Crystallization device for producing calcium fluoride

Abstract

The utility model relates to the technical field of calcium fluoride production, and discloses a crystallization device for producing calcium fluoride, which comprises a crystallization barrel, a circle of heating plate is fixedly mounted on the inner side wall of the crystallization barrel, and the inner bottom wall of the crystallization barrel is fixedly connected with a reaction barrel. The surface of the reaction barrel is attached to the inner wall of the heating plate, connecting plates are fixedly connected to the two side faces of the crystallization barrel, a threaded rod is rotationally connected to the upper surface of one connecting plate, a threaded sleeve sleeves the surface of the threaded rod in a threaded mode, a sliding rod is fixedly connected to the upper surface of the other connecting plate, and the sliding rod is in threaded connection with the threaded sleeve. When the device is used, raw materials in the device can react more quickly and thoroughly, meanwhile, the raw materials are evaporated and crystallized more quickly, crystals adhered to the inner wall can be scraped off, the crystals are discharged more thoroughly, and waste is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of calcium fluoride production, in particular to a crystallization device for producing calcium fluoride. Background Art

[0002] Calcium fluoride is an inorganic compound with the chemical formula of CaF2. It is a colorless crystal or white powder. It is insoluble in water, slightly soluble in inorganic acid, and reacts with hot concentrated sulfuric acid to generate hydrofluoric acid. A crystallization device is required in the production process of calcium fluoride.

[0003] When a commonly used crystallization device is in use, the liquid flows slowly inside the crystallization device, so the crystallization speed of the liquid in the crystallization device is relatively slow, and the existing equipment may also lack measures or solutions to clean the crystals on the inner wall of the crystallization device while accelerating the flow speed of the liquid. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a crystallization device for producing calcium fluoride, which solves the problem that the flow rate of liquid inside the crystallization device is relatively slow, and the crystallization rate of the liquid in the crystallization device is relatively slow, while the existing equipment may also lack measures or solutions for cleaning the crystals on the inner wall of the crystallization device while accelerating the flow rate of the liquid.

[0005] The utility model provides the following technical solution: a crystallization device for producing calcium fluoride, comprising a crystallization barrel, wherein a circle of heating plates are fixedly installed on the inner side wall of the crystallization barrel, the inner bottom wall of the crystallization barrel is fixedly connected to a reaction barrel, the surface of the reaction barrel is in contact with the inner wall of the heating plate, and connecting plates are fixedly connected to both sides of the crystallization barrel, wherein a threaded rod is rotatably connected to the upper surface of one of the connecting plates, a threaded sleeve is threadedly sleeved on the surface of the threaded rod, and a sliding rod is fixedly connected to the upper surface of the other connecting plate, a sliding sleeve is slidably sleeved on the surface of the sliding rod, and the sliding sleeve is fixedly sleeved between the sliding sleeve and the threaded sleeve. A sealing cover is connected, a sealing gasket is fixedly connected to the lower surface of the sealing cover, a groove is opened on the lower surface of the sealing gasket, the groove extends to the interior of the sealing cover, a first motor is fixedly connected to the inner top wall of the groove, a stirring rod is fixedly connected to the output end of the first motor, two rows of stirring rods are fixedly connected to the surface of the stirring rod, one end of the two rows of stirring rods are respectively fixedly connected to a scraper, the scraper is attached to the inner wall of the reaction barrel, the bottom of the reaction barrel is connected to a discharge pipe, the discharge pipe extends to the outside of the crystallization barrel and is provided with a control valve, and the surface of the crystallization barrel is connected to an exhaust pipe.

[0006] Preferred technical solution 1: A circle of material introduction inclined plate is fixedly connected to the inner bottom wall of the reaction barrel, and two scraper plates matching the material introduction inclined plate are fixedly connected to the surface of the stirring rod.

[0007] This solution can facilitate the drainage of calcium fluoride crystals into the discharge pipe for discharge, and at the same time facilitate the scraping and discharge of crystals adhering to the feed inclined plate.

[0008] Preferred technical solution 2: A plurality of through holes are provided on the surface of each stirring rod.

[0009] This solution can achieve better stirring and mixing effects on the solution.

[0010] Preferred technical solution three: A second motor is fixedly connected to the lower surface of one of the connecting plates, and an output end of the second motor passes through the connected connecting plate and is fixedly connected to the threaded rod.

[0011] This solution can automatically drive the sealing cover to move up and down through the rotation of the second motor, which is easy to use.

[0012] Preferred technical solution four: four support columns are fixedly connected to the lower surface of the crystallization barrel, and a non-slip pad is fixedly connected to the bottom end of each support column.

[0013] This solution can facilitate the support of the device and the discharge and collection of calcium fluoride crystals.

[0014] Preferred technical solution five: A controller is installed on the surface of the crystallization barrel, and the first motor, the second motor and the heating plate are electrically connected to the controller.

[0015] This solution can facilitate the control of various components and facilitate operation.

[0016] Compared with the prior art, the utility model provides a crystallization device for producing calcium fluoride, which has the following beneficial effects: when in use, the threaded rod is driven to rotate by the rotation of the second motor, thereby driving the sealing cover to move upward, and then the raw materials for producing calcium fluoride can be added to the interior of the reaction barrel, and then the sealing cover is driven to seal the crystallization barrel by the reverse rotation of the second motor, and then the raw materials react inside the reaction barrel. During the reaction, the stirring rod and the stirring rod are driven by the rotation of the first motor to stir the raw materials, so that the mixing is more uniform and the reaction is faster and more thorough. When the reaction is completed, the surface of the reaction barrel is heated by controlling the heating plate to evaporate and crystallize the solution inside. During the heating and crystallization process, the raw materials are stirred by the stirring rod and the stirring rod, so that the heating speed is faster and more uniform. After heating, the solution gradually evaporates, and calcium fluoride crystals begin to appear inside. The crystals adhering to the inner wall of the reaction barrel can be scraped off by the scraper and flow into the discharge pipe through the feed ramp. At the same time, the crystals on the feed ramp can be scraped off by the scraper. When the solution is evaporated, the crystals can be discharged through the discharge pipe. When it is necessary to remove the crystals adhering to the stirring rod, the stirring rod and the scraper, the sealing cover is driven to rise by the rotation of the second motor, so that the stirring rod, the stirring rod and the scraper are moved to the outside of the crystallization barrel, and some crystals adhering to the surface can be removed, which is convenient for use. When in use, the device can make the internal raw materials react faster and more thoroughly, and at the same time make the raw materials evaporate and crystallize faster, and can scrape off the crystals adhering to the inner wall, so that they can be discharged more thoroughly to avoid waste. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 It is a structural sectional view of the utility model;

[0019] Figure 3 It is a schematic diagram of the structure of the material guiding inclined plate and the material scraping plate of the utility model.

[0020] In the figure: 1. crystallization barrel; 2. heating plate; 3. reaction barrel; 4. connecting plate; 5. threaded rod; 6. threaded sleeve; 7. sliding rod; 8. sliding sleeve; 9. sealing cover; 10. sealing gasket; 11. groove; 12. first motor; 13. stirring rod; 14. stirring rod; 15. scraper; 16. material guide inclined plate; 17. scraper plate; 18. second motor; 19. support column; 20. controller; 21. discharge pipe. DETAILED DESCRIPTION

[0021] See also Figure 1-3 ,

[0022] Embodiment 1: A crystallization device for producing calcium fluoride, comprising a crystallization barrel 1, a heating plate 2 is fixedly installed on the inner side wall of the crystallization barrel 1, the inner bottom wall of the crystallization barrel 1 is fixedly connected to the reaction barrel 3, the surface of the reaction barrel 3 is in contact with the inner wall of the heating plate 2, and the two sides of the crystallization barrel 1 are fixedly connected to connecting plates 4, the upper surface of one connecting plate 4 is rotatably connected to a threaded rod 5, the surface of the threaded rod 5 is threadedly sleeved with a threaded sleeve 6, the upper surface of the other connecting plate 4 is fixedly connected to a sliding rod 7, the surface of the sliding rod 7 is slidably sleeved with a sliding sleeve 8, a sealing cover 9 is fixedly connected between the sliding sleeve 8 and the threaded sleeve 6, and the sealing cover 9 is fixedly connected to the lower surface of the sealing gasket 10, and a groove 11 is opened on the lower surface of the sealing gasket 10, and the groove 11 extends to the inside of the sealing cover 9, and the inner top wall of the groove 11 is fixedly connected to the first motor 12, and the output end of the first motor 12 is fixedly connected to the stirring rod 13, and the surface of the stirring rod 13 is fixedly connected to two rows of stirring rods 14, and one end of the two rows of stirring rods 14 is respectively fixedly connected to a scraper 15, and the scraper 15 is attached to the inner wall of the reaction barrel 3, and the bottom of the reaction barrel 3 is connected to a discharge pipe 21, which extends to the outside of the crystallization barrel 1 and is provided with a control valve, and the surface of the crystallization barrel 1 is connected to an exhaust pipe.

[0023] Embodiment 2: The difference between this embodiment and embodiment 1 is that, a circle of material introduction inclined plate 16 is fixedly connected to the inner bottom wall of the reaction barrel 3, and two scraper plates 17 matching the material introduction inclined plate 16 are fixedly connected to the surface of the stirring rod 14, so as to facilitate the drainage of calcium fluoride crystals into the discharge pipe 21 for discharge, and at the same time facilitate the scraping and discharge of crystals adhering to the material introduction inclined plate 16.

[0024] Embodiment 3: The difference between this embodiment and embodiment 1 is that a plurality of through holes are provided on the surface of each stirring rod 14, which has a better effect on stirring and mixing the solution.

[0025] Embodiment 4: The difference between this embodiment and embodiment 1 is that a second motor 18 is fixedly connected to the lower surface of one of the connecting plates 4, and the output end of the second motor 18 passes through the connected connecting plate 4 and is fixedly connected to the threaded rod 5. The sealing cover 9 is automatically driven to move up and down by the rotation of the second motor 18, which is convenient for use.

[0026] Embodiment 5: The difference between this embodiment and embodiment 1 is that four support columns 19 are fixedly connected to the lower surface of the crystallization barrel 1, and the bottom end of each support column 19 is fixedly connected to an anti-slip pad, which is convenient for supporting the device and facilitating the discharge and collection of calcium fluoride crystals.

[0027] Embodiment 6: The difference between this embodiment and embodiment 1 is that a controller 20 is installed on the surface of the crystallization barrel 1, and the first motor 12, the second motor 18 and the heating plate 2 are all electrically connected to the controller 20, so as to facilitate the control of each component and facilitate operation.

[0028] In summary, when the crystallization device for producing calcium fluoride is used, the threaded rod 5 is driven to rotate by the rotation of the second motor 18, thereby driving the sealing cover 9 to move upward, and then the raw materials for producing calcium fluoride can be added to the interior of the reaction barrel 3, and then the sealing cover 9 is driven to seal the crystallization barrel 1 by the reverse rotation of the second motor 18, and then the raw materials react inside the reaction barrel. During the reaction, the stirring rod 13 and the stirring rod 14 are driven by the rotation of the first motor 12 to stir the raw materials, so that the mixing is more uniform and the reaction is faster and more thorough. When the reaction is completed, the surface of the reaction barrel 3 is heated by controlling the heating plate 2 to evaporate and crystallize the solution inside. During the heating and crystallization process, the raw materials are stirred by the stirring rod 13 and the stirring rod 14, so that the heating speed is faster and more uniform. After heating, the solution gradually evaporates and the inside Calcium fluoride crystals begin to appear. The scraper 15 can scrape off the crystals adhering to the inner wall of the reaction barrel 3 and flow into the discharge pipe 21 through the feed ramp 16. At the same time, the scraper 17 can scrape off the crystals on the feed ramp 16. When the solution is evaporated, the crystals can be discharged through the discharge pipe 21. When it is necessary to remove the crystals adhering to the stirring rod 13, the stirring rod 14 and the scraper 15, the sealing cover 9 is driven to rise by the rotation of the second motor 18, so that the stirring rod 13, the stirring rod 14 and the scraper 15 are moved to the outside of the crystallization barrel 1, and some of the crystals adhering to the surface can be removed, which is convenient for use. When used, the device can make the internal raw materials react more quickly and thoroughly, and at the same time make the raw materials evaporate and crystallize more quickly, and can scrape off the crystals adhering to the inner wall, so that they can be discharged more thoroughly to avoid waste.

Claims

1. A crystallization device for producing calcium fluoride, comprising a crystallization barrel (1), characterized in that: A circle of heating plates (2) is fixedly installed on the inner side wall of the crystallization barrel (1); the inner bottom wall of the crystallization barrel (1) is fixedly connected to the reaction barrel (3); the surface of the reaction barrel (3) is in contact with the inner wall of the heating plate (2); both sides of the crystallization barrel (1) are fixedly connected to connecting plates (4); the upper surface of one of the connecting plates (4) is rotatably connected to a threaded rod (5); the surface of the threaded rod (5) is threadedly sleeved with a threaded sleeve (6); the upper surface of the other connecting plate (4) is fixedly connected to a sliding rod (7); the surface of the sliding rod (7) is slidably sleeved with a sliding sleeve (8); a sealing cover (9) is fixedly connected between the sliding sleeve (8) and the threaded sleeve (6); the lower surface of the sealing cover (9) is fixedly connected to a sealing gasket (10), a groove (11) is provided on the lower surface of the sealing gasket (10), the groove (11) extends to the interior of the sealing cover (9), the inner top wall of the groove (11) is fixedly connected to a first motor (12), the output end of the first motor (12) is fixedly connected to a stirring rod (13), the surface of the stirring rod (13) is fixedly connected to two rows of stirring rods (14), one end of the two rows of stirring rods (14) is respectively fixedly connected to a scraper (15), the scraper (15) is in contact with the inner wall of the reaction barrel (3), the bottom of the reaction barrel (3) is connected to a discharge pipe (21), the discharge pipe (21) extends to the outside of the crystallization barrel (1) and is provided with a control valve, and the surface of the crystallization barrel (1) is connected to an exhaust pipe.

2. A crystallization device for producing calcium fluoride according to claim 1, characterized in that: The inner bottom wall of the reaction barrel (3) is fixedly connected with a circle of material introduction inclined plate (16), and the surface of the stirring rod (14) is fixedly connected with two scraper plates (17) matching the material introduction inclined plate (16).

3. A crystallization device for producing calcium fluoride according to claim 1, characterized in that: A plurality of through holes are formed on the surface of each stirring rod (14).

4. A crystallization device for producing calcium fluoride according to claim 1, characterized in that: A second motor (18) is fixedly connected to the lower surface of one of the connecting plates (4), and an output end of the second motor (18) passes through the connected connecting plate (4) and is fixedly connected to the threaded rod (5).

5. A crystallization device for producing calcium fluoride according to claim 1, characterized in that: Four support columns (19) are fixedly connected to the lower surface of the crystallization barrel (1), and a non-slip pad is fixedly connected to the bottom end of each support column (19).

6. A crystallization device for producing calcium fluoride according to claim 4, characterized in that: A controller (20) is installed on the surface of the crystallization barrel (1), and the first motor (12), the second motor (18) and the heating plate (2) are all electrically connected to the controller (20).

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