Adjustable underflow opening

By designing an adjustable underflow port and using a servo motor to drive the gate to automatically adjust the size of the underflow port, the time-consuming and labor-intensive problem caused by the fixed underflow port of the traditional coal slime hydrocyclone is solved, realizing the efficient and flexible operation of the coal slime hydrocyclone and saving manpower.

CN223587378UActive Publication Date: 2025-11-25WEIHAI HAIWANG HYDROCYCLONE
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202423064376.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-12
Publication Date
2025-11-25
Estimated Expiration
2034-12-12

AI Technical Summary

Technical Problem

The fixed underflow port of traditional coal slime hydrocyclones requires frequent replacement when on-site operating conditions change, which is time-consuming and labor-intensive. In addition, coal washing plants lack manpower and cannot meet the need for flexible adjustments.

Method used

An adjustable underflow outlet is designed, which achieves automatic adjustment by driving a gate with a servo motor. The upper and lower underflow pipes are connected by an adjustment component. The gate is equipped with guide holes of different diameters, which can automatically adjust the size of the underflow outlet according to the characteristics of coal slime.

Benefits of technology

It improves the flexibility and efficiency of liquid handling systems, reduces manpower requirements, has a simple structure, is easy to operate, is highly adaptable, can operate stably in various environments, and is easy to maintain.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223587378U_ABST
    Figure CN223587378U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of coal washing equipment, in particular to an adjustable underflow port, which is provided with an upper underflow pipe and a lower underflow pipe, and is characterized in that the upper underflow pipe and the lower underflow pipe are connected through an adjusting component, and the adjusting component comprises an adjusting controller, a fixture shell and a flashboard. The upper end and the lower end of the clamp shell are connected with the upper underflow pipe and the lower underflow pipe respectively, the flashboard is installed in the clamp shell and provided with at least two through holes with different calibers, the side face of the flashboard is connected with the adjusting controller, and the flashboard is pulled through the adjusting controller so that the through holes with the different calibers can be communicated with the upper underflow pipe and the lower underflow pipe respectively. The device has the advantages of being simple in structure, convenient to operate, time-saving and labor-saving, capable of effectively improving the flexibility and efficiency of a liquid treatment system and the like.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to coal preparation equipment technical field, concretely is a kind of adjustable underflow, which is simple in structure, easy to operate, time-saving and labor-saving, and can effectively improve the flexibility and efficiency of liquid treatment system. BACKGROUND

[0002] As known, in the process of coal preparation, slime cyclone is commonly used separation equipment, for separating fine particles from water in slime. The underflow of traditional slime cyclone is fixed, and the size of underflow needs to be adjusted in time when field conditions change, and a large number of personnel are needed to replace underflow. At present, there is a shortage of manpower in most coal preparation plants, resulting in time-consuming and laborious replacement of underflow. SUMMARY

[0003] The utility model discloses a kind of adjustable underflows, which are simple in structure, easy to operate, time-saving and labor-saving, and can effectively improve the flexibility and efficiency of liquid treatment system.

[0004] The utility model discloses the technical scheme employed to solve its technical problems is as follows:

[0005] An adjustable underflow is provided with an underflow upper pipe and an underflow lower pipe, characterized in that the underflow upper pipe and the underflow lower pipe are connected through an adjusting assembly, the adjusting assembly includes an adjusting controller, a clamp shell and a gate plate, the clamp shell is connected with the underflow upper pipe and the underflow lower pipe at its upper and lower ends respectively, the gate plate is installed inside the clamp shell, at least two through holes with different diameters are provided on the gate plate, the side surface of the gate plate is connected with the adjusting controller, and the through holes with different diameters are respectively communicated with the underflow upper pipe and the underflow lower pipe by pulling the gate plate through the adjusting controller.

[0006] The clamp shell includes an upper clamp, a lower clamp and a sealing gasket, the upper clamp and the lower clamp are connected through buckling, and the sealing gasket is fixed to the inner side surface of the upper clamp and the lower clamp and contacts the upper and lower end surfaces of the gate plate.

[0007] The outer side of the clamp shell is provided with a fixed shell, the fixed shell is wrapped around the outer side of the clamp shell and fixedly connected with the clamp shell.

[0008] The adjusting controller is fixed on the fixed shell, and the output end of the adjusting controller is fixedly connected with the end part of the gate plate by extending into the fixed shell.

[0009] The fixed shell includes an upper cover plate, a lower cover plate and a fixed frame, the upper and lower ends of the fixed frame are fixedly connected with the upper cover plate and the lower cover plate respectively, and the fixed frame is fixedly connected with the clamp shell.

[0010] The adjusting controller is a servo motor, which drives the gate plate to move.

[0011] The gate plate includes a gate plate shell and a gate plate lining, and the gate plate shell is provided with a fixing hole.

[0012] The upper end diameter of the gate plate lining is the same, and the lower end diameter of the gate plate lining is different, so as to change the diameter of the through hole of the gate plate.

[0013] The beneficial effects are as follows:

[0014] 1. High degree of automation: connecting the adjusting controller with the coal washing control system can automatically adjust the size of the underflow according to the characteristics of coal slime.

[0015] 2. Strong adaptability: can automatically adjust according to the particle size distribution and concentration of different coal slime to ensure the best separation effect.

[0016] 3. High reliability: reasonable design, stable operation in various working environments.

[0017] 4. Easy maintenance: simple structure, easy to maintain and repair.

[0018] 5. Labor saving: one to two people can meet the replacement of underflow, and relieve the pressure of insufficient personnel in the coal washing plant. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a perspective view of the structure of the utility model.

[0020] Figure 2 is Figure 1 A-A direction sectional view.

[0021] Figure 3 is a structural schematic view of the gate plate.

[0022] Figure 4 is a sectional view of the gate plate. DETAILED DESCRIPTION

[0023] The utility model is further described below in combination with the drawings:

[0024] As shown in the drawings, an adjustable underflow port is provided with an underflow upper pipe 1 and an underflow lower pipe 2, characterized in that the underflow upper pipe 1 and the underflow lower pipe 2 are connected through an adjusting assembly, the adjusting assembly comprises an adjusting controller 4, a clamping shell, a shutter 3, the upper and lower ends of the clamping shell are connected with the underflow upper pipe 1 and the underflow lower pipe 2 respectively, the shutter 3 is installed inside the clamping shell, the shutter 3 is provided with at least two through holes 13 of different diameters, the side surface of the shutter 3 is connected with the adjusting controller 4, and the through holes 13 of different diameters are respectively communicated with the underflow upper pipe 1 and the underflow lower pipe 2 by pulling the shutter 3 through the adjusting controller 4.

[0025] Further, the clamping shell comprises an upper clamping piece 5, a lower clamping piece 6 and a sealing gasket 7, the upper clamping piece 5 and the lower clamping piece 6 are connected in a buckling manner, and the sealing gasket 7 is fixed to the inner side surfaces of the upper clamping piece 5 and the lower clamping piece 6 and contacts the upper and lower end surfaces of the shutter 3.

[0026] Further, the outer side of the clamping shell is provided with a fixed shell, the fixed shell is wrapped around the outer side of the clamping shell and is fixedly connected with the clamping shell.

[0027] Further, the adjusting controller 4 is fixed to the fixed shell, and the output end of the adjusting controller 4 extends into the fixed shell and is fixedly connected with the end of the shutter 3.

[0028] Further, the fixed shell comprises an upper cover plate 8, a lower cover plate 9 and a fixed frame 10, the upper and lower ends of the fixed frame 10 are fixedly connected with the upper cover plate 8 and the lower cover plate 9 respectively, and the fixed frame 10 is fixedly connected with the clamping shell.

[0029] Further, the adjusting controller 4 is a servo motor, and the shutter 3 is moved by the servo motor.

[0030] Further, the shutter 3 comprises a shutter shell 11 and a shutter lining 12, the shutter shell 11 is provided with fixed holes respectively, the shutter lining 12 is fixedly connected to the inner wall of the fixed holes, and the holes of the shutter lining 12 are the through holes 13.

[0031] Further, the upper end of the shutter lining 12 has the same diameter, the lower end of the shutter lining 12 has different diameters, and the diameters of the through holes 13 of the shutter 3 are changed by the different diameters of the lower end of the shutter lining 12.

[0032] The utility model discloses when making installation, the upper end of bottom flow upper pipe 1 connects flange, and bottom flow upper pipe 1 is fixedly connected through flange and the bottom export of cyclone, and the upper fixture 5 and lower fixture 6 are respectively clamped in the upper and lower two ends of inside protruding structure of fixed frame 10, can through welding also can through fixed bolt connection, and the upper fixture 5 and lower fixture 6 are respectively equipped with connecting hole, and the upper fixture 5 and lower fixture 6 are communicated with bottom flow upper pipe 1 and bottom flow lower pipe 2 respectively through connecting hole, when using, the shutter 3 is driven to draw between the upper fixture 5 and lower fixture 6 through servo motor, and then the different caliber through hole 13 on the shutter 3 is communicated with bottom flow upper pipe 1 and bottom flow lower pipe 2, can automatically regulate the size of bottom flow port according to the characteristic of coal slime, to optimize the separation effect, and one or two people can satisfy the replacement of bottom flow, alleviate the pressure of the shortage of personnel in coal washery, Figure 1 Or Figure 3 The φ1 and φ2 in the formula represent different caliber through holes, and the utility model has the advantages of simple structure, convenient operation, time and labor saving, effectively improving the flexibility and efficiency of the liquid treatment system, etc.

Claims

1. An adjustable underflow, provided with an underflow upper tube and an underflow lower tube, characterized in that The bottom flow upper pipe and the bottom flow lower pipe are connected through an adjusting assembly, the adjusting assembly comprises an adjusting controller, a clamp shell and a shutter, the upper and lower ends of the clamp shell are connected with the bottom flow upper pipe and the bottom flow lower pipe respectively, the shutter is installed inside the clamp shell, the shutter is provided with at least two through holes with different diameters, the side of the shutter is connected with the adjusting controller, and the through holes with different diameters are respectively communicated with the bottom flow upper pipe and the bottom flow lower pipe by pulling the shutter through the adjusting controller.

2. An adjustable underflow according to claim 1, characterized in that The clamp shell comprises an upper clamp, a lower clamp and a sealing gasket, the upper clamp and the lower clamp are connected through buckling, and the sealing gasket is fixed to the inner side of the upper clamp and the lower clamp and is in contact with the upper and lower end faces of the shutter.

3. An adjustable underflow according to claim 1, characterized in that The outer side of the clamp shell is provided with a fixed shell, the fixed shell is wrapped around the outer side of the clamp shell and is fixedly connected with the clamp shell.

4. The adjustable underflow according to claim 1, wherein The adjusting controller is fixed on the fixed shell, and the output end of the adjusting controller is fixedly connected with the end of the shutter and extends into the fixed shell.

5. An adjustable underflow according to claim 3, wherein The fixed shell comprises an upper cover plate, a lower cover plate and a fixed frame, the upper and lower ends of the fixed frame are fixedly connected with the upper cover plate and the lower cover plate respectively, and the fixed frame is fixedly connected with the clamp shell.

6. An adjustable underflow according to claim 1, characterized in that The adjusting controller is a servo motor, and the shutter is moved by the servo motor.

7. An adjustable underflow according to claim 1, wherein The shutter comprises a shutter shell and a shutter lining, the shutter shell is provided with fixed holes respectively, the shutter lining is fixedly connected to the inner wall of the fixed holes, and the holes of the shutter lining are through holes.

8. An adjustable underflow according to claim 7, characterized in that The upper end of the shutter lining is of the same diameter, the lower end of the shutter lining is of different diameters, and the diameters of the through holes of the shutter are changed through the different diameters of the lower end of the shutter lining.