Device and process for preparing optical-grade sodium fluoride product

Abstract

The invention relates to the technical field of sodium fluoride preparation devices, in particular to a preparation device and process of an optical-grade sodium fluoride product, and the preparation device comprises a first guide transmission structure, a production processing structure, a toothed belt and a second guide transmission structure, the front end of the first guide transmission structure is communicated with the production processing structure; the side end of the second guide conveying structure communicates with the production treatment structure, the first guide conveying structure comprises a first communication control pipe, a butt joint guide base, a protective top disc, a first motor, a first protective base, a first sealing disc base and a first butt joint guide discharging pipe, and the lower end of the first communication control pipe communicates with the first sealing disc base through the butt joint guide base; the upper end of the first sealing disc seat is sealed through a protective top disc, and a first motor is installed at the upper end of the protective top disc. And through the arrangement of the first guide transmission structure, the production treatment structure and the second guide transmission structure, the preparation work of sodium fluoride is facilitated.

Description

Technical Field

[0001] The invention relates to the technical field of sodium fluoride preparation devices, in particular to a preparation device and process for an optical-grade sodium fluoride product. Background Art

[0002] Optical grade sodium fluoride products can be produced by the neutralization method. The neutralization method is to use caustic soda to neutralize hydrofluoric acid to obtain sodium fluoride. The specific operation method is: add 40% hydrofluoric acid to the lead storage batching seat, and then slowly add caustic soda to neutralize until the reaction liquid is close to neutral, and then obtain the product through crystallization, centrifugal dehydration and drying.

[0003] According to Chinese patent CN202311333270.X, a method for preparing fluoride salt is provided, and the method comprises the following steps: step S1, during preparation, the oxide is transported to a preparation bin; step S2, aqueous hydrogen fluoride is pressurized and transported to the preparation bin via an intermediate tank; step S3, aqueous hydrogen fluoride and oxide in the preparation bin are stirred by a stirring mechanism to accelerate the reaction of aqueous hydrogen fluoride and oxide; step S4, aqueous hydrogen fluoride reacts with oxide in the preparation bin, and negative ions of aqueous hydrogen fluoride are replaced with oxygen ions of oxide to form water and fluoride salt precipitate; step S5, the fluoride salt precipitate is transported to a vacuum dryer for drying, and then output for use.

[0004] At present, the existing preparation process of optical grade sodium fluoride products requires the use of multiple devices to form flow production, which is not convenient for continuous processing of feeding-neutralization-filtration and is not conducive to improving production efficiency. Therefore, improvements are made to the above problems. Summary of the invention

[0005] In view of the problems in the prior art, the present invention provides a device and process for preparing an optical grade sodium fluoride product.

[0006] The technical solution adopted by the present invention to solve the technical problem is: a preparation device and process of an optical grade sodium fluoride product, comprising a first guide transmission structure, a production processing structure, a toothed belt, and a second guide transmission structure, wherein the front end of the first guide transmission structure is connected to the production processing structure, and the side end of the second guide transmission structure is also connected to the production processing structure;

[0007] The first guide transmission structure comprises a first communication control tube, a docking guide seat, a protective top plate, a first motor, a first protective base, a first sealing disc seat and a first docking guide pipe, wherein the lower end of the first communication control tube is connected to a first sealing disc seat through the docking guide seat, the upper end of the first sealing disc seat is sealed by a protective top plate, and a first motor is installed on the upper end of the protective top plate, the side end of the first sealing disc seat is connected to a first docking guide pipe, and the lower end of the first sealing disc seat is sealed and fixed to the first protective base;

[0008] The production processing structure comprises a filtering processing component and a production assembly component. The front end of the production assembly component is connected to the filtering processing component, and the second guiding transmission structure controls the operation of the filtering processing component through a toothed belt.

[0009] Specifically, the filtering processing component includes a drain pipe, a matching guide seat, a sealing disc block, a filter, a sealing gasket, a matching power rod and a first toothed disc. The side end of the first toothed disc is fixedly connected with a matching power rod, and the matching power rod is rotatably connected with the sealing gasket. The matching power rod drives the filter to be rotatably connected. The filter rotates in the sealing disc block. The side end of the sealing disc block is sealed by the matching guide seat, and a drain pipe is provided through the center of the drain pipe, and the drain pipe is connected with the sealing disc block.

[0010] Specifically, the production assembly includes an inlet pipe, an air guide seat, a storage and dispensing seat, a neutralization mechanism, a docking discharge pipe and a fixed frame. The front end of the inlet pipe is connected to a storage and dispensing seat, the storage and dispensing seat is connected to an air guide seat, the front end of the storage and dispensing seat is connected to a neutralization mechanism, the center of the neutralization mechanism is supported and fixed by a fixed frame, the front end of the neutralization mechanism is connected to a docking discharge pipe, hydrofluoric acid is introduced through the inlet pipe, stored and transmitted in the storage and dispensing seat, and then introduced into the interior of the neutralization pipe through the docking branch pipe and the conduction pump. At this time, the second motor controls the threaded guide rod to rotate in the neutralization pipe to achieve a neutralization reaction, and then it is introduced into the interior of the sealing disk block through the docking discharge pipe. The second toothed disc drives the fourth toothed disc to rotate by meshing with the third toothed disc, thereby driving the first toothed disc to rotate through the toothed belt, so that the filter rotates in the sealing disk block, and the filtered solution realizes integrated production through the discharge pipe.

[0011] Specifically, the neutralization mechanism includes a docking branch pipe, a conduction pump, a neutralization pipe, a second motor and a threaded guide rod. The front end of the docking branch pipe is connected to a conduction pump, the front end of the conduction pump is connected to a neutralization pipe, a threaded guide rod is rotatably connected in the neutralization pipe, and the front end of the threaded guide rod is installed with a second motor.

[0012] Specifically, the second guiding transmission structure includes a second connecting control tube, a third motor, a second gear plate, a second protective base, a third gear plate, a mounting side frame block, a fourth gear plate and a matching bearing seat, the front end of the second connecting control tube is connected with a second sealing disc seat, the upper end of the second sealing disc seat is installed with a third motor, the third motor controls the matching center disc to rotate, the side end of the matching center disc is fixedly connected with a transmission guide row gear plate, the side end of the second sealing disc seat is connected with a second docking guide tube, the lower end of the second sealing disc seat rotates through the second protective base, and the third motor is also connected through the output shaft The second gear disc can be controlled to rotate, and the second gear disc rotates at the lower end of the second protective base through the bearing. The transmission of the caustic soda solution is controlled through the structural settings of the first guide transmission structure and the second guide transmission structure. The first guide transmission structure and the second guide transmission structure have basically the same structure, with only the second gear disc, the third gear disc, the mounting side frame block, the fourth gear disc and the matching bearing seat being added. The second connecting control pipe introduces the caustic soda solution through the second sealing disc seat. At this time, the third motor controls the transmission guide gear disc and rotates in coordination with the center disc, so that the caustic soda solution is transmitted to the inside of the neutralization tube through the second docking guide tube, which is convenient for the subsequent neutralization reaction.

[0013] Specifically, the side end of the second toothed disc is meshedly connected with the third toothed disc, the side end of the third toothed disc is fixedly connected with the fourth toothed disc, the side end of the fourth toothed disc is fixedly connected with a matching bearing seat, and the matching bearing seat rotates on the mounting side frame block through a bearing.

[0014] Specifically, the second connecting control pipe is connected to introduce liquid through the second sealing disc seat, and the transmission guide gear disc and the rotation of the center disc control the liquid to be transmitted to the second docking guide pipe, and the second docking guide pipe is connected to the side end of the neutralization pipe.

[0015] Specifically, a toothed belt is meshedly connected to the upper end of the mating bearing seat, and the toothed belt is also meshedly connected to the first toothed disc, so as to control the filter to be rotatably connected in the sealing disc block.

[0016] Specifically, the rear end of the sealing disc block is connected to the docking discharge pipe, the docking branch pipe is connected to the storage ingredient seat, the docking branch pipe is connected to the neutralization pipe through the conduction pump, the side end of the first docking guide pipe is connected to the neutralization pipe, and the neutralization pipe is supported and fixed by a fixed frame.

[0017] A preparation process of an optical grade sodium fluoride product comprises the following steps:

[0018] S1, feeding reaction: first add hydrofluoric acid to the storage and batching seat, and then add caustic soda to make it fully react;

[0019] S2, filtration treatment: filtering the solution obtained by the above reaction to remove residual impurities in the solution;

[0020] S3, drying treatment: the filtrate is transferred to a storage device and dried to obtain sodium fluoride

[0021] Beneficial effects of the present invention:

[0022] First, the present invention controls the transmission of the caustic soda solution through the structural setting of the first guide transmission structure and the second guide transmission structure, and the first guide transmission structure and the second guide transmission structure are basically the same in structure, only with the addition of a second gear plate, a third gear plate, a mounting side frame block, a fourth gear plate and a matching bearing seat. The second connecting control pipe introduces the caustic soda solution through the second sealing disc seat. At this time, the third motor controls the transmission guide gear plate and cooperates with the rotation of the center disc, so that the caustic soda solution is transmitted to the inside of the neutralization tube through the second docking guide pipe, which is convenient for the subsequent neutralization reaction.

[0023] Second, the present invention introduces hydrofluoric acid through an introduction pipe, stores and transmits it in a storage and dispensing seat, and then introduces it into the interior of a neutralization pipe through a docking branch pipe and a conduction pump. At this time, a second motor controls the threaded guide rod to rotate in the neutralization pipe to achieve a neutralization reaction. Then, it is introduced into the interior of a sealing disk block through a docking discharge pipe. The second toothed disk drives the fourth toothed disk to rotate by meshing with the third toothed disk, thereby driving the first toothed disk to rotate through a toothed belt, so that the filter rotates in the sealing disk block, and the filtered solution realizes integrated production work through a guide pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0025] Figure 1 It is a schematic diagram of the three-dimensional structure of the main body of the present invention from the front perspective;

[0026] Figure 2 It is a schematic diagram of the three-dimensional structure of the main body of the present invention from a side perspective;

[0027] Figure 3 It is a schematic diagram of the three-dimensional structure of the main body of the present invention from a rear perspective;

[0028] Figure 4 It is a schematic diagram of the three-dimensional structure from the front perspective of the first guiding transmission structure in the present invention;

[0029] Figure 5 A three-dimensional diagram of the production and processing structure of the present invention;

[0030] Figure 6 This is a disassembled diagram of the filtering processing component in the present invention;

[0031] Figure 7 A three-dimensional diagram of the production assembly components of the present invention;

[0032] Figure 8 It is a disassembled diagram of the neutralization mechanism of the present invention;

[0033] Fig. 9 is a three-dimensional diagram of the second guided transmission structure in the present invention;

[0034] Fig.10 It is a split diagram of the second guided transmission structure in the present invention.

[0035] In the figure: 1-first guide transmission structure, 2-production processing structure, 3-toothed belt, 4-second guide transmission structure, 5-first communication control pipe, 6-joint guide seat, 7-protective top plate, 8-first motor, 9-first protective base, 10-first sealing disc seat, 11-first joint guide pipe, 12-filtering processing component, 13-production assembly component, 14-guide pipe, 15-matching guide seat, 16-sealing disc block, 17-filter, 18-sealing pad, 19-matching power rod, 20-first toothed disc, 21-introduction pipe, 22-guide Air seat, 23-storage ingredient seat, 24-neutralization mechanism, 25-docking discharge pipe, 26-fixed frame, 27-docking branch pipe, 28-conduction pump, 29-neutralization pipe, 30-second motor, 31-threaded guide rod, 32-second connecting control pipe, 33-third motor, 34-second gear disc, 35-second protective base, 36-third gear disc, 37-installation side frame block, 38-fourth gear disc, 39-matching bearing seat, 40-second docking guide pipe, 41-transmission guide gear disc, 42-matching center disc, 43-second sealing disc seat. DETAILED DESCRIPTION

[0036] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0037] The present invention is further described below in conjunction with the accompanying drawings.

[0038] Example

[0039] like Figure 1-10 As shown, a preparation device and process of an optical grade sodium fluoride product of the present invention comprises a first guiding transmission structure 1, a production processing structure 2, a toothed belt 3 and a second guiding transmission structure 4, wherein the front end of the first guiding transmission structure 1 is connected to the production processing structure 2, and the side end of the second guiding transmission structure 4 is also connected to the production processing structure 2;

[0040] The first guide transmission structure 1 includes a first communication control tube 5, a docking guide seat 6, a protective top plate 7, a first motor 8, a first protective base 9, a first sealing disc seat 10 and a first docking guide pipe 11. The lower end of the first communication control tube 5 is connected to the first sealing disc seat 10 through the docking guide seat 6, the upper end of the first sealing disc seat 10 is sealed by the protective top plate 7, and the first motor 8 is installed on the upper end of the protective top plate 7. The side end of the first sealing disc seat 10 is connected to the first docking guide pipe 11, and the lower end of the first sealing disc seat 10 is sealed and fixed to the first protective base 9;

[0041] The production processing structure 2 includes a filtering processing component 12 and a production assembly component 13 . The front end of the production assembly component 13 is connected to the filtering processing component 12 . The second guide transmission structure 4 controls the operation of the filtering processing component 12 through the toothed belt 3 .

[0042] The filtering treatment component 12 includes a drain pipe 14, a matching guide seat 15, a sealing disc block 16, a filter 17, a sealing gasket 18, a matching power rod 19 and a first toothed disc 20. The side end of the first toothed disc 20 is fixedly connected with the matching power rod 19, and the matching power rod 19 is rotatably connected with the sealing gasket 18. The matching power rod 19 drives the filter 17 to be rotatably connected. The filter 17 rotates in the sealing disc block 16. The side end of the sealing disc block 16 is sealed by the matching guide seat 15, and the drain pipe 14 is provided with a drain pipe running through the center, and the drain pipe 14 is connected with the sealing disc block 16.

[0043] The production assembly 13 includes an introduction pipe 21, an air guide seat 22, a storage and dispensing seat 23, a neutralization mechanism 24, a docking discharge pipe 25 and a fixed frame 26. The front end of the introduction pipe 21 is connected to the storage and dispensing seat 23, the storage and dispensing seat 23 is connected to the air guide seat 22, the front end of the storage and dispensing seat 23 is connected to the neutralization mechanism 24, the center of the neutralization mechanism 24 is supported and fixed by the fixed frame 26, the front end of the neutralization mechanism 24 is connected to the docking discharge pipe 25, the hydrofluoric acid is introduced through the introduction pipe 21, and the storage and dispensing seat 23 is connected to the air guide seat 22. 3, and then introduced into the neutralization pipe 29 through the docking branch pipe 27 and the conduction pump 28. At this time, the second motor 30 controls the threaded guide rod 31 to rotate and neutralize in the neutralization pipe 29, and then introduced into the sealing disk block 16 through the docking discharge pipe 25. The second toothed disc 34 drives the fourth toothed disc 38 to rotate by engaging with the third toothed disc 36, thereby driving the first toothed disc 20 to rotate through the toothed belt 3, so that the filter 17 rotates in the sealing disk block 16, and the filtered solution realizes integrated production work through the guide pipe 14.

[0044] The neutralization mechanism 24 includes a docking branch pipe 27, a conduction pump 28, a neutralization pipe 29, a second motor 30 and a threaded guide rod 31. The front end of the docking branch pipe 27 is connected to the conduction pump 28, and the front end of the conduction pump 28 is connected to the neutralization pipe 29. The threaded guide rod 31 is rotatably connected in the neutralization pipe 29, and the front end of the threaded guide rod 31 is installed with the second motor 30. Hydrofluoric acid is introduced through the introduction pipe 21, and the hydrofluoric acid is stored in the storage and dispensing seat 23. At the same time, excess gas is discharged through the gas guide seat 22. Then, the hydrofluoric acid in the storage and dispensing seat 23 is introduced into the conduction pump 28 through the docking branch pipe 27. Then, the conduction pump 28 introduces the hydrofluoric acid into the neutralization pipe 29. At this time, the second motor 30 works, driving the threaded guide rod 31 to rotate in the neutralization pipe 29 to achieve mixing treatment.

[0045] The second guiding transmission structure 4 includes a second connecting control tube 32, a third motor 33, a second toothed disc 34, a second protective base 35, a third toothed disc 36, an installation side frame block 37, a fourth toothed disc 38 and a matching bearing seat 39. The front end of the second connecting control tube 32 is connected with a second sealing disc seat 43, and the upper end of the second sealing disc seat 43 is installed with a third motor 33. The third motor 33 controls the matching center disc 42 to rotate and connect. The side end of the matching center disc 42 is fixedly connected with a transmission guide toothed disc 41. The side end of the second sealing disc seat 43 is connected with a second docking guide tube 40. The lower end of the second sealing disc seat 43 rotates through the second protective base 35, and the third motor 33 can also control the rotation of the second toothed disc 34 through the output shaft. The second toothed disc 34 rotates at the lower end of the second protective base 35 through the bearing. The first guiding transmission structure 1 and the second guiding transmission structure 4 introduce caustic soda solution, which reaches the inside of the docking guide seat 6 through the first connecting control tube 5, and then guides it to the protective top disc 7 and the first sealing disc seat 10. Inside, at the same time, the first motor 8 drives the second transmission guide toothed disc 41 at the lower end and the matching center disc 42 to rotate, so as to realize the drainage of the caustic soda solution, and conduct it to the inside of the neutralization tube 29 through the first docking guide tube 11. At the same time, the second guide transmission structure 4 also introduces the caustic soda solution, and then conducts it to the inside of the second sealing disc seat 43. At this time, the third motor 33 controls the matching center disc 42 and the transmission guide toothed disc 41 to rotate, so as to realize the conduction of the caustic soda solution, and conducts it to the inside of the neutralization tube 29 through the second docking guide tube 40 and neutralizes it. After the reaction is completed, the solution is drained through the docking discharge pipe 25 so that the solution reaches the inside of the sealing disc block 16. The third motor 33 drives the second toothed disc 34 to rotate, and the second toothed disc 34 drives the meshing third toothed disc 36 to rotate, and the third toothed disc 36 drives the fourth toothed disc 38 and the matching bearing seat 39 to rotate, and the fourth toothed disc 38 controls the first toothed disc 20 to rotate through the toothed belt 3, and the first toothed disc 20 drives the filter 17 to rotate, and the filtered solution reaches the drainage pipe 14 for drainage treatment.

[0046] The side end of the second toothed disc 34 is meshedly connected with the third toothed disc 36, the side end of the third toothed disc 36 is fixedly connected with the fourth toothed disc 38, the side end of the fourth toothed disc 38 is fixedly connected with the matching bearing seat 39, and the matching bearing seat 39 rotates on the mounting side frame block 37 through the bearing.

[0047] The second connecting control pipe 32 is connected to introduce liquid through the second sealing disk seat 43, and the transmission guide tooth disk 41 cooperates with the rotation of the center disk 42 to control the liquid to be transmitted to the second docking guide pipe 40, and the second docking guide pipe 40 is connected to the side end of the neutralization pipe 29.

[0048] The upper end of the matching bearing seat 39 is meshedly connected with a toothed belt 3 , and the toothed belt 3 is also meshedly connected with the first toothed disc 20 , thereby controlling the filter 17 to be rotatably connected in the sealing disc block 16 .

[0049] The rear end of the sealing disc block 16 is connected to the docking discharge pipe 25, the docking branch pipe 27 is connected to the storage and dispensing seat 23, the docking branch pipe 27 is connected to the neutralization pipe 29 through the conduction pump 28, the side end of the first docking guide pipe 11 is connected to the neutralization pipe 29, and the neutralization pipe 29 is supported and fixed by the fixed frame 26.

[0050] A preparation process of an optical grade sodium fluoride product comprises the following steps:

[0051] S1, feeding reaction: first add hydrofluoric acid to the storage and batching seat, and then add caustic soda to make it fully react;

[0052] S2, filtration treatment: filtering the solution obtained by the above reaction to remove residual impurities in the solution;

[0053] S3, drying treatment: the filtrate is transferred to a storage device and dried to obtain sodium fluoride.

[0054] The working principle is as follows: when in use, the user introduces hydrofluoric acid through the introduction tube 21, and the hydrofluoric acid is stored in the storage and dispensing seat 23. At the same time, the excess gas is discharged through the gas guide seat 22. Then, the solution in the storage and dispensing seat 23 is introduced into the inside of the conduction pump 28 through the docking branch pipe 27. Then, the conduction pump 28 introduces the solution into the inside of the neutralization pipe 29. At this time, the second motor 30 works, driving the threaded guide rod 31 to rotate inside the neutralization pipe 29. After mixing, the first guide transmission structure 1 and the second guide transmission structure 4 introduce the caustic soda solution, which reaches the inside of the docking guide seat 6 through the first connecting control pipe 5, and then is guided to the inside of the protective top plate 7 and the first sealing disc seat 10. At the same time, the first motor 8 drives the second transmission guide toothed disc 41 at the lower end and cooperates with the center disc 42 to rotate, so as to realize the drainage of the caustic soda solution, and conducts it to the neutralization pipe 2 through the first docking guide pipe 11. 9, and at the same time, the second guiding transmission structure 4 also introduces the caustic soda solution, and then transmits it to the inside of the second sealing disc seat 43. At this time, the third motor 33 controls the matching center disc 42 and the transmission guide tooth disc 41 to rotate, so as to realize the conduction of the caustic soda solution, and transmits it to the inside of the neutralization tube 29 through the second docking guide tube 40 and neutralizes it. After the reaction is completed, the solution is discharged through the docking discharge pipe 25 so that the solution reaches the inside of the sealing disc block 16, and the third motor 33 drives the second tooth disc 34 to rotate, and the second tooth disc 34 drives the meshing third tooth disc 36 to rotate, and the third tooth disc 36 drives the fourth tooth disc 38 and the matching bearing seat 39 to rotate, and the fourth tooth disc 38 controls the first tooth disc 20 to rotate through the toothed belt 3, and the first tooth disc 20 drives the filter 17 to rotate, and the filtered solution reaches the guide tube 14 and is guided to the outside for subsequent reaction production to complete the work.

[0055] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for preparing an optical grade sodium fluoride product, characterized in that: The invention comprises a first guiding and transmitting structure (1), a production and processing structure (2), a toothed belt (3) and a second guiding and transmitting structure (4), wherein the front end of the first guiding and transmitting structure (1) is connected to the production and processing structure (2), and the side end of the second guiding and transmitting structure (4) is also connected to the production and processing structure (2); The first guide transmission structure (1) comprises a first communication control tube (5), a docking guide seat (6), a protective top plate (7), a first motor (8), a first protective base (9), a first sealing disc seat (10) and a first docking guide pipe (11); the lower end of the first communication control tube (5) is connected to the first sealing disc seat (10) through the docking guide seat (6); the upper end of the first sealing disc seat (10) is sealed by the protective top plate (7), and the first motor (8) is installed on the upper end of the protective top plate (7); the side end of the first sealing disc seat (10) is connected to the first docking guide pipe (11); the lower end of the first sealing disc seat (10) is sealed and fixed to the first protective base (9); The production processing structure (2) comprises a filtering processing component (12) and a production assembly component (13); the front end of the production assembly component (13) is connected to the filtering processing component (12); and the second guide transmission structure (4) controls the operation of the filtering processing component (12) through a toothed belt (3).

2. The preparation device of an optical grade sodium fluoride product according to claim 1, characterized in that: The filtering treatment component (12) comprises a drain pipe (14), a matching guide seat (15), a sealing disc block (16), a filter (17), a sealing gasket (18), a matching power rod (19) and a first toothed disc (20); the side end of the first toothed disc (20) is fixedly connected with a matching power rod (19), and the matching power rod (19) is rotationally connected with the sealing gasket (18); the matching power rod (19) drives the filter (17) to be rotationally connected; the filter (17) rotates in the sealing disc block (16); the side end of the sealing disc block (16) is sealed by the matching guide seat (15); and the drain pipe (14) is provided through the center of the drain pipe (14); the drain pipe (14) is connected with the sealing disc block (16).

3. A device for preparing an optical grade sodium fluoride product according to claim 2, characterized in that: The production assembly (13) comprises an inlet pipe (21), an air guide seat (22), a storage and dispensing seat (23), a neutralization mechanism (24), a docking discharge pipe (25) and a fixed frame (26); the front end of the inlet pipe (21) is connected to the storage and dispensing seat (23); the storage and dispensing seat (23) is connected to the air guide seat (22); the front end of the storage and dispensing seat (23) is connected to the neutralization mechanism (24); the center of the neutralization mechanism (24) is supported and fixed by the fixed frame (26); the front end of the neutralization mechanism (24) is connected to the docking discharge pipe (25).

4. The preparation device of an optical grade sodium fluoride product according to claim 3, characterized in that: The neutralization mechanism (24) comprises a docking branch pipe (27), a conduction pump (28), a neutralization pipe (29), a second motor (30) and a threaded guide rod (31). The front end of the docking branch pipe (27) is connected to the conduction pump (28), the front end of the conduction pump (28) is connected to the neutralization pipe (29), the neutralization pipe (29) is rotatably connected with the threaded guide rod (31), and the front end of the threaded guide rod (31) is equipped with the second motor (30).

5. The preparation device of an optical grade sodium fluoride product according to claim 4, characterized in that: The second guiding transmission structure (4) comprises a second connecting control tube (32), a third motor (33), a second toothed disc (34), a second protective base (35), a third toothed disc (36), a mounting side frame block (37), a fourth toothed disc (38) and a matching bearing seat (39); the front end of the second connecting control tube (32) is connected to a second sealing disc seat (43); the upper end of the second sealing disc seat (43) is installed with a third motor (33); the third motor (33) controls the matching center disc (42) to rotate; the side end of the matching center disc (42) is fixedly connected with a transmission guide toothed disc (41); the side end of the second sealing disc seat (43) is connected to a second docking guide tube (40); the lower end of the second sealing disc seat (43) rotates through the second protective base (35); the third motor (33) can also control the rotation of the second toothed disc (34) through the output shaft; the second toothed disc (34) rotates at the lower end of the second protective base (35) through a bearing.

6. The device for preparing an optical grade sodium fluoride product according to claim 5, characterized in that: The side end of the second toothed disc (34) is meshingly connected to the third toothed disc (36), the side end of the third toothed disc (36) is fixedly connected to the fourth toothed disc (38), the side end of the fourth toothed disc (38) is fixedly connected to a matching bearing seat (39), and the matching bearing seat (39) rotates on the mounting side frame block (37) through a bearing.

7. The device for preparing an optical grade sodium fluoride product according to claim 6, characterized in that: The second connecting control tube (32) is connected to introduce liquid through the second sealing disk seat (43), and the transmission guide toothed disk (41) and the rotation of the coordinated center disk (42) control the transmission of liquid to the second docking guide tube (40), and the second docking guide tube (40) is connected to the side end of the neutralization tube (29).

8. The device for preparing an optical grade sodium fluoride product according to claim 7, characterized in that: The upper end of the matching bearing seat (39) is meshedly connected with a toothed belt (3), and the toothed belt (3) is also meshedly connected with the first toothed disc (20), thereby controlling the filter (17) to be rotatably connected in the sealing disc block (16).

9. The device for preparing an optical grade sodium fluoride product according to claim 8, characterized in that: The rear end of the sealing disk block (16) is connected to the docking discharge pipe (25), the docking branch pipe (27) is connected to the storage and dispensing seat (23), the docking branch pipe (27) is connected to the neutralization pipe (29) through the conduction pump (28), the side end of the first docking guide pipe (11) is connected to the neutralization pipe (29), and the neutralization pipe (29) is supported and fixed by a fixed frame (26).

10. A process for preparing an optical grade sodium fluoride product, using the device for preparing an optical grade sodium fluoride product according to claim 9, characterized in that: The following steps are involved: S1, feeding reaction: first add hydrofluoric acid to the storage and batching seat, and then add caustic soda to make it fully react; S2, filtration treatment: filtering the solution obtained by the above reaction to remove residual impurities in the solution; S3, drying treatment: the filtrate is transferred to a storage device and dried to obtain sodium fluoride.

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