CN108704912A - A kind of cellulose acetate production dust suction tank - Google Patents
A kind of cellulose acetate production dust suction tank Download PDFInfo
- Publication number
- CN108704912A CN108704912A CN201810775807.0A CN201810775807A CN108704912A CN 108704912 A CN108704912 A CN 108704912A CN 201810775807 A CN201810775807 A CN 201810775807A CN 108704912 A CN108704912 A CN 108704912A
- Authority
- CN
- China
- Prior art keywords
- dust suction
- suction tank
- fixedly connected
- sheave
- inner cavity
- 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.)
- Granted
Links
- 239000000428 dust Substances 0.000 title claims abstract description 64
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 229920002301 cellulose acetate Polymers 0.000 title claims abstract description 15
- 238000005192 partition Methods 0.000 claims abstract description 21
- 244000309464 bull Species 0.000 claims abstract description 20
- 239000003365 glass fiber Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000001914 filtration Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 238000001035 drying Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/087—Cleaning containers, e.g. tanks by methods involving the use of tools, e.g. brushes, scrapers
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a kind of cellulose acetate production dust suction tanks, including dust suction tank ontology, the dust suction tank body bottom portion is plugged with discharge nozzle, the dust suction tank ontology both sides are plugged with air inlet pipe and air intake duct respectively, the air intake duct is fixedly connected with suction ventilator far from dust suction tank ontology one end, the dust suction tank bodies top is fixedly connected with motor, the dust suction tank chamber body is fixedly connected with partition board at top, the first sheave is equipped with right over the partition board, the partition board is arranged right below framework, bull stick is equipped with right over first sheave, pass through motor, bull stick, the setting of framework and the first hairbrush, so that dust suction top tank structure cleaning get up it is more convenient；Pass through the setting of the second hairbrush so that filter screen is avoiding surface energy while dust enters inside suction ventilator from being cleared up in time, to ensure the normal use of filter screen, so that filter screen reaches better filter effect.
Description
Technical field
The present invention relates to cellulose acetate production equipment technology, specially a kind of cellulose acetate production dust suction
Tank.
Background technology
Cellulose acetate production needs to use drying equipment, and Rotatingandflashstreamingdrier group is a kind of by dry technology and fluidised form
Change the drying equipment that is integrated of technological synthesis, it overcome drying equipment energy consumption greatly and recirculating fluidized bed uneven drying it is scarce
Point when the drying equipment uses dust suction tank, is cleared up the upper dust on inner wall inside dust suction tank, because for a long time cannot be right
Tank skin is cleared up, its production effect is reduced when causing tower body to clear up raw material, and the use demand of user is not achieved,
Suction ventilator is easy to draw a large amount of dusts simultaneously, and then leads to the damage of suction ventilator.
Invention content
Present invention solves the technical problem that being to overcome the defects of cleaning of the prior art is inconvenient, component is fragile, provide
A kind of cellulose acetate production dust suction tank.A kind of cellulose acetate production dust suction tank is convenient with cleaning, avoids portion
The features such as part damages.
To achieve the above object, the present invention provides the following technical solutions：A kind of cellulose acetate production dust suction tank, including
Dust suction tank ontology, the dust suction tank body bottom portion are plugged with discharge nozzle, and the dust suction tank ontology both sides are plugged with air inlet pipe respectively
And air intake duct, the air intake duct are fixedly connected with suction ventilator far from dust suction tank ontology one end, the dust suction tank bodies top is fixed
It is connected with motor, the dust suction tank chamber body is fixedly connected with partition board at top, first is equipped with right over the partition board
Sheave, the partition board are arranged right below framework, are equipped with bull stick right over first sheave, the dust suction tank bodies top and every
Plate inner cavity is fixedly connected with the first bearing being mutually matched with bull stick, and the bull stick top is plugged on one of first bearing
Inner cavity, and be fixedly connected with motor power output end, the first sheave and another first bearing, and institute are run through in the bull stick bottom end
Bull stick bottom end is stated at the top of framework, and is fixedly connected on framework intracavity bottom, the framework both sides have been fixedly connected with several
A first hairbrush, and the first hairbrush outer ledge is bonded to each other with dust suction tank inner body wall, first sheave side is set
There is the second sheave, and second sheave is equipped with first rotating shaft, the dust suction tank right over air intake duct, second sheave
At the top of chamber body and partition board inner cavity is fixedly connected with the second bearing being mutually matched with first rotating shaft, the first rotating shaft top
End is plugged on one of second bearing inner cavity, and the second sheave and another second bearing are run through in the first rotating shaft bottom end, and
It is fixedly connected with the first bevel gear, is connected by belt transmission between first sheave and the second sheave, in the air intake duct
Chamber is fixedly connected with fixed disc far from suction ventilator at one end, several leakage holes, the fixation are offered on the fixed disc
Plectane is fixedly connected with filter screen close to dust suction tank chamber body side, and the filter screen is extended to far from fixed disc side
Dust suction tank chamber body, the filter screen are equipped with motion bar far from fixed disc side, and the fixed disc is far from filter screen one
Side is equipped with fixed link, and the fixed link is fixedly connected on air-breathing tube cavity, and the motion bar is equipped with the far from filter screen side
Two bevel gears, and second bevel gear and the first bevel gear are intermeshed, second bevel gear is solid close to motion bar side
Surely it is connected with the second shaft, the fixed disc is fixedly connected with the third being mutually matched with the second shaft with fixed link inner cavity
Bearing, second shaft run through filter screen and two 3rd bearings far from motion bar one end, and the motion bar is close to filter screen
Side is fixedly connected with the second several hairbrush.
Preferably, first hairbrush and the second hairbrush are made of several glass fiber.
Preferably, the setting height of the partition board is higher than the setting height of air inlet pipe and air intake duct.
Preferably, the dust suction tank body bottom portion is fixedly connected with several support legs close to edge.
Preferably, the discharge nozzle is equipped with the control valve being mutually matched therewith.
Compared with prior art, the beneficial effects of the invention are as follows：
1, pass through the setting of motor, bull stick, framework and the first hairbrush so that it is more convenient that the cleaning of dust suction top tank structure is got up；
2, pass through the setting of the second hairbrush so that filter screen is avoiding surface energy while dust enters inside suction ventilator timely
It is cleared up, to ensure the normal use of filter screen, so that filter screen reaches better filter effect.
Description of the drawings
Fig. 1 is schematic structural view of the invention.
Fig. 2 is the enlarged drawing at A in Fig. 1.
Fig. 3 is the enlarged drawing at B in Fig. 1.
Figure label：1, dust suction tank ontology；2, discharge nozzle；3, control valve；4, support leg；5, air inlet pipe；6, air intake duct；7,
Suction ventilator；8, motor；9, partition board；10, bull stick；11, first bearing；12, framework；13, the first hairbrush；14, the first sheave；15,
Second sheave；16, first rotating shaft；17, second bearing；18, the first bevel gear；19, fixed disc；20, leakage hole；21, filter screen；
22, fixed link；23, the second shaft；24, motion bar；25, the second hairbrush；26,3rd bearing；27, the second bevel gear；28, skin
Band.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the present invention provides a kind of technical solution：A kind of cellulose acetate production dust suction tank, including inhale
Dirt tank ontology 1,1 bottom of dust suction tank ontology are fixedly connected with several support legs 4,1 bottom of dust suction tank ontology close to edge
Portion is plugged with discharge nozzle 2, and discharge nozzle 2 is equipped with the control valve 3 being mutually matched therewith, convenient to carry out control blowing to discharge nozzle 2,
1 both sides of dust suction tank ontology are plugged with air inlet pipe 5 and air intake duct 6 respectively, and air intake duct 6 is fixedly connected far from 1 one end of dust suction tank ontology
There are suction ventilator 7,1 top of dust suction tank ontology to be fixedly connected with motor 8,1 inner cavity of dust suction tank ontology is fixedly connected at top
Partition board 9, the setting height of partition board 9 are higher than the setting height of air inlet pipe 5 and air intake duct 6, the first sheave are equipped with right over partition board 9
14, partition board 9 is arranged right below framework 12, is equipped with bull stick 10 right over the first sheave 14, in 1 top of dust suction tank ontology and partition board 9
Chamber is fixedly connected with the first bearing 11 being mutually matched with bull stick 10, and 10 top of bull stick is plugged on one of first bearing 11
Inner cavity, and be fixedly connected with 8 power output end of motor, the first sheave 14 and another first bearing 11 are run through in 10 bottom end of bull stick,
And 12 top of framework is run through in 10 bottom end of bull stick, and it is fixedly connected on 12 intracavity bottom of framework, 12 both sides of framework have been fixedly connected with
Several first hairbrush 13, and 13 outer ledge of the first hairbrush is bonded to each other with 1 inner wall of dust suction tank ontology, 14 side of the first sheave
Equipped with the second sheave 15, and the second sheave 15 is equipped with first rotating shaft 16, dust suction tank right over air intake duct 6, the second sheave 15
1 inner cavity top of ontology and 9 inner cavity of partition board are fixedly connected with the second bearing 17 being mutually matched with first rotating shaft 16, first rotating shaft
16 tops are plugged on 17 inner cavity of one of second bearing, and 16 bottom end of first rotating shaft is through the second sheave 15 and another second axis
17 are held, and is fixedly connected with the first bevel gear 18, is sequentially connected by belt 28 between the first sheave 14 and the second sheave 15, is inhaled
6 inner cavity of tracheae is fixedly connected with fixed disc 19 far from 7 at one end of suction ventilator, several leakage holes are offered on fixed disc 19
20, fixed disc 19 is fixedly connected with filter screen 21 close to 1 inner cavity side of dust suction tank ontology, and filter screen 21 is far from fixed disc
19 sides extend to 1 inner cavity of dust suction tank ontology, and filter screen 21 is equipped with motion bar 24, fixed disc 19 far from 19 side of fixed disc
It is equipped with fixed link 22 far from 21 side of filter screen, and fixed link 22 is fixedly connected on 6 inner cavity of air intake duct, motion bar 24 is far from filtering
21 side of net is equipped with the second bevel gear 27, and the second bevel gear 27 and the first bevel gear 18 are intermeshed, and the second bevel gear 27 leans on
Nearly 24 side of motion bar is fixedly connected with the second shaft 23, and fixed disc 19 has been fixedly connected with and second with 22 inner cavity of fixed link
The 3rd bearing 26 that shaft 23 is mutually matched, the second shaft 23 run through filter screen 21 and two third axis far from 24 one end of motion bar
26 are held, motion bar 24 is fixedly connected with the second several hairbrush 25, the first hairbrush 13 and the second hairbrush close to 21 side of filter screen
25 are made of several glass fiber.
Operation principle：When in use, motor 8 is started by external power supply, motor 8 drives the first sheave 14 by bull stick 10
It is rotated with framework 12, framework 12 drives the first hairbrush 13 to clear up 1 inner wall of dust suction tank ontology, and the first sheave 14 passes through belt
28 drive the second sheave 15 to rotate, the second sheave 15 drive first rotating shaft 16, the first bevel gear 18 of drive of first rotating shaft 16, and first
Intermeshing second bevel gear 27 rotates the drive of bevel gear 18 therewith, the second bevel gear 27 the second shaft 23 of drive, second turn
Axis 23 drives motion bar 24 to rotate, and motion bar 24 drives the rotation of the second hairbrush 25, ash of second hairbrush 25 to 21 surface of filter screen
Dirt is cleared up so that and filter screen 21 is avoiding surface energy while dust enters 7 inside of suction ventilator from being cleared up in time, from
And ensure the normal use of filter screen 21, so that filter screen 21 reaches better filter effect.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of cellulose acetate production dust suction tank, including dust suction tank ontology（1）, it is characterised in that：The dust suction tank ontology
（1）Bottom is plugged with discharge nozzle（2）, the dust suction tank ontology（1）Both sides are plugged with air inlet pipe respectively（5）And air intake duct（6）, institute
State air intake duct（6）Far from dust suction tank ontology（1）One end is fixedly connected with suction ventilator（7）, the dust suction tank ontology（1）Top is fixed
It is connected with motor（8）, the dust suction tank ontology（1）Inner cavity is fixedly connected with partition board at top（9）, the partition board（9）Just
Top is equipped with the first sheave（14）, the partition board（9）It is arranged right below framework（12）, first sheave（14）Surface is equipped with
Bull stick（10）, the dust suction tank ontology（1）Top and partition board（9）Inner cavity has been fixedly connected with and bull stick（10）Be mutually matched
One bearing（11）, the bull stick（10）Top is plugged on one of first bearing（11）Inner cavity, and and motor（8）Power output
End is fixedly connected, the bull stick（10）The first sheave is run through in bottom end（14）With another first bearing（11）, and the bull stick
（10）Framework is run through in bottom end（12）Top, and it is fixedly connected on framework（12）Intracavity bottom, the framework（12）Both sides are fixed
It is connected with several the first hairbrush（13）, and first hairbrush（13）Outer ledge and dust suction tank ontology（1）Inner wall mutually pastes
It closes, first sheave（14）Side is equipped with the second sheave（15）, and second sheave（15）Close to air intake duct（6）, described
Second sheave（15）Surface is equipped with first rotating shaft（16）, the dust suction tank ontology（1）Inner cavity top and partition board（9）Inner cavity is solid
Surely it is connected with and first rotating shaft（16）The second bearing being mutually matched（17）, the first rotating shaft（16）Top grafting wherein one
A second bearing（17）Inner cavity, the first rotating shaft（16）The second sheave is run through in bottom end（15）With another second bearing（17）,
And it is fixedly connected with the first bevel gear（18）, first sheave（14）With the second sheave（15）Between pass through belt（28）Transmission
Connection, the air intake duct（6）Inner cavity is far from suction ventilator（7）At one end is fixedly connected with fixed disc（19）, the fixed disc
（19）On offer several leakage holes（20）, the fixed disc（19）Close to dust suction tank ontology（1）Inner cavity side is fixedly connected
There is filter screen（21）, and the filter screen（21）Far from fixed disc（19）Side extends to dust suction tank ontology（1）Inner cavity, it is described
Filter screen（21）Far from fixed disc（19）Side is equipped with motion bar（24）, the fixed disc（19）Far from filter screen（21）One
Side is equipped with fixed link（22）, and the fixed link（22）It is fixedly connected on air intake duct（6）Inner cavity, the motion bar（24）Far from mistake
Strainer（21）Side is equipped with the second bevel gear（27）, and second bevel gear（27）With the first bevel gear（18）Intermeshing,
Second bevel gear（27）Close to motion bar（24）Side is fixedly connected with the second shaft（23）, the fixed disc（19）With
Fixed link（22）Inner cavity has been fixedly connected with and the second shaft（23）The 3rd bearing being mutually matched（26）, second shaft
（23）Far from motion bar（24）Filter screen is run through in one end（21）With two 3rd bearings（26）, the motion bar（24）Close to filtering
Net（21）Side is fixedly connected with the second several hairbrush（25）.
2. a kind of cellulose acetate production dust suction tank according to claim 1, it is characterised in that：First hairbrush
（13）With the second hairbrush（25）It is made of several glass fiber.
3. a kind of cellulose acetate production dust suction tank according to claim 1, it is characterised in that：The partition board（9）'s
Setting height is higher than air inlet pipe（5）And air intake duct（6）Setting height.
4. a kind of cellulose acetate production dust suction tank according to claim 1, it is characterised in that：The dust suction tank ontology
（1）Bottom is fixedly connected with several support legs close to edge（4）.
5. a kind of cellulose acetate production dust suction tank according to claim 1, it is characterised in that：The discharge nozzle（2）
It is equipped with the control valve being mutually matched therewith（3）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810775807.0A CN108704912B (en) | 2018-07-16 | 2018-07-16 | Dust collection tank for cellulose acetate production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810775807.0A CN108704912B (en) | 2018-07-16 | 2018-07-16 | Dust collection tank for cellulose acetate production |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108704912A true CN108704912A (en) | 2018-10-26 |
| CN108704912B CN108704912B (en) | 2023-11-17 |
Family
ID=63874146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810775807.0A Active CN108704912B (en) | 2018-07-16 | 2018-07-16 | Dust collection tank for cellulose acetate production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108704912B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109499252A (en) * | 2018-12-25 | 2019-03-22 | 象山平悦环保科技有限公司 | Waste gas recovering device |
| CN110448964A (en) * | 2019-08-21 | 2019-11-15 | 大同新成新材料股份有限公司 | A kind of lithium battery pack assembling device and its method |
| CN110711442A (en) * | 2019-11-26 | 2020-01-21 | 清远楚江铜业有限公司 | Copper industry is waste gas smoke and dust treatment equipment for smelting pot convenient to clearance |
| CN114288779A (en) * | 2020-10-07 | 2022-04-08 | 张家港市智周工业技术有限公司 | Ventilation and air intake device for coating automobile |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991003328A1 (en) * | 1989-08-30 | 1991-03-21 | C.V.D. System Cleaners Corporation | Chemical vapor deposition system cleaner |
| US20020187912A1 (en) * | 2001-06-06 | 2002-12-12 | Waldrop Mark W. | Gel purge formulations and methods of cleaning extruders by using the same |
| CN104707811A (en) * | 2015-04-03 | 2015-06-17 | 合肥京东方光电科技有限公司 | Chamber cleaning device and control method thereof |
| CN106922106A (en) * | 2015-12-28 | 2017-07-04 | 韩忠忠 | A kind of television cabinet radiating dust arrester |
-
2018
- 2018-07-16 CN CN201810775807.0A patent/CN108704912B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991003328A1 (en) * | 1989-08-30 | 1991-03-21 | C.V.D. System Cleaners Corporation | Chemical vapor deposition system cleaner |
| US20020187912A1 (en) * | 2001-06-06 | 2002-12-12 | Waldrop Mark W. | Gel purge formulations and methods of cleaning extruders by using the same |
| CN104707811A (en) * | 2015-04-03 | 2015-06-17 | 合肥京东方光电科技有限公司 | Chamber cleaning device and control method thereof |
| US20160288173A1 (en) * | 2015-04-03 | 2016-10-06 | Boe Technology Group Co., Ltd. | Chamber cleaning apparatus and control method thereof |
| CN106922106A (en) * | 2015-12-28 | 2017-07-04 | 韩忠忠 | A kind of television cabinet radiating dust arrester |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109499252A (en) * | 2018-12-25 | 2019-03-22 | 象山平悦环保科技有限公司 | Waste gas recovering device |
| CN110448964A (en) * | 2019-08-21 | 2019-11-15 | 大同新成新材料股份有限公司 | A kind of lithium battery pack assembling device and its method |
| CN110711442A (en) * | 2019-11-26 | 2020-01-21 | 清远楚江铜业有限公司 | Copper industry is waste gas smoke and dust treatment equipment for smelting pot convenient to clearance |
| CN114288779A (en) * | 2020-10-07 | 2022-04-08 | 张家港市智周工业技术有限公司 | Ventilation and air intake device for coating automobile |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108704912B (en) | 2023-11-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108704912A (en) | A kind of cellulose acetate production dust suction tank | |
| CN201874898U (en) | Fan without blades | |
| CN211153692U (en) | Be used for fruit vegetables ferment filter equipment | |
| CN209451553U (en) | A kind of Environmental-protecting dust-removing equipment based on plant produced | |
| CN109876579A (en) | A kind of Weaving device weaving dirt collection device | |
| CN206324177U (en) | Integrate the device for being used to process konjaku dried, cleaned | |
| CN207831854U (en) | A kind of dietary fiber production drying device | |
| CN208407968U (en) | A kind of cellulose acetate production dust suction tank | |
| CN207462915U (en) | The dust-extraction unit of sugared technique on a kind of gel candy | |
| CN207540070U (en) | A kind of vertical new wind turbine | |
| CN107930949A (en) | A kind of energy-saving spray room for being used for bumper processing based on Internet of Things | |
| CN208082974U (en) | A kind of machine components cleaning device | |
| CN209173680U (en) | A kind of interior decoration environment-friendly type absorption dust-extraction unit | |
| CN209101072U (en) | A kind of health type lamp decoration of releasable negative oxygen ion | |
| CN208885618U (en) | A kind of range hood with self-cleaning function | |
| CN209609488U (en) | A kind of fresh air system of farm adjustable wind direction and removable odor function | |
| CN208618178U (en) | A kind of paper making pulp screening plant | |
| CN208959486U (en) | A kind of adjustable air cleaning unit of intake velocity | |
| CN207342401U (en) | A kind of lithium battery mixing raw materials equipment dust treatment device | |
| CN207728594U (en) | A kind of recyclable mute type ventilating fan | |
| CN110107979A (en) | A kind of smart home air humidifying device with dedusting function | |
| CN108905477A (en) | A kind of spinning and weaving workshop cleaner | |
| CN101897562A (en) | Dust collecting barrel of novel dust collector | |
| CN209049147U (en) | A kind of dry type polishing filter plant | |
| CN110748935A (en) | High-efficiency energy-saving range hood |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |