CN111495047A - Air purification device with good dust removal effect - Google Patents
Air purification device with good dust removal effect Download PDFInfo
- Publication number
- CN111495047A CN111495047A CN202010333049.4A CN202010333049A CN111495047A CN 111495047 A CN111495047 A CN 111495047A CN 202010333049 A CN202010333049 A CN 202010333049A CN 111495047 A CN111495047 A CN 111495047A
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- CN
- China
- Prior art keywords
- filter screen
- block
- motor
- rod
- purification
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Classifications
-
- 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
- B01D46/74—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element
- B01D46/76—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element involving vibrations
-
- 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
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention relates to an air purification device with good dust removal effect, which comprises a main body and a purification mechanism arranged in the main body, wherein the purification mechanism comprises a motor, a fixed plate and two purification components, each purification component comprises a filter screen, a vibration unit and a cleaning unit, each knocking unit comprises a cross rod, a magnet, an ejector pin, a fixed block, a limit block, a striker, a movable block and a second spring, the air purification device with good dust removal effect can drive the magnets by driving the iron blocks to rotate simultaneously through the motor, so that the filter screens can move up and down, meanwhile, the striker realizes micro-impact on the filter screens through the pushing of the magnets, the filter screens can generate micro-vibration per se while moving up and down, thus dust accumulated on the filter screens can be shaken off, the motor can also drive hairbrushes to rotate along the filter screens, and large-area cleaning of the surfaces of the filter screens is realized, compared with the existing purification mechanism, the linkage of a plurality of functional units is realized through the same driving source, the cleaning effect is good, and energy is saved.
Description
Technical Field
The invention particularly relates to an air purification device with good dust removal effect.
Background
Air purification device is generally the device that is arranged in clearing up the purification to harmful substance or granule in the air, and the device that adopts electrostatic precipitator's principle to realize air purification is also more mainstream, but this kind of device is used down for a long time, and the dust can cause to pile up on the filter screen, and among the prior art, also there is some mechanism to the dust clearance of filter screen, but owing to design comparatively simply, so the clearance effect is very unsatisfactory.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the air purification device with good dust removal effect is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: an air purification device with good dust removal effect comprises a main body and a purification mechanism arranged in the main body;
the purification mechanism comprises a motor, two fixed plates and two purification components, wherein the two fixed plates are respectively arranged at the upper side and the lower side in the main body;
the purification assembly comprises filter screens, a vibration unit and a cleaning unit, sliding grooves are formed in positions, corresponding to two ends of each filter screen, of the two fixing plates, two ends of each filter screen are respectively located in the sliding grooves of the two fixing plates, a first spring is arranged in each sliding groove, one end of each first spring is connected with one end of each filter screen, the other end of each first spring is connected with the bottom of each sliding groove, the filter screens of the two purification assemblies are parallel to each other, and each filter screen is a metal filter screen;
the cleaning unit comprises a brush and a dust collecting unit, a rotating shaft is mounted on the motor, the brush is fixed at one end of the rotating shaft, which is far away from the motor, the brush is attached to the filter screen, the dust collecting unit comprises a box body, a push rod, an impeller and a rotating rod, the rotating rod is positioned in the box body, the impeller is mounted on the rotating rod, the push rod is positioned above the impeller, one end of the push rod is connected with one end of the brush, which is far away from the rotating shaft, the other end of the push rod is abutted against the blades of the impeller, and the box body is positioned below the brush;
the vibration unit comprises an iron block and two knocking units, the iron block is fixed on the rotating shaft through a support rod, the two knocking units are respectively arranged on the upper side and the lower side of the rotating shaft, the iron block is located between the two knocking units, and the two knocking units are arranged oppositely;
the knocking unit comprises a cross rod, a magnet, an ejector pin, a fixed block, a limiting block, a collision rod, a moving block and a second spring, the cross rod is fixed on the filter screen, the ejector pin and the magnet are respectively arranged on two sides of the cross rod, the magnet is arranged opposite to the iron block, the fixed block and the limiting block are both fixed on the fixed plate, the distance between the fixed block and the filter screen is greater than that between the limiting block and the filter screen, the moving block is located between the fixed block and the limiting block, the collision rod penetrates through the limiting block, one end of the collision rod is connected with the moving block, the other end of the collision rod abuts against the filter screen, the second spring is sleeved on the collision rod, the second spring is located between the moving block and the limiting block, one end of the ejector pin is;
the cleaning unit and the vibration unit are respectively positioned at two sides of the filter screen.
In order to better move the filter screen, the acting force between the two magnets of the same vibration unit is far smaller than the acting force between the iron block and the magnets.
In order to prevent the striker from rigidly contacting the filter screen, one end of the striker, which is close to the filter screen, is provided with a rubber ball, and the rubber ball is abutted against the filter screen.
In order to enable the ejector pins to push the moving block better, chamfers are arranged at one corners, close to the ejector pins, of the fixed block and the moving block.
In order to increase the torque, the motor is a low speed motor.
In order to make the thimble push the moving block more easily, the second spring is in a stretching state
For better impeller propulsion, the pushrod is L shaped.
In order to fix the motor, the motor is fixed on the fixing plate through a fixing rod.
For better cleaning, the brush is a scrubbing brush.
In order to better realize the movement of the filter screen, the acting force between the two magnets of the same vibration unit is repulsive force.
The air purification device with good dust removal effect has the advantages that the motor can simultaneously drive the iron blocks to rotate so as to drive the magnets, so that the filter screen can move up and down, the impact rods can realize micro impact on the filter screen by pushing the magnets, the filter screen can generate micro vibration when moving up and down, and dust accumulated on the filter screen can be shaken off.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural diagram of an air cleaning device with good dust removal effect according to the present invention;
FIG. 2 is a schematic structural diagram of a vibration unit of the air purification apparatus with good dust removal effect according to the present invention;
FIG. 3 is a schematic structural diagram of an integrated unit of the air purification apparatus with good dust removal effect according to the present invention;
FIG. 4 is a schematic view of the connection structure of the impeller and the push rod of the air purification device with good dust removal effect of the present invention;
FIG. 5 is a schematic structural diagram of a filter screen of the air purification device with good dust removal effect according to the present invention;
in the figure: 1. the novel centrifugal filter comprises a main body, a motor, a fixing plate, a filter screen, a first spring, a brush, a rotating shaft, a box body, a push rod, a blade wheel, a rotating rod, an iron block, a cross rod, a magnet, a thimble, a fixing block, a limiting block, a striker, a moving block, a second spring, a rubber ball and a fixing rod, wherein the motor is 2, the fixing plate is 3, the filter screen is 4, the first spring is 5, the brush is 6, the rotating shaft is 7, the box body is 8, the push rod is 9, the impeller is 10, the.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1-5, an air cleaning device with good dust removing effect comprises a main body 1 and a cleaning mechanism arranged in the main body 1;
the purification mechanism comprises a motor 2, two fixing plates 3 and two purification components, wherein the two fixing plates 3 are arranged on the upper side and the lower side of the interior of the main body 1 respectively, the motor 2 is a bidirectional motor, the motor 2 is positioned between the two fixing plates 3, the two purification components are arranged between the two fixing plates 3 respectively, and the two purification components are arranged on the two sides of the motor 2 respectively;
the purification assembly comprises a filter screen 4, a vibration unit and a cleaning unit, sliding grooves are formed in positions, corresponding to two ends of the filter screen 4, of the two fixing plates 3, two ends of the filter screen 4 are respectively located in the sliding grooves of the two fixing plates 3, a first spring 5 is arranged in each sliding groove, one end of each first spring 5 is connected with one end of the filter screen 4, the other end of each first spring 5 is connected with the bottom of each sliding groove, the filter screens 4 of the two purification assemblies are parallel to each other, and the filter screens 4 are metal filter screens;
the cleaning unit comprises a brush 6 and a dust collecting unit, a rotating shaft 7 is installed on the motor 2, the brush 6 is fixed at one end, far away from the motor 2, of the rotating shaft 7, the brush 6 is attached to the filter screen 4, the dust collecting unit comprises a box body 8, a push rod 9, an impeller 10 and a rotating rod 11, the rotating rod 11 is located in the box body 8, the impeller 10 is installed on the rotating rod 11, the push rod 9 is located above the impeller 10, one end of the push rod 9 is connected with one end, far away from the rotating shaft 7, of the brush 6, the other end of the push rod 9 is abutted against a blade of the impeller 10, and the box body 8 is located below the brush 6;
the vibration unit comprises an iron block 12 and two knocking units, the iron block 12 is fixed on the rotating shaft 7 through a support rod, the two knocking units are respectively arranged on the upper side and the lower side of the rotating shaft 7, the iron block 12 is located between the two knocking units, and the two knocking units are arranged oppositely;
the knocking unit comprises a cross bar 13, a magnet 14, a thimble 15, a fixed block 16, a limit block 17, a striking rod 18, a moving block 19 and a second spring 20, the cross bar 13 is fixed on the filter screen 4, the thimble 15 and the magnet 14 are respectively arranged at two sides of the cross bar 13, the magnet 14 is arranged opposite to the iron block 12, the fixed block 16 and the limited block 17 are both fixed on the fixed plate 16, the distance between the fixed block 16 and the filter screen 4 is greater than the distance between the limiting block and the filter screen 4, the moving block 19 is positioned between the fixed block 16 and the limiting block 17, the striking rod 18 passes through the limiting block 17, one end of the striking rod 18 is connected with the moving block 19, the other end of the striking rod 18 is abutted against the filter screen 4, the second spring 20 is sleeved on the striking rod 18, the second spring 20 is positioned between the moving block 19 and the limiting block 17, one end of the thimble 15 is connected with the cross bar 13, and the other end of the thimble 15 is positioned between the fixed block 16 and the moving block 19;
the cleaning unit and the vibration unit are respectively positioned at two sides of the filter screen 4.
In order to better move the sieve 4, the force between the two magnets 14 of the same vibrating unit is much smaller than the force between the iron block 12 and the magnets 14.
In order to prevent the striker 18 from coming into rigid contact with the screen 4, the striker 18 is provided with a rubber ball 21 at its end close to the screen 4, said rubber ball 21 abutting against the screen 4.
In order to enable the thimble 15 to better realize pushing on the moving block 19, corners of the fixed block 16 and the moving block 19 close to the thimble 15 are provided with chamfers.
In order to increase the torque, the motor 2 is a low speed motor.
In order to make the thimble 15 push the moving block 19 more easily, the second spring 20 is in a stretching state
For better propulsion of the impeller 10, the push rod 9 is L-shaped.
For fixing the motor 2, the motor 2 is fixed to the fixing plate 1 by a fixing rod 22.
For better cleaning, the brush 6 is a bristle brush.
In order to better realize the movement of the filter screen 4, the force between the two magnets 14 of the same vibrating unit is repulsive force.
When the filter screen 4 needs to be cleaned, firstly, the motor 2 is driven to work, the motor 2 drives the rotating shaft 7 to rotate, the rotating shaft 7 drives the brush 6 to rotate, the brush 6 rotates along the surface of the filter screen 4, large-area cleaning of the surface of the filter screen 4 is realized, one-stage cleaning of the filter screen 4 is realized, meanwhile, the rotating shaft 7 drives the iron block 12 to rotate, as the magnet 14 is arranged above the iron block 12, the cross rod 13 moves through the suction force of the magnet 14, the filter screen 4 moves through the driving force of the cross rod 13, the filter screen 4 can better move through the restoring force of the first spring 5, in the moving process, the filter screen 4 can generate certain micro-vibration, dust on the filter screen 4 is better separated from the filter screen 4, so that secondary cleaning of the filter screen 4 is realized, when the cross rod 13 moves downwards, the thimble 15 is driven to move downwards, so that the thimble 15 is abutted against, because the fixed block 16 is fixed, the moving block 19 drives the plunger 18 to move along the axis direction of the limit block 17, so that the plunger 18 drives the rubber ball 21 to collide with the filter screen 4, when the cross bar 13 moves upwards, the moving block 19 moves to the initial position through the restoring force of the second spring 20, and the rubber ball 21 is driven to collide with the filter screen 4 through the continuous up-and-down movement of the filter screen 4, so that the three-stage cleaning of the filter screen 4 is realized.
The dust cleaned here drops in the box 8, the brush 6 rotates to drive the push rod 9 to rotate, and the push rod 9 drives the impeller 10 to rotate on the rotating rod 11, so that the dust can be better mixed with the purifying liquid in the box 8, and the dust is prevented from being secondarily fused in the air to cause air pollution.
Compared with the prior art, this air purification device that dust removal effect is good can realize the drive to magnet 14 through the rotation of motor 2 simultaneous drive iron plate 12, thereby make filter screen 4 can reciprocate, simultaneously make lance 18 realize the little striking to filter screen 4 through the promotion of magnet 14, make filter screen 4 self produce the micro-vibration when reciprocating, just so can shake off the dust of piling up on it, and, motor 2 can also drive brush 6 and rotate pasting filter screen 4, realize the large tracts of land clearance to filter screen 4 surface, compare with current purification mechanism, its linkage that has realized a plurality of functional unit through same driving source, not only the clearance is effectual, and energy-conservation, and, the collection to the dust has been realized through the dust collecting unit.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. An air purification device with good dust removal effect is characterized by comprising a main body (1) and a purification mechanism arranged in the main body (1);
the purification mechanism comprises a motor (2), two fixing plates (3) and two purification assemblies, wherein the two fixing plates (3) are respectively arranged on the upper side and the lower side of the interior of the main body (1), the motor (2) is a bidirectional motor, the motor (2) is positioned between the two fixing plates (3), the two purification assemblies are respectively arranged between the two fixing plates (3), and the two purification assemblies are respectively arranged on the two sides of the motor (2);
the purification assembly comprises filter screens (4), a vibration unit and a cleaning unit, sliding grooves are formed in the positions, corresponding to the two ends of each filter screen (4), of the two fixing plates (3), the two ends of each filter screen (4) are respectively located in the sliding grooves of the two fixing plates (3), a first spring (5) is arranged in each sliding groove, one end of each first spring (5) is connected with one end of each filter screen (4), the other end of each first spring (5) is connected with the bottom of each sliding groove, the filter screens (4) of the two purification assemblies are parallel to each other, and each filter screen (4) is a metal filter screen;
the cleaning unit comprises a brush (6) and a dust collecting unit, a rotating shaft (7) is installed on the motor (2), the brush (6) is fixed at one end, far away from the motor (2), of the rotating shaft (7), the brush (6) is attached to a filter screen (4), the dust collecting unit comprises a box body (8), a push rod (9), an impeller (10) and a rotating rod (11), the rotating rod (11) is located in the box body (8), the impeller (10) is installed on the rotating rod (11), the push rod (9) is located above the impeller (10), one end of the push rod (9) is connected with one end, far away from the rotating shaft (7), of the brush (6) and the other end of the push rod (9) is abutted to blades of the impeller (10), and the box body (8) is located below the brush (6);
the vibration unit comprises an iron block (12) and knocking units, the iron block (12) is fixed on the rotating shaft (7) through a support rod, the two knocking units are respectively arranged on the upper side and the lower side of the rotating shaft (7), the iron block (12) is located between the two knocking units, and the two knocking units are arranged oppositely;
the knocking unit comprises a cross rod (13), a magnet (14), an ejector pin (15), a fixed block (16), a limiting block (17), a striking rod (18), a moving block (19) and a second spring (20), the cross rod (13) is fixed on the filter screen (4), the ejector pin (15) and the magnet (14) are respectively arranged on two sides of the cross rod (13), the magnet (14) and the iron block (12) are arranged in a right-to-right mode, the fixed block (16) and the limiting block (17) are both fixed on the fixed plate (16), the distance between the fixed block (16) and the filter screen (4) is larger than that between the limiting block and the filter screen (4), the moving block (19) is located between the fixed block (16) and the limiting block (17), the striking rod (18) penetrates through the limiting block (17), one end of the striking rod (18) is connected with the moving block (19), and the other end of the striking rod (18) abuts, the second spring (20) is sleeved on the striker rod (18), the second spring (20) is located between the moving block (19) and the limiting block (17), one end of the ejector pin (15) is connected with the cross rod (13), and the other end of the ejector pin (15) is located between the fixed block (16) and the moving block (19);
the cleaning unit and the vibration unit are respectively positioned at two sides of the filter screen (4).
2. The air cleaning device with good dust removal effect as claimed in claim 1, wherein the acting force between the two magnets (14) of the same vibration unit is much smaller than the acting force between the iron block (12) and the magnets (14).
3. The air purification device with good dust removal effect as claimed in claim 1, wherein a rubber ball (21) is arranged at one end of the striker (18) close to the filter screen (4), and the rubber ball (21) abuts against the filter screen (4).
4. The air purification device with good dust removal effect as claimed in claim 1, wherein a chamfer is arranged at one corner of the fixed block (16) and the moving block (19) close to the thimble (15).
5. The air cleaning apparatus with good dust removing effect according to claim 1, wherein the motor 2 is a low speed motor.
6. The air cleaning device with good dedusting effect as recited in claim 1, wherein the second spring (20) is in a stretched state.
7. The air cleaning device with good dedusting effect as recited in claim 1, wherein the push rod (9) is L-shaped.
8. The air cleaning apparatus with good dust removing effect as claimed in claim 1, wherein the motor (2) is fixed on the fixing plate 1 by a fixing rod (22).
9. The air cleaning apparatus with good dedusting effect as claimed in claim 1, wherein the brush (6) is a scrubbing brush.
10. The air cleaning apparatus with good dust removing effect as claimed in claim 1, wherein the acting force between two magnets (14) of the same vibration unit is repulsive force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010333049.4A CN111495047A (en) | 2020-04-24 | 2020-04-24 | Air purification device with good dust removal effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010333049.4A CN111495047A (en) | 2020-04-24 | 2020-04-24 | Air purification device with good dust removal effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111495047A true CN111495047A (en) | 2020-08-07 |
Family
ID=71866160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010333049.4A Withdrawn CN111495047A (en) | 2020-04-24 | 2020-04-24 | Air purification device with good dust removal effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111495047A (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112161368A (en) * | 2020-09-08 | 2021-01-01 | 刘培泉 | New fan of central authorities |
| CN112303782A (en) * | 2020-10-22 | 2021-02-02 | 韩阳 | Factory building ventilation mechanism that environmental protection was used |
| CN112388772A (en) * | 2020-11-09 | 2021-02-23 | 胡娜 | Traditional Chinese medicine airing and beard removing integrated device and using method thereof |
| CN112755711A (en) * | 2021-01-13 | 2021-05-07 | 代学华 | Air purification equipment |
| CN112870853A (en) * | 2021-01-12 | 2021-06-01 | 武汉市中卫寰宇医疗系统工程有限公司 | Chemical filter screen belt cleaning device for solid-liquid separation |
| CN112902610A (en) * | 2021-01-27 | 2021-06-04 | 广东汇群中药饮片股份有限公司 | Processing device for processing coptis chinensis decoction pieces and processing technology based on device |
| CN113209689A (en) * | 2021-06-17 | 2021-08-06 | 武汉市中卫寰宇医疗系统工程有限公司 | Energy-conserving efficient sanitation purifier |
| CN113230783A (en) * | 2021-06-10 | 2021-08-10 | 孙钢 | Intelligent environment-friendly waste gas filtering device |
| CN113230778A (en) * | 2021-03-28 | 2021-08-10 | 黄予鹏 | Waste gas purification equipment with filtering function for chemical industry machinery |
| CN113477015A (en) * | 2021-08-07 | 2021-10-08 | 赵孟侠 | Biomass energy combustion filtering device |
| CN113788463A (en) * | 2021-09-02 | 2021-12-14 | 郭华龙 | Molecular sieve nitrogen making machine |
| CN114259812A (en) * | 2021-12-28 | 2022-04-01 | 湖北工业大学 | Civil engineering is with environment-friendly formula dust suppression device that induced drafts |
| CN116274245A (en) * | 2023-04-13 | 2023-06-23 | 山东梁塑装饰材料添加剂有限公司 | Dust collector of big tolerance foaming agent |
-
2020
- 2020-04-24 CN CN202010333049.4A patent/CN111495047A/en not_active Withdrawn
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112161368A (en) * | 2020-09-08 | 2021-01-01 | 刘培泉 | New fan of central authorities |
| CN112303782A (en) * | 2020-10-22 | 2021-02-02 | 韩阳 | Factory building ventilation mechanism that environmental protection was used |
| CN112388772A (en) * | 2020-11-09 | 2021-02-23 | 胡娜 | Traditional Chinese medicine airing and beard removing integrated device and using method thereof |
| CN112870853A (en) * | 2021-01-12 | 2021-06-01 | 武汉市中卫寰宇医疗系统工程有限公司 | Chemical filter screen belt cleaning device for solid-liquid separation |
| CN112870853B (en) * | 2021-01-12 | 2022-06-14 | 衡阳金新莱孚新材料有限公司 | Chemical filter screen belt cleaning device for solid-liquid separation |
| CN112755711A (en) * | 2021-01-13 | 2021-05-07 | 代学华 | Air purification equipment |
| CN112755711B (en) * | 2021-01-13 | 2022-07-12 | 联合珐玛(昆山)洁净系统有限公司 | Air purification equipment |
| CN112902610B (en) * | 2021-01-27 | 2022-03-25 | 广东汇群中药饮片股份有限公司 | Processing device for processing coptis chinensis decoction pieces and processing technology based on device |
| CN112902610A (en) * | 2021-01-27 | 2021-06-04 | 广东汇群中药饮片股份有限公司 | Processing device for processing coptis chinensis decoction pieces and processing technology based on device |
| CN113230778A (en) * | 2021-03-28 | 2021-08-10 | 黄予鹏 | Waste gas purification equipment with filtering function for chemical industry machinery |
| CN113230783A (en) * | 2021-06-10 | 2021-08-10 | 孙钢 | Intelligent environment-friendly waste gas filtering device |
| CN113209689A (en) * | 2021-06-17 | 2021-08-06 | 武汉市中卫寰宇医疗系统工程有限公司 | Energy-conserving efficient sanitation purifier |
| CN113209689B (en) * | 2021-06-17 | 2023-11-03 | 江苏新喜程生物科技有限公司 | Energy-saving and efficient environmental sanitation water purifying device |
| CN113477015A (en) * | 2021-08-07 | 2021-10-08 | 赵孟侠 | Biomass energy combustion filtering device |
| CN113788463A (en) * | 2021-09-02 | 2021-12-14 | 郭华龙 | Molecular sieve nitrogen making machine |
| CN113788463B (en) * | 2021-09-02 | 2023-12-29 | 广西柳钢新锐气体有限公司 | Molecular sieve nitrogen making machine |
| CN114259812A (en) * | 2021-12-28 | 2022-04-01 | 湖北工业大学 | Civil engineering is with environment-friendly formula dust suppression device that induced drafts |
| CN116274245A (en) * | 2023-04-13 | 2023-06-23 | 山东梁塑装饰材料添加剂有限公司 | Dust collector of big tolerance foaming agent |
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Application publication date: 20200807 |