Screening device for barite powder processing production raw materials

Abstract

The utility model discloses a barite powder processing production raw material screening device which comprises a fixing tank, a temporary storage frame is fixed to the upper end of an inner cavity of the fixing tank, a filter screen is embedded in the bottom of the temporary storage frame, a stirring assembly is arranged in an inner cavity of the temporary storage frame, and a fixing cylinder is fixed to the center of the bottom of the inner cavity of the fixing tank. Raw materials falling into the temporary storage frame are stirred and pushed through the stirring assembly, the raw materials are conveniently and preliminarily screened through the filter screen, then the raw materials are conveyed into the cylinder, the driving assembly drives the rotating shaft to drive the spiral blades to convey the raw materials, the raw materials are screened again through the screening holes in the conveying process, and the screening efficiency is improved. And then the remaining raw materials can be guided into the fixed tank through the flow guide pipe, meanwhile, the discharged raw materials can be transferred to the position above the fixed tank again through the flow guide pipe to be repeatedly screened, the raw materials can be conveniently and thoroughly screened at a time, meanwhile, the size of screening holes can be controlled, and barite powder of different sizes can be screened.

Description

Technical Field

[0001] The utility model relates to the technical field of screening, in particular to a raw material screening device for barite powder processing and production. Background Art

[0002] Screening is a method of separating particles according to their size, specific gravity, charge, magnetism and other powder properties. Screening is the process of using a perforated sieve to separate mixed materials of different particle sizes into various particle size grades.

[0003] In the prior art, the Chinese utility model with publication number: CN215744677U discloses a device for screening raw materials for barite powder processing, including a screening box and a screening mechanism arranged inside the screening box, the screening mechanism including a first screen rotatably arranged above the inside of the screening box, a second screen rotatably arranged below the inside of the screening box, and a driving mechanism arranged in the middle of the screening box for driving the first screen and the second screen to swing, a first slider is provided at the lower end of the first screen for sliding, and a second slider is provided at the upper end of the second screen for sliding. In the utility model, the barite powder production raw materials can be screened in multiple stages through the screening mechanism, and the barite powder production raw materials can be dusted by flushing with clean water, so as to obtain production raw materials with better quality, and the driving of the two reciprocating components by the driving motor greatly improves the energy utilization rate, and also improves the production efficiency.

[0004] In the above technical solution, the first screen and the second screen are driven to swing by the driving assembly. When the first screen and the second screen are swinging in the screening box, the first screen and the second screen cannot be completely fitted with the screening box, which may easily cause the raw materials to fall directly without being screened. At the same time, when the raw materials from above fall too much, the first screen cannot screen the raw materials quickly, causing part of the raw materials to directly flow out of the screening box through the first screen. The raw materials are not completely screened and require repeated screening, resulting in low screening efficiency. Utility Model Content

[0005] The purpose of the utility model is to provide a raw material screening device for barite powder processing and production, which stirs and pushes the raw materials falling into the temporary storage frame through a stirring component, facilitates the filter to perform preliminary screening of the raw materials, and then transports the raw materials into a cylindrical barrel, and drives the rotating shaft to drive the spiral blades to transport the raw materials through the driving component. During the transportation process, the screening holes are used to screen them again, and then the remaining raw materials can be introduced into a fixed tank through a guide pipe. At the same time, the guide pipe can also be used to transfer the discharged raw materials to the top of the fixed tank for repeated screening, so that the raw materials can be thoroughly screened in a single time to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a raw material screening device for barite powder processing and production, comprising a fixed tank, a temporary storage frame is fixed at the upper end of the inner cavity of the fixed tank, a filter screen is embedded at the bottom of the temporary storage frame, a stirring assembly is provided in the inner cavity of the temporary storage frame, a fixed cylinder is fixed at the center of the bottom of the inner cavity of the fixed tank, the top of the fixed cylinder is fixedly connected to the bottom of the temporary storage frame, three groups of feed ports for barite powder to enter are opened around the top of the fixed tank, three groups of cylindrical cylinders are fixed on the outer side of the fixed cylinder, and the The inner cavity of the cylindrical barrel is rotatably connected to a rotating shaft through a bearing, a spiral blade is fixed to the outside of the rotating shaft, the outer side of the spiral blade is in contact with the inner wall of the cylindrical barrel, the top of the cylindrical barrel is connected to a feeding channel, the end of the feeding channel away from the cylindrical barrel is connected to the bottom of the temporary storage frame, the inner cavity of the fixed barrel is provided with a driving component for driving the rotating shaft, a plurality of screening holes are provided at the bottom of the cylindrical barrel, the outer side of the fixed tank is connected to three groups of joints which penetrate the cylindrical barrel, and the outer side of the joint is rotatably connected to a guide tube through a bearing.

[0007] Preferably, the stirring assembly includes a stirring motor fixed at the top center of the fixed tank, the output shaft of the stirring motor passes through the inner cavity of the fixed tank and is fixed with a stirring shaft, and the bottom of the stirring shaft extends to the inner cavity of the temporary storage frame and is fixed with a stirring impeller.

[0008] Preferably, the driving assembly includes a driving motor fixed to the bottom of the fixed tank, the output shaft of the driving motor passes through the inner cavity of the fixed cylinder and is fixed with a movable shaft that rotates in the inner cavity of the fixed cylinder through a bearing, a first bevel gear is fixed to the outer side of the movable shaft, and the opposite end of the rotating shaft passes through the inner cavity of the fixed cylinder and is fixed with a second bevel gear, and the second bevel gear is located above the first bevel gear and meshes with the first bevel gear.

[0009] Preferably, a feed frame is fixed to the bottom of the cylindrical barrel, the feed frame is located outside the screening hole, the bottom of the feed frame is connected to a feed pipe, and one end of the feed pipe away from the feed frame passes through to the outside of the fixed tank.

[0010] Preferably, a fixing piece for limiting the position of the guide tube is fixed to the outer side of the fixing tank, and a ring connected by a limiting rope is sleeved on the outer side of the fixing piece.

[0011] Preferably, a feeding funnel is fixed on the top of the fixed tank, and the feeding funnel is located above the feeding port.

[0012] Preferably, the mesh size of the filter screen is smaller than the aperture of the sieving hole, and the cylindrical barrel is arranged at an incline.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model stirs and pushes the raw materials falling into the temporary storage frame through the stirring component, so that the filter screen can preliminarily screen the raw materials, and then the raw materials are transported to the cylindrical barrel. The driving component drives the rotating shaft to drive the spiral blades to transport the raw materials. During the transportation process, the screening holes are used to screen them again, and then the remaining raw materials can be introduced into the fixed tank through the guide pipe. At the same time, the guide pipe can also be used to transfer the discharged raw materials to the top of the fixed tank for repeated screening. It is convenient to screen the raw materials thoroughly in a single time, and the size of the screening holes can be controlled to screen barite powder of different particle sizes.

[0015] The utility model can limit and fix the flow guide pipe after rotation through the fixing piece and the limiting rope, thereby ensuring the stability of the flow guide pipe during the raw material transportation process. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 It is a schematic diagram of the cross-sectional three-dimensional structure of the fixed tank of the utility model;

[0018] Figure 3 It is a schematic diagram of the cross-sectional three-dimensional structure of the temporary storage frame of the utility model;

[0019] Figure 4 It is a schematic diagram of the cross-sectional three-dimensional structure of the fixing cylinder of the utility model;

[0020] Figure 5 It is a three-dimensional structural schematic diagram of the cylindrical barrel of the utility model;

[0021] Figure 6 This is a schematic diagram of the structure of the fixing member of the utility model.

[0022] Numbers in the figure: 1. Fixed tank; 2. Temporary storage frame; 3. Filter; 4. Stirring assembly; 41. Stirring motor; 42. Stirring shaft; 43. Stirring impeller; 5. Fixed cylinder; 6. Cylindrical cylinder; 7. Rotating shaft; 8. Spiral blade; 9. Discharge channel; 10. Driving assembly; 101. Driving motor; 102. Movable shaft; 103. First bevel gear; 104. Second bevel gear; 11. Screening hole; 12. Guide pipe; 13. Discharge frame; 14. Discharge pipe; 15. Fixing part; 16. Ring; 17. Limiting rope; 18. Discharge funnel. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] The utility model provides Figures 1 to 6 The device for screening raw materials for barite powder processing shown in the figure comprises a fixed tank 1, a temporary storage frame 2 is fixed at the upper end of the inner cavity of the fixed tank 1, a filter screen 3 is embedded at the bottom of the temporary storage frame 2, a stirring assembly 4 is arranged in the inner cavity of the temporary storage frame 2, a fixed cylinder 5 is fixed at the center of the bottom of the inner cavity of the fixed tank 1, the top of the fixed cylinder 5 is fixedly connected to the bottom of the temporary storage frame 2, three groups of feed ports for barite powder to enter are opened around the top of the fixed tank 1, three groups of cylindrical cylinders 6 are fixed on the outer side of the fixed cylinder 5, and the inner cavity of the cylindrical cylinder 6 rotates through a bearing A rotating shaft 7 is connected, a spiral blade 8 is fixed on the outside of the rotating shaft 7, the outside of the spiral blade 8 is attached to the inner wall of the cylindrical barrel 6, a feeding channel 9 is connected to the top of the cylindrical barrel 6, and the end of the feeding channel 9 away from the cylindrical barrel 6 is connected to the bottom of the temporary storage frame 2, the inner cavity of the fixed barrel 5 is provided with a driving component 10 for driving the rotating shaft 7, and a plurality of screening holes 11 are provided at the bottom of the cylindrical barrel 6. The outside of the fixed tank 1 is connected with three groups of joints that penetrate the cylindrical barrel 6, and the outside of the joint is rotatably connected with a guide pipe 12 through a bearing;

[0025] The raw materials falling into the temporary storage frame 2 are stirred and pushed by the stirring component 4, so that the filter screen 3 can preliminarily screen the raw materials, and then the raw materials are transported to the cylindrical barrel 6. The driving component 10 drives the rotating shaft 7 to drive the spiral blades 8 to transport the raw materials. During the transportation process, the screening holes 11 are used to screen them again, and then the remaining raw materials can be introduced into the fixed tank 1 through the guide pipe 12. At the same time, the guide pipe 12 can also be used to transfer the discharged raw materials to the top of the fixed tank 1 for repeated screening, so that the raw materials can be thoroughly screened in a single time. At the same time, the size of the screening holes 11 can be controlled to screen barite powder of different sizes.

[0026] The stirring assembly 4 includes a stirring motor 41 fixed at the top center of the fixed tank 1. The output shaft of the stirring motor 41 passes through the inner cavity of the fixed tank 1 and is fixed with a stirring shaft 42. The bottom of the stirring shaft 42 extends to the inner cavity of the temporary storage frame 2 and is fixed with a stirring impeller 43. The stirring motor 41 drives the stirring shaft 42 to rotate, and the stirring shaft 42 drives the stirring impeller 43 to rotate, so as to stir the raw materials in the temporary storage frame 2, so as to facilitate the screening and filtration of the raw materials through the filter net 3 and filter out fine particles of the raw materials.

[0027] The driving assembly 10 includes a driving motor 101 fixed to the bottom of the fixed tank 1, the output shaft of the driving motor 101 passes through the inner cavity of the fixed cylinder 5 and is fixed with a movable shaft 102 that rotates in the inner cavity of the fixed cylinder 5 through a bearing, a first bevel gear 103 is fixed to the outer side of the movable shaft 102, and the opposite end of the rotating shaft 7 passes through the inner cavity of the fixed cylinder 5 and is fixed with a second bevel gear 104, the second bevel gear 104 is located above the first bevel gear 103 and meshes with the first bevel gear 103, the movable shaft 102 is driven to rotate by the driving motor 101, and then the movable shaft 102 drives the second bevel gear 104 to rotate through the first bevel gear 103, so that the rotating shaft 7 drives the spiral blade 8 to rotate, and the raw materials entering the cylindrical cylinder 6 through the discharge channel 9 are transported and moved, and when passing through the screening hole 11, the screening hole 11 is used to screen the raw materials again.

[0028] A feeding frame 13 is fixed at the bottom of the cylindrical barrel 6, and the feeding frame 13 is located outside the screening hole 11. A feeding pipe 14 is connected to the bottom of the feeding frame 13. One end of the feeding pipe 14 away from the feeding frame 13 passes through the outside of the fixed tank 1. Through the arrangement of the feeding frame 13 and the feeding pipe 14, it is convenient to collect and guide the raw materials screened by the screening hole 11, so as to avoid confusion with the raw materials screened by the fastening filter net 3 in the fixed tank 1.

[0029] A fixing part 15 for limiting the guide tube 12 is fixed on the outside of the fixed tank 1. A circular ring 16 connected by a limiting rope 17 is sleeved on the outside of the fixing part 15. The end of the guide tube 12 away from the fixed tank 1 is a hose. The fixing part 15 and the limiting rope 17 can be used to limit and fix the guide tube 12 after rotation, thereby ensuring the stability of the guide tube 12 during the raw material transportation process.

[0030] A feeding hopper 18 is fixed on the top of the fixed tank 1. The feeding hopper 18 is located above the feeding port. The setting of the feeding hopper 18 facilitates the collection of raw materials and prevents the raw materials from splashing outward.

[0031] The mesh size of the filter screen 3 is smaller than the aperture of the sieve hole 11, and the cylindrical barrel 6 is set at an angle. By setting the aperture size of the filter screen 3 and the sieve hole 11, it is convenient to screen the raw materials in batches and screen raw materials of different particle sizes.

[0032] When in use, the barite powder to be screened is added into the fixed tank 1 from the feeding hopper 18, and then the stirring motor 41 is started. The stirring motor 41 drives the stirring shaft 42 to rotate, and the stirring shaft 42 drives the stirring impeller 43 to rotate to stir the raw materials, so that the raw materials pass through the top of the filter screen 3 in turn, and the filter screen 3 is used to screen the fine particles in the raw materials. The fine particles fall directly into the fixed tank 1. After the stirring motor 41 is started for a period of time, the driving motor 101 is started again, and the driving motor 101 drives the movable shaft 102 to rotate, and the movable shaft 102 drives the first bevel gear 103 to rotate, and the first bevel gear 10 The rotating shaft 7 is driven to rotate by the second bevel gear 104, and the rotating shaft 7 drives the spiral blade 8 in the cylindrical barrel 6 to push the raw material to move. When the raw material passes through the screening hole 11, the raw material is screened again, and the screened particles enter the discharge pipe 14 from the discharge frame 13 and are discharged from the fixed tank 1. At the same time, the remaining raw material flows out of the fixed tank 1 from the guide pipe 12. When the particles inside the remaining raw material are of different sizes, the guide pipe 12 is rotated and connected to the fixed member 15 by a traction rope, so that the guide pipe 12 transports the raw material to the top of the fixed tank 1 and re-enters the fixed tank 1 through the discharge funnel 18 for uninterrupted screening again.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A raw material screening device for barite powder processing, comprising a fixed tank (1), characterized in that: A temporary storage frame (2) is fixed at the upper end of the inner cavity of the fixed tank (1), a filter screen (3) is embedded at the bottom of the temporary storage frame (2), a stirring assembly (4) is provided in the inner cavity of the temporary storage frame (2), a fixed cylinder (5) is fixed at the center of the bottom of the inner cavity of the fixed tank (1), the top of the fixed cylinder (5) is fixedly connected to the bottom of the temporary storage frame (2), three groups of feed ports for facilitating the entry of barite powder are provided around the top of the fixed tank (1), three groups of cylindrical cylinders (6) are fixed on the outer side of the fixed cylinder (5), the inner cavity of the cylindrical cylinder (6) is rotatably connected to a rotating shaft (7) through a bearing, and the rotating shaft (7) is connected to the inner cavity of the fixed cylinder (5). ) is fixed with a spiral blade (8) on the outside, the outer side of the spiral blade (8) is in contact with the inner wall of the cylindrical barrel (6), the top of the cylindrical barrel (6) is connected with a feeding channel (9), the end of the feeding channel (9) away from the cylindrical barrel (6) is connected with the bottom of the temporary storage frame (2), the inner cavity of the fixed barrel (5) is provided with a driving component (10) for driving the rotating shaft (7), the bottom of the cylindrical barrel (6) is provided with a plurality of groups of screening holes (11), the outer side of the fixed tank (1) is connected with three groups of joints that penetrate the cylindrical barrel (6), and the outer side of the joint is rotatably connected with a guide pipe (12) through a bearing.

2. A barite powder processing and production raw material screening device according to claim 1, characterized in that: The stirring assembly (4) comprises a stirring motor (41) fixed at the top center of the fixed tank (1), the output shaft of the stirring motor (41) penetrates the inner cavity of the fixed tank (1) and is fixed with a stirring shaft (42), and the bottom of the stirring shaft (42) extends to the inner cavity of the temporary storage frame (2) and is fixed with a stirring impeller (43).

3. A barite powder processing and production raw material screening device according to claim 1, characterized in that: The driving assembly (10) comprises a driving motor (101) fixed to the bottom of the fixed tank (1); the output shaft of the driving motor (101) passes through the inner cavity of the fixed cylinder (5) and is fixed with a movable shaft (102) that rotates in the inner cavity of the fixed cylinder (5) through a bearing; a first bevel gear (103) is fixed to the outer side of the movable shaft (102); an opposite end of the rotating shaft (7) passes through the inner cavity of the fixed cylinder (5) and is fixed with a second bevel gear (104); the second bevel gear (104) is located above the first bevel gear (103) and meshes with the first bevel gear (103).

4. A barite powder processing and production raw material screening device according to claim 1, characterized in that: A material discharge frame (13) is fixed at the bottom of the cylindrical barrel (6), the material discharge frame (13) is located outside the screening hole (11), and a material discharge pipe (14) is connected to the bottom of the material discharge frame (13), and one end of the material discharge pipe (14) away from the material discharge frame (13) passes through the outside of the fixed tank (1).

5. A barite powder processing and production raw material screening device according to claim 1, characterized in that: A fixing piece (15) for limiting the position of the flow guide pipe (12) is fixed on the outside of the fixing tank (1), and a circular ring (16) connected by a limiting rope (17) is sleeved on the outside of the fixing piece (15).

6. A barite powder processing and production raw material screening device according to claim 1, characterized in that: A material discharge funnel (18) is fixed on the top of the fixed tank (1), and the material discharge funnel (18) is located above the material feed port.

7. A barite powder processing and production raw material screening device according to claim 1, characterized in that: The mesh size of the filter screen (3) is smaller than the aperture of the sieving hole (11), and the cylindrical barrel (6) is arranged in an inclined manner.

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