Benzyl chloroformate synthesis tower

Abstract

The utility model relates to the technical field of benzyl chloroformate synthesis, in particular to a benzyl chloroformate synthesis tower which comprises a tower body, the top end of the tower body is in through connection with a cover body, the middle of the top end of the cover body is fixedly connected with a power assembly, the bottom end of the power assembly is fixedly connected with a stirring assembly, and one side of the top end of the cover body is in through connection with a feeding frame. The bottom end of one side of the surface of the tower body is in through connection with a sampling assembly, and the middle part of the bottom end of the tower body is in through connection with a discharging pipe. Through the arrangement of the stirring assembly, materials are poured into the tower body through the feeding frame during use, then the tower body is heated or cooled through the prior art, and then the servo motor in the fixing frame is started through an external power supply, so that the transmission rod drives the connecting rod to rotate; the first stirring plates are matched with the second stirring plates to form convection impact on materials in the tower body, so that the materials can be better fused, and the effect of improving the reaction efficiency is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of benzyl chloroformate synthesis, in particular to a benzyl chloroformate synthesis tower. Background Art

[0002] As an important amino protecting agent, benzyl chloroformate has important applications in the field of drug synthesis. It is mainly used for amino protecting groups of pharmaceutical raw materials antibiotics, antiviral drugs, protease inhibitor intermediates, and ampicillin. At present, the synthesis routes of benzyl chloroformate mainly include phosgene method, trichloromethyl chloroformate method (diphosgene), and triphosgene method. Among them: the phosgene method is mainly generated by the reaction of benzyl alcohol and phosgene at low temperature (-10°C), and a synthesis tower is used in the production process.

[0003] An existing synthesis tower has low reaction efficiency. It is difficult to speed up the reaction between materials when in use, resulting in poor reaction work between materials and affecting the synthesis effect. It is also less convenient. It is difficult to sample and observe the stirred materials when in use, resulting in insufficient material reaction for too long, affecting work efficiency and quality. Utility Model Content

[0004] The utility model aims to provide a benzyl chloroformate synthesis tower to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A benzyl chloroformate synthesis tower comprises a tower body, wherein the top of the tower body is connected through a cover body, the middle of the top of the cover body is fixedly connected to a power assembly, the bottom of the power assembly is fixedly connected to a stirring assembly, one side of the top of the cover body is connected through a feed frame, the other side of the top of the cover body is connected through an air outlet pipe, the bottom of one side of the tower body surface is connected through a sampling assembly, the middle of the bottom of the tower body is connected through a discharge pipe, and the edge of the bottom of the tower body is fixedly connected to a support assembly.

[0007] Preferably, the power assembly comprises a fixing frame, the bottom end of the fixing frame is fixedly connected to the top end of the cover body, a servo motor is fixedly connected inside the fixing frame, and the output end of the servo motor is spline-connected to a transmission rod.

[0008] Preferably, the stirring assembly comprises a connecting rod, the top end of the connecting rod is fixedly connected to the bottom end of the transmission rod, the top ends of both sides of the connecting rod are fixedly connected to the first stirring plates, and the bottom ends of both sides of the connecting rod are fixedly connected to the second stirring plates.

[0009] Preferably, the sampling assembly includes a sampling tube, one end of which is connected to the bottom end of one side of the tower body surface, one end of which is threadedly connected to a threaded rod, one end of which is rotatably connected to a piston, and the bottom end of the sampling tube is connected to a tube body.

[0010] Preferably, the support assembly comprises a support plate, the top end of the support plate is fixedly connected to the edge of the bottom end of the tower body, and the bottom end of the support plate is fixedly connected to a bearing plate.

[0011] Preferably, an observation groove is provided on the other side of the tower body surface, and a glass plate is fixedly connected to the inside of the observation groove.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The benzyl chloroformate synthesis tower is provided with a stirring component. When in use, the material is poured into the tower body by using a feed frame, and then the tower body is heated or cooled by the existing technology. Then, the servo motor in the fixed frame is started by an external power supply, so that the transmission rod drives the connecting rod to rotate, and the first stirring plate cooperates with the second stirring plate to form a convection impact on the material in the tower body, so that the materials can be better integrated, thereby achieving the effect of improving the reaction efficiency.

[0014] 2. The benzyl chloroformate synthesis tower can rotate the threaded rod in the sampling tube to move the piston in the sampling tube during stirring through the setting of the sampling component, and use the detection bottle to collect the material flowing out of the tube body for observation to check whether the reaction degree of the material meets the standard, thereby achieving the effect of ensuring the reaction quality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is an overall schematic diagram of the utility model;

[0016] Figure 2 It is a schematic diagram of the power assembly of the utility model;

[0017] Figure 3 It is a schematic diagram of the sampling assembly of the utility model;

[0018] Figure 4 It is a schematic diagram of the support assembly of the utility model.

[0019] In the figure: 1. tower body; 2. cover body; 3. power assembly; 301. fixing frame; 302. servo motor; 303. transmission rod; 4. stirring assembly; 401. connecting rod; 402. first stirring plate; 403. second stirring plate; 5. feeding frame; 6. air outlet pipe; 7. sampling assembly; 701. sampling tube; 702. threaded rod; 703. piston; 704. tube body; 8. discharge tube; 9. support assembly; 901. support plate; 902. bearing plate; 10. glass plate. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figure 1-Figure 4 As shown, a technical solution provided by the utility model:

[0022] A benzyl chloroformate synthesis tower comprises a tower body 1, the top of the tower body 1 is connected through a cover body 2, the middle of the top of the cover body 2 is fixedly connected with a power assembly 3, the bottom of the power assembly 3 is fixedly connected with a stirring assembly 4, through the setting of the stirring assembly 4, when in use, a material is poured into the tower body 1 by using a feed frame 5, and then the tower body 1 is heated or cooled by the existing technology, and then a servo motor 302 in a fixed frame 301 is started by an external power supply, so that a transmission rod 303 drives a connecting rod 401 to rotate, and a first stirring plate 402 cooperates with a second stirring plate 403 to form a convection impact on the material in the tower body 1, so that the materials can be better fused , achieving the effect of improving the reaction efficiency; a feeding frame 5 is connected to one side of the top of the cover body 2, an air outlet pipe 6 is connected to the other side of the top of the cover body 2, a sampling assembly 7 is connected to the bottom end of one side of the surface of the tower body 1, a discharge pipe 8 is connected to the middle of the bottom end of the tower body 1, and a support assembly 9 is fixedly connected to the edge of the bottom end of the tower body 1. Through the setting of the sampling assembly 7, the threaded rod 702 in the sampling tube 701 can be rotated during the stirring process to allow the piston 703 to move in the sampling tube 701, and the material flowing out of the tube body 704 is collected by a detection bottle for observation to check whether the reaction degree of the material meets the standard, thereby achieving the effect of ensuring the reaction quality of the device;

[0023] In this embodiment, preferably, the power assembly 3 includes a fixing frame 301, the bottom end of the fixing frame 301 is fixedly connected to the top end of the cover body 2, the inside of the fixing frame 301 is fixedly connected to a servo motor 302, and the output end of the servo motor 302 is spline-connected to a transmission rod 303. Through the setting of the power assembly 3, the servo motor 302 in the fixing frame 301 can be started by an external power supply when in use, so that the transmission rod 303 drives the connecting rod 401 to rotate, thereby achieving the effect of reducing workload and improving work efficiency;

[0024] In this embodiment, preferably, the stirring assembly 4 includes a connecting rod 401, the top of the connecting rod 401 is fixedly connected to the bottom of the transmission rod 303, the tops of both sides of the connecting rod 401 are fixedly connected with first stirring plates 402, and the bottoms of both sides of the connecting rod 401 are fixedly connected with second stirring plates 403. Through the setting of the stirring assembly 4, the connecting rod 401 is rotated during use, so that the first stirring plate 402 cooperates with the second stirring plate 403 to form a convection impact on the materials in the tower body 1, so that the materials can be better fused, thereby achieving the effect of improving the reaction quality;

[0025] In this embodiment, preferably, the sampling assembly 7 includes a sampling tube 701, one end of the sampling tube 701 is connected to the bottom end of one side of the tower body 1 surface, one end of the sampling tube 701 is threadedly connected to a threaded rod 702, one end of the threaded rod 702 is rotatably connected to a piston 703, and the bottom end of the sampling tube 701 is connected to a tube body 704. Through the arrangement of the sampling assembly 7, the threaded rod 702 in the sampling tube 701 can be rotated during the stirring process to allow the piston 703 to move in the sampling tube 701, and the material flowing out of the tube body 704 is collected by a detection bottle for observation to check whether the reaction degree of the material meets the standard, thereby achieving the effect of ensuring the reaction quality of the device and improving the work efficiency;

[0026] In this embodiment, preferably, the support assembly 9 includes a support plate 901, the top end of the support plate 901 is fixedly connected to the edge of the top and bottom ends of the tower body 1, and the bottom end of the support plate 901 is fixedly connected to a bearing plate 902;

[0027] In this embodiment, preferably, an observation groove is opened on the other side of the surface of the tower body 1, and a glass plate 10 is fixedly connected to the inside of the observation groove.

[0028] When a benzyl chloroformate synthesis tower of the present embodiment is used, the material is poured into the tower body 1 by using the feed frame 5, and then the tower body 1 is heated or cooled by the existing technology, and then the servo motor 302 in the fixed frame 301 is started by an external power supply, so that the transmission rod 303 drives the connecting rod 401 to rotate, and the first stirring plate 402 cooperates with the second stirring plate 403 to form a convection impact on the material in the tower body 1, so that the materials can be better integrated, thereby achieving the effect of improving the reaction efficiency. During the stirring process, the threaded rod 702 in the sampling tube 701 can be rotated to allow the piston 703 to move in the sampling tube 701, and the material flowing out of the tube body 704 is collected by using a detection bottle for observation to check whether the reaction degree of the material meets the standard, thereby achieving the effect of ensuring the reaction quality of the device.

[0029] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A benzyl chloroformate synthesis tower, comprising a tower body (1), characterized in that: The top of the tower body (1) is connected through a cover body (2), the middle of the top of the cover body (2) is fixedly connected to a power assembly (3), the bottom of the power assembly (3) is fixedly connected to a stirring assembly (4), one side of the top of the cover body (2) is connected through a feed frame (5), the other side of the top of the cover body (2) is connected through an air outlet pipe (6), the bottom of one side of the surface of the tower body (1) is connected through a sampling assembly (7), the middle of the bottom of the tower body (1) is connected through a discharge pipe (8), and the edge of the bottom of the tower body (1) is fixedly connected to a support assembly (9).

2. A benzyl chloroformate synthesis tower according to claim 1, characterized in that: The power assembly (3) comprises a fixing frame (301), the bottom end of the fixing frame (301) is fixedly connected to the top end of the cover body (2), a servo motor (302) is fixedly connected inside the fixing frame (301), and a transmission rod (303) is spline-connected to the output end of the servo motor (302).

3. A benzyl chloroformate synthesis tower according to claim 2, characterized in that: The stirring assembly (4) comprises a connecting rod (401), the top end of the connecting rod (401) is fixedly connected to the bottom end of the transmission rod (303), the top ends of both sides of the connecting rod (401) are fixedly connected to first stirring plates (402), and the bottom ends of both sides of the connecting rod (401) are fixedly connected to second stirring plates (403).

4. A benzyl chloroformate synthesis tower according to claim 1, characterized in that: The sampling assembly (7) comprises a sampling tube (701), one end of the sampling tube (701) being connected to the bottom end of one side of the surface of the tower body (1), one end of the sampling tube (701) being threadedly connected to a threaded rod (702), one end of the threaded rod (702) being rotatably connected to a piston (703), and the bottom end of the sampling tube (701) being connected to a tube body (704).

5. A benzyl chloroformate synthesis tower according to claim 1, characterized in that: The support assembly (9) comprises a support plate (901), the top end of the support plate (901) being fixedly connected to the edges of the top and bottom ends of the tower body (1), and the bottom end of the support plate (901) being fixedly connected to a bearing plate (902).

6. A benzyl chloroformate synthesis tower according to claim 1, characterized in that: An observation groove is provided on the other side of the surface of the tower body (1), and a glass plate (10) is fixedly connected to the interior of the observation groove.

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