Stirring and filtering device for preparing sodium iodide crystal

Abstract

The utility model relates to the field of sodium iodide crystal preparation, in particular to a stirring and filtering device for sodium iodide crystal preparation, which comprises a filtering box, the hot air unit comprises a filter box and further comprises a filter plate, non-woven fabric, a top plate, a stirring disc, a rubber brush, a drying open groove and a hot air unit body, the filter plate is arranged on the lower portion of the interior of the filter box, the non-woven fabric is placed on the top of the filter plate, the top plate is arranged on the top of the filter box, the stirring disc is arranged on the upper portion of the interior of the filter box, and the rubber brush is arranged at the bottom of the stirring disc. A drying slot is formed above the front surface of the filter box, and a hot air unit body is arranged at the position, corresponding to the drying slot, above the front surface of the filter box; according to the crystal drying device, purified solution and crystals are separated by arranging the filter plate and the non-woven fabric, then hot air is blown into the filter box through the hot air unit body, and meanwhile, the rotating stirring disc drives the rubber brush to stir the crystals, so that the crystals are prevented from being adhered together, and the drying effect is ensured.

Description

Technical Field

[0001] The utility model relates to the field of sodium iodide crystal preparation, in particular to a stirring and filtering device for sodium iodide crystal preparation. Background Technique

[0002] Sodium iodide, molecular formula: NaI, molecular weight: 149.9, is a white, easily deliquescent crystal or granule, with anhydrous, dihydrate and pentahydrate forms. It will slowly absorb water up to 5% in humid air and slowly release free iodine, turning yellow. During the preparation of sodium iodide, it is necessary to filter the liquid to separate the liquid from the crystals, which requires the use of a filtering device.

[0003] According to the search, the Chinese patent document, publication number: CN212975137U, discloses a sodium iodide preparation device, which includes a sodium hydroxide bin, a steam treatment device, a hydroiodic acid solution tank, a hydroiodic acid liquid transfer pump, a heat exchanger, an Oslo evaporation crystallizer, a sodium hydroxide solid transfer pump, a reaction tank, a sodium iodide liquid transfer pump, a filter, a water pump, a water tank, and a central controller. The reaction tank is a hollow cylindrical stainless steel structure, with a stirring motor fixedly installed above it. The upper bottom surface inside it is provided with a pressure relief valve, a sodium hydroxide inlet, and a hydroiodic acid inlet. A pressure monitor and an annular heater are installed on the inner side surface, and a temperature monitor and a liquid collection tray are installed on the lower bottom surface inside. A stirring paddle is connected below the stirring motor, and the stirring paddle is located inside the reaction tank and can rotate driven by the stirring motor. The beneficial effects of the present utility model are: its structure is reasonable, with strong practicability, good stability, high automation degree, high raw material utilization rate, good preparation efficiency, low energy consumption, and no sewage generation. However, when this utility model is used, it does not have the function of stirring and drying, cannot ensure the dryness of the crystals, and is prone to the problem that the moisture in the crystals is too much and easy to deliquesce, affecting the quality of the finished product.

[0004] Therefore, aiming at the lack of the stirring and drying function in the above-mentioned sodium iodide preparation device, a stirring and filtering device for sodium iodide crystal preparation can be designed. The purified solution and crystals are separated by setting a filter plate and non-woven fabric. The crystals remain on the non-woven fabric, and the liquid is discharged through the drain pipe. Then, hot air is blown into the inside of the filter box through the hot air blower unit body to dry the crystals. At the same time, the electric telescopic rod drives the stirring disk to move downward until the rubber brush contacts the crystals, and then the motor drives the rotating shaft to rotate. The rotating shaft drives the stirring disk to rotate through the electric telescopic rod, so as to stir the crystals through the rubber brush to prevent the crystals from sticking together and ensure the drying effect. Content of the Utility Model

[0005] In order to overcome the problem that the common sodium iodide preparation device lacks the function of stirring and drying, cannot ensure the dryness of the crystals, is prone to too much moisture in the crystals and easy to deliquesce, affecting the quality of the finished product.

[0006] The technical solution of the present utility model is as follows: A stirring and filtering device for preparing sodium iodide crystals, comprising a filtering box; further comprising a filter plate, a non-woven fabric, a top plate, a stirring disk, a rubber brush, a drying slot and a hot air blower unit body. A filter plate is arranged below the interior of the filtering box, a non-woven fabric is placed on the top of the filter plate, a top plate is arranged on the top of the filtering box, a stirring disk is arranged above the interior of the filtering box, a rubber brush is arranged at the bottom of the stirring disk, a drying slot is opened above the front of the filtering box, and a hot air blower unit body is arranged at the position corresponding to the drying slot above the front of the filtering box.

[0007] Preferably, the purified solution and crystals are separated by setting a filter plate and a non-woven fabric. The crystals remain on the non-woven fabric, and the liquid is discharged through a drain pipe. Then, hot air is blown into the interior of the filtering box by the hot air blower unit body to dry the crystals. At the same time, the electric telescopic rod drives the stirring disk to move downward until the rubber brush contacts the crystals. Then, the motor drives the rotating shaft to rotate, and the rotating shaft drives the stirring disk to rotate through the electric telescopic rod, so as to stir the crystals through the rubber brush to prevent the crystals from sticking together and ensure the drying effect. This is to solve the problem that the common filtering device for preparing sodium iodide crystals only has a filtering function, can separate the purified solution and crystals, but lacks the functions of stirring and drying, cannot ensure the drying degree of the crystals, and is prone to excessive moisture in the crystals, which is easy to deliquesce and affect the quality of the finished product.

[0008] Preferably, two limiting strips are symmetrically arranged at the positions corresponding to the filter plate below the left and right sides inside the filtering box. The left and right sides of the filter plate are respectively inserted into the interiors of the two limiting strips. A number of filter holes are arranged at equal intervals on the top of the filter plate. When the filter plate is inserted into the interior of the filtering box, the left and right sides of it are respectively inserted into the interiors of the two limiting strips. When the solution falls to the top of the filter plate, the solution and crystals are separated through the non-woven fabric and the filter holes. The solution falls to the bottom end inside the filtering box, and the crystals remain on the top of the filter plate.

[0009] Preferably, a filtering slot is opened below the front of the filtering box at the position corresponding to the filter plate. A sealing plate is arranged inside the filtering slot. The sealing plate is fixed to the filtering box by bolts. A handle is arranged in the middle of the front of the sealing plate. A sealing gasket is arranged on the reverse side of the sealing plate. The front side of the filter plate passes through the filtering slot and is welded to the reverse side of the sealing plate. The sealing plate is lifted by the handle, and then the filter plate is inserted into the interior of the filtering box through the filtering slot, and the sealing plate is placed inside the filtering slot. Then, the sealing plate is fixed to the filtering box by bolts.

[0010] Preferably, a feeding pipe is arranged in the middle above the left side of the filtering box, and an exhaust pipe is arranged in the middle above the right side of the filtering box. The purified solution is added into the interior of the filtering box through the feeding pipe. When drying, in order to maintain the air pressure inside the filtering box, the hot air will be discharged through the exhaust pipe.

[0011] Preferably, a support plate is provided in the middle above the top plate. Four upper support rods are equidistantly arranged at the four corners of the bottom of the support plate. The bottom ends of the four upper support rods are welded to the top of the top plate. A motor is provided at the center point of the top of the support plate. After the rubber brush contacts the crystal, the motor is started, and the motor drives the rotating shaft to rotate.

[0012] Preferably, an installation plate is provided at the position corresponding to the motor below the support plate. A rotating shaft is provided at the center point of the top of the installation plate. The top end of the rotating shaft passes through the support plate and is connected to the output end of the motor. The rotating shaft drives the stirring disk to rotate through the electric telescopic rod, so as to stir the crystal through the rubber brush, prevent the crystal from sticking together, and ensure the drying effect.

[0013] Preferably, an electric telescopic rod is provided at the center point of the bottom of the installation plate. The bottom end of the electric telescopic rod passes through the top plate and is welded to the top of the stirring disk. After the crystal filtration is completed, the electric telescopic rod drives the stirring disk to move downward until the rubber brush contacts the crystal.

[0014] Preferably, four lower support rods are equidistantly arranged at the four corners of the bottom of the filter box. A drain pipe is provided at the center point of the bottom of the filter box. The solution falls to the bottom end inside the filter box and is discharged to the outside of the filter box through the drain pipe.

[0015] Advantages of the present utility model:

[0016] 1. By providing a filter plate and non-woven fabric to separate the purified solution and crystal, the crystal remains on the non-woven fabric, and the liquid is discharged through the drain pipe. Then, hot air is blown into the filter box through the hot air unit body to dry the crystal. At the same time, the electric telescopic rod drives the stirring disk to move downward until the rubber brush contacts the crystal. Then, the motor drives the rotating shaft to rotate, and the rotating shaft drives the stirring disk to rotate through the electric telescopic rod, so as to stir the crystal through the rubber brush, prevent the crystal from sticking together, and ensure the drying effect. This solves the problem that the common filtration device for preparing sodium iodide crystal only includes a filtration function, can separate the purified solution and crystal, but lacks the functions of stirring and drying, cannot ensure the drying degree of the crystal, and is prone to excessive moisture in the crystal, which is easy to deliquesce and affects the quality of the finished product. Description of the drawings

[0017] Figure 1 Shown is a three-dimensional structure schematic diagram of a stirring and filtering device for preparing sodium iodide crystal of the present utility model;

[0018] Figure 2 Shown is a three-dimensional sectional structure schematic diagram of a stirring and filtering device for preparing sodium iodide crystal of the present utility model;

[0019] Figure 3The figure shows a three-dimensional structural schematic diagram of a filtration box of a stirring and filtering device for preparing sodium iodide crystals according to the present utility model;

[0020] Figure 4 The figure shows an exploded structural schematic diagram of a filtration assembly of a stirring and filtering device for preparing sodium iodide crystals according to the present utility model;

[0021] Figure 5 The figure shows a three-dimensional structural schematic diagram of a stirring assembly of a stirring and filtering device for preparing sodium iodide crystals according to the present utility model.

[0022] Explanation of reference numerals: 1, filtration box; 2, filter plate; 3, non-woven fabric; 4, top plate; 5, stirring disc; 6, rubber brush; 7, drying slot; 8, main body of hot air blower unit; 9, filtration slot; 10, limiting strip; 11, sealing plate; 12, handle; 13, sealing gasket; 14, filtration hole; 15, feeding pipe; 16, exhaust pipe; 17, upper support rod; 18, support plate; 19, motor; 20, mounting plate; 21, electric telescopic rod; 22, rotating shaft; 23, lower support rod; 24, liquid discharge pipe. Detailed implementation manners

[0023] The present utility model will be further described below with reference to the accompanying drawings and embodiments.

[0024] Please refer to Figures 1 - 5 , the present utility model provides an embodiment: a stirring and filtering device for preparing sodium iodide crystals, including a filtration box 1; further including a filter plate 2, a non-woven fabric 3, a top plate 4, a stirring disc 5, a rubber brush 6, a drying slot 7 and a main body of a hot air blower unit 8. A filter plate 2 is arranged below the interior of the filtration box 1, a non-woven fabric 3 is placed on the top of the filter plate 2, a top plate 4 is arranged on the top of the filtration box 1, a stirring disc 5 is arranged above the interior of the filtration box 1, a rubber brush 6 is arranged at the bottom of the stirring disc 5, a drying slot 7 is opened above the front of the filtration box 1, and the main body of the hot air blower unit 8 is arranged at a position corresponding to the drying slot 7 above the front of the filtration box 1. By arranging the filter plate 2 and the non-woven fabric 3, the purified solution and crystals are separated, the crystals remain on the non-woven fabric 3, and the liquid is discharged through the liquid discharge pipe 24. Then, hot air is blown into the interior of the filtration box 1 through the main body of the hot air blower unit 8 to dry the crystals. At the same time, the electric telescopic rod 21 drives the stirring disc 5 to move downward until the rubber brush 6 contacts the crystals, and then the motor 19 drives the rotating shaft 22 to rotate. The rotating shaft 22 drives the stirring disc 5 to rotate through the electric telescopic rod 21, so as to stir the crystals through the rubber brush 6 to prevent the crystals from sticking together and ensure the drying effect, so as to solve the problem that the common filtration device for preparing sodium iodide crystals only includes a filtration function, can separate the purified solution and crystals, but lacks the functions of stirring and drying, cannot ensure the drying degree of the crystals, and is prone to excessive moisture in the crystals and easy deliquescence, affecting the quality of the finished product.

[0025] Please refer to Figures 2 - 5 In this embodiment, two limiting strips 10 are symmetrically arranged at the lower parts on the left and right sides inside the filtering box 1 corresponding to the positions of the filter plate 2. The left and right sides of the filter plate 2 are respectively inserted into the two limiting strips 10. A number of filtering holes 14 are equidistantly formed at the top of the filter plate 2. A filtering slot 9 is formed at the lower part of the front side of the filtering box 1 corresponding to the position of the filter plate 2. A sealing plate 11 is arranged inside the filtering slot 9. The sealing plate 11 is fixed to the filtering box 1 by bolts. A handle 12 is arranged in the middle of the front side of the sealing plate 11. A sealing gasket 13 is arranged on the reverse side of the sealing plate 11. The front side of the filter plate 2 passes through the filtering slot 9 and is welded to the reverse side of the sealing plate 11. A feeding pipe 15 is arranged in the middle of the upper part on the left side of the filtering box 1. An exhaust pipe 16 is arranged in the middle of the upper part on the right side of the filtering box 1. Four lower support rods 23 are equidistantly arranged at the four corners of the bottom of the filtering box 1. A drain pipe 24 is arranged at the center point of the bottom of the filtering box 1. Lift the sealing plate 11 through the handle 12, and then insert the filter plate 2 into the filtering box 1 through the filtering slot 9, while the sealing plate 11 is placed inside the filtering slot 9, and then fix the sealing plate 11 to the filtering box 1 by bolts. When the filter plate 2 is inserted into the filtering box 1, its left and right sides are respectively inserted into the two limiting strips 10. Then add the purified solution into the filtering box 1 through the feeding pipe 15. When the solution falls to the top of the filter plate 2, the solution and the crystals are separated through the non-woven fabric 3 and the filtering holes 14. The solution falls to the bottom end inside the filtering box 1, and the crystals remain on the top of the filter plate 2. After the solution falls to the bottom end inside the filtering box 1, it is drained out of the filtering box 1 through the drain pipe 24, and the filtering work is completed.

[0026] Please refer to Figures 1 - 5, in this embodiment, a support plate 18 is provided in the middle above the top plate 4. Four upper support rods 17 are equidistantly arranged at the four corners of the bottom of the support plate 18. The bottom ends of the four upper support rods 17 are welded to the top of the top plate 4. A motor 19 is provided at the center point of the top of the support plate 18. An installation plate 20 is provided below the support plate 18 corresponding to the position of the motor 19. A rotating shaft 22 is provided at the center point of the top of the installation plate 20. The top end of the rotating shaft 22 passes through the support plate 18 and is connected to the output end of the motor 19. An electric telescopic rod 21 is provided at the center point of the bottom of the installation plate 20. The bottom end of the electric telescopic rod 21 passes through the top plate 4 and is welded to the top of the mixing disk 5. After the crystal filtration is completed, the electric telescopic rod 21 drives the mixing disk 5 to move downward until the rubber brush 6 contacts the crystal. After the rubber brush 6 contacts the crystal, the motor 19 is started. The motor 19 drives the rotating shaft 22 to rotate. The rotating shaft 22 drives the mixing disk 5 to rotate through the electric telescopic rod 21, so as to stir the crystal through the rubber brush 6 to prevent the crystal from sticking together. At the same time, the hot air generator body 8 blows hot air into the inside of the filter box 1 to dry the crystal and ensure the drying degree of the crystal, realizing the function of stirring and drying, and preventing the problem that the excessive moisture in the crystal is easy to deliquesce and affect the quality of the finished product.

[0027] When working, the sealing plate 11 is lifted by the handle 12, and then the filter plate 2 is inserted into the inside of the filter box 1 through the filter slot 9, while the sealing plate 11 is placed inside the filter slot 9, and then the sealing plate 11 is fixed to the filter box 1 by bolts. When the filter plate 2 is inserted into the inside of the filter box 1, its left and right sides are respectively clamped into the inside of the two limit strips 10. Then the purified solution is added into the inside of the filter box 1 through the feeding pipe 15. When the solution falls to the top of the filter plate 2, the solution and the crystal are separated through the non-woven fabric 3 and the filter holes 14. The solution falls to the bottom end inside the filter box 1, and the crystal remains on the top of the filter plate 2. After the solution falls to the bottom end inside the filter box 1, it is discharged to the outside of the filter box 1 through the drain pipe 24. After the crystal filtration is completed, the electric telescopic rod 21 drives the mixing disk 5 to move downward until the rubber brush 6 contacts the crystal. After the rubber brush 6 contacts the crystal, the motor 19 is started. The motor 19 drives the rotating shaft 22 to rotate. The rotating shaft 22 drives the mixing disk 5 to rotate through the electric telescopic rod 21, so as to stir the crystal through the rubber brush 6 to prevent the crystal from sticking together. At the same time, the hot air generator body 8 blows hot air into the inside of the filter box 1 to dry the crystal and ensure the drying degree of the crystal, realizing the function of stirring and drying.

[0028] Through the above steps, the purified solution and crystals are separated by setting the filter plate 2 and the non-woven fabric 3. The crystals remain on the non-woven fabric 3, and the liquid is discharged through the drain pipe 24. Then, hot air is blown into the interior of the filter box 1 by the hot air blower unit body 8 to dry the crystals. At the same time, the electric telescopic rod 21 drives the stirring disc 5 to move downward until the rubber brush 6 contacts the crystals. Then, the motor 19 drives the rotating shaft 22 to rotate, and the rotating shaft 22 drives the stirring disc 5 to rotate through the electric telescopic rod 21, so as to stir the crystals through the rubber brush 6, prevent the crystals from sticking together, and ensure the drying effect. This is to solve the problem of a common filtration device for preparing sodium iodide crystals, which only includes a filtration function, can separate the purified solution and crystals, but lacks the functions of stirring and drying, cannot ensure the drying degree of the crystals, and is prone to excessive moisture in the crystals, which is easy to deliquesce and affects the quality of the finished product.

Claims

1. A stirring and filtering device for preparing sodium iodide crystals, comprising a filtering box (1); characterized in that: The invention also comprises a filter plate (2), a non-woven fabric (3), a top plate (4), a stirring disc (5), a rubber brush (6), a drying slot (7) and a hot air unit body (8); the filter plate (2) is arranged at the lower part of the filter box (1); the non-woven fabric (3) is placed on the top of the filter plate (2); the top plate (4) is arranged at the top of the filter box (1); the stirring disc (5) is arranged at the upper part of the filter box (1); the rubber brush (6) is arranged at the bottom of the stirring disc (5); the drying slot (7) is arranged at the upper part of the front of the filter box (1); and the hot air unit body (8) is arranged at the position corresponding to the drying slot (7) at the upper part of the front of the filter box (1).

2. A stirring and filtering device for preparing sodium iodide crystals according to claim 1, characterized in that: Two limit clamping strips (10) are symmetrically arranged below the left and right sides of the filter box (1) at positions corresponding to the filter plate (2), and the left and right sides of the filter plate (2) are respectively inserted into the inside of the two limit clamping strips (10), and a plurality of filter holes (14) are opened at equal intervals on the top of the filter plate (2).

3. A stirring and filtering device for preparing sodium iodide crystals according to claim 1, characterized in that: A filter slot (9) is provided below the front surface of the filter box (1) at a position corresponding to the filter plate (2), a sealing plate (11) is provided inside the filter slot (9), the sealing plate (11) is fixed to the filter box (1) by bolts, a handle (12) is provided in the middle of the front surface of the sealing plate (11), a sealing gasket (13) is provided on the back surface of the sealing plate (11), and the front side of the filter plate (2) passes through the filter slot (9) and is welded to the back surface of the sealing plate (11).

4. A stirring and filtering device for preparing sodium iodide crystals according to claim 1, characterized in that: A feeding pipe (15) is arranged in the middle of the upper left side of the filter box (1), and an exhaust pipe (16) is arranged in the middle of the upper right side of the filter box (1).

5. A stirring and filtering device for preparing sodium iodide crystals according to claim 1, characterized in that: A support plate (18) is arranged in the middle of the top plate (4), four upper support rods (17) are arranged at equal intervals at the four corners of the bottom of the support plate (18), the bottom ends of the four upper support rods (17) are welded to the top of the top plate (4), and a motor (19) is arranged at the center point of the top of the support plate (18).

6. A stirring and filtering device for preparing sodium iodide crystals according to claim 5, characterized in that: A mounting plate (20) is arranged below the support plate (18) at a position corresponding to the motor (19), a rotating shaft (22) is arranged at the top center point of the mounting plate (20), and the top end of the rotating shaft (22) penetrates the support plate (18) and is connected to the output end of the motor (19).

7. A stirring and filtering device for preparing sodium iodide crystals according to claim 1, characterized in that: An electric telescopic rod (21) is arranged at the center point of the bottom of the mounting plate (20), and the bottom end of the electric telescopic rod (21) passes through the top plate (4) and is welded to the top of the stirring plate (5).

8. A stirring and filtering device for preparing sodium iodide crystals according to claim 1, characterized in that: Four lower support rods (23) are arranged at equal intervals at the four corners of the bottom of the filter box (1), and a drainage pipe (24) is arranged at the center point of the bottom of the filter box (1).

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