CN111085420A - Screening device - Google Patents
Screening device Download PDFInfo
- Publication number
- CN111085420A CN111085420A CN202010023441.9A CN202010023441A CN111085420A CN 111085420 A CN111085420 A CN 111085420A CN 202010023441 A CN202010023441 A CN 202010023441A CN 111085420 A CN111085420 A CN 111085420A
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- China
- Prior art keywords
- screen
- wall
- cylinder
- screening device
- bolt
- 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
- 238000012216 screening Methods 0.000 title claims abstract description 36
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 37
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 37
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 37
- 241001330002 Bambuseae Species 0.000 claims abstract description 35
- 239000011425 bamboo Substances 0.000 claims abstract description 35
- 230000001681 protective effect Effects 0.000 claims description 11
- 241000196324 Embryophyta Species 0.000 claims description 7
- 238000011144 upstream manufacturing Methods 0.000 claims description 6
- 238000010030 laminating Methods 0.000 claims description 2
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 4
- 241000209128 Bambusa Species 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING 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
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/18—Drum screens
- B07B1/22—Revolving drums
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING 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
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING 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
- B07B2201/00—Details applicable to machines for screening using sieves or gratings
- B07B2201/04—Multiple deck screening devices comprising one or more superimposed screens
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention provides a screening device which comprises a rotating shaft, wherein at least one cylindrical or conical screen cylinder is sleeved on the rotating shaft, the bottom of one end of the screen cylinder is high, the bottom of the other end of the screen cylinder is low, the inner end of a connecting rod is connected with the rotating shaft, and the outer end of the connecting rod is detachably connected with the wall of the screen cylinder. The connecting rod is connected to the dismantlement formula in the above-mentioned scheme and the section of thick bamboo wall is convenient for the installation and the dismantlement of a sieve section of thick bamboo, and when a sieve section of thick bamboo wearing and tearing were serious, sieve section of thick bamboo in can dismantling wearing and tearing fast and more renew need not to change pivot and connecting rod and other sieve section of thick bamboos like this, the waste of the resource that has significantly reduced. And any one-level screen drum can be conveniently and quickly replaced when a problem is found in the using process.
Description
Technical Field
The invention relates to the field of material separation, in particular to a screening device.
Background
In the production and manufacturing process of each industry, separation is often required according to the size of granular materials, and when the particle size number of the materials to be separated is three or more, the materials need to be screened in multiple stages.
Screening plant is generally flat screen or drum sieve, wherein multistage drum sieve is including coaxial arrangement in the epaxial sieve section of thick bamboo of commentaries on classics, the mesh aperture of a sieve section of thick bamboo diminishes from inner tube to urceolus, carry whole materials to the inner tube chamber during screening, the sieve pore on the rethread section of thick bamboo wall sieves the material step by step, the material impact size diverse that a sieve section of thick bamboo bore like this, wherein the inner tube receives the material impact the biggest, screening plant uses at different levels sieve section of thick bamboo wearing and tearing degree also diverse after for a long time, when the serious needs of inner tube wearing and tearing are changed, other sieve section of thick bamboo wearing and. Generally, the screen cylinders and the rotating shaft in the prior art are welded through spoke rods, and all the screen cylinders are replaced when the inner cylinder is seriously abraded, so that huge waste is caused.
Disclosure of Invention
The invention aims to provide a screening device with a screen cylinder which is convenient to disassemble and assemble and is beneficial to replacing the screen cylinder with serious abrasion.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a screening plant, includes the pivot, overlaps in the pivot at least and establishes a sieve section of thick bamboo of drum or conical cylinder type, and the one end bobbin base of a sieve section of thick bamboo is high, the other end bobbin base is low, and the inner end of connecting rod links to each other with the pivot, and the outer end constitutes the dismantlement formula with the section of thick bamboo wall of a sieve section of thick bamboo and is connected.
The connecting rod is connected to the dismantlement formula in the above-mentioned scheme and the section of thick bamboo wall is convenient for the installation and the dismantlement of a sieve section of thick bamboo, and when a sieve section of thick bamboo wearing and tearing were serious, sieve section of thick bamboo in can dismantling wearing and tearing fast and more renew need not to change pivot and connecting rod and other sieve section of thick bamboos like this, the waste of the resource that has significantly reduced. And any one-level screen drum can be conveniently and quickly replaced when a problem is found in the using process.
Drawings
FIGS. 1 and 2 are schematic structural views of two types of cartridges according to the present invention;
FIGS. 3, 5, 7, 9, 10, 11, and 12 are schematic structural views of various embodiments of the present invention;
FIGS. 4, 6 and 8 are enlarged partial views of FIGS. 3, 5 and 7;
fig. 13, 14, 15 and 16 are schematic structural views of bolts and inclined pads.
Detailed Description
As shown in fig. 1-12, a screening device comprises a rotating shaft 20, at least one cylindrical or conical screen cylinder 10 is sleeved on the rotating shaft 20, one end of the screen cylinder 10 is high, the other end is low, the inner end of a connecting rod 30 is connected with the rotating shaft 20, and the outer end is detachably connected with the wall of the screen cylinder 10.
Above-mentioned scheme is applicable to multistage or single-stage screening, the pivot 20 of the sieve section of thick bamboo 10 of cylinder type is put to one side, the pivot 20 of the sieve section of thick bamboo 10 of circular cone type is put horizontally, detachable connection has guaranteed that screening plant can install fast, sieve section of thick bamboo 10 wearing and tearing are serious and other sieve section of thick bamboo 10 and pivot 20 still can continue to use in it after screening plant uses a period, sieve section of thick bamboo 10 dismantles then changes new interior sieve section of thick bamboo 10 this moment in with, need not to change pivot 20 and connecting rod 30 and other sieve section of thick bamboo 10 like this, the waste of resource has significantly reduced.
The inner end of the connecting rod 30 is welded or in threaded connection with the rotating shaft 20, the outer end of the connecting rod 30 is provided with a threaded hole connected with the connecting bolt 40, the screen cylinder 10 is provided with a through hole for the connecting bolt 40 to pass through, and the cylinder wall is restrained and fixed between the outer end of the connecting rod 30 and the bolt head 41. In the above scheme, the bolt head 41 is located at the outer side of the wall of the screen cylinder 10, so that the screen cylinder 10 can be disassembled and assembled layer by screwing the bolt head 41 at the outer side of the screen cylinder 10 when the screen cylinder 10 is disassembled and assembled, and the operation by personnel is facilitated.
The inner end of the connecting rod 30 is in threaded connection with the threaded hole on the rotating shaft 20, the rod body of the connecting rod 30 penetrates through the through hole on the screen cylinder 10, and the rod head at the outer end is restrained and fixed on the outer cylinder wall of the screen cylinder 10, and the rod head is in an inner square or outer square shape. Connecting rod 30 also can be dismantled like this, and the screening plant split of being convenient for becomes the part transportation to also can the new connecting rod 30 of quick replacement when connecting rod 30 damages, the pole head of connecting rod indicates the structure of being convenient for instrument centre gripping screwing up such as hexagon socket head, outer hexagon, interior square hole, outer square pole, interior flat hole, outer flat pole for interior side or foreign side shape.
The first embodiment is as follows: as shown in fig. 3 and 4, the outer end of the connecting bolt 40 has a threaded hole, and a bolt is inserted through the through hole on the adjacent outer screen cylinder 10 and connected with the threaded hole of the connecting bolt 40 on the inner screen cylinder 10. Therefore, the multilayer screen cylinder 10 is coaxially fixed on the connecting rod 30 through the connecting bolts 40 which are connected end to end in series, and the concentricity of the multilayer screen cylinder 10 is ensured. The outermost end may be directly attached using conventional bolts, as shown in fig. 4.
Example two: as shown in fig. 9, the connecting bolts 40 sequentially pass through the through holes on all the screen cylinders 10 to be connected with the threaded holes on the connecting rods 30, and the outer end rod heads of the connecting bolts 40 are tightly connected with the outer cylinder wall of the outermost screen cylinder 10. That is, each layer of the screen cylinder 10 is connected to the connecting rod 30 through an independent connecting bolt 40, and since the inner wall of the screen cylinder 10 is mainly stressed by the material pressure, the structural strength of the screening device can be ensured only by pressing the outer end rod head of the bolt against the outer cylinder wall of the screen cylinder 10.
Example three: as shown in fig. 10, the connecting bolts 40 on the screen cylinder 10 sequentially pass through the through holes on all the screen cylinders 10 and the inner ends of the connecting bolts are connected with the threaded holes on the rotating shaft 20. That is, each screen cylinder 10 is connected to the rotary shaft 20 by a separate connecting bolt 40, so that when one connecting bolt 40 is damaged, the constraint condition of the other screen cylinders 10 is not affected and the operation condition of the other screen cylinders 10 is ensured, and the connecting bolt 40 can be simultaneously used as the connecting rod 30 of the screening device.
Example four: as shown in fig. 5 and 6, a nut 11 is fixedly arranged on the wall of the screen cylinder 10, and the connecting bolt 40 passes through a through hole on the outer screen cylinder 10 to be connected with the nut 11 on the inner screen cylinder 10. That is, adjacent screen cylinders 10 are directly connected with the nuts 11 through the connecting bolts 40, the structure is simple, and the connecting bolts 40 are easy to align when being installed in a short length.
Example five: as shown in fig. 11, the inner end of the connecting bolt 40 is screwed to the rotating shaft 20, the middle section of the connecting bolt 40 has a boss 42, the boss 42 is pressed on the outer wall of the inner screen cylinder 10, so that the inner screen cylinder 10 is fixed on the rotating shaft 20, and the outer section of the connecting bolt 40 extends out to form an end support rod for connecting other screen cylinders 10.
The outer end of the connecting bolt 40 is abutted against the inner wall of the screen drum 10 and is provided with a threaded hole, the locking bolt 43 is connected with the threaded hole of the connecting bolt 40, and the drum wall is restrained and fixed between the outer end of the connecting bolt 40 and the locking bolt 43. The outer screen drum 10 is connected to the outer end of the connecting bolt 40 through the locking bolt 43, and the screen drum 10 is convenient and fast and high in concentricity.
The outer end of the locking bolt 43 is provided with a threaded hole, the inner end thread of the connecting bolt 40 is connected with the threaded hole of the locking bolt 43, and the boss 42 on the connecting bolt 40 is pressed on the outer wall of the screen drum 10 outside the locking bolt 43. When the number of the screen cylinders 10 is large, the multi-layer screen cylinders 10 can be coaxially fixed on the rotating shaft 20 by connecting the locking bolts 43 and the connecting bolts 40 in series end to end, so that the concentricity of the multi-layer screen cylinders 10 is ensured. In order to facilitate the rotation operation, the boss 42 may be arranged in a square or hexagonal shape in the circumferential direction.
Example six: as shown in fig. 12, the inner end of the connecting bolt 40 is screwed to the rotating shaft 20 or the connecting rod 30, the connecting bolt 40 passes through the through hole on the multi-layer screen cylinder 10, a locking nut 44 is arranged on the screw section of the connecting bolt 40 corresponding to each layer of screen cylinder 10, and the locking nut 44 is locked and pressed on the outer wall of the screen cylinder 10 along the screw of the connecting bolt 40. When the connecting bolt 40 passes through one layer of the screen cylinder 10, the locking nut 44 is screwed on the screw rod to the corresponding position, after the connecting bolt 40 is connected on the rotating shaft 20 or the connecting rod 30, the locking nut 44 is screwed to be pressed on the outer wall of each layer of the screen cylinder 10 to restrain the cylinder wall of the screen cylinder 10, as a plurality of connecting bolts 40 are arranged in the circumferential direction of the rotating shaft, namely the locking nuts 44 are arranged in all directions to restrain the cylinder wall of the screen cylinder 10, the screen cylinder 10 can be ensured to be fixed on the rotating shaft 20 only by restraining the outer wall of the screen cylinder 10. Meanwhile, each installation position of the scheme can be connected with all the screen cylinders 10 in series only by one complete connecting bolt 40, so that the number of parts is reduced, and the connection strength and the concentricity of the screen cylinders 10 are improved. In the above scheme, the connecting bolt 40 may be a screw rod, and the outermost end of the connecting bolt is fixed by screwing in a nut, so that the connecting bolt is more convenient to mount and dismount.
As shown in fig. 7 and 8, the inner side and the outer side of the through hole on the wall of the conical-cylinder-shaped screen cylinder 10 are provided with the inclined pads 60, the middle part of the inclined pads 60 is provided with a through hole 61 for the connection bolt 40 to pass through, one surface of the inclined pads 60 is attached to the wall of the screen cylinder 10, and the other surface is parallel to the axis of the rotating shaft 20. Because the wall of the conical cylinder type screen cylinder 10 has a certain inclination relative to the axial core of the rotating shaft 20, if the bolt 40 and the connecting rod 30 are installed in a way that the length direction is perpendicular to the wall, the gravity of the screen cylinder 10 can generate a certain bending force on the bolt 40 and the connecting rod 30 to influence the structural strength of the screening device, and therefore the inclined pad 60 is arranged at the connecting position of the wall to eliminate the inclination so as to ensure that the length direction of the connecting rod 30 and the bolt 40 is perpendicular to the axial core of the rotating shaft 20, so that the installation of the bolt 40 and the connecting rod 30 is facilitated, and the structural strength of the screening device is improved.
The upstream end dismantlement formula of pivot 20 is provided with the rotary drum 70 that the wheel core direction is unanimous with pivot 20 axle core direction, and the one end of rotary drum 70 is feed inlet 71 intercommunication innermost sieve section of thick bamboo 10's section of thick bamboo chamber and outside, and both sides below rotary drum 70 are provided with the supporting wheel 80 that the wheel core direction is unanimous with pivot 20 axle core direction, and two supporting wheel 80 wheel faces and the laminating of rotary drum 70 tube face, and the upstream end of pivot 20 is located the section of thick bamboo intracavity of innermost sieve section of thick bamboo 10. In the above scheme, the power mechanism may be disposed at the downstream end of the rotating shaft 20, the upstream end of the innermost screen drum 10 is a feeding end, and if the rotating shaft 20 is suspended from the feeding end and connected to a bearing, the feeding is interfered, so that the upstream end of the rotating shaft 20 is disposed in the drum cavity of the innermost screen drum 10, the supporting wheel 80 and the rotating drum 70 constitute a driven mechanism to avoid the feeding interference, and the connection manner between the rotating drum 70 and the rotating shaft 20 is the same as the connection manner between the screen drum 10 and the rotating shaft 20.
An outer protective cylinder 50 is arranged on the outer side of the outermost screen cylinder 10, and the outer protective cylinder 50 is detachably connected with the rotating shaft or the inner screen cylinder 10. The arrangement of the outer protective cylinder 50 can effectively reduce the raised ash during the operation of the screening device.
A retaining ring 51 with the same axial direction as the rotating shaft 20 is arranged on the outer side wall of the outer protective cylinder 50 connected with the cylindrical screen cylinder 10, a retaining wheel 90 with the wheel core direction in the vertical direction is arranged below the outer protective cylinder 50, and the wheel surface of the retaining wheel 90 is attached to the downstream side surface of the retaining ring 21. In the above scheme, when the outermost side of the screening device is the outer protective cylinder 50, the retaining ring 21 is arranged on the outer protective cylinder 50, and when the outermost side of the screening device is the screen cylinder 10, the retaining ring 21 is arranged on the outermost screen cylinder 10.
Claims (15)
1. The utility model provides a screening plant, includes pivot (20), and at least the cover is established a sieve section of thick bamboo (10) of drum or circular cone cylinder type in pivot (20), and the one end bobbin base of a sieve section of thick bamboo (10) is high, the other end bobbin base is low, its characterized in that: the inner end of the connecting rod (30) is connected with the rotating shaft (20), and the outer end of the connecting rod is detachably connected with the wall of the screen drum (10).
2. A screening device according to claim 1, wherein: the inner end of the connecting rod (30) is welded or in threaded connection with the rotating shaft (20), a threaded hole is formed in the outer end of the connecting rod (30) and connected with the connecting bolt (40), a through hole is formed in the screen cylinder (10) and used for the connecting bolt (40) to pass through, and the cylinder wall is restrained and fixed between the outer end of the connecting rod (30) and the bolt head (41).
3. A screening device according to claim 1, wherein: the inner end of the connecting rod (30) is in threaded connection with the threaded hole in the rotating shaft (20), the rod body of the connecting rod (30) penetrates through the through hole in the screen cylinder (10), the rod head at the outer end of the connecting rod is restrained and fixed on the outer cylinder wall of the screen cylinder (10), and the rod head is in an inner square or outer square shape.
4. A screening device according to claim 2, wherein: the outer end of the connecting bolt (40) is provided with a threaded hole, and a through hole on the adjacent outer screen cylinder (10) is provided with a bolt in a penetrating way to be connected with the threaded hole of the connecting bolt (40) on the inner screen cylinder (10).
5. A screening device according to claim 2, wherein: the connecting bolts (40) sequentially penetrate through the through holes in all the screen drums (10) to be connected with the threaded holes in the connecting rods (30), and outer end rod heads of the connecting bolts (40) are in compression connection with the outer drum wall of the outermost screen drum (10).
6. A screening device according to claim 3, wherein: and the connecting bolts (40) on the screen cylinder (10) sequentially penetrate through the through holes on all the screen cylinders (10) and the inner ends of the through holes are connected with the threaded holes on the rotating shaft (20).
7. A screening device according to claim 1, wherein: the wall of the screen drum (10) is fixedly provided with a nut (11), and a connecting bolt (40) penetrates through a through hole in the outer screen drum (10) to be connected with the nut (11) in the inner screen drum (10).
8. A screening device according to claim 1, wherein: the inner end of the connecting bolt (40) is in threaded connection with the rotating shaft (20), a boss (42) is arranged in the middle section of the connecting bolt (40), and the boss (42) is pressed on the outer wall of the inner screen drum (10).
9. A screening device according to claim 8, wherein: the outer end of the connecting bolt (40) abuts against the inner wall of the screen drum (10) and is provided with a threaded hole, the locking bolt (43) is connected with the threaded hole of the connecting bolt (40), and the drum wall is restrained and fixed between the outer end of the connecting bolt (40) and the locking bolt (43).
10. A screening device according to claim 9, wherein: the outer end of the locking bolt (43) is provided with a threaded hole, the inner end of the connecting bolt (40) is connected with the threaded hole of the locking bolt (43), and the boss (42) on the connecting bolt (40) is pressed on the outer wall of the screen drum (10) on the outer side of the locking bolt (43).
11. A screening device according to claim 1, wherein: the inner end of the connecting bolt (40) is in threaded connection with the rotating shaft (20) or the connecting rod (30), the connecting bolt (40) penetrates through a through hole in the multilayer screen drum (10), a locking nut (44) is arranged on a screw section of the connecting bolt (40) corresponding to each layer of screen drum (10), and the locking nut (44) is tightly pressed on the outer wall of the screen drum (10) along the screw lock of the connecting bolt (40).
12. A screening device according to claim 7, wherein: inclined pads (60) are arranged on the inner side and the outer side of a through hole in the wall of the conical screen cylinder (10), a through hole (61) for a connecting bolt (40) to pass through is formed in the middle of each inclined pad (60), one surface of each inclined pad (60) is attached to the wall of the screen cylinder (10), and the other surface of each inclined pad is parallel to the axis of the rotating shaft (20).
13. A screening device according to claim 1, wherein: the utility model discloses a sieve tube, including pivot (20), the upstream end dismantlement formula of pivot (20) is provided with a rotary drum (70) that wheel core direction and pivot (20) axle core direction are unanimous, the one end of rotary drum (70) is feed inlet (71) and communicates the section of thick bamboo chamber and the outside of an innermost sieve section of thick bamboo (10), rotary drum (70) below both sides are provided with supporting wheel (80) that wheel core direction and pivot (20) axle core direction are unanimous, two supporting wheel (80) wheel faces and the laminating of rotary drum (70) tube face, the upstream end of pivot (20) is located the section of thick bamboo intracavity of an innermost sieve section of thick bamboo (10).
14. A screening device according to claim 1, wherein: an outer protective cylinder (50) is arranged on the outer side of the outermost screen cylinder (10), and the outer protective cylinder (50) is detachably connected with the rotating shaft or the inner screen cylinder (10).
15. A screening device according to claim 1 or 14, wherein: the outer side wall of an outer protective cylinder (50) connected with the cylindrical screen cylinder (10) is provided with a retainer ring (51) of which the axial direction is consistent with the axial direction of the rotating shaft (20), a retaining wheel (90) of which the wheel core direction is in the vertical direction is arranged below the outer protective cylinder (50), and the wheel surface of the retaining wheel (90) is attached to the downstream side surface of the retainer ring (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010023441.9A CN111085420A (en) | 2020-01-09 | 2020-01-09 | Screening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010023441.9A CN111085420A (en) | 2020-01-09 | 2020-01-09 | Screening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111085420A true CN111085420A (en) | 2020-05-01 |
Family
ID=70398998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010023441.9A Pending CN111085420A (en) | 2020-01-09 | 2020-01-09 | Screening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111085420A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT202000028850A1 (en) * | 2020-11-27 | 2022-05-27 | White Black Slag Tech S R L | Improved Selection Apparatus |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2277829Y (en) * | 1996-07-22 | 1998-04-08 | 龙端建 | Machine for screening stone and sand |
| CN2561521Y (en) * | 2002-07-25 | 2003-07-23 | 张鹏 | Movable grain cleaning sieves |
| CN201015762Y (en) * | 2006-08-24 | 2008-02-06 | 龙赟 | Concentric circle nested cylinder type drum screen |
| CN105107713A (en) * | 2015-09-02 | 2015-12-02 | 三峡大学 | Movable roller type multi-size-fraction soil screening device and using method thereof |
| KR101685120B1 (en) * | 2016-03-21 | 2016-12-19 | 삼흥산업개발 (주) | Dispose of construction debris in sediment sorting device |
| CN107088521A (en) * | 2017-07-04 | 2017-08-25 | 何元能 | A kind of sandstone fast screening devices |
| CN206935736U (en) * | 2017-04-25 | 2018-01-30 | 肖婉琪 | A kind of efficient Sand screen of civil engineering Double-layer screen |
| CN212143346U (en) * | 2020-01-09 | 2020-12-15 | 黄山中发耐磨材料有限公司 | Screening device |
-
2020
- 2020-01-09 CN CN202010023441.9A patent/CN111085420A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2277829Y (en) * | 1996-07-22 | 1998-04-08 | 龙端建 | Machine for screening stone and sand |
| CN2561521Y (en) * | 2002-07-25 | 2003-07-23 | 张鹏 | Movable grain cleaning sieves |
| CN201015762Y (en) * | 2006-08-24 | 2008-02-06 | 龙赟 | Concentric circle nested cylinder type drum screen |
| CN105107713A (en) * | 2015-09-02 | 2015-12-02 | 三峡大学 | Movable roller type multi-size-fraction soil screening device and using method thereof |
| KR101685120B1 (en) * | 2016-03-21 | 2016-12-19 | 삼흥산업개발 (주) | Dispose of construction debris in sediment sorting device |
| CN206935736U (en) * | 2017-04-25 | 2018-01-30 | 肖婉琪 | A kind of efficient Sand screen of civil engineering Double-layer screen |
| CN107088521A (en) * | 2017-07-04 | 2017-08-25 | 何元能 | A kind of sandstone fast screening devices |
| CN212143346U (en) * | 2020-01-09 | 2020-12-15 | 黄山中发耐磨材料有限公司 | Screening device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT202000028850A1 (en) * | 2020-11-27 | 2022-05-27 | White Black Slag Tech S R L | Improved Selection Apparatus |
| WO2022112995A1 (en) * | 2020-11-27 | 2022-06-02 | White Black Slag Technology S.R.L. | Apparatus for the selection of materials |
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Application publication date: 20200501 |