CN108096974A - A kind of adjustable for height mining dust-extraction unit of dust suction - Google Patents
A kind of adjustable for height mining dust-extraction unit of dust suction Download PDFInfo
- Publication number
- CN108096974A CN108096974A CN201711447117.4A CN201711447117A CN108096974A CN 108096974 A CN108096974 A CN 108096974A CN 201711447117 A CN201711447117 A CN 201711447117A CN 108096974 A CN108096974 A CN 108096974A
- Authority
- CN
- China
- Prior art keywords
- dust
- fixed
- water tank
- strainer
- cleaning case
- 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
Links
- 239000000428 dust Substances 0.000 title claims abstract description 51
- 238000000605 extraction Methods 0.000 title claims abstract description 22
- 238000005065 mining Methods 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 238000004140 cleaning Methods 0.000 claims abstract description 33
- 239000010865 sewage Substances 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims description 10
- 238000013016 damping Methods 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/02—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by distortion, beating, or vibration of the surface to be cleaned
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/22—Equipment for preventing the formation of, or for removal of, dust
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a kind of adjustable for height mining dust-extraction units of dust suction, including dust cleaning case, the dust cleaning case bottom is equipped with wheel, handle is fixed on the side wall of dust cleaning case, the bottom of dust cleaning case is fixed with sewage draining exit, vibrator is equipped in vibration cavity, water tank with strainer is internally provided with more exhaust pipes, aspiration pump is fixed in air pump chamber, air pump chamber is fixed on the top surface of water tank with strainer, the top of air pump chamber, which is equipped with, adjusts filter chamber, the centre for adjusting filter chamber is equipped with sliding cylinder, sliding groove is offered on sliding cylinder side wall, sliding block is arranged in sliding groove, multiple slide block connecting rods are connected on the inner wall of sliding block, the other end of slide block connecting rod is fixed on exhaust tube, the surrounding of sliding cylinder is fixed with filter plate；Flexibly movement can be achieved in the present invention, and the sliding cylinder of setting can realize the adjusting of dust-absorbing mouth height, and vibrator cooperation pot-shaped water tank with strainer easily facilitates the cleaning inside the later stage.
Description
Technical field
The present invention relates to a kind of mining ancillary equipment fields, are specifically a kind of adjustable for height mining dust-extraction unit of dust suction.
Background technology
During mining, due to machinery and artificial construction, larger dust is had, if can not remove in time,
Larger injury can be caused to the body of worker, and the flue dust floated is affected to air quality, therefore, in mining process
In usually need to use dust-extraction unit.
Dust-extraction unit currently on the market is typically all to be set using fixed air-breathing exhaust, inflexible for use, for mining
The mining dedusting operation process that face often changes not is very applicable, and can only the dust suction of level altitude position, it is impossible to be adjusted
The height of dust-absorbing mouth is saved, reduces the efficiency for inhaling ash filtering, wherein, it is also asked for dust-extraction unit inside in the presence of cleaning is inconvenient
Topic, thus we need it is a kind of can not only adjust dust-absorbing mouth height, but also can efficiently be convenient for clean dust-extraction unit.
The content of the invention
It is an object of the invention to provide a kind of adjustable for height mining dust-extraction unit of dust suction, to solve above-mentioned background technology
The problem of middle proposition.
To achieve the above object, the present invention provides following technical solution：
A kind of adjustable for height mining dust-extraction unit of dust suction, including wheel, wheel stand, dust cleaning case, damping spring, fixed frame,
Vibrator, vibration gasket, water tank with strainer, exhaust pipe, air pump chamber, aspiration pump, sliding block, sliding cylinder, sliding groove, slide block connecting rod, pumping
Tracheae, sealing ring, dust-absorbing mouth, filter plate, adjusting filter chamber, handle, air outlet pipe, vibration cavity, sewage draining exit, the dust cleaning case bottom
Equipped with wheel, the vehicle wheel rotation is fixed on wheel stand, and the bottom of dust cleaning case is fixed at the top of the wheel stand, described
Be fixed with handle on the side wall of dust cleaning case, the bottom of the dust cleaning case is fixed with sewage draining exit, the sewage draining exit in water tank with strainer
Portion is connected, and vibration cavity is equipped between the bottom of the water tank with strainer and dedusting chamber interior wall, vibrator is equipped in the vibration cavity,
The vibrator is fixed on fixed frame, and the fixed frame bottom is fixed on by damping spring inclination in vibration cavity, described to shake
The driving end of dynamic device is fixed with vibration gasket, and the water tank with strainer is internally provided with more exhaust pipes, and the exhaust bottom of the tube stretches into
The exhaust end of water tank with strainer bottom, the exhaust pipe top and aspiration pump is fixedly linked, and the aspiration pump is fixed in air pump chamber,
The air pump chamber is fixed on the top surface of water tank with strainer, and the center of the air pump chamber is equipped with air outlet pipe, the outlet bottom of the tube
Water tank with strainer inner top is stretched into, air pump chamber is pierced by the top of air outlet pipe, the top of the air pump chamber, which is equipped with, adjusts filter chamber, described
The centre for adjusting filter chamber is equipped with sliding cylinder, and sliding groove is offered on the sliding cylinder side wall, and card is set in the sliding groove
There is sliding block, multiple slide block connecting rods are connected on the inner wall of the sliding block, the other end of the slide block connecting rod is fixed on exhaust tube, institute
It states exhaust tube lower half to stretch into sliding cylinder, the first half of exhaust tube passes through the outer side bottom surface that sealing ring stretches out, the sealing ring
Top center is fixed on, the exhaust tube top is fixed with dust-absorbing mouth, and the surrounding of the sliding cylinder is fixed with filter plate.
As further embodiment of the present invention：The dust cleaning case is cylindric metal box.
As the further scheme of the present invention：The water tank with strainer is closed round pot shape.
As the further scheme of the present invention：The vibration gasket is arc-shaped rubber pad.
As the further scheme of the present invention：The sliding groove is the inside T-shaped groove of opening.
As the further scheme of the present invention：The sliding block is annulus rubber piston block.
As the further scheme of the present invention：Activated carbon is filled in the filter plate.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention can be moved dust cleaning case using handle and wheel
Move the arbitrary region for needing dedusting, very flexibly it is convenient, wherein, exhaust tube can in the sliding block of sliding cylinder on glide
Dynamic, sliding block is arranged to annulus rubber piston block, using frictional force exhaust tube can be allowed to slide up and down and protect under drag force
It holds so that the suction ash height of dust-absorbing mouth has the function of adjustable height, adapts to that different dust areas are carried out to inhale grey work, the scope of application is more
Add extensively, and the sludge that the vibrator set on water tank with strainer bottom surface can be deposited water tank with strainer inner wall by high-frequency vibration
Water tank with strainer bottom is shaken off, and is discharged by sewage draining exit, easily facilitates the cleaning of dust cleaning case self-filtering water tank.
Description of the drawings
Fig. 1 is the structure diagram of the adjustable for height mining dust-extraction unit of dust suction.
Fig. 2 is the structure diagram of the adjustable for height mining dust-extraction unit rearview of dust suction.
Fig. 3 is the structure diagram of sliding cylinder in the adjustable for height mining dust-extraction unit of dust suction.
In figure：Wheel 1, wheel stand 2, dust cleaning case 3, damping spring 4, fixed frame 5, vibrator 6, vibration gasket 7, filtering
Water tank 8, exhaust pipe 9, air pump chamber 10, aspiration pump 11, sliding block 12, sliding cylinder 13, sliding groove 14, slide block connecting rod 15, exhaust tube 16,
Sealing ring 17, dust-absorbing mouth 18, filter plate 19, adjusting filter chamber 20, handle 21, air outlet pipe 22, vibration cavity 23, sewage draining exit 24.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment belongs to the scope of protection of the invention.
Please refer to Fig.1~3, in the embodiment of the present invention, a kind of adjustable for height mining dust-extraction unit of dust suction, including wheel 1,
Wheel stand 2, dust cleaning case 3, damping spring 4, fixed frame 5, vibrator 6, vibration gasket 7, water tank with strainer 8, exhaust pipe 9, air pump
Room 10, aspiration pump 11, sliding block 12, sliding cylinder 13, sliding groove 14, slide block connecting rod 15, exhaust tube 16, sealing ring 17, dust-absorbing mouth 18,
Filter plate 19 adjusts filter chamber 20, handle 21, air outlet pipe 22, vibration cavity 23, sewage draining exit 24, and 3 bottom of dust cleaning case is equipped with vehicle
Wheel 1, the rotation of wheel 1 are fixed on wheel stand 2, and 2 top of wheel stand is fixed on the bottom of dust cleaning case 3, described
Handle 21 is fixed on the side wall of dust cleaning case 3, the dust cleaning case 3 is cylindric metal box, and the bottom of the dust cleaning case 3 is fixed
There is sewage draining exit 24, for the sewage draining exit 24 with being connected inside water tank with strainer 8, the water tank with strainer 8 is closed round pot shape, described
Vibration cavity 23 is equipped between 3 inner wall of bottom and dust cleaning case of water tank with strainer 8, vibrator 6 is equipped in the vibration cavity 23, it is described to shake
Dynamic device 6 is fixed on fixed frame 5, and 5 bottom of fixed frame is fixed on by the inclination of damping spring 4 in vibration cavity 23, described to shake
The driving end of dynamic device 6 is fixed with vibration gasket 7, and the vibration gasket 7 is arc-shaped rubber pad, is set inside the water tank with strainer 8
There are more exhaust pipes 9,8 bottom of water tank with strainer, 9 top of exhaust pipe and the row of aspiration pump 11 are stretched into 9 bottom of exhaust pipe
Gas end is fixedly linked, and the aspiration pump 11 is fixed in air pump chamber 10, and the air pump chamber 10 is fixed on 8 top surface, the air pump
The center of room 10 is equipped with air outlet pipe 22, and 8 inner tops are stretched into 22 bottom of air outlet pipe, and the top of air outlet pipe 22 is pierced by air pump
Room 10, the top of the air pump chamber 10, which is equipped with, adjusts filter chamber 20, and the centre for adjusting filter chamber 20 is equipped with sliding cylinder
13, offer sliding groove 14 on 13 side wall of sliding cylinder, the sliding groove 14 is the inside T-shaped groove of opening, the slip
Sliding block 12 is arranged in slot 14, the sliding block 12 is annulus rubber piston block, and multiple sliding blocks are connected on the inner wall of the sliding block 12
Connecting rod 15, the other end of the slide block connecting rod 15 are fixed on exhaust tube 16, and sliding cylinder 13 is stretched into 16 lower half of exhaust tube
Interior, the first half of exhaust tube 16 stretches out 3 outer side bottom surface through sealing ring 17, and the sealing ring 17 is fixed on 3 top center positions
It puts, 16 top of exhaust tube is fixed with dust-absorbing mouth 18, and the dust-absorbing mouth 18 is the infundibulate of opening upwards, the sliding cylinder 13
Surrounding be fixed with filter plate 19, activated carbon is filled in the filter plate 19.
The present invention operation principle be：During work, being moved to dust cleaning case 3 using handle 21 and wheel 1 needs dedusting
Then aspiration pump 11 is opened in region, while ensure that sewage draining exit 24 is in and close, and air outlet pipe 22 is in connected state, aspiration pump 11
From adjust filter chamber 20 in pumping be discharged into 8, adjust filter chamber 20 in generate negative pressure, exhaust tube 16 open up by dust-absorbing mouth 18 from
Air-breathing in air, the cavity containing a large amount of dusts first passes around 13 top of sliding cylinder and pours in filter plate 19, in the mistake that multilayer is set
Under filter plate 19 filters, gas is entered by adjusting filter chamber 20 in 8 under the extraction of aspiration pump 11, and the water inside 8 can be very good
Dust in dissolved air, the air after filtering are discharged along air outlet pipe 22 in dust cleaning case 3, and this completes normal dedusting works
Make, wherein, exhaust tube 16 can slide up and down in the sliding block 12 of sliding cylinder 13, and sliding block 12 is arranged to annulus rubber piston block,
Using frictional force exhaust tube 16 can be allowed to slide up and down and keep under drag force, as a result, the suction ash height of dust-absorbing mouth 18
Just adjustable height function is provided with, adapts to that different dust areas are carried out inhaling grey work, the scope of application is more extensive, and water tank with strainer
The sludge that 8 inner wall of water tank with strainer deposits can be shaken off water tank with strainer 8 by the vibrator 6 set on 8 bottom surfaces by high-frequency vibration
Bottom, and discharged by sewage draining exit 24, easily facilitate the cleaning of 3 self-filtering water tank 8 of dust cleaning case.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requirement rather than above description limit, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.Any reference numeral in claim should not be considered as to the involved claim of limitation.
Moreover, it will be appreciated that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
Using specification as an entirety, the technical solutions in each embodiment can also be properly combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (7)
1. a kind of adjustable for height mining dust-extraction unit of dust suction, including wheel (1), wheel stand (2), dust cleaning case (3), damping bullet
Spring (4), fixed frame (5), vibrator (6), vibration gasket (7), water tank with strainer (8), exhaust pipe (9), air pump chamber (10), aspiration pump
(11), sliding block (12), sliding cylinder (13), sliding groove (14), slide block connecting rod (15), exhaust tube (16), sealing ring (17), dust-absorbing mouth
(18), filter plate (19), adjusting filter chamber (20), handle (21), air outlet pipe (22), vibration cavity (23), sewage draining exit (24), it is special
Sign is that dust cleaning case (3) bottom is equipped with wheel (1), and the wheel (1) rotates and is fixed on wheel stand (2), the vehicle
The bottom of dust cleaning case (3) is fixed at the top of wheel support (2), handle (21) is fixed on the side wall of the dust cleaning case (3), it is described to remove
The bottom of dirt case (3) is fixed with sewage draining exit (24), and the sewage draining exit (24) inside water tank with strainer (8) with being connected, the filtering
Vibration cavity (23) is equipped between the bottom of water tank (8) and dust cleaning case (3) inner wall, vibrator (6) is equipped in the vibration cavity (23),
The vibrator (6) is fixed on fixed frame (5), and fixed frame (5) bottom is fixed on vibration by damping spring (4) inclination
In chamber (23), the driving end of the vibrator (6) is fixed with vibration gasket (7), and the water tank with strainer (8) is internally provided with more rows
Water tank with strainer (8) bottom, exhaust pipe (9) top and aspiration pump (11) are stretched into tracheae (9), exhaust pipe (9) bottom
Exhaust end is fixedly linked, and the aspiration pump (11) is fixed in air pump chamber (10), and the air pump chamber (10) is fixed on water tank with strainer
(8) top surface, the center of the air pump chamber (10) are equipped with air outlet pipe (22), and drainage was stretched into air outlet pipe (22) bottom
Case (8) inner top is pierced by air pump chamber (10) at the top of air outlet pipe (22), and the top of the air pump chamber (10), which is equipped with, adjusts filter chamber
(20), the centre for adjusting filter chamber (20) is equipped with sliding cylinder (13), and cunning is offered on sliding cylinder (13) side wall
Dynamic slot (14), the sliding groove (14) is interior to be arranged with sliding block (12), and multiple slide block connecting rods are connected on the inner wall of the sliding block (12)
(15), the other end of the slide block connecting rod (15) is fixed on exhaust tube (16), and slip is stretched into exhaust tube (16) lower half
In cylinder (13), the first half of exhaust tube (16) stretches out the outer side bottom surface of (3) through sealing ring (17), and the sealing ring (17) is fixed
In (3) top center, exhaust tube (16) top is fixed with dust-absorbing mouth (18), and the surrounding of the sliding cylinder (13) is fixed
There is filter plate (19).
2. the adjustable for height mining dust-extraction unit of dust suction according to claim 1, which is characterized in that the dust cleaning case (3)
For cylindric metal box.
3. the adjustable for height mining dust-extraction unit of dust suction according to claim 1, which is characterized in that the water tank with strainer
(8) it is closed round pot shape.
4. the adjustable for height mining dust-extraction unit of dust suction according to claim 1, which is characterized in that the vibration gasket
(7) it is arc-shaped rubber pad.
5. the adjustable for height mining dust-extraction unit of dust suction according to claim 1, which is characterized in that the sliding groove (14)
For the T-shaped groove that opening is inside.
6. the adjustable for height mining dust-extraction unit of dust suction according to claim 1, which is characterized in that the sliding block (12) is
Annulus rubber piston block.
7. the adjustable for height mining dust-extraction unit of dust suction according to claim 1, which is characterized in that the filter plate (19)
It is interior to be filled with activated carbon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711447117.4A CN108096974A (en) | 2017-12-27 | 2017-12-27 | A kind of adjustable for height mining dust-extraction unit of dust suction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711447117.4A CN108096974A (en) | 2017-12-27 | 2017-12-27 | A kind of adjustable for height mining dust-extraction unit of dust suction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108096974A true CN108096974A (en) | 2018-06-01 |
Family
ID=62213668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711447117.4A Pending CN108096974A (en) | 2017-12-27 | 2017-12-27 | A kind of adjustable for height mining dust-extraction unit of dust suction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108096974A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109882169A (en) * | 2019-04-16 | 2019-06-14 | 付玉荣 | A kind of new-type adjustable mining device |
| CN111728538A (en) * | 2020-07-02 | 2020-10-02 | 宝鸡文理学院 | Cleaning mechanism for household floor sweeping robot |
| CN111939690A (en) * | 2020-08-25 | 2020-11-17 | 浙江海洋大学 | Dust falling device |
| CN115217477A (en) * | 2022-07-11 | 2022-10-21 | 四川宏华石油设备有限公司 | Ore pulp lifting unit, ore pulp lifting device, mining device and mining system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201603453U (en) * | 2009-09-27 | 2010-10-13 | 中国石油集团西部钻探工程有限公司吐哈录井工程公司 | Vibrating rock debris washing and sewage purifying device |
| CN203582980U (en) * | 2013-11-25 | 2014-05-07 | 广西贺州金广稀土新材料有限公司 | Electric lifting type dust collection cover of rare earth metal electrolysis furnace |
| CN107413154A (en) * | 2017-08-01 | 2017-12-01 | 夏峰 | A kind of continuous controlling device of skyscraper haze and its construction method |
-
2017
- 2017-12-27 CN CN201711447117.4A patent/CN108096974A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201603453U (en) * | 2009-09-27 | 2010-10-13 | 中国石油集团西部钻探工程有限公司吐哈录井工程公司 | Vibrating rock debris washing and sewage purifying device |
| CN203582980U (en) * | 2013-11-25 | 2014-05-07 | 广西贺州金广稀土新材料有限公司 | Electric lifting type dust collection cover of rare earth metal electrolysis furnace |
| CN107413154A (en) * | 2017-08-01 | 2017-12-01 | 夏峰 | A kind of continuous controlling device of skyscraper haze and its construction method |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109882169A (en) * | 2019-04-16 | 2019-06-14 | 付玉荣 | A kind of new-type adjustable mining device |
| CN109882169B (en) * | 2019-04-16 | 2020-06-23 | 金剑 | Adjustable mining device |
| CN111728538A (en) * | 2020-07-02 | 2020-10-02 | 宝鸡文理学院 | Cleaning mechanism for household floor sweeping robot |
| CN111728538B (en) * | 2020-07-02 | 2021-08-06 | 宝鸡文理学院 | Cleaning mechanism for household floor sweeping robot |
| CN111939690A (en) * | 2020-08-25 | 2020-11-17 | 浙江海洋大学 | Dust falling device |
| CN115217477A (en) * | 2022-07-11 | 2022-10-21 | 四川宏华石油设备有限公司 | Ore pulp lifting unit, ore pulp lifting device, mining device and mining system |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20180601 |