A methyl carbamate synthesis device

Abstract

The utility model relates to the technical field of chemical synthesis, and discloses a methyl carbamate synthesis device, including a tank body, an exhaust pipe is fixedly connected to the upper right side of the tank body, a piston rod is slidably connected to the inner bottom side of the exhaust pipe, a movable plug is fixedly connected to the top of the piston rod, a spring is arranged on the outer upper side of the movable plug, one end of the spring is fixedly connected to the inner top wall of the exhaust pipe, exhaust ports are arranged on the left and right sides of the exhaust pipe, and filter screens are arranged on the left and right sides of the exhaust pipe. In the utility model, stirring and mixing of the solution and scraping of the inner wall material of the tank body are achieved, so as to avoid the material adhering to the inner wall and affecting the later use, and the gas inside the device is effectively discharged, and the impurities contained in the gas or the splashing of part of the liquid caused by the excessive internal air pressure of the device are filtered and blocked by the arranged filter screen, so as to avoid the impurities or liquid splashing out while the gas is discharged.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical synthesis, in particular to a methyl carbamate synthesis device. Background Art

[0002] Carbamate compounds have a wide range of uses and are important organic synthesis intermediates. They can be used as pesticides, medicines, and organic synthesis intermediates, among which methyl carbamate is a typical carbamate compound.

[0003] The existing device stirs and mixes the solution through a stirrer to produce a reaction synthesis, but some gas is generated during the solution mixing process, which needs to be released to avoid the risk of increased internal gas pressure. Therefore, those skilled in the art provide a methyl carbamate synthesis device to solve the problems raised in the above background technology. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a methyl carbamate synthesis device, which aims to improve the problem in the prior art that some gas will be generated during the solution mixing process and it needs to be released to avoid the risk of increased internal air pressure.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a methyl carbamate synthesis device, comprising a tank body, an exhaust pipe is fixedly connected to the upper right side of the tank body, a piston rod is slidably connected to the inner bottom side of the exhaust pipe, a movable plug is fixedly connected to the top of the piston rod, a spring is arranged on the outer upper side of the movable plug, one end of the spring is fixedly connected to the inner top wall of the exhaust pipe, exhaust ports are opened on the left and right sides of the exhaust pipe, filter screens are arranged on the left and right sides of the exhaust pipe, the filter screens are arranged inside the exhaust port, and a feed assembly is fixedly connected to the upper left side of the tank body.

[0006] As a further description of the above technical solution:

[0007] The feed assembly comprises a feed pipe, the feed pipe is fixedly connected to the upper left side of the tank body, and a first valve is arranged outside the feed pipe.

[0008] As a further description of the above technical solution:

[0009] A motor is fixedly connected to the upper part of the tank body, a rotating shaft is fixedly connected to the output end of the motor, stirring blades are evenly distributed up and down and fixedly connected to the front and rear of the rotating shaft, three telescopic rods are fixedly connected to the left and right sides of the rotating shaft, an upper scraper is fixedly connected to one end of the telescopic rod, and a lower scraper is fixedly connected to the bottom of the upper scraper.

[0010] As a further description of the above technical solution:

[0011] The rotating shaft is rotatably connected to the inside of the tank body, and the upper scraper and the lower scraper are both in contact with the inner wall of the tank body.

[0012] As a further description of the above technical solution:

[0013] The bottom of the tank body is fixedly connected with a discharge pipe, and a second valve is arranged outside the discharge pipe.

[0014] As a further description of the above technical solution:

[0015] The four corners of the bottom of the tank body are fixedly connected with supporting legs.

[0016] As a further description of the above technical solution:

[0017] A control panel is arranged on the front side of the tank body.

[0018] As a further description of the above technical solution:

[0019] The movable plug is slidably connected to the inside of the exhaust pipe.

[0020] The utility model has the following beneficial effects:

[0021] 1. In the utility model, the motor is started to drive the rotating shaft to rotate the stirring blade and the telescopic rod, so that the upper scraper and the lower scraper rotate to stir the solution, thereby achieving stirring and mixing of the solution and scraping of the material on the inner wall of the tank body, avoiding the material from adhering to the inner wall and affecting the later use.

[0022] 2. In the utility model, the piston rod and the movable plug are pushed by gas to squeeze the spring, so that the gas is discharged, thereby achieving effective discharge of the gas inside the device, and the impurities contained in the gas or part of the liquid splashing due to excessive air pressure inside the device are filtered and blocked by the set filter, avoiding impurities or liquid splashing when the gas is discharged. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a three-dimensional diagram of a methyl carbamate synthesis device proposed by the utility model;

[0024] Figure 2 This is an exhaust structure diagram of a methyl carbamate synthesis device proposed by the utility model;

[0025] Figure 3 The utility model provides a sectional view of a tank of a methyl carbamate synthesis device.

[0026] Legend:

[0027] 1. Support legs; 2. Tank body; 3. Control panel; 4. Exhaust pipe; 5. Motor; 6. Feed pipe; 7. First valve; 8. Discharge pipe; 9. Second valve; 10. Movable plug; 11. Spring; 12. Filter; 13. Exhaust port; 14. Piston rod; 15. Rotating shaft; 16. Telescopic rod; 17. Stirring blade; 18. Upper scraper; 19. Lower scraper. DETAILED DESCRIPTION

[0028] 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.

[0029] Reference Figure 1-Figure 3 The utility model provides an embodiment: a methyl carbamate synthesis device, comprising a tank body 2, an exhaust pipe 4 is fixedly connected to the upper right side of the tank body 2, a piston rod 14 is slidably connected to the inner bottom side of the exhaust pipe 4, a movable plug 10 is fixedly connected to the top of the piston rod 14, a spring 11 is arranged on the outer upper side of the movable plug 10, one end of the spring 11 is fixedly connected to the inner top wall of the exhaust pipe 4, an exhaust port 13 is opened on both the left and right sides of the exhaust pipe 4, a filter screen 12 is arranged on both the left and right sides of the exhaust pipe 4, the filter screen 12 is arranged inside the exhaust port 13, a feed assembly is fixedly connected to the upper left side of the tank body 2, and the movable plug 10 is slidably connected to the inside of the exhaust pipe 4;

[0030] The feed assembly includes a feed pipe 6 , which is fixedly connected to the upper left side of the tank body 2 , and a first valve 7 is arranged outside the feed pipe 6 .

[0031] The gas generated inside the device pushes the piston rod 14, so that the movable plug 10 is pushed by the piston rod 14 to slide inside the exhaust pipe 4, and the spring 11 is squeezed, so that the gas inside the device enters the exhaust pipe 4 and is discharged from the inside of the device through the exhaust port 13, and the impurities contained in the exhaust gas or the liquid partially splashed due to the excessive air pressure inside the device are filtered and blocked by the filter 12, which plays a role in discharging the gas inside the device while avoiding the splashing of impurities or liquid; the material is injected into the device through the feed pipe 6, and is synthesized and processed, and the first valve 7 is set to prevent the liquid from splashing out of the device during the processing and affecting the external working environment.

[0032] Reference Figure 1 and Figure 3A motor 5 is fixedly connected to the upper part of the tank body 2, and a rotating shaft 15 is fixedly connected to the output end of the motor 5. A stirring blade 17 is fixedly connected to the front and rear ends of the rotating shaft 15 and evenly distributed up and down. Three telescopic rods 16 are fixedly connected to the left and right sides of the rotating shaft 15, and an upper scraper 18 is fixedly connected to one end of the telescopic rod 16. A lower scraper 19 is fixedly connected to the bottom of the upper scraper 18. The rotating shaft 15 is rotatably connected to the inside of the tank body 2, and the upper scraper 18 and the lower scraper 19 are both in contact with the inner wall of the tank body 2.

[0033] By starting the motor 5, the motor 5 starts to drive the rotating shaft 15 to rotate, so that the stirring blade 17 and the telescopic rod 16 rotate, and the telescopic rod 16 rotates to extend and retract, so that the upper scraper 18 moves and drives the lower scraper 19 to move and rotate, so as to stir the solution and scrape off the material adhering to the inner wall, thereby stirring and mixing the solution and scraping off the material on the inner wall of the tank body 2, so as to prevent the material from adhering to the inner wall and affecting the later use.

[0034] Reference Figure 1 and Figure 3 The bottom of the tank body 2 is fixedly connected with a discharge pipe 8, and a second valve 9 is arranged outside the discharge pipe 8; the four corners of the bottom of the tank body 2 are fixedly connected with support legs 1; and the front side of the tank body 2 is provided with a control panel 3.

[0035] The second valve 9 is opened to allow the solution to be discharged from the interior of the tank body 2 through the discharge pipe 8; the entire device is fixedly supported by the support legs 1; and the control panel 3 is electrically connected to the motor 5 so that the operation of the motor 5 can be controlled.

[0036] Working principle: When the device is needed, the motor 5 is started to rotate the rotating shaft 15, which drives the stirring blade 17 and the telescopic rod 16 to rotate, and the upper scraper 18 and the lower scraper 19 are rotated to stir the solution, thereby achieving stirring and mixing of the solution and scraping of the material on the inner wall of the tank body 2, so as to avoid the material adhering to the inner wall and affecting the later use; when the material is mixed to generate gas, the piston rod 14 is pushed by the gas to push the movable plug 10 to squeeze the spring 11, so that the gas is discharged through the exhaust port 13, avoiding accumulation inside the device, and achieving effective discharge of the gas inside the device, and the impurities contained in the gas or the splashing of part of the liquid due to excessive air pressure inside the device are filtered and blocked by the filter 12, so as to avoid the splashing of impurities or liquid when the gas is discharged.

[0037] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A methyl carbamate synthesis device, comprising a tank (2), characterized in that: An exhaust pipe (4) is fixedly connected to the upper right side of the tank body (2), a piston rod (14) is slidably connected to the inner bottom side of the exhaust pipe (4), a movable plug (10) is fixedly connected to the top end of the piston rod (14), a spring (11) is provided on the outer upper side of the movable plug (10), one end of the spring (11) is fixedly connected to the inner top wall of the exhaust pipe (4), an exhaust port (13) is provided on both the left and right sides of the exhaust pipe (4), a filter screen (12) is provided on both the left and right sides of the exhaust pipe (4), the filter screen (12) is arranged inside the exhaust port (13), and a feed assembly is fixedly connected to the upper left side of the tank body (2).

2. A methyl carbamate synthesis device according to claim 1, characterized in that: The feed assembly comprises a feed pipe (6), the feed pipe (6) is fixedly connected to the upper left side of the tank body (2), and a first valve (7) is arranged outside the feed pipe (6).

3. A methyl carbamate synthesis device according to claim 1, characterized in that: The upper part of the tank body (2) is fixedly connected to a motor (5), the output end of the motor (5) is fixedly connected to a rotating shaft (15), the front and rear ends of the rotating shaft (15) are evenly distributed up and down and fixedly connected to stirring blades (17), the left and right sides of the rotating shaft (15) are fixedly connected to three telescopic rods (16), one end of the telescopic rod (16) is fixedly connected to an upper scraper (18), and the bottom of the upper scraper (18) is fixedly connected to a lower scraper (19).

4. A methyl carbamate synthesis device according to claim 3, characterized in that: The rotating shaft (15) is rotatably connected to the inside of the tank body (2), and the upper scraper (18) and the lower scraper (19) are both in contact with the inner wall of the tank body (2).

5. A methyl carbamate synthesis device according to claim 1, characterized in that: A discharge pipe (8) is fixedly connected to the bottom of the tank body (2), and a second valve (9) is arranged outside the discharge pipe (8).

6. A methyl carbamate synthesis device according to claim 2, characterized in that: The four corners of the bottom of the tank body (2) are fixedly connected with support legs (1).

7. A methyl carbamate synthesis device according to claim 1, characterized in that: A control panel (3) is provided on the front side of the tank body (2).

8. A methyl carbamate synthesis device according to claim 1, characterized in that: The movable plug (10) is slidably connected inside the exhaust pipe (4).

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