Evaporative crystallization device for lysine

Abstract

The invention relates to the technical field of lysine evaporative crystallization, in particular to a lysine evaporative crystallization device which comprises a stirring crystallization device, centrifugal separation equipment is arranged on one side of the stirring crystallization device, the centrifugal separation equipment is used for centrifugal separation of lysine crystals, and cold and heat exchange equipment is arranged on one side of the stirring crystallization device. One side of the stirring crystallization device is fixedly connected with an evaporation concentration device, the evaporation concentration device is connected with cold and heat exchange equipment, one side of the stirring crystallization device is rotatably connected with a transmission mechanism, one end of the transmission mechanism extends into the stirring crystallization device and is meshed with the stirring crystallization device, and the stirring crystallization device is rotatably connected with an intermittent device. The intermittent device is matched with the transmission mechanism, a feeding device is arranged at the other end of the evaporation and concentration device, one end of the intermittent device extends into the feeding device and is fixedly connected with the feeding device, and the feeding device is used for conveying, filtering and removing impurities of the lysine fermentation liquor.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of lysine evaporation crystallization, and particularly relates to a lysine evaporation crystallization device. BACKGROUND

[0002] Lysine evaporation crystallization is a method for extracting lysine from fermentation liquor through evaporation concentration and crystallization separation technology, wherein lysine fermentation liquor is evaporated under a vacuum degree of 0.8 MPa and a temperature of 70 DEG C or below, is concentrated to 21-22 DEG C Bé (specific volume), and forms high-concentration lysine supernatant, the concentrated supernatant is poured into a crystallization tank and is stirred and crystallized, nucleation and growth rate are optimized by controlling temperature, stirring rate and other parameters, and finally, the crystal is obtained through centrifugal separation, the crystallized crystal is washed with a small amount of water after centrifugal separation, is crushed to 60-80 meshes after the water content is less than or equal to 0.1%, and is packaged into a finished product.

[0003] However, the existing lysine evaporation crystallization device has the following problems: 1. When the lysine fermentation liquor is evaporated, the impurities in the fermentation liquor are difficult to remove, so that the purity of the lysine crystal obtained through subsequent stirring is low.

[0004] 2. After lysine is stirred and crystallized, the machine needs to be stopped to take out the lysine crystal, and after the lysine crystal is taken out, the air in the crystallization tank is extracted through an air extractor, and then the subsequent lysine can be stirred and crystallized again, thereby reducing the work efficiency.

[0005] The application aims to solve the technical problems in the prior art, and provides a lysine evaporation crystallization device. SUMMARY

[0006] The application aims to solve the technical problems in the prior art, and provides a lysine evaporation crystallization device.

[0007] To achieve the above-mentioned purpose, the application provides the following technical scheme:

[0008] A lysine evaporation crystallization device, comprising a stirring and crystallization device, one side of the stirring and crystallization device is provided with a centrifugal separation equipment, the centrifugal separation equipment is used for centrifugal separation of lysine crystal, one side of the stirring and crystallization device is provided with a cold and hot exchange equipment, one side of the stirring and crystallization device is fixedly connected with an evaporation and concentration device, and the evaporation and concentration device is connected with the cold and hot exchange equipment.

[0009] The stirring crystallization device is rotatably connected with a transmission mechanism on one side, the transmission mechanism extends into the stirring crystallization device and is engaged with the stirring crystallization device, the stirring crystallization device is rotatably connected with an intermittent device, the intermittent device is matched with the transmission mechanism, the evaporation and concentration device is provided with a feeding device on the other end, the intermittent device extends into the feeding device and is fixedly connected with the feeding device, and the feeding device is used for conveying, filtering and impurity removing of the lysine fermentation liquor.

[0010] The stirring crystallization device is rotatably connected with a transmission mechanism on one side, the transmission mechanism extends into the stirring crystallization device and is engaged with the stirring crystallization device, the stirring crystallization device is rotatably connected with an intermittent device, the intermittent device is matched with the transmission mechanism, the evaporation and concentration device is provided with a feeding device on the other end, the intermittent device extends into the feeding device and is fixedly connected with the feeding device, and the feeding device is used for conveying, filtering and impurity removing of the lysine fermentation liquor.

[0011] As a further scheme of the present application, the stirring crystallization device comprises a stirring box, a partition plate is fixedly connected inside the stirring box, a driving motor is arranged on one side of the stirring box, a driving shaft is fixedly connected to one end of the driving motor, the driving shaft penetrates through the partition plate and is rotatably connected with the partition plate, a driving gear is arranged on the cylindrical surface of the driving shaft, the driving gear is located on the right side of the partition plate, the driving gear is engaged with the transmission mechanism, a plurality of stirring rods are fixedly connected to the cylindrical surface of the driving gear, the stirring rods are located on the left side of the partition plate, a discharge slot is arranged on one side of the stirring box, and the stirring box is connected with the material taking device through the discharge slot.

[0012] As a further scheme of the present application, the transmission mechanism comprises a transmission shaft, the transmission shaft is rotatably connected with the stirring box, a transmission gear is fixedly connected to one end of the transmission shaft, the transmission gear is located in the stirring box and is engaged with the driving gear, the other end of the transmission shaft is fixedly connected with a crank, the other end is provided with a crank, the crank is matched with the intermittent device, a disc is fixedly connected to the cylindrical surface of the transmission shaft, a poking rod is fixedly connected to one side of the disc, a limiting block is fixedly connected to the cylindrical surface of the transmission shaft, and the poking rod and the limiting block are matched with the intermittent device.

[0013] As a further scheme of the present application, the transmission mechanism comprises a transmission shaft, the transmission shaft is rotatably connected with the stirring box, a transmission gear is fixedly connected to one end of the transmission shaft, the transmission gear is located in the stirring box and is engaged with the driving gear, the other end of the transmission shaft is fixedly connected with a crank, the other end is provided with a crank, the crank is matched with the intermittent device, a disc is fixedly connected to the cylindrical surface of the transmission shaft, a poking rod is fixedly connected to one side of the disc, a limiting block is fixedly connected to the cylindrical surface of the transmission shaft, and the poking rod and the limiting block are matched with the intermittent device.

[0014] As a further scheme of the present application: the feeding device comprises a feeding box, a conveying disc is arranged in the feeding box, the conveying disc is rotatably connected with the feeding box, the conveying disc is fixedly connected with a driven shaft, a plurality of conveying cavities are formed in the conveying disc, a mounting plate is fixedly connected with one side of the feeding box, a filter screen is arranged on one side of the mounting plate, the filter screen is used for filtering the lysine fermentation liquor, a connecting rod is fixedly connected with one end of the mounting plate, the connecting rod is fixedly connected with a moving plate at the other end, a dreg discharging port is formed in the feeding box, and the feeding box is connected with the evaporation and concentration device.

[0015] As a further scheme of the present application: the evaporation and concentration device comprises a heating tank, the heating tank is fixedly connected with the stirring box, an evaporation tank is arranged in the heating tank, a connecting pipe is arranged at one end of the evaporation tank, the connecting pipe is communicated with the stirring box, a feeding pipe is arranged at the other end of the evaporation tank, the feeding pipe is communicated with the feeding box, the feeding pipe is located below the filter screen, a waste gas discharge pipe is fixedly connected with one end of the evaporation tank, and the other end of the waste gas discharge pipe is connected with the heat exchange equipment.

[0016] As a further scheme of the present application: the feeding device comprises a mounting frame rocker and a rocker, the mounting frame rocker is fixedly connected with the stirring box, a conveying pipe is arranged on one side of the mounting frame rocker, the conveying pipe is rotatably connected with the stirring box, a connecting groove is formed in one side of the conveying pipe, the conveying pipe is communicated with the stirring box through the connecting groove and a discharging groove, a discharging port is formed in one side of the conveying pipe, the conveying pipe is communicated with the centrifugal separation equipment through the discharging port, a gear slot is formed in one side of the conveying pipe, a servo motor is fixedly connected with one side of the mounting frame rocker, a rotating shaft is fixedly connected with one end of the servo motor, the rotating shaft extends into the conveying pipe, helical blades are arranged on the cylindrical surface of the rotating shaft, the rocker is rotatably connected with the mounting frame rocker, and a gear wheel is fixedly connected with one end of the rocker, the gear wheel is located in the gear slot and is engaged with the gear slot.

[0017] Compared with the prior art, the present application has the following advantages: 1. When the driving motor is started, the driving motor drives the transmission mechanism to rotate through the driving gear, the transmission mechanism drives the intermittent device to rotate intermittently, and the intermittent device drives the conveying disc to rotate, that is, the conveying disc conveys the lysine fermentation liquor through the conveying cavities, wherein when the conveying cavities are communicated with the feeding pipe, the lysine fermentation liquor enters the evaporation tank through the feeding pipe for evaporation and concentration, and when the conveying cavities are disconnected with the feeding pipe, the conveying disc closes the feeding pipe to ensure that the vacuum degree in the evaporation tank is MPa, and at the same time, when the lysine fermentation liquor enters the evaporation tank through the feeding pipe, the filter screen filters the lysine fermentation liquor to avoid the influence of impurities on the evaporation and concentration of the lysine fermentation liquor and subsequent stirring and crystallization.

[0018] 2, the stirring crystallization device is used for stirring and crystallizing the concentrated lysine liquid, the taking device is rotated after the lysine liquid is stirred and crystallized, the taking device is rotated by the servo motor to drive the conveying pipe, that is, the conveying pipe drives the connecting groove to rotate above the conveying pipe, at the same time, the conveying pipe drives the discharge port to rotate below the conveying pipe, so that the centrifugal separation equipment, the discharge port, the conveying pipe, the connecting groove, the discharge groove and the stirring box are communicated, that is, the lysine crystal in the stirring box enters the conveying pipe and is then conveyed by the spiral blade, on the contrary, the conveying pipe drives the connecting groove to rotate below the conveying pipe, the conveying pipe blocks the discharge groove, the conveying pipe drives the discharge port to rotate above the conveying pipe, the stirring box blocks the conveying pipe, so that the outside air is prevented from entering the stirring box to affect the lysine stirring crystallization. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural schematic view of a lysine evaporation crystallization device.

[0020] Figure 2 It is a structural schematic view of a lysine evaporation crystallization device. Figure 1 Front view and sectional view.

[0021] Figure 3 It is a structural schematic view of a lysine evaporation crystallization device.

[0022] Figure 4 It is a structural schematic view of a lysine evaporation crystallization device.

[0023] Figure 5 It is a structural schematic view of a lysine evaporation crystallization device.

[0024] Figure 6 It is a structural schematic view of a lysine evaporation crystallization device.

[0025] Figure 7 It is a side view of a lysine evaporation crystallization device.

[0026] 1-stirring crystallization device, 2-heat exchange device, 3-feeding device, 4-transmission mechanism, 5-intermittent device, 6-evaporation concentration device, 7-removal device, 8-centrifugal separation equipment, stirring tank 101-stirring tank, drive motor 102-drive motor, 13-drive gear, 104-drive shaft, 105-partition, 106-stirring rod, 107-discharge chute, 301-feeding tank, 302-filter screen, 303-mounting plate, 304-connecting rod, 305-impurity discharge port, 306-conveying cavity, 307-conveying disc, 401-drive gear, 402-drive shaft, 403-rotating disc, 404-crank, 405-limiting block, 406-pushing rod, 407-disc, 501-driven shaft, 502-supporting block, 503-moving plate, 504-slotted guide, 505-clamping slot, 506-follower, 507-force receiving slot, 508-limiting slot, 601-heating tank, 602-evaporation tank, 603-connecting pipe, 604-feeding pipe, 605-waste gas discharge pipe, 701-rocker, 702-servo motor, 703-gear, 704-rotating shaft, 705-spiral blade, 706-conveying pipe, 707-connection groove, 708-discharge port, 709-toothed groove, 7010-mounting frame. DETAILED DESCRIPTION

[0027] Embodiments of the present application are described in detail below with reference to the attached drawing figures, wherein the same or like reference numerals and characters throughout the figures denote the same or like components or elements having the same or similar functions. The embodiments described below are exemplary and intended to provide an explanation of the present application and are not intended to restrict the present application.

[0028] The following disclosure provides many different embodiments, or examples, for implementing different structures of the present application. For the purpose of simplicity, the elements and settings of the particular examples below are described in some detail. Of course, they are merely examples and are intended to provide an explanation of the application. Further, the application can be repeated with different examples and / or settings. Such repetition is expressly intended to be within the scope of the present application.

[0029] Please refer to Figures 1-7 In the embodiments of the present application, a lysine evaporation crystallization device comprises a stirring crystallization device 1, one side of the stirring crystallization device 1 is provided with a centrifugal separation equipment 8, the centrifugal separation equipment 8 is used for centrifugal separation of lysine crystallization, one side of the stirring crystallization device 1 is provided with a cold and hot exchange equipment 2, one side of the stirring crystallization device 1 is fixedly connected with an evaporation concentration device 6, the evaporation concentration device 6 is connected with the cold and hot exchange equipment 2;

[0030] One side of the stirred crystallization device 1 is rotatably connected to a transmission mechanism 4, one end of the transmission mechanism 4 extends into the stirred crystallization device 1 and engages with the stirred crystallization device 1, the stirred crystallization device 1 is rotatably connected to an intermittent device 5, the intermittent device 5 cooperates with the transmission mechanism 4, and the other end of the evaporation concentration device 6 is provided with a feeding device 3, one end of the intermittent device 5 extends into the feeding device 3 and is fixedly connected to the feeding device 3, and the feeding device 3 is used to transport, filter and remove impurities from the lysine fermentation liquid;

[0031] A material taking device 7 is provided on one side of the stirred crystallization device 1 , and the material taking device 7 is used to take out the lysine crystals after stirred crystallization in the stirred crystallization device 1 .

[0032] See also Figures 1-2 The stirring crystallization device 1 includes a stirring box 101, a partition 105 is fixedly connected to the inside of the stirring box 101, a driving motor 102 is provided on one side of the stirring box 101, and one end of the driving motor 102 is fixedly connected to a driving shaft 104, the driving shaft 104 passes through the partition 105 and is in rotational contact with the partition 105, and a driving gear 103 is provided on the cylindrical surface of the driving shaft 104, the driving gear 103 is located on the right side of the partition 105, the driving gear 103 is engaged with the transmission mechanism 4, and a plurality of stirring rods 106 are fixedly connected to the cylindrical surface of the driving gear 103, and the stirring rods 106 are located on the left side of the partition 105. A discharge trough 107 is provided on one side of the stirring box 101, and the stirring box 101 is connected to the material taking device 7 through the discharge trough 107.

[0033] See also Figure 1 、 Figure 2 and Figure 5 The transmission mechanism 4 includes a transmission shaft 402, which is rotatably connected to the mixing box 101. One end of the transmission shaft 402 is fixedly connected to a transmission gear 401, which is located in the mixing box 101 and meshes with the driving gear 103. The other end of the transmission shaft 402 is fixedly connected to 403, and a crank 404 is provided at the other end of 403. The crank 404 cooperates with the intermittent device 5. The cylindrical surface of the transmission shaft 402 is fixedly connected to a disc 407, and one side of the disc 407 is fixedly connected to a toggle rod 406. The cylindrical surface of the transmission shaft 402 is fixedly connected to a limit block 405, and the toggle rod 406 and the limit block 405 both cooperate with the intermittent device 5.

[0034] See also Figure 1 、 Figure 4 and Figure 5The intermittent device 5 includes a driven shaft 501 and a moving plate 503, the driven shaft 501 is rotationally connected with the stirring box 101, the driven shaft 501 is fixedly connected with a driven part 506 in a cylindrical surface, the driven part 506 is provided with a stress slot 507 in a cylindrical surface, the stress slot 507 is matched with the pushing rod 406, the driven part 506 is provided with a limiting slot 508 in a cylindrical surface, the limiting slot 508 is matched with the limiting block 405, the moving plate 503 is provided with a clamping slot 505, the driven shaft 501 penetrates through the clamping slot 505 and is in sliding contact with the moving plate 503, the driven shaft 501 is fixedly connected with a supporting block 502 in a cylindrical surface, the supporting block 502 is used for supporting the moving plate 503, one side of the moving plate 503 is provided with a sliding groove 504, the other end of the crank 404 extends into the sliding groove 504 and is in sliding contact with the moving plate 503, and the other end of the driven shaft 501 is fixedly connected with the feeding device 3.

[0035] Please refer to Figure 1 and Figure 3 The feeding device 3 includes a feeding box 301, the feeding box 301 is internally provided with a conveying disc 307, the conveying disc 307 is rotationally connected with the feeding box 301, the conveying disc 307 is fixedly connected with the driven shaft 501, the conveying disc 307 is internally provided with a plurality of conveying cavities 306, one side of the feeding box 301 is fixedly connected with a mounting plate 303, one side of the mounting plate 303 is provided with a filter screen 302, the filter screen 302 is used for filtering the lysine fermentation liquor, one end of the mounting plate 303 is fixedly connected with a connecting rod 304, the other end of the connecting rod 304 is fixedly connected with the moving plate 503, the feeding box 301 is provided with a dreg discharge port 305, and the feeding box 301 is connected with the evaporation and concentration device 6.

[0036] Please refer to Figures 1-2 The evaporation and concentration device 6 includes a heating tank 601, the heating tank 601 is fixedly connected with the stirring box 101, the heating tank 601 is internally provided with an evaporation tank 602, one end of the evaporation tank 602 is provided with a connecting pipe 603, the connecting pipe 603 is in communication with the stirring box 101, the other end of the evaporation tank 602 is provided with a feeding pipe 604, the feeding pipe 604 is in communication with the feeding box 301, the feeding pipe 604 is located below the filter screen 302, one end of the evaporation tank 602 is fixedly connected with a waste gas discharge pipe 605, and the other end of the waste gas discharge pipe 605 is connected with the cold and heat exchange equipment 2.

[0037] Please refer to Figure 1 , Figure 2 , Figure 6 and Figure 7The taking device 7 comprises a mounting bracket rocker 7010 and a rocker 701, the mounting bracket rocker 7010 is fixedly connected with the stirring box 101, one side of the mounting bracket rocker 7010 is provided with a conveying pipe 706, the conveying pipe 706 is rotatably connected with the stirring box 101, one side of the conveying pipe 706 is provided with a connecting groove 707, the conveying pipe 706 is communicated with the stirring box 101 through the connecting groove 707 and the discharging groove 107, one side of the conveying pipe 706 is provided with a discharging opening 708, the conveying pipe 706 is communicated with the centrifugal separation equipment 8 through the discharging opening 708, one side of the conveying pipe 706 is provided with a gear slot 709, one side of the mounting bracket rocker 7010 is fixedly connected with a servo motor 702, one end of the servo motor 702 is fixedly connected with a rotating shaft 704, the rotating shaft 704 extends into the conveying pipe 706, the cylindrical surface of the rotating shaft 704 is provided with a spiral blade 705, the rocker 701 is rotatably connected with the mounting bracket rocker 7010, one end of the rocker 701 is fixedly connected with a gear 703, the gear 703 is located in the gear slot 709 and is engaged with the gear slot 709.

[0038] The working principle of the present application is: when the device is used, the driving motor 102 is started, the driving motor 102 controls the rotation of the driving shaft 104, the driving shaft 104 drives the rotation of the driving gear 103, the driving gear 103 drives the rotation of the transmission shaft 402 through the transmission gear 401, the transmission shaft 402 drives the rotation of the disc 407, the disc 407 drives the rotation of the push rod 406 and the limiting block 405, when the push rod 406 rotates by a certain angle, the push rod 406 enters the stress groove 507, at the same time, the limiting block 405 exits the limiting groove 508 to cancel the limiting of the driven part 506, then with the continuous rotation of the transmission shaft 402, the push rod 406 drives the rotation of the driven part 506 through the stress groove 507, when the push rod 406 exits the stress groove 507, the limiting block 405 enters the limiting groove 508 again to stop the rotation of the driven part 506, that is, to ensure the intermittent rotation of the driven part 506, the driven part 506 drives the intermittent rotation of the conveying disc 307 through the driven shaft 501, that is, the conveying disc 307 drives the rotation of the conveying cavity 306 to convey the lysine fermentation liquid, wherein when the conveying cavity 306 rotates to the fixed position and the conveying cavity 306 is communicated with the feed pipe 604, the lysine fermentation liquid enters the evaporation tank 602 through the feed pipe 604 to evaporate and concentrate, when the conveying cavity 306 is disconnected with the feed pipe 604, the conveying disc 307 closes the feed pipe 604, ensuring that the vacuum degree in the evaporation tank 602 is 0.8MPa, and when the lysine fermentation liquor enters the evaporation tank 602 through the feeding pipe 604, the filter screen 302 filters the lysine fermentation liquor to avoid impurities affecting the evaporation concentration and subsequent stirring crystallization of the lysine fermentation liquor. When the transmission shaft 402 rotates, the transmission shaft 402 drives the crank 404 to rotate through the transmission shaft 402, and the crank 404 drives the moving plate 503 to perform a crank slider block motion through the chute 504, that is, the moving plate 503 vibrates left and right, and the moving plate 503 drives the mounting plate 303 and the filter screen 302 to vibrate left and right through the connecting rod 304, thereby improving the filtering effect. The lysine clear liquor after evaporation concentration enters the stirring box 101 from the evaporation tank 602 through the connecting pipe 603, and the driving shaft 104 drives the stirring rod 106 to rotate to stir and crystallize the lysine clear liquor. When the lysine clear liquor is stirred and crystallized, the rocking rod 701 is rotated, the rocking rod 701 drives the gear 703 to rotate, the gear 703 drives the conveying pipe 706 to rotate through the gear groove 709, that is, the conveying pipe 706 drives the connecting groove 707 to rotate above the conveying pipe 706, and at the same time, the conveying pipe 706 drives the discharge port 708 to rotate below the conveying pipe 706, so that the centrifugal separation equipment 8, the discharge port 708, the conveying pipe 706, the connecting groove 707, the discharge groove 107 and the stirring box 101 are communicated, that is, the lysine crystals in the stirring box 101 enter the conveying pipe 706, and then the servo motor 702 controls the rotating shaft 704 to rotate, and the rotating shaft 704 drives the spiral blade 705 to rotate to convey the lysine crystals. Conversely, the conveying pipe 706 drives the connecting groove 707 to rotate below the conveying pipe 706, and the conveying pipe 706 blocks the discharge groove 107, the conveying pipe 706 drives the discharge port 708 to rotate above the conveying pipe 706, and the stirring box 101 blocks the conveying pipe 706, so as to avoid the external air entering the stirring box 101 to affect the stirring and crystallization of the lysine.

[0039] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. In addition, the person skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples without contradiction.

[0040] While embodiments of the application have been shown and described, it is to be understood that the embodiments described are merely divergences of the principles and application of the present application and that numerous modifications, changes, substitutions, and alterations can be made thereto without departing from the spirit and scope of the present application, which is defined by the following claims and their equivalents.

Claims

1. A lysine evaporation crystallization device, comprising a stirring crystallization device, characterized in that: A centrifugal separation device is provided on one side of the stirred crystallization device, the centrifugal separation device is used to centrifuge lysine crystals, a heat exchange device is provided on one side of the stirred crystallization device, and an evaporation concentration device is fixedly connected to one side of the stirred crystallization device, and the evaporation concentration device is connected to the heat exchange device; One side of the stirred crystallization device is rotatably connected to a transmission mechanism, one end of the transmission mechanism extends into the stirred crystallization device and engages with the stirred crystallization device, the stirred crystallization device is rotatably connected to an intermittent device, the intermittent device cooperates with the transmission mechanism, and the other end of the evaporation and concentration device is provided with a feeding device, one end of the intermittent device extends into the feeding device and is fixedly connected to the feeding device, and the feeding device is used to transport, filter and remove impurities from the lysine fermentation liquid; A material taking device is provided on one side of the stirred crystallization device, and the material taking device is used to take out the lysine crystals after stirred crystallization in the stirred crystallization device.

2. A lysine evaporation crystallization device according to claim 1, characterized in that, The stirring crystallization device includes a stirring box, a partition is fixedly connected to the inside of the stirring box, a driving motor is provided on one side of the stirring box, one end of the driving motor is fixedly connected to a driving shaft, the driving shaft passes through the partition and is in rotational contact with the partition, a driving gear is provided on the cylindrical surface of the driving shaft, the driving gear is located on the right side of the partition, the driving gear is meshed with the transmission mechanism, a plurality of stirring rods are fixedly connected to the cylindrical surface of the driving gear, the stirring rods are located on the left side of the partition, a discharging trough is provided on one side of the stirring box, and the stirring box is connected to the material taking device through the discharging trough.

3. A lysine evaporation crystallization device according to claim 2, characterized in that, The transmission mechanism includes a transmission shaft, which is rotatably connected to the mixing box. One end of the transmission shaft is fixedly connected to a transmission gear, which is located in the mixing box and meshes with the driving gear. The other end of the transmission shaft is fixedly connected to a crank, which cooperates with the intermittent device. The cylindrical surface of the transmission shaft is fixedly connected to a disc, and a toggle rod is fixedly connected to one side of the disc. The cylindrical surface of the transmission shaft is fixedly connected to a limit block, and the toggle rod and the limit block both cooperate with the intermittent device.

4. A lysine evaporation crystallization device according to claim 3, characterized in that, The intermittent device includes a driven shaft and a movable plate, the driven shaft is rotatably connected to the mixing box, the cylindrical surface of the driven shaft is fixedly connected to a driven member, the cylindrical surface of the driven member is provided with a force groove, the force groove cooperates with the toggle rod, the cylindrical surface of the driven member is provided with a limit groove, the limit groove cooperates with the limit block, the movable plate is provided with a slot, the driven shaft passes through the slot and is in sliding contact with the movable plate, the cylindrical surface of the driven shaft is fixedly connected to a support block, the support block is used to support the movable plate, a slide groove is provided on one side of the movable plate, the other end of the crank extends into the slide groove and is in sliding contact with the movable plate, and the other end of the driven shaft is fixedly connected to the feeding device.

5. A lysine evaporation crystallization device according to claim 4, characterized in that, The feeding device includes a feeding box, a conveying disc is provided inside the feeding box, the conveying disc is rotatably connected to the feeding box, the conveying disc is fixedly connected to the driven shaft, a plurality of conveying cavities are provided inside the conveying disc, a mounting plate is fixedly connected to one side of the feeding box, a filter screen is provided on one side of the mounting plate, the filter screen is used to filter the lysine fermentation liquid, one end of the mounting plate is fixedly connected to a connecting rod, the other end of the connecting rod is fixedly connected to the movable plate, a debris discharge port is provided in the feeding box, and the feeding box is connected to the evaporation concentration device.

6. The lysine evaporation crystallization device according to claim 5, characterized in that: The evaporation and concentration device includes a heating tank, which is fixedly connected to a stirring box. An evaporation tank is arranged inside the heating tank. A connecting pipe is provided at one end of the evaporation tank, which is connected to the stirring box. A feed pipe is provided at the other end of the evaporation tank, which is connected to the feed box. The feed pipe is located below the filter screen. An exhaust gas discharge pipe is fixedly connected to one end of the evaporation tank, and the other end of the exhaust gas discharge pipe is connected to a heat and cold exchange device.

7. A lysine evaporation crystallization device according to claim 2, characterized in that, The material taking device includes a mounting frame rocker and a rocker, the mounting frame rocker is fixedly connected to the mixing box, a conveying pipe is provided on one side of the mounting frame rocker, the conveying pipe is rotatably connected to the mixing box, a connecting groove is provided on one side of the conveying pipe, the conveying pipe is connected to the mixing box through the connecting groove and the discharge trough, a discharge port is provided on one side of the conveying pipe, the conveying pipe is connected to the centrifugal separation equipment through the discharge port, a tooth groove is provided on one side of the conveying pipe, a servo motor is fixedly connected to one side of the mounting frame rocker, a rotating shaft is fixedly connected to one end of the servo motor, the rotating shaft extends into the conveying pipe, a spiral blade is provided on the cylindrical surface of the rotating shaft, the rocker is rotatably connected to the mounting frame rocker, and a gear is fixedly connected to one end of the rocker, the gear is located in the tooth groove and meshes with the tooth groove.

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