Separation and purification device for beta-cyclodextrin

Abstract

The utility model provides a beta-cyclodextrin separation and purification device. The beta-cyclodextrin separation and purification device comprises a stirring purification mechanism and a crystallization separation mechanism, wherein the stirring and purifying mechanism can effectively mix and purify crude beta-cyclodextrin and water, and a heating plate arranged on the side wall of the stirring and purifying mechanism can accurately control the temperature, so that a proper mixing condition can be created in a solution, and the rate and the quality of subsequent crystallization can be improved; and the crystal separation mechanism can efficiently separate crystals in the same equipment, so that the manual operation is reduced, and the automation level of the whole process is improved. Meanwhile, the separation and purification process is more intelligent and accurate through the synergistic effect of the gate arranged at the containing part and the switch motor, the device can open or close the gate at a proper time by controlling the switch motor, flexible control over the separation and purification process is achieved, and the separation and purification effect is further improved. Therefore, the beta-cyclodextrin separation and purification device realizes automation of beta-cyclodextrin, and the separation and purification process is more flexibly controlled.

Description

Technical Field

[0001] The utility model relates to the technical field of beta-cyclodextrin production equipment, in particular to a beta-cyclodextrin separation and purification device. Background Art

[0002] At present, the separation and purification of crude β-cyclodextrin is generally carried out according to the following steps: dissolving crude β-cyclodextrin in water, cooling and crystallizing, separating crystals, and then dissolving the crystals again, adding activated carbon for decolorization, filtering and recrystallizing, or repeating the above dissolution-crystallization steps or decolorization steps. Among them, β-cyclodextrin is dissolved, crystallized and separated and crystallized in sequence, which has a long process, is easily contaminated during transportation, has a large equipment investment, and has high energy consumption. It is urgent to provide a separation and purification device with a simple structure and not easy to be contaminated.

[0003] The traditional separation and purification process of crude β-cyclodextrin usually involves the following steps: first, the crude β-cyclodextrin is put into water for dissolution, then cooled and crystallized, and finally the formed crystals are separated. However, many existing methods require that the crude β-cyclodextrin be dissolved in water in the outside world and then put into the equipment for crystallization. This two-step separation and purification process is inefficient. Therefore, there is an urgent need for a β-cyclodextrin separation and purification device with a higher degree of automation and better separation and purification effect. Utility Model Content

[0004] The utility model aims to provide a separation and purification device for beta-cyclodextrin, which solves the problem of poor separation and purification efficiency in the prior art.

[0005] A separation and purification device for β-cyclodextrin comprises a tank body, wherein a stirring and purification mechanism and a crystallization separation mechanism are arranged from top to bottom in the tank body, a housing portion is arranged between the stirring and purification mechanism and the crystallization separation mechanism, a heating plate is fixedly arranged on the inner wall of the housing portion close to the stirring and purification mechanism by screws, a partition is arranged in the middle of the housing portion, a group of relative slide grooves are opened on the partition, each of the slide grooves is movably provided with a fixing rod through a sliding block, the bottom of the fixing rod is arranged at one end of a gate, a switch screw shaft is connected to the side of the gate close to the fixing rod, the other end of the switch screw shaft is connected to a switch motor arranged on the side of the housing portion close to the crystallization separation mechanism, and a sealing rubber is arranged at the end of the gate away from the fixing rod.

[0006] Preferably, the stirring and purifying mechanism comprises a stirring tank, a motor box, a stirring motor, a stirring shaft and stirring blades, wherein the motor box is arranged on the top of the tank body, the stirring motor is fixedly arranged inside the motor box by screws, the stirring shaft is fixedly arranged at the output end of the stirring motor, the stirring shaft is rotatably arranged inside the stirring tank, and a plurality of stirring blades are fixedly arranged on both sides of the stirring shaft. The design of the stirring and purifying mechanism effectively improves the mixing uniformity of crude β-cyclodextrin and water. A plurality of stirring blades are arranged in the stirring tank, and the stirring motor transmits power through the stirring shaft, so that the stirring blades can quickly and evenly mix the crude β-cyclodextrin with water, ensuring sufficient contact and reaction of the solution.

[0007] Preferably, the crystallization separation mechanism includes a crystallization accommodating portion, a condensation plate, a transmission motor, a rotating shaft and a scraper. The condensation plate is arranged on the side of the crystallization accommodating portion, the transmission motor is arranged at the bottom of the crystallization accommodating portion, the output end of the transmission motor is movably provided with a rotating shaft through a sealed bearing, the end of the rotating shaft is provided with the scraper rod, and soft scrapers are fixedly arranged on both sides of the scraper rod. The arrangement of the condensation plate enables the side of the crystallization accommodating portion to be effectively cooled, which helps to crystallize under suitable temperature conditions, thereby improving the purity of the crystal. The transmission motor is arranged at the bottom of the crystallization accommodating portion, and the movement of the rotating shaft drives the scraper to rotate. The transmission motor can be turned on at an appropriate time to drive the scraper to effectively stir the crystals to prevent them from aggregating, thereby improving the dispersion of the crystals in the solution, thereby optimizing the crystallization separation effect. The soft scraper blades on both sides of the scraper are more conducive to the gentle handling of the crystals, reducing crystal breakage, and further improving product quality. After the crystallization is completed, the liquid is discharged through the discharge pipe, and when the crystals are discharged, the scraper rod and the soft scraper are rotated to squeeze the β-cyclodextrin in the crystal receiving part out of the tank through the discharge pipe.

[0008] Preferably, the tank body is provided with a feed pipe, a feeding pipe, a drain pipe and a discharge pipe, wherein the feed pipe and the feeding pipe are arranged at the top of the tank body, and the drain pipe and the discharge pipe are arranged at the bottom of the tank body. The crude β-cyclodextrin is put into the stirring tank in the tank body through the feed pipe, and then a certain amount of water or other liquid is put into the stirring tank through the feeding pipe, and then the stirring motor is operated, and the stirring blades in the stirring tank are rotated by the stirring shaft at the bottom of the stirring motor to stir the liquid so that the crude β-cyclodextrin is melted, and at the same time, the heating plate is used to heat and accelerate the melting. After the melting is completed, a certain amount of extraction and impurity removal reaction drug is put into the feeding pipe on the left side of the tank body for decolorization and impurity removal. It should be noted that an openable and closable filter is arranged between the stirring and purification mechanism and the crystallization separation mechanism. The openable and closable filter can be opened and closed by a motor drive. After mixing and stirring, the β-cyclodextrin liquid flows through the filter to the crystallization separation mechanism, and the impurities after decolorization and impurity removal can be filtered through the open and closed filter and will not remain below. When the crystals are discharged, water can be added inside, and the impurity feed pipe for decolorization and impurity removal can be flushed with water.

[0009] Furthermore, a transmission box is provided at the bottom of the crystal separation mechanism, and a group of valve mechanisms for sealing or opening the discharge pipe and the discharge pipe are provided in the transmission box. The valve mechanism includes a discharge motor, a transmission shaft, a transmission gear, a linkage gear, a fixed card plate, a lifting screw shaft and a lifting plate. The output end of the discharge motor is provided with the transmission shaft, the end of the transmission shaft is provided with the transmission gear, the transmission gear is meshed with the linkage gear, the lifting screw shaft is provided on the linkage gear, the lifting screw shaft can be slidably sleeved on the fixed card plate fixedly provided on the side wall of the transmission box, the end of the lifting screw shaft is provided with the lifting plate, and the lifting plate is provided with a rubber ring around the lifting plate. The discharge motor rotates, thereby driving the transmission gear to rotate, the transmission gear drives the linkage gear to rotate, and then the lifting screw shaft rises and falls at the fixed card plate, thereby driving the lifting plate to seal or open the discharge pipe and the discharge pipe. The valve opening and closing control of the discharge pipe and the discharge pipe is realized, thereby controlling the liquid discharge of the crystal separation mechanism and the smooth discharge of the product, thereby improving the effect of separation and purification. It makes the operation more flexible and automated, and improves the performance and separation efficiency of the equipment.

[0010] Furthermore, a filter screen is provided at the drain pipe, which ensures the accuracy and stability of filtration, effectively prevents crystals from entering the drain pipe and then being discharged, and improves the crystal yield and purity.

[0011] Preferably, a plurality of purity detection blocks are fixedly arranged on the inner wall of the stirring tank. Highly sensitive monitoring of the liquid state and the degree of mixing can be provided during the mixing process. This helps to achieve more accurate control of the reaction conditions and dynamic adjustment of the stirring speed, temperature or other reaction conditions to maximize the purity. This automated adjustment helps to reduce the need for operator intervention, while accurate purity monitoring helps to avoid unnecessary mixing or excessive mixing, thereby reducing the waste of resources (such as raw materials). This helps to improve production efficiency and reduce costs.

[0012] Furthermore, a PLC controller, a display screen and a control button are provided on the top side of the tank body. The PLC controller is connected to the purity detection block, and the control button and the display screen are connected to the PLC controller. Intelligent monitoring and control of the stirring process is realized. By acquiring purity detection data in real time, the PLC controller can adjust the operating parameters of the stirring and purification mechanism to optimize the reaction conditions and improve the purity of the product. The display screen provides real-time information feedback, displaying key parameters and purity data in the stirring process. This helps operators to intuitively understand the current reaction status, find problems in time and take necessary measures, and improve the convenience and transparency of equipment operation.

[0013] Preferably, an observation window is provided on the top side of the tank body, which helps the operator to observe the reaction process in real time and provides intuitive visual feedback.

[0014] Compared with the prior art, the utility model has the following beneficial effects: the utility model provides a separation and purification device for β-cyclodextrin, comprising a stirring and purification mechanism and a crystallization separation mechanism, and realizes the automated separation and purification process of β-cyclodextrin by combining the work of the stirring and purification mechanism and the crystallization separation mechanism. The stirring and purification mechanism can effectively mix and purify the crude β-cyclodextrin with water, and the heating plate arranged on the side wall can accurately control the temperature, which helps to create suitable mixing conditions in the solution, which helps to improve the rate and quality of subsequent crystallization, and also makes the entire separation and purification process more controllable; and the crystallization separation mechanism can efficiently separate crystals in the same device, reducing manual operation and improving the automation level of the entire process. At the same time, the synergistic effect of the gate and the switch motor arranged at the accommodating part makes the separation and purification process more intelligent and accurate. By controlling the switch motor, the device can open or close the gate at an appropriate time, realize flexible control of the separation and purification process, and further improve the separation and purification effect. Therefore, the separation and purification device of β-cyclodextrin realizes the automation of β-cyclodextrin, more flexible control of the separation and purification process, and also improves the separation and purification effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1It is a schematic diagram of the three-dimensional structure of the device for separating and purifying β-cyclodextrin according to the utility model;

[0016] Figure 2 It is a schematic cross-sectional structure diagram of the device for separating and purifying β-cyclodextrin according to the utility model;

[0017] Figure 3 It is a schematic cross-sectional structure diagram of the crystallization separation mechanism described in the utility model;

[0018] Figure 4 It is a schematic cross-sectional structure diagram of the bottom of the crystallization separation mechanism of the utility model;

[0019] Figure 5 It is a structural schematic diagram of the accommodation portion of the utility model;

[0020] in:

[0021] 100-tank body, 102-feeding pipe, 103-motor box, 104-heat dissipation hole, 105-feeding pipe, 106-drain pipe, 107-observation window, 108-display control screen, 109-control button, 110-discharging pipe, 112-stirring motor, 113-stirring tank, 114-purity detection block, 115-stirring shaft, 116-stirring blade, 117-filter, 200-accommodation part, 201-gate, 202-heating plate, 203-partition, 2 04-slideway, 205-fixed rod, 206-switch motor, 207-switch screw shaft, 208-condensation plate, 300-crystallization accommodating part, 301-transmission box, 302-rotating shaft, 303-scraper rod, 304-soft scraper, 305-lifting plate, 306-sealed bearing, 307-transmission motor, 309-transmission shaft, 310-transmission gear, 311-lifting screw shaft, 312-linkage gear, 313-fixed card plate, 314-discharging motor. DETAILED DESCRIPTION

[0022] The embodiments described below are only some embodiments of the utility model, not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1 to Figure 5The present embodiment provides a separation and purification device for β-cyclodextrin, comprising a tank body 100, wherein a stirring and purification mechanism and a crystallization separation mechanism are arranged from top to bottom in the tank body 100, wherein a housing portion 200 is arranged between the stirring and purification mechanism and the crystallization separation mechanism, wherein a heating plate 202 is fixedly arranged on the inner wall of the housing portion 200 on the side close to the stirring and purification mechanism by screws, wherein a partition 203 is arranged in the middle of the housing portion 200, wherein a group of relative slide grooves 204 are opened on the partition 203, wherein each of the slide grooves 204 is movably provided with a fixing rod 205 through a sliding block, wherein the bottom of the fixing rod 205 is arranged at one end of a gate 201, wherein a switch screw shaft 207 is connected to the side of the gate 201 close to the fixing rod 205, wherein the other end of the switch screw shaft 207 is connected to a switch motor 206 arranged on the side of the housing portion 200 close to the crystallization separation mechanism, and a sealing rubber is arranged at the end of the gate 201 away from the fixing rod 205.

[0024] Preferably, the stirring and purifying mechanism comprises a stirring tank 113, a motor box 103 with heat dissipation holes 104, a stirring motor 112, a stirring shaft 115 and stirring blades 116, wherein the motor box 103 is arranged at the top of the tank body 100, the stirring motor 112 is fixedly arranged inside the motor box 103 by screws, the stirring shaft 115 is fixedly arranged at the output end of the stirring motor 112, the stirring shaft 115 is rotatably arranged inside the stirring tank 113, and a plurality of stirring blades 116 are fixedly arranged on both sides of the stirring shaft 115. The design of the stirring and purifying mechanism effectively improves the mixing uniformity of crude β-cyclodextrin and water. A plurality of stirring blades 116 are arranged in the stirring tank 113, and the stirring motor 112 transmits power through the stirring shaft 115, so that the stirring blades 116 can quickly and evenly mix the crude β-cyclodextrin with water, ensuring sufficient contact and reaction of the solution.

[0025] Preferably, the crystal separation mechanism comprises a crystal accommodating portion 300200, a condensation plate 208, a transmission motor 307, a rotating shaft 302 and a scraper, wherein the condensation plate 208 is arranged on the side of the crystal accommodating portion 300200, the transmission motor 307 is arranged at the bottom of the crystal accommodating portion 300200, the output end of the transmission motor 307 is movably provided with the rotating shaft 302 through a sealed bearing 306, the end of the rotating shaft 302 is provided with the scraper rod 303, and soft scrapers 304 are fixedly arranged on both sides of the scraper rod 303. The arrangement of the condensation plate 208 enables the side of the crystal accommodating portion 300200 to be effectively cooled, which helps to crystallize under suitable temperature conditions, thereby improving the purity of the crystal. The transmission motor 307 is arranged at the bottom of the crystal accommodating portion 300200, and the movement of the rotating shaft 302 drives the scraper to rotate. The transmission motor 307 can be turned on at the right time to drive the scraper to effectively stir the crystals, prevent them from agglomerating, improve the dispersion of the crystals in the solution, and thus optimize the crystal separation effect. The soft scrapers 304 on both sides of the scraper are more conducive to gentle handling of the crystals, reduce crystal breakage, and further improve product quality. After the crystallization is completed, the liquid is discharged through the drain pipe 106, and when the crystals are discharged, the scraper rod 303 and the soft scraper 304 are rotated to squeeze the β-cyclodextrin in the crystal accommodating part 300200 out of the tank body 100 through the discharge pipe 110.

[0026] Preferably, the tank body 100 is provided with a feed pipe 105, a feeding pipe 102, a liquid discharge pipe 106 and a discharge pipe 110, wherein the feed pipe 105 and the feeding pipe 102 are arranged at the top of the tank body 100, and the liquid discharge pipe 106 and the discharge pipe 110 are arranged at the bottom of the tank body 100. The crude β-cyclodextrin is put into the stirring tank 113 in the tank body 100 through the feed pipe 105, and then a certain amount of water or other liquid is put into the stirring tank 113 through the feeding pipe 102, and then the stirring motor 112 is operated, and the stirring blade 116 in the stirring tank 113 is rotated and stirred by the stirring shaft 115 at the bottom of the stirring motor 112 to melt the crude β-cyclodextrin, and at the same time, the heating plate 202 is used to heat and accelerate the melting. After the melting is completed, a certain amount of extraction and impurity removal reaction medicine is put into the feed pipe 105 on the left side of the tank body to decolorize and remove impurities. It should be noted that an openable and closable filter screen 117 is arranged between the stirring and purification mechanism and the crystallization separation mechanism. The openable and closable filter screen 117 can be opened and closed by a motor drive. After mixing and stirring, the β-cyclodextrin liquid flows to the crystallization separation mechanism through the filter screen 117, and the impurities after decolorization and impurity removal can be filtered through the openable and closable filter screen 117 and will not remain below. When the crystals are discharged, water can be added inside, and the impurity feed pipe 105 for decolorization and impurity removal can be flushed with water.

[0027] Furthermore, a transmission box 301 is provided at the bottom end of the crystallization separation mechanism, and a group of valve mechanisms for sealing or opening the discharge pipe 106 and the discharge pipe 110 are provided in the transmission box 301, and the valve mechanism includes a discharge motor 314, a transmission shaft 309, a transmission gear 310, a linkage gear 312, a fixed clamping plate 313, a lifting screw shaft 311 and a lifting plate 305. The output end of the discharge motor 314 is provided with the transmission shaft 309, the end of the transmission shaft 309 is provided with the transmission gear 310, the transmission gear 310 is meshed with the linkage gear 312, and the lifting screw shaft 311 is provided on the linkage gear 312. The lifting screw shaft 311 can be slidably sleeved on the fixed clamping plate 313 fixedly provided on the side wall of the transmission box 301, the end of the lifting screw shaft 311 is provided with the lifting plate 305, and rubber rings are provided around the lifting plate 305. The discharge motor 314 rotates, thereby driving the transmission gear 310 to rotate, and the transmission gear 310 drives the linkage gear 312 to rotate, and then the lifting screw shaft 311 rises and falls at the fixed clamping plate 313, thereby driving the lifting plate 305 to seal or open the discharge pipe 106 and the discharge pipe 110. The valve opening and closing control of the discharge pipe 106 and the discharge pipe 110 is realized, thereby controlling the liquid discharge of the crystallization separation mechanism and the smooth discharge of the product, thereby improving the effect of separation and purification. The operation is made more flexible and automated, and the performance and separation efficiency of the equipment are improved.

[0028] Furthermore, a filter screen 117 is provided at the drain pipe 106 to ensure the accuracy and stability of the filtration, effectively prevent the crystals from entering the drain pipe 106 and then being discharged, and improve the crystal yield and purity.

[0029] Preferably, a plurality of purity detection blocks 114 are fixedly provided on the inner wall of the stirring tank 113. Highly sensitive monitoring of the liquid state and the degree of mixing can be provided during the mixing process. This helps to achieve more accurate control of the reaction conditions and dynamic adjustment of the stirring speed, temperature or other reaction conditions to maximize the purity. This automated adjustment helps to reduce the need for operator intervention, while accurate purity monitoring helps to avoid unnecessary mixing or excessive mixing, thereby reducing the waste of resources (such as raw materials). This helps to improve production efficiency and reduce costs.

[0030] Further, a plc controller, a display screen 108 and a control button 109 are provided on the top side of the tank body 100, and the plc controller is connected to the purity detection block 114, and the control button 109 and the display screen 108 are connected to the plc controller. Intelligent monitoring and control of the stirring process is realized. By obtaining purity detection data in real time, the PLC controller can adjust the operating parameters of the stirring and purification mechanism to optimize the reaction conditions and improve the purity of the product. The display screen 108 provides real-time information feedback, displaying key parameters, purity data, etc. during the stirring process. This helps the operator to intuitively understand the current reaction state, find problems in time and take necessary measures, and improve the convenience and transparency of the operation of the equipment. Preferably, an observation window 107 is provided on the top side of the tank body 100. It helps the operator to observe the reaction process in real time and provides intuitive visual feedback.

[0031] The β-cyclodextrin separation and purification device provided by the utility model comprises a stirring and purification mechanism and a crystallization and separation mechanism, and realizes the automated separation and purification process of β-cyclodextrin by combining the work of the stirring and purification mechanism and the crystallization and separation mechanism. The stirring and purification mechanism can effectively mix and purify the crude β-cyclodextrin with water, and the heating plate 202 arranged on the side wall can accurately control the temperature, which helps to create suitable mixing conditions in the solution, which helps to improve the rate and quality of subsequent crystallization, and also makes the entire separation and purification process more controllable; and the crystallization and separation mechanism can efficiently separate crystals in the same device, reduce manual operation, and improve the automation level of the entire process. At the same time, the synergistic effect of the gate 201 and the switch motor 206 arranged at the accommodating part 200 makes the separation and purification process more intelligent and accurate. By controlling the switch motor 206, the device can open or close the gate 201 at an appropriate time, realize flexible control of the separation and purification process, and further improve the separation and purification effect. Therefore, the separation and purification device of β-cyclodextrin realizes the automation of β-cyclodextrin, more flexible control of the separation and purification process, and also improves the separation and purification effect.

[0032] The above disclosures are only several preferred embodiments of the present invention, which certainly cannot be used to limit the scope of rights of the present invention. Therefore, equivalent changes made according to the scope of the patent application of the present invention are still within the scope covered by the present invention.

Claims

1. A β-cyclodextrin separation and purification device, comprising a tank, characterized in that: A stirring and purifying mechanism and a crystallization separation mechanism are arranged in the tank body from top to bottom, and a accommodating part is arranged between the stirring and purifying mechanism and the crystallization separation mechanism, a heating plate is fixedly arranged on the inner wall of the accommodating part close to the stirring and purifying mechanism by screws, a partition is arranged in the middle of the accommodating part, a group of relative slide grooves are opened on the partition, each of the slide grooves is movably provided with a fixing rod through a sliding block, the bottom of the fixing rod is arranged at one end of a gate, a switch screw shaft is connected to the side of the gate close to the fixing rod, the other end of the switch screw shaft is connected to a switch motor arranged on the side of the accommodating part close to the crystallization separation mechanism, and a sealing rubber is arranged at the end of the gate away from the fixing rod.

2. The β-cyclodextrin separation and purification device according to claim 1, characterized in that: The stirring and purification mechanism includes a stirring tank, a motor box, a stirring motor, a stirring shaft and stirring blades. The motor box is arranged on the top of the tank body. The stirring motor is fixedly arranged inside the motor box by screws. The stirring shaft is fixedly arranged at the output end of the stirring motor. The stirring shaft is rotatably arranged inside the stirring tank. A plurality of stirring blades are fixedly arranged on both sides of the stirring shaft.

3. The device for separating and purifying β-cyclodextrin according to claim 1, characterized in that: The crystallization separation mechanism includes a crystal accommodating portion, a condensation plate, a transmission motor, a rotating shaft and a scraper. The condensation plate is arranged on the side of the crystal accommodating portion, the transmission motor is arranged at the bottom of the crystal accommodating portion, the output end of the transmission motor is movably provided with a rotating shaft through a sealed bearing, the scraper is arranged at the end of the rotating shaft, and soft scrapers are fixedly arranged on both sides of the scraper.

4. The device for separating and purifying β-cyclodextrin according to claim 1, characterized in that: The tank body is provided with a feed pipe, a feeding pipe, a liquid discharge pipe and a discharge pipe. The feed pipe and the feeding pipe are arranged at the top of the tank body, and the liquid discharge pipe and the discharge pipe are arranged at the bottom of the tank body.

5. The device for separating and purifying β-cyclodextrin according to claim 4, characterized in that: A transmission box is provided at the bottom end of the crystallization separation mechanism, and a group of valve mechanisms for sealing or opening the discharge pipe and the discharge pipe are provided in the transmission box. The valve mechanism comprises a discharge motor, a transmission shaft, a transmission gear, a linkage gear, a fixed clamping plate, a lifting screw shaft and a lifting plate. The output end of the discharge motor is provided with the transmission shaft, the end of the transmission shaft is provided with the transmission gear, the transmission gear is meshed with the linkage gear, the lifting screw shaft is provided on the linkage gear, the lifting screw shaft can be slidably sleeved on the fixed clamping plate fixedly provided on the side wall of the transmission box, the end of the lifting screw shaft is provided with the lifting plate, and rubber rings are provided around the lifting plate.

6. The device for separating and purifying β-cyclodextrin according to claim 4, characterized in that: A filter screen is arranged at the drainage pipe.

7. The device for separating and purifying β-cyclodextrin according to claim 2, characterized in that: A plurality of purity detection blocks are fixedly arranged on the inner wall of the stirring tank.

8. The device for separating and purifying β-cyclodextrin according to claim 7, characterized in that: A PLC controller, a display control screen and a control button are arranged on the top side of the tank body. The PLC controller is connected to the purity detection block, and the control button and the display control screen are connected to the PLC controller.

9. The device for separating and purifying β-cyclodextrin according to claim 7, characterized in that: An observation window is arranged on the top side of the tank body.

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