Distillation device for producing 3-chloro-2-hydroxypropyl trimethyl ammonium chloride

Abstract

The utility model discloses a distillation device for producing 3-chloro-2-hydroxypropyl trimethyl ammonium chloride, which comprises a tank body, wherein a fixed rotating shaft is arranged on the inner wall of the upper side of the tank body, and a bearing seat is arranged in the middle of the bottom wall of the tank body; the driving mechanism comprises a driven belt wheel, a transmission belt, a driving belt and a fixed gear, the driven belt wheel is rotationally connected to the middle of the outer arc surface of the fixed rotating shaft, the driving belt wheel is rotationally connected to the right side of the inner wall of the upper side of the tank body, and the driven belt wheel is in transmission connection with the driving belt wheel through the transmission belt; fixed gears are arranged at the lower ends of the fixed rotating shafts; the distillation assisting mechanism comprises a rotating box and a center rotating rod, the rotating box is fixedly connected to the lower surface of the driven belt wheel, and the middle of the upper side wall of the rotating box is rotationally connected with the outer arc surface of the fixed rotating shaft. The problems that the solution is heated unevenly and dry powder adheres to the tank wall in the distillation process are effectively solved.

Description

Technical Field

[0001] The utility model relates to the technical field of 3-chloro-2-hydroxypropyltrimethylammonium chloride, in particular to a distillation device for producing 3-chloro-2-hydroxypropyltrimethylammonium chloride. Background Art

[0002] 3-Chloro-2-hydroxypropyltrimethylammonium chloride is a chemical substance. After cyanidation and hydrolysis, it can be obtained as chloride (γ-trimethylammonium-β-hydroxybutyric acid). This is a drug used to treat digestive organ dysfunction, also known as vitamin BT. The existing production of 3-chloro-2-hydroxypropyltrimethylammonium chloride requires distillation to obtain powder. In order to improve the yield and make the reactants as completely converted and utilized as possible, the existing distillation device needs to be stirred and distilled. The existing evaporation method has the problem of uneven heating and dry powder sticking to the container wall. For this reason, we propose a distillation device for the production of 3-chloro-2-hydroxypropyltrimethylammonium chloride. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the existing defects and provide a distillation device for the production of 3-chloro-2-hydroxypropyltrimethylammonium chloride, which effectively solves the problems of uneven heating of the solution and adhesion of the dry powder to the tank wall, and can effectively solve the problems in the background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a distillation device for producing 3-chloro-2-hydroxypropyltrimethylammonium chloride, comprising a tank body, a driving mechanism and a distillation auxiliary mechanism;

[0005] Tank body: A fixed rotating shaft is arranged on the inner wall of the upper side, and a bearing seat is arranged in the middle of the bottom wall of the tank body;

[0006] Driving mechanism: It includes a driven pulley, a transmission belt, a driving pulley and a fixed gear. The driven pulley is rotatably connected to the middle part of the outer arc surface of the fixed rotating shaft. The right side of the upper inner wall of the tank body is rotatably connected to the driving pulley. The driven pulley and the driving pulley are connected through the transmission belt. A fixed gear is provided at the lower end of the fixed rotating shaft.

[0007] Distillation auxiliary mechanism: It includes a rotating box and a central rotating rod. The rotating box is fixedly connected to the lower surface of the driven pulley. The middle part of the upper side wall of the rotating box is rotatably connected to the outer arc surface of the fixed rotating shaft. A central rotating rod is provided inside the bearing seat. The upper end of the central rotating rod is fixedly connected to the lower surface of the rotating box, which effectively solves the problems of uneven heating of the solution and adhesion of the dry powder to the tank wall during the distillation process.

[0008] Furthermore, it also includes a single chip microcomputer, which is arranged on the lower side of the right side of the tank body, and the input end of the single chip microcomputer is electrically connected to an external power supply to control the normal operation of the electrical appliance.

[0009] Furthermore, the distillation auxiliary mechanism also includes a rotating drum, a driven gear, a side rotating rod, a stirring plate, a central mounting frame, a scraper and a spiral blade. The rotating drum is symmetrically arranged on the lower surface of the rotating box. The internal rotation of the rotating drum is connected to the side rotating rod. The upper ends of the two side rotating rods are provided with driven gears, and the two driven gears are meshed with a fixed gear. The outer arc surfaces of the two side rotating rods are provided with evenly distributed stirring plates. The middle part of the outer arc surface of the center rotating rod is fixedly connected with a scraper through the central mounting frame, and the lower end of the outer arc surface of the center rotating rod is provided with a spiral blade to realize the stirring function.

[0010] Furthermore, the driving mechanism also includes a driving motor, which is arranged on the right side of the upper surface of the tank body. The output shaft of the driving motor is fixedly connected to the upper end of the driving pulley, and the input end of the driving motor is electrically connected to the output end of the single-chip microcomputer to provide power for stirring.

[0011] Furthermore, it also includes an exhaust port, which is arranged at the upper left end of the tank body. Evenly distributed feed pipes are provided on the right side of the outer arc surface of the tank body. The right ends of the feed pipes are externally connected to external feeding equipment. A pressure regulating pipe is provided on the upper surface of the tank body. The upper end of the pressure regulating pipe is externally connected to the external pressure regulating equipment. A discharge pipe is provided at the bottom end of the tank body. The front end of the discharge pipe is externally connected to a material collecting device. A discharge valve is connected in series in the middle of the discharge pipe. The input end of the discharge valve is electrically connected to the output end of the single-chip microcomputer to realize the function of inputting and discharging working materials.

[0012] Furthermore, it also includes a PH sensor, which is arranged in the middle of the left side of the tank body, a temperature sensor is provided on the front side of the tank body, and a heating plate is provided on the outer arc surface of the tank body. The measuring ends of the PH sensor and the temperature sensor both extend to the interior of the tank body. The PH sensor and the temperature sensor are respectively electrically connected to the single-chip microcomputer in both directions, and the input end of the heating plate is electrically connected to the output end of the single-chip microcomputer to realize the function of measuring temperature and PH value.

[0013] Furthermore, it also includes a supporting leg, which is arranged at the lower end of the tank body to realize the function of the supporting device.

[0014] Compared with the prior art, the utility model has the following beneficial effects: the distillation device for producing 3-chloro-2-hydroxypropyltrimethylammonium chloride has the following advantages:

[0015] During the distillation period, the single chip microcomputer is regulated to drive the motor to operate. The output shaft of the drive motor rotates to drive the drive pulley to rotate, and then the driven pulley is driven to rotate through the transmission belt, and then the rotating box is driven to rotate. At this time, the central rotating rod can be driven to rotate, and then the scraper is driven to scrape the residue on the tank wall through the central mounting frame. At the same time, the two driven gears are driven to rotate through the fixed gear, and then the side rotating rods are driven to rotate in the drum, and then the stirring plate is driven to revolve and rotate at the same time. While stirring slowly, it also evaporates in real time to prevent the uneven distribution of chloro-hydroxypropyltrimethylammonium chloride in the concentrated solution. In the production and distillation process of 3-chloro-2-hydroxypropyltrimethylammonium chloride, the stirring method is used to effectively solve the problems of uneven heating of the solution and adhesion of the dry powder to the tank wall during the distillation process. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the driving mechanism and the distillation auxiliary mechanism of the utility model;

[0018] Figure 3 This is a schematic diagram of the local structure of the driving mechanism of the utility model;

[0019] Figure 4 It is a schematic diagram of the planar structure of the distillation auxiliary mechanism of the utility model.

[0020] In the figure: 1 tank body, 2 driving mechanism, 21 driven pulley, 22 transmission belt, 23 driving pulley, 24 driving motor, 25 fixed gear, 3 distillation auxiliary mechanism, 31 rotating box, 32 rotating drum, 33 driven gear, 34 side rotating rod, 35 stirring plate, 36 center mounting frame, 37 scraper, 38 center rotating rod, 39 spiral sheet, 4 bearing seat, 5 exhaust port, 6 feeding pipe, 7 single chip microcomputer, 8 PH sensor, 9 temperature sensor, 10 supporting leg, 11 heating plate, 12 discharging pipe, 13 discharging valve, 14 pressure regulating pipe. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0022] See also Figure 1-4, this embodiment provides a technical solution: a distillation device for producing 3-chloro-2-hydroxypropyltrimethylammonium chloride, comprising a tank body 1, a driving mechanism 2 and a distillation auxiliary mechanism 3;

[0023] Tank body 1: A fixed rotating shaft is arranged on the inner wall of the upper side thereof, a bearing seat 4 is arranged in the middle of the bottom wall of the tank body 1, and a single chip microcomputer 7 is also included, which is arranged on the lower side of the right side of the tank body 1, and the input end of the single chip microcomputer 7 is electrically connected to an external power supply, and an exhaust port 5 is also included, and the exhaust port 5 is arranged on the upper end of the left side of the tank body 1, and evenly distributed feed pipes 6 are arranged on the right side of the outer arc surface of the tank body 1, and the right ends of the feed pipes 6 are externally connected to external feeding equipment, a pressure regulating pipe 14 is arranged on the upper surface of the tank body 1, and the upper end of the pressure regulating pipe 14 is externally connected to an external pressure regulating equipment, and a discharge pipe 12 is arranged at the bottom end of the tank body 1, and the front end of the discharge pipe 12 is externally connected to a material collecting The device includes a discharge valve 13 connected in series in the middle of the discharge pipe 12, the input end of the discharge valve 13 is electrically connected to the output end of the single-chip microcomputer 7, and also includes a PH sensor 8, which is arranged in the middle of the left side of the tank body 1, and a temperature sensor 9 is arranged on the front side of the tank body 1, and a heating plate 11 is arranged on the outer arc surface of the tank body 1. The measuring ends of the PH sensor 8 and the temperature sensor 9 extend to the inside of the tank body 1, and the PH sensor 8 and the temperature sensor 9 are respectively and bidirectionally electrically connected to the single-chip microcomputer 7, and the input end of the heating plate 11 is electrically connected to the output end of the single-chip microcomputer 7. It also includes a support leg 10, which is arranged at the lower end of the tank body 1. During the production of 3-chloro-2-hydroxypropyltrimethylammonium chloride, the external feeding device can be regulated to discharge the trimethylamine hydrochloride solution into the tank body 1 through the feeding pipe 6. At this time, the single chip computer 7 can be regulated to operate the PH sensor 8. The PH sensor 8 measures the internal PH value of the tank body 1 in real time to control the PH value of the trimethylamine solution between 8.60 and 8.70. At this time, the single chip computer 7 can be regulated to operate the temperature sensor 9. The temperature sensor 9 measures the temperature inside the tank body 1. The temperature inside the tank body 1 is controlled at 10 to 12° C. At this time, the external feeding device can be regulated to drip epichlorohydrin into the tank body 1. The solution is added for three hours, and the temperature is kept at 10-12°C for one hour. At this time, the single chip microcomputer 7 and the heating plate 11 can be controlled to operate, and the temperature inside the tank body 1 is heated to 35°C in cooperation with the temperature sensor 9. The temperature is kept at 35-40°C for two hours, and then the synthetic liquid is introduced into the tank body 1, and a predetermined amount of water is added thereto for dilution. After the dilution is completed, the external pressure regulating device is adjusted to adjust the pressure inside the tank body 1. At this time, the heating plate 11 adjusts the temperature inside the tank body 1 to 45-50°C, and the distillation operation is carried out. The generated hot steam is discharged to the outside of the device through the exhaust port 5;

[0024] Driving mechanism 2: It includes a driven pulley 21, a transmission belt 22, a driving pulley 23 and a fixed gear 25. The driven pulley 21 is rotatably connected to the middle part of the outer arc surface of the fixed shaft. The driving pulley 23 is rotatably connected to the right side of the upper inner wall of the tank body 1. The driven pulley 21 and the driving pulley 23 are connected through the transmission belt 22. The lower end of the fixed shaft is provided with a fixed gear 25. The driving mechanism 2 also includes a driving motor 24. The driving motor 24 is arranged on the right side of the upper surface of the tank body 1. The output shaft of the driving motor 24 is fixedly connected to the upper end of the driving pulley 23. The input end of the driving motor 24 is electrically connected to the output end of the single-chip computer 7. During the distillation period, the single-chip computer 7 is regulated to operate the driving motor 24. The output shaft of the driving motor 24 rotates to drive the driving pulley 23 to rotate, and then drives the driven pulley 21 to rotate through the transmission belt 22.

[0025] The distillation auxiliary mechanism 3 includes a rotating box 31 and a central rotating rod 38. The rotating box 31 is fixedly connected to the lower surface of the driven pulley 21. The middle part of the upper side wall of the rotating box 31 is rotatably connected to the outer arc surface of the fixed rotating shaft. The bearing seat 4 is provided with a central rotating rod 38 inside. The upper end of the central rotating rod 38 is fixedly connected to the lower surface of the rotating box 31. The distillation auxiliary mechanism 3 also includes a rotating drum 32, a driven gear 33, a side rotating rod 34, a stirring plate 35, a central mounting frame 36, a scraper 37 and a spiral sheet 39. The rotating drum 32 is symmetrically arranged on the lower surface of the rotating box 31. The inside of the rotating drum 32 is rotatably connected with the side rotating rods 34. The upper ends of the two side rotating rods 34 are provided with driven gears 33. The two driven gears 33 are meshed with a fixed gear 25. The outer arc surfaces of the two side rotating rods 34 are provided with evenly distributed stirring plates 35. The middle part of the outer arc surface of the central rotating rod 38 is fixedly connected with a scraper through the central mounting frame 36. The central rotating rod 38 is provided with a spiral piece 39 at the lower end of the outer arc surface, and the central rotating rod 38 has a central axis coincident with the central axis of the fixed rotating shaft. The central mounting frame 36 and the scraper 37 are designed to be mutually staggered with the side rotating rod 34 and the stirring plate 35. The rotating box 31 rotates, and the central rotating rod 38 can be driven to rotate at this time, and then the scraper 37 is driven by the central mounting frame 36 to scrape the residue on the wall of the tank body 1, and at the same time, the two driven gears 33 are driven to rotate through the fixed gear 25, and then the side rotating rod 34 is driven to rotate in the rotating drum 32, and then the stirring plate 35 is driven to revolve and rotate at the same time, and the evaporation is carried out in real time while slowly stirring, so as to prevent the 3-chloro-2-hydroxypropyltrimethylammonium chloride of the concentrated solution from being unevenly distributed. After the evaporation is completed, the single chip microcomputer 7 is regulated, and the discharge valve 13 is operated to discharge the distilled 3-chloro-2-hydroxypropyltrimethylammonium chloride powder to the outside of the device through the discharge pipe 12.

[0026] The working principle of a distillation device for producing 3-chloro-2-hydroxypropyltrimethylammonium chloride provided by the utility model is as follows: when the production operation of 3-chloro-2-hydroxypropyltrimethylammonium chloride is required, the external feeding equipment can be regulated to discharge the trimethylamine hydrochloride solution into the interior of the tank body 1 through the feeding pipe 6. At this time, the single-chip microcomputer 7 and the pH sensor 8 can be regulated to operate. The pH sensor 8 measures the internal pH value of the tank body 1 in real time to control the pH value of the trimethylamine solution between 8.60 and 8.70. At this time, the single-chip microcomputer 7 and the temperature sensor 9 can be regulated to operate. Sensor 9 measures the temperature inside the tank 1. The temperature inside the tank 1 is controlled at 10-12°C. At this time, the external feeding equipment can be adjusted to drip epichlorohydrin solution into the tank 1. The dripping process takes three hours. Keep it warm at 10-12°C for one hour. At this time, the single-chip computer 7 and the heating plate 11 can be adjusted to operate, and the temperature sensor 9 is used to heat the temperature inside the tank 1 to 35°C. Keep it warm at 35-40°C for two hours. Then, the synthetic liquid is passed into the tank 1, and a predetermined amount of water is added to dilute it. After the dilution is completed, At this time, the external pressure regulating device is adjusted to adjust the pressure in the tank body 1. At this time, the heating plate 11 adjusts the temperature inside the tank body 1 to 45-50°C to perform distillation operation. The generated hot steam is discharged to the outside of the device through the exhaust port 5. During the distillation, the single-chip microcomputer 7 is regulated to drive the motor 24 to operate. The output shaft of the drive motor 24 rotates to drive the drive pulley 23 to rotate, and then drives the driven pulley 21 to rotate through the transmission belt 22, and then drives the rotating box 31 to rotate. At this time, the central rotating rod 38 can be driven to rotate, and then through the central mounting frame 36 drives the scraper 37 to scrape the residue on the wall of the tank body 1, and at the same time drives the two driven gears 33 to rotate through the fixed gear 25, thereby driving the side rotating rod 34 to rotate in the rotating drum 32, thereby driving the stirring plate 35 to revolve and rotate at the same time, slowly stirring and evaporating in real time to prevent uneven distribution of 3-chloro-2-hydroxypropyltrimethylammonium chloride in the concentrated liquid. After evaporation is completed, the single-chip microcomputer 7 is controlled, and the discharge valve 13 is operated to discharge the distilled 3-chloro-2-hydroxypropyltrimethylammonium chloride powder to the outside of the device through the discharge pipe 12.

[0027] It is worth noting that the single chip microcomputer 7 disclosed in the above embodiment is specifically model S7-200, and the discharge valve 13, drive motor 24, PH sensor 8, temperature sensor 9 and heating plate 11 can be freely configured according to the actual application scenario. It is recommended to use Z644TC pneumatic ceramic single gate valve for the discharge valve 13, SG080 planetary gear reducer for the drive motor 24, SM2123M industrial online current type PH sensor for the PH sensor 8, TW2000 infrared temperature sensor for the temperature sensor 9, and conventional arc cast aluminum heating plate for the heating plate 11. The single chip microcomputer 7 controls the discharge valve 13, drive motor 24, PH sensor 8, temperature sensor 9 and heating plate 11, all of which adopt the methods commonly used in the prior art.

[0028] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A distillation apparatus for producing 3-chloro-2-hydroxypropyltrimethylammonium chloride, characterized in that: It comprises a tank body (1), a driving mechanism (2) and a distillation auxiliary mechanism (3); Tank body (1): a fixed rotating shaft is provided on the upper inner wall thereof, and a bearing seat (4) is provided in the middle of the bottom wall of the tank body (1); The driving mechanism (2) comprises a driven pulley (21), a transmission belt (22), a driving pulley (23) and a fixed gear (25), wherein the driven pulley (21) is rotatably connected to the middle portion of the outer arc surface of the fixed rotating shaft, the driving pulley (23) is rotatably connected to the right side of the upper inner wall of the tank body (1), the driven pulley (21) and the driving pulley (23) are connected to each other by a transmission belt (22), and a fixed gear (25) is provided at the lower end of the fixed rotating shaft; A distillation auxiliary mechanism (3): comprising a rotating box (31) and a central rotating rod (38), wherein the rotating box (31) is fixedly connected to the lower surface of the driven pulley (21), the middle portion of the upper side wall of the rotating box (31) is rotatably connected to the outer arc surface of the fixed rotating shaft, and a central rotating rod (38) is provided inside the bearing seat (4), and the upper end of the central rotating rod (38) is fixedly connected to the lower surface of the rotating box (31).

2. A distillation apparatus for producing 3-chloro-2-hydroxypropyltrimethylammonium chloride according to claim 1, characterized in that: It also includes a single-chip microcomputer (7), which is arranged on the lower side of the right side of the tank body (1), and the input end of the single-chip microcomputer (7) is electrically connected to an external power supply.

3. A distillation apparatus for producing 3-chloro-2-hydroxypropyltrimethylammonium chloride according to claim 1, characterized in that: The distillation auxiliary mechanism (3) further comprises a rotating drum (32), a driven gear (33), a side rotating rod (34), a stirring plate (35), a central mounting frame (36), a scraper (37) and a spiral blade (39). The rotating drum (32) is symmetrically arranged on the lower surface of the rotating box (31). The rotating drum (32) is internally rotatably connected to the side rotating rod (34). The upper ends of the two side rotating rods (34) are each provided with a driven gear (33). The two driven gears (33) are each meshingly connected to a fixed gear (25). The outer arc surfaces of the two side rotating rods (34) are provided with evenly distributed stirring plates (35). The middle part of the outer arc surface of the central rotating rod (38) is fixedly connected to the scraper (37) via the central mounting frame (36). The lower end of the outer arc surface of the central rotating rod (38) is provided with a spiral blade (39).

4. A distillation apparatus for producing 3-chloro-2-hydroxypropyltrimethylammonium chloride according to claim 2, characterized in that: The driving mechanism (2) further comprises a driving motor (24), wherein the driving motor (24) is arranged on the right side of the upper surface of the tank body (1), the output shaft of the driving motor (24) is fixedly connected to the upper end of the driving pulley (23), and the input end of the driving motor (24) is electrically connected to the output end of the single chip computer (7).

5. A distillation apparatus for producing 3-chloro-2-hydroxypropyltrimethylammonium chloride according to claim 2, characterized in that: The tank body (1) further comprises an exhaust port (5), wherein the exhaust port (5) is arranged at the upper left end of the tank body (1); uniformly distributed feed pipes (6) are arranged on the right side of the outer arc surface of the tank body (1); the right ends of the feed pipes (6) are externally connected to external feeding equipment; a pressure regulating pipe (14) is arranged on the upper surface of the tank body (1); the upper end of the pressure regulating pipe (14) is externally connected to the external pressure regulating equipment; a discharge pipe (12) is arranged at the bottom end of the tank body (1); the front end of the discharge pipe (12) is externally connected to the material collecting equipment; a discharge valve (13) is connected in series in the middle of the discharge pipe (12); the input end of the discharge valve (13) is electrically connected to the output end of the single chip computer (7).

6. A distillation apparatus for producing 3-chloro-2-hydroxypropyltrimethylammonium chloride according to claim 2, characterized in that: The tank body (1) further comprises a pH sensor (8), wherein the pH sensor (8) is arranged at the middle of the left side of the tank body (1), a temperature sensor (9) is arranged on the front side of the tank body (1), and a heating plate (11) is arranged on the outer arc surface of the tank body (1), wherein the measuring ends of the pH sensor (8) and the temperature sensor (9) both extend into the interior of the tank body (1), the pH sensor (8) and the temperature sensor (9) are respectively bidirectionally electrically connected to the single-chip microcomputer (7), and the input end of the heating plate (11) is electrically connected to the output end of the single-chip microcomputer (7).

7. A distillation apparatus for producing 3-chloro-2-hydroxypropyltrimethylammonium chloride according to claim 1, characterized in that: It also comprises a supporting leg (10), wherein the supporting leg (10) is arranged at the lower end of the tank body (1).

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