CN204817337U - Communication equipment dust collector - Google Patents
Communication equipment dust collector Download PDFInfo
- Publication number
- CN204817337U CN204817337U CN201520440323.2U CN201520440323U CN204817337U CN 204817337 U CN204817337 U CN 204817337U CN 201520440323 U CN201520440323 U CN 201520440323U CN 204817337 U CN204817337 U CN 204817337U
- Authority
- CN
- China
- Prior art keywords
- dust
- communication equipment
- car body
- dust arrester
- slide rail
- 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.)
- Expired - Fee Related
Links
- 239000000428 dust Substances 0.000 title claims abstract description 74
- 238000004891 communication Methods 0.000 title claims abstract description 22
- 238000007664 blowing Methods 0.000 claims abstract description 13
- 238000003825 pressing Methods 0.000 claims description 17
- 230000000694 effects Effects 0.000 abstract description 5
- 230000003028 elevating effect Effects 0.000 abstract 2
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 238000000605 extraction Methods 0.000 abstract 1
- 230000003434 inspiratory effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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- Cleaning Of Streets, Tracks, Or Beaches (AREA)
Abstract
The utility model provides a communication equipment dust collector mainly solves the inconvenient problem of communication equipment dust removal, and it includes automobile body, dust collector and elevating gear, and wherein, the automobile body makes the arbitrary removal of this device, and elevating gear includes slide rail, slider, motor and lead screw, and motor drive lead screw drive slider is followed the slide rail of establishing on the automobile body and is reciprocated, dust extraction includes suction fan, air -blower and suction hood, and the suction hood is the telescopic plastic housing of spring, and its right -hand member is established on the baffle, baffle and slider fixed connection, and the baffle left side is equipped with two spinal branch vaulting poles, and the slip -ring lower extreme of cover on the bracing piece is connected with the suction hood top, utilizes the regulation of slip -ring realization suction hood width, the suction fan provides dust absorption wind -force for the suction hood, and the air -blower provides the wind -force of blowing for the blowing nozzle. Under the normal running situation of equipment, effectively remove dust to communication equipment through the mode of blowing, the inspiratory phase combines, avoid with the direct contact of equipment, convenience safe in utilization, dust removal effect is good.
Description
Technical field
The utility model belongs to technical field of dust removal equipment, specifically a kind of communication equipment dust arrester.
Background technology
The fan of communication equipment needs long time running usually, of long duration can causing on communication equipment board accumulates a large amount of dust, the attachment of these dusts is very firm, have a strong impact on the radiating effect of board, usually dust catcher or hairbrush is used to clear up adhesive dust in prior art, traditional approach cannot carry out dust removal process in equipment runs, and dust catcher must be close to equipment and board could clear up dust, good dust removing effects cannot be reached to equipment top, environment for use critical constraints, and use hairbrush to clear up not only troublesome poeration, labour intensity is high, also easily cause dust dispersion, have a strong impact on machine room running environment.
Utility model content
For in prior art, the problem of communication equipment top dust cleaning inconvenience, the purpose of this utility model is to provide a kind of communication equipment dust arrester, its easy to use, good dedusting effect, can carry out dust cleaning in communication equipment runs.
The technical scheme in the invention for solving the technical problem is: a kind of communication equipment dust arrester, is characterized in that, comprises car body, dust arrester and lowering or hoisting gear;
Described car body is provided with four road wheels being convenient to walk, and is provided with the handle being convenient to promote on rear side of described car body;
Described lowering or hoisting gear comprises slide rail, slide block, motor and leading screw, described slide rail is vertically set on described car body upper surface, described slide block is nested with on described slide rail, the feed screw nut coordinated with described threads of lead screw is fixedly connected with described slide block, and described motor drives described leading screw to drive described slide block to move up and down along described slide rail;
Described dust arrester comprises and is arranged on induced-draught fan on described car body and air blast, and the dust shield that can move up and down under described lowering or hoisting gear drives, described dust shield is spring retractable plastic jacket, its right-hand member is fixedly installed on baffle plate, be fixedly connected with described slide block on the right side of described baffle plate, shown in be provided with two parallel support bars on the left of baffle plate upper end, the slip ring lower end be nested with on described support bar is fixedly connected with described dust shield, and described slip ring can horizontally slip and realize the adjustment of described dust shield width;
Described induced-draught fan air inlet utilizes the first flexible pipe to be communicated with described dust shield, and described first flexible pipe is communicated with blast pipe, and described blast pipe is vertically set on described dust shield, and described blast pipe lower end is provided with outward extending bell; Described induced-draught fan air outlet utilizes the second flexible pipe to be communicated with outdoor; Described air blast gas outlet is provided with the 3rd flexible pipe, and described 3rd flexible pipe is provided with gas flow optimized valve body, and described gas flow optimized valve body is provided with blowing nozzle.
Further, be provided with spiral type flow guide plates in described blast pipe inner chamber, spiral type flow guide plates described in this forms spiral gas channel at described bell inwall.
Further, described blast pipe is fixed with the second pressing plate of annular shape, the first pressing plate and described second pressing plate that are nested with the annular shape on described blast pipe are clamped in both sides, described dust shield upper surface respectively, and described first pressing plate and described second pressing plate are connected and fixed by fastening bolt.
Further, described slip ring is provided with the threaded post through with its inner chamber, is provided with butterfly handle above threaded post described in this.
Further, described blowing nozzle is detachable being threaded with described gas flow optimized valve body.
Further, two road wheels of described car body 1 front end are directional wheel, and two road wheels of rear end are the universal wheel of strap brake braking.
The beneficial effects of the utility model are: the utility model can complete dust removal operation under equipment normally runs, and avoid causing communication disruption because of stalling, and it avoids directly contacting with equipment, safe and reliable; The dust at equipment top is blown afloat by hand-held air blowing handle by it, and utilize the dust shield be connected with induced-draught fan to be covered completely at communication equipment top, spiral type flow guide plates is had in blast pipe inner chamber in dust shield, this spiral type flow guide plates forms spiral gas channel in dust suction, swirling eddy can be formed below bell, thus be convenient to the dust risen better to absorb, improve indoor running environment; The utility model utilizes the car body with road wheel in the arbitrarily movement in machine room that operates, substantially can realize one man operation, and its dust shield width can arbitrarily can regulate according to different specifications of equipment, when not using, can pack up and reduce taking of space.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is part preferred embodiment of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the axle apparent direction structural representation of the utility model when specifically using;
Fig. 2 is axle apparent direction structural representation of the present utility model;
Fig. 3 is the inner broken section structural representation of middle dust shield of the present utility model;
In figure: 1 car body, 11 road wheels, 12 handles, 13 slide rails, 131 gripper shoes, 132 baffle plates, 133 support bars, 1331 positioning seats, 134 slip rings, 1341 butterfly handles, 135 dust shields, 14 slide blocks, 141 feed screw nuts, 2 motors, 21 leading screws, 3 induced-draught fans, 31 first flexible pipes, the 31 ' second flexible pipe, 32 blast pipes, 321 spiral type flow guide plates, 322 first pressing plates, the 322 ' second pressing plate, 323 conical pipes, 4 air blasts, 41 the 3rd flexible pipes, 42 gas flow optimized valve bodies, 421 blowing nozzles.
Detailed description of the invention
As shown in Figure 1 to Figure 3, a kind of communication equipment dust arrester that the utility model provides, comprise car body 1, dust arrester and lowering or hoisting gear, its easy to use, good dedusting effect, dedusting can be carried out when equipment normally runs, below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
As shown in Figure 2, car body 1 is provided with four road wheels 11 being convenient to walk, and on rear side of described car body 1, be provided with the handle 12 being convenient to promote; In specific embodiment, as a kind of preferred embodiment, two road wheels 11 of described car body 1 front end are directional wheel, the universal wheel that two road wheels 11 of rear end are braked for strap brake, so both facilitate car body to move, and are convenient to again car body 1 to be fixed at any time park.
The height that described lowering or hoisting gear is mainly used in dust arrester regulates, comprise slide rail 13, slide block 14, motor 2 and leading screw 21, described slide rail 13 is vertically set on described car body 1 upper surface, described slide block 14 is nested with on described slide rail 13, be fixedly connected with described slide block 14 with the feed screw nut 141 of described leading screw 21 threaded engagement, described motor 2 drives described leading screw 21 to drive described slide block 14 to move up and down along described slide rail 13.
In specific embodiment, as shown in Figure 2, the gripper shoe 131 for fixing described leading screw 21 is provided with at the upper side of described slide rail 13, the bearing of wherein said leading screw 21 upper end utilizes bearing fixing sleeve to be fixedly installed on the downside of described gripper shoe 131, described motor 2 is fixedly installed on the motor support frame bracing frame that below described slide rail 13, side is provided with, those skilled in the art of the present technique are readily appreciated that herein, are not described in detail at this.
Described dust arrester comprises and is arranged on induced-draught fan 3 on described car body 1 and air blast 4, and the dust shield 135 that can move up and down under described lowering or hoisting gear drives, described dust shield 135 is spring retractable plastic jacket, its right-hand member is fixedly installed on baffle plate 132, be fixedly connected with described slide block 14 on the right side of described baffle plate 132, shown in be provided with two parallel support bars 133 on the left of baffle plate 132 upper end, slip ring 134 lower end be nested with on described support bar 133 is fixedly connected with described dust shield 135, utilize slip ring 134 can regulate the width of described dust shield 135 according to the specification of equipment.
In specific embodiment, for preventing in air blowing process, described dust shield 135 horizontally slips along described support bar 133, and described slip ring 134 is provided with the threaded post being convenient to itself and described support bar 133 to be locked, and is provided with the butterfly handle 1341 be convenient to hand adjustment joint above this threaded post.
The air inlet of described induced-draught fan 3 is provided with the first flexible pipe 31 be communicated with described dust shield 135, described first flexible pipe 31 is communicated with blast pipe 32, described blast pipe 32 is vertically set on described dust shield 132, and described blast pipe 32 lower end is provided with outward extending bell 323; The air outlet of described induced-draught fan 3 is provided with the second flexible pipe 31 ' be communicated with outdoor; The gas outlet of described air blast 4 is provided with the 3rd flexible pipe 41, and described 3rd flexible pipe 41 is provided with gas flow optimized valve body 42, and described gas flow optimized valve body 42 is provided with blowing nozzle 421.
In specific embodiment, described blast pipe 32 upper end and described first flexible pipe 31 are for removably connecting, described blast pipe 32 is provided with the second pressing plate 322 ' be fixedly connected with, the first pressing plate 322 be nested with on described blast pipe 32 is clamped in both sides, described dust shield 132 upper surface respectively with described second pressing plate 322 ', and described first pressing plate 322 is connected and fixed by fastening bolt with described second pressing plate 322 '.
In specific embodiment, described blowing nozzle 421 is detachable, and it arranges multiple according to openings of sizes, can change at any time according to concrete applying working condition.
Like this, utilize lowering or hoisting gear that dust arrester is adjusted to suitable position, regulate the width of dust shield 135, utilize dust shield 135 to be covered completely on communication equipment top, utilize blowing nozzle 421 pairs of equipment tops to blow, open induced-draught fan 3 simultaneously and the dust blown afloat is discharged to outdoor.
Further, for strengthening pick-up performance of the present utility model further, as shown in Figure 3, spiral type flow guide plates 321 is provided with in described blast pipe 32 inner chamber, this spiral type flow guide plates 321 forms spiral gas channel at described bell 323 inwall, like this when carrying out dust suction, can form swirling eddy below bell 323, thus be convenient to the dust risen better to absorb, improve indoor running environment.
In the utility model, "left", "right", " on ", D score is all position relationship and the relative position adopted for convenience of description, therefore can not be interpreted as restriction to protection domain as absolute position.
Except the technical characteristic described in description, be the known technology of those skilled in the art.
The above has made detailed description to preferred embodiment of the present utility model and embodiment by reference to the accompanying drawings; but the utility model is not limited to the above-described embodiment and examples; for those skilled in the art; without departing from the concept of the premise utility; can also make some improvement and modification, these improve and modification also should be considered as protection domain of the present utility model.
Claims (6)
1. a communication equipment dust arrester, is characterized in that, comprises car body (1), dust arrester and lowering or hoisting gear;
Described car body (1) is provided with four road wheels (11) being convenient to walk, and described car body (1) rear side is provided with the handle (12) being convenient to promote;
Described lowering or hoisting gear comprises slide rail (13), slide block (14), motor (2) and leading screw (21), described slide rail (13) is vertically set on described car body (1) upper surface, described slide block (14) is nested with on described slide rail (13), be fixedly connected with described slide block (14) with the feed screw nut (141) of described leading screw (21) threaded engagement, described motor (2) drives described leading screw (21) to drive described slide block (14) to move up and down along described slide rail (13);
Described dust arrester comprises and is arranged on induced-draught fan (3) on described car body (1) and air blast (4), and the dust shield (135) that can move up and down under described lowering or hoisting gear drives, described dust shield (135) is spring retractable plastic jacket, its right-hand member is fixedly installed on baffle plate (132), described baffle plate (132) right side is fixedly connected with described slide block (14), shown in be provided with two parallel support bars (133) on the left of baffle plate (132) upper end, slip ring (134) lower end be nested with on described support bar (133) is fixedly connected with described dust shield (135), described slip ring (134) can horizontally slip and realize the adjustment of described dust shield (135) width,
Described induced-draught fan (3) air inlet utilizes the first flexible pipe (31) to be communicated with described dust shield (135), described first flexible pipe (31) is communicated with blast pipe (32), described blast pipe (32) is vertically set on described dust shield (132), and described blast pipe (32) lower end is provided with outward extending bell (323); Described induced-draught fan (3) air outlet utilizes the second flexible pipe (31 ') to be communicated with outdoor; Described air blast (4) gas outlet is provided with the 3rd flexible pipe (41), described 3rd flexible pipe (41) is provided with gas flow optimized valve body (42), and described gas flow optimized valve body (42) is provided with blowing nozzle (421).
2. communication equipment dust arrester according to claim 1, it is characterized in that, be provided with spiral type flow guide plates (321) in described blast pipe (32) inner chamber, spiral type flow guide plates described in this (321) forms spiral gas channel at described bell (323) inwall.
3. communication equipment dust arrester according to claim 2, it is characterized in that, described blast pipe (32) is fixed with the second pressing plate (322 ') of annular shape, the first pressing plate (322) being nested with the annular shape on described blast pipe (32) is clamped in described dust shield (132) both sides, upper surface respectively with described second pressing plate (322 '), and described first pressing plate (322) and described second pressing plate (322 ') are connected and fixed by fastening bolt.
4. communication equipment dust arrester according to claim 3, is characterized in that, described slip ring (134) is provided with the threaded post through with its inner chamber, is provided with butterfly handle (1341) above threaded post described in this.
5. communication equipment dust arrester according to claim 4, is characterized in that, described blowing nozzle (421) is threaded for detachable with described gas flow optimized valve body (42).
6. communication equipment dust arrester according to claim 5, is characterized in that, two road wheels (11) of described car body (1) front end are directional wheel, the universal wheel that two road wheels (11) of rear end are braked for strap brake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520440323.2U CN204817337U (en) | 2015-06-24 | 2015-06-24 | Communication equipment dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520440323.2U CN204817337U (en) | 2015-06-24 | 2015-06-24 | Communication equipment dust collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204817337U true CN204817337U (en) | 2015-12-02 |
Family
ID=54674979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520440323.2U Expired - Fee Related CN204817337U (en) | 2015-06-24 | 2015-06-24 | Communication equipment dust collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204817337U (en) |
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106667372A (en) * | 2016-12-30 | 2017-05-17 | 上海孩子国科教设备有限公司 | Dust collecting device for bed and dust collecting method |
| CN106735890A (en) * | 2017-03-01 | 2017-05-31 | 王莉萍 | A kind of laser cutting machine maintenance cleaner |
| CN106965274A (en) * | 2017-03-17 | 2017-07-21 | 青岛铠硕机械科技有限公司 | A kind of automatic plane saw dust exhaust apparatus |
| CN107089524A (en) * | 2017-04-27 | 2017-08-25 | 宝兴易达光伏刃料有限公司 | Granularity sand feed bin discharger |
| CN107175238A (en) * | 2017-07-26 | 2017-09-19 | 吴文英 | A kind of agricultural machinery dust arrester |
| CN107983642A (en) * | 2017-12-15 | 2018-05-04 | 衡阳博思科技有限公司 | A kind of agricultural corn screen selecting device |
| CN108339823A (en) * | 2018-02-24 | 2018-07-31 | 新昌县羽林街道智西机械厂 | A kind of movable type workshop particulate adsorbent device |
| CN108554073A (en) * | 2018-04-18 | 2018-09-21 | 安徽中疆环境科技有限公司 | A kind of building site depollution of environment dust-extraction unit |
| CN108638337A (en) * | 2018-05-07 | 2018-10-12 | 滁州市炬基节能新型建材有限公司 | Dust pelletizing system in dry-mixed mortar production line |
| CN108704900A (en) * | 2018-05-17 | 2018-10-26 | 郑州格瑞塔电子信息技术有限公司 | A kind of communication equipment production dead angle dust-extraction unit |
| CN108709276A (en) * | 2018-05-07 | 2018-10-26 | 安徽砼宇特构科技有限公司 | A kind of dust removal by ventilation formula building pipe gallery |
| CN109036771A (en) * | 2018-07-13 | 2018-12-18 | 深圳市奈士迪技术研发有限公司 | A kind of transformer with dust cleaning function |
| CN109092784A (en) * | 2018-08-15 | 2018-12-28 | 佛山阳途科技有限公司 | A kind of workbench mobile type dust collector |
| CN109127633A (en) * | 2018-09-29 | 2019-01-04 | 芜湖福马汽车零部件有限公司 | Concatenated air compressor machine casting welding booth |
| CN109158397A (en) * | 2018-07-24 | 2019-01-08 | 芜湖易测自动化设备有限公司 | A kind of plastic mould dust-extraction unit |
| CN109772844A (en) * | 2019-02-27 | 2019-05-21 | 徐工集团工程机械股份有限公司科技分公司 | Auto-folder rotating welding smoke and dust treatment cover |
| CN110404886A (en) * | 2019-08-20 | 2019-11-05 | 大唐东营发电有限公司 | A kind of big power station's protective relaying device cleaning equipment |
| CN110848867A (en) * | 2019-11-20 | 2020-02-28 | 张雪玲 | High-efficiency sterile ventilation equipment |
| CN111085522A (en) * | 2019-12-04 | 2020-05-01 | 大族激光科技产业集团股份有限公司 | Dust removing device |
| CN111495915A (en) * | 2020-03-24 | 2020-08-07 | 北京中冶设备研究设计总院有限公司 | Movable smoke dust removing device and dust removing method thereof |
| CN111495091A (en) * | 2020-03-05 | 2020-08-07 | 吉林大学 | Numerical control machine tool dust removal device designed for equipment reliability and personnel safety |
| CN112718115A (en) * | 2020-12-18 | 2021-04-30 | 湖南省长沙磊鑫环保科技有限公司 | Construction waste solid waste treatment device with dustproof function |
| CN113522881A (en) * | 2021-07-23 | 2021-10-22 | 旷亚玲 | Movable powder removing device for industrial enzyme production |
-
2015
- 2015-06-24 CN CN201520440323.2U patent/CN204817337U/en not_active Expired - Fee Related
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106667372A (en) * | 2016-12-30 | 2017-05-17 | 上海孩子国科教设备有限公司 | Dust collecting device for bed and dust collecting method |
| CN106735890A (en) * | 2017-03-01 | 2017-05-31 | 王莉萍 | A kind of laser cutting machine maintenance cleaner |
| CN106965274A (en) * | 2017-03-17 | 2017-07-21 | 青岛铠硕机械科技有限公司 | A kind of automatic plane saw dust exhaust apparatus |
| CN107089524A (en) * | 2017-04-27 | 2017-08-25 | 宝兴易达光伏刃料有限公司 | Granularity sand feed bin discharger |
| CN107175238A (en) * | 2017-07-26 | 2017-09-19 | 吴文英 | A kind of agricultural machinery dust arrester |
| CN107983642A (en) * | 2017-12-15 | 2018-05-04 | 衡阳博思科技有限公司 | A kind of agricultural corn screen selecting device |
| CN108339823A (en) * | 2018-02-24 | 2018-07-31 | 新昌县羽林街道智西机械厂 | A kind of movable type workshop particulate adsorbent device |
| CN108554073A (en) * | 2018-04-18 | 2018-09-21 | 安徽中疆环境科技有限公司 | A kind of building site depollution of environment dust-extraction unit |
| CN108638337A (en) * | 2018-05-07 | 2018-10-12 | 滁州市炬基节能新型建材有限公司 | Dust pelletizing system in dry-mixed mortar production line |
| CN108709276A (en) * | 2018-05-07 | 2018-10-26 | 安徽砼宇特构科技有限公司 | A kind of dust removal by ventilation formula building pipe gallery |
| CN108704900A (en) * | 2018-05-17 | 2018-10-26 | 郑州格瑞塔电子信息技术有限公司 | A kind of communication equipment production dead angle dust-extraction unit |
| CN109036771A (en) * | 2018-07-13 | 2018-12-18 | 深圳市奈士迪技术研发有限公司 | A kind of transformer with dust cleaning function |
| CN109158397A (en) * | 2018-07-24 | 2019-01-08 | 芜湖易测自动化设备有限公司 | A kind of plastic mould dust-extraction unit |
| CN109092784A (en) * | 2018-08-15 | 2018-12-28 | 佛山阳途科技有限公司 | A kind of workbench mobile type dust collector |
| CN109092784B (en) * | 2018-08-15 | 2021-07-23 | 台州市银点子知识产权服务有限公司 | Movable dust removal device for workbench |
| CN109127633A (en) * | 2018-09-29 | 2019-01-04 | 芜湖福马汽车零部件有限公司 | Concatenated air compressor machine casting welding booth |
| CN109772844A (en) * | 2019-02-27 | 2019-05-21 | 徐工集团工程机械股份有限公司科技分公司 | Auto-folder rotating welding smoke and dust treatment cover |
| CN110404886A (en) * | 2019-08-20 | 2019-11-05 | 大唐东营发电有限公司 | A kind of big power station's protective relaying device cleaning equipment |
| CN110848867A (en) * | 2019-11-20 | 2020-02-28 | 张雪玲 | High-efficiency sterile ventilation equipment |
| CN111085522A (en) * | 2019-12-04 | 2020-05-01 | 大族激光科技产业集团股份有限公司 | Dust removing device |
| CN111495091A (en) * | 2020-03-05 | 2020-08-07 | 吉林大学 | Numerical control machine tool dust removal device designed for equipment reliability and personnel safety |
| CN111495915A (en) * | 2020-03-24 | 2020-08-07 | 北京中冶设备研究设计总院有限公司 | Movable smoke dust removing device and dust removing method thereof |
| CN112718115A (en) * | 2020-12-18 | 2021-04-30 | 湖南省长沙磊鑫环保科技有限公司 | Construction waste solid waste treatment device with dustproof function |
| CN113522881A (en) * | 2021-07-23 | 2021-10-22 | 旷亚玲 | Movable powder removing device for industrial enzyme production |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20200624 |
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| CF01 | Termination of patent right due to non-payment of annual fee |