Distillation equipment for 5-hydroxymethylthiazole

Abstract

The utility model discloses distillation equipment for 5-hydroxymethylthiazole, which comprises a distillation still I, a distillation still II and a bracket, a stirring drum is arranged in a tank body, a tank cover is provided with a motor, the motor is provided with a stirring shaft, the stirring shaft is provided with a stirring paddle and a rotating frame, the tank cover is provided with a feeding pipe head, an air exhaust pipe joint and a spherical spray head, the air exhaust pipe joint is connected with a vacuum device, and the spherical spray head is connected with a vacuum pump. A heating cavity is arranged between the mixing drum and the tank body, a heater is installed in the heating cavity, a discharging connector I is arranged on the distillation kettle I, an output pipe I is installed on the discharging connector I, a circulating pipe I, a filter I and an on-off valve I are arranged on the output pipe I, a discharging connector II is arranged on the distillation kettle II, an output pipe II is installed on the discharging connector II, and a circulating pipe II, a filter II and an on-off valve III are arranged on the output pipe II. And a cooling device, a booster pump I and an on-off valve IV are arranged on the circulating pipe I and the circulating pipe II. The vacuum, heating, cooling and filtering functions are realized.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical distillation equipment, in particular to a distillation equipment for 5-hydroxymethylthiazole. Background Art

[0002] In the preparation process of 5-hydroxymethylthiazole, special distillation equipment is required.

[0003] At present, since 5-hydroxymethylthiazole needs to be purified during its preparation, vacuum, heating, cooling, filtering and other operations are required. The existing distillation equipment for 5-hydroxymethylthiazole does not integrate various functions, and its usability needs to be improved, and it cannot be completed in one go. Secondly, after distillation, some crystals will be produced, and the existing distillation equipment for 5-hydroxymethylthiazole cannot clean the inside, so it is necessary to improve it. Utility Model Content

[0004] In order to solve the problems raised in the above background technology, the utility model provides a distillation device for 5-hydroxymethylthiazole, which has vacuum, heating, cooling and filtering functions, so that the pure 5-hydroxymethylthiazole product can be purified at one time and the interior can be cleaned.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a distillation device for 5-hydroxymethylthiazole, comprising a distillation kettle I, a distillation kettle II and a bracket, wherein the distillation kettle I is arranged on the bracket, and the distillation kettle I and the distillation kettle II are respectively provided with a tank body and a tank cover, and the tank cover is fixedly installed on the tank body, and a stirring drum is arranged in the tank body, and a motor is arranged on the top of the tank cover, and the motor drives a stirring shaft, and a stirring paddle and a rotating frame are arranged on the stirring shaft, and a scraper is arranged on the rotating frame, and the scraper rotates and scrapes the inner wall of the stirring drum, and a feed pipe head, an exhaust pipe joint and a spherical nozzle are arranged on the tank cover, and a vacuum device is connected to the exhaust pipe joint, and a water supply pipe is connected to the spherical nozzle, and a side bracket is arranged on one side of the tank body, and a A water supply tank, wherein the water supply pipe leads to the bottom of the water supply tank, a heating chamber is provided between the mixing drum and the tank body, a heater is installed in the heating chamber, a discharge joint I is provided on the distillation kettle I, an output pipe I is installed on the discharge joint I, a circulation pipe I, a filter I and an opening and closing valve I are provided on the output pipe I, the circulation pipe I is connected with the tank cover, a connecting pipe is provided on the filter I, the connecting pipe is connected with the distillation kettle II, a discharge joint II is provided on the discharge joint II, an output pipe II is installed on the discharge joint II, an opening and closing valve II is provided on the discharge joint I and the discharge joint II, a circulation pipe II, a filter II and an opening and closing valve III are provided on the output pipe II, a cooling device, a booster pump I and an opening and closing valve IV are provided on the circulation pipe I and the circulation pipe II.

[0006] As a preferred embodiment of the utility model, bolts are installed between the tank body and the tank cover, the tank body is provided with an end plate, the end plate is provided with a limited slot and an outer notch, the outer wall of the mixing drum is provided with an insertion protrusion corresponding to the limited slot, and the tank cover is provided with a blocking protrusion matching the outer notch.

[0007] As a preferred embodiment of the present invention, a bottom slot is provided at the bottom of the tank body, and the bottom of the mixing drum is inserted into the bottom slot.

[0008] As a preferred embodiment of the utility model, the tank cover and the mixing drum are provided with sealing ring grooves, and sealing rings are installed in the sealing ring grooves.

[0009] As a preferred embodiment of the present invention, the spherical nozzle is provided with a plurality of nozzles.

[0010] As a preferred embodiment of the utility model, the vacuum device includes an air suction buffer tank, a vacuum pump and a vacuum filter, a support is provided at the bottom of the air suction buffer tank, a base frame is provided at the top of the side bracket, the support is fixedly installed on the base frame, an air suction hose is connected to the vacuum filter, the air suction hose is installed and connected to the air suction pipe joint, a vacuum input pipe is provided on the vacuum filter, a three-way joint and a control valve are provided on the vacuum input pipe, a buffer pipe and a down pipe are installed on the three-way joint, a pressure gauge is installed at the end of the buffer pipe, the down pipe leads to the air suction buffer tank, a vacuum suction pipe is provided on the air suction buffer tank, the vacuum suction pipe is connected to the vacuum pump, a gas filter is installed between the vacuum suction pipe and the vacuum pump, and an exhaust valve is provided at the bottom of the air suction buffer tank.

[0011] As a preferred embodiment of the present invention, a booster pump II is provided on the water supply pipe.

[0012] As a preferred embodiment of the present invention, the heater comprises a heating box, in which a heating wire is arranged, and the heating box is attached to the outer wall of the mixing drum.

[0013] As a preferred embodiment of the present invention, a filter container is provided on the filter I and the filter II, a guide slope is provided in the filter container, and a filter net is installed in a limited position in the filter container.

[0014] As a preferred embodiment of the utility model, the cooling device includes a cooling tank and a spiral cooling pipe, the spiral cooling pipe is installed in the cooling tank, and the cooling tank is provided with a liquid inlet and a liquid outlet connected to the spiral cooling pipe.

[0015] By adopting the above technical solution, the utility model has the following advantages compared with the prior art:

[0016] The utility model has a simple and reasonable structure. Firstly, the 5-hydroxymethylthiazole crude product extract is introduced into the tank body of the distillation kettle I through the feed pipe head, the on-off valve II is closed, the heater is started to heat the tank body to a required temperature, and then the vacuum device is started to evacuate the vacuum, and the low-boiling point polar solvent ethyl acetate is removed by vacuum drying to obtain a viscous 5-hydroxymethylthiazole crude product; secondly, the vacuum device is closed, a certain proportion of non-polar solvent is added through the feed pipe head, and the heater is started to heat the tank body to a required temperature, and then the stirring shaft is driven by a motor to make the stirring paddle and the rotating frame rotate synchronously for stirring to make the mixture evenly mixed, and then the on-off valve II and the on-off valve are started. The closing valve IV is opened, and the opening and closing valve I is closed, so that the viscous 5-hydroxymethylthiazole crude product inside is circulated and output through the output pipe I and the circulation pipe I, and is pressurized and output to the cooling device through the booster pump I, and is auxiliary cooled to the required temperature, and then reaches the tank cover and the tank body again. In this process, by adding an electrolyte salt accounting for 1% of the mass of the 5-hydroxymethylthiazole crude product, stirring and crystallizing, after stirring and crystallizing, the opening and closing valve II and the opening and closing valve I are started, the opening and closing valve IV is closed, and then filtered through the filter I to obtain a primary crude product; the primary crude product reaches the distillation kettle II through the connecting pipe, and a certain proportion of non-polar solvent is added to the primary crude product, and the heater is started to heat the tank body, and the addition Heat to the required temperature, then drive the stirring shaft through the motor, so that the stirring paddle and the rotating frame rotate synchronously for stirring, so that the mixture is evenly mixed, then open the on-off valve II and the on-off valve IV, close the on-off valve III, circulate and output through the output pipe I and the circulation pipe I, and output to the cooling device through the booster pump I for auxiliary cooling to the required temperature, and then return to the tank cover and tank body of the distillation kettle II. In this process, drive the stirring shaft through the motor, so that the stirring paddle and the rotating frame rotate synchronously for stirring, so that the mixture is stirred and crystallized, and filtered through the filter II, then the on-off valve II and the on-off valve IV are repeatedly opened, the on-off valve III is closed, and finally the vacuum device is started for The vacuum is evacuated, and the non-polar solvent is dried by vacuum decompression. Finally, the on-off valve II and the on-off valve III are opened, and the on-off valve IV is closed to output the pure 5-hydroxymethylthiazole. In summary, through the structure of the equipment, the vacuum, heating, cooling and filtering functions are integrated, so that the pure 5-hydroxymethylthiazole is purified at one time; when the purification is completed, the stirring shaft is driven by starting the motor, so that the stirring paddle and the rotating frame rotate synchronously, and at the same time, the water supply tank supplies water to the spherical nozzle for spraying. When the scraper on the rotating frame scrapes the inner wall of the tank to clean the crystals, the spherical nozzle can spray and clean the stirring paddle, the rotating frame and the inner wall of the tank in all directions, so as to achieve a better cleaning effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the separate structure of the tank body, tank cover and mixing drum of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the upper end plate of the mixing drum of the utility model;

[0021] Figure 4 It is a schematic diagram of installing a stirring paddle and a rotating frame on the stirring shaft of the utility model;

[0022] Figure 5 This is a schematic diagram of the structure of the spherical sprinkler of the utility model;

[0023] Figure 6 This is a schematic diagram of the structure of the vacuum device of the utility model;

[0024] Figure 7 It is a schematic diagram of the structure of filter I and filter II of the utility model;

[0025] Figure 8 It is a schematic diagram of the structure of the cooling device of the utility model;

[0026] In the figure: 1, distillation kettle I; 2, distillation kettle II; 3, support; 4, tank body; 5, tank cover; 6, mixing drum; 7, motor; 8, mixing shaft; 9, mixing paddle; 10, rotating frame; 11, scraper; 12, feed pipe head; 13, exhaust pipe joint; 14, ball nozzle; 15, water supply pipe; 16, side support; 17, water supply box; 18, heating chamber; 19, discharge joint I; 20, output pipe I; 21, circulation pipe I; 22, filter I; 23, opening and closing valve I; 24, connecting pipe; 25, discharge joint II; 26, output pipe II; 27, opening and closing valve II; 28, circulation pipe II; 29, filter II; 30, opening and closing valve III; 31, booster pump I; 32, opening and closing valve IV; 33, intermediate storage tank; 34, booster pump III; 35, opening and closing valve Close valve V; 36, bolt; 37, end plate; 38, limit slot; 39, outer notch; 40, plug-in protrusion; 41, stop protrusion; 42, bottom slot; 43, sealing ring groove; 44, sealing ring; 45, nozzle; 46, vacuum buffer tank; 47, vacuum pump; 48, vacuum filter; 49, support; 50, base frame; 51, vacuum hose; 52, vacuum input pipe; 53, three-way connector; 54, control valve; 55, buffer pipe; 56, down pipe; 57, pressure gauge; 58, vacuum suction pipe; 59, gas filter; 60, exhaust valve; 61, booster pump II; 62, heating box; 63, heating wire; 64, filter container; 65, guide slope; 66, filter screen; 67, cooling tank; 68, spiral cooling pipe; 69, liquid inlet; 70, liquid outlet. DETAILED DESCRIPTION

[0027] 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. Example

[0028] See also Figure 1-8The utility model provides a technical solution: a distillation device for 5-hydroxymethylthiazole, comprising a distillation kettle I1, a distillation kettle II2 and a bracket 3, the distillation kettle I1 is arranged on the bracket 3, the distillation kettle I1 and the distillation kettle II3 are respectively provided with a tank body 4 and a tank cover 5, the tank cover 5 is fixedly installed on the tank body 4, a stirring drum 6 is arranged in the tank body 4, a motor 7 is arranged on the top of the tank cover 5, the motor 7 drives a stirring shaft 8, a stirring paddle 9 and a rotating frame 10 are arranged on the stirring shaft 8, a scraper 11 is arranged on the rotating frame 10, the scraper 11 rotates and scrapes the inner wall of the stirring drum 6, a feed pipe head 12, an exhaust pipe joint 13 and a ball-shaped nozzle 14 are arranged on the tank cover 5, a vacuum device is connected to the exhaust pipe joint 13, a water supply pipe 15 is connected to the ball-shaped nozzle 14, a side bracket 16 is arranged on one side of the tank body 4, a water supply box 17 is arranged on the side bracket 16, and the water supply pipe 15 leads to To the bottom of the water supply tank 17, a heating chamber 18 is provided between the mixing drum 6 and the tank body 4, and a heater is installed in the heating chamber 18. A discharge joint I19 is provided on the distiller I1, and an output pipe I20 is installed on the discharge joint I19. A circulation pipe I21, a filter I22 and an opening and closing valve I23 are provided on the output pipe I20. The circulation pipe I21 is connected with the tank cover 5. A connecting pipe 24 is provided on the filter I22, and the connecting pipe 24 is connected with the distiller II2. A discharge joint II25 is provided on the distiller II25, and an output pipe II26 is installed on the discharge joint II25. An opening and closing valve II27 is provided on the discharge joint I19 and the discharge joint II25, a circulation pipe II28, a filter II29 and an opening and closing valve III30 are provided on the output pipe II26, and a cooling device, a booster pump I31 and an opening and closing valve IV32 are provided on the circulation pipe I21 and the circulation pipe II28.

[0029] The utility model has a simple and reasonable structure. First, the crude 5-hydroxymethylthiazole extract is introduced into the tank body 4 of the distillation kettle I1 through the feed pipe head 12, the on-off valve II27 is closed, the heater is started to heat the tank body 4 to a desired temperature, and then the vacuum device is started to evacuate the vacuum, and the low-boiling point polar solvent ethyl acetate is removed by vacuum drying to obtain a viscous crude 5-hydroxymethylthiazole; secondly, the vacuum device is closed, a certain proportion of non-polar solvent is added through the feed pipe head 12, and the heater is started to heat the tank body 4 to a desired temperature, and then the stirring shaft 8 is driven by the motor 7, so that the stirring paddle 9 and the rotating frame 10 rotate synchronously to stir, so that the mixture is evenly mixed, and then the on-off valve II27 and the on-off valve IV32 are opened. , the on-off valve I23 is closed, so that the viscous 5-hydroxymethylthiazole crude product inside is circulated and output through the output pipe I20 and the circulation pipe I21, and is pressurized and output to the cooling device through the booster pump I31, and is auxiliary cooled to the required temperature, and then returns to the tank cover 5 and the tank body 4. In this process, by adding an electrolyte salt accounting for 1% of the mass of the 5-hydroxymethylthiazole crude product, stirring and crystallizing, after stirring and crystallizing, the on-off valve II27 and the on-off valve I23 are started, the on-off valve IV32 is closed, and then filtered through the filter I22 to obtain a primary crude product; the primary crude product reaches the distillation kettle II2 through the connecting pipe 24, and a certain proportion of non-polar solvent is added to the primary crude product, and the heater is started to heat the tank body 4 to the required temperature, and then Then, the stirring shaft 8 is driven by the motor 7, so that the stirring paddle 9 and the rotating frame 10 rotate and stir synchronously to make the mixture evenly mixed. Then, the on-off valve II27 and the on-off valve IV32 are opened, and the on-off valve III30 is closed. The mixture is circulated and output through the output pipe I20 and the circulation pipe I21, and is output to the cooling device through the booster pump I31 for auxiliary cooling to the required temperature. Then, the mixture returns to the tank cover 5 and the tank body 4 of the distillation kettle II2. During this process, the stirring shaft 8 is driven by the motor 7, so that the stirring paddle 9 and the rotating frame 10 rotate and stir synchronously to make the mixture crystallized. The mixture is filtered through the filter II29. Then, the on-off valve II27 and the on-off valve IV32 are repeatedly opened, and the on-off valve III30 is closed. Finally, the vacuum device is started to perform. The vacuum is evacuated, and the non-polar solvent is dried by vacuum decompression. Finally, the on-off valve II27 and the on-off valve III30 are opened, and the on-off valve IV32 is closed to output the pure 5-hydroxymethylthiazole. In summary, through the structure of the equipment, the vacuum, heating, cooling and filtering functions are integrated, so that the pure 5-hydroxymethylthiazole is purified at one time; when the purification is completed, the stirring shaft 8 is driven by the starting motor 7, so that the stirring paddle 9 and the rotating frame 10 rotate synchronously, and at the same time, the water supply tank 17 supplies water to the spherical nozzle 14 for spraying. When the scraper 11 on the rotating frame 10 scrapes the inner wall of the tank body 4 to clean the crystals, the spherical nozzle can spray and clean the stirring paddle 9, the rotating frame 10 and the inner wall of the tank body 4 in all directions, so as to achieve a better cleaning effect.

[0030] Specifically, the crude extract of 5-hydroxymethylthiazole is vacuum dried for 5-10 hours at 40-45°C and a vacuum degree of 30 mmHg. A certain proportion of non-polar solvent is added, and the heater is started to heat the tank body 4 to the required temperature, and the temperature rise is specifically 40-45°C. Auxiliary cooling is performed to the required temperature, which is -15°C-10°C. The stirring crystallization time is 60-90min. The circulation pipe I21 and the circulation pipe II28 are provided with an intermediate storage tank 33, a booster pump III34 and an on-off valve V35. The setting of the intermediate storage tank 33 ensures that the tank body 4 is emptied first, and then there is an intermediate storage tank 33, which is circulated to the tank cover 5 and the tank body 4 by opening the on-off valve V35 and the booster pump III34.

[0031] Furthermore, a bolt 36 is installed between the tank body 4 and the tank cover 5, an end plate 37 is provided on the tank body 4, a limiting slot 38 and an outer notch 39 are provided on the end plate 37, an inserting protrusion 40 corresponding to the limiting slot 38 is provided on the outer wall of the mixing drum 6, and a blocking protrusion 41 matching the outer notch 39 is provided on the tank cover 5.

[0032] In this embodiment, disassembly or installation is facilitated by bolts, wherein the outer wall of the mixing drum 6 is provided with an inserting protrusion 40 corresponding to the limiting slot 38, and this structure facilitates the guided installation of the mixing drum 6. Secondly, the tank cover 5 is provided with a blocking protrusion 41 that matches the outer notch 39, which is also convenient for guided installation.

[0033] Furthermore, a bottom slot 42 is provided at the bottom of the tank body 4 , and the bottom of the mixing drum 6 is inserted into the bottom slot 42 .

[0034] In this embodiment, the bottom of the mixing drum 6 is inserted into the bottom slot 42, so that the bottom structure is limitedly installed.

[0035] Furthermore, a sealing ring groove 43 is provided on the tank cover 5 and the mixing drum 6 , and a sealing ring 44 is installed in the sealing ring groove 43 .

[0036] In this embodiment, the sealing ring 44 can enhance the sealing performance between the mixing drum 6 and the tank cover 5 , thereby enhancing the installation sealing performance between the tank cover 5 and the tank body 4 .

[0037] Furthermore, a plurality of nozzles 45 are provided on the spherical spray head 14 .

[0038] In this embodiment, since the spherical spray head 14 is used and the nozzles 45 are arranged in various directions, the structure has a better omnidirectional spraying function.

[0039] Furthermore, the vacuum device includes an exhaust buffer tank 46, a vacuum pump 47 and a vacuum filter 48. A support member 49 is provided at the bottom of the exhaust buffer tank 46, a base frame 50 is provided at the top of the side bracket 16, the support member 49 is fixedly installed on the base frame 50, an exhaust hose 51 is connected to the vacuum filter 48, the exhaust hose 51 is installed and connected to the exhaust pipe joint 13, a vacuum input pipe 52 is provided on the vacuum filter 48, a three-way joint 53 and a control valve 54 are provided on the vacuum input pipe 52, a buffer pipe 55 and a down pipe 56 are installed on the three-way joint 53, a pressure gauge 57 is installed at the end of the buffer pipe 55, and the down pipe 56 leads to the exhaust buffer tank 46, a vacuum suction pipe 58 is provided on the exhaust buffer tank 46, the vacuum suction pipe 58 is connected to the vacuum pump 47, a gas filter 59 is installed between the vacuum suction pipe 58 and the vacuum pump 47, and an exhaust valve 60 is provided at the bottom of the exhaust buffer tank 46.

[0040] In this embodiment, during the vacuum pumping process, air is first pumped through the vacuum hose 51, and vacuum filtering is performed using the vacuum filter 48, so that sand and dust can be filtered to prevent it from entering the interior of the vacuum device, thereby avoiding jamming. Then, the air reaches the vacuum buffer tank 46 through the vacuum input pipe 52 and the down pipe 56, wherein the vacuum buffer tank 46 can provide a buffer space for suction to ensure smooth temperature flow on the inner wall. The vacuum pump 47 pumps through the vacuum suction pipe 58, wherein the gas filter 59 can filter the sucked gas to prevent impurities from invading the vacuum pump 47. The pressure condition can be conveniently observed through the pressure gauge 57, the buffer pipe 55 is used to protect the pressure gauge, and the exhaust valve 60 is used for discharge. More specifically, the vacuum filter 48 and the gas filter 59 are both accessories of the prior art.

[0041] Furthermore, a booster pump II61 is provided on the water supply pipe 15 .

[0042] In this embodiment, the use of the booster pump II61 makes the high-pressure water supply spraying more usable.

[0043] Furthermore, the heater includes a heating box 62 , in which a heating wire 63 is arranged, and the heating box 62 is attached to the outer wall of the mixing drum 6 .

[0044] In this embodiment, heating is performed by the electric heating wire 63, and heat transfer is performed by the heating box 62 being attached to the outer wall of the mixing drum 6, so that the heating performance is better.

[0045] Furthermore, a filter container 64 is provided on the filter I22 and the filter II29, a guide slope 65 is provided in the filter container 64, and a filter net 66 is installed in the filter container 64 in a limited position.

[0046] In this embodiment, the guide slope 65 can guide the material, wherein the filter screen 66 can play a filtering effect, and the aperture of the filter screen 66 is set according to actual needs.

[0047] Furthermore, the cooling device includes a cooling tank 67 and a spiral cooling pipe 68 . The spiral cooling pipe 68 is installed in the cooling tank 67 . The cooling tank 67 is provided with a liquid inlet 69 and a liquid outlet 70 which are connected to the spiral cooling pipe 68 .

[0048] In this embodiment, the cooling liquid is input through the liquid inlet 69, flows in the spiral cooling tube 68, and is output from the liquid outlet 70. When the liquid enters the cooling tank 67, a rapid cooling function is performed, thereby improving the overall distillation efficiency.

[0049] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0050] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A distillation apparatus for 5-hydroxymethylthiazole, characterized in that: The invention comprises a distillation kettle I (1), a distillation kettle II (2) and a support (3), wherein the distillation kettle I (1) is arranged on the support (3), and a tank body (4) and a tank cover (5) are respectively arranged on the distillation kettle I (1) and the distillation kettle II (2), and the tank cover (5) is fixedly mounted on the tank body (4), and a stirring drum (6) is arranged in the tank body (4), and a motor (7) is arranged on the top of the tank cover (5), and a stirring shaft (8) is arranged for driving the motor (7), and a stirring paddle (9) and a rotating frame (10) are arranged on the stirring shaft (8), and the rotating frame (10) is provided with a stirring shaft (8) and a stirring paddle (9) and a rotating frame (10), and the rotating frame (10) is provided with a stirring shaft (8) and a stirring shaft (8) and a stirring shaft (8) and a stirring shaft (10) are provided on the rotating frame (10). A scraper (11) is provided on the tank body (4), and the scraper (11) is used to rotate and scrape the inner wall of the mixing drum (6). The tank cover (5) is provided with a feed pipe head (12), an exhaust pipe joint (13) and a spherical nozzle (14). The exhaust pipe joint (13) is connected to a vacuum device. The spherical nozzle (14) is connected to a water supply pipe (15). A side bracket (16) is provided on one side of the tank body (4). A water supply tank (17) is provided on the side bracket (16). The water supply pipe (15) leads to the bottom of the water supply tank (17). A heating chamber (18) is provided between the mixing drum (6) and the tank body (4), and a heater is installed in the heating chamber (18). The distiller I (1) is provided with a discharge joint I (19), and an output pipe I (20) is installed on the discharge joint I (19). The output pipe I (20) is provided with a circulation pipe I (21), a filter I (22) and an opening and closing valve I (23). The circulation pipe I (21) is connected to the tank cover (5). The filter I (22) is provided with a connecting pipe (24), and the connecting pipe (24) is connected to the distiller II (2) are connected, the distillation kettle II (2) is provided with a discharge joint II (25), the discharge joint II (25) is installed with an output pipe II (26), the discharge joint I (19) and the discharge joint II (25) are provided with an opening and closing valve II (27), the output pipe II (26) is provided with a circulation pipe II (28), a filter II (29) and an opening and closing valve III (30), and the circulation pipe I (21) and the circulation pipe II (28) are provided with a cooling device, a booster pump I (31) and an opening and closing valve IV (32).

2. A distillation apparatus for 5-hydroxymethylthiazole according to claim 1, characterized in that: A bolt (36) is installed between the tank body (4) and the tank cover (5); an end plate (37) is provided on the tank body (4); a limit slot (38) and an outer notch (39) are provided on the end plate (37); an inserting protrusion (40) corresponding to the limit slot (38) is provided on the outer wall of the mixing drum (6); and a stopper protrusion (41) matching the outer notch (39) is provided on the tank cover (5).

3. A distillation apparatus for 5-hydroxymethylthiazole according to claim 1, characterized in that: The bottom of the tank body (4) is provided with a bottom slot (42), and the bottom of the mixing drum (6) is inserted into the bottom slot (42).

4. A distillation apparatus for 5-hydroxymethylthiazole according to claim 1, characterized in that: The tank cover (5) and the mixing drum (6) are provided with a sealing ring groove (43), and a sealing ring (44) is installed in the sealing ring groove (43).

5. A distillation apparatus for 5-hydroxymethylthiazole according to claim 1, characterized in that: The spherical spray head (14) is provided with a plurality of spray nozzles (45).

6. A distillation apparatus for 5-hydroxymethylthiazole according to claim 1, characterized in that: The vacuum device comprises an exhaust buffer tank (46), a vacuum pump (47) and a vacuum filter (48); a support member (49) is provided at the bottom of the exhaust buffer tank (46); a base frame (50) is provided at the top of the side bracket (16); the support member (49) is fixedly mounted on the base frame (50); an exhaust hose (51) is connected to the vacuum filter (48); the exhaust hose (51) is installed and connected to the exhaust pipe joint (13); a vacuum input pipe (52) is provided on the vacuum filter (48); and a A three-way joint (53) and a control valve (54) are provided on the three-way joint (53), a buffer tube (55) and a down pipe (56) are installed on the three-way joint (53), a pressure gauge (57) is installed at the end of the buffer tube (55), the down pipe (56) leads to an exhaust buffer tank (46), a vacuum suction pipe (58) is provided on the exhaust buffer tank (46), the vacuum suction pipe (58) is connected to the vacuum pump (47), a gas filter (59) is installed between the vacuum suction pipe (58) and the vacuum pump (47), and an exhaust valve (60) is provided at the bottom of the exhaust buffer tank (46).

7. A distillation device for 5-hydroxymethylthiazole according to claim 1, characterized in that: The water supply pipe (15) is provided with a booster pump II (61).

8. A distillation device for 5-hydroxymethylthiazole according to claim 1, characterized in that: The heater comprises a heating box (62), an electric heating wire (63) is arranged inside the heating box (62), and the heating box (62) is close to the outer wall of the mixing drum (6).

9. A distillation device for 5-hydroxymethylthiazole according to claim 1, characterized in that: The filter I (22) and the filter II (29) are provided with a filter container (64), a guide slope (65) is provided in the filter container (64), and a filter net (66) is installed in a limited position in the filter container (64).

10. A distillation device for 5-hydroxymethylthiazole according to claim 1, characterized in that: The cooling device comprises a cooling tank (67) and a spiral cooling pipe (68), wherein the spiral cooling pipe (68) is installed in the cooling tank (67), and the cooling tank (67) is provided with a liquid inlet (69) and a liquid outlet (70) which are in communication with the spiral cooling pipe (68).

Images