CN215541838U - Centrifugal machine weeping liquid and filter cake separator - Google Patents
Centrifugal machine weeping liquid and filter cake separator Download PDFInfo
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- CN215541838U CN215541838U CN202121979396.0U CN202121979396U CN215541838U CN 215541838 U CN215541838 U CN 215541838U CN 202121979396 U CN202121979396 U CN 202121979396U CN 215541838 U CN215541838 U CN 215541838U
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Abstract
The utility model relates to the field of solid-liquid separation, in particular to a device for separating dripping leakage liquid and filter cakes of a centrifugal machine. The solid-liquid separation effect is not good when the existing ternary precursor is produced, and the problems of large water content of filter cakes, long drying time and the like exist. The utility model provides a centrifugal machine liquid drop leakage and filter cake separation device, which comprises a valve body with a cavity, wherein an opening at the top end of the valve body is butted with a discharging pipe, an opening at the upper end of the discharging pipe can be connected with a centrifugal machine, the lower end of the discharging pipe extends into an inner cavity of the valve body and is communicated with the inner cavity of the valve body, a movable valve clack capable of sealing the opening at the lower end of the discharging pipe is arranged in the inner cavity of the valve body, a driving mechanism control valve clack is arranged on the valve body, a pipe section of the discharging pipe extending into the inner cavity of the valve body is connected with an extension pipe, the extension pipe is obliquely extended downwards and penetrates through the valve body to extend outwards, an opening is arranged at the extending end and is provided with a valve, and a discharge port is formed at the opening at the bottom end of the valve body. The utility model can reliably separate the leakage liquid from the filter cake, and the filter cake has low water content and short drying time.
Description
Technical Field
The utility model relates to the field of solid-liquid separation, in particular to a device for separating dripping leakage liquid and filter cakes of a centrifugal machine.
Background
The ternary precursor is a front-end raw material of a ternary cathode material for preparing a new energy battery, mainly nickel-cobalt-manganese (aluminum) hydroxide NixCoyMn (1-x-y) (OH)2, and is called NCM series or NCA for short. The rapid development of the new energy industry has higher and higher requirements on batteries, and the demand of ternary precursors is also rapidly increased. Washing and drying are important links in the production process of the ternary precursor, a centrifugal machine is important solid-liquid separation equipment for washing and dehydrating the ternary precursor, and the problem that dripping liquid flows down along a discharge pipeline exists in the solid-liquid separation process of the prior art, particularly, the dripping liquid flows onto a ternary precursor filter cake, so that the water content of the filter cake is increased, the drying time is prolonged, the drying cost is improved, and certain influence is caused on the performance of the ternary material.
SUMMERY OF THE UTILITY MODEL
The utility model provides a centrifugal machine dripping and filter cake separating device, which aims to solve the technical problems that the solid-liquid separation effect of the existing ternary precursor production is poor, dripping liquid can flow to a ternary precursor filter cake to cause the increase of the water content of the filter cake, the prolonging of the drying time, the improvement of the drying cost, the influence on the performance of a ternary material and the like.
The technical scheme adopted by the utility model for solving the technical problem is as follows: the utility model provides a centrifuge weeping and filter cake separator, characterized by establishes the valve body of cavity in one, a unloading pipe is fixed in the butt joint of valve body top end opening, and unloading pipe upper end opening can connect centrifuge, and the lower extreme stretches into in the valve body inner chamber and opening intercommunication valve body inner chamber, sets up one in the valve body inner chamber and can seal unloading pipe lower extreme open-ended movable valve clack, is equipped with the actuating mechanism of control valve clack activity on the valve body, and the unloading pipe connects the extension pipe on stretching into the pipeline section of valve body inner chamber, the extension pipe is prolonged downwards to one side and is passed the valve body and outwards stretches out from unloading pipe butt joint department, and the extension pipe stretches out the end and establishes the opening and form the leakage fluid dram and install the valve, and valve body bottom opening forms the bin outlet. According to the utility model, the drain pipe and the extension pipe which can be controlled to be opened and closed are used for discharging the dripping leakage liquid and the filter cake from the liquid discharge port and the discharge port in sequence, so that the dripping leakage liquid and the filter cake are reliably separated, the increase of water content and the prolongation of drying time caused by the dripping leakage liquid flowing to the filter cake material are prevented, and the drying cost of the filter cake material and the adverse effect on ternary materials are effectively reduced. When the centrifugal machine is used, the discharging pipe is connected with an outlet of the centrifugal machine, the discharging opening is connected with the filter cake conveying device, the valve clack is controlled by the driving mechanism to movably close the opening at the lower end of the discharging pipe, the valve of the liquid discharging opening is opened, and the dripping and leaking liquid which flows out firstly when the centrifugal machine is used for washing and solid-liquid separation flows to the extension pipe through the discharging pipe and is finally discharged from the liquid discharging opening; after the dripping and leaking liquid flows out, discharging is started, the valve clack is controlled by the driving mechanism to movably open the lower end opening of the discharging pipe, the valve of the liquid discharging port is closed, filter cake materials from the centrifugal machine are sent into the inner cavity of the valve body through the discharging pipe, and are discharged from the discharging port at the bottom end of the valve body and sent into the filter cake conveying device; the extension pipe extends outwards and obliquely downwards from the inner side of the valve body, so that dripping and leaking liquid can be conveniently discharged. In addition, the extension pipe and the blanking pipe may be integrally cast.
As a further improvement and supplement to the above technical solution, the present invention adopts the following technical measures: the driving mechanism comprises a driving cylinder and a swing arm which are arranged outside the valve body, a valve rod which penetrates through the valve body and a sleeve which is arranged in an inner cavity of the valve body, two ends of the valve rod are connected with the valve body in a rotating mode, the sleeve is sleeved on the valve rod, a valve clack and the sleeve are fixedly connected, the valve clack can swing back and forth around a sleeve axis to open and close a lower end opening of a discharging pipe, the cylinder body of the driving cylinder is hinged to the valve body, the piston rod of the driving cylinder is hinged to one end of the swing arm, and the other end of the swing arm, perpendicular to the valve rod, is fixedly connected with one end of the valve rod. The sleeve is positioned on one side of the blanking pipe and sleeved on the valve rod, so that the sleeve rotates forwards and backwards along with the valve rod to drive the valve clack to swing, and the lower end opening of the blanking pipe is opened or closed and is respectively used for conveying filter cakes or discharging leakage liquid; the swing back and forth of valve rod is realized through driving actuating cylinder action, because the cylinder body and the piston rod that drive actuating cylinder both ends are articulated with valve body and swing arm respectively, the swing arm is with valve rod tip rigid coupling again, and the relative cylinder body concertina movement of piston rod when driving actuating cylinder during operation for the relative valve body hinged end of cylinder body rotates, and the piston rod just can drive the swing arm and rotate together with the valve rod original place, and then drives the valve clack swing back and forth.
The opening at the lower end of the blanking pipe is an inclined opening, and the end face where the inclined opening is located is inclined to the axis of the blanking pipe. The lower end opening of the blanking pipe is not a common flat opening, the inclined opening and the valve clack which are inclined to the axis of the blanking pipe are attached to form a better sealing effect, and when the valve clack swings to the inclined opening side to attach to the inclined opening, the lower end opening of the blanking pipe is closed.
The upper part of the blanking pipe is provided with a back flushing port communicated with the inner cavity of the blanking pipe, and the central line of the back flushing port and the axis of the extension pipe are positioned on the same plane. The inner cavity of the blanking pipe can be dried or washed by blowing air or introducing washing water into the blanking pipe through the back flushing port, and liquid for washing the inner cavity of the blanking pipe can be discharged through the liquid outlet; the central line of the back flushing opening, the axial line of the extension pipe and the central line of the liquid discharging opening are all positioned on the same plane, so that the flushing or drying effect can be improved. The inner cavity of the blanking pipe can be washed through the back flushing port and then dried after each use, so that cross contamination caused by material residues in different batches is prevented, and the device is convenient to replace and use materials in different batches.
A plurality of observation windows are arranged on the valve body in an encircling manner. Through the observation window that encircles the valve body setting, can see the inside operating condition of valve body, observe the material decline condition of unloading pipe lower extreme opening part.
The observation windows are two in number and are arranged at intervals of 180 degrees around the valve body. Two observation windows arranged at intervals of 180 degrees around the circumferential direction can be used for observing two sides of the lower end opening of the blanking pipe and checking the descending condition of the material.
The valve is a pneumatic butterfly valve. The pneumatic butterfly valve is small and exquisite, light, low in manufacturing cost, easy to disassemble, assemble and maintain, good in sealing performance without pins during installation, convenient for flow adjustment and strong in adaptability to working environment.
According to the utility model, the drain pipe and the extension pipe which can be controlled to be opened and closed are used for discharging the weeping liquid and the filter cake from the liquid discharge port and the discharge port in sequence, so that the weeping liquid and the filter cake are reliably separated, the weeping liquid is prevented from flowing onto the filter cake material, the water content of the filter cake is reduced, the drying time is shortened, and the drying cost of the filter cake material and the adverse effect on the ternary material are controlled.
Drawings
FIG. 1: the utility model has a structure schematic diagram.
FIG. 2: the cross-sectional view taken along line A-A of FIG. 1.
FIG. 3: the cross-sectional view taken along line B-B of FIG. 1.
In the figure: 1. the automatic discharging valve comprises a valve body, a discharging opening 2, a liquid discharging opening 3, a pneumatic butterfly valve 4, an observation window 5, a driving cylinder 6, a cylinder body 61, a piston rod 62, a valve rod 7, a valve clack 8, a discharging pipe 9, a back flushing opening 10, a sleeve pipe 11, an extension pipe 12 and a swing arm 13.
Detailed Description
The utility model is further described with reference to the following description and embodiments in conjunction with the accompanying drawings.
As shown in fig. 1 to 3, a device for separating a dripping liquid and a filter cake of a centrifuge comprises a valve body 1 with a cavity arranged therein, wherein an opening at the top end of the valve body 1 is butted and fixed with a blanking pipe 9, an opening at the upper end of the blanking pipe 9 can be connected with a centrifuge (not shown), a back flushing port 10 communicated with an inner cavity of the blanking pipe 9 is further arranged at the upper part of the blanking pipe 9, the lower end of the blanking pipe 9 extends into the inner cavity of the valve body 1 and is opened and communicated with the inner cavity of the valve body 1, a movable valve flap 8 capable of sealing the opening at the lower end of the blanking pipe 9 is arranged in the inner cavity of the valve body 1, the opening at the lower end of the blanking pipe 9 is an oblique port in the embodiment, and the end face where the oblique port is positioned is inclined to the axis of the blanking pipe 9; the valve body 1 is provided with a driving mechanism for controlling the movement of the valve clack 8, the pipe section of the blanking pipe 9 extending into the inner cavity of the valve body 1 is connected with an extension pipe 12, the extension pipe 12 extends obliquely downwards from the butt joint of the blanking pipe 9 and penetrates through the valve body 1 to extend outwards, the central line of the back flushing port 10 and the axis of the extension pipe 12 are positioned on the same plane, the extending end of the extension pipe 12 is provided with an opening to form a liquid discharge port 3 and a valve, the valve is a pneumatic butterfly valve 4, and the opening at the bottom end of the valve body 1 forms a discharge port 2; the driving mechanism comprises a driving cylinder 6 and a swing arm 13 which are arranged outside the valve body 1, a valve rod 7 penetrating through the valve body 1 and a sleeve 11 arranged in an inner cavity of the valve body 1, wherein two ends of the valve rod 7 are rotatably connected with the valve body 1, the sleeve 11 is sleeved on the valve rod 7, a valve clack 8 is fixedly connected with the sleeve 11, the valve clack 8 can swing back and forth around the axis of the sleeve 11 to open and close an opening at the lower end of the discharging pipe 9, a cylinder body 61 of the driving cylinder 6 is hinged with the valve body 1, a piston rod 62 of the driving cylinder 6 is hinged with one end of the swing arm 13, the swing arm 13 is perpendicular to the valve rod 7, and the other end of the swing arm 13 is fixedly connected with one end of the valve rod 7; two observation windows 5 are arranged on the valve body 1 in a surrounding and 180-degree interval mode.
When the centrifugal machine works, an opening at the upper end of the discharging pipe 9 is connected with the centrifugal machine, a discharge port at the lower end of the discharging pipe 9 is connected with a filter cake conveying device, when the centrifugal machine is used for washing and solid-liquid separation, the valve clack 8 is swung by driving the air cylinder 6, the valve clack is closed by attaching to an inclined port at the lower end of the discharging pipe 9, and meanwhile, the pneumatic butterfly valve 4 is opened, so that leakage liquid can smoothly flow into the discharging pipe 9, and then flows out of the liquid discharge port 3 after passing through the extension pipe 12; when the centrifuge starts to feed, the valve clack 8 swings reversely by driving the cylinder 6, the inclined opening closed before is opened, meanwhile, the pneumatic butterfly valve 4 is closed, the material can fall into the feeding pipe 9 at the moment, then enters the filter cake conveying device through the discharge opening 3, and the falling condition of the material can be seen through the observation window 5; after all materials are discharged by the centrifugal machine, the valve clack 8 is driven again to close the bevel connection, the pneumatic butterfly valve 4 is opened, washing water is introduced through the back flushing port 10, the pipeline of the discharging pipe 9 is washed, washing liquid is discharged through the liquid discharging port 3, then the back flushing port 10 is switched to introduce air, the discharging pipe 9 is air-dried, and washing and solid-liquid separation of the next batch of materials are facilitated.
Claims (7)
1. A centrifugal machine weeping liquid and filter cake separation device is characterized by comprising a valve body (1) with a cavity arranged inside, a blanking pipe (9) is fixed at the top opening of the valve body (1) in a butt joint way, the upper opening of the blanking pipe (9) can be connected with a centrifugal machine, the lower end of the blanking pipe extends into the inner cavity of the valve body (1) and is communicated with the inner cavity of the valve body (1) through an opening, a movable valve clack (8) capable of sealing the lower opening of the blanking pipe (9) is arranged in the inner cavity of the valve body (1), a driving mechanism for controlling the valve clack (8) to move is arranged on the valve body (1), an extension pipe (12) is connected on the pipe section of the blanking pipe (9) extending into the inner cavity of the valve body (1), extension pipe (12) are from unloading pipe (9) butt joint department extension downwards to one side and pass valve body (1) and outwards stretch out, and extension pipe (12) stretch out the end and establish the opening and form leakage fluid dram (3) and install the valve, and valve body (1) bottom opening forms bin outlet (2).
2. A dripping and filter cake separating device of a centrifugal machine according to claim 1, wherein the driving mechanism comprises a driving cylinder (6) and a swing arm (13) which are arranged outside the valve body (1), a valve rod (7) which passes through the valve body (1) and a sleeve (11) which is arranged in the inner cavity of the valve body (1), two ends of the valve rod (7) are rotatably connected with the valve body (1), the sleeve (11) is sleeved on the valve rod (7), valve clack (8) and sleeve pipe (11) fixed connection, valve clack (8) can be around sleeve pipe (11) axis swing back and forth in order to open and close unloading pipe (9) lower extreme opening, and cylinder body (61) and valve body (1) of driving actuating cylinder (6) are articulated, and piston rod (62) and swing arm (13) one end of driving actuating cylinder (6) are articulated, and the other end and valve rod (7) one end rigid coupling of swing arm (13) perpendicular to valve rod (7) and swing arm (13).
3. A dripping and cake separating device for a centrifuge as defined in claim 1, wherein the lower end opening of said feed tube (9) is a bevel, the end surface of which is inclined to the axis of said feed tube (9).
4. A dripping and cake separator for centrifugal machine according to claim 1, wherein the upper part of said feeding pipe (9) is provided with a back-blowing opening (10) communicated with the inner cavity of the feeding pipe (9), the central line of the back-blowing opening (10) and the axial line of the extension pipe (12) are in the same plane.
5. A centrifuge drip and cake separation apparatus as claimed in claim 1, wherein a plurality of viewing windows (5) are circumferentially provided on said valve body (1).
6. A centrifuge dripping and cake separating device as claimed in claim 5 wherein said viewing windows (5) are two and are spaced 180 degrees apart around the valve body (1).
7. A centrifuge weep and filter cake separation device according to any one of claims 1 to 6, characterized in that said valve is a pneumatic butterfly valve (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121979396.0U CN215541838U (en) | 2021-08-20 | 2021-08-20 | Centrifugal machine weeping liquid and filter cake separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121979396.0U CN215541838U (en) | 2021-08-20 | 2021-08-20 | Centrifugal machine weeping liquid and filter cake separator |
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| Publication Number | Publication Date |
|---|---|
| CN215541838U true CN215541838U (en) | 2022-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121979396.0U Active CN215541838U (en) | 2021-08-20 | 2021-08-20 | Centrifugal machine weeping liquid and filter cake separator |
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| CN (1) | CN215541838U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114570935A (en) * | 2022-02-28 | 2022-06-03 | 湖南达诺智能机器人科技有限公司 | Metal granulation equipment |
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2021
- 2021-08-20 CN CN202121979396.0U patent/CN215541838U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114570935A (en) * | 2022-02-28 | 2022-06-03 | 湖南达诺智能机器人科技有限公司 | Metal granulation equipment |
| CN114570935B (en) * | 2022-02-28 | 2024-04-30 | 湖南达诺智能机器人科技有限公司 | Metal granulation equipment |
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