Powder raw material screening equipment for drilling aid production

Abstract

The utility model relates to the field of screening equipment, in particular to powder raw material screening equipment for drilling aid production, which comprises a collecting box, a rack arranged on the side surface of the collecting box, a mounting rack rotatably connected to the upper end of the rack, a screening barrel rotatably arranged on the mounting rack, and a driving mechanism connected with the screening barrel, the rack is provided with a rotating mechanism connected with the mounting frame, a bearing plate is arranged in the collecting box, a discharging pipe is arranged on the side wall of the collecting box, the lower end of the discharging pipe is flush with the bearing plate, and the discharging pipe is connected with a collecting bin. The screening device has the advantage that unqualified powder can be conveniently taken out from the screening device.

Description

Technical Field

[0001] The utility model relates to the field of screening equipment, in particular to a powder raw material screening equipment for the production of drilling aids. Background Art

[0002] Drilling aids are auxiliary supplies used in drilling operations. Their functions include crushing the core, carrying cuttings, lubricating and cooling the drill bit, balancing formation pressure, and protecting the wellbore. Drilling aids are formulated from a variety of raw materials, including not only liquid raw materials but also solid raw materials. In order to be evenly mixed in the liquid raw materials, the solid raw materials need to be ground into fine powder. To meet the particle size requirements and avoid being too large to be mixed in the liquid raw materials, the powder raw materials need to be screened. The existing screening equipment is not convenient for removing unqualified powder from the screening equipment. Therefore, it is particularly necessary to develop a powder raw material screening equipment for the production of drilling aids that is convenient for removing unqualified powder from the screening equipment. Summary of the Invention

[0003] The purpose of the utility model is to provide a powder raw material screening equipment for the production of drilling aids, which has the advantage of being convenient for removing unqualified powder from the screening equipment.

[0004] The adopted technical scheme is as follows:

[0005] A powder raw material screening equipment for the production of drilling aids includes a collection box. A frame is arranged on the side of the collection box. An installation frame is rotatably connected to the upper end of the frame. A screening cylinder with one end open is rotatably arranged on the installation frame. The installation frame is provided with a driving mechanism connected to the screening cylinder. The frame is provided with a rotating mechanism connected to the installation frame. A supporting plate is arranged in the collection box. A discharge pipe is arranged on the side wall of the collection box. The lower end of the discharge pipe is flush with the supporting plate. The discharge pipe is connected to a collection bin.

[0006] Preferably, an installation rod is arranged on the installation frame below the screening cylinder. A first brush in contact with the screening cylinder is arranged at the upper end of the installation rod.

[0007] Preferably, the supporting plate extends obliquely, and the end of the supporting plate close to the discharge pipe is the lowest end.

[0008] Preferably, the supporting plate includes a support plate and a filter cloth. A plurality of through holes are formed in the support plate. The filter cloth is laid on the upper end surface of the supporting plate. An induced draft fan is arranged below the collection box. The induced draft fan includes an air inlet pipe, and the air inlet pipe extends into the bottom end of the collection box. A rotating shaft is vertically rotatably arranged in the middle of the support plate. A cross beam is arranged on the rotating shaft above the support plate. A second brush is arranged at the lower end of the cross beam. A first driving motor connected to the rotating shaft is fixedly arranged on the lower end surface of the support plate.

[0009] Preferably, a conveying screw is rotatably arranged in the discharge pipe. The conveying screw is connected with a transmission shaft, and a second driving motor connected with the transmission shaft is arranged in the collection bin.

[0010] Preferably, the rotating mechanism comprises a worm and worm gear mechanism and a third driving motor. The third driving motor comprises an output shaft, and the output shaft is coaxially connected with the worm.

[0011] Compared with the prior art, the beneficial effects are as follows:

[0012] 1. The utility model uses a rotating screening cylinder to screen the powder in the screening cylinder. The powder with qualified particle size falls from the screening cylinder and enters the collection box, and the powder with larger particle size remains in the screening cylinder. When there is a lot of powder that cannot fall in the screening cylinder, the rotating mechanism controls the mounting frame to rotate to tilt the screening cylinder to pour out the powder raw material in the screening cylinder, which is convenient for taking out the unqualified powder from the screening equipment.

[0013] 2. The supporting plate of the utility model comprises a supporting plate and a filter cloth. An induced draft fan is arranged below the collection box. The induced draft fan comprises an air inlet pipe, and the air inlet pipe extends to the bottom end inside the collection box. The rotating cross beam pushes the powder to the discharge pipe. Under the action of the induced draft fan, the powder adheres to the filter cloth, thereby reducing the dust during the screening process. Description of the Drawings

[0014] Figure 1 is a schematic structural diagram of a powder raw material screening device for producing drilling aids of the utility model,

[0015] Figure 2 is Figure 1 a schematic structural diagram of the position A in

[0016] Figure 3 is a schematic structural diagram of the discharge state of a powder raw material screening device for producing drilling aids of the utility model,

[0017] In the figure: 1. Collection box, 2. Frame, 3. Mounting frame, 4. Screening cylinder, 5. Driving mechanism, 6. Mounting rod, 7. First brush, 8. Supporting plate, 9. Discharge pipe, 10. Collection bin, 11. Conveying screw, 12. Transmission shaft, 13. Second driving motor, 16. Induced draft fan, 17. Air inlet pipe, 18. Rotating shaft, 19. Cross beam, 20. Second brush, 21. First driving motor. Detailed Embodiments

[0018] The following further describes the utility model with reference to specific embodiments, as Figures 1 to 3 shown:

[0019] Embodiment 1: A screening device for powder raw materials used in the production of drilling aids, including a collection box 1. A frame 2 is provided on the side of the collection box 1. The upper end of the frame 2 is rotatably connected to a mounting frame 3. A screening cylinder 4 with one end open is rotatably arranged on the mounting frame 3. The mounting frame 3 is provided with a driving mechanism 5 connected to the screening cylinder 4. The driving mechanism 5 drives the screening cylinder 4 to rotate. The frame 2 is provided with a rotating mechanism connected to the mounting frame 3, and the rotating mechanism drives the mounting frame 3 to rotate.

[0020] A supporting plate 8 is arranged in the collection box 1. A discharge pipe 9 is arranged on the side wall of the collection box 1. The lower end of the discharge pipe 9 is flush with the supporting plate 8. The discharge pipe 9 is connected to a collection bin 10. The rotating screening cylinder 4 screens the powder inside the screening cylinder 4. The powder with qualified particle size falls from the screening cylinder 4 and enters the collection box 1, while the powder with larger particle size remains in the screening cylinder 4. When there is a large amount of powder that cannot fall in the screening cylinder 4, the rotating mechanism controls the mounting frame 3 to rotate to tilt the screening cylinder 4 to pour out the powder raw materials in the screening cylinder 4, and the powder falling into the collection box 1 enters the collection bin 10 from the discharge pipe 9.

[0021] Embodiment 2: A screening device for powder raw materials used in the production of drilling aids, including a collection box 1. A frame 2 is provided on the side of the collection box 1. The upper end of the frame 2 is rotatably connected to a mounting frame 3. A screening cylinder 4 with one end open is rotatably arranged on the mounting frame 3. The mounting frame 3 is provided with a driving mechanism 5 connected to the screening cylinder 4. The driving mechanism 5 drives the screening cylinder 4 to rotate. The frame 2 is provided with a rotating mechanism connected to the mounting frame 3.

[0022] The rotating mechanism includes a worm and worm gear mechanism and a third driving motor. The third driving motor includes an output shaft, and the output shaft is coaxially connected to the worm. The rotating mechanism drives the mounting frame 3 to rotate. An installation rod 6 is arranged on the mounting frame 3 below the screening cylinder 4. A first brush 7 in contact with the screening cylinder 4 is arranged at the upper end of the installation rod 6. The first brush 7 rubs the side wall of the screening cylinder 4 to reduce the blockage of the screening cylinder 4.

[0023] A supporting plate 8 is arranged in the collection box 1. A discharge pipe 9 is arranged on the side wall of the collection box 1. The lower end of the discharge pipe 9 is flush with the supporting plate 8. The discharge pipe 9 is connected to a collection bin 10. The supporting plate 8 extends obliquely, and the end of the supporting plate 8 close to the discharge pipe 9 is the lowest end, facilitating the powder to enter the discharge pipe 9 along the supporting plate 8. A conveying screw 11 is rotatably arranged in the discharge pipe 9. The conveying screw 11 is connected to a transmission shaft 12. The collection bin 10 is provided with a second driving motor 13 connected to the transmission shaft 12.

[0024] The supporting plate 8 includes a support plate and a filter cloth. A plurality of through holes are formed in the support plate. The filter cloth is laid on the upper end surface of the supporting plate 8. An induced draft fan 16 is arranged below the collection box 1. The induced draft fan 16 includes an air inlet pipe 17. The air inlet pipe 17 extends into the bottom end of the collection box 1. A rotating shaft 18 is vertically rotatably arranged in the middle of the support plate. A cross beam 19 is arranged on the rotating shaft 18 above the support plate. A second brush 20 is arranged at the lower end of the cross beam 19. A first driving motor 21 connected to the rotating shaft 18 is fixedly arranged on the lower end surface of the support plate. The rotating cross beam 19 pushes the powder to the discharge pipe 9. Under the action of the induced draft fan 16, the powder adheres to the filter cloth, thereby reducing the dust during the screening process.

[0025] The specific working process is as follows: When screening the powder, the screening cylinder 4 is rotated to the horizontal state by the rotating mechanism, and the driving mechanism 5 is started. The driving mechanism 5 drives the screening cylinder 4 to rotate. The rotating screening cylinder 4 screens the powder in the screening cylinder 4. The powder with qualified particle size falls from the screening cylinder 4 and enters the collection box 1, and the powder with larger particle size remains in the screening cylinder 4. During this process, the induced draft fan 16, the first driving motor 21 and the second driving motor 13 are started. The rotating cross beam 19 pushes the powder to the discharge pipe 9. Under the action of the conveying screw 11, the powder enters the collection bin 10. During the process of the powder falling, the induced draft fan 16 reduces the dust during the screening process. When there is more powder in the screening cylinder 4 that cannot fall, the rotating mechanism controls the mounting frame 3 to rotate to make the screening cylinder 4 tilt to pour out the powder raw material in the screening cylinder 4.

[0026] The above embodiments are only the preferred embodiments of the present invention, and cannot be used to limit the scope of protection of the present invention. Any non-substantial changes and substitutions made by those skilled in the art based on the present invention belong to the scope of protection required by the present invention.

Claims

1. A powder raw material screening device for drilling additive production, characterized in that: It includes a collecting box, a frame is arranged on the side of the collecting box, a mounting frame is rotatably connected to the upper end of the frame, a screening cylinder with an opening at one end is rotatably arranged on the mounting frame, a driving mechanism connected to the screening cylinder is arranged on the mounting frame, the frame is provided with a rotating mechanism connected to the mounting frame, a supporting plate is arranged in the collecting box, a discharge pipe is arranged on the side wall of the collecting box, the lower end of the discharge pipe is flush with the supporting plate, and the discharge pipe is connected to the collecting bin.

2. The powder raw material screening equipment for drilling aid production according to claim 1, characterized in that: A mounting rod is arranged on the mounting frame below the screening cylinder, and a first brush in contact with the screening cylinder is arranged on the upper end of the mounting rod.

3. The powder raw material screening equipment for drilling aid production according to claim 1, characterized in that: The supporting plate extends obliquely, and the end of the supporting plate close to the discharge pipe is the lowest end.

4. The powder raw material screening equipment for drilling aid production according to claim 1, characterized in that: The support plate includes a support plate and a filter cloth. The support plate is provided with a plurality of through holes. The filter cloth is laid on the upper end surface of the support plate. An induced draft fan is arranged below the collecting box. The induced draft fan includes an air inlet pipe. The air inlet pipe extends into the bottom end of the collecting box. A rotating shaft is arranged vertically in the middle of the support plate. A cross beam is arranged on the rotating shaft above the support plate. A second brush is arranged at the lower end of the cross beam. A first driving motor connected to the rotating shaft is fixedly arranged on the lower end surface of the support plate.

5. The powder raw material screening equipment for drilling aid production according to claim 1, characterized in that: A conveying screw is rotatably arranged in the discharge pipe, the conveying screw is connected with a transmission shaft, and the collection bin is provided with a second driving motor connected with the transmission shaft.

6. The powder raw material screening equipment for drilling aid production according to claim 1, characterized in that: The rotating mechanism comprises a worm gear mechanism and a third driving motor. The third driving motor comprises an output shaft, and the output shaft is coaxially connected to the worm gear.

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