Silicon dioxide sedimentation tank and use method thereof

Abstract

The invention provides a silicon dioxide sedimentation tank and a use method thereof, the silicon dioxide sedimentation tank comprises a tank body, the bottom of the tank body is communicated with a slag discharge pipe, and the side wall of the tank body is communicated with a drain pipe; a partition structure is installed in the tank body, the interior of the tank body is divided into a first cavity and a second cavity, and the second cavity is located below the first cavity; the drain pipe is arranged on the bottom side wall of the first chamber; the partition structure is driven by a motor to be opened and closed. When the partition structure is in an open state, the first chamber is communicated with the second chamber for static settlement; when the partition structure is in a closed state, supernate is independently discharged through the drainage pipe under the condition that sediments below are not disturbed; according to the utility model, sediments and supernate can be effectively separated, even if the supernate is quickly separated, the state of the sediments below cannot be influenced, and waste caused by the fact that the sediments are brought out can be effectively reduced.

Description

Technical Field

[0001] The present invention relates to the field of silicon dioxide production equipment, and more specifically, to a silicon dioxide precipitation tank and a use method thereof. Background Art

[0002] When preparing silicon dioxide, since silicon dioxide is generally mixed in a liquid in a suspended state, a precipitation method is required to perform a static precipitation operation on the original solution to achieve the effect of solid-liquid stratification, and then solid-liquid separation is performed;

[0003] However, most of the current sedimentation tanks are just simple pool structures. When performing solid-liquid separation, due to the lack of a partitioning structure, whether it is an extraction type or a direct discharge type, the rapid discharge of water will cause a certain disturbance to the sediment, which will cause a lot of sediment to be discharged, easily resulting in waste. Summary of the invention

[0004] In order to overcome the defects of the prior art, the technical problem to be solved by the present invention is to propose a silica sedimentation tank that can effectively separate the precipitate and the supernatant. Even when the supernatant is separated quickly, it will not affect the state of the precipitate below, and can effectively reduce the waste caused by carrying out the precipitate.

[0005] To achieve this object, the present invention adopts the following technical solutions:

[0006] The present invention provides a silica precipitation tank, comprising a tank body, wherein the bottom of the tank body is connected to a slag discharge pipe, and the side wall of the tank body is connected to a drainage pipe; a partition structure is installed inside the tank body, and the inner part of the tank body is divided into a first chamber and a second chamber, and the second chamber is located below the first chamber; the drainage pipe is arranged on the bottom side wall of the first chamber; the partition structure is driven by a motor to open and close; when the partition structure is in an open state, the first chamber is connected to the second chamber for static precipitation; when the partition structure is in a closed state, the supernatant is discharged separately through the drainage pipe without disturbing the sediment below.

[0007] In a preferred technical solution of the present invention, the partition structure includes a jacket and a partition; a cavity is provided inside the jacket; the outer wall shape of the jacket is adapted to the inner wall shape of the pool body, the jacket is fixedly installed on the inner wall of the pool body, and the jacket is provided with a plurality of first feeding ports penetrating the upper and lower wall surfaces, and the first feeding ports are distributed in an array around the central circumference of the jacket; the shape of the partition is adapted to the shape of the cavity, and the partition is rotatably arranged in the cavity; a plurality of second feeding ports are correspondingly provided on the partition; the partition is driven to rotate by a motor, and when the second feeding port corresponds to the first feeding port, the first chamber is communicated with the second chamber; when the partition blocks and blocks the first feeding port, a closed partition is achieved.

[0008] In a preferred technical solution of the present invention, the jacket comprises a tray and a tray cover, the tray cover is installed on the top of the tray, and the said clamp cavity is formed inside; the tray cover is installed on the inner wall of the pool body by bolts, and the top surface of the tray cover is flush with the bottom of the connection between the drain pipe and the pool body;

[0009] The tray and the tray cover are provided with a first material passing port respectively, and a circular hole is provided in the center of the tray and the tray cover for passing a rotating shaft. The partition is installed on the rotating shaft, and the top end of the rotating shaft is connected to the output shaft of the motor through a coupling. The motor is installed on the top of the pool body through a bracket.

[0010] In a preferred technical solution of the present invention, a first sleeve is fixedly provided in the middle of the partition, the outer diameter of the first sleeve is adapted to the aperture of the circular hole, and the two ends of the first sleeve respectively pass through the tray and the tray cover and extend outward; the first sleeve is connected and matched with the rotating shaft through a first one-way bearing.

[0011] In a preferred technical solution of the present invention, a first scraper is installed on the top of the first sleeve, and the end of the first scraper extends beyond one side of the outer end of the first feeding port, and the first scraper slides against the top surface of the disc cover.

[0012] In a preferred technical solution of the present invention, a stirring frame is installed at the bottom of the rotating shaft through a second one-way bearing, and the rotation direction of the second one-way bearing is opposite to that of the first one-way bearing.

[0013] In a preferred technical solution of the present invention, the bottom of the pool body is a bucket-shaped structure, and the slag discharge pipe is connected to the concave center of the bottom of the pool body; the stirring frame includes a second sleeve, and the second sleeve is connected to the bottom end of the rotating shaft through a second one-way bearing; the outer wall of the second sleeve is fixed with a spiral stirring blade and a second scraper, the second scraper slides against the bottom inner wall of the pool body, and the bottom of the second sleeve extends into the slag discharge pipe.

[0014] The present invention provides a method for using a silicon dioxide precipitation tank, comprising the following steps:

[0015] S1, putting the raw liquid to be precipitated into the tank;

[0016] S2, start the equipment, the motor is in the standby state; the stock solution is allowed to settle;

[0017] S3, the motor starts and runs intermittently for 3 times; the total precipitation time H is set according to the amount of stock solution added;

[0018] And divide the exercise interval duration according to the total duration;

[0019] The first time it starts at 1 / 6H from the start of the timing, the motor rotates forward, driving the partition and the first scraper to rotate one circle;

[0020] The second time starts at 1 / 3H of the timing, the motor rotates forward, driving the partition and the first scraper to rotate one circle;

[0021] The third time starts at 2 / 3H from the start of the timing, the motor rotates forward, driving the partition and the first scraper to rotate one circle;

[0022] S4, after the preset total sedimentation time is reached, solid-liquid separation is performed;

[0023] The motor is started, and the motor rotates forward to drive the partition to rotate by a preset angle, so that the partition swings to a position to block the feed port, so that the first chamber is separated from the second chamber; the switch valve on the drain pipe is opened to discharge the supernatant through the drain pipe;

[0024] S5, after the supernatant is discharged, the switch valve on the slag discharge pipe is opened;

[0025] Start the motor, which will reverse and drive the stirring frame to rotate, accelerating the discharge of the sediment below to achieve solid-liquid separation.

[0026] The beneficial effects of the present invention are:

[0027] The present invention provides a silica precipitation tank and a method for using the same, comprising a tank body, wherein a partition structure is installed inside the tank body, wherein the inner part of the tank body is divided into a first chamber and a second chamber, wherein the second chamber is located below the first chamber; the partition structure is driven by a motor to open and close; when the partition structure is in an open state, the first chamber is communicated with the second chamber for static precipitation; when the partition structure is in a closed state, the supernatant is discharged separately through a drain pipe without disturbing the sediment below; the sediment and the supernatant can be effectively separated, and even when the supernatant is quickly separated, the state of the sediment below will not be affected, thereby effectively reducing the waste caused by the sediment being carried out. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the three-dimensional structure of a silicon dioxide precipitation tank provided in a specific embodiment of the present invention;

[0029] Figure 2 is a cross-sectional view of a silicon dioxide precipitation tank provided in a specific embodiment of the present invention;

[0030] Figure 3 It is a schematic diagram of a three-dimensional structure of a silicon dioxide precipitation tank provided in a specific embodiment of the present invention from a first viewing angle;

[0031] Figure 4 It is a schematic diagram of a three-dimensional unfolded structure of a silicon dioxide precipitation tank provided in a specific embodiment of the present invention from a second viewing angle;

[0032] Figure 5is a schematic diagram of the three-dimensional structure of a partition structure provided in a specific embodiment of the present invention;

[0033] Figure 6 is a schematic diagram of a three-dimensional unfolded structure of a partition structure provided in a specific embodiment of the present invention from a first viewing angle;

[0034] Figure 7 is a schematic diagram of a three-dimensional unfolded structure of a partition structure provided in a specific embodiment of the present invention from a second viewing angle;

[0035] Figure 8 is a schematic diagram of the three-dimensional structure of a jacket provided in a specific embodiment of the present invention;

[0036] Fig. 9 is a schematic diagram of the three-dimensional structure of a partition provided in a specific embodiment of the present invention;

[0037] Fig.10 It is a schematic diagram of the three-dimensional structure of a stirring frame provided in a specific embodiment of the present invention.

[0038] In the figure:

[0039] 100, tank body; 110, slag discharge pipe; 120, drainage pipe; 130, first chamber; 140, second chamber;

[0040] 200, partition structure; 210, jacket; 211, clamping cavity; 212, first feeding port; 213, tray; 214, tray cover; 215, round hole; 220, partition; 221, second feeding port; 222, first sleeve; 230, rotating shaft; 240, first one-way bearing; 250, first scraper; 260, second one-way bearing; 270, stirring frame; 271, second sleeve; 272, spiral stirring blade; 273, second scraper; 300, motor. DETAILED DESCRIPTION

[0041] The technical solution of the present invention is further described below with reference to the accompanying drawings and through specific implementation methods.

[0042] like Figures 1 to 4As shown, a specific embodiment of the present invention discloses a silica precipitation tank, including a tank body 100, the bottom of the tank body 100 is connected to a slag discharge pipe 110, and the side wall of the tank body 100 is connected to a drain pipe 120; a partition structure 200 is installed inside the tank body 100, and the inner part of the tank body is divided into a first chamber 130 and a second chamber 140, and the second chamber is located below the first chamber; the drain pipe is arranged on the bottom side wall of the first chamber; the partition structure 200 is driven by a motor 300 to open and close; when the partition structure is in an open state, the first chamber and the second chamber are connected to each other for static precipitation; when the partition structure is in a closed state, the supernatant is discharged separately through the drain pipe without disturbing the sediment below; a first switch valve is installed on the slag discharge pipe, and a second switch valve is provided on the drain pipe, which is used as a stop component and performs corresponding switching actions according to actual needs; it also includes an electric control box for adjusting the speed of the motor and controlling the operation of the motor; the electric control box is a common electric control device, which can be purchased and used on the market, and the specific structure is not repeated.

[0043] The above-mentioned silica sedimentation tank can effectively separate the sediment and the supernatant. Even when the supernatant is separated quickly, it will not affect the state of the sediment below, and can effectively reduce the waste caused by the sediment being carried out.

[0044] Furthermore, if Figures 5 to 9 As shown, the partition structure 200 includes a jacket 210 and a partition 220; a cavity 211 is provided inside the jacket 210; the outer wall shape of the jacket is adapted to the inner wall shape of the tank body, the jacket 210 is fixedly mounted on the inner wall of the tank body 100, and a plurality of first feed ports 212 penetrating the upper and lower walls are provided on the jacket 210, and the first feed ports are distributed in an array around the central circumference of the jacket; the shape of the partition 220 is adapted to the shape of the cavity 211, and the partition is rotatably arranged in the cavity; a plurality of second feed ports 221 are correspondingly provided on the partition 220; the partition 220 is driven to rotate by the motor 300, and when the second feed port corresponds to the first feed port, the first chamber is communicated with the second chamber, which does not affect the sinking of the particles, ensuring effective static sedimentation; when the partition blocks and blocks the first feed port, a closed partition is realized, and the required adjustment drive is realized by the motor, which is easy to use and operate, and also provides an effective partition effect to achieve solid-liquid separation;

[0045] Furthermore, the jacket 210 includes a tray 213 and a tray cover 214. The tray cover 214 is installed on the top of the tray 213, and the clamp cavity 211 is formed inside. The tray cover 214 is installed on the inner wall of the pool body 100 by bolts, and the top surface of the tray cover is flush with the bottom of the connection between the drain pipe and the pool body. The tray 213 and the tray cover 214 are correspondingly provided with a first feeding port 212, and the center of the tray 213 and the tray cover 214 is provided with a circular hole 215 for passing the rotating shaft 230. The partition 220 is installed on the rotating shaft 230, and the top end of the rotating shaft 230 is connected to the output shaft of the motor 300 through a coupling. The motor is installed on the top of the pool body through a bracket. The overall assembled structure is convenient for the processing and production of various structural components, and also convenient for assembly and subsequent maintenance and disassembly.

[0046] Furthermore, a plurality of first magnet blocks are fixedly embedded in the edges of the upper and lower walls of the partition, and the plurality of first magnet blocks are distributed in an array around the central circumference of the partition, and the wall surface of the first magnet block is flush with the wall surface of the partition; a plurality of second magnet blocks and a third magnet block are fixedly embedded in the top surface of the tray, and the second magnet blocks and the third magnet blocks are both distributed in an array around the central circumference of the tray, and the second magnet blocks and the first magnet blocks are distributed in an offset interval around the circumference, and the number of the second magnet blocks and the third magnet blocks is the same as the first magnet block, and the positions are correspondingly adapted; wherein, when the partition rotates to the position corresponding to the first feeding port and the second feeding port, the first magnet block and the second magnet block The first magnet block is magnetically connected to the third magnet block; when the partition rotates to block and seal the first material passing port, the first magnet block is magnetically connected to the third magnet block; through the above structure, the position of the partition can be maintained to prevent the partition from easily moving and changing its state and direction to affect the separation of materials; the fourth magnet block and the fifth magnet block are fixedly embedded on the bottom surface of the disc cover, and the fourth magnet block and the second magnet block are in the same position, and the fifth magnet block and the third magnet block are in the same position, which can also achieve the above effect; it should be noted that the selection of a motor with suitable torque and power is sufficient to overcome the magnetic attraction of the magnet block and drive other structural components to perform the required rotation.

[0047] Furthermore, a first sleeve 222 is fixedly provided in the middle of the partition 220, and the outer diameter of the first sleeve 222 is adapted to the aperture of the circular hole 215, and the two ends of the first sleeve respectively pass through the tray and the tray cover and extend outward; the first sleeve 222 and the rotating shaft 230 are connected and matched through the first one-way bearing 240; the two ends of the first sleeve are rotationally limited by the circular hole, so that the partition can rotate smoothly; and, the partition is limited to rotate only in a single direction by the first one-way bearing, which provides basic conditions for the design of other subsequent components.

[0048] Furthermore, a first scraper 250 is installed on the top of the first sleeve 222, and the end of the first scraper extends beyond the side of the outer port of the first feeding port, and the first scraper 250 slides against the top surface of the disc cover 214; a ring is fixedly provided at one end of the first scraper, and the inner diameter of the ring is adapted to the outer diameter of the first sleeve, and the ring is sleeved on the outside of the first sleeve and fixed by a pin or a bolt; the first scraper rotates with the first sleeve, and can scrape and clean the sediment on the top surface of the disc cover to reduce residue.

[0049] Furthermore, a stirring frame 270 is installed at the bottom of the rotating shaft 230 through a second one-way bearing 260, and the rotation direction of the second one-way bearing 260 is opposite to that of the first one-way bearing 240, so that the stirring frame and the partition can rotate separately without affecting each other, ensuring that the stirring frame will not be driven to rotate when the partition is driven to rotate, preventing severe disturbance of the sediment below, and preventing the sediment from being suspended again and affecting subsequent separation.

[0050] Furthermore, the bottom of the tank body 100 is in a bucket-shaped structure, and the slag discharge pipe is connected to the concave center of the bottom of the tank body so that the sediment can be collected and discharged to the center of the bottom; Fig.10 As shown, the stirring frame 270 includes a second sleeve 271, and the second sleeve 271 is connected to the bottom end of the rotating shaft 230 through a second one-way bearing 260; the outer wall of the second sleeve 271 is fixedly provided with a spiral stirring blade 272 and a second scraper 273, the second scraper 273 slides against the bottom inner wall of the pool body 100, and the bottom of the second sleeve 271 extends into the slag discharge pipe 110; this structural design accelerates the discharge of sediment through the spiral stirring blade, and the second scraper can scrape and clean the inner wall of the pool body, effectively reducing the residual sediment inside.

[0051] The present invention also discloses a method for using a silicon dioxide precipitation tank, comprising the following steps:

[0052] S1, putting the raw liquid to be precipitated into the tank;

[0053] S2, start the equipment, the motor is in the standby state; the stock solution is allowed to settle;

[0054] S3, the motor starts and runs intermittently for 3 times; the total precipitation time H is set according to the amount of stock solution added;

[0055] And divide the exercise interval duration according to the total duration;

[0056] The first time it starts at 1 / 6H from the start of the timing, the motor rotates forward, driving the partition and the first scraper to rotate one circle;

[0057] The second time starts at 1 / 3H of the timing, the motor rotates forward, driving the partition and the first scraper to rotate one circle;

[0058] The third time starts at 2 / 3H from the start of the timing, the motor rotates forward, driving the partition and the first scraper to rotate one circle;

[0059] S4, after the preset total sedimentation time is reached, solid-liquid separation is performed;

[0060] The motor is started, and the motor rotates forward to drive the partition to rotate by a preset angle, so that the partition swings to a position to block the feed port, so that the first chamber is separated from the second chamber; the switch valve on the drain pipe is opened to discharge the supernatant through the drain pipe;

[0061] S5, after the supernatant is discharged, the switch valve on the slag discharge pipe is opened;

[0062] Start the motor, which will reverse and drive the stirring frame to rotate, accelerating the discharge of the sediment below to achieve solid-liquid separation.

[0063] Furthermore, after the sediment below is completely discharged, the motor rotates forward again, driving the partition and the first scraper to rotate, scraping and cleaning the top surface of the disc cover, so that the residue on the top surface of the disc cover and the jacket falls off and is discharged from below. If necessary, the motor can be started again to reverse and clean the bottom of the pool body again; it should be noted that the partition structure divides the pool body, and some liquid will be entrained in the sediment below, which can be discharged along with the sediment, and can also accelerate the discharge, and can be further filtered and separated later, including but not limited to pressure filtration or suction filtration.

[0064] The present invention is described by preferred embodiments, and those skilled in the art will appreciate that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. The present invention is not limited to the specific embodiments disclosed herein, and other embodiments falling within the claims of this application are within the scope of protection of the present invention.

Claims

1. A silica precipitation tank, comprising a tank body, the bottom of the tank body is connected to a slag discharge pipe, and the side wall of the tank body is connected to a drainage pipe; characterized in that: A partition structure is installed inside the pool body, and the inner part of the pool body is divided into a first chamber and a second chamber, and the second chamber is located below the first chamber; the drainage pipe is arranged on the bottom side wall of the first chamber; The partition structure is driven by a motor to open and close; When the partition structure is in the open state, the first chamber is connected to the second chamber for static sedimentation; When the partition structure is in a closed state, the supernatant is discharged separately through the drain pipe without disturbing the sediment below.

2. A silicon dioxide precipitation tank according to claim 1, characterized in that: The partition structure includes a jacket and a partition; A clamping cavity is provided inside the jacket; the outer wall shape of the jacket is adapted to the inner wall shape of the tank body, the jacket is fixedly mounted on the inner wall of the tank body, and a plurality of first material passing ports penetrating the upper and lower wall surfaces are provided on the jacket, and the first material passing ports are distributed in an array around the central circumference of the jacket; The shape of the partition is adapted to the shape of the clamping cavity, and the partition is rotatably arranged in the clamping cavity; a plurality of second material passing ports are correspondingly arranged on the partition; The partition is driven to rotate by the motor, and when the second material passing port corresponds to the first material passing port, the first chamber is communicated with the second chamber; When the partition blocks and seals the first material passing opening, closed partition is achieved.

3. A silicon dioxide precipitation tank according to claim 2, characterized in that: The jacket comprises a tray and a tray cover, wherein the tray cover is installed on the top of the tray, and the said clamp cavity is formed inside; the tray cover is installed on the inner wall of the tank body by bolts, and the top surface of the tray cover is flush with the bottom of the connection between the drain pipe and the tank body; The tray and the tray cover are provided with a first material passing port respectively, and a circular hole is provided in the center of the tray and the tray cover for passing a rotating shaft. The partition is installed on the rotating shaft, and the top end of the rotating shaft is connected to the output shaft of the motor through a coupling. The motor is installed on the top of the pool body through a bracket.

4. A silicon dioxide precipitation tank according to claim 3, characterized in that: A first sleeve is fixedly provided in the middle of the partition, the outer diameter of the first sleeve matches the aperture of the circular hole, and two ends of the first sleeve respectively penetrate the tray and the tray cover and extend outward; The first sleeve is connected and matched with the rotating shaft via a first one-way bearing.

5. A silicon dioxide precipitation tank according to claim 4, characterized in that: A first scraper is installed on the top of the first sleeve, and the end of the first scraper extends beyond one side of the outer port of the first material passing port. The first scraper slides against the top surface of the disc cover.

6. A silicon dioxide precipitation tank according to claim 4, characterized in that: A stirring frame is installed at the bottom of the rotating shaft through a second one-way bearing, and the rotation direction of the second one-way bearing is opposite to that of the first one-way bearing.

7. A silicon dioxide precipitation tank according to claim 6, characterized in that: The bottom of the tank body is a bucket-shaped structure, and the slag discharge pipe is connected to the concave center of the bottom of the tank body; The stirring frame includes a second sleeve, and the second sleeve is connected and matched with the bottom end of the rotating shaft through a second one-way bearing; The outer wall of the second sleeve is fixedly provided with a spiral stirring blade and a second scraper. The second scraper slides against the bottom inner wall of the pool body. The bottom of the second sleeve extends into the slag discharge pipe.

8. A method for using the silicon dioxide precipitation tank according to claim 7, characterized in that: The following steps are involved: S1, putting the raw liquid to be precipitated into the tank; S2, start the equipment, the motor is in the standby state; the stock solution is allowed to settle; S3, the motor starts and runs intermittently for 3 times; the total precipitation time H is set according to the amount of stock solution added; And divide the exercise interval duration according to the total duration; The first time it starts at 1 / 6H from the start of the timing, the motor rotates forward, driving the partition and the first scraper to rotate one circle; The second time starts at 1 / 3H of the timing, the motor rotates forward, driving the partition and the first scraper to rotate one circle; The third time starts at 2 / 3H from the start of the timing, the motor rotates forward, driving the partition and the first scraper to rotate one circle; S4, after the preset total sedimentation time is reached, solid-liquid separation is performed; The motor is started, and the motor rotates forward to drive the partition to rotate by a preset angle, so that the partition swings to a position to block the feed port, so that the first chamber is separated from the second chamber; the switch valve on the drain pipe is opened to discharge the supernatant through the drain pipe; S5, after the supernatant is discharged, the switch valve on the slag discharge pipe is opened; Start the motor, which will reverse and drive the stirring frame to rotate, accelerating the discharge of the sediment below to achieve solid-liquid separation.

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