CN217857182U - Screening plant for granular materials - Google Patents
Screening plant for granular materials Download PDFInfo
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- CN217857182U CN217857182U CN202222716120.4U CN202222716120U CN217857182U CN 217857182 U CN217857182 U CN 217857182U CN 202222716120 U CN202222716120 U CN 202222716120U CN 217857182 U CN217857182 U CN 217857182U
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- rotary screen
- supporting box
- box body
- cylinder
- particulate material
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Abstract
The utility model discloses a screening device for granular materials, which belongs to the technical field of material screening, and comprises a rotary screen cylinder which is horizontally arranged, wherein openings at two ends of the rotary screen cylinder are arranged, a plurality of groups of screen holes are arranged on the cylinder wall of the rotary screen cylinder, each group of screen holes comprises a plurality of evenly distributed screen holes, and the aperture of each group of screen holes is sequentially increased along the material flowing direction; one end of the rotary screen cylinder is rotatably arranged in the first supporting box body, the other end of the rotary screen cylinder is rotatably arranged in the second supporting box body, and gear rings are sleeved on the outer sides of the end parts of the rotary screen cylinder; the inner wall of the rotary screen cylinder is fixedly connected with a flow guide spiral sheet; the outside cover of a rotary screen section of thick bamboo is equipped with outer barrel, and the rigid coupling has annular baffle on the inner wall of outer barrel, and annular baffle is located the outside of adjacent two sets of sieve mesh junctions. The utility model discloses lead to the mutual crowded problem of dashing between the big or small granule material when can avoiding a rotary screen section of thick bamboo slope to place, reduce the compounding after the screening, improve the screening effect.
Description
Technical Field
The utility model relates to a screening plant for particulate material belongs to material screening technical field.
Background
The sieving device is a mechanical device which utilizes the relative movement of the bulk material and the sieve surface to make partial particles pass through the sieve pores and divide the material into different grades according to the particle size. Common spherical granular materials generally adopt a drum-type screening device on the granularity screening. Such as: large-particle fertilizers, catalysts, desiccants, and the like.
The rotary drums in patent application nos. CN201821167232.6 and CN 20102024585.5 are both placed in an inclined manner, so that the material to be screened can move along the axis of the rotary drum, and due to the nonuniformity of the particle size of the material, the obliquely placed rotary drum causes the problems that the large and small particles in the material are mutually extruded, the large particles block the screening of the small particles, and the like, so that the screening is not thorough.
In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model discloses not enough to in the background art, provide a screening plant for granular material, lead to the mutual crowded problem of dashing between the big or small granule material when can avoiding a rotary screen section of thick bamboo slope to place, reduce the compounding after the screening, improve the screening effect.
For solving the technical problem, the utility model discloses a following technical scheme:
a screening device for granular materials comprises a rotary screen cylinder which is horizontally arranged, openings are formed in two ends of the rotary screen cylinder, a plurality of groups of screen holes are formed in the wall of the rotary screen cylinder, each group of screen holes comprises a plurality of screen holes which are uniformly distributed, and the aperture of each group of screen holes is sequentially increased along the material flowing direction; one end of the rotary screen drum is rotatably arranged in the first supporting box, the other end of the rotary screen drum is rotatably arranged in the second supporting box, and gear rings are sleeved on the outer sides of the end parts of the rotary screen drum; the inner wall of the rotary screen cylinder is fixedly connected with a flow guide spiral sheet; the outside cover of a rotary screen section of thick bamboo is equipped with outer barrel, and the rigid coupling has annular baffle on the inner wall of outer barrel, and annular baffle is located the outside of adjacent two sets of sieve mesh junctions.
According to an optimized scheme, the rotary screen drum is communicated with inner cavities of the first supporting box body and the second supporting box body.
Furthermore, the gear rings are fixedly connected with the outer wall of the rotary screen drum, the number of the gear rings is two, and the two gear rings are respectively meshed with the driving gear below the two gear rings; the driving gear rotates and is installed in the rotary screen cylinder, and the driving gear is connected with the motor.
Further, the outer cylinder is fixedly connected to the opposite inner sides of the first supporting box body and the second supporting box body.
Furthermore, the bottom rigid coupling of outer barrel has a plurality of play hoppers, and the quantity of going out the hopper is the same with the group number of sieve mesh, goes out the hopper and is linked together with the double-layered chamber between rotary screen section of thick bamboo and the outer barrel.
Further, the bottom of the first supporting box body is flush with the bottom of the second supporting box body, and the height of the top end of the first supporting box body is larger than that of the top end of the second supporting box body.
Furthermore, a feed inlet is formed in the top of the first supporting box body, and an arc-shaped guide plate is fixedly connected inside the first supporting box body.
Furthermore, a discharge gap is formed between the inner wall of the second supporting box body and the end part of the rotary screen cylinder.
Further, one side of the bottom of the inner cavity of the second supporting box body is provided with a discharge hole.
The utility model adopts the above technical scheme after, compare with prior art, have following advantage:
granular materials to be screened are guided to a rotary screen cylinder which is transversely arranged under the action of an arc-shaped guide plate, the rotary screen cylinder and a guide spiral plate realize transverse conveying of the granular materials in the synchronous rotating process, the granular materials are screened through screen holes in the transverse conveying process, the screened granular materials with different granularities are collected into different discharge hoppers, and massive materials carried in the granular materials enter the bottom of an inner cavity of a second supporting box body; the utility model discloses can realize the effective hierarchical screening to the granule, lead to the mutual impact problem of extruding between the big or small granule material when can avoiding a rotary screen section of thick bamboo slope to place, reduce the compounding after the screening, improve the screening effect.
The present invention will be described in detail with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic view of the internal structure of the present invention;
fig. 3 is a cross-sectional view of the present invention;
fig. 4 is an enlarged view at M in fig. 3.
In the figure, 1-a rotary screen cylinder, 2-screen holes, 3-a first supporting box body, 4-a second supporting box body, 5-a gear ring, 6-a driving gear, 7-an outer cylinder body, 8-an annular partition plate, 9-a discharge hopper, 10-a flow guide spiral sheet, 11-a feed inlet, 12-an arc-shaped flow guide plate, 13-a discharge outlet and 14-a discharge gap.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings.
As shown in fig. 1-4, the utility model provides a screening plant for granular materials, including the rotary screen section of thick bamboo 1 that the level set up, the opening setting in rotary screen section of thick bamboo 1 both ends is equipped with multiunit sieve mesh 2 on the section of thick bamboo wall of rotary screen section of thick bamboo 1, and every group sieve mesh 2 includes a plurality of evenly distributed's sieve mesh 2, and the aperture of multiunit sieve mesh 2 increases in proper order on the material flow direction.
One end of a rotary screen cylinder 1 is rotated and is installed in first supporting box 3, and a rotary screen cylinder 1 is linked together with 3 inner chambers of first supporting box, and the other end of a rotary screen cylinder 1 is rotated and is installed in second supporting box 4, and a rotary screen cylinder 1 is linked together with 4 inner chambers of second supporting box.
The outer side of the end part of the rotary screen drum 1 is sleeved with a gear ring 5, and the gear ring 5 is fixedly connected with the outer wall of the rotary screen drum 1; the number of the gear rings 5 is two, and the two gear rings 5 are respectively meshed and connected with the driving gear 6 below the gear rings; the driving gear 6 is rotatably installed in the rotary screen cylinder 1, the driving gear 6 is connected with a motor (the motor is not shown in the figure), and the motor drives the rotary screen cylinder 1 to move through the meshing of the gears.
The rigid coupling has a water conservancy diversion flight 10 on the inner wall of a rotary screen section of thick bamboo 1, and water conservancy diversion flight 10 rotates with a rotary screen section of thick bamboo 1 is synchronous, and water conservancy diversion flight 10 and a rotary screen section of thick bamboo 1 rotate the horizontal transport of in-process realization to granule material in step, and granule material passes through sieve mesh 2 in horizontal transport process and realizes the screening.
The outside cover of a rotary screen section of thick bamboo 1 is equipped with outer barrel 7, and outer barrel 7 rigid coupling is inboard in opposite directions in first supporting box 3 and second supporting box 4.
An annular partition plate 8 is fixedly connected to the inner wall of the outer barrel 7, the annular partition plate 8 is located on the outer side of the joint of the two adjacent groups of sieve holes 2, and the annular partition plate 8 is used for ensuring that particles with different particle sizes are mutually separated after sieving.
The bottom rigid coupling of outer barrel 7 has a plurality of play hoppers 9, and the quantity of going out hoppers 9 is the same with the group number of sieve mesh 2, goes out the hopper 9 and is linked together with the double-layered chamber between rotary screen section of thick bamboo 1 and the outer barrel 7, goes out hopper 9 and is used for compiling the material of the different granularities after the screening.
The bottom of first supporting box 3 sets up with the bottom parallel and level of second supporting box 4, and the height on 3 tops of first supporting box is greater than the height on 4 tops of second supporting box.
The top of first support box 3 is equipped with feed inlet 11, and the inside rigid coupling of first support box 3 has arc guide plate 12, and arc guide plate 12 is used for the granule material water conservancy diversion that will get into by feed inlet 11 to rotary screen section of thick bamboo 1 in.
A discharge gap 14 is arranged between the inner wall of the second supporting box body 4 and the end part of the rotary screen cylinder 1, and block-shaped materials carried in the particle materials enter the bottom of the inner cavity of the second supporting box body 4 through the discharge gap 14 after being screened; one side of the bottom of the inner cavity of the second supporting box body 4 is provided with a discharge hole 13, and the screened blocky materials are led out from the discharge hole 13.
The utility model discloses a concrete theory of operation:
treat that the granule material of screening gets into in the first supporting box 3 by feed inlet 11, water conservancy diversion is to the rotary screen section of thick bamboo 1 of horizontal setting under arc guide plate 12's effect, meanwhile the motor passes through the meshing drive rotary screen section of thick bamboo 1 and the motion of water conservancy diversion flight 10 of gear, water conservancy diversion flight 10 and rotary screen section of thick bamboo 1 realize the lateral transportation to granule material in-process in synchronous rotation, granule material realizes the screening through sieve mesh 2 at the lateral transportation in-process, different granularity materials collect to different play hoppers 9 in after the screening, cubic material that smugglies secretly among the granule material gets into the inner chamber bottom of second supporting box 4 by ejection of compact clearance 14 after the screening, then derive by discharge gate 13.
The foregoing is illustrative of the best mode of the invention, and details not described herein are within the common general knowledge of a person of ordinary skill in the art. The protection scope of the present invention is subject to the content of the claims, and any equivalent transformation based on the technical teaching of the present invention is also within the protection scope of the present invention.
Claims (9)
1. A screening plant for particulate material which characterized in that: the sieve comprises a rotary sieve cylinder (1) which is horizontally arranged, openings are formed in two ends of the rotary sieve cylinder (1), a plurality of groups of sieve holes (2) are formed in the cylinder wall of the rotary sieve cylinder (1), each group of sieve holes (2) comprises a plurality of sieve holes (2) which are uniformly distributed, and the pore diameters of the plurality of groups of sieve holes (2) are sequentially increased along the flowing direction of material; one end of the rotary screen drum (1) is rotatably arranged in the first supporting box body (3), the other end of the rotary screen drum is rotatably arranged in the second supporting box body (4), and gear rings (5) are sleeved on the outer sides of the end parts of the rotary screen drum (1); the inner wall of the rotary screen cylinder (1) is fixedly connected with a flow guide spiral sheet (10); the outside cover of a rotary screen section of thick bamboo (1) is equipped with outer barrel (7), and the rigid coupling has annular baffle (8) on the inner wall of outer barrel (7), and annular baffle (8) are located the outside of adjacent two sets of sieve mesh (2) junctions.
2. A screening device for particulate material as claimed in claim 1, wherein: the rotary screen drum (1) is communicated with the inner cavities of the first supporting box body (3) and the second supporting box body (4).
3. A screening device for particulate material as claimed in claim 1, wherein: the gear rings (5) are fixedly connected with the outer wall of the rotary screen drum (1), the number of the gear rings (5) is two, and the two gear rings (5) are respectively meshed with the driving gear (6) below the gear rings; the driving gear (6) is rotatably installed in the rotary screen cylinder (1), and the driving gear (6) is connected with the motor.
4. A screening device for particulate material according to claim 1, wherein: the outer cylinder (7) is fixedly connected to the inner sides of the first supporting box body (3) and the second supporting box body (4) in the opposite direction.
5. A screening device for particulate material as claimed in claim 1, wherein: the bottom rigid coupling of outer barrel (7) has a plurality of play hoppers (9), and the quantity of going out hopper (9) is the same with the group number of sieve mesh (2), goes out hopper (9) and is linked together with the double-layered chamber between rotary screen section of thick bamboo (1) and outer barrel (7).
6. A screening device for particulate material according to claim 1, wherein: the bottom of the first supporting box body (3) is flush with the bottom of the second supporting box body (4), and the height of the top end of the first supporting box body (3) is larger than that of the top end of the second supporting box body (4).
7. A screening device for particulate material as claimed in claim 1, wherein: the top of first supporting box body (3) is equipped with feed inlet (11), and the inside rigid coupling of first supporting box body (3) has arc guide plate (12).
8. A screening device for particulate material as claimed in claim 1, wherein: and a discharge gap (14) is formed between the inner wall of the second supporting box body (4) and the end part of the rotary screen drum (1).
9. A screening device for particulate material as claimed in claim 1, wherein: and a discharge hole (13) is formed in one side of the bottom of the inner cavity of the second supporting box body (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222716120.4U CN217857182U (en) | 2022-10-17 | 2022-10-17 | Screening plant for granular materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222716120.4U CN217857182U (en) | 2022-10-17 | 2022-10-17 | Screening plant for granular materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217857182U true CN217857182U (en) | 2022-11-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222716120.4U Active CN217857182U (en) | 2022-10-17 | 2022-10-17 | Screening plant for granular materials |
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| CN (1) | CN217857182U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117324245A (en) * | 2023-12-01 | 2024-01-02 | 黑龙江省农业机械工程科学研究院 | Continuous grain screening device |
| CN117680291A (en) * | 2024-01-25 | 2024-03-12 | 济南中意维尔科技有限公司 | Centrifugal machine for continuously screening granular materials |
| CN117680291B (en) * | 2024-01-25 | 2024-04-30 | 济南中意维尔科技有限公司 | Centrifugal machine for continuously screening granular materials |
-
2022
- 2022-10-17 CN CN202222716120.4U patent/CN217857182U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117324245A (en) * | 2023-12-01 | 2024-01-02 | 黑龙江省农业机械工程科学研究院 | Continuous grain screening device |
| CN117324245B (en) * | 2023-12-01 | 2024-02-06 | 黑龙江省农业机械工程科学研究院 | Continuous grain screening device |
| CN117680291A (en) * | 2024-01-25 | 2024-03-12 | 济南中意维尔科技有限公司 | Centrifugal machine for continuously screening granular materials |
| CN117680291B (en) * | 2024-01-25 | 2024-04-30 | 济南中意维尔科技有限公司 | Centrifugal machine for continuously screening granular materials |
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