CN114225600A - Dust suppression device in decoration construction process - Google Patents
Dust suppression device in decoration construction process Download PDFInfo
- Publication number
- CN114225600A CN114225600A CN202111617858.9A CN202111617858A CN114225600A CN 114225600 A CN114225600 A CN 114225600A CN 202111617858 A CN202111617858 A CN 202111617858A CN 114225600 A CN114225600 A CN 114225600A
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- Prior art keywords
- dust suppression
- cylinder
- water
- filter screen
- fixedly connected
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- 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.)
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- 239000000428 dust Substances 0.000 title claims abstract description 86
- 230000001629 suppression Effects 0.000 title claims abstract description 59
- 238000005034 decoration Methods 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000010276 construction Methods 0.000 title claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 67
- 238000009434 installation Methods 0.000 claims abstract description 13
- 238000007790 scraping Methods 0.000 claims abstract description 9
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 9
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 9
- 241001330002 Bambuseae Species 0.000 claims description 9
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 9
- 239000011425 bamboo Substances 0.000 claims description 9
- 239000003638 chemical reducing agent Substances 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 6
- 239000007921 spray Substances 0.000 abstract description 9
- 230000000717 retained effect Effects 0.000 abstract description 3
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000000452 restraining effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000009323 psychological health Effects 0.000 description 1
- 239000013049 sediment 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
- B01D47/06—Spray cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
- B01D29/58—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
- B01D29/6407—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes
- B01D29/6415—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes with a rotary movement with respect to the filtering element
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Of Particles Using Liquids (AREA)
Abstract
The invention relates to the technical field of dust suppression devices, in particular to a dust suppression device in a decoration construction process, wherein a water storage space is formed above a water baffle plate by matching the water baffle plate with a dust suppression cylinder and an installation cylinder, a motor drives an exhaust fan to rotate and sucks raised dust into the dust suppression cylinder from a dust suction port, the raised dust entering the dust suppression cylinder is sprayed by water sprayed by a spray head and falls onto a secondary filter screen, water and mud are separated under the action of the secondary filter screen and a mud scraping device, water entering the bottom of the dust suppression cylinder is retained into an overflow cylinder from a guide pipe under the action of a water pump, a certain amount of silt is inevitable in the water, but under the blocking of a buffer ball, most of the silt is precipitated in the overflow cylinder, a small amount of the silt is mixed in the water and retained into a primary filter screen through the overflow port, the primary filter screen filters the silt again, then clean water enters a water storage tank to be continuously used, water circulation is formed, and the spray head is prevented from being blocked, the problem of the influence of no water of fitment department presses down dirt is solved.
Description
Technical Field
The invention relates to the technical field of dust suppression devices, in particular to a dust suppression device in a decoration construction process.
Background
When house decoration is carried out, because the room is just handed over to the blank room and a large amount of dusts are accumulated in the room, in addition often need carry out the mixture of materials such as cement when the decoration, can lead to appearing great raise dust phenomenon, cause harmful effects to the staff. At present, dust suppression is carried out through water mist in a common dust suppression mode, however, during decoration, few workers actively take dust suppression measures, and long-time work in a dust raising environment is extremely easy to cause harm to physical and psychological health. And some buildings are inevitably not normally used by water and electricity during decoration, and workers cannot even suppress dust by sprinkling water when the buildings are not watered. Therefore, a dust suppression device is needed to ensure the normal construction, reduce the harm of dust to workers and ensure the normal use of the decoration place when the decoration place is empty of water.
Disclosure of Invention
Aiming at the situation and overcoming the defects of the prior art, the invention provides a dust suppression device in the decoration construction process, which comprises a dust suppression cylinder and is characterized in that a plurality of dust absorption ports in an annular array are uniformly distributed on the outer edge surface of the dust suppression cylinder, an annular water baffle is coaxially and fixedly connected in the dust suppression cylinder, the lower end of the water baffle is communicated with a plurality of nozzles in an annular array, an installation cylinder is coaxially and fixedly connected with the water baffle, an exhaust fan is coaxially and rotatably connected in the installation cylinder, a motor for driving a rotating shaft of the exhaust fan is installed on the installation cylinder, a primary filter screen positioned outside the installation cylinder is coaxially and detachably connected in the dust suppression cylinder, a conical secondary filter screen positioned below the dust absorption ports is coaxially and fixedly connected in the dust suppression cylinder, a mud scraping device driven by the rotating shaft of the exhaust fan is matched with the screen surface of the secondary filter screen, a mud discharging device is correspondingly arranged on the lower side of the secondary filter screen, and corresponding vertical grooves are formed in the outer side surface of the installation cylinder and the inner wall of the dust suppression cylinder, the two vertical grooves are vertically and slidably connected with an overflow cylinder positioned above the primary filter screen, a plurality of overflow holes are formed in the upper portion of the side surface of the overflow cylinder, a plurality of buffer balls are arranged in the overflow cylinder, the bottom of the dust suppression cylinder is communicated with a water pump, and the water pump is communicated with a guide pipe of which the outlet end corresponds to the overflow cylinder.
As preferred, the mud scraping device is including the branch of a plurality of equipartitions of fixedly connected with on the dirt restraining barrel inner wall, and is a plurality of the common fixedly connected with reduction gear of branch, the input shaft of reduction gear and the coaxial fixed connection of pivot of air exhauster, the output shaft of reduction gear with press down dirt a section of thick bamboo coaxial arrangement and equally spaced fixedly connected with a plurality of down tube parallel with the second grade filter screen generating line, all set up the spout of arranging along its length direction on each down tube, each down tube all rotates the reciprocating screw who is connected with rather than the parallel slider of the spout that corresponds, each reciprocating screw all threaded connection have rather than correspond the slider that sideslips groove sliding connection, each down tube equal fixedly connected with of lower extreme arrange along its length direction and with second grade filter screen net face complex long brush, each slider lower extreme equal fixedly connected with perpendicular long brush and with second grade filter screen net face complex short brush.
Preferably, the mud discharging device comprises a mud discharging port coaxially formed in the lower end of the second-stage filter screen, a mud leaking hopper fixedly connected to the bottom of the dust suppression cylinder and corresponding to the mud discharging port is fixedly connected to the bottom of the dust suppression cylinder, and an outlet at the lower end of the mud leaking hopper extends out of the dust suppression cylinder.
Preferably, a plurality of supporting legs are uniformly distributed at the bottom of the dust suppression cylinder, the lower ends of the supporting legs are fixedly connected with a bottom plate together, and a mud bucket corresponding to the outlet end of the mud leaking hopper is placed on the bottom plate.
Preferably, the lower end of the bottom plate is fixedly connected with a plurality of travelling wheels for supporting the bottom plate to move.
Preferably, a plurality of clamps for fixing the guide pipe are fixedly connected to the outer wall of the dust suppression cylinder.
Preferably, the filtering holes of the primary filtering net are smaller than the filtering holes of the secondary filtering net.
The invention has the beneficial effects that:
the water baffle is matched with the dust suppression cylinder and the installation cylinder to form a water storage space above the water baffle, a certain amount of water is stored in the water storage space, the spray head and the motor are started when the raised dust is generated, the motor drives the exhaust fan to rotate and sucks the raised dust into the dust suppression cylinder from the dust suction port, the raised dust entering the dust suppression cylinder falls onto the secondary filter screen after being sprayed by water sprayed by the spray head, the water flows into the bottom of the dust suppression cylinder under the action of the secondary filter screen and the mud scraping device, mud formed after the raised dust is sprayed enters the mud bucket through the mud discharge port, the water entering the bottom of the dust suppression cylinder is reserved into the overflow cylinder from the guide pipe under the action of the water pump, a certain amount of mud is inevitably reserved in the part of water, but most of the mud is settled in the overflow cylinder under the blocking of the buffer ball, a small amount of the mud is mixed in the water and is reserved into the primary filter screen through the overflow port, the primary filter screen filters the mud again, and then clean water enters the water storage tank for continuous use, form hydrologic cycle, when avoiding the shower nozzle to block up, solved the problem that the decoration department does not have water influence and presses down dirt.
Drawings
FIG. 1 is a perspective cross-sectional view from a first perspective of the present invention.
Fig. 2 is an enlarged view of the area a in a first perspective, cross-sectional view of the present invention.
Fig. 3 is a perspective cross-sectional view from a second perspective of the present invention.
FIG. 4 is a perspective view of a third perspective view of the present invention.
FIG. 5 is an enlarged view of area B from a third perspective view of the present invention.
Fig. 6 is a partial cross-sectional view of the mud scraping apparatus of the present invention.
FIG. 7 is a fourth perspective view of the present invention.
Reference numerals
1. The dust suppression device comprises a dust suppression cylinder, 2 parts of a dust suction port, 3 parts of a water baffle, 4 parts of a spray head, 5 parts of an installation cylinder, 6 parts of an exhaust fan, 7 parts of a rotating shaft, 8 parts of a motor, 9 parts of a primary filter screen, 10 parts of a secondary filter screen, 11 parts of a vertical groove, 12 parts of an overflow cylinder, 13 parts of an overflow hole, 14 parts of a water pump, 15 parts of a guide pipe, 16 parts of a support rod, 17 parts of a speed reducer, 18 parts of an inclined rod, 19 parts of a sliding groove, 20 parts of a reciprocating screw rod, 21 parts of a sliding block, 22 parts of a long brush, 23 parts of a short brush, 24 parts of a gear, 25 parts of a gear ring, 26 parts of a mud discharge port, 27 parts of a mud leakage hopper, 28 parts of support legs, 29 parts of a bottom plate, 30 parts of a mud bucket, 31 parts of a travelling wheel, 32 parts of a hoop, 33 parts of an input shaft, 34 parts of an output shaft and 35 parts of a water storage space.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings 1 to 7.
When fitment, because the fitment environment and the reason that need building materials such as mixed cement, the phenomenon of raise dust appears in the inevitable, the raise dust can be alleviated in the watering, but the effect is not obvious when the watering is less, and the watering probably causes the fitment environment more dirty and messy again when being many to the water condition receives the influence very likely in the fitment environment, and unable watering presses down the dirt, is equipped with the dust suppression device of this fitment in-process for the situation so above avoiding.
The water baffle 3 that is equipped with cooperates with a dust suppression cylinder 1 and a mounting cylinder 5 to make the water storage space 35 formed above the water baffle 3, and in order to avoid the influence of no water and suppress dust, a certain amount of water need be stored in the water storage space 35, and this part of water can be recycled and the dust suppression work is carried out continuously. When dust suppression is needed, the motor 8, the spray head 4 and the water pump 14 are turned on, the motor 8 drives the exhaust fan 6 to rotate through the rotating shaft 7 of the exhaust fan 6, raised dust is sucked into the dust suppression cylinder 1 from the dust suction port 2, and meanwhile, the spray head 4 communicated with the water storage space 35 through the baffle plate sprays sprayed water mist on the raised dust entering the dust suppression cylinder 1, so that the raised dust and water are mixed to form muddy water which falls onto the net surface of the secondary filter screen 10. The second grade filter screen 10 is the toper setting, and when muddy water passed through second grade filter screen 10, most water mixed some superfine silt directly dropped to dirt restraining barrel 1 bottom through the wire side of second grade filter screen 10, and a large amount of silt then received the arrest of second grade filter screen 10 and stayed on the wire side.
Fall down and press down a dirt 1 bottom and thoughtlessly have the water of superfine silt under the effect of water pump 14, can enter into through pipe 15 and export an overflow section of thick bamboo 12 relative with pipe 15, the water that enters into an overflow section of thick bamboo 12 through pipe 15 is difficult to avoid also can thoughtlessly have silt, for avoiding this part silt finally can block up shower nozzle 4, so be equipped with a plurality of buffer balls at an overflow section of thick bamboo 12, the buffer ball makes for the spheroid to have the clearance between the buffer ball, the silt that flows into in an overflow section of thick bamboo 12 fills the siltation under the buffer ball hinders between the buffer ball, make only water flow to one-level filter screen 9 through the overflow mouth on an overflow section of thick bamboo 12 on. The one-level filter screen 9 is a safety screen, and the phenomenon that a small amount of silt enters the water storage space 35 through the overflow port along with water to cause the blockage of the spray head 4 is avoided. The water of retaining space 35 gets back to retaining space 35 again via second grade filter screen 10 and one-level filter screen 9, and the filtration pore of one-level filter screen 9 is less than the filtration pore of second grade filter screen 10, and the hindrance effect silt of buffer ball is handled totally basically in the cooperation overflow section of thick bamboo 12, can not cause shower nozzle 4 to block up. Furthermore, the overflow cylinder 12 can be conveniently detached and installed by sliding fit with the chute 19, so that sediment deposited in the overflow cylinder can be conveniently cleaned subsequently.
As for the silt retained on the net surface by the secondary filter screen 10, the silt will be discharged to the outside of the dust suppression cylinder 1 through the mud discharging port 26 and the mud leaking hopper 27 under the action of the mud scraping device, and in order to avoid mess, the bottom plate 29 is further provided with a mud bucket 30 for receiving the silt. The mud scraping device is driven by a rotating shaft 7 of an exhaust fan 6, so that the effect of sucking raised dust by the exhaust fan 6 is obvious, the rotation degree of the exhaust fan 6 is high, the speed needs to be reduced through a speed reducer 17 on a support rod 16, an input shaft 33 of the speed reducer 17 is connected with the rotating shaft 7 of the exhaust fan 6, power is output to an inclined rod 18 through an output shaft 34 of the speed reducer 17, the inclined rod 18 rotates along with the output shaft 34, the inclined rod 18 also rotates together, and meanwhile, a gear 24 meshed with a gear ring 25 rolls along the gear ring 25 and drives a reciprocating screw 20 to rotate and a sliding block 21 to reciprocate along a sliding groove 19. In the process that the inclined rod 18 rotates along with the output shaft 34, the long brush 22 brushes the silt on the net surface of the secondary filter screen 10, meanwhile, the short brush 23 on the sliding block 21 brushes the net surface of the secondary filter screen 10 in a reciprocating manner, and the long brush 22, in cooperation with the short brush 23 and the water, discharges the silt on the secondary filter screen 10 into the silt leaking hopper 27 through the silt discharge port 26 and finally into the mud bucket 30. The clamp 32 is arranged for fixing the guide pipe 15, and the walking wheels 31 are arranged on the bottom plate 29 for facilitating the movement of the invention.
Claims (7)
1. A dust suppression device in the decoration construction process comprises a dust suppression cylinder (1) and is characterized in that a plurality of dust suction ports (2) in an annular array are uniformly distributed on the outer edge surface of the dust suppression cylinder (1), an annular water baffle (3) is coaxially and fixedly connected in the dust suppression cylinder (1), a plurality of nozzles (4) in the annular array are communicated with the lower end of the water baffle (3), an installation cylinder (5) is coaxially and fixedly connected with the water baffle (3), an exhaust fan (6) is coaxially and rotatably connected in the installation cylinder (5), a motor (8) for driving a rotating shaft (7) of the exhaust fan (6) is installed on the installation cylinder (5), a primary filter screen (9) positioned on the outer side of the installation cylinder (5) is coaxially and detachably connected in the dust suppression cylinder (1), a conical secondary filter screen (10) positioned below the dust suction ports (2) is coaxially and fixedly connected in the dust suppression cylinder (1), and a mud scraping device driven by the rotating shaft (7) of the exhaust fan (6) is matched with the screen surface of the secondary filter screen (10), the mud discharging device is correspondingly arranged on the lower side of the secondary filter screen (10), corresponding vertical grooves (11) are formed in the outer side surface of the installation cylinder (5) and the inner wall of the dust suppression cylinder (1), two vertical sliding connection parts are provided with overflow cylinders (12) located above the primary filter screen (9), a plurality of overflow holes (13) are formed in the upper portion of the side surface of each overflow cylinder (12), a plurality of buffer balls are arranged in each overflow cylinder (12), the bottom of the dust suppression cylinder (1) is communicated with a water pump (14), and the water pump (14) is communicated with a guide pipe (15) corresponding to the outlet end and the overflow cylinder (12).
2. The dust suppression device in the decoration construction process according to claim 1, wherein the mud scraping device comprises a plurality of uniformly distributed support rods (16) fixedly connected to the inner wall of the dust suppression cylinder (1), a plurality of support rods (16) are fixedly connected with a speed reducer (17) together, an input shaft (33) of the speed reducer (17) is coaxially and fixedly connected with a rotating shaft (7) of the exhaust fan (6), an output shaft (34) of the speed reducer (17) is coaxially arranged with the dust suppression cylinder (1) and is fixedly connected with a plurality of inclined rods (18) parallel to a bus of the secondary filter screen (10) at equal intervals, each inclined rod (18) is provided with a sliding groove (19) arranged along the length direction thereof, each inclined rod (18) is rotatably connected with a reciprocating screw rod (20) parallel to the sliding groove (21) on the corresponding side thereof, each reciprocating screw rod (20) is in threaded connection with a sliding block (21) slidably connected with the sliding groove (19) on the corresponding side thereof, the equal fixedly connected with of each down tube (18) lower extreme arranges and with second grade filter screen (10) wire side complex long brush (22) along its length direction, the equal fixedly connected with of each slider (21) lower extreme perpendicular long brush (22) and with second grade filter screen (10) wire side complex short brush (23), each reciprocal screw rod (20) is kept away from and is restrained equal fixedly connected with gear (24) of dirt section of thick bamboo (1) axis one end, the coaxial fixedly connected with of dirt section of thick bamboo (1) inner wall and gear ring (25) of each gear (24) meshing.
3. The dust suppression device in the decoration construction process according to claim 1, wherein the mud discharge device comprises a second-stage filter screen (10) and a mud discharge port (26) coaxially formed at the lower end of the second-stage filter screen, a mud leakage hopper (27) corresponding to the mud discharge port (26) is fixedly connected to the bottom of the dust suppression cylinder (1), and an outlet at the lower end of the mud leakage hopper (27) extends out of the dust suppression cylinder (1).
4. The dust suppression device in the decoration and construction process according to claim 1, wherein a plurality of support legs (28) are uniformly distributed at the bottom of the dust suppression cylinder (1), the lower ends of the plurality of support legs (28) are fixedly connected with a bottom plate (29) together, and a mud bucket (30) corresponding to the outlet end of the mud leakage hopper (27) is placed on the bottom plate (29).
5. A dust suppressing device for decoration and construction according to claim 1, wherein a plurality of traveling wheels (31) for supporting the bottom plate (29) to move are fixedly connected to the lower end of the bottom plate (29).
6. A dust suppression device in a decoration process according to claim 1, wherein a plurality of clamps (32) for fixing the guide pipe (15) are fixedly connected to the outer wall of the dust suppression cylinder (1).
7. A dust suppressing device in a finishing work process according to claim 1, wherein the primary filter (9) has smaller filtering holes than the secondary filter (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111617858.9A CN114225600A (en) | 2021-12-28 | 2021-12-28 | Dust suppression device in decoration construction process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111617858.9A CN114225600A (en) | 2021-12-28 | 2021-12-28 | Dust suppression device in decoration construction process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114225600A true CN114225600A (en) | 2022-03-25 |
Family
ID=80763635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111617858.9A Pending CN114225600A (en) | 2021-12-28 | 2021-12-28 | Dust suppression device in decoration construction process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114225600A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116983778A (en) * | 2023-08-18 | 2023-11-03 | 四川久源机械制造有限公司 | Tail gas treatment equipment and process for polycrystalline silicon production |
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| CN211514240U (en) * | 2019-12-30 | 2020-09-18 | 苏州丰倍生物科技有限公司 | Raw material mixing device for production of pesticide auxiliary agent |
| CN212881632U (en) * | 2020-08-07 | 2021-04-06 | 陈祥忠 | Wet dust collector is used in building engineering construction |
| CN112642189A (en) * | 2020-09-29 | 2021-04-13 | 安徽明洋电子有限公司 | Self-rotating flow anti-blocking stainless steel filter |
| CN113718713A (en) * | 2021-08-25 | 2021-11-30 | 中国环境科学研究院 | Urban and rural ground surface ditch reconstruction method with interception function and interception and purification assembly |
-
2021
- 2021-12-28 CN CN202111617858.9A patent/CN114225600A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109011755A (en) * | 2018-08-31 | 2018-12-18 | 广西那坡县翠株园林业科技有限公司 | A kind of tea oil filtering tank |
| CN109621507A (en) * | 2018-11-29 | 2019-04-16 | 安徽百盛源包装材料有限公司 | A kind of filter device of Cool-water Machine for Industry |
| CN211514240U (en) * | 2019-12-30 | 2020-09-18 | 苏州丰倍生物科技有限公司 | Raw material mixing device for production of pesticide auxiliary agent |
| CN212881632U (en) * | 2020-08-07 | 2021-04-06 | 陈祥忠 | Wet dust collector is used in building engineering construction |
| CN112642189A (en) * | 2020-09-29 | 2021-04-13 | 安徽明洋电子有限公司 | Self-rotating flow anti-blocking stainless steel filter |
| CN113718713A (en) * | 2021-08-25 | 2021-11-30 | 中国环境科学研究院 | Urban and rural ground surface ditch reconstruction method with interception function and interception and purification assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116983778A (en) * | 2023-08-18 | 2023-11-03 | 四川久源机械制造有限公司 | Tail gas treatment equipment and process for polycrystalline silicon production |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20220325 |