CN114749378A - Airflow grading system with raise dust recycling function - Google Patents

Airflow grading system with raise dust recycling function Download PDF

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Publication number
CN114749378A
CN114749378A CN202210269990.3A CN202210269990A CN114749378A CN 114749378 A CN114749378 A CN 114749378A CN 202210269990 A CN202210269990 A CN 202210269990A CN 114749378 A CN114749378 A CN 114749378A
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CN
China
Prior art keywords
dust
air
air inlet
filtering
communicated
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210269990.3A
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Chinese (zh)
Inventor
陈英哲
陈树畅
刘乾禹
刘再亮
刘灿鑫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Chaoyi Metal Industrial Co ltd
Original Assignee
Guangdong Chaoyi Metal Industrial Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangdong Chaoyi Metal Industrial Co ltd filed Critical Guangdong Chaoyi Metal Industrial Co ltd
Priority to CN202210269990.3A priority Critical patent/CN114749378A/en
Publication of CN114749378A publication Critical patent/CN114749378A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B9/00Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
    • B07B9/02Combinations of similar or different apparatus for separating solids from solids using gas currents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/02Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B15/00Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
    • B08B15/007Fume suction nozzles arranged on a closed or semi-closed surface, e.g. on a circular, ring-shaped or rectangular surface adjacent the area where fumes are produced

Abstract

The invention relates to an airflow classification system with a dust recovery function. The dust recycling device comprises a feeding mechanism, an air flow grading mechanism and a raised dust recycling mechanism, wherein the raised dust recycling mechanism comprises a first air inlet pipeline, a dust filtering structure, a recycling air blower and an air outlet pipeline, the dust filtering structure comprises a filtering cavity, a filtering bag and a dust collecting container, the filtering cavity is communicated with the dust collecting container, the dust collecting container is arranged at the bottom of the filtering cavity, the filtering bag is arranged inside the filtering cavity, an air inlet of the first air inlet pipeline is arranged corresponding to a discharge hole of the feeding mechanism, an air outlet of the first air inlet pipeline is communicated with the inside of the filtering cavity and the outside of the filtering bag, an air inlet of the air outlet pipeline is communicated with the inside of the filtering bag, and an air outlet of the air outlet pipeline is communicated with an air inlet of the recycling air blower. Compared with the prior art, the dust recovery mechanism is arranged, so that dust raised by the feeding mechanism can be sucked into the filter cavity by airflow generated by the recovery blower to be filtered, and the airflow grading system has a dust treatment function.

Description

Airflow grading system with raise dust recycling function
Technical Field
The invention belongs to the technical field of powder processing, and particularly relates to an airflow grading system with a dust recycling function.
Background
The air flow classification system comprises a classifier, a cyclone separator, a dust remover and a blower. The materials move to a classification area at a high speed along with ascending airflow from a feeding port at the lower end of the classifier under the suction action of a recovery blower, and under the action of strong centrifugal force generated by a classification turbine rotating at a high speed, the coarse and fine materials are separated; the fine particles meeting the particle size requirement enter a cyclone separator or a dust remover for collection through the blade gaps of the grading wheel; the speed of the coarse particles and part of the fine particles after colliding with the wall disappears, the coarse particles and the part of the fine particles descend to a secondary air port along the wall of the cylinder, and the coarse particles and the fine particles are separated through the strong elutriation effect of secondary air; the fine particles rise to the classification area for secondary classification, and the coarse particles fall to a discharge port for discharge.
The existing workshop powder airflow grading system adopts a feeder to feed materials, and the discharge port of the feeder can generate raised dust in the feeding process; moreover, the discharge ports of the classifier, the cyclone separator and the dust remover can generate dust during discharging; thirdly, a certain amount of dust substances in residual gas from the air outlet of the blower; the dust and residual dust gas are directly discharged into the air, which not only pollutes the environment, but also is a waste of resources. The residual gas and dust substances in the dust contain a large amount of substances harmful to human bodies, and once the residual gas and dust substances are inhaled into the lung, the residual gas and dust substances can cause fibropulmonary lesion and damage organs such as a respiratory system and an eye cornea.
Therefore, a technical scheme capable of treating the charging raise dust of the airflow classification system is needed.
Disclosure of Invention
The invention aims to: aiming at the defects of the prior art, the invention provides an airflow grading system with a dust recycling function, which aims to solve the problem of dust emission of the existing airflow grading system.
In order to achieve the purpose, the invention adopts the following technical scheme:
the air flow grading system with the dust recovery function comprises a feeding mechanism, an air flow grading mechanism and a dust recovery mechanism, wherein the dust recovery mechanism comprises a first air inlet pipeline, a dust filtering structure, a recovery air blower and an air outlet pipeline, the dust filtering structure comprises a filtering cavity, a filtering bag and a dust collecting container, the filtering cavity is communicated with the dust collecting container, the dust collecting container is arranged at the bottom of the filtering cavity, the filtering bag is arranged in the filtering cavity, an air inlet of the first air inlet pipeline is correspondingly arranged with a discharge hole of the feeding mechanism, an air outlet of the first air inlet pipeline is communicated with the inside of the filtering cavity and the outside of the filtering bag, an air inlet of the air outlet pipeline is communicated with the inside of the filtering bag, and an air outlet of the air outlet pipeline is communicated with an air inlet of the recovery air blower.
As a preferable scheme of the air flow grading system with the dust recycling function, the opening of the filter bag is sleeved at the top of the filter cavity, and the air inlet of the air outlet pipeline penetrates through the top of the filter cavity and the opening of the filter bag to be communicated with the inside of the filter bag.
As a preferable scheme of the airflow classification system with the dust recovery function, the dust filtering structure further comprises a fixing frame, the fixing frame is arranged at the top of the filtering cavity, and an opening of the filtering bag is sleeved at the top of the filtering cavity through the fixing frame.
As a preferable scheme of the airflow classification system with the dust recovery function, the airflow classification mechanism comprises a classifier, the dust recovery mechanism further comprises a second air inlet pipeline, an air inlet of the second air inlet pipeline is arranged corresponding to a discharge hole of the classifier, and an air outlet of the second air inlet pipeline is communicated with the inside of the filter cavity and the outside of the filter bag.
As a preferable scheme of the airflow classification system with the dust recovery function of the present invention, the airflow classification mechanism includes a cyclone separator, the dust recovery mechanism further includes a third air inlet pipe, an air inlet of the third air inlet pipe is disposed corresponding to a discharge port of the cyclone separator, and an air outlet of the third air inlet pipe is communicated with the inside of the filter chamber and the outside of the filter bag.
As a preferable scheme of the airflow classification system with the dust recovery function of the present invention, the airflow classification mechanism includes a dust remover, the dust recovery mechanism further includes a fourth air inlet pipe, an air inlet of the fourth air inlet pipe is disposed corresponding to a discharge port of the dust remover, and an air outlet of the fourth air inlet pipe is communicated with an interior of the filter chamber and an exterior of the filter bag.
As a preferable scheme of the airflow classification system with the dust recovery function of the present invention, the airflow classification mechanism includes a classification blower, the dust recovery mechanism further includes a fifth air inlet pipe, an air inlet of the fifth air inlet pipe is disposed corresponding to an air outlet of the classification blower, and an air outlet of the fifth air inlet pipe is communicated with the inside of the filter chamber and the outside of the filter bag.
As a preferable aspect of the air classification system having the dust recovery function according to the present invention, a first dust sensor is disposed inside the filter chamber and outside the filter bag, and the first dust sensor is electrically connected to the recovery blower.
As a preferable aspect of the air classification system with the dust recovery function according to the present invention, a second dust sensor is disposed around the charging mechanism, and the second dust sensor is electrically connected to the recovery blower.
As a preferable aspect of the air classification system having the dust recovery function according to the present invention, a third dust sensor is provided around the air classification mechanism, and the third dust sensor is electrically connected to the recovery blower.
The invention has the following beneficial effects: according to the invention, the dust recovery mechanism is arranged, so that dust raised at the discharge port of the feeding mechanism can be sucked into the filter cavity for filtering treatment by airflow generated by the recovery blower in time, and clean air without dust is finally discharged, so that the airflow classification system has a dust treatment function.
Drawings
FIG. 1 is a schematic view of the present invention.
In the figure:
1-a feeding mechanism;
2-an air flow grading mechanism; 21-a classifier; 22-a cyclone separator; 23-a dust remover; 24-a staging blower;
3-dust recovery mechanism; 31-a first air intake duct; 32-a second air intake duct; 33-a third air intake conduit; 34-a fourth intake conduit; 35-a fifth intake conduit; 36-dust filtration structure; 361-a filter chamber; 362-filter bag; 363-a dust collecting container; 37-recovery blower; 38-outlet pipe.
Detailed Description
In order to make the technical solutions and advantages of the present invention clearer, the present invention and its advantages will be described in further detail below with reference to the following detailed description and the accompanying drawings, but the embodiments of the present invention are not limited thereto.
As shown in fig. 1, the air classification system with the dust recycling function includes a feeding mechanism 1 and an air classification mechanism 2, and further includes a dust recycling mechanism 3, the dust recycling mechanism 3 includes a first air inlet pipe 31, a dust filtering structure 36, a recycling blower 37 and an air outlet pipe 38, the dust filtering structure 36 includes a filtering cavity 361, a filtering bag 362 and a dust collecting container 363, the filtering cavity 361 is communicated with a dust collecting container 363, the dust collecting container 363 is disposed at the bottom of the filtering cavity 361, the filtering bag 362 is disposed inside the filtering cavity 361, an air inlet of the first air inlet pipe 31 is disposed corresponding to an outlet of the feeding mechanism 1, an air outlet of the first air inlet pipe 31 is communicated with the inside of the filtering cavity 361 and the outside of the filtering bag 362, an air inlet of the air outlet pipe 38 is communicated with the inside of the filtering bag 362, and an air outlet of the air outlet pipe 38 is communicated with an air inlet of the recycling blower 37.
The working principle of the embodiment is as follows: when the feeding mechanism 1 feeds powder, raised dust can appear at the discharge port of the feeding mechanism 1; under the action of the recovery blower 37, dust raised at the discharge port of the charging mechanism 1 enters the filter cavity 361 through the first air inlet pipeline 31 along with air flow, and then the air flow passes through the filter bag 362 and is discharged outside through the air outlet pipeline 38 and the recovery blower 37 in sequence; when the air flow passes through the filter bag 362, the filter bag 362 can filter the dust in the air flow to the outside of the filter bag 362, and the dust filtered and blocked by the filter bag 362 can fall to the bottom of the filter cavity 361 and finally fall into the dust collection container 363.
The beneficial effect of this embodiment does: this embodiment is through setting up raise dust recovery mechanism 3, and the dust that makes 1 discharge gate department of reinforced mechanism raise can in time be by retrieving the inside filtration treatment that carries out of air current suction filter 361 that air-blower 37 produced to the clean air of the dustless of final discharge, thereby make the air current grading system have raise dust processing function.
Preferably, the opening of the filter bag 362 is sleeved on the top of the filter chamber 361, and the air inlet of the air outlet pipe 38 is communicated with the inside of the filter bag 362 through the top of the filter chamber 361 and the opening of the filter bag 362. Through the aforesaid setting, make the inside air current flow direction of filter 361 towards the top of filter 361, and the dust that is blockked by the filtration is under the effect of gravity, and its direction of falling is towards the bottom of filter 361 to be favorable to dust and air current separation, improve the filter effect.
Preferably, the dust filtering structure 36 further includes a fixing frame, the fixing frame is disposed on the top of the filtering cavity 361, and the opening of the filtering bag 362 is sleeved on the top of the filtering cavity 361 through the fixing frame. With the above arrangement, the filter bag 362 can be detachably installed in the filter chamber 361.
Preferably, the airflow classifying mechanism 2 includes a classifier 21, the dust recycling mechanism 3 further includes a second air inlet pipe 32, an air inlet of the second air inlet pipe 32 is disposed corresponding to an outlet of the classifier 21, and an air outlet of the second air inlet pipe 32 is communicated with the inside of the filter chamber 361 and the outside of the filter bag 362. Through the setting, the dust that raises at the discharge outlet of classifier 21 department gets into inside the filter chamber 361 with the circulation of air through second inlet duct 32 and carries out filtration treatment to the clean air of the dustless of final discharge, thereby make the air current grading system can handle the raise dust of classifier 21 discharge outlet department.
Preferably, the airflow classifying mechanism 2 includes a cyclone separator 22, the dust recycling mechanism 3 further includes a third air inlet pipe 33, an air inlet of the third air inlet pipe 33 is disposed corresponding to an air outlet of the cyclone separator 22, and an air outlet of the third air inlet pipe 33 is communicated with the inside of the filter chamber 361 and the outside of the filter bag 362. Through the above arrangement, the dust raised at the discharge port of the cyclone 22 enters the filter chamber 361 through the third air inlet pipe 33 along with the air flow to be filtered, and finally, the dust-free clean air is discharged, so that the air flow classification system can process the raised dust at the discharge port of the cyclone 22.
Preferably, the airflow classifying mechanism 2 includes a dust collector 23, the dust recycling mechanism 3 further includes a fourth air inlet pipe 34, an air inlet of the fourth air inlet pipe 34 is disposed corresponding to an outlet of the dust collector 23, and an air outlet of the fourth air inlet pipe 34 is communicated with the inside of the filter chamber 361 and the outside of the filter bag 362. Through the setting, the dust raised at the discharge port of the dust remover 23 enters the filter chamber 361 through the fourth air inlet pipeline 34 along with the air flow to be filtered, and finally, the dust-free clean air is discharged, so that the dust raised at the discharge port of the dust remover 23 can be treated by the air flow classification system.
Preferably, the airflow classifying mechanism 2 includes a classifying blower 24, the dust recycling mechanism 3 further includes a fifth air inlet duct 35, an air inlet of the fifth air inlet duct 35 is disposed corresponding to an air outlet of the classifying blower 24, and an air outlet of the fifth air inlet duct 35 is communicated with the inside of the filter chamber 361 and the outside of the filter bag 362. Through the setting, the dust-carrying airflow at the air outlet of the classifying air blower 24 enters the filter chamber 361 through the fifth air inlet pipeline 35 to be filtered, and finally, dust-free clean air is discharged, so that the dust-carrying airflow at the air outlet of the classifying air blower 24 can be processed by the airflow classifying system.
Preferably, a first dust sensor is provided inside the filter chamber 361 and outside the filter bag 362, and is electrically connected to the recovery blower 37. Through the arrangement, the airflow classification system can monitor the dust concentration in the filter cavity 361 in real time, and can dynamically adjust the operation power of the recovery blower 37 according to the real-time dust concentration; when the first dust sensor monitors that the dust concentration is high, namely the dust raising of the feeding mechanism 1 or the airflow classification system is serious, the air exhaust operation power of the recovery blower 37 is improved; when the first dust sensor detects that the dust concentration is low, that is, the dust of the charging mechanism 1 or the airflow classification system is slight, the air exhaust operation power of the recovery blower 37 is reduced.
Preferably, a second dust sensor is provided around the charging mechanism 1, and the second dust sensor is electrically connected to the recovery blower 37. Through the arrangement, the airflow classification system can monitor the dust concentration around the feeding mechanism 1 in real time, and can dynamically adjust the operation power of the recovery blower 37 according to the real-time dust concentration; when the second dust sensor detects that the dust concentration is higher, namely the dust raising of the feeding mechanism 1 is more serious, the air exhaust operation power of the recovery blower 37 is improved; when the second dust sensor detects that the dust concentration is low, namely the dust of the charging mechanism 1 is slight, the air exhaust operation power of the recovery blower 37 is reduced.
Preferably, a third dust sensor is provided around the air classifier 2, and the third dust sensor is electrically connected to the recovery blower 37. Through the arrangement, the airflow classification system can monitor the dust concentration around the airflow classification mechanism 2 in real time, and can dynamically adjust the operation power of the recovery blower 37 according to the real-time dust concentration; when the third dust sensor detects that the dust concentration is higher, that is, the dust raising of the air classification system is more serious, the air exhaust operation power of the recovery blower 37 is increased; when the third dust sensor detects that the dust concentration is low, that is, the dust emission of the air classification system is slight, the air exhaust operation power of the recovery blower 37 is reduced.
Variations and modifications to the above-described embodiments may become apparent to those skilled in the art to which the invention pertains based upon the disclosure and teachings of the above specification. Therefore, the present invention is not limited to the above-mentioned embodiments, and any obvious modifications, substitutions or alterations based on the present invention will fall within the protection scope of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.

Claims (10)

1. Air classification system with raise dust retrieves function, including reinforced mechanism (1) and air classification mechanism (2), its characterized in that: the dust recycling mechanism (3) comprises a first air inlet pipeline (31), a dust filtering structure (36), a recycling air blower (37) and an air outlet pipeline (38), wherein the dust filtering structure (36) comprises a filtering cavity (361), a filtering bag (362) and a dust collecting container (363), the filtering cavity (361) is communicated with the dust collecting container (363), the dust collecting container (363) is arranged at the bottom of the filtering cavity (361), the filtering bag (362) is arranged inside the filtering cavity (361), an air inlet of the first air inlet pipeline (31) is arranged corresponding to an outlet of the charging mechanism (1), an air outlet of the first air inlet pipeline (31) is communicated with the inside of the filtering cavity (361) and the outside of the filtering bag (362), and an air inlet of the pipeline (38) is communicated with the inside of the filtering bag (362), and the air outlet of the air outlet pipeline (38) is communicated with the air inlet of the recovery blower (37).
2. An air classification system with a dust recovery function according to claim 1, characterized in that: the opening of the filter bag (362) is sleeved at the top of the filter cavity (361), and the air inlet of the air outlet pipeline (38) penetrates through the top of the filter cavity (361) and the opening of the filter bag (362) to be communicated with the interior of the filter bag (362).
3. An air classification system with a dust recovery function according to claim 2, characterized in that: the dust filtering structure (36) further comprises a fixing frame, the fixing frame is arranged at the top of the filtering cavity (361), and an opening of the filtering bag (362) is sleeved at the top of the filtering cavity (361) through the fixing frame.
4. An air classification system with a dust recovery function according to claim 1, characterized in that: the airflow grading mechanism (2) comprises a classifier (21), the dust recovery mechanism (3) further comprises a second air inlet pipeline (32), an air inlet of the second air inlet pipeline (32) is arranged corresponding to a discharge hole of the classifier (21), and an air outlet of the second air inlet pipeline (32) is communicated with the inside of the filter cavity (361) and the outside of the filter bag (362).
5. The air classification system with a dust recovery function according to claim 1, characterized in that: the airflow grading mechanism (2) comprises a cyclone separator (22), the raised dust recovery mechanism (3) further comprises a third air inlet pipeline (33), an air inlet of the third air inlet pipeline (33) is arranged corresponding to a discharge hole of the cyclone separator (22), and an air outlet of the third air inlet pipeline (33) is communicated with the inside of the filter cavity (361) and the outside of the filter bag (362).
6. An air classification system with a dust recovery function according to claim 1, characterized in that: the air flow grading mechanism (2) comprises a dust remover (23), the dust recovery mechanism (3) further comprises a fourth air inlet pipeline (34), an air inlet of the fourth air inlet pipeline (34) is arranged corresponding to a discharge hole of the dust remover (23), and an air outlet of the fourth air inlet pipeline (34) is communicated with the inside of the filter cavity (361) and the outside of the filter bag (362).
7. An air classification system with a dust recovery function according to claim 1, characterized in that: the air flow grading mechanism (2) comprises a grading blower (24), the dust recycling mechanism (3) further comprises a fifth air inlet pipeline (35), an air inlet of the fifth air inlet pipeline (35) is arranged corresponding to an air outlet of the grading blower (24), and an air outlet of the fifth air inlet pipeline (35) is communicated with the inside of the filter cavity (361) and the outside of the filter bag (362).
8. An air classification system with a dust recovery function according to claim 1, characterized in that: a first dust sensor is arranged inside the filter cavity (361) and outside the filter bag (362), and the first dust sensor is electrically connected with the recycling blower (37).
9. An air classification system with a dust recovery function according to claim 1, characterized in that: and a second dust sensor is arranged around the charging mechanism (1), and the second dust sensor is electrically connected with the recovery blower (37).
10. An air classification system with a dust recovery function according to claim 1, characterized in that: and a third dust sensor is arranged around the air flow grading mechanism (2), and the third dust sensor is electrically connected with the recovery blower (37).
CN202210269990.3A 2022-03-18 2022-03-18 Airflow grading system with raise dust recycling function Pending CN114749378A (en)

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CN202210269990.3A CN114749378A (en) 2022-03-18 2022-03-18 Airflow grading system with raise dust recycling function

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CN202210269990.3A CN114749378A (en) 2022-03-18 2022-03-18 Airflow grading system with raise dust recycling function

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040187449A1 (en) * 2003-03-27 2004-09-30 Oneida Air Systems, Inc. Dust collection system
CN106268131A (en) * 2016-08-25 2017-01-04 广东隽诺环保科技股份有限公司 The dust pelletizing system of waste product exhausting line
CN108079722A (en) * 2017-12-27 2018-05-29 安徽祥源科技股份有限公司 A kind of dry type magnalium dust intelligent dedusting system
CN207641981U (en) * 2017-10-23 2018-07-24 瑞安市呈轩工贸有限公司 A kind of workshop powder lot negative pressure absorption hierarchy system
CN108434879A (en) * 2018-04-26 2018-08-24 内江至诚铂业科技有限公司 A kind of automobile exhaust gas purifying installation of high-effective dust-removing
CN111330747A (en) * 2020-03-27 2020-06-26 广东邦普循环科技有限公司 Cyclonic separation system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040187449A1 (en) * 2003-03-27 2004-09-30 Oneida Air Systems, Inc. Dust collection system
CN106268131A (en) * 2016-08-25 2017-01-04 广东隽诺环保科技股份有限公司 The dust pelletizing system of waste product exhausting line
CN207641981U (en) * 2017-10-23 2018-07-24 瑞安市呈轩工贸有限公司 A kind of workshop powder lot negative pressure absorption hierarchy system
CN108079722A (en) * 2017-12-27 2018-05-29 安徽祥源科技股份有限公司 A kind of dry type magnalium dust intelligent dedusting system
CN108434879A (en) * 2018-04-26 2018-08-24 内江至诚铂业科技有限公司 A kind of automobile exhaust gas purifying installation of high-effective dust-removing
CN111330747A (en) * 2020-03-27 2020-06-26 广东邦普循环科技有限公司 Cyclonic separation system

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Application publication date: 20220715