Crystallization filtering device for beta-cyclodextrin production

Abstract

The utility model provides a crystallization filtering device for beta-cyclodextrin production, and belongs to the field of equipment for beta-cyclodextrin production. When the filtering device is used, reaction materials are put into the tank body, then rotation power of a transmission pipe below is carried to be transmitted to a stirring shaft through the action of a stirring motor in a transmission box, the stirring shaft starts to rotate, stirring blades arranged on the two sides of the stirring shaft rotate along with the stirring motor, and then the reaction materials in the tank body are fully stirred; therefore, sufficient reaction and crystallization are promoted, the crystallization effect is improved to the maximum extent, and the efficient stirring effect is realized. Once the crystallization process is completed, the filtering connecting pipe is opened, so that crystallized liquid flows out of the filtering connecting pipe, crystal substances are left in the tank body under the filtering action of the filtering connecting pipe, and the liquid is discharged. And after the liquid is discharged, the soft stirring scraping rod begins to rotate to scrape the crystals into the discharging pipe, and the crystals can be smoothly discharged through the discharging pipe, so that the efficient separation process of the crystals and the liquid is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of apparatuses for producing beta-cyclodextrin, in particular to a crystallization filtering device for producing beta-cyclodextrin. Background Art

[0002] At present, cyclodextrin is the general name for a series of cyclic oligosaccharides produced by amylose under the action of cyclodextrin glucosyltransferase (CGTase) produced by Bacillus, usually containing 6 to 12 D-pyranose units. Among them, the molecule containing 7 glucose units is called β-cyclodextrin, which is a water-soluble, non-reducing white crystalline powder with a hole in the middle of its molecule. The hole has a unique inclusion function and can form inclusion complexes with many substances. It is widely used in industry.

[0003] In the production process of β-cyclodextrin, crystallization filtration is a key step for separating and extracting the target product. However, traditional devices may be affected by problems such as insufficient stirring and uneven mixing of reaction materials during the crystallization reaction stage, which may lead to unsatisfactory crystallization results. At the same time, in the process of separating crystals from liquids, there may also be problems such as poor drainage and low separation efficiency, which imposes certain restrictions on subsequent production processes and product quality. Therefore, it is necessary to provide a crystallization filtration device for the production of β-cyclodextrin that has better efficiency of crystallization reaction and ensures efficient separation of crystals and liquids. Utility Model Content

[0004] The utility model aims to provide a crystallization filtering device for beta-cyclodextrin production, which solves the problems that the crystallization effect of the existing equipment is not satisfactory, and there are also problems such as poor drainage and low separation efficiency.

[0005] A crystallization filtration device for producing β-cyclodextrin comprises a tank body and a tank cover, wherein a temperature control mechanism is arranged on the tank body, a filter connecting pipe and a discharge pipe are arranged at the bottom of the tank body, a transmission mechanism is fixedly arranged at the top of the tank body, a stirring mechanism is movably arranged on the transmission mechanism and is arranged inside the tank body, the stirring mechanism comprises a stirring shaft, a plurality of stirring blades and a flexible stirring scraper, the top of the stirring shaft is connected to the bottom of the transmission mechanism through a bearing, a plurality of stirring blades are fixedly arranged on both sides of the stirring shaft, the bottom of the stirring shaft is fixedly arranged with the flexible stirring scraper, and the side of the flexible stirring scraper is fixedly arranged on the stirring blade at the bottom through a connecting rod.

[0006] Preferably, the transmission mechanism includes a transmission box, a stirring motor and a transmission pipe, the top surface of the tank cover is provided with the transmission box, the stirring motor is fixed in the transmission box by screws, the bottom end of the stirring motor is provided with the transmission pipe, and the transmission pipe is connected to the stirring shaft through a bearing. The design of the transmission mechanism enables the stirring mechanism to be effectively driven. This ensures the stable rotation of the stirring shaft, provides reliable power support for the crystallization process, thereby enhancing the stirring effect and improving the crystallization efficiency of the reaction material.

[0007] Preferably, the temperature control mechanism includes a heating plate, a PLC controller, a display and control screen, and a control button. A reaction barrel is provided in the tank body, the heating plate is provided between the inner wall of the tank body and the reaction barrel, the heating plate is connected to the PLC controller, and the control button and the display and control screen connected to the PLC controller are provided on the outside of the tank body. The depyrogenic temperature of the heating plate is controlled by the control button, so as to realize intelligent regulation of the temperature inside the tank body, which helps to maintain the appropriate temperature range of the crystallization reaction, improve the reaction rate, promote the crystallization process, and ensure the stability and quality of the crystallized product. At the same time, the display and control screen can better display the internal temperature, which facilitates the temperature adjustment.

[0008] Preferably, a transparent observation window is provided on the tank body, which helps the operator to observe the reaction process in real time and provides intuitive visual feedback, so that abnormal conditions can be discovered in time and the operating parameters can be adjusted, thereby ensuring the controllability and stability of the crystallization process.

[0009] Preferably, the filter connecting pipe and the discharge pipe are both provided with a gate mechanism, the gate mechanism includes a lifting plate, a gate plate, a lifting rod, a sliding block, a switch motor and a lifting gear, the lifting plate is fixedly provided on the inner wall of the reaction barrel, the lifting plate is provided with a relative lifting rod on the side close to the inner wall of the reaction barrel, the sliding block is liftable on the lifting rod, the pair of sliding blocks are fixedly provided on the gate plate, the gate plate is provided with a movable groove on the side close to the inner wall of the reaction barrel, a row of tooth blocks are provided in the length direction of the inner wall of the movable groove, a lifting gear meshingly connected to the tooth block is movably provided on one side of the tooth block, and the lifting gear is connected to the switch motor provided on the outer side of the tank body through a connecting shaft. When in use, the switch motor drives the connecting shaft to rotate, thereby driving the lifting gear to rotate, at this time, the lifting gear rotates relative to the tooth block, thereby driving the gate plate to move up and down, when the gate plate moves up and down, the sliding block moves up and down on the lifting rod. The upward movement of the gate plate opens the filter connection pipe or the discharge pipe, while the upward movement of the gate plate closes the filter connection pipe or the discharge pipe. Through the design of the gate mechanism, the user can accurately control the up and down movement of the gate plate by starting and stopping the switch motor. This ensures that the filter connection pipe or the discharge pipe is opened or closed at the right time and speed, thereby achieving highly accurate control of the discharge of liquid and crystals. At the same time, it also reduces the need for manual intervention, reduces the risk of accidents during operation, and improves the safety of operation.

[0010] Preferably, a fixing plate is fixedly provided at the end of the filter connecting tube, a plurality of screw holes are provided on the fixing plate, a drain pipe is fixedly provided on the filter connecting tube through the fixing plate, an extension pipe is provided inside the filter connecting tube, a filter layer is provided at the end of the extension pipe, and the diameter of the filter layer is equal to the diameter of the filter connecting tube. The accuracy and stability of the filtration are ensured, the crystals are effectively prevented from entering the drain pipe, and the yield and purity of the crystallized product are improved.

[0011] Preferably, a cleaning connection pipe is provided at the top of the tank cover, a sealing plate is provided at the end of the cleaning connection pipe, and a feeding pipe is fixedly provided at the side of the tank body. The provision of the cleaning connection pipe is conducive to cleaning the inside of the tank body. Before use, appropriate water is first put into the reaction barrel inside the tank body through the cleaning connection pipe to clean the inside to prevent later contamination of the reaction materials and crystallization effect inside.

[0012] Preferably, a feed filter is provided at the feed pipe to filter the reaction material.

[0013] Preferably, the inner bottom of the tank is arranged in an arc shape that bulges upwards. The crystals after crystallization can flow well to the discharge pipe through the reaction materials.

[0014] Compared with the prior art, the utility model has the following beneficial effects: the utility model provides a crystallization filtration device for the production of β-cyclodextrin. When in use, the reaction material is put into the interior of the tank body, and then the stirring motor in the transmission box is used to carry the rotational power of the transmission tube below to the stirring shaft, so that it starts to rotate, and the stirring blades arranged on both sides of the stirring shaft follow the rotation, thereby fully stirring the reaction material in the tank body, prompting it to fully react and crystallize, ensuring that the crystallization effect is maximized, and achieving the effect of efficient stirring. Once the crystallization process is completed, the liquid after crystallization flows out of the filter connecting tube by opening the filter connecting tube, and the filtering effect of the filter connecting tube allows the crystals to remain in the tank body and the liquid is discharged. After the liquid is discharged, the soft stirring scraper begins to rotate, scraping the crystals into the discharge pipe, and the crystals will be discharged smoothly through the discharge pipe, thereby achieving an efficient separation process of the crystals and the liquid. Therefore, the crystallization filtration device for β-cyclodextrin production ensures the integrity and efficiency of the crystallization reaction. At the same time, in the separation stage, the cleverly designed soft stirring scraper is used to achieve rapid and effective separation of crystals and liquid, bringing more superior operability and production efficiency to the entire production process. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0016] Figure 2 This is a schematic cross-sectional structure diagram of the crystallization filtration device for producing β-cyclodextrin according to the utility model;

[0017] Figure 3 It is a structural schematic diagram of the gate mechanism described in the utility model.

[0018] Figure 4 It is a structural schematic diagram of the filter connecting pipe described in the utility model.

[0019] Figure 5 It is a structural schematic diagram of the transmission box described in the utility model.

[0020] in:

[0021] In the figure: 100-tank body, 101-tank cover, 102-transmission box, 103-cleaning connecting pipe, 104-sealing plate, 106-observation window, 107-display control screen, 108-control button, 109-switch motor, 110-filter connecting pipe, 111-fixed plate, 112-drain pipe, 113-screw hole, 114-discharge pipe, 116-feed pipe, 117-reaction barrel, 118-transmission pipe, 119-stirring shaft, 120-stirring blade, 121-soft stirring scraper, 122-heating plate, 123-support block, 124-connecting shaft, 125-lifting plate, 126-gate plate, 127-stirring motor, 128-lifting rod, 129-sliding block, 130-movable groove, 131-tooth block, 132-lifting gear, 133-filter layer, 134-extension tube. 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 5 The present embodiment provides a crystallization filtration device for producing β-cyclodextrin, which comprises a tank body 100 and a tank cover 101, wherein a temperature control mechanism is arranged on the tank body 100, a filter connecting pipe 110 and a discharge pipe 114 are arranged at the bottom of the tank body 100, a transmission mechanism is fixedly arranged at the top of the tank body 100, and the transmission mechanism is movably provided with a stirring mechanism arranged inside the tank body 100, the stirring mechanism comprises a stirring shaft 119, a plurality of stirring blades 120 and a soft stirring scraper 121, the top of the stirring shaft 119 is connected to the bottom of the transmission mechanism through a bearing, a plurality of stirring blades 120 are fixedly arranged on both sides of the stirring shaft 119, the bottom of the stirring shaft 119 is fixedly provided with the soft stirring scraper 121, and the side of the soft stirring scraper 121 is fixedly arranged on the stirring blade 120 at the bottom through a connecting rod. It should be noted that the provision of the connecting rod makes the stirring of the soft stirring scraper 121 more stable and the crystals are better discharged from the discharge pipe 114 .

[0024] Preferably, the transmission mechanism includes a transmission box 102, a stirring motor 127 and a transmission pipe 118, the top surface of the tank cover 101 is provided with the transmission box 102, the stirring motor 127 is fixed by screws in the transmission box 102, the bottom end of the stirring motor 127 is provided with the transmission pipe 118, and the transmission pipe 118 is connected to the stirring shaft 119 through a bearing. The design of the transmission mechanism enables the stirring mechanism to be effectively driven. This ensures the stable rotation of the stirring shaft 119, provides reliable power support for the crystallization process, thereby enhancing the stirring effect and improving the crystallization efficiency of the reaction material.

[0025] Preferably, the temperature control mechanism includes a heating plate 122, a plc controller, a display control screen 107 and a control button 108, a reaction barrel 117 is arranged in the tank 100, the heating plate 122 is arranged between the inner wall of the tank 100 and the reaction barrel 117, the heating plate 122 is connected to the plc controller, and the control button 108 and the display control screen 107 connected to the plc controller are arranged outside the tank 100. The heat-release temperature of the heating plate 122 is controlled by the control button 108, so as to realize intelligent regulation of the temperature inside the tank 100, which helps to maintain the suitable temperature range of the crystallization reaction, improve the reaction rate, promote the crystallization process, and ensure the stability and quality of the crystallized product. At the same time, the display control screen 107 can better display the internal temperature, which is convenient for temperature regulation. In the present embodiment, the reaction barrel 117 is connected to the tube body by a support block 123.

[0026] Preferably, a transparent observation window 106 is provided on the tank body 100, which helps the operator to observe the reaction process in real time and provides intuitive visual feedback, so that abnormal conditions can be discovered in time and operating parameters can be adjusted, thereby ensuring the controllability and stability of the crystallization process.

[0027] Preferably, the filter connecting pipe 110 and the discharge pipe 114 are both provided with a gate mechanism, and the gate mechanism includes a lifting plate 125, a gate plate 126, a lifting rod 128, a sliding block 129, a switch motor 109 and a lifting gear 132. The lifting plate 125 is fixedly provided on the inner wall of the reaction barrel 117, and a relative lifting rod 128 is provided on the lifting plate 125 close to the inner wall of the reaction barrel 117. The lifting rod 128 can be lifted and lowered. The sliding block 129 is provided, and the pair of sliding blocks 129 is fixedly provided on the gate plate 126. The gate plate 126 is provided with a movable groove 130 on one side close to the inner wall of the reaction barrel 117. A row of tooth blocks 131 are provided in the length direction of the inner wall of the movable groove 130. A lifting gear 132 is movably provided on one side of the tooth block 131 and meshed with it. The lifting gear 132 is connected to the switch motor 109 provided on the outer side of the tank body 100 through a connecting shaft 124. When in use, the switch motor 109 drives the connecting shaft 124 to rotate, and then drives the lifting gear 132 to rotate. At this time, the lifting gear 132 rotates relative to the tooth block 131, and then drives the gate plate 126 to move up and down. When the gate plate 126 moves up and down, the sliding block 129 moves up and down on the lifting rod 128. The upward movement of the gate plate 126 opens the filter connecting tube 110 or the discharge tube 114, while the upward movement of the gate plate 126 closes the filter connecting tube 110 or the discharge tube 114. Through the design of the gate mechanism, the user can accurately control the up and down movement of the gate plate 126 by starting and stopping the switch motor 109. This ensures that the filter connecting tube 110 or the discharge tube 114 is opened or closed at the appropriate time and speed, thereby achieving highly accurate control of the discharge of liquid and crystals. At the same time, it also reduces the need for manual intervention, reduces the risk of accidents during operation, and improves the safety of operation. It should be noted that rubber rings are arranged around the gate plate 126 to ensure sealing.

[0028] Preferably, a fixing plate 111 is fixedly provided at the end of the filter connecting tube 110, and a plurality of screw holes 113 are provided on the fixing plate 111. A drain pipe 112 is fixedly provided on the filter connecting tube 110 through the fixing plate 111. The drain pipe 112 is provided with an extension pipe 134 extending into the filter connecting tube 110. A filter layer 133 is provided at the end of the extension pipe 134, and the diameter of the filter layer 133 is equal to the diameter of the filter connecting tube 110. The accuracy and stability of the filtration are ensured, the crystals are effectively prevented from entering the drain pipe 112, and the yield and purity of the crystallized product are improved.

[0029] Preferably, a cleaning connection pipe 103 is provided at the top of the tank cover 101, a sealing plate 104 is provided at the end of the cleaning connection pipe 103, and a feeding pipe 116 is fixedly provided at the side of the tank body 100. The provision of the cleaning connection pipe 103 is conducive to cleaning the inside of the tank body 100. Before use, corresponding water is first put into the reaction barrel 117 inside the tank body 100 through the cleaning connection pipe 103 to clean the inside to prevent the reaction materials and crystallization effect inside from being contaminated later.

[0030] Preferably, a feed filter is provided at the feed pipe 116. The feed can filter the reaction material. Preferably, the inner bottom of the tank body 100 is arranged in an arc shape that bulges upward. The crystals after crystallization can flow well to the discharge pipe 114 through the reaction material.

[0031] The crystallization and filtration device for the production of β-cyclodextrin provided by the utility model, when in use, is put into the interior of the tank body 100 by the reaction material, and then the stirring motor 127 in the transmission box 102 acts to carry the rotational power of the transmission tube 118 below to the stirring shaft 119, so that it starts to rotate, and the stirring blades 120 arranged on both sides of the stirring shaft 119 follow the rotation, and then the reaction material in the tank body 100 is fully stirred, so that it is fully reacted and crystallized, ensuring that the crystallization effect is maximized, and the effect of efficient stirring is achieved. Once the crystallization process is completed, the liquid after crystallization flows out from the filtering connecting tube 110 by opening the filtering connecting tube 110, and the filtering effect of the filtering connecting tube 110 makes the crystals remain in the tank body 100, and the liquid is discharged. After the liquid is discharged, the soft stirring scraper 121 starts to rotate, scraping the crystals into the discharge pipe 114, and the crystals will be discharged smoothly through the discharge pipe 114, thereby realizing an efficient separation process of the crystals and the liquid. Therefore, the crystallization filtration device for β-cyclodextrin production ensures the integrity and efficiency of the crystallization reaction. At the same time, in the separation stage, the cleverly designed soft stirring scraper 121 is used to achieve rapid and effective separation of crystals and liquid, bringing more superior operability and production efficiency to the entire production process.

[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 crystallization filtration device for the production of β-cyclodextrin, comprising a tank body and a tank cover, wherein a temperature control mechanism is arranged on the tank body, characterized in that: A filter connecting pipe and a discharge pipe are arranged at the bottom of the tank body, a transmission mechanism is fixedly arranged at the top of the tank body, and a stirring mechanism is movably arranged on the transmission mechanism and is arranged inside the tank body. The stirring mechanism includes a stirring shaft, a plurality of stirring blades and a flexible stirring scraper. The top end of the stirring shaft is connected to the bottom end of the transmission mechanism through a bearing, a plurality of stirring blades are fixedly arranged on both sides of the stirring shaft, the flexible stirring scraper is fixedly arranged at the bottom end of the stirring shaft, and the side surface of the flexible stirring scraper is fixedly arranged on the stirring blade at the bottom through a connecting rod.

2. The crystallization filtration device for producing β-cyclodextrin according to claim 1, characterized in that: The transmission mechanism includes a transmission box, a stirring motor and a transmission pipe. The transmission box is arranged on the top surface of the tank cover. The stirring motor is fixed in the transmission box by screws. The transmission pipe is arranged at the bottom end of the stirring motor. The transmission pipe is connected to the stirring shaft through a bearing.

3. The crystallization filtration device for producing β-cyclodextrin according to claim 1, characterized in that: The temperature control mechanism includes a heating plate, a PLC controller, a display screen and a control button. A reaction barrel is arranged in the tank body. The heating plate is arranged between the inner wall of the tank body and the reaction barrel body. The heating plate is connected to the PLC controller. The control button and the display screen connected to the PLC controller are arranged on the outside of the tank body.

4. The crystallization filtration device for producing β-cyclodextrin according to claim 3, characterized in that: A transparent observation window is provided on the tank body.

5. The crystallization filtration device for producing β-cyclodextrin according to claim 3, characterized in that: A gate mechanism is provided at both the filter connecting pipe and the discharge pipe, and the gate mechanism includes a lifting plate, a gate plate, a lifting rod, a sliding block, a switch motor and a lifting gear. The lifting plate is fixedly provided on the inner wall of the reaction barrel body, and a relative lifting rod is provided on the lifting plate close to the inner wall of the reaction barrel body. The sliding block is liftably provided on the lifting rod, and the pair of sliding blocks is fixedly provided on the gate plate, and a movable groove is provided on the gate plate close to the inner wall of the reaction barrel body, and a row of tooth blocks is provided in the length direction of the inner wall of the movable groove, and a lifting gear meshingly connected to the tooth block is movably provided on one side of the tooth block, and the lifting gear is connected to the switch motor provided on the outer side of the tank body through a connecting shaft.

6. The crystallization filtration device for producing β-cyclodextrin according to claim 1, characterized in that: A fixing plate is fixedly provided at the end of the filter connecting tube, and a plurality of screw holes are opened on the fixing plate. A drainage pipe is fixedly provided on the filter connecting tube through the fixing plate. An extension pipe is extended into the filter connecting tube, and a filter layer is provided at the end of the extension pipe. The diameter of the filter layer is equal to the diameter of the filter connecting tube.

7. The crystallization filtration device for producing β-cyclodextrin according to claim 1, characterized in that: A cleaning connecting pipe is arranged at the top of the tank cover, a sealing plate is arranged at the end of the cleaning connecting pipe, and a feeding pipe is fixedly arranged at the side of the tank body.

8. The crystallization filtration device for producing β-cyclodextrin according to claim 7, characterized in that: A feed filter is arranged at the feed pipe.

9. The crystallization filtration device for producing β-cyclodextrin according to claim 1, characterized in that: The inner bottom of the tank body is arranged in an arc shape convex upwards.

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