CN114260179B - Tailing screening device capable of improving screening efficiency - Google Patents
Tailing screening device capable of improving screening efficiency Download PDFInfo
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- CN114260179B CN114260179B CN202111657799.8A CN202111657799A CN114260179B CN 114260179 B CN114260179 B CN 114260179B CN 202111657799 A CN202111657799 A CN 202111657799A CN 114260179 B CN114260179 B CN 114260179B
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- 238000012216 screening Methods 0.000 title claims abstract description 44
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000011148 porous material Substances 0.000 abstract description 12
- 239000002245 particle Substances 0.000 abstract description 11
- 239000010419 fine particle Substances 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 10
- 230000000149 penetrating effect Effects 0.000 abstract description 4
- 238000005192 partition Methods 0.000 abstract description 3
- 239000004576 sand Substances 0.000 description 18
- 239000000463 material Substances 0.000 description 14
- 238000004064 recycling Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 7
- 239000004570 mortar (masonry) Substances 0.000 description 6
- 238000007873 sieving Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 239000008187 granular material Substances 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000002994 raw material Substances 0.000 description 3
- 239000011362 coarse particle Substances 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a tailing screening device capable of improving screening efficiency, which comprises a vibrating screen provided with a screen plate and a screen seat, wherein the screen plate is arranged on the top surface of the screen seat, the screen seat is provided with a vibrating device for driving the screen seat to drive the screen plate to vibrate so as to enable tailings on the screen plate to flick off from front to back for screening, the front section of the screen plate is a fine mesh opening part, the rear section of the screen plate is a middle mesh opening part, the mesh opening pore diameter of the middle mesh opening part is larger than that of the fine mesh opening part, the screen seat is provided with a fine particle blanking channel penetrating through the screen seat from top to bottom at a position corresponding to the fine mesh opening part, and a middle particle blanking channel penetrating through the screen seat from top to bottom is arranged at a position corresponding to the middle mesh opening part, and a partition plate for isolating the fine particle blanking channel and the middle particle blanking channel is arranged between the fine particle blanking channels. The invention can improve screening efficiency, and tailings with different particle sizes can be screened out after the tailings are taken by only one process.
Description
Technical Field
The invention relates to a tailing screening device, in particular to a tailing screening device capable of improving screening efficiency.
Background
Tailings are waste ores discharged from ore plants after the selection of useful components. The stacking of the tailings not only occupies a large amount of land area, but also causes serious pollution to surrounding environment and water resources, the recycling of the tailings not only can solve the problem of environmental pollution, but also can save resources, so that the tailings can be recycled, the tailings recycling technology is significant for environmental protection and development of mineral resource deep value, and is an important technology, wherein the technology relates to the technology and equipment requirements of a plurality of links such as tailings taking, metering, screening, crushing, processing, collecting and the like.
Currently, regarding the finished product application of tailing recycling, the fine-size fraction, the medium-size fraction and the coarse-size fraction of the finished product of tailing sand can meet various requirements of different application scenes, such as sand materials for manufacturing special mortar, sand materials for manufacturing common mortar, sand materials for construction and the like, and the finished product of tailing recycling can be directly applied, however, a tailing screening device in the prior art mainly comprises a vibrating screen with a screen plate and a screen seat, the screen plate is arranged on the top surface of the screen seat, and the screen seat is provided with a vibrating device for driving the screen seat to drive the screen plate to vibrate so that the tailing materials on the screen plate flick down and screen from front to back, and the defect is that: 1. the sieve plate has only sieve holes with single size, and the fine-grained, medium-grained and coarse-grained tailings are screened and collected by the screening device with the structure, so that three repeated procedures are needed, the procedure is complex, and the cost is high; 2. the vibrating screen vibrates with fixed frequency, and tailings upwards and forwards jump under the vibration of the vibrating screen in the screening process, and because the screened tailings are screened in a stacking state, the tailings above the vibrating screen cannot be fully contacted with the screening surface in the screening process, namely, the tailings jump out of the vibrating screen backwards, so that the screening efficiency is low. At present, a tailing screening device capable of screening tailing materials with different particle sizes through a vibrating screen after tailing taking only needs one process is not available.
Disclosure of Invention
In view of this, the technical problems to be solved by the present invention are: the tailing screening device capable of improving screening efficiency can screen tailings with different particle sizes after tailings are taken by one process.
In order to achieve the above purpose, the invention is realized by adopting the following technical scheme:
the utility model provides a tailing screening plant that can improve screening efficiency, includes the shale shaker that has sieve and sieve seat, the sieve is located on the top surface of sieve seat, be equipped with the drive on the sieve seat drives the sieve vibrations so that tailing on the sieve is from the front and back pendulum sieving vibrating device, wherein, the anterior segment of sieve is mesh sieve pore portion, rear segment be well mesh sieve pore portion, well mesh sieve pore portion's sieve pore aperture is greater than the mesh pore aperture of mesh sieve pore portion, the sieve seat is equipped with from top to bottom and passes through self granule blanking passageway in the position that corresponds in mesh sieve pore portion be equipped with from top to bottom and pass through self well granule blanking passageway, the baffle that keeps apart each other has between granule blanking passageway and well granule blanking passageway.
Preferably, the device further comprises a baffle plate arranged above the screen plate, a driving device for providing lifting power and a transmission device for transmitting lifting power to the baffle plate, wherein the transmission device is arranged on the baffle plate and is in driving connection with the driving device.
Preferably, the transmission device comprises a bearing, a lifting screw and a closed-loop chain, wherein a convex ring part is outwards arranged on one side of the inner ring of the bearing in the axial direction of the bearing, the convex ring part is a gear with key teeth on the peripheral surface, the bearing comprises a transverse bearing which is axially perpendicular to the top surface of the baffle and a vertical bearing with the axis perpendicular to the side surface of the baffle, the transverse bearing is fixedly embedded in the bottom surface of the baffle through an outer ring of the bearing and is convexly exposed on the top surface of the baffle through the convex ring part of the bearing, the transverse bearing comprises a plurality of guide chain bearings which are arranged at intervals along the outer edge of the top surface of the baffle and jointly stretch the closed-loop chain to the outer side, each guide chain bearing is meshed and hung with the closed-loop chain through a respective key tooth, the transverse bearing also comprises at least one push chain bearing which is meshed and hung with the closed-loop chain through a respective key tooth, the top end of the lifting screw extends into the inner ring of the guide chain bearing in the lower direction of the baffle and is fixedly connected with each other, the outer edge of the baffle is upwards provided with a perforated ring corresponding to the inner ring of the guide chain bearing, the guide chain bearing is correspondingly arranged on the inner ring of the vertical flange, the inner ring is correspondingly provided with the inner ring of the guide ring, the guide ring is meshed with the vertical flange is correspondingly arranged on the inner ring of the guide ring, and the inner ring is correspondingly provided with the inner ring of the vertical flange, the guide ring is meshed with the vertical ring, and the vertical ring is correspondingly provided with the vertical ring bearing, and the vertical ring bearing, the lower end of the lifting screw rod penetrates through the through hole and is screwed into the screw cavity.
Preferably, the vibrating screen is a rectangular screen, the baffle is a rectangular plate, and four corners of the rectangular plate are respectively provided with the chain guide bearings.
Preferably, the driving device may have the following structure: the driving shaft is provided with a driving shaft and a driving handle, the inner end of the driving shaft extends inwards into the inner ring of the vertical bearing through the outer side of the surrounding eave and is fixedly connected with each other, and the outer end of the driving shaft is connected with the driving handle.
Preferably, the driving device may have the following structure: the inner end of the driving shaft extends into the inner ring of the vertical bearing inwards through the outer side of the surrounding eave and is fixedly connected with each other, and the outer end of the driving shaft is connected with the driving motor.
Preferably, the screening device further comprises a top cover which is used for buckling the baffle plate and the screen plate cover from top to bottom and is used for stopping tailing materials on the screen plate from overflowing from two sides of the screen plate in the screening process, the top cover is provided with a cover top surface and a cover hanging surface which is downwards hung along the outer edges of two sides of the cover top surface, and the lower edge of the cover hanging surface is connected to the outer surface of the corresponding side of the upper section of the screen seat.
According to the technical scheme, the beneficial effects of the invention are as follows:
compared with the prior art, the front section of the sieve plate is a fine mesh part, the rear section of the sieve plate is a middle mesh part, the mesh diameter of the middle mesh part is larger than that of the fine mesh part, the pore diameter of the fine mesh part is preferably 3 mm, the pore diameter of the middle mesh part is preferably 4.75 mm, and the pore diameters can also be other pore diameters, so that the tailings can be subjected to three-division sieving operation according to different particle sizes, namely, the tailings are subjected to three-division of fine particle size, middle particle size and coarse particle size, the tailings of the fine particle size fall from the fine mesh part and are shunted through a fine particle blanking channel and then are integrated into fine sand finished products, the tailings of the middle particle size fall from the middle mesh part and are shunted through a middle particle blanking channel and then are collected as a middle particle sand finished product, the tailings of the fine particle is crushed and processed again, and the tailings of the rest coarse particle size can be used as a coarse sand finished product or a raw material of the fine particle size or the fine particle after being sieved. For finished product application, the fine-size, medium-size and coarse-size tailing sand finished products can meet various requirements of different application scenes, such as special mortar sand, common mortar sand, building sand and the like, are directly applicable tailing recycling finished products, and in actual operation, the tailing recycling products obtained through the scheme are huge in market demand, and huge economic benefits and environmental-friendly social benefits are continuously generated at present and in the future.
Drawings
Fig. 1 is a schematic exploded view of the present invention.
Fig. 2 is a schematic view of the structure of the bearing according to the present invention.
Fig. 3 is a schematic view of a partial enlarged structure at a in fig. 1.
Fig. 4 is a partially enlarged schematic structural view at B in fig. 1.
1. A sieve plate; 2. A screen seat;
3. a vibration device; 4. A baffle;
5. a fine mesh opening part; 6. A middle mesh screen hole part;
7. a fine particle blanking channel; 8. A medium grain blanking channel;
9. a partition plate; 10. Lifting screw rods;
11. a closed loop chain; 12. A convex ring portion;
13. key teeth; 14. A bearing is vertically arranged;
15. a chain guide bearing; 16. A push chain bearing;
17. a surrounding eave; 18. Perforating;
19. a screw cavity; 20. A cover top surface;
21. the cover hangs down. 22. A drive shaft;
23. a driving handle.
Detailed Description
For a further understanding of the nature and aspects of the present invention, reference should be made to the following detailed description of the invention and the accompanying drawings.
Referring to fig. 1 to 4, the invention provides a tailing screening device capable of improving screening efficiency, which comprises a vibrating screen with a screen plate 1 and a screen seat 2, wherein the screen plate is arranged on the top surface of the screen seat, the screen seat is provided with a vibrating device 3 for driving the screen seat to drive the screen plate to vibrate so that tailings on the screen plate flick back and forth to screen, which is not repeated in the prior art, the front section of the screen plate is a fine mesh opening part 5, the rear section is a middle mesh opening part 6, the mesh aperture of the middle mesh opening part is larger than the mesh aperture of the fine mesh opening part, the screen seat is provided with a fine mesh blanking channel 7 penetrating through the screen seat from top to bottom at a position corresponding to the fine mesh opening part, and a middle mesh blanking channel 8 penetrating through the screen seat from top to bottom at a position corresponding to the middle mesh opening part, and a partition plate 9 for isolating the fine mesh blanking channel and the middle mesh blanking channel are arranged.
The front section of the sieve plate is a fine mesh part, the rear section of the sieve plate is a middle mesh part, the mesh aperture of the middle mesh part is larger than that of the fine mesh part, the aperture of the fine mesh part is preferably 3 mm, the aperture of the middle mesh part is preferably 4.75 mm, and the aperture of the middle mesh part can also be other apertures, and the sieve plate is not limited in this way, so that the tailings can be subjected to three-division sieving operation according to different particle sizes, namely, the tailings are subjected to three-division of fine size fraction, middle size fraction and coarse size fraction, the tailings of the fine size fraction fall from the fine mesh part and are shunted through a fine blanking channel and then are integrated into fine sand finished products, the tailings of the middle size fraction fall from the middle mesh part and are shunted through the middle size blanking channel and then are integrated into the fine sand finished products, the tailings of the middle size fraction can also be used as raw materials for re-crushing processing into fine grains, and the tailings of the rest coarse size fraction can be used as coarse sand finished products after sieving, and the raw materials of the re-crushing processing into the middle size fraction or the fine grains. For finished product application, the fine-size, medium-size and coarse-size tailing sand finished products can meet various requirements of different application scenes, such as special mortar sand, common mortar sand, building sand and the like, are directly applicable tailing recycling finished products, and in actual operation, the tailing recycling products obtained through the scheme are huge in market demand, and huge economic benefits and environmental-friendly social benefits are continuously generated at present and in the future.
Example 1: further, in the invention, the device also comprises a baffle plate 4 arranged above the screen plate, a driving device for providing lifting power and a transmission device for transmitting the lifting power to the baffle plate, wherein the transmission device is arranged on the baffle plate and is connected with the driving device in a driving way. In this embodiment, the baffle is installed in the sieve top of shale shaker, because the setting of baffle, the tailing material that is the screening material will be touched by the jump of sieve vibrating force, under the collision of baffle, the tailing material will be bounced back the sifting surface of sieve to compare the mode of freely falling body, can increase the tailing material in unit time and sieve the frequency of jumping, and then fully contact with the sifting surface, promote screening efficiency, and can carry out lifting control to the baffle through drive arrangement drive transmission, thereby regulate and control the interval of baffle and sieve, can realize the control to tailing material screening jump frequency from this, simultaneously, can also realize carrying out the pertinence adjustment according to the difference of screening tailing material pile-up degree to the lifting control of baffle, be suitable for the high-efficient screening that the tailing material that pile up the degree is different sieves.
Example 2: further, in the invention, the transmission device comprises a bearing, a lifting screw 10 and a closed-loop chain 11, wherein a convex ring part 12 is outwards arranged on one side of the inner ring of the bearing in the axial direction of the bearing, the convex ring part is a gear with a key tooth 13 on the peripheral surface, the bearing comprises a transverse bearing which is axially perpendicular to the top surface of the baffle and a vertical bearing 14 which is axially perpendicular to the side surface of the baffle, the transverse bearing is embedded in the bottom surface of the baffle through the outer ring of the bearing and is outwards protruded on the top surface of the baffle through the convex ring part of the bearing, the transverse bearing comprises a plurality of chain guide bearings 15 which are arranged at intervals along the outer edge of the top surface of the baffle and jointly support the closed-loop chain outwards, each chain guide bearing is meshed and hung with the closed-loop chain through a respective key tooth, the transverse bearing also comprises at least one chain pushing bearing 16 which is meshed and hung with the closed-loop chain through a respective key tooth on the outer side of the closed-loop chain, the top ends of the lifting screw rods extend into the inner ring of the chain guide bearing upwards through the baffle plate and are fixedly connected with each other, the outer edges of the baffle plate are upwards extended to form a surrounding eave 17, the transverse bearing rings are arranged in the surrounding eave, the vertical bearing is embedded and fixed in the outer surface of the surrounding eave through the outer ring of the vertical bearing and is convexly exposed on the inner surface of the surrounding eave through the convex ring part of the vertical bearing, the vertical bearing is arranged at a position corresponding to the chain pushing bearing and is meshed with the chain pushing bearing through respective key teeth, the driving device extends inwards into the inner ring of the vertical bearing through the outer side of the surrounding eave and is fixedly connected with each other, the sieve plate is provided with a perforation 18 at a position corresponding to the lifting screw rod, the sieve seat is provided with a screw cavity 19 at a position corresponding to the perforation, the lower end of the lifting screw rod penetrates through the through hole and is screwed into the screw cavity. In this embodiment, the lower segment spiral shell of lifting screw goes into the spiral shell intracavity of sieve seat, on the one hand can be along with vibrating screen vibration synchrony fit, on the other hand through drive arrangement's drive, erect and put bearing, push chain bearing, closed loop chain, the chain guide bearing, lifting screw linkage in order, the lower segment spiral shell intracavity of lifting screw down goes into the sieve seat can realize the reduction of baffle, lifting screw lower segment upward spiral shell is rotated, can realize the lifting of baffle, through setting up spiral shell chamber degree of depth and lifting screw length, the baffle lifting space is preferably adjustable between 300 millimeters to 400 millimeters, also can be other scope, do not add the restriction here, thereby the vibration frequency that sieves of passing the tail mineral aggregate is regulated and control.
Example 3: further, in the invention, the vibrating screen is a rectangular screen, the baffle plate is a rectangular plate, and the four corners of the rectangular plate are respectively provided with the chain guide bearings. In the embodiment, the baffle is rectangular to match a vibrating screen with a rectangular screen plate shape, and the guide chain bearings are arranged at four corners of the rectangular plate, so that the vibrating screen has the most stable structure and the effects of the simplest structure and the lowest cost.
Example 4: further, in the present invention, the driving device may have the following structure: the inner end of the driving shaft extends inwards into the inner ring of the vertical bearing through the outer side of the surrounding eave and is fixedly connected with each other, and the outer end of the driving shaft is connected with the driving handle. In this embodiment, the driving device may be a manual device, and the adjustment and control manner is simple and convenient.
Example 5: further, in the present invention, the driving device may have the following structure: the inner end of the driving shaft extends into the inner ring of the vertical bearing through the outer side of the surrounding eave and is fixedly connected with each other, and the outer end of the driving shaft is connected with the driving motor (not shown in the figure). In this embodiment, the driving device may be an electric device, so as to further improve the working efficiency.
Example 6: further, in the invention, the screen plate and the screen plate cover are buckled in the screen plate from top to bottom to prevent the tailings on the screen plate from overflowing from two sides of the screen plate in the screening process, the top cover is provided with a cover top surface 20 and cover hanging surfaces 21 which are downwards hung along the outer edges of two sides of the cover top surface, and the lower edges of the cover hanging surfaces are connected to the outer surfaces of the corresponding sides of the upper section of the screen seat. In this embodiment, the connection of cover perpendicular to the face and sieve seat can be through rivet connection, also can be other modes, and is not limited here, can be detachable, so, the convenient maintenance is updated, and the top cover can effectively prevent the tailings material from spilling from the sieve both sides in the sieving process, avoids extravagant also avoids polluting the environment that causes the destruction to tailing processing utilization place.
However, the foregoing description is only one embodiment of the present invention and is not intended to limit the scope of the invention, so that all changes that come within the meaning and range of equivalents of the invention are intended to be embraced therein.
Claims (5)
1. The tailing screening device capable of improving screening efficiency comprises a vibrating screen provided with a screen plate (1) and a screen seat (2), wherein the screen plate is arranged on the top surface of the screen seat, the screen seat is provided with a vibrating device (3) which drives the screen plate to vibrate so that tailing on the screen plate can be bounced back and forth to screen, the vibrating device is characterized in that the front section of the screen plate is a fine mesh opening part (5) and the rear section of the screen plate is a middle mesh opening part (6), the mesh aperture of the middle mesh opening part is larger than the mesh aperture of the fine mesh opening part, the screen seat is provided with a fine grain blanking channel (7) which penetrates through the screen seat from top to bottom at a position corresponding to the middle mesh opening part, a middle grain blanking channel (8) which penetrates through the screen seat from top to bottom is arranged at a position corresponding to the middle mesh opening part, a baffle plate (9) which is separated from each other is arranged between the fine grain blanking channel and the middle blanking channel, the vibrating device also comprises a baffle (4) which is arranged above the screen plate, a driving device for providing lifting power and a lifting baffle plate, the driving device is arranged on the screen plate is provided with a bearing ring (12) which is arranged on one side of the bearing ring (12) and is arranged on the bearing ring (the bearing) of the bearing device) and the bearing device is arranged on the bearing device, and the bearing device is arranged on one side of the bearing device (12), the horizontal bearing is fixedly embedded in the bottom surface of the baffle through an outer ring of the horizontal bearing and is exposed out of the top surface of the baffle through a convex ring part of the horizontal bearing, the horizontal bearing comprises a plurality of guide chain bearings (15) which are arranged along the outer edge of the top surface of the baffle at intervals and jointly stretch the closed loop chain to the outside, each guide chain bearing is engaged and hung with the closed loop chain through a respective key tooth, the horizontal bearing also comprises at least one push chain bearing (16) which is engaged and hung with the closed loop chain through the respective key tooth at the outer side of the closed loop chain, the top ends of lifting screws extend into the inner rings of the guide chain bearings in the lower direction of the baffle and are fixedly connected with each other, the outer edge of the baffle is upwards provided with an enclosing edge (17), the horizontal bearing ring is exposed out of the enclosing edge through the convex ring part of the horizontal bearing, the vertical bearing is arranged on the inner face of the enclosing edge through the outer ring of the horizontal bearing, the vertical bearing is arranged at a position corresponding to the push chain bearing and is engaged and hung with the closed loop chain, the vertical bearing is provided with a driving screw (18) corresponding to the inner ring of the lifting screw and is provided with a lifting screw corresponding to the inner ring and is meshed with a lifting screw (18).
2. The tailing screening device capable of improving screening efficiency according to claim 1, wherein the vibrating screen is a rectangular screen, the baffle is a rectangular plate, and the rectangular plate is provided with the chain guide bearings at four corners of the rectangular plate.
3. A tailings screening apparatus capable of improving screening efficiency according to claim 2, wherein the drive means has a drive shaft (22) and a drive handle (23), the inner ends of the drive shaft extending inwardly into the inner ring of the vertical bearing via the outer side of the boom and being secured to each other, the outer ends being connected to the drive handle.
4. A tailings screening apparatus capable of improving screening efficiency according to claim 2, wherein the drive means has a drive shaft and a drive motor, the inner ends of the drive shaft extending inwardly into the inner ring of the vertical bearing via the outer side of the peripheral edge and being secured to each other, the outer ends being connected to the drive motor.
5. A tailings screening apparatus capable of improving screening efficiency according to any one of claims 1 to 4, further comprising a top cover for retaining tailings on the screen deck by fastening the baffle and screen deck cover therein from above to below, the top cover having a cover top surface (20) and cover tabs (21) depending downwardly along outer edges of the two sides of the cover top surface, the lower edges of the cover tabs being connected to the outer faces of the respective sides of the upper section of the screen deck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111657799.8A CN114260179B (en) | 2021-12-31 | 2021-12-31 | Tailing screening device capable of improving screening efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111657799.8A CN114260179B (en) | 2021-12-31 | 2021-12-31 | Tailing screening device capable of improving screening efficiency |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114260179A CN114260179A (en) | 2022-04-01 |
| CN114260179B true CN114260179B (en) | 2024-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111657799.8A Active CN114260179B (en) | 2021-12-31 | 2021-12-31 | Tailing screening device capable of improving screening efficiency |
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| CN (1) | CN114260179B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3519732B1 (en) * | 2003-09-18 | 2004-04-19 | 株式会社リ・フォース | Product and scrap separation equipment |
| CN202538907U (en) * | 2012-03-23 | 2012-11-21 | 贺州市瑞泰机械有限公司 | Vertical movable sieve jig |
| CN205704835U (en) * | 2016-06-17 | 2016-11-23 | 南京青龙线缆材料有限公司 | A kind of vibrating bed sieve of plastic grain |
| CN107694913A (en) * | 2017-11-15 | 2018-02-16 | 江苏恒源生物有机肥有限公司 | A kind of energy-efficient biological organic fertilizer screening installation |
| CN208527226U (en) * | 2018-02-07 | 2019-02-22 | 河北硕凯铸造有限公司 | A kind of high efficiency shake bat formula sand sieving machine |
| CN111530750A (en) * | 2020-05-15 | 2020-08-14 | 芜湖鑫霖森椽环保科技有限公司 | Screening device for nut finished products |
| CN211802262U (en) * | 2019-12-19 | 2020-10-30 | 山东质能新型材料有限公司 | Gu solid mortar raw materials multistage screening preselection device |
-
2021
- 2021-12-31 CN CN202111657799.8A patent/CN114260179B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3519732B1 (en) * | 2003-09-18 | 2004-04-19 | 株式会社リ・フォース | Product and scrap separation equipment |
| CN202538907U (en) * | 2012-03-23 | 2012-11-21 | 贺州市瑞泰机械有限公司 | Vertical movable sieve jig |
| CN205704835U (en) * | 2016-06-17 | 2016-11-23 | 南京青龙线缆材料有限公司 | A kind of vibrating bed sieve of plastic grain |
| CN107694913A (en) * | 2017-11-15 | 2018-02-16 | 江苏恒源生物有机肥有限公司 | A kind of energy-efficient biological organic fertilizer screening installation |
| CN208527226U (en) * | 2018-02-07 | 2019-02-22 | 河北硕凯铸造有限公司 | A kind of high efficiency shake bat formula sand sieving machine |
| CN211802262U (en) * | 2019-12-19 | 2020-10-30 | 山东质能新型材料有限公司 | Gu solid mortar raw materials multistage screening preselection device |
| CN111530750A (en) * | 2020-05-15 | 2020-08-14 | 芜湖鑫霖森椽环保科技有限公司 | Screening device for nut finished products |
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| Publication number | Publication date |
|---|---|
| CN114260179A (en) | 2022-04-01 |
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