A low temperature crystallization reactor for morpholine

Abstract

The utility model relates to the field of chemical technology, and discloses a low-temperature crystallization reactor of morpholine, which includes a reactor body, a top cover, a feed port, an observation window, a cooling system, a support base, a support mounting column, a vacuum chamber, a thermal insulation layer, a stainless steel liner, a support plate, a feed valve, an electric telescopic rod, a buffer pad, a drive motor, a support rod, a stirring blade, a rotating scraper, a guide plate, a discharge port, a guide plate, a discharge barrel, a refrigerant, a cooling pipeline, a cooling jacket, a valve and a temperature sensor, wherein the top cover is fixedly connected to the inside of the reactor body, and the feed port is fixedly connected to the upper end of the top cover. The low-temperature crystallization reactor of morpholine, the cooling system efficiently maintains a low-temperature environment through a refrigerant, a cooling pipeline and a cooling jacket, is essential for maintaining the ideal crystallization conditions of morpholine, and the presence of a temperature sensor ensures accurate temperature monitoring.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical industry, in particular to a low-temperature crystallization reaction kettle for morpholine. Background Art

[0002] In the field of chemical synthesis and drug manufacturing, the synthesis of morpholine and its derivatives is a key process. The purification and extraction of morpholine often involve the step of crystallization, which is crucial to the quality and purity of the final product. Traditional crystallization methods mostly rely on dissolution at high temperature and recrystallization at low temperature, but this method often has problems of low efficiency and high energy consumption. Especially when dealing with high-value, high-purity compounds such as morpholine and its derivatives, the shortcomings of traditional methods are particularly obvious.

[0003] The prior art patent document with publication number CN210495304U discloses a 3-morpholinepropanesulfonic acid low-temperature crystallization reactor, comprising a vertically arranged support mounting cylinder, a plurality of support mounting columns are arranged at equal angles at the bottom of the support mounting cylinder, a discharge cylinder is arranged vertically at the middle position of the lower end of the support mounting cylinder, a feed mounting cylinder is arranged at the middle position of the upper end of the support mounting cylinder, an annular flow equalizing cylinder is arranged at the upper end of the support mounting cylinder in coordination with the bottom edge of the feed mounting cylinder, a plurality of feed holes are arranged at equal angles at the upper end of the annular flow equalizing cylinder in coordination with the feed mounting cylinder, a plurality of feed conduits are arranged at equal angles at the lower end of the annular flow equalizing cylinder, the outlet of the feed conduit is directly opposite to the cylinder wall of the support mounting cylinder, an electrically controlled telescopic column is arranged vertically downward at the middle position of the top plate of the support mounting cylinder, and the electrically controlled telescopic column is arranged vertically downward at the middle position of the top plate of the support mounting cylinder. A driving motor is arranged at the lower end, and a hexagonal transmission sleeve is arranged at the lower end of the driving motor through a rotating shaft, and a plurality of stirring blades are arranged at equal angles on the edge of the hexagonal transmission sleeve, a limited rotating shaft is vertically arranged directly below the hexagonal transmission sleeve, and a hexagonal transmission column is arranged at the upper end of the limited rotating shaft in conjunction with the hexagonal transmission sleeve, an offset material guide plate is arranged at the bottom of the supporting and mounting cylinder, and a plurality of rotating scrapers are arranged at equal angles on the edge of the offset material guide plate in conjunction with the bottom of the supporting and mounting cylinder, an offset material guide plate is also arranged at the upper end of the discharging cylinder, and offset material dropping holes are arranged at equal angles on the offset material guide plate, a filter guide cylinder is horizontally arranged at the middle position of the discharging cylinder, a discharge hole is arranged at the right end of the filter guide cylinder, a guide plate is horizontally arranged inside the filter guide cylinder in conjunction with the discharge hole, and a filter plate is arranged at the upper end of the guide plate.

[0004] However, in the prior art CN210495304U patent, due to the poor cooling effect of a 3-morpholinepropanesulfonic acid low-temperature crystallization reactor, the crystal precipitation rate may be reduced, thereby affecting the yield of the product. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] The utility model aims to provide a low-temperature crystallization reactor for morpholine, so as to solve the problem of poor cooling effect of the low-temperature crystallization reactor for 3-morpholinepropanesulfonic acid proposed in the above-mentioned background technology.

[0007] (II) Technical solution

[0008] To achieve the above purpose, the utility model provides the following technical solutions: a low-temperature crystallization reactor for morpholine, the low-temperature crystallization reactor for morpholine comprising a reactor body, a top cover, a feed port, an observation window, a cooling system, a support base, a support mounting column, a vacuum chamber, a thermal insulation layer, a stainless steel liner, a support plate, a feed valve, an electric telescopic rod, a buffer pad, a drive motor, a support rod, a stirring blade, a rotating scraper, a guide plate, a discharge port, a guide plate, a discharge barrel, a refrigerant, a cooling pipeline, a cooling jacket, a valve and a temperature sensor, wherein the reactor body comprises a top cover, a feed port, an observation window, a cooling system, a support base, a support mounting column, a vacuum chamber, a thermal insulation layer, a stainless steel liner, a support plate, a feed valve, a ... The top cover is fixedly connected to the inside of the reactor body, the feed port is fixedly connected to the upper end of the top cover, the observation window is fixedly connected to the left end of the reactor body, the cooling system is fixedly connected to the right end of the reactor body, and the support base is fixedly connected to the lower end of the reactor body. The reactor body is equipped with a top cover and an observation window to facilitate monitoring the reaction. Raw materials are added through the feed port, and the cooling system works through a refrigerant, a cooling pipeline and a cooling jacket to maintain a low temperature environment in the reactor, which is crucial for morpholine crystallization.

[0009] Preferably, the support mounting column is fixedly connected to the lower end of the support base, the vacuum chamber is fixedly connected to the inside of the reactor body, and the thermal insulation layer is fixedly connected to the inside of the vacuum chamber.

[0010] Preferably, the stainless steel inner liner is fixedly connected to the inside of the thermal insulation layer, the support plate is fixedly connected to the inside of the reactor body, the feed valve is fixedly connected to the lower end of the support plate, and an electric telescopic rod, a buffer pad and a drive motor are provided at the bottom of the reactor, which together with the stirring blades and the rotating scraper constitute a stirring assembly to ensure uniform mixing of the materials, which helps to improve the crystallization efficiency.

[0011] Preferably, the electric telescopic rod is fixedly connected to the lower side of the feed valve, the buffer pad is fixedly connected to the lower end of the electric telescopic rod, and the drive motor is fixedly connected to the lower side of the buffer pad.

[0012] Preferably, the support rod is fixedly connected to the lower end of the driving motor, the stirring blade is fixedly connected to the lower end of the support rod, and the rotating scraper is fixedly connected to the lower side of the stirring blade.

[0013] Preferably, the material guide tray is fixedly connected to the lower side of the reactor body, the material outlet is fixedly connected to the lower side of the material guide tray, and the guide plate is fixedly connected to the lower side of the material guide tray.

[0014] Preferably, the discharge barrel is fixedly connected to the lower end of the guide plate, the refrigerant is fixedly connected to the inside of the reactor body, the cooling pipeline is fixedly connected to the inside of the reactor body, and the cooling system works through the refrigerant, cooling pipeline and cooling jacket to maintain the low temperature environment in the reactor.

[0015] Preferably, the cooling jacket is fixedly connected to the inside of the cooling system, the valve is fixedly connected to the inside of the cooling system, and the temperature sensor is fixedly connected to the lower side of the valve. The valve and the temperature sensor are key components of the cooling system and are used to adjust the refrigerant flow and monitor the temperature to ensure that the reaction conditions meet the crystallization requirements.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The cooling system of the low-temperature crystallization reactor of morpholine efficiently maintains a low-temperature environment through refrigerants, cooling pipes and cooling jackets, which is crucial to maintaining the ideal crystallization conditions of morpholine. The presence of temperature sensors ensures accurate temperature monitoring;

[0018] 2. The low-temperature crystallization reactor of morpholine has built-in electric telescopic rod, stirring blades and rotating scraper working together to achieve uniform mixing of materials, improve crystallization efficiency and ensure crystallization quality;

[0019] 3. The design of the low-temperature crystallization reactor of morpholine takes into account the smooth flow of materials, thereby reducing the blockage and uneven mixing problems that may occur during the crystallization process. The design of the discharge port and guide plate ensures simple and efficient material discharge. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the discharge port structure of the utility model;

[0023] Figure 4 This is a schematic diagram of the cooling system structure of the utility model.

[0024] In the figure: 1. Reactor body; 2. Top cover; 3. Feed inlet; 4. Observation window; 5. Cooling system; 6. Support base; 7. Support mounting column; 8. Vacuum chamber; 9. Thermal insulation layer; 10. Stainless steel liner; 11. Support plate; 12. Feed valve; 13. Electric telescopic rod; 14. Buffer pad; 15. Drive motor; 16. Support rod; 17. Stirring blade; 18. Rotating scraper; 19. Guide plate; 20. Discharge port; 21. Guide plate; 22. Discharge barrel; 23. Refrigerant; 24. Cooling pipeline; 25. Cooling jacket; 26. Valve; 27. Temperature sensor. DETAILED DESCRIPTION

[0025] 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.

[0026] See also Figure 1-Figure 4The utility model provides a technical solution: a low-temperature crystallization reactor for morpholine, which comprises a reactor body 1, a top cover 2, a feed port 3, an observation window 4, a cooling system 5, a support base 6, a support mounting column 7, a vacuum chamber 8, a thermal insulation layer 9, a stainless steel liner 10, a support plate 11, a feed valve 12, an electric telescopic rod 13, a buffer pad 14, a drive motor 15, a support rod 16, a stirring blade 17, a rotating scraper 18, a guide plate 19, a discharge port 20, a guide plate 21, a discharge barrel 22, a refrigerant 23, a cooling pipeline 24, a cooling jacket 25, a valve 26 and a temperature sensor 27. The top cover 2 is fixedly connected to the inside of the reactor body 1, the feed port 3 is fixedly connected to the upper end of the top cover 2, the observation window 4 is fixedly connected to the left end of the reactor body 1, the cooling system 5 is fixedly connected to the right end of the reactor body 1, the support base 6 is fixedly connected to the right end of the reactor body 1, and the cooling system 5 is fixedly connected to the right end of the reactor body 1. The reactor body 1 is fixedly connected to the lower end of the reactor body 1, the support mounting column 7 is fixedly connected to the lower end of the support base 6, the vacuum chamber 8 is fixedly connected to the inside of the reactor body 1, the thermal insulation layer 9 is fixedly connected to the inside of the vacuum chamber 8, the stainless steel liner 10 is fixedly connected to the inside of the thermal insulation layer 9, and the support plate 11 is fixedly connected to the inside of the reactor body 1. The reactor body 1 is equipped with a top cover 2 and an observation window 4 for easy monitoring of the reaction. Raw materials are added through the feed port 3, and the cooling system 5 works through the refrigerant 23, the cooling pipeline 24 and the cooling jacket 25 to maintain the low temperature environment in the reactor, which is very important for the crystallization of morpholine. The bottom of the reactor is provided with an electric telescopic rod 13, a buffer pad 14 and a drive motor 15, which together with the stirring blade 17 and the rotating scraper 18 constitute a stirring assembly to ensure that the materials are evenly mixed, which helps to improve the crystallization efficiency and ensure the crystallization quality.

[0027] The feed valve 12 is fixedly connected to the lower end of the support plate 11, the electric telescopic rod 13 is fixedly connected to the lower side of the feed valve 12, the buffer pad 14 is fixedly connected to the lower end of the electric telescopic rod 13, the drive motor 15 is fixedly connected to the lower side of the buffer pad 14, the support rod 16 is fixedly connected to the lower end of the drive motor 15, the stirring blade 17 is fixedly connected to the lower end of the support rod 16, and the rotating scraper 18 is fixedly connected to the lower side of the stirring blade 17. The bottom of the reactor is provided with an electric telescopic rod 13, a buffer pad 14 and a drive motor 15, which together with the stirring blade 17 and the rotating scraper 18 constitute a stirring assembly to ensure uniform mixing of materials, which helps to improve the crystallization efficiency and ensure the crystallization quality.

[0028] The guide plate 19 is fixedly connected to the lower side of the reactor body 1, the discharge port 20 is fixedly connected to the lower side of the guide plate 19, the guide plate 21 is fixedly connected to the lower side of the guide plate 19, the discharge cylinder 22 is fixedly connected to the lower end of the guide plate 21, the refrigerant 23 is fixedly connected to the inside of the reactor body 1, the cooling pipeline 24 is fixedly connected to the inside of the reactor body 1, the cooling jacket 25 is fixedly connected to the inside of the cooling system 5, the valve 26 is fixedly connected to the inside of the cooling system 5, and the temperature sensor 27 is fixedly connected to the valve. 26, when discharging, the guide plate 19 assists the material to flow to the discharge port 20, while the guide plate 21 and the discharge barrel 22 ensure the smooth discharge of the material. In addition, the overall structure is firmly supported by the support base 6 and the support mounting column 7, while the vacuum chamber 8 and the thermal insulation layer 9 optimize the internal temperature control and improve energy efficiency. The stainless steel liner 10 and the support plate 11 of the reactor enhance the durability and stability of the equipment. The valve 26 and the temperature sensor 27 are key components of the cooling system, which are used to adjust the refrigerant flow and monitor the temperature.

[0029] Working principle: The reactor body 1 is equipped with a top cover 2 and an observation window 4 for monitoring the reaction. The raw materials are fed in through the feed port 3, and the cooling system 5 works through the refrigerant 23, the cooling pipe 24 and the cooling jacket 25 to maintain the low temperature environment in the reactor, which is essential for the crystallization of morpholine. The bottom of the reactor is provided with an electric telescopic rod 13, a buffer pad 14 and a drive motor 15, which together with the stirring blades 17 and the rotating scraper 18 constitute a stirring assembly to ensure uniform mixing of the materials, which helps to improve the crystallization efficiency and ensure the crystallization quality. When discharging, the guide plate 19 assists the material to flow to the discharge port 20, and The guide plate 21 and the discharge barrel 22 ensure the smooth discharge of the material. In addition, the overall structure is firmly supported by the support base 6 and the support mounting column 7, while the vacuum chamber 8 and the thermal insulation layer 9 optimize the internal temperature control and improve energy efficiency. The stainless steel liner 10 and the support plate 11 of the reactor enhance the durability and stability of the equipment. The valve 26 and the temperature sensor 27 are key components of the cooling system, which are used to adjust the refrigerant flow and monitor the temperature to ensure that the reaction conditions meet the crystallization requirements. Through these carefully designed components and mechanisms, the reactor achieves efficient and low-energy crystallization of morpholine, meeting the high standards of the modern chemical industry.

[0030] Finally, it should be noted that the above content is only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Simple modifications or equivalent substitutions of the technical solution of the utility model by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the utility model.

Claims

1. A low-temperature crystallization reactor for morpholine, comprising a reactor body (1), a top cover (2), a feed port (3), an observation window (4), a cooling system (5), a support base (6), a support mounting column (7), a vacuum chamber (8), a thermal insulation layer (9), a stainless steel liner (10), a support plate (11), a feed valve (12), an electric telescopic rod (13), a buffer pad (14), a drive motor (15), a support rod (16), a stirring blade (17), a rotating scraper (18), a guide plate (19), a discharge port (20), a guide plate (21), a discharge barrel (22), a refrigerant (23), a cooling pipeline (24), a cooling jacket (25), a valve (26) and a temperature sensor (27), characterized in that: The top cover (2) is fixedly connected to the inside of the reactor body (1), the feed port (3) is fixedly connected to the upper end of the top cover (2), the observation window (4) is fixedly connected to the left end of the reactor body (1), the cooling system (5) is fixedly connected to the right end of the reactor body (1), and the support base (6) is fixedly connected to the lower end of the reactor body (1).

2. A low-temperature crystallization reactor for morpholine according to claim 1, characterized in that: The support mounting column (7) is fixedly connected to the lower end of the support base (6), the vacuum chamber (8) is fixedly connected to the inside of the reaction kettle body (1), and the thermal insulation layer (9) is fixedly connected to the inside of the vacuum chamber (8).

3. A low-temperature crystallization reactor for morpholine according to claim 1, characterized in that: The stainless steel inner container (10) is fixedly connected to the inside of the thermal insulation layer (9), the support plate (11) is fixedly connected to the inside of the reactor body (1), and the feed valve (12) is fixedly connected to the lower end of the support plate (11).

4. A low-temperature crystallization reactor for morpholine according to claim 1, characterized in that: The electric telescopic rod (13) is fixedly connected to the lower side of the feed valve (12), the buffer pad (14) is fixedly connected to the lower end of the electric telescopic rod (13), and the drive motor (15) is fixedly connected to the lower side of the buffer pad (14).

5. A low-temperature crystallization reactor for morpholine according to claim 1, characterized in that: The support rod (16) is fixedly connected to the lower end of the driving motor (15), the stirring blade (17) is fixedly connected to the lower end of the support rod (16), and the rotating scraper (18) is fixedly connected to the lower side of the stirring blade (17).

6. A low-temperature crystallization reactor for morpholine according to claim 1, characterized in that: The material guide plate (19) is fixedly connected to the lower side of the reaction kettle body (1), the material outlet (20) is fixedly connected to the lower side of the material guide plate (19), and the guide plate (21) is fixedly connected to the lower side of the material guide plate (19).

7. A low-temperature crystallization reactor for morpholine according to claim 1, characterized in that: The discharge cylinder (22) is fixedly connected to the lower end of the guide plate (21), the refrigerant (23) is fixedly connected to the inside of the reactor body (1), and the cooling pipeline (24) is fixedly connected to the inside of the reactor body (1).

8. A low-temperature crystallization reactor for morpholine according to claim 1, characterized in that: The cooling jacket (25) is fixedly connected to the interior of the cooling system (5), the valve (26) is fixedly connected to the interior of the cooling system (5), and the temperature sensor (27) is fixedly connected to the lower side of the valve (26).

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