Crystallization visual temperature control device

By using image acquisition technology and thermostat in the crystallization device, the crystallization process is monitored and adjusted in real time, the problem that the prior art cannot accurately adjust the crystallization conditions is solved, and the crystallization efficiency and quality are improved.

CN222788489UActive Publication Date: 2025-04-25NORTHEASTERN UNIV CHINA
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Patent Information

Application Number
CN202421384935.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-18
Publication Date
2025-04-25
Estimated Expiration
2034-06-18

AI Technical Summary

Technical Problem

Existing crystallization devices cannot monitor the crystallization process in real time, resulting in the inability to accurately adjust the crystallization conditions, affecting the crystallization efficiency and quality.

Method used

Image acquisition technology is used to monitor the crystallization process, and the temperature of the crystallization device is controlled by the thermostat to achieve real-time adjustment of the crystallization process parameters.

Benefits of technology

By monitoring the crystallization situation in real time, the crystallization process can be better regulated and the crystallization efficiency and quality can be improved.

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Abstract

The utility model belongs to the technical field of industrial production, and particularly relates to a crystallization visual temperature control device which comprises a constant-temperature crystallizer, a temperature controller and a picture acquisition device, the temperature controller is connected with the constant-temperature crystallizer, the temperature controller comprises a water circulation temperature control system and a temperature detector, and the picture acquisition device is connected with the water circulation temperature control system. The water circulation temperature control system and the temperature detector are both connected with the constant-temperature crystallizer; and the picture acquisition device is mounted above the constant-temperature crystallizer through a mounting assembly. According to the utility model, the orientation-adjustable image acquisition device is used for monitoring the crystallization process, so that the conditions of product crystal morphology, particle size distribution, thermal stability, crystal growth rate and the like can be monitored in real time, the crystallization process parameters are convenient to adjust, and the product quality and yield are improved; meanwhile, the temperature of the crystallization device is regulated and controlled through the temperature controller, and the crystallization efficiency and quality can be better improved through combination of the two. The temperature between the crystallization barrel and the heat preservation barrel is set to be consistent, heat is not exchanged, and stable crystallization is facilitated.
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Description

Technical Field

[0001] The utility model belongs to the technical field of industrial production, and in particular relates to a crystallization visual temperature control device. Background Art

[0002] Crystallization plays an extremely important role in industrial production such as pharmaceuticals and chemicals. Through crystallization operations, high-purity, high-quality products can be purified, separated, and refined. In the drug production process, the crystal form and crystal morphology of the drug will affect the drug solubility, bioavailability, and stability, etc., which will affect the efficacy of the drug. In the preparation of explosives, the crystallization process of explosives is the core link in the manufacture of explosives, and plays a vital role in improving the performance and safety of explosives.

[0003] Temperature is a crucial factor affecting the crystallization process. The temperature affects the crystallization time of the product, especially the purification and separation reactions, which need to be carried out at a specific temperature. In addition, temperature also affects the properties and structure of the crystal, including the size, shape, crystal form, crystal density and refractive index of the crystal particles.

[0004] A Chinese patent with announcement number CN117443010B discloses a crystallization device, including a holding platform, one side of the holding platform is movably connected with a raw material injection component, a crystallization processing component is fixedly installed inside the holding platform, and the top of the crystallization processing component is rotatably connected with a transmission component; the crystallization processing component includes a bearing base, a gathering plate and a movable plate, the upper surface of the bearing base is fixed with a limiting convex strip, the bottom of the gathering plate is overlapped on the upper surface of the bearing base, the movable plate is located on one side of the gathering plate, a vertical rod is fixedly installed on the top of the movable plate, a fixed bracket is fixedly installed on one side of the bearing base, a guide rod is fixedly installed on one end of the fixed bracket, a hollow rod is sleeved on the outer wall of the guide rod, a heating component is fixedly installed on the outer wall of the hollow rod, one end of the hollow rod is fixedly connected to an extension frame, and the extension frame is slidably connected to the inner wall of the gathering plate.

[0005] However, the above-mentioned device cannot reflect the real-time crystallization situation of the product, and thus cannot accurately adjust the crystallization conditions of the crystallization device, which can easily affect the crystallization efficiency and quality. Therefore, providing a device that can better regulate the crystallization situation in the crystallizer is crucial to improving the crystallization efficiency and quality. Utility Model Content

[0006] In view of the shortcomings of the prior art, the utility model provides a crystallization visual temperature control device, which uses image acquisition technology to monitor the crystallization process. It can monitor the product crystal morphology, particle size distribution, thermal stability and crystal growth rate in real time, providing a basis for adjusting crystallization process parameters and improving product quality and output. At the same time, the temperature of the crystallization device is controlled by a temperature controller. The combination of the two can better improve the crystallization efficiency and quality.

[0007] The utility model provides a crystallization visual temperature control device, which adopts the following technical solutions:

[0008] A crystallization visual temperature control device comprises a frame, a constant temperature crystallizer, a temperature controller, and a picture acquisition device. The frame is arranged in an "L"-shaped structure. The constant temperature crystallizer is installed on the frame. The temperature controller is connected to the constant temperature crystallizer. The temperature controller comprises a water circulation temperature control system and a temperature detector. Both the water circulation temperature control system and the temperature detector are connected to the constant temperature crystallizer. The picture acquisition device is installed above the constant temperature crystallizer through an installation component.

[0009] Preferably, the constant temperature crystallizer comprises a heat preservation barrel and a crystallization barrel installed in the heat preservation barrel, the temperature detectors are installed in the heat preservation barrel and the crystallization barrel, and the heat preservation barrel and the crystallization barrel are connected to the water circulation temperature control system.

[0010] Preferably, the heat preservation barrel includes a first inner tank, a first outer tank located outside the first inner tank, and a first water inlet tank located below the first inner tank, a first water inlet pipe is connected to the tank wall of the first water inlet tank, a connecting hole is connected between the top wall of the first water inlet tank and the bottom wall of the first inner tank, a first overflow hole is arranged on the vertical tank wall of the first inner tank, and a first water outlet pipe is arranged on the tank wall of the first outer tank.

[0011] Preferably, the water circulation temperature control system includes a first return pipe and a first heating pipe, the first return pipe is connected to the first water outlet pipe, the first heating pipe is connected to the first water inlet pipe, and a first heater is connected between the first heating pipe and the first return pipe.

[0012] Preferably, the crystallization barrel is installed in the first inner tank, and the crystallization barrel includes a second inner tank, a second outer tank located outside the second inner tank, and a second water inlet tank located below the second inner tank. A second water inlet pipe is connected to the tank wall of the second water inlet tank, a water distribution hole is connected between the top wall of the second water inlet tank and the bottom wall of the second inner tank, a second overflow hole is arranged on the vertical tank wall of the second inner tank, and a second water outlet pipe is arranged on the tank wall of the second outer tank.

[0013] Preferably, the water circulation temperature control system also includes a second return pipe and a second heating pipe, the second return pipe is connected to the second water outlet pipe, the second heating pipe and the second water inlet pipe are connected through a circulating water pump, and a second heater is connected between the second heating pipe and the second return pipe.

[0014] Preferably, the mounting assembly comprises a ball seat, a commutation ball and a positioning member, the ball seat is mounted above the constant temperature crystallizer through a frame, a ball groove is provided on the bottom wall of the ball seat, the commutation ball is inserted into the ball groove and fits with the groove wall of the ball groove, the notch of the ball groove is located on both sides of the center of the commutation ball in the vertical direction, and the image acquisition device is arranged on a fixed seat at one end of the commutation ball extending out of the ball groove;

[0015] The positioning member includes a positioning lever, the ball seat is provided with a feed groove communicated with the ball groove, the positioning lever is threadedly connected to the wall of the feed groove, and the end wall of the positioning lever is in contact with the reversing ball.

[0016] Preferably, the lower end of the reversing ball extending out of the ball groove is fixedly connected to a sliding rail, the sliding rail is horizontally arranged and has a sliding seat sliding in the horizontal direction, the sliding rail is threadedly connected to a fixed rod in the vertical direction, the fixed rod is fitted with the side wall of the sliding seat, and the fixed seat is fixedly installed on the sliding seat.

[0017] Preferably, the mounting assembly comprises a first base, a first screw, a first slider, a second base, a second screw and a second slider, the first base is fixed to the top of the frame and is arranged above the constant temperature crystallizer, the first slider is arranged on the first base for sliding in the horizontal direction, the first screw is rotatably connected to the first base and is threadedly connected to the first slider, the second base is arranged on the first slider, the second slider is arranged on the second base for sliding in the horizontal direction and is perpendicular to the sliding direction of the first slider, the second screw is rotatably connected to the second base and is threadedly connected to the second slider; a lifting base is arranged on the second slider, and a lifting slider is slidably connected to the lifting base in the vertical direction;

[0018] The lifting slider is fixedly connected to a fixed seat, and the image acquisition device is installed on the fixed seat. The lifting base is rotatably connected to an axially vertical lifting screw. The lifting screw and the lifting slider are threadedly connected. At the same time, the lifting screw is fixedly connected to a bevel gear set. A bevel gear in the bevel gear set that is away from the lifting screw is fixedly connected to a driving rod. Therefore, when the driving rod is rotated, the lifting screw rotates.

[0019] The beneficial effects of the utility model are:

[0020] 1. The utility model utilizes an image acquisition device with adjustable orientation to monitor the crystallization process, and can monitor the product crystal morphology, particle size distribution, thermal stability and crystal growth rate in real time, so as to facilitate the adjustment of crystallization process parameters and improve product quality and output.

[0021] 2. The constant temperature crystallizer of the utility model is composed of a double-layer convection circulation insulation barrel and a crystallization barrel. A water distribution hole is provided at the bottom of the second inner tank of the crystallization barrel. The water flows upward evenly and overflows to the second outer tank, reducing the temperature gradient formed from top to bottom. The water in the insulation barrel flows from the first water inlet tank to the first inner tank, and the water in the first inner tank overflows from above to the first outer tank. No gradient temperature is formed in the inner layer of the insulation barrel. The temperature of the crystallization barrel and the insulation layer solution are heated separately, but the temperature is uniform. The temperature setting between the crystallization barrel and the insulation barrel is consistent, and heat is not exchanged. No gradient temperature is formed at the bottom and sides of the crystallization barrel, which is conducive to stable crystallization. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of a crystallization visual temperature control device in Example 1 of the utility model;

[0023] Figure 2 is a cross-sectional view of the installation assembly structure in Example 1 of the utility model;

[0024] Figure 3 It is a cross-sectional view of the heat preservation barrel structure in Embodiment 1 of the present utility model;

[0025] Figure 4 It is a cross-sectional view of the crystallization barrel structure in Example 1 of the utility model;

[0026] Figure 5 is a cross-sectional view of the installation assembly structure in Example 2 of the utility model;

[0027] Wherein: 1. Constant temperature crystallizer; 11. Insulation barrel; 111. First inner tank; 112. First outer tank; 113. First water inlet tank; 114. First water inlet pipe; 115. Connecting hole; 116. First overflow hole; 117. First water outlet pipe; 12. Crystallization barrel; 121. Second inner tank; 122. Second outer tank; 123. Second water inlet tank; 124. Second water inlet pipe; 125. Water distribution hole; 126. Second overflow hole; 127. Second water outlet pipe; 13. Rack; 2. Temperature controller; 21. Water circulation temperature control system; 211. First reflux pipe; 212. First heating pipe; 213. First heater; 2 14. Second reflux pipe; 215. Second heating pipe; 216. Second heater; 22. Temperature detector; 3. Picture acquisition device; 4. Mounting assembly; 41. First base; 42. First screw; 43. First slider; 44. Second base; 45. Second screw; 46. Second slider; 47. Lifting base; 48. Lifting screw; 49. Lifting slider; 491. Driving rod; 492. Bevel gear set; 493. Fixed seat; 5. Ball seat; 51. Reversing ball; 52. Positioning piece; 53. Ball groove; 54. Positioning lever; 55. Feed groove; 56. Sliding rail; 57. Sliding seat; 58. Fixed rod. DETAILED DESCRIPTION

[0028] In order to better explain the present invention and facilitate understanding, the technical scheme and effects of the present invention are described in detail below through specific implementation modes in conjunction with the accompanying drawings.

[0029] Example 1

[0030] like Figure 1 As shown, a crystallization visual temperature control device is provided, including a frame 13, a constant temperature crystallizer 1, a temperature controller 2, and a picture acquisition device 3. The frame 13 is arranged in an "L"-shaped structure, and the constant temperature crystallizer 1 is installed on the frame 13. The picture acquisition device 3 in this embodiment is a microscope lens, and is installed above the constant temperature crystallizer 1 through a mounting component 4; the temperature controller 2 is connected to the constant temperature crystallizer 1. The temperature controller 2 in this embodiment includes a water circulation temperature control system 21 and a temperature detector 22, and the water circulation temperature control system 21 and the temperature detector 22 are both connected to the constant temperature crystallizer 1. During the operation of the constant temperature crystallizer 1, the water circulation temperature control system 21 provides the reaction temperature for the constant temperature crystallizer 1 and is responsible for temperature regulation. The temperature detector 22 detects the working temperature of the constant temperature crystallizer 1 in real time. At the same time, the picture acquisition device 3 observes the crystallization situation in the constant temperature crystallizer 1, and observes and records the crystallization process online in situ.

[0031] like Figure 1 and Figure 2As shown, the mounting assembly 4 in this embodiment is designed as a manual three-dimensional platform, which can move up and down, left and right, which is conducive to accurately fixing the lens position and adjusting the focal length. Specifically, the mounting assembly 4 includes a first base 41, a first screw 42, a first slider 43, a second base 44, a second screw 45, and a second slider 46. The first base 41 is fixed to the top of the frame 13 and is located above the constant temperature crystallizer 1. The first slider 43 is slidably arranged on the first base 41 along the horizontal direction. The first screw 42 is rotatably connected to the first base 41 and is threadedly connected to the first slider 43. The second base 44 is fixedly connected to the top wall of the first slider 43, the second slider 46 is slidingly arranged on the second base 44 in the horizontal direction and is perpendicular to the sliding direction of the first slider 43, and the second screw 45 is rotatably connected to the second base 44 and threadedly connected to the second slider 46; a lifting base 47 is fixedly connected to the top wall of the second slider 46, a lifting slider 49 is slidingly connected to the lifting base 47 in the vertical direction, a fixed seat 493 is fixedly connected to the lifting slider 49, the picture acquisition device 3 is installed on the fixed seat 493, an axially vertical lifting screw 48 is rotatably connected to the lifting base 47, the lifting screw 48 and the lifting slider 49 are threadedly connected, and at the same time, a bevel gear set 492 is fixedly connected to the lifting screw 48, and a bevel gear in the bevel gear set 492 away from the lifting screw 48 is fixedly connected to the driving rod 491, so when the driving rod 491 is rotated, the lifting screw 48 rotates. By utilizing the thread feed between the lifting screw 48 and the lifting slider 49, the thread feed between the first screw 42 and the first slider 43, and the thread feed between the second screw 45 and the second slider 46, the position of the picture acquisition device 3 can be moved up, down, left, right, forward and backward.

[0032] like Figure 1 , Figure 3 and Figure 4As shown, the constant temperature crystallizer 1 includes a heat preservation barrel 11 and a crystallization barrel 12 installed in the heat preservation barrel 11, and temperature detectors 22 are installed in the heat preservation barrel 11 and the crystallization barrel 12, and the heat preservation barrel 11 and the crystallization barrel 12 are connected to the water circulation temperature control system 21. Among them, the heat preservation barrel 11 includes a first inner tank 111, a first outer tank 112 located outside the first inner tank 111, and a first water inlet tank 113 located below the first inner tank 111 and the second inner tank 121, wherein a first water inlet pipe 114 is connected to the tank wall of the first water inlet tank 113, a connecting hole 115 is connected between the top wall of the first water inlet tank 113 and the bottom wall of the first inner tank 111, a plurality of first overflow holes 116 are opened on the vertical tank wall of the first inner tank 111 along the circumferential direction, and a first water outlet pipe 117 is connected to the lower position of the tank wall of the first outer tank 112. After the water flows into the first inner tank 111 through the first water inlet pipe 114, the first water inlet groove 113 and the connecting hole 115, it enters the first outer tank 112 through the first overflow hole 116 and is then discharged through the first water outlet pipe 117. The crystallization barrel 12 is installed in the first inner tank 111, and the crystallization barrel 12 comprises a second inner tank 121, a second outer tank 122 located outside the second inner tank 121, and a second water inlet groove 123 located below the second inner tank 121 and the second inner tank 121, a second water inlet pipe 124 is connected to the groove wall of the second water inlet groove 123, a plurality of water distribution holes 125 are connected between the top wall of the second water inlet groove 123 and the bottom wall of the second inner tank 121, a plurality of second overflow holes 126 are opened in the circumferential direction on the vertical groove wall of the second inner tank 121, and a second water outlet pipe 127 is arranged on the groove wall of the second outer tank 122. After the water flows into the second inner tank 121 through the second water inlet pipe 124 , the second water inlet groove 123 and the water distribution hole 125 , it flows into the second outer tank 122 through the second overflow hole 126 and is then discharged through the second water outlet pipe 127 .

[0033] The water circulation temperature control system 21 includes a first return pipe 211, a first heating pipe 212, a second return pipe 214, and a second heating pipe 215. The first return pipe 211 is connected to the first water outlet pipe 117, the first heating pipe 212 and the first water inlet pipe 114 are connected through a circulating water pump, and a first heater 213 is connected between the first heating pipe 212 and the first return pipe 211. The second return pipe 214 is connected to the second water outlet pipe 127, the second heating pipe 215 is connected to the second water inlet pipe 124 through a circulating water pump, and a second heater 216 is connected between the second heating pipe 215 and the second return pipe 214. It should also be noted that the first heater 213 and the second heater 216 can be the same heater, and can be water flow heating. In this embodiment, the first heater 213 and the second heater 216 are both tank heaters. The water circulation temperature control system 21 also includes a temperature control device (not shown in the figure), which controls the operation of the first heater 213 and the second heater 216 according to the feedback of the temperature detector 22.

[0034] The working process of the utility model is as follows: during the working process of the constant temperature crystallizer 1, the temperature detector 22 detects the working temperature of the constant temperature crystallizer 1 in real time, and the water circulation temperature control system 21 provides the reaction temperature for the constant temperature crystallizer 1 and is responsible for temperature regulation, wherein the first heater 213 provides hot water to the first heating tube 212, and after the hot water enters the first water inlet pipe 114, it flows into the first return pipe 211 through the first water outlet pipe 117, thereby completing the temperature regulation of the insulation barrel 11. The second heater 216 provides hot water to the second heating tube 215, and after the hot water enters the second water inlet pipe 124, it enters the second return pipe 214 through the second water outlet pipe 127, thereby completing the temperature regulation of the crystallization barrel 12. At the same time, the picture acquisition device 3 observes the crystallization situation in the constant temperature crystallizer 1, and observes and records the crystallization process online in situ. Specifically, the observation orientation of the picture acquisition device 3 can be determined by adjusting the installation component 4.

[0035] Example 2

[0036] The difference between this embodiment and embodiment 1 is the installation components, such as Figure 5 As shown, the mounting assembly 4 in this embodiment includes a ball seat 5, a reversing ball 51 and a positioning member 52. The ball seat 5 is fixedly connected to the top of the frame 13 and installed above the constant temperature crystallizer 1. A ball groove 53 is provided on the bottom wall of the ball seat 5 and passes through the ball seat 5 in the vertical direction. The reversing ball 51 is inserted into the ball groove 53 and fits with the groove wall of the ball groove 53. The notch of the ball groove 53 is located on both sides of the center of the reversing ball 51 to ensure that the reversing ball 51 will not fall out of the ball groove 53. At the same time, the lower end of the reversing ball 51 extending out of the ball groove 53 is fixedly connected with a sliding rail 56. The sliding rail 56 is horizontally arranged and has a sliding seat 57 slidingly arranged in the horizontal direction. The sliding rail 56 is threadedly connected with a fixing rod 58 in the vertical direction. The fixing rod 58 fits with the top wall of the sliding seat 57, and the fixing seat 493 is fixedly installed on the sliding seat 57. The positioning member 52 includes a positioning lever 54 . A feed groove 55 communicating with the ball groove 53 is horizontally provided on the ball seat 5 . The positioning lever 54 is threadedly connected to the groove wall of the feed groove 55 . The end wall of the positioning lever 54 fits the reversing ball 51 .

[0037] Therefore, when the fixed rod 58 is away from the sliding seat 57, the general position of the image acquisition device 3 can be adjusted by sliding the sliding seat 57 on the sliding rail 56, and then the fixed rod 58 is pressed against the sliding seat 57 to position the sliding seat 57. Then, the reversing ball 51 is rotated in the ball groove 53 to finely adjust the lens position of the image acquisition device 3, and then the threaded feed of the positioning rod is used to make it press against the reversing ball 51, so that the reversing ball 51 can be positioned, and then the position of the image acquisition device 3 is determined.

Claims

1. A crystallization visual temperature control device, characterized in that: The invention comprises a frame (13), a constant temperature crystallizer (1), a temperature controller (2), and a picture acquisition device (3); the frame (13) is arranged in an "L"-shaped structure; the constant temperature crystallizer (1) is mounted on the frame (13); the temperature controller (2) is connected to the constant temperature crystallizer (1); the temperature controller (2) comprises a water circulation temperature control system (21) and a temperature detector (22); the water circulation temperature control system (21) and the temperature detector (22) are both connected to the constant temperature crystallizer (1); and the picture acquisition device (3) is mounted above the constant temperature crystallizer (1) via a mounting assembly (4).

2. A crystal visual temperature control device according to claim 1, characterized in that: The constant temperature crystallizer (1) comprises a heat preservation barrel (11) and a crystallization barrel (12) installed in the heat preservation barrel (11), the temperature detector (22) being installed in both the heat preservation barrel (11) and the crystallization barrel (12), and the heat preservation barrel (11) and the crystallization barrel (12) being connected to the water circulation temperature control system (21).

3. A crystallization visual temperature control device according to claim 2, characterized in that: The heat preservation barrel (11) comprises a first inner tank (111), a first outer tank (112) located outside the first inner tank (111), and a first water inlet tank (113) located below the first inner tank (111); a first water inlet pipe (114) is connected to the tank wall of the first water inlet tank (113); a connecting hole (115) is connected between the top wall of the first water inlet tank (113) and the bottom wall of the first inner tank (111); a first overflow hole (116) is provided on the vertical tank wall of the first inner tank (111); and a first water outlet pipe (117) is provided on the tank wall of the first outer tank (112).

4. A crystallization visual temperature control device according to claim 3, characterized in that: The water circulation temperature control system (21) comprises a first return pipe (211) and a first heating pipe (212); the first return pipe (211) is connected to the first water outlet pipe (117); the first heating pipe (212) is connected to the first water inlet pipe (114); and a first heater (213) is connected between the first heating pipe (212) and the first return pipe (211).

5. A crystal visual temperature control device according to claim 4, characterized in that: The crystallization barrel (12) is installed in the first inner tank (111), and the crystallization barrel (12) comprises a second inner tank (121), a second outer tank (122) located outside the second inner tank (121), and a second water inlet tank (123) located between the second inner tank (121) and below the second inner tank (121), a second water inlet pipe (124) being connected to the tank wall of the second water inlet tank (123), a water distribution hole (125) being connected between the top wall of the second water inlet tank (123) and the bottom wall of the second inner tank (121), a second overflow hole (126) being provided on the vertical tank wall of the second inner tank (121), and a second water outlet pipe (127) being provided on the tank wall of the second outer tank (122).

6. A crystal visual temperature control device according to claim 5, characterized in that: The water circulation temperature control system (21) further comprises a second return pipe (214) and a second heating pipe (215); the second return pipe (214) is connected to the second water outlet pipe (127); the second heating pipe (215) is connected to the second water inlet pipe (124) via a circulating water pump; and a second heater (216) is connected between the second heating pipe (215) and the second return pipe (214).

7. The crystal visual temperature control device according to claim 1, characterized in that: The mounting assembly (4) comprises a ball seat (5), a reversing ball (51) and a positioning member (52); the ball seat (5) is mounted above the constant temperature crystallizer (1) through a frame (13); a ball groove (53) is provided on the bottom wall of the ball seat (5); the reversing ball (51) is inserted into the ball groove (53) and fits with the groove wall of the ball groove (53); the notch of the ball groove (53) is located on both sides of the center of the reversing ball (51) in the vertical direction; the image acquisition device (3) is arranged on a fixed seat (493) at one end of the reversing ball (51) extending out of the ball groove (53); The positioning member (52) comprises a positioning lever (54), the ball seat (5) is provided with a feed groove (55) which is in communication with the ball groove (53), the positioning lever (54) is threadedly connected to the groove wall of the feed groove (55), and the end wall of the positioning lever (54) is in contact with the reversing ball (51).

8. The crystal visual temperature control device according to claim 7, characterized in that: The lower end of the reversing ball (51) extending out of the ball groove (53) is fixedly connected to a sliding rail (56); the sliding rail (56) is horizontally arranged and has a sliding seat (57) slidingly arranged in the horizontal direction; the sliding rail (56) is threadedly connected to a fixing rod (58) in the vertical direction; the fixing rod (58) and the side wall of the sliding seat (57) are in contact with each other, and the fixing seat (493) is fixedly installed on the sliding seat (57).

9. The crystal visual temperature control device according to claim 1, characterized in that: The mounting assembly (4) comprises a first base (41), a first screw (42), a first slider (43), a second base (44), a second screw (45), and a second slider (46); the first base (41) is fixed to the top of the frame (13) and is arranged above the constant temperature crystallizer (1); the first slider (43) is arranged on the first base (41) so as to slide in the horizontal direction; the first screw (42) is rotatably connected to the first base (41) and is threadedly connected to the first slider (43); the second base (44) is arranged on the first slider (43); the second slider (46) is arranged on the second base (44) so ​​as to slide in the horizontal direction and is perpendicular to the sliding direction of the first slider (43); the second screw (45) is rotatably connected to the second base (44) and is threadedly connected to the second slider (46); a lifting base (47) is arranged on the second slider (46); and a lifting slider (49) is slidably connected to the lifting base (47) in the vertical direction.

10. The crystal visual temperature control device according to claim 9, characterized in that: The lifting slider (49) is fixedly connected with a fixing seat (493), the picture acquisition device (3) is installed on the fixing seat (493), the lifting base (47) is rotatably connected with an axially vertical lifting screw (48), the lifting screw (48) and the lifting slider (49) are threadedly connected, and the lifting screw (48) is fixedly connected with a bevel gear set (492), a bevel gear in the bevel gear set (492) away from the lifting screw (48) is fixedly connected with a driving rod (491), and the lifting screw (48) is rotated by rotating the driving rod (491).

Citation Information

Patent Citations

  • A crystallization device for processing sodium diacetate

    CN117443010B