Device for optimizing stability of suspension

Abstract

The utility model discloses a device for optimizing suspension stability, which comprises a heavy medium cyclone, the left side of the heavy medium cyclone is communicated with an overflow pipe, the bottom end of the overflow pipe is rotatably connected with a swing pipe, and a transverse plate is fixedly mounted on the left side of the heavy medium cyclone. According to the coal slime discharging device, discharging is achieved through swinging of the swinging pipe, coal slime can be evenly laid on the inner wall of the discharging groove, meanwhile, the coal slime is further divided and guided through matched use of the flow dividing block and the flow dividing net, and therefore the uniformity of the coal slime falling to the top of the vibrating screen from the discharging groove is improved; then thin coal slime and clean coal slime in the coal slime are screened through the vibrating screen, then the clean coal slime is discharged through the clean coal discharging hopper, and therefore the coal slime discharged from the overflow opening is subjected to vibrating screening, the thin coal slime enters the lower portion of the screen, and the high-concentration concentrated clean coal slime on the screen rapidly enters the medium mixing barrel; and thus, the purpose of ensuring that the mud content in the suspension reaches the standard requirement is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of heavy medium coal washing, in particular to a device for optimizing the stability of suspension. Background Art

[0002] The washing indicators of a heavy medium coal washing plant depend on the structure and stability of the suspension. The suspension consists of water, medium, and coal slime. The four major factors in coal washing and sorting are pressure, liquid level, density, and viscosity (mud content). (Mud content includes clean coal slime and middling slime. Clean coal slime has low ash content and low viscosity. Clean coal slime can optimize the suspension structure, improve sorting conditions, and increase recovery rate. Therefore, the higher the proportion of clean coal slime in the suspension, the better). 1. The mud content in the suspension mainly plays a role in stability. 2. The size of the mud content determines the sorting and tangent points of clean coal and middling coal in the cyclone. If the mud content is too high, the viscosity of the suspension increases, which is not conducive to stratification. If the mud content is too low, the stability of the suspension deteriorates, and the tangent and stratification are unstable. The clean coal washed out has a large proportion of middling coal, high ash content, large middling loss, and low recovery rate, which are difficult to control.

[0003] When the existing mud storage system is working, water and mud enter the heavy medium system together, resulting in low suspension density, large medium loss, and low clean coal recovery rate. The mud content is difficult to reach the required mud content in a short time or even a whole day, resulting in unstable suspension structure. The proportion of medium coal in the third-level floating dust of clean coal is large, the ash content is high, the medium loss is large, the clean coal recovery rate is low, and the qualified rate is low. Therefore, a device is needed to optimize the stability of the suspension. By vibrating and screening the coal mud discharged from the overflow port, the thin coal mud and water are removed and enter the screen, and the high-concentration concentrated clean coal mud on the screen quickly enters the mixing barrel, thereby ensuring that the mud content in the suspension meets the standard requirements. Utility Model Content

[0004] The purpose of the utility model is to provide a device for optimizing the stability of the suspension. By vibrating and screening the coal slime discharged from the overflow port, the thin coal slime and water are removed and enter the screen, and the high-concentration concentrated coal slime on the screen quickly enters the mixing barrel, thereby ensuring that the mud content in the suspension meets the standard requirements, so as to solve the technical problems raised by the above-mentioned background technology.

[0005] The technical solution of the utility model for solving the above technical problems is as follows: A device for optimizing the stability of a suspension comprises a heavy medium cyclone: ​​the left side of the heavy medium cyclone is connected with an overflow pipe, the bottom end of the overflow pipe is rotatably connected with a swinging pipe, a horizontal plate is fixedly installed on the left side of the heavy medium cyclone, an electric telescopic rod is fixedly installed on the top of the horizontal plate by bolts, the output end of the electric telescopic rod is fixedly connected with a slider through a flange, an extension plate is fixedly connected to the surface of the swinging tube, an inclined groove is provided on the top of the extension plate, a dial shaft is provided on the top of the slider, a vibrating screen is provided on the left side of the heavy medium cyclone, a discharge chute is fixedly installed on the top of the vibrating screen, a clean coal discharge hopper is connected to the upper rear side of the vibrating screen, a lean coal discharge hopper is connected to the lower left side of the vibrating screen, and a diverter block and a diverter net are fixedly connected to the inner wall of the discharge chute.

[0006] Preferably, the bottom of the slider is slidably connected to the transverse plate, and the top of the transverse plate is provided with a sliding groove adapted to the slider.

[0007] Preferably, the bottom end of the shift shaft is rotatably connected to the slider, the top end of the shift shaft extends to the inner cavity of the inclined groove, and the surface of the shift shaft fits with the inner wall of the inclined groove.

[0008] Preferably, the top and right side of the heavy medium cyclone are connected with a feed inlet and an underflow outlet respectively.

[0009] Preferably, there are multiple diverter blocks, and each diverter block is a stainless steel hollow block.

[0010] 1. The beneficial effects of the utility model are as follows: the utility model uses the swinging discharge of the swing pipe to evenly lay the coal slime on the inner wall of the discharge chute, and at the same time, the diversion block and the diversion net are used in conjunction to further divert and guide the coal slime, thereby improving the uniformity of the coal slime when it falls from the discharge chute to the top of the vibrating screen, and improving the uniformity of the coal slime laying on the top of the vibrating screen. Subsequently, the vibrating screen is used to screen the thin coal slime and the clean coal slime in the coal slime, and then the clean coal slime is discharged through the clean coal discharge hopper, so that the coal slime discharged from the overflow port can be vibrated and screened, so that the thin coal slime and water are removed and enter the bottom of the screen, and the high-concentration concentrated clean coal slime on the screen quickly enters the mixing barrel, thereby ensuring that the mud content in the suspension meets the standard requirements.

[0011] 2. The utility model limits the movement of the slider by setting the slide groove, thereby avoiding the slider from shaking when moving left and right.

[0012] 3. The utility model reduces the friction when the shift shaft shifts the inner wall of the inclined groove through the rotation setting of the shift shaft, avoids the occurrence of large resistance when the shift shaft shifts the inner wall of the inclined groove, and reduces loss. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] in:

[0014] Figure 1 This is a structural diagram of an embodiment of the utility model;

[0015] Figure 2 This is an embodiment of the utility model Figure 1 A partial enlarged view of point A;

[0016] Figure 3 This is a three-dimensional schematic diagram of a diversion block and a diversion network according to an embodiment of the present utility model;

[0017] Figure 4 This is a three-dimensional schematic diagram of the inclined groove and the shift shaft in one embodiment of the utility model.

[0018] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0019] 1. Heavy medium cyclone, 2. Overflow pipe, 3. Swing pipe, 4. Horizontal plate, 5. Electric telescopic rod, 6. Slider, 7. Chute, 8. Extension plate, 9. Chute, 10. Diverter shaft, 11. Vibrating screen, 12. Discharge chute, 13. Clean coal discharge hopper, 14. Lean coal discharge hopper, 15. Diverter block, 16. Diverter net. DETAILED DESCRIPTION

[0020] Hereinafter, embodiments of the device for optimizing suspension stability of the present invention will be described with reference to the accompanying drawings.

[0021] Example 1:

[0022] Figure 1-4The device for optimizing the stability of a suspension according to an embodiment of the present invention is shown, which includes a heavy medium cyclone 1: the left side of the heavy medium cyclone 1 is connected to an overflow pipe 2, the bottom end of the overflow pipe 2 is rotatably connected to a swinging pipe 3, a horizontal plate 4 is fixedly installed on the left side of the heavy medium cyclone 1, an electric telescopic rod 5 is fixedly installed on the top of the horizontal plate 4 by bolts, the output end of the electric telescopic rod 5 is fixedly connected to a slider 6 by a flange, an extension plate 8 is fixedly connected to the surface of the swinging tube 3, an inclined groove 9 is provided on the top of the extension plate 8, a dial shaft 10 is provided on the top of the slider 6, the bottom end of the dial shaft 10 is rotatably connected to the slider 6, and the top end of the dial shaft 10 extends to the inner cavity of the inclined groove 9 The surface of the dial shaft 10 fits with the inner wall of the chute 9. The rotation of the dial shaft 10 reduces the friction when the dial shaft 10 moves the inner wall of the chute 9, avoids the occurrence of large resistance when the dial shaft 10 moves the inner wall of the chute 9, and reduces the loss. The top and right side of the heavy medium cyclone 1 are respectively connected to the feed port and the underflow port. The left side of the heavy medium cyclone 1 is provided with a vibrating screen 11. The top of the vibrating screen 11 is fixedly installed with a discharge chute 12. The upper rear side of the vibrating screen 11 is connected to a clean coal discharge hopper 13. The lower left side of the vibrating screen 11 is connected to a lean coal discharge hopper 14. The inner wall of the discharge chute 12 is fixedly connected to a diverter block 15 and a diverter net 16.

[0023] Example 2:

[0024] Figure 1-4 The utility model shows an apparatus for optimizing the stability of a suspension according to an embodiment of the present invention, which includes a heavy medium cyclone 1: an overflow pipe 2 is connected to the left side of the heavy medium cyclone 1, and a swing pipe 3 is rotatably connected to the bottom end of the overflow pipe 2. A horizontal plate 4 is fixedly installed on the left side of the heavy medium cyclone 1, and an electric telescopic rod 5 is fixedly installed on the top of the horizontal plate 4 by bolts. The output end of the electric telescopic rod 5 is fixedly connected to a slider 6 through a flange. The bottom of the slider 6 is slidably connected to the horizontal plate 4, and a chute 7 adapted to the slider 6 is opened on the top of the horizontal plate 4. The movement of the slider 6 is limited by the setting of the chute 7 to avoid In order to prevent the slider 6 from shaking when moving left and right, an extension plate 8 is fixedly connected to the surface of the swing tube 3, and an inclined groove 9 is provided on the top of the extension plate 8. A dial shaft 10 is provided on the top of the slider 6. A vibrating screen 11 is provided on the left side of the heavy medium cyclone 1. A discharge chute 12 is fixedly installed on the top of the vibrating screen 11. A clean coal discharge hopper 13 is connected to the upper rear side of the vibrating screen 11, and a lean coal discharge hopper 14 is connected to the lower left side of the vibrating screen 11. The inner wall of the discharge chute 12 is fixedly connected to a diverter block 15 and a diverter net 16. There are multiple diverter blocks 15, and the diverter blocks 15 are stainless steel hollow blocks.

[0025] Working principle: When the utility model is used, the user opens the heavy medium cyclone 1 to discharge the coal slime into the discharge chute 12 through the overflow pipe 2 and the swing pipe 3. During this process, the electric telescopic rod 5 is turned on to drive the dial shaft 10 to move back and forth through the slider 6. Then the dial shaft 10 moves the inner wall of the chute 9 and drives the swing pipe 3 to swing out the material through the extension plate 8, so that the coal slime can be evenly laid on the inner wall of the discharge chute 12. At the same time, the diverter block 15 and the diverter net 16 are used in conjunction to further divert and guide the coal slime, thereby improving the coal slime falling from the discharge chute 12 to the The uniformity of the top of the vibrating screen 11 improves the uniformity of the coal slime laying on the top of the vibrating screen 11. Then the vibrating screen 11 is turned on to screen the dilute coal slime and clean coal slime in the coal slime, and then the clean coal slime is discharged to the external mixing barrel through the clean coal discharge hopper 13. At the same time, the dilute coal slime and water are discharged through the dilute coal discharge hopper 14, and the coal slime discharged from the overflow is vibrated and screened, so that the dilute coal slime and water are removed and enter the bottom of the screen, and the high-concentration concentrated clean coal slime on the screen quickly enters the mixing barrel, thereby ensuring that the mud content in the suspension meets the standard requirements.

[0026] In summary: the device for optimizing the stability of the suspension, through the swinging discharge of the swing pipe 3, allows the coal slime to be evenly laid on the inner wall of the discharge trough 12, and at the same time, through the coordinated use of the diverter block 15 and the diverter net 16, further diverts and guides the coal slime, thereby improving the uniformity of the coal slime when it falls from the discharge trough 12 to the top of the vibrating screen 11, and improving the uniformity of the coal slime laying on the top screen of the vibrating screen 11. Subsequently, the vibrating screen 11 is used to screen the dilute coal slime and the clean coal slime in the coal slime, and then the clean coal slime is discharged through the clean coal discharge hopper 13, so as to achieve the purpose of vibrating and screening the coal slime discharged from the overflow port, so that the dilute coal slime and water are removed and enter the underscreen, and the high-concentration concentrated clean coal slime on the screen quickly enters the combining barrel, thereby ensuring that the mud content in the suspension meets the standard requirements.

Claims

1. A device for optimizing the stability of a suspension, characterized in that: The invention comprises a heavy medium cyclone (1): the left side of the heavy medium cyclone (1) is connected to an overflow pipe (2), the bottom end of the overflow pipe (2) is rotatably connected to a swing pipe (3), the left side of the heavy medium cyclone (1) is fixedly installed with a transverse plate (4), the top of the transverse plate (4) is fixedly installed with an electric telescopic rod (5) by means of bolts, the output end of the electric telescopic rod (5) is fixedly connected to a slider (6) by means of a flange, the surface of the swing pipe (3) is fixedly connected to an extension plate (8), and the extension plate (8) A chute (9) is provided on the top of the slider (6), a shifting shaft (10) is provided on the top of the heavy medium cyclone (1), a vibrating screen (11) is provided on the left side of the heavy medium cyclone (1), a feed chute (12) is fixedly installed on the top of the vibrating screen (11), a clean coal discharge hopper (13) is connected to the upper rear side of the vibrating screen (11), a lean coal discharge hopper (14) is connected to the lower left side of the vibrating screen (11), and a diverter block (15) and a diverter net (16) are fixedly connected to the inner wall of the feed chute (12).

2. A device for optimizing suspension stability according to claim 1, characterized in that: The bottom of the sliding block (6) is slidably connected to the transverse plate (4), and the top of the transverse plate (4) is provided with a sliding groove (7) adapted to the sliding block (6).

3. A device for optimizing suspension stability according to claim 2, characterized in that: The bottom end of the shifting shaft (10) is rotatably connected to the slider (6), the top end of the shifting shaft (10) extends to the inner cavity of the inclined groove (9), and the surface of the shifting shaft (10) fits the inner wall of the inclined groove (9).

4. A device for optimizing suspension stability according to claim 3, characterized in that: The top and right side of the heavy medium cyclone (1) are respectively connected with a feed inlet and an underflow outlet.

5. A device for optimizing suspension stability according to claim 4, characterized in that: The number of the diverter blocks (15) is plural, and the diverter blocks (15) are stainless steel hollow blocks.

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