Sand treatment screening equipment with multiple layers of vibrating screens

Abstract

The sand treatment screening equipment comprises a screening assembly and a dust falling assembly, the dust falling assembly is used for collecting raised dust, and the screening assembly sequentially comprises a first-stage screening seat, a second-stage screening seat, a third-stage screening seat and a fourth-stage screening seat from top to bottom; the first-stage screening base, the second-stage screening base, the third-stage screening base and the fourth-stage screening base each comprise a screen plate assembly and a magnetic separation assembly, and each screening assembly comprises a discharging hopper assembly. According to the technical key points, the sand treatment screening equipment integrates screening and magnetic separation, not only can multi-stage screening be carried out on sand materials, but also magnetic impurities in the sand materials can be independently separated out, the sand material treatment quality is improved, multiple sets of discharging openings are distributed in a staggered mode, the discharging positions of the sand materials with different particle sizes are different, the magnetic impurities are independently discharged, and the sand treatment efficiency is improved. And raised dust generated in the screening process is collected through the dust falling assembly, so that the raised dust is prevented from polluting the working environment.

Description

Technical Field

[0001] The present invention relates to the technical field of sand treatment and screening, and particularly to a sand treatment and screening device with a multi-layer vibrating screen mesh. Background Art

[0002] Sand treatment and screening is a key link in sand processing, mainly used for separating particles of different sizes, removing impurities and breaking aggregates to ensure the uniformity and processing performance of sand. By screening, the sand is classified according to particle size and separated according to particle diameter to meet different process requirements, such as casting, construction, etc.

[0003] Magnetic impurities in sand will affect the purity, physical properties and application effects of sand. Existing sand treatment and screening devices only have the screening function and cannot separately screen out magnetic impurities in sand. During the sand screening process, a large amount of dust will be generated, and the flying dust will pollute the working environment. Summary of the Invention

[0004] Technical problems to be solved: Aiming at the deficiencies of the prior art, the present invention provides a sand treatment and screening device with a multi-layer vibrating screen mesh. The sand treatment and screening device integrates screening and magnetic separation. It can not only perform multi-stage screening on sand, but also separately separate magnetic impurities in sand, improving the treatment quality of sand. The positions of multiple discharge ports are staggered with each other, and the discharge positions of sands with different particle sizes are different. The magnetic impurities are discharged separately, which is conducive to the collection operation. The dust generated during the screening process is collected by a dust reduction component to prevent the flying dust from polluting the working environment, solving the technical problems mentioned in the background art. Technical Solutions

[0005] To achieve the above object, the present invention is realized through the following technical solutions: A sand treatment and screening device with a multi-layer vibrating screen mesh, comprising a screening component and a dust reduction component. The dust reduction component is used to collect the floating dust. The screening component successively includes a first-stage screening seat, a second-stage screening seat, a third-stage screening seat, and a fourth-stage screening seat from top to bottom. The first-stage screening seat, the second-stage screening seat, the third-stage screening seat, and the fourth-stage screening seat all include a sieve plate component and a magnetic separation component. The sieve holes of the sieve plate component of the first-stage screening seat are larger than those of the sieve plate component of the second-stage screening seat. The sieve holes of the sieve plate component of the second-stage screening seat are larger than those of the sieve plate component of the third-stage screening seat. The sieve holes of the sieve plate component of the third-stage screening seat are larger than those of the sieve plate component of the fourth-stage screening seat. The screening component includes a discharge hopper component. The magnetic separation component includes a frame. Two conveying rollers are arranged on the frame. The conveying rollers are driven by a motor. A conveyor belt is driven between the two conveying rollers. A magnetic block is fixedly arranged on the frame. The magnetic block is located between the two conveying rollers. The magnetic impurities in the sand material are adsorbed by the conveyor belt of the magnetic separation component under the action of magnetic attraction and are removed from the material by the conveyor belt, so as to separate the sand material from the magnetic impurities. The screening component includes legs and a connecting frame. The connecting frame is elastically connected to the legs by springs. A vibration motor is installed on the side of the screening component. When the vibration motor works, it drives the first-stage screening seat, the second-stage screening seat, the third-stage screening seat, and the fourth-stage screening seat to perform vibration screening. Based on the exciting force generated by the vibration motor, the sieve surface generates periodic vibration, causing the sand material to move on the sieve surface. Larger particles are thrown forward due to inertia, and smaller particles fall through the sieve holes.

[0006] In a possible implementation manner, the discharge hopper component includes a first discharge hopper, a second discharge hopper, a third discharge hopper, a fourth discharge hopper, a fifth discharge hopper, and a sixth discharge hopper.

[0007] In a possible implementation manner, one end of the first-stage screening seat is connected to the first discharge hopper, one end of the second-stage screening seat is connected to the second discharge hopper, one end of the third-stage screening seat is connected to the third discharge hopper, one end of the fourth-stage screening seat is connected to the fourth discharge hopper, the bottom end of the fourth-stage screening seat is connected to the fifth discharge hopper, and the sixth discharge hopper is arranged on the side of the screening component. The sand material of the first-stage screening seat is discharged through the first discharge hopper, the sand material of the second-stage screening seat is discharged through the second discharge hopper, the sand material of the third-stage screening seat is discharged through the third discharge hopper, the sand material of the fourth-stage screening seat is discharged through the fourth discharge hopper, and the magnetic impurities separated by magnetic separation are discharged through the sixth discharge hopper.

[0008] In a possible implementation manner, the sieve plate component includes a sieve mesh and a blanking plate. The sieve mesh forms a screening area, and the blanking plate forms a blanking area. The magnetic separation component is located in the blanking area. When the sand material moves in the screening area, it is screened through the sieve mesh. When the sand material moves in the blanking area, it undergoes magnetic separation operation through the magnetic separation component.

[0009] In a possible implementation, notches are provided on the first-stage screening seat, the second-stage screening seat, the third-stage screening seat, and the fourth-stage screening seat, and the magnetic separation components are installed in the notches. The notches on the first-stage screening seat, the second-stage screening seat, the third-stage screening seat, and the fourth-stage screening seat all form installation positions.

[0010] In a possible implementation, the first-stage screening seat, the second-stage screening seat, the third-stage screening seat, and the fourth-stage screening seat are all inclined. The screening seats being inclined at a certain angle can cause the sand material to form an accelerating downward dynamic flow state during the screening process, reducing the residence time of the sand material on the screening surface, thereby improving the overall screening speed.

[0011] In a possible implementation, the first-stage screening seat, the second-stage screening seat, the third-stage screening seat, and the fourth-stage screening seat are fixedly connected together through a connecting frame.

[0012] In a possible implementation, the first discharge hopper, the second discharge hopper, the third discharge hopper, the fourth discharge hopper, the fifth discharge hopper, and the sixth discharge hopper all include discharge ports, and the positions of the discharge ports are staggered. Sand materials of different particle sizes have different discharge positions, and the magnetic impurities are discharged separately, which is conducive to the collection operation.

[0013] In a possible implementation, the dust reduction component includes a dust collection box and a dust suction fan. A filter component is provided on the dust collection box, and the filter component is connected to the dust suction fan through a suction pipe.

[0014] In a possible implementation, the dust reduction component includes a dust collection hood. The dust collection hood is connected to the dust collection box through a dust collection pipe. The dust collection box includes a cover plate. The dust generated during the screening process is collected by the dust reduction component to prevent dust from polluting the working environment and ensure the cleanliness of the working environment.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: 1. When the vibration motors of the present invention work to drive the first-stage screening seat, the second-stage screening seat, the third-stage screening seat, and the fourth-stage screening seat to vibrate and screen, the sand material is graded and screened from top to bottom. A magnetic separation component is additionally provided at the tail end of the screening seat. The magnetic impurities in the sand material are adsorbed by the conveyor belt of the magnetic separation component under the action of magnetic attraction and are removed from the conveyor belt for discharging, thereby separating the sand material from the magnetic impurities. The sand treatment and screening equipment integrates screening and magnetic separation. It can not only perform multi-stage screening on the sand material but also separately separate the magnetic impurities in the sand material, improving the treatment quality of the sand material.

[0016] 2. The positions of multiple discharge ports of the present invention are staggered with each other. The discharge positions of sand materials with different particle sizes are different, and magnetic impurities are discharged separately, which is conducive to the collection operation. The screening seat is inclined at a certain angle, which can make the sand materials form a dynamic flow state of accelerated sliding during the screening process, reduce the residence time of the sand materials on the screen surface, and thus improve the overall screening speed.

[0017] 3. The dust reduction component of the present invention is independently arranged. The dust collection cover of the dust reduction component is located above the primary screening seat, and the dust generated during the screening process is collected through the dust reduction component to prevent dust from polluting the working environment and ensure the cleanliness of the working environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The above description is only an overview of the technical solution of the present invention. In order to understand the technical means of the present invention more clearly and implement it according to the content of the specification, the following will describe in detail with reference to the preferred embodiments of the present invention and the accompanying drawings.

[0019] Figure 1 is a schematic diagram of the overall structure of the present invention; Figure 2 is a side view of the overall structure of the present invention; Figure 3 is a schematic diagram of the top view structure of the screening component of the present invention; Figure 4 is a schematic diagram of the bottom view structure of the screening component of the present invention; Figure 5 is a schematic diagram of the structure of the screening component of the present invention after removing the first discharge hopper, the second discharge hopper, the third discharge hopper and the fourth discharge hopper; Figure 6 is a schematic diagram of the structure of the screening component of the present invention after removing the first discharge hopper, the second discharge hopper, the third discharge hopper, the fourth discharge hopper and the sixth discharge hopper; Figure 7 is a schematic diagram of the structure of the primary screening seat of the present invention; Figure 8 is a schematic diagram of the structure of the primary screening seat of the present invention after removing the magnetic separation component; Figure 9 is a schematic diagram of the structure of the magnetic separation component of the present invention; Figure 10 is a schematic diagram of the structure of the dust reduction component of the present invention.

[0020] In the figure: 1. Screening component; 2. Dust-removing component; 3. Magnetic separation component; 4. Vibration motor; 11. First-stage screening seat; 12. Second-stage screening seat; 13. Third-stage screening seat; 14. Fourth-stage screening seat; 15. Sieve plate component; 16. Discharge hopper component; 17. Leg; 18. Connecting frame; 19. Spring; 111. Notch; 151. Screen mesh; 152. Feeding plate; 161. First discharge hopper; 162. Second discharge hopper; 163. Third discharge hopper; 164. Fourth discharge hopper; 165. Fifth discharge hopper; 166. Sixth discharge hopper; 21. Dust collection box; 22. Dust suction fan; 23. Filter component; 24. Suction duct; 25. Dust collection pipe; 26. Dust collection hood; 31. Frame; 32. Conveyor roller; 33. Conveyor belt; 34. Motor; 35. Magnetic block. Detailed implementation manner

[0021] In an embodiment of the present application, by providing a sand treatment and screening device with a multi-layer vibrating screen mesh, the sand treatment and screening device integrates screening and magnetic separation. It can not only perform multi-stage screening on sand materials, but also separately separate magnetic impurities in the sand materials, improving the treatment quality of the sand materials. The positions of multiple groups of discharge ports are staggered with each other, and the discharge positions of sand materials with different particle sizes are different. The magnetic impurities are discharged separately, which is conducive to the collection operation. The dust-removing component is used to collect the dust generated during the screening process to prevent dust from polluting the working environment, solving the technical problems mentioned in the background art.

[0022] The technical solution in the embodiment of the present application is to solve the problems in the above background art, and the general idea is as follows: Embodiment

[0023] Please refer to Figures 1-10, the present invention provides a technical solution: a sand treatment and screening device with a multi-layer vibrating screen, including a screening component 1 and a dust-removing component 2. The dust-removing component 2 is used to collect dust. The screening component 1 includes a primary screening seat 11, a secondary screening seat 12, a tertiary screening seat 13, and a quaternary screening seat 14 from top to bottom. The primary screening seat 11, secondary screening seat 12, tertiary screening seat 13, and quaternary screening seat 14 all include a sieve plate component 15 and a magnetic separation component 3. The screening component 1 includes a discharge hopper component 16. The magnetic separation component 3 includes a frame 31. Two conveying rollers 32 are arranged on the frame 31. The conveying rollers 32 are driven by a motor 34. The two conveying rollers 32 are driven by a conveyor belt 33. A magnetic block 35 is fixedly arranged on the frame 31. The magnetic block 35 is located between the two conveying rollers 32. The screening component 1 includes legs 17 and a connecting frame 18. The connecting frame 18 is elastically connected to the legs 17 through a spring 19. The legs 17 are used to support the overall screening device. The connecting frame 18 can move relative to the legs 17 under the action of an external force. When the connecting frame 18 moves, it drives the primary screening seat 11, secondary screening seat 12, tertiary screening seat 13, and quaternary screening seat 14 to move synchronously. A vibration motor 4 is installed on the side of the screening component 1. The vibration motor 4 is used as the screening power source.

[0024] The screening component 1 is jointly composed of a primary screening seat 11, a secondary screening seat 12, a tertiary screening seat 13, and a quaternary screening seat 14. Each screening seat is arranged in layers. The number of screening seats is selected according to actual use requirements. The sieve holes of the sieve plate component 15 of the primary screening seat 11 are larger than those of the sieve plate component 15 of the secondary screening seat 12. The sieve holes of the sieve plate component 15 of the secondary screening seat 12 are larger than those of the sieve plate component 15 of the tertiary screening seat 13. The sieve holes of the sieve plate component 15 of the tertiary screening seat 13 are larger than those of the sieve plate component 15 of the quaternary screening seat 14. When the vibration motor 4 works to drive the primary screening seat 11, secondary screening seat 12, tertiary screening seat 13, and quaternary screening seat 14 to vibrate and screen, the sand material can be classified and screened from top to bottom. The screened sand material is discharged through the discharge hopper component 16.

[0025] When the motor 34 works, it drives the conveying rollers 32 to rotate, and then drives the conveyor belt 33 to move. The conveyor belt 33 close to the magnetic block 35 generates a magnetic suction force under the action of the magnetic force of the magnetic block 35. When the sand material moves to the magnetic separation area of the magnetic separation component 3, the magnetic impurities in the sand material are adsorbed by the conveyor belt 33 under the action of the magnetic suction force, so as to separate the sand material from the magnetic impurities. The adsorbed magnetic impurities move synchronously with the moving conveyor belt 33. When the conveyor belt 33 moves away from the magnetic block 35, the magnetic suction force disappears, and the magnetic adsorption of the magnetic impurities is released. The magnetic impurities fall under their own gravity and are discharged through the sixth discharge hopper 166. The above actions are cycled during the movement of the conveyor belt 33 to realize the continuous separation of magnetic impurities.

[0026] As Figure 6As shown, magnetic separation components 3 are provided at the ends of the first-stage screening seat 11, the second-stage screening seat 12, the third-stage screening seat 13, and the fourth-stage screening seat 14. The end of the screening seat is the discharge end. After the sand material is screened in the screening area, it enters the discharge end at the end, where magnetic separation is performed to separate magnetic impurities in the sand material. The sand material after magnetic separation enters the discharge hopper assembly 16 and is discharged through the discharge hopper assembly 16. The sand treatment and screening equipment integrates screening and magnetic separation. It can not only perform multi-stage screening on the sand material but also separately separate the magnetic impurities in the sand material, improving the treatment quality of the sand material.

[0027] In some examples, the discharge hopper assembly 16 includes a first discharge hopper 161, a second discharge hopper 162, a third discharge hopper 163, a fourth discharge hopper 164, a fifth discharge hopper 165, and a sixth discharge hopper 166.

[0028] In some examples, one end of the first-stage screening seat 11 is connected to the first discharge hopper 161, one end of the second discharge hopper 162 is connected to the second discharge hopper 162, one end of the third-stage screening seat 13 is connected to the third discharge hopper 163, one end of the fourth-stage screening seat 14 is connected to the fourth discharge hopper 164, the bottom end of the fourth-stage screening seat 14 is connected to the fifth discharge hopper 165, and the sixth discharge hopper 166 is arranged on the side of the screening assembly 1.

[0029] As Figures 1-4 shown, the sand material on the first-stage screening seat 11 is discharged through the first discharge hopper 161, the sand material on the second discharge hopper 162 is discharged through the second discharge hopper 162, the sand material on the third-stage screening seat 13 is discharged through the third discharge hopper 163, the sand material on the fourth-stage screening seat 14 is discharged through the fourth discharge hopper 164, and the magnetic impurities separated by magnetic separation are discharged through the sixth discharge hopper 166.

[0030] The vibration motor 4 operates to drive the first-stage screening seat 11, the second-stage screening seat 12, the third-stage screening seat 13, and the fourth-stage screening seat 14 to vibrate. Based on the exciting force generated by the vibration motor 4, the screen surface generates periodic vibrations, causing the sand material to move on the screen surface. Larger particles are thrown forward due to inertia, and smaller particles fall through the screen holes. By adjusting the working state of the vibration motor 4, the amplitude and vibration frequency are adjusted.

[0031] Pour the sand material to be screened into the first-stage screening seat 11. The large-particle sand material is intercepted on the sieve plate assembly 15 of the first-stage screening seat 11 and discharged through the first discharge hopper 161. The small-particle sand material falls through the sieve holes of the sieve plate assembly 15 of the first-stage screening seat 11 and lands in the second-stage screening seat 12. The large-particle sand material in the second-stage screening seat 12 is intercepted on the sieve plate assembly 15 of the second-stage screening seat 12 and discharged through the second discharge hopper 162. The small-particle sand material falls through the sieve holes of the sieve plate assembly 15 of the second-stage screening seat 12 and lands in the third-stage screening seat 13. The large-particle sand material in the third-stage screening seat 13 is intercepted on the sieve plate assembly 15 of the third-stage screening seat 13 and discharged through the third discharge hopper 163. The small-particle sand material falls through the sieve holes of the sieve plate assembly 15 of the third-stage screening seat 13 and lands in the fourth-stage screening seat 14. The large-particle sand material in the fourth-stage screening seat 14 is intercepted on the sieve plate assembly 15 of the fourth-stage screening seat 14 and discharged through the fourth discharge hopper 164. The small-particle sand material falls through the sieve holes of the sieve plate assembly 15 of the fourth-stage screening seat 14 and is discharged through the fifth discharge hopper 165.

[0032] In some examples, the sieve plate assembly 15 includes a sieve mesh 151 and a blanking plate 152. The sieve mesh 151 forms a screening area, and the blanking plate 152 forms a blanking area. The magnetic separation assembly 3 is located in the blanking area. When the sand material moves in the screening area, it is screened through the sieve mesh 151. When the sand material moves in the blanking area, it undergoes a magnetic separation operation through the magnetic separation assembly 3.

[0033] In some examples, notches 111 are provided on each of the first-stage screening seat 11, the second-stage screening seat 12, the third-stage screening seat 13, and the fourth-stage screening seat 14, and the magnetic separation assembly 3 is installed in the notches 111.

[0034] The notch 111 of the first-stage screening seat 11 forms an installation position, the notch 111 of the second-stage screening seat 12 forms an installation position, the notch 111 of the third-stage screening seat 13 forms an installation position, and the notch 111 of the fourth-stage screening seat 14 forms an installation position. Multiple groups of installation positions are used to install the magnetic separation assembly 3. The installation of multiple groups of magnetic separation assemblies 3 does not affect the compactness of the structure of the sand treatment and screening equipment and reduces the generation of dust.

[0035] In some examples, the first-stage screening seat 11, the second-stage screening seat 12, the third-stage screening seat 13, and the fourth-stage screening seat 14 are all inclined. Inclining at a certain angle can make the sand material form an accelerating downward dynamic flow state during the screening process, reduce the residence time of the sand material on the sieve surface, thereby improving the overall screening speed, ensuring the effective movement trajectory of the material in the sieve holes, and avoiding incomplete screening or material blockage caused by insufficient gravity, so as to improve the screening accuracy.

[0036] In some examples, the first-stage screening seat 11, the second-stage screening seat 12, the third-stage screening seat 13, and the fourth-stage screening seat 14 are fixedly connected together through a connecting frame 18.

[0037] The connection between the outrigger 17 and the connecting frame 18 is an elastic connection, that is, the connection between the outrigger 17 and the first-stage screening seat 11, the second-stage screening seat 12, the third-stage screening seat 13, and the fourth-stage screening seat 14 is an elastic connection. The first-stage screening seat 11, the second-stage screening seat 12, the third-stage screening seat 13, and the fourth-stage screening seat 14 can all move relative to the outrigger 17 under the drive of the vibration motor 4.

[0038] By adopting the above technical solution: When the vibration motor 4 works to drive the first-stage screening seat 11, the second-stage screening seat 12, the third-stage screening seat 13, and the fourth-stage screening seat 14 to vibrate and screen, the sand material is graded and screened from top to bottom. A magnetic separation component 3 is additionally provided at the tail end of the screening seat. The magnetic impurities in the sand material are adsorbed by the conveyor belt 33 of the magnetic separation component 3 under the action of magnetic attraction, and are taken out of the material by the conveyor belt 33, so as to separate the sand material from the magnetic impurities. The sand treatment and screening equipment integrates screening and magnetic separation, and can not only perform multi-stage screening on the sand material, but also separately separate the magnetic impurities in the sand material, improving the treatment quality of the sand material. Embodiment

[0039] Based on Embodiment 1, this embodiment introduces the specific structure of the discharge hopper assembly 16 in a sand treatment and screening equipment with a multi-layer vibrating screen. The first discharge hopper 161, the second discharge hopper 162, the third discharge hopper 163, the fourth discharge hopper 164, the fifth discharge hopper 165, and the sixth discharge hopper 166 all include discharge ports, and the positions of the discharge ports are staggered with each other.

[0040] As Figure 1 、 Figure 3 and Figure 4 shown, although the discharge ports of the first discharge hopper 161, the second discharge hopper 162, the third discharge hopper 163, and the fourth discharge hopper 164 are distributed in the same direction, the positions of the discharge ports are staggered with each other. Although the discharge port directions of the fifth discharge hopper 165 and the sixth discharge hopper 166 are both downward, their positions are different and their functions are also different. The fifth discharge hopper 165 is used for discharging the last-stage sand material, and the sixth discharge hopper 166 is used for discharging the magnetic impurities. The discharge positions of the sand materials with different particle sizes are different, which is beneficial to the collection operation. Embodiment

[0041] Based on Embodiment 1 and Embodiment 2, this embodiment introduces the specific structure of the dust reduction component 2 in a sand treatment and screening equipment with a multi-layer vibrating screen. The dust reduction component 2 includes a dust collection box 21 and a dust suction fan 22. A filter component 23 is provided on the dust collection box 21, and the filter component 23 is connected to the dust suction fan 22 through an air extraction pipe 24.

[0042] When the dust suction fan 22 is working, air is drawn through the air extraction pipe 24, creating a negative pressure inside the dust collection box 21. As a result, a negative pressure is generated in the dust collection pipe 25 and the dust collection hood 26. Under the action of the negative pressure, the floating dust is concentrated and enters the dust collection hood 26, then enters the dust collection pipe 25 through the dust collection hood 26, and further enters the dust collection box 21 through the dust collection pipe 25. The filtering component 23 filters the dust-containing gas, and the dust is intercepted inside the dust collection box 21 while the air is discharged normally, thereby achieving dust reduction.

[0043] In some examples, the dust reduction component 2 includes a dust collection hood 26. The dust collection hood 26 is connected to the dust collection box 21 through a dust collection pipe 25. The dust collection box 21 includes a cover plate that can be opened and closed. The interior of the dust collection box 21 and the filtering component 23 can be cleaned by opening the cover plate.

[0044] By adopting the above technical solution: The dust reduction component 2 is independently provided. The dust collection hood 26 of the dust reduction component 2 is located above the primary screening base 11. The floating dust generated during the screening process is collected by the dust reduction component 2, thereby preventing the floating dust from polluting the working environment and ensuring the cleanliness of the working environment.

[0045] Finally, it should be noted that: Obviously, the above embodiments are merely examples for clearly illustrating the present invention and are not limitations on the implementation manners. For those of ordinary skill in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation manners here. And the obvious changes or modifications derived therefrom are still within the protection scope of the present invention.

Claims

1. A sand treatment and screening device with a multi-layer vibrating screen, comprising a screening component (1) and a dust reduction component (2), characterized in that: The dust-removing component (2) is used to collect flying dust. The screening component (1) successively includes a primary screening seat (11), a secondary screening seat (12), a tertiary screening seat (13), and a quaternary screening seat (14) from top to bottom. The primary screening seat (11), secondary screening seat (12), tertiary screening seat (13), and quaternary screening seat (14) all include a sieve plate component (15) and a magnetic separation component (3). The screening component (1) includes a discharge hopper component (16). The magnetic separation component (3) includes a frame (31). Two sets of conveying rollers (32) are arranged on the frame (31). The conveying rollers (32) are driven by a motor (34). A conveyor belt (33) is used for transmission between the two sets of conveying rollers (32). A magnetic block (35) is fixedly arranged on the frame (31). The magnetic block (35) is located between the two sets of conveying rollers (32). The screening component (1) includes legs (17) and a connecting frame (18). The connecting frame (18) is elastically connected to the legs (17) through a spring (19). A vibration motor (4) is installed on the side of the screening component (1).

2. The sand treatment and screening equipment of a multi-layer vibrating screen mesh according to claim 1, characterized in that: The discharge hopper component (16) includes a first discharge hopper (161), a second discharge hopper (162), a third discharge hopper (163), a fourth discharge hopper (164), a fifth discharge hopper (165), and a sixth discharge hopper (166).

3. The sand treatment and screening device of a multi-layer vibrating screen mesh according to claim 2, characterized in that: One end of the primary screening seat (11) is connected to the first discharge hopper (161). One end of the secondary screening seat (12) is connected to the second discharge hopper (162). One end of the tertiary screening seat (13) is connected to the third discharge hopper (163). One end of the quaternary screening seat (14) is connected to the fourth discharge hopper (164). The bottom end of the quaternary screening seat (14) is connected to the fifth discharge hopper (165). The sixth discharge hopper (166) is arranged on the side of the screening component (1).

4. The sand treatment and screening device of a multi-layer vibrating screen mesh according to claim 1, characterized in that: The sieve plate component (15) includes a sieve mesh (151) and a blanking plate (152). The sieve mesh (151) forms a screening area. The blanking plate (152) forms a blanking area. The magnetic separation component (3) is located in the blanking area.

5. The sand treatment and screening equipment for a multi-layer vibrating screen mesh according to claim 1, characterized in that: Notches (111) are formed on the primary screening seat (11), secondary screening seat (12), tertiary screening seat (13), and quaternary screening seat (14). The magnetic separation component (3) is installed in the notches (111).

6. The sand treatment and screening equipment of a multi-layer vibrating screen mesh according to claim 1, characterized in that: The primary screening seat (11), secondary screening seat (12), tertiary screening seat (13), and quaternary screening seat (14) are all inclined.

7. The sand treatment and screening device of a multi-layer vibrating screen mesh according to claim 1, characterized in that: The primary screening seat (11), secondary screening seat (12), tertiary screening seat (13), and quaternary screening seat (14) are fixedly connected together through the connecting frame (18).

8. The sand treatment and screening equipment of a multi-layer vibrating screen mesh according to claim 2, characterized in that: The first discharge hopper (161), second discharge hopper (162), third discharge hopper (163), fourth discharge hopper (164), fifth discharge hopper (165), and sixth discharge hopper (166) all include discharge ports, and the positions of the discharge ports are staggered.

9. The sand treatment and screening device of a multi-layer vibrating screen mesh according to claim 1, characterized in that: The dust-removing component (2) includes a dust collection box (21) and a dust suction fan (22). A filtering component (23) is arranged on the dust collection box (21), and the filtering component (23) is connected to the dust suction fan (22) through a suction pipe (24).

10. The sand treatment and screening equipment of a multi-layer vibrating screen mesh according to claim 9, characterized in that: The dust-removing component (2) includes a dust collection hood (26), and the dust collection hood (26) is connected to the dust collection box (21) through a dust collection pipe (25). The dust collection box (21) includes a cover plate.

Images