Novel slime water coarse cutting box

Abstract

The utility model relates to a novel slime water coarse cutting box which comprises a box body, two oppositely-arranged limiting frames are fixed to the inner side wall of the box body, a detachable filter screen is connected between the two limiting frames in a sliding mode, the top of the box body is connected with a top cover through bolts, the interior of the box body is divided into a feeding cavity and a discharging cavity through the filter screen, and the top cover is fixedly communicated with a feeding pipe. The bottom of the box body fixedly communicates with a coarse particle discharging pipe, and the coarse particle discharging pipe and the feeding pipe both communicate with the feeding cavity. After entering the box body through the feeding pipe, the coal slime water is guided and buffered by the baffle and then filtered by the filter screen, the coal slime water subjected to coarse cutting is discharged through the coal slime water feeding pipe and enters the next link to be treated, coarse particles are intercepted by the filter screen and discharged to a nearby trench through the coarse particle discharging pipe to be recycled, and meanwhile gas in the coal slime water can be discharged. And the top cover is detached, so that the filter screen can be conveniently taken out for cleaning, and the device can conveniently filter and cut coarse particles of the slime water.

Description

TECHNICAL FIELD

[0001] The utility model relates to a coal preparation plant pipeline technology especially a novel coal slime water coarse particle cutting tank. BACKGROUND

[0002] The commonly used recovery process of coal slime water of the coal preparation plant is firstly concentrated through a thickener, the underflow is recovered through a filter press, and the overflow is used as circulating water, and the coal slime water is closed-circuit circulated in the whole production process without being discharged.

[0003] However, since the screen, centrifuge basket and the like are worn with use, coarse particles enter the coal slime water recovery system, and the coarse particle running phenomenon is common in the production of the coal preparation plant, the coarse particles cause damage to the filter cloth of the filter press, affect the filtering effect of the filter press, and the coal slime water pipe directly enters the thickener through the pipeline, and the pipeline contains certain gas, which causes the thickener to be "turned over", so that the coarse particles that should sink enter the circulating water system, the sedimentation effect is poor, the quality of the circulating water is not up to standard, and the subsequent production is affected. SUMMARY

[0004] The utility model discloses a novel coal slime water coarse particle cutting tank, which is used to solve the problem of coarse particle filtration of coal slime water in the existing coal slime water recovery process.

[0005] In order to solve the above problems, the utility model provides a novel coal slime water coarse particle cutting tank, which comprises a box body, two oppositely arranged limiting frames are fixed to the inner side wall of the box body, a detachable filter screen is slidably connected between the two limiting frames, a top cover is connected to the top of the box body through bolts, the filter screen divides the inside of the box body into a feeding cavity and a discharging cavity, a feeding pipe is fixedly and communicatively arranged on the top cover, a coarse particle discharging pipe is fixedly and communicatively arranged at the bottom of the box body, the coarse particle discharging pipe and the feeding pipe are both in communication with the feeding cavity, a coal slime water discharging pipe is fixedly and communicatively arranged at the bottom of one side of the box body and in communication with the discharging cavity, a baffle is arranged in the feeding cavity and fixedly connected to the inner wall of the box body, and a gap is left between the baffle and the filter screen.

[0006] The novel coal slime water coarse particle cutting tank provided by the utility model also has the following technical features:

[0007] Further, a valve is fixedly installed at the bottom of the coarse particle discharging pipe.

[0008] Further, supports are fixedly and respectively connected to the two sides of the box body.

[0009] Further, a stepped plate is arranged above the baffle, and the gap between the stepped plate and the filter screen is greater than the gap between the baffle and the filter screen.

[0010] Further, a backing plate is fixed at the bottom of the feeding cavity in the box body, and a circular hole in communication with the coarse particle discharging pipe is formed in the backing plate.

[0011] Further, the upper side of the backing plate is fixed with an inclined plate, and the inclined plate is located on the side of the backing plate away from the filter screen.

[0012] The utility model discloses have following beneficial effect: coal slime water enters into the box after entering the feed pipe, and after the baffle direction and buffering, the coal slime water of rough cutting is discharged and enters next link processing through filter screen filtration, and the coarse particle is intercepted by filter screen, and is discharged to nearby ditch in the nearest rough particle discharge pipe, and is handled, can discharge gas in coal slime water simultaneously, and by dismantling top cover, then conveniently take out filter screen and clean, make the device conveniently filter coarse particle of coal slime water, avoid that coarse particle can cause the damage of filter press filter cloth, influence filter press effect, avoid the problem of the coal slime water pipe through pipeline direct entry thickener, and there is certain gas in pipeline. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is the axial measurement diagram of the embodiment of the utility model;

[0014] Fig. 2 It is the main view cut -open diagram of the embodiment of the utility model;

[0015] Fig. 3 It is the main view cut -open diagram of the embodiment of the utility model;

[0016] Fig. 4 It is the right view cut -open diagram of the embodiment of the utility model. DETAILED DESCRIPTION

[0017] The utility model will be explained in detail below with reference to the drawings and in combination with the embodiments. It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict.

[0018] As Figs. 1 to 4The utility model discloses a novel coal slime water rough cutting box's embodiment shown in the utility model discloses a novel coal slime water rough cutting box, including box 1, the inside wall of box 1 is fixed with two opposite limit frame 2 of setting, the detachable filter screen 3 of sliding connection is arranged between two limit frame 2, the top of box 1 is connected with top cover 4 through bolt, filter screen 3 divides the inside of box 1 into feed cavity and discharge cavity, top cover 4 is fixedly connected with feed pipe 5, the bottom of box 1 is fixedly connected with coarse particle discharge pipe 6, and coarse particle discharge pipe 6 and feed pipe 5 all communicate with feed cavity, the bottom of box 1 one side is fixedly connected with coal slime water discharge pipe 7, and coal slime water discharge pipe 7 communicates with discharge cavity, is equipped with baffle 8 in feed cavity, and baffle 8 is fixedly connected with the inner wall of box 1, and the clearance between baffle 8 and filter screen 3 is left, after coal slime water enters into the inside of box 1 through feed pipe 5, through baffle 8 direction and buffer and then filter through filter screen 3, and the coal slime water after rough cutting is discharged through coal slime water discharge pipe 7 and enters the next link processing, and the coarse particle is intercepted by filter screen 3, and is arranged to nearby ditch through coarse particle discharge pipe 6, carries out recovery processing, can simultaneously discharge gas in coal slime water, by top cover 4 is dismantled, and then filter screen 3 is taken out and cleaned, so that the device is convenient for the coarse particle filtration rough cutting of coal slime water, avoids that coarse particle will cause the damage of filter cloth of pressure filter, influences pressure filtration effect, avoids the problem of the gas existing in pipeline to occur when coal slime water pipe passes through pipeline and directly enters thickener.

[0019] In an embodiment of the present application, preferably, the bottom of the coarse particle discharge pipe 6 is fixedly installed with a valve 9. When the device is not in use, the valve 9 can be closed. When the device is in use, the valve 9 is opened, so that the gas and coarse particles can be discharged.

[0020] In an embodiment of the present application, preferably, the two sides of the box 1 are respectively fixedly connected with supports 10. The device can be conveniently installed and fixed at a suitable position of the main plant house through the supports 10.

[0021] In an embodiment of the present application, preferably, a stepped plate 11 is arranged above the baffle 8. The gap between the stepped plate 11 and the filter screen 3 is greater than the gap between the baffle 8 and the filter screen 3. Through the cooperation of the stepped plate 11 and the baffle 8, the coal slime water can be further buffered when falling and guided to the filter screen 3 for filtration.

[0022] In an embodiment of the present application, preferably, a backing plate 12 is fixedly arranged at the bottom of the feed cavity in the box 1. A circular hole communicating with the coarse particle discharge pipe 6 is formed in the backing plate 12. Through the arrangement of the backing plate 12, the coal slime water in the discharge cavity of the box 1 can be prevented from flowing back to the feed cavity.

[0023] In an embodiment of the present application, preferably, an inclined plate 13 is fixedly arranged on the upper side of the backing plate 12. The inclined plate 13 is arranged on the side of the backing plate 12 away from the filter screen 3. Through the arrangement of the inclined plate 13, the coarse particles can be conveniently moved to the coarse particle discharge pipe 6.

[0024] The utility model discloses when using, through support 10 will the device installation fixed in main factory building suitable position, open valve 9, and the coal slime water is entered into the box 1 after through feed pipe 5, through baffle 8 and ladder plate 11 guide and buffer and pass through filter screen 3 filtration, and the coal slime water of rough after cutting is discharged and enters next link processing through coal slime water unloading pipe 7, and the coarse particle is intercepted by filter screen 3, and is discharged to nearby ditch nearby through coarse particle discharge pipe 6, carries out recovery processing, can discharge gas in coal slime water simultaneously, by dismantling top cover 4, and then filter screen 3 is convenient to take out cleaning, make the device convenient to the coarse particle filtration cutting of coal slime water, avoid the damage of coarse particle to filter press filter cloth, influence filter press effect, avoid the problem of the gas existing in pipeline to occur when coal slime water pipe passes through pipeline and directly enters thickener, through the setting of gasket 12, can avoid the coal slime water in the discharge cavity of box 1 and flow back to the feed cavity, through the setting of inclined plate 13, it is convenient to move the coarse particle to coarse particle discharge pipe 6.

[0025] Finally, it should be noted that: the above examples are used to illustrate the technical solutions of the utility model, but not to limit them; although the utility model has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement to some technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. A new type of slime water coarse particle screening box, comprising a box body (1), characterized in that, The inner side wall of the box (1) is fixed with two oppositely arranged limiting frames (2), the two limiting frames (2) are slidably connected with a detachable filter screen (3), the top of the box (1) is boltedly connected with a top cover (4), the filter screen (3) divides the inside of the box (1) into a feeding cavity and a discharging cavity, the top cover (4) is fixedly connected with a feeding pipe (5), the bottom of the box (1) is fixedly connected with a coarse particle discharging pipe (6), the coarse particle discharging pipe (6) and the feeding pipe (5) are in communication with the feeding cavity, the bottom of the side of the box (1) is fixedly connected with a coal slime water discharging pipe (7), the coal slime water discharging pipe (7) is in communication with the discharging cavity, the feeding cavity is provided with a baffle (8), the baffle (8) is fixedly connected with the inner wall of the box (1), and a gap is left between the baffle (8) and the filter screen (3).

2. The new slime water coarse removal tank according to claim 1, characterized in that: The bottom of the coarse particle discharging pipe (6) is fixedly provided with a valve (9).

3. The new type of slime water coarse particle cutting tank according to claim 1, characterized in that: The two sides of the box (1) are fixedly connected with supports (10) respectively.

4. The new type of slime water coarse particle cutting tank according to claim 1, characterized in that: The baffle (8) is provided with a stepped plate (11) above, and the gap between the stepped plate (11) and the filter screen (3) is greater than the gap between the baffle (8) and the filter screen (3).

5. The new type of slime water coarse particle cutting tank according to claim 1, characterized in that: The bottom of the feeding cavity in the box (1) is fixedly provided with a backing plate (12), and the backing plate (12) is provided with a circular hole in communication with the coarse particle discharging pipe (6).

6. The new type of slime water coarse particle cutting tank according to claim 5, characterized in that: The upper side of the backing plate (12) is fixedly provided with an inclined plate (13), and the inclined plate (13) is located on the side of the backing plate (12) away from the filter screen (3).

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