Purification device for anhydrous aluminum fluoride production

Abstract

The utility model discloses a purification device for anhydrous aluminum fluoride production, which relates to the technical field of anhydrous aluminum fluoride production and comprises a reaction kettle, a sliding chute is rotatably mounted in the reaction kettle, a sliding block is slidably mounted in the sliding chute, a stirring rod is rotatably inserted in the sliding block, and a second gear is fixedly mounted in the middle of the stirring rod. The reaction kettle comprises a reaction kettle body and a stirring rod, a sliding groove is formed in the reaction kettle body, a toothed plate is fixedly installed on one side of the interior of the sliding groove, a worm gear is fixedly installed at the top end of the sliding groove, a worm is rotatably installed in the reaction kettle body and meshed with the worm gear, and a forward and reverse motor is fixedly installed on one side of the reaction kettle body. Meanwhile, the sliding block drives the stirring rod to ascend and descend in the sliding groove, and a second gear in the middle of the stirring rod is meshed with a toothed plate in the sliding groove to drive the stirring rod to rotate, so that materials in the reaction kettle can be fully mixed and stirred by the stirring rod, and the materials are thoroughly contacted and fully react.

Description

Technical Field

[0001] The utility model relates to the technical field of anhydrous aluminum fluoride production, in particular to a purification device for anhydrous aluminum fluoride production. Background Art

[0002] The design and working principle of anhydrous aluminum fluoride purification equipment usually involve the preparation, purification and reaction of hydrogen fluoride with aluminum hydroxide. In the production of anhydrous aluminum fluoride, crude hydrogen fluoride gas must first be prepared through a chemical reaction. Then, impurities in the gas are removed through condensation, distillation and other steps to obtain high-purity hydrogen fluoride. Finally, the high-purity hydrogen fluoride reacts with aluminum hydroxide to produce anhydrous aluminum fluoride.

[0003] In some existing purification devices for the production of anhydrous aluminum fluoride, the reaction devices may cause incomplete mixing of different materials during the mixing reaction, thereby resulting in incomplete chemical reaction and material waste. In response to the above problems, the inventors have proposed a purification device for the production of anhydrous aluminum fluoride to solve the above problems. Utility Model Content

[0004] In order to solve the problem that the reaction devices in some existing purification devices for the production of anhydrous aluminum fluoride are prone to incomplete mixing of different materials during the mixing reaction of materials, thereby resulting in incomplete chemical reaction and waste of materials; the purpose of the present utility model is to provide a purification device for the production of anhydrous aluminum fluoride.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions: a purification device for the production of anhydrous aluminum fluoride, comprising a reactor, a slide rotatably installed in the reactor, a slider slidably installed in the slide, a stirring rod rotatably inserted in the slider, a second gear fixedly installed in the middle of the stirring rod, a tooth plate fixedly installed on one side of the inner part of the slide, and the second gear is meshed with the tooth plate, a worm gear is fixedly installed on the top of the slide, a worm is rotatably installed in the reactor, and the worm is meshed with the worm gear, a forward and reverse motor is fixedly installed on one side of the reactor, and the output end of the forward and reverse motor is fixedly connected to one end of the worm gear.

[0006] Preferably, scrapers are fixedly installed on both sides of the chute, and the scrapers are in contact with the inner wall of the reactor. Lifting blocks are slidably installed on the side where the two scrapers are close to each other, and both ends of the stirring rod are rotatably connected to the corresponding lifting blocks.

[0007] Preferably, a threaded rod is rotatably installed on the side where the two scrapers are close to each other, and the threaded rod is threadedly inserted into the corresponding lifting block. A gear ring is fixedly installed on the top of the inner top of the reactor, and a first gear is fixedly installed on the top of the two threaded rods, and the first gear is engaged with the gear ring.

[0008] Preferably, an exhaust pipe and a discharge valve are fixedly installed at the upper and lower ends of the reactor, and the exhaust pipe and the discharge valve are both connected to the interior of the reactor. A feed valve is fixedly installed on one side of the top of the reactor, and the feed valve is connected to the interior of the reactor. An electric heating wire is fixedly installed in the wall panel of the reactor, and a power cord is fixedly installed at one end of the electric heating wire.

[0009] Compared with the prior art, the beneficial effects of the present invention are:

[0010] 1. In the present invention, a forward and reverse motor is used to drive the worm to rotate, the worm drives the worm wheel to rotate, the worm wheel drives the chute and the stirring rod to rotate, and at the same time, the slider drives the stirring rod to rise and fall in the chute, and the second gear in the middle of the stirring rod engages with the tooth plate in the chute, driving the stirring rod to rotate, so that the stirring rod can fully mix and stir the materials in the reactor, so that the materials are thoroughly contacted and fully reacted;

[0011] 2. In the present invention, when the chute rotates, the scraper is driven to make a circular motion along the inner wall of the reactor, thereby scraping off the material adhering to the inner wall of the reactor. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0013] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the cross-sectional structure of the reactor of the utility model;

[0015] Figure 3 This is a schematic diagram of the cross-sectional structure of the chute and slider of the utility model;

[0016] Figure 4 For this utility model Figure 3 A schematic diagram of the structure at center A;

[0017] Figure 5 This is a schematic diagram of the process flow of the anhydrous aluminum fluoride purification device of the utility model.

[0018] In the figure: 1. Reactor; 2. Exhaust pipe; 3. Feed valve; 4. Discharge valve; 5. Power cord; 6. Forward and reverse motor; 7. Electric heating wire; 8. Gear ring; 9. Scraper; 10. Slide; 11. Stirring rod; 12. Threaded rod; 13. First gear; 14. Lifting block; 15. Worm; 16. Worm wheel; 17. Gear plate; 18. Slider; 19. Second gear. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] Example: Figure 1-5 As shown, the utility model provides a purification device for the production of anhydrous aluminum fluoride, including a reactor 1, a chute 10 is rotatably installed in the reactor 1, a slider 18 is slidably installed in the chute 10, a stirring rod 11 is rotatably inserted in the slider 18, a second gear 19 is fixedly installed in the middle of the stirring rod 11, a tooth plate 17 is fixedly installed on one side of the inner side of the chute 10, and the second gear 19 is meshed with the tooth plate 17, a worm gear 16 is fixedly installed on the top of the chute 10, a worm 15 is rotatably installed in the reactor 1, and the worm 15 is meshed with the worm gear 16, a forward and reverse motor 6 is fixedly installed on one side of the reactor 1, and the output end of the forward and reverse motor 6 is fixedly connected to one end of the worm gear 15, the key components of the purification device for the production of anhydrous aluminum fluoride include a reaction device, a condensing device, a distillation device, a washing device, etc. First, sulfuric acid and fluorite powder are put into the reactor 1, and the forward and reverse motors 6 are fixedly connected to the output end of the forward and reverse motors 6. The counter motor 6 drives the worm 15 to rotate, the worm 15 drives the worm gear 16 to rotate, the worm gear 16 drives the chute 10 and the stirring rod 11 to rotate, and at the same time the slider 18 drives the stirring rod 11 to rise and fall in the chute 10, and the second gear 19 in the middle of the stirring rod 11 engages with the tooth plate 17 in the chute 10, driving the stirring rod 11 to rotate, so that the stirring rod 11 can fully mix and stir the materials in the reactor 1, so that the materials are thoroughly contacted and fully reacted. Sulfuric acid and fluorite react at high temperature to generate hydrogen fluoride gas, which is then condensed into liquid in the condenser. The distillation tower is used to further purify hydrogen fluoride. By controlling the temperature of the tower bottom and the tower top, components with different boiling points can be effectively separated. The washing device is used to remove dust and other impurities in the gas to obtain high-purity hydrogen fluoride. Finally, the high-purity hydrogen fluoride reacts with aluminum hydroxide to generate anhydrous aluminum fluoride.

[0021] Scrapers 9 are fixedly installed on both sides of the chute 10 , and the scrapers 9 are in contact with the inner wall of the reactor 1 .

[0022] By adopting the above technical solution, the chute 10 rotates and drives the scraper 9 to perform a circular motion along the inner wall of the reactor 1, thereby scraping off the material adhering to the inner wall of the reactor 1.

[0023] A lifting block 14 is slidably mounted on one side of the two scrapers 9 that are close to each other, and both ends of the stirring rod 11 are rotatably connected to the corresponding lifting block 14 .

[0024] By adopting the above technical solution, the lifting block 14 drives the stirring rod 11 and the sliding block 18 to move up and down and slide in the sliding groove 10.

[0025] A threaded rod 12 is rotatably mounted on one side of the two scrapers 9 that are close to each other, and the threaded rod 12 is threadedly inserted into the corresponding lifting block 14.

[0026] By adopting the above technical solution, the scraper 9 rotates and drives the threaded rod 12 to rotate synchronously.

[0027] A gear ring 8 is fixedly mounted on the top of the interior of the reactor 1 , and a first gear 13 is fixedly mounted on the top of each of the two threaded rods 12 , and the first gear 13 is meshed with the gear ring 8 .

[0028] By adopting the above technical solution, when the scraper 9 rotates, the threaded rod 12 and the first gear 13 are driven to rotate synchronously. The first gear 13 engages with the gear ring 8, driving the threaded rod 12 to rotate, and the threaded rod 12 drives the lifting block 14 to slide and rise and fall along the scraper 9.

[0029] An exhaust pipe 2 and a discharge valve 4 are fixedly installed at the upper and lower ends of the reactor 1 , respectively, and both the exhaust pipe 2 and the discharge valve 4 are communicated with the interior of the reactor 1 .

[0030] By adopting the above technical solution, the reactor 1 is connected to the condenser through the exhaust pipe 2. The gas generated by the reaction of the materials in the reactor 1 is transported to the condenser through the exhaust pipe 2 and condensed into liquid. The reacted material is discharged through the discharge valve 4.

[0031] A feed valve 3 is fixedly installed on one side of the top of the reactor 1 , and the feed valve 3 is communicated with the interior of the reactor 1 .

[0032] By adopting the above technical solution, the material is transported into the reactor 1 through the feed valve 3 .

[0033] An electric heating wire 7 is fixedly installed in the wall panel of the reactor 1 , and a power line 5 is fixedly installed at one end of the electric heating wire 7 .

[0034] By adopting the above technical solution, the power line 5 is connected to the power source to energize the electric heating wire 7, and the electric heating wire 7 is used to heat the material in the reactor 1.

[0035] Working principle: When the present invention is in use, sulfuric acid and fluorite powder are first put into the reactor 1 through the feed valve 3, and the forward and reverse motor 6 is used to drive the worm 15 to rotate, and the worm 15 drives the worm gear 16 to rotate, and the worm gear 16 drives the chute 10 and the stirring rod 11 to rotate. When the chute 10 rotates, the scraper 9 is driven to make a circular motion along the inner wall of the reactor 1, thereby scraping off the material adhering to the inner wall of the reactor 1, and when the scraper 9 rotates, the threaded rod 12 and the first gear 13 are driven to rotate synchronously, and the first gear 13 is engaged with the gear ring 8, driving the threaded rod 12 to rotate, and the threaded rod 12 drives the lifting block 14 to slide and rise along the scraper 9, and the lifting block 14 drives the stirring rod 11 and the slider 18 to rise and fall in the chute 10, and at the same time, the second gear 19 in the middle of the stirring rod 11 is engaged with the tooth plate 17 in the chute 10, driving the stirring rod 11 to rotate, so that the stirring rod 11 can fully mix and stir the materials in the reactor 1, so that the materials are thoroughly contacted and fully reacted.

[0036] Obviously, those skilled in the art may make various modifications and variations to the present invention without departing from the spirit and scope of the present invention. Thus, if such modifications and variations fall within the scope of the claims of the present invention and their equivalents, the present invention is intended to include such modifications and variations.

Claims

1. A purification device for producing anhydrous aluminum fluoride, comprising a reaction kettle (1), characterized in that: A chute (10) is rotatably mounted in the reactor (1), a slider (18) is slidably mounted in the chute (10), a stirring rod (11) is rotatably inserted in the slider (18), a second gear (19) is fixedly mounted in the middle of the stirring rod (11), a tooth plate (17) is fixedly mounted on one side of the interior of the chute (10), and the second gear (19) is meshed with the tooth plate (17), a worm gear (16) is fixedly mounted on the top of the chute (10), a worm (15) is rotatably mounted in the reactor (1), and the worm gear (15) is meshed with the worm gear (16), a forward and reverse motor (6) is fixedly mounted on one side of the reactor (1), and an output end of the forward and reverse motor (6) is fixedly connected to one end of the worm gear (15).

2. A purification device for producing anhydrous aluminum fluoride according to claim 1, characterized in that: Scrapers (9) are fixedly installed on both sides of the chute (10), and the scrapers (9) are in contact with the inner wall of the reactor (1).

3. A purification device for producing anhydrous aluminum fluoride according to claim 2, characterized in that: A lifting block (14) is slidably mounted on one side of the two scrapers (9) close to each other, and both ends of the stirring rod (11) are rotatably connected to the corresponding lifting block (14).

4. A purification device for producing anhydrous aluminum fluoride according to claim 2, characterized in that: A threaded rod (12) is rotatably mounted on one side of the two scrapers (9) that are close to each other, and the threaded rod (12) is threadedly inserted into the corresponding lifting block (14).

5. A purification device for producing anhydrous aluminum fluoride according to claim 4, characterized in that: A gear ring (8) is fixedly mounted on the inner top of the reactor (1), and a first gear (13) is fixedly mounted on the tops of the two threaded rods (12), and the first gear (13) is meshed with the gear ring (8).

6. A purification device for producing anhydrous aluminum fluoride according to claim 1, characterized in that: An exhaust pipe (2) and a discharge valve (4) are fixedly installed at the upper and lower ends of the reactor (1), respectively, and both the exhaust pipe (2) and the discharge valve (4) are in communication with the interior of the reactor (1).

7. A purification device for producing anhydrous aluminum fluoride according to claim 1, characterized in that: A feed valve (3) is fixedly installed on one side of the top end of the reactor (1), and the feed valve (3) is communicated with the interior of the reactor (1).

8. A purification device for producing anhydrous aluminum fluoride according to claim 1, characterized in that: An electric heating wire (7) is fixedly installed in the wall panel of the reactor (1), and a power line (5) is fixedly installed at one end of the electric heating wire (7).

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