invention
The invention aims to solve the technical problem of providing the high-dust workshop air filtering device which can avoid the blocking phenomenon, can realize the effective filtration of dust and has very low maintenance cost.
In order to solve the problems, the invention adopts the following technical scheme:
a high dust workshop air filter device comprises a dust collection box, a dust fall tank and a water tank; the volume of the water tank is 1000-4000L;
the left side surface and the right side surface of the dust collection box are both provided with connecting pipes, and the front end surface of the dust collection box is provided with an open slot; a lockable box door is hinged at the open slot, the bottom of the dust collection box is provided with an opening, the opening is connected with a box cover through a bolt, the bottom of the box cover is connected with an air inlet machine through a bolt, and a bracket for connecting a roof is fixed on the top of the dust collection box through a screw; the box cover can be integrally disassembled downwards, and the interior of the dust collection box can be cleaned after the box cover is disassembled; the box door can be rotatably opened, and after the box door is rotatably opened, the interior of the dust collection box can be conveniently and quickly cleaned;
a first connecting pipe is welded on the outer wall of the dust settling tank, a water diversion disc is arranged inside the dust settling tank and located above the first connecting pipe, an annular water diversion groove is formed in the outer wall of the water diversion disc, spraying holes are uniformly distributed at the bottom of the water diversion groove, and water sprayed out of the spraying holes contacts the inner wall of the dust settling tank and then collides to form water mist; the upper end of the water distribution disc is connected with a water inlet pipe, the bottom of the dust settling tank is connected with a tank cover through a flange, and a water outlet pipe is arranged at the bottom axis of the tank cover; the top of the dust settling tank is connected with an air outlet pipe; when the dust settling tank is used, water is sprayed outwards through the water distribution disc, and after the water is sprayed, a large amount of water mist can be generated after the water impacts the inner wall of the dust settling tank; the air entering the dust settling tank upwards passes through a gap between the water distribution disc and the dust settling tank and can be fully contacted with water mist, so that the weight of particles contained in the air is increased after the particles are contacted with water, and then the particles are settled to filter dust; the filtered dust is contained in water and then directly discharged downwards after passing through a water outlet pipe, so that the dust is prevented from being accumulated in a dust settling tank;
the connecting pipe is connected with the first connecting pipe through a flange;
a frame plate is welded outside the water tank, a high-pressure water pump is connected to the frame plate through bolts, a water pumping pipe is connected between the high-pressure water pump and the water tank, the high-pressure water pump is provided with a water supply pipe, the water supply pipe is connected with a main water pipe, a water dividing pipe is connected between the main water pipe and each water inlet pipe, the water tank is connected with a water return pipe, and a first water dividing pipe is connected between the water return pipe and each water outlet pipe; when the water-saving device is used, water in the water tank is pumped by the high-pressure water pump, then the water is sprayed out after being pressurized in the water distribution disc, and the jet speed of water flow can be changed by adjusting the power of the high-pressure water pump; the return water pipe can be with the water reflux to the water tank that has absorbed the dust in, realize the used circulation of water.
Preferably, the tail end of the air outlet pipe is connected with a tail end filter; the main function of the end filter is to absorb the remaining fine dust and moisture.
Preferably, end filter includes a shell the axle center department of shell is provided with an pilot hole, be equipped with a gland in the shell, the left end integration of gland has a screen panel the outside cover of screen panel is equipped with the filter pulp, the left end of screen panel supports the interior terminal surface of shell, the screen panel with the coaxial setting of pilot hole the right-hand member threaded connection of shell has a cap the axle center department of cap is provided with a ventilation hole install the axial-flow fan of right side air-out earlier on in the ventilation hole the terminal surface of gland on, be located the outside annular of screen panel is provided with a plurality of through-holes. Meanwhile, air exhausted by the tail end filter can form wind on the ground, and the wind can blow dust on the lower layer to lift the dust; is convenient for the air inlet fan to extract the dust and then send the dust into the dust collection box
Preferably, an annular convex strip is arranged on the inner wall of the dust settling tank, the cross section of the convex strip is triangular, and the convex strip corresponds to the water diversion groove; the sand grip has two upper and lower inclined planes, and the spout rivers striking inclined plane in the follow shower hole forms upper and lower two-layer water smoke, and the air wants to go upward, need pass sand grip and water diversion disc, forces the air to enter into the ring channel, lets air and lower floor's water smoke and upper water smoke carry out secondary contact, increases the contact rate, increases dust removal effect.
Preferably, a V-shaped splitter plate is welded at the position of the inner top of the dust collection box, and the airflow which is conveyed upwards from the air inlet machine and contains dust is split to the connecting pipes at two sides after passing through the splitter plate; the flow distribution plate can make air move more smoothly.
Preferably, a shunting groove and a filtering groove are arranged in the water tank, water leakage holes are uniformly distributed at the bottom of the shunting groove, first water leakage holes are uniformly distributed at the bottom of the filtering groove, and water filtering cotton is laid in the filtering groove; the arrangement of the splitter box can realize the uniform splitting of water, and the water is filtered by the water filter cotton.
Preferably, the end of the first connecting pipe inserted into the dustfall tank is processed to form an inclined plane, and a water retaining ring is installed inside the first connecting pipe; the water retaining ring can prevent water from entering the first connecting pipe.
The product aims at the purification mode of dust in the air as follows:
firstly, an air inlet machine is started, dust suspended in a workshop is upwards extracted by the air inlet machine and then conveyed into a dust collection box, air carrying the dust is conveyed into a dust fall tank through connecting pipes on two sides, water in a water tank is extracted by a high-pressure water pump, the water is circumferentially and outwards sprayed through a water distribution disc, water mist is formed after the water mist impacts the inner wall of the dust fall tank, and the air upwards contacts the water mist after passing through the water distribution disc, so that the dust in the air is adsorbed. And dust fall is realized.
The invention has the beneficial effects that: this product is in practical application, through the hydrologic cycle that constitutes, can form endless rivers in the dust fall jar, the air is behind the dust fall jar, contact water smoke, particulate matter in can effectual seizure air through water smoke, and water is endless, consume very few, terminal filter in this product is responsible for last filtration process, and form the negative pressure in the top of dust fall jar, the outside discharge of help air, the filter pulp in the terminal filter is because the dust volume of passing through is less, therefore life is lasting. The structure of this product is comparatively simple, and the cost is comparatively cheap, is fit for using widely.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the dust bin;
FIG. 3 is a cross-sectional view of the dustfall tank;
FIG. 4 is a partial enlarged view of the dustfall tank at A;
FIG. 5 is a partial cross-sectional view of the water tank at B;
fig. 6 is a cross-sectional view of the end filter.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
In the description of the present invention, it is to be understood that the terms "one end", "the other end", "outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.
Further, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "sleeved," "connected," "penetrating," "plugged," and the like are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1 to 6, the air filter device for high dust workshop comprises a dust collection box 1, a dust settling tank 2 and a water tank 3; the volume of the water tank 3 is 2000L;
the left side surface and the right side surface of the dust collection box 1 are both provided with connecting pipes 101, and the front end surface of the dust collection box 1 is provided with an open slot 102; a lockable box door 103 is hinged at the open slot 102, the bottom of the dust box 1 is provided with an opening, the opening is connected with a box cover 104 by bolts, the bottom of the box cover 104 is connected with an air inlet machine 105 by bolts, and a bracket 106 for connecting a roof is fixed on the top of the dust box 1 by screws; the box cover 104 can be integrally disassembled downwards, and the interior of the dust box can be cleaned after the box cover is disassembled; the box door 103 can be opened in a rotating way, so that the inside of the dust collection box 1 can be cleaned quickly after being opened in a rotating way
A first connecting pipe 201 is welded on the outer wall of the dust settling tank 2, a water diversion disc 202 is arranged inside the dust settling tank 2, the water diversion disc 202 is positioned above the first connecting pipe 201, an annular water diversion groove 203 is arranged on the outer wall of the water diversion disc 202, spraying holes 204 are uniformly distributed at the bottom of the water diversion groove 203, and water sprayed from the spraying holes 204 contacts the inner wall of the dust settling tank 2 and then collides to form water mist; the upper end of the water diversion disc 202 is connected with a water inlet pipe 205, the bottom of the dust settling tank 2 is connected with a tank cover 206 in a flange mode, and a water outlet pipe 207 is arranged at the axis of the bottom of the tank cover 206; the top of the dust settling tank 2 is connected with an air outlet pipe 208; when the dust settling tank is used, water is sprayed outwards through the water distribution disc 202, and after the water is sprayed, a large amount of water mist is generated after the water impacts the inner wall of the dust settling tank 2; the air entering the dust fall tank upwards passes through a gap between the water distribution disc 202 and the dust fall tank 2 and is fully contacted with water mist, so that the weight of particles contained in the air is increased after the particles are contacted with water, and then the particles are settled to filter dust; the filtered dust is contained in water and then directly discharged downwards through a water outlet pipe 207, so that the dust is prevented from being accumulated in the dust settling tank 2;
the connecting pipe 101 and the first connecting pipe 201 are connected through a flange;
a frame plate 301 is welded outside the water tank 3, a high-pressure water pump 302 is connected to the frame plate 301 through bolts, a water pumping pipe 311 is connected between the high-pressure water pump 302 and the water tank 3, the high-pressure water pump 302 is provided with a water feeding pipe 312, the water feeding pipe 312 is connected with a main water pipe 313, a water dividing pipe 314 is connected between the main water pipe 313 and each water inlet pipe 205, the water tank 3 is connected with a water returning pipe, and a first water dividing pipe 316 is connected between the water returning pipe and each water outlet pipe 207; when the water-saving water dispenser is used, water in the water tank 3 is pumped by the high-pressure water pump, then the water is sprayed out after being pressurized in the water distribution disc, and the jet speed of water flow can be changed by adjusting the power of the high-pressure water pump 302; the return water pipe can be with in the water return of having absorbed the water reflux of dust to water tank 3, realizes the recycling of water.
In a preferred embodiment of the present invention, the end of the air outlet pipe 208 is connected to an end filter 4; the main function of the end filter 4 is to absorb the remaining fine dust and moisture.
In a preferred embodiment of the present invention, the end filter includes a housing 401, an assembly hole 402 is formed at an axial center of the housing 401, a pressing cover 403 is assembled in the housing 401, a mesh enclosure 404 is integrated at a left end of the pressing cover 403, filter cotton 405 is sleeved outside the mesh enclosure 404, a left end of the mesh enclosure 404 abuts against an inner end surface of the housing 401, the mesh enclosure 404 and the assembly hole 402 are coaxially arranged, a housing cover 406 is screwed to a right end of the housing 401, a ventilation hole 407 is formed at the axial center of the housing cover 406, an axial flow fan 408 that blows air to the right side is installed in the ventilation hole 407, and a plurality of through holes 409 are annularly formed on an end surface of the pressing cover 403 and located outside the mesh enclosure 404. Meanwhile, air discharged by the end filter 4 can form wind on the ground, and the wind can blow dust on the lower layer to lift the dust; the dust is conveniently extracted by the air inlet machine and then sent into the dust collection box.
In a preferred embodiment of the present invention, an annular protruding strip 221 is disposed on an inner wall of the dustfall tank 2, a cross section of the protruding strip 221 is triangular, and the protruding strip 221 corresponds to the water diversion groove 203; the convex strip 221 is provided with an upper inclined surface and a lower inclined surface, water flow sprayed out of the spray holes collides with the inclined surfaces to form upper and lower layers of water mist, air is required to go upwards and to pass through the convex strip 221 and the water distribution disc, the air is forced to enter the annular groove, the air is in secondary contact with the lower layer water mist and the upper layer water mist, the contact rate is increased, and the dust removal effect is increased.
In a preferred embodiment of the present invention, a V-shaped splitter plate 121 is welded at the inner top of the dust box 1, and the airflow containing dust and delivered upwards from the air inlet fan 105 passes through the splitter plate 121 and then is split to the connecting pipes 101 at both sides; the splitter plate 121 may allow the air to move more smoothly.
In a preferred embodiment of the present invention, a diversion tank 331 and a filtering tank 332 are disposed in the water tank 3, water leakage holes 333 are uniformly distributed at the bottom of the diversion tank 331, first water leakage holes 334 are uniformly distributed at the bottom of the filtering tank 332, and water filtering cotton 335 is laid in the filtering tank 332; the diversion channel 331 is arranged to realize uniform diversion of water, and then the water is filtered by the water filter cotton 335.
In a preferred embodiment of the present invention, the end of the first connection pipe 201 inserted into the dustfall tank 2 is processed to form an inclined surface 232, and a water retaining ring 242 is installed inside the first connection pipe 201; the water stop ring 242 prevents water from entering into the first connection pipe 201.
The product aims at the purification mode of dust in the air as follows:
firstly, the air inlet machine 105 is started, dust suspended in a workshop is upwards extracted by the air inlet machine 105 and then conveyed into the dust collection box, air carrying the dust is sent into the dust settling tank 2 through the connecting pipes 101 on two sides, water in the water tank 3 is extracted through the high-pressure water pump 302, water high pressure is circumferentially and outwards sprayed out through the water distribution disc 202, water mist is formed by impacting the inner wall of the dust settling tank 2, and the air upwards passes through the water distribution disc and then contacts with the water mist, so that dust in the air is adsorbed. And dust fall is realized.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a high dust workshop air filter equipment which characterized in that: comprises a dust collection box (1), a dust settling tank (2) and a water tank (3);
the left side surface and the right side surface of the dust collection box (1) are respectively provided with a connecting pipe (101), and the front end surface of the dust collection box (1) is provided with an open slot (102); a lockable box door (103) is hinged at the open slot (102), the bottom of the dust collection box (1) is provided with an opening, the opening is connected with a box cover (104) through a bolt, the bottom of the box cover (104) is connected with an air inlet machine (105) through a bolt, and a support (106) for connecting a roof is fixed on the top of the dust collection box (1) through a screw;
a first connecting pipe (201) is welded on the outer wall of the dust settling tank (2), a water diversion disc (202) is arranged inside the dust settling tank (2), the water diversion disc (202) is positioned above the first connecting pipe (201), an annular water diversion groove (203) is arranged on the outer wall of the water diversion disc (202), spraying holes (204) are uniformly distributed at the bottom of the water diversion groove (203), and water sprayed out of the spraying holes (204) contacts the inner wall of the dust settling tank (2) and then collides to form water mist; the upper end of the water distribution disc (202) is connected with a water inlet pipe (205), the bottom of the dust settling tank (2) is connected with a tank cover (206) in a flange mode, and a water outlet pipe (207) is arranged at the axis of the bottom of the tank cover (206); the top of the dust settling tank (2) is connected with an air outlet pipe (208);
the connecting pipe (101) is connected with the first connecting pipe (201) through a flange;
a frame plate (301) is welded outside the water tank (3), a high-pressure water pump (302) is connected to the frame plate (301) through bolts, a water pumping pipe (311) is connected between the high-pressure water pump (302) and the water tank (3), the high-pressure water pump (302) is provided with a water feeding pipe (312), the water feeding pipe (312) is connected with a main water pipe (313), a water dividing pipe (314) is connected between the main water pipe (313) and each water inlet pipe (205), the water tank (3) is connected with a water returning pipe, and a first water dividing pipe (316) is connected between the water returning pipe and each water outlet pipe (207);
an annular convex strip (221) is arranged on the inner wall of the dust settling tank (2), the cross section of the convex strip (221) is triangular, and the convex strip (221) corresponds to the water diversion groove (203); the raised line has two inclined planes, and the water flow sprayed from the spraying holes hits the inclined planes to form two layers of water mist.
2. The high dust plant air filtration unit of claim 1, wherein: the tail end of the air outlet pipe (208) is connected with a tail end filter (4).
3. The high dust plant air filtration unit of claim 2, wherein: the end filter (4) comprises a shell (401), a mounting hole (402) is arranged at the axial center of the shell (401), a gland (403) is assembled in the shell (401), a mesh enclosure (404) is integrated at the left end of the gland (403), the filter cotton (405) is sleeved outside the mesh enclosure (404), the left end of the mesh enclosure (404) props against the inner end face of the shell (401), the mesh enclosure (404) and the assembling hole (402) are coaxially arranged, a shell cover (406) is connected with the right end of the shell (401) in a threaded manner, a vent hole (407) is arranged at the axis of the shell cover (406), an axial flow fan (408) which blows air to the right side is arranged in the ventilation hole (407), and a plurality of through holes (409) are annularly formed in the end face of the gland (403) and positioned on the outer side of the mesh enclosure (404).
4. The high dust plant air filtration unit of claim 1, wherein: a V-shaped splitter plate (121) is welded at the inner top of the dust collection box (1), and airflow which is conveyed upwards from the air inlet fan (105) and contains dust passes through the splitter plate (121) and then is split to the connecting pipes (101) at two sides.
5. The high dust plant air filtration unit of claim 1, wherein: be provided with splitter box (331) and filter tank (332) in water tank (3) the tank bottom equipartition of splitter box (331) has hole (333) that leaks, the tank bottom equipartition of filter tank (332) has first hole (334) that leaks water filter pulp (335) have been laid in filter tank (332).
6. The high dust plant air filtration unit of claim 1, wherein: the end, inserted into the dust settling tank (2), of the first connecting pipe (201) is machined to form an inclined surface (232), and a water retaining ring (242) is installed inside the first connecting pipe (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010257157.8A CN111420503B (en) | 2020-04-03 | 2020-04-03 | High dust workshop air filter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010257157.8A CN111420503B (en) | 2020-04-03 | 2020-04-03 | High dust workshop air filter |
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| Publication Number | Publication Date |
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| CN111420503A CN111420503A (en) | 2020-07-17 |
| CN111420503B true CN111420503B (en) | 2021-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010257157.8A Active CN111420503B (en) | 2020-04-03 | 2020-04-03 | High dust workshop air filter |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112915694A (en) * | 2021-01-28 | 2021-06-08 | 南京培鹰课外教育培训中心有限公司 | Atmospheric pollution treatment instrument |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2224193A1 (en) * | 1973-04-05 | 1974-10-31 | Universal Oil Prod Co | |
| CN204865415U (en) * | 2015-08-05 | 2015-12-16 | 江苏金汇自动化技术有限公司 | Dust removal mechanism is used in efficient weaving |
| CN206613310U (en) * | 2017-03-25 | 2017-11-07 | 洛阳华陵镁业有限公司 | Dust cancellation element is used in a kind of magnesium alloy processing |
| CN207478187U (en) * | 2017-10-27 | 2018-06-12 | 厦门市竞成印刷有限公司 | Machine room's exhaust treatment system |
| CN209985185U (en) * | 2019-03-12 | 2020-01-24 | 浙江吉盛化学建材有限公司 | Alkaline washing tower |
-
2020
- 2020-04-03 CN CN202010257157.8A patent/CN111420503B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2224193A1 (en) * | 1973-04-05 | 1974-10-31 | Universal Oil Prod Co | |
| CN204865415U (en) * | 2015-08-05 | 2015-12-16 | 江苏金汇自动化技术有限公司 | Dust removal mechanism is used in efficient weaving |
| CN206613310U (en) * | 2017-03-25 | 2017-11-07 | 洛阳华陵镁业有限公司 | Dust cancellation element is used in a kind of magnesium alloy processing |
| CN207478187U (en) * | 2017-10-27 | 2018-06-12 | 厦门市竞成印刷有限公司 | Machine room's exhaust treatment system |
| CN209985185U (en) * | 2019-03-12 | 2020-01-24 | 浙江吉盛化学建材有限公司 | Alkaline washing tower |
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