CN213762700U - Multistage rotary screening machine - Google Patents
Multistage rotary screening machine Download PDFInfo
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- CN213762700U CN213762700U CN202022608614.1U CN202022608614U CN213762700U CN 213762700 U CN213762700 U CN 213762700U CN 202022608614 U CN202022608614 U CN 202022608614U CN 213762700 U CN213762700 U CN 213762700U
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Abstract
The utility model discloses a multistage rotary screening machine, a screening cavity is arranged on a frame, an inclined screen is arranged in the screening cavity, a fabric recovery cavity is arranged at the lower end of a fine screen, a granule recovery cavity is arranged at the lower end of a coarse screen, and an adhesion granule separation device is arranged at the lower side of the outlet end of the screen; reciprocating screens are arranged at the lower end of the adhesion particle separating device and the lower end of the particle material recovery cavity; the online material flow outlet of the reciprocating screen is connected to a qualified product collecting box; the lower end of the reciprocating screen and the lower end of the fabric recovery cavity are both arranged above the total fabric recovery box; the utility model has the advantages that: because the multi-stage screening is adopted, and the adhered materials are sent to the adhesion particle separating device for secondary processing, the screening effect is good, the granularity is uniform, the rework proportion is reduced, and the work efficiency is improved.
Description
Technical Field
The utility model relates to a manufacturing equipment of boron-magnesium fertilizer, in particular to a screening machine.
Background
The boron-magnesium fertilizer needs to be screened after being granulated, the prior art adopts a large screen to carry out reciprocating screening, the qualified granules are sent to the next procedure, and the unqualified planar material is sent to a mixer to be processed again; the process only carries out one-step screening, not only is the screening incomplete, but also the particles adhered together in the granulation process can not be separated, therefore, the particle size of the product is inconsistent, and the performance of the fertilizer is influenced.
Disclosure of Invention
In order to solve the technical problem, the utility model aims at providing a multistage rotary screening machine, which comprises a frame, wherein a screening cavity is arranged on the frame, an inclined screen is arranged in the screening cavity, the height of an inlet end of the screen is greater than that of an outlet end, 2 sections of screens with different particle diameters are arranged along the axial direction of the screen, namely a fine screen close to the inlet end and a coarse screen close to the outlet end, the particle diameter of the fine screen is smaller than that of preset particles, and the particle diameter of the coarse screen is 1-1.3 times that of the preset particles; the lower end of the fine screen is provided with a fabric recovery cavity, the lower end of the coarse screen is provided with a particle recovery cavity, and the lower side of the outlet end of the screen is provided with an adhesion particle separation device; reciprocating screens are arranged at the lower end of the adhesion particle separating device and the lower end of the particle material recovery cavity; the online material flow outlet of the reciprocating screen is connected to a qualified product collecting box; the lower end of the reciprocating screen and the lower end of the fabric recovery cavity are both arranged above the total fabric recovery box;
the feed hopper is provided with an outflow opening extending into the sieve.
The device for separating the adhered particles comprises a shell, wherein an inlet is formed in the upper end of the shell, a collecting cavity is formed in the lower portion of the shell, an outlet is formed in the lower portion of the collecting cavity, a first separating paddle and a second separating paddle are arranged in parallel on the same horizontal plane in the shell, deflector rods are arranged on the surfaces of the first separating paddle and the second separating paddle, the deflector rods of the first separating paddle are inserted into deflector rod gaps of the second separating paddle, and the deflector rods of the first separating paddle and the deflector rods of the second separating paddle are provided with overlapped parts in the radial direction; one end of the first separation paddle is provided with a first driven wheel, one end of the second separation paddle is provided with a second driven wheel, and the first driven wheel is meshed with the second driven wheel; the other end of the first separation paddle is fixed with the driving wheel, the driving wheel is meshed with the driving wheel, and the driving wheel is arranged on an output shaft of the motor.
The lower end of the reciprocating type screen is provided with a roller which slides on the track, the side end of the screen box is coupled with one end of a swing rod, the other end of the swing rod is coupled with an eccentric wheel, and the eccentric wheel is connected with an output shaft of a swing motor.
The screen cloth is fixed on the screen cloth axle, the tip of screen cloth axle sets up the belt pulley, the belt pulley passes through the belt and is connected with the output wheel of screen cloth motor.
The utility model has the advantages that: because the multi-stage screening is adopted, and the adhered materials are sent to the adhesion particle separating device for secondary processing, the screening effect is good, the granularity is uniform, the rework proportion is reduced, and the work efficiency is improved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the adhered particle separating device;
fig. 3 is a sectional view taken along the line a-a of fig. 2.
Detailed Description
The utility model is described in detail with the following drawings, as shown in the figures, the utility model comprises a frame 1, a screening chamber 2 is arranged on the frame, an inclined screen 3 is arranged in the screening chamber, the height of the inlet end of the screen is larger than that of the outlet end, 2 sections of screens with different particle diameters are arranged along the axial direction of the screen, namely a fine screen 5 close to the inlet end and a coarse screen 6 close to the outlet end, the particle diameter of the fine screen is smaller than that of the preset particles, and the particle diameter of the coarse screen is 1-1.3 times of that of the preset particles; the lower end of the fine screen is provided with a fabric recovery cavity 12, the lower end of the coarse screen is provided with a particle material recovery cavity 13, and the lower side of the outlet end of the screen is provided with an adhesion particle separation device 8; the lower end of the adhesion particle separating device 8 and the lower end of the particle material recovery cavity 13 are provided with reciprocating type screens 15; the material flow outlet on the net of the reciprocating screen is connected to a qualified product collecting box 14; the lower end of the reciprocating screen and the lower end of the fabric recovery cavity are both arranged above the total fabric recovery box 21;
the feed hopper 7 is provided with an outflow opening 22 extending into the sieve.
The adhesion particle separating device comprises a shell 81, an inlet 82 is formed in the upper end of the shell, a collecting cavity 84 is formed in the lower portion of the shell, an outlet 83 is formed in the lower portion of the collecting cavity, a first separating paddle 85 and a second separating paddle 86 are arranged in parallel on the same horizontal plane in the shell, deflector rods 87 are arranged on the surfaces of the first separating paddle and the second separating paddle, the deflector rods of the first separating paddle are inserted into deflector rod gaps of the second separating paddle, and the deflector rods of the first separating paddle and the deflector rods of the second separating paddle are provided with a superposition part L along the radial direction, so that the adhesion particle separating device has the advantages that materials are broken by the deflector rods instead of stirring, and the adhesion materials can be guaranteed to be granular after being separated; a first driven wheel 88 is arranged at one end of the first separation paddle, a second driven wheel 89 is arranged at one end of the second separation paddle, and the first driven wheel is meshed with the second driven wheel; the other end of the first separating paddle is fixed to a drive wheel 810, which is engaged with a drive wheel 811 arranged on the output shaft of the motor 812.
The lower end of the reciprocating screen 15 is provided with a roller 16 which slides on a track 17, the side end of the screen box is coupled with one end of a swing rod 18, the other end of the swing rod is coupled with an eccentric wheel 19, and the eccentric wheel is connected with an output shaft of a swing motor 20.
The screen cloth is fixed on screen cloth axle 4, the tip of screen cloth axle sets up belt pulley 9, the belt pulley passes through the belt and is connected with the output wheel 10 of screen cloth motor 11.
The principle of the utility model is that: the granulated material flows out from an outflow port 22 of a feed hopper 7 which is deeply arranged in a sieve, the material with the diameter smaller than the preset particle diameter firstly falls into a fabric recovery cavity 12 from a fine sieve 5, the material with the diameter 1-1.3 times of the preset particle diameter falls into a particle material recovery cavity 13 from a coarse sieve, the material with the diameter larger than 1.3 of the preset particle diameter and the adhered material directly fall into an adhered particle separation device for separation, the separated material and the material in the particle material recovery cavity 13 are further separated by a reciprocating sieve 15, and an online material flow outlet of the reciprocating sieve is connected to a qualified product collection box 14; the lower end of the reciprocating screen and the lower end of the fabric recycling cavity are both arranged above the total fabric recycling box 21, and finally, the lower ends are recycled and uniformly processed for the second time.
Claims (4)
1. The utility model provides a multistage rotary screening machine, includes the frame, its characterized in that: a screening cavity is arranged on a frame, an inclined screen is arranged in the screening cavity, the height of an inlet end of the screen is greater than that of an outlet end, 2 sections of screens with different particle sizes are arranged along the axial direction of the screens, the screens are respectively a fine screen close to the inlet end and a coarse screen close to the outlet end, the particle size of the fine screen is smaller than that of preset particles, and the particle size of the coarse screen is 1-1.3 times that of the preset particles; the lower end of the fine screen is provided with a fabric recovery cavity, the lower end of the coarse screen is provided with a particle recovery cavity, and the lower side of the outlet end of the screen is provided with an adhesion particle separation device; reciprocating screens are arranged at the lower end of the adhesion particle separating device and the lower end of the particle material recovery cavity; the online material flow outlet of the reciprocating screen is connected to a qualified product collecting box; the lower end of the reciprocating screen and the lower end of the fabric recovery cavity are both arranged above the total fabric recovery box; the feed hopper is provided with an outflow opening extending into the sieve.
2. The multi-stage rotary screen machine according to claim 1, wherein: the device for separating the adhered particles comprises a shell, wherein an inlet is formed in the upper end of the shell, a collecting cavity is formed in the lower portion of the shell, an outlet is formed in the lower portion of the collecting cavity, a first separating paddle and a second separating paddle are arranged in parallel on the same horizontal plane in the shell, deflector rods are arranged on the surfaces of the first separating paddle and the second separating paddle, the deflector rods of the first separating paddle are inserted into deflector rod gaps of the second separating paddle, and the deflector rods of the first separating paddle and the deflector rods of the second separating paddle are provided with overlapped parts in the radial direction; one end of the first separation paddle is provided with a first driven wheel, one end of the second separation paddle is provided with a second driven wheel, and the first driven wheel is meshed with the second driven wheel; the other end of the first separation paddle is fixed with the driving wheel, the driving wheel is meshed with the driving wheel, and the driving wheel is arranged on an output shaft of the motor.
3. The multi-stage rotary screen machine according to claim 1, wherein: the lower end of the reciprocating type screen is provided with a roller which slides on the track, the side end of the screen box is coupled with one end of a swing rod, the other end of the swing rod is coupled with an eccentric wheel, and the eccentric wheel is connected with an output shaft of a swing motor.
4. The multi-stage rotary screen machine according to claim 1, wherein: the screen cloth is fixed on the screen cloth axle, the tip of screen cloth axle sets up the belt pulley, the belt pulley passes through the belt and is connected with the output wheel of screen cloth motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022608614.1U CN213762700U (en) | 2020-11-12 | 2020-11-12 | Multistage rotary screening machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022608614.1U CN213762700U (en) | 2020-11-12 | 2020-11-12 | Multistage rotary screening machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213762700U true CN213762700U (en) | 2021-07-23 |
Family
ID=76915345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022608614.1U Active CN213762700U (en) | 2020-11-12 | 2020-11-12 | Multistage rotary screening machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213762700U (en) |
-
2020
- 2020-11-12 CN CN202022608614.1U patent/CN213762700U/en active Active
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