Ethylene glycol dimethyl ether production device
By introducing a mixing mechanism and a multi-nozzle design into the ethylene glycol dimethyl ether production unit, the problem of poor stirring effect in the existing unit has been solved, and a more efficient reaction effect has been achieved.
Patent Information
- Application Number
- CN202520433395.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-13
- Publication Date
- 2026-02-03
- Estimated Expiration
- 2035-03-13
AI Technical Summary
In existing ethylene glycol dimethyl ether production plants, the stirring effect of spiral stirring blades is not good, resulting in incomplete reaction.
It employs a mixing mechanism, including a motor, rotating rod, blades, transmission rod, circular plate, reciprocating rod, and conical tooth structure. Through eccentric motion and multiple nozzle design, it achieves complex mixing modes and uniform gas distribution.
It improves the reaction efficiency of raw materials and enhances the stirring effect, making the reaction more complete and uniform.
Smart Images
Figure CN223861855U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of chemical product production equipment, specifically to an ethylene glycol dimethyl ether production equipment. Background Technology
[0002] The production of ethylene glycol dimethyl ether uses ethylene glycol methyl ether as a raw material. It first reacts with sodium hydroxide to produce sodium ethylene glycol methyl ether, and then reacts with chloromethane to produce crude ethylene glycol dimethyl ether. After precipitation, pre-separation, dehydration, and distillation, the finished ethylene glycol dimethyl ether is obtained.
[0003] According to Chinese Patent Publication No. CN214863489U, a reaction vessel for the production of ethylene glycol dimethyl ether includes a vessel body. A stirring motor is located at the center of the upper end face of the vessel body. The output end of the stirring motor is connected to a stirring shaft via a coupling. The stirring shaft passes through the center of the upper end face of the vessel body and extends into the vessel body. Multiple spiral stirring blades are evenly and symmetrically arranged in the lower part of the stirring shaft. A thermometer, a pressure gauge, and multiple feed pipes are also located on the upper end face of the vessel body. A negative pressure interface is located at the upper part of the vessel body. A discharge pipe is located at the center of the lower end face of the vessel body. An L-shaped air inlet pipe is sleeved in the discharge pipe, with the right side of the L-shaped air inlet pipe... The end of the L-shaped air inlet pipe is installed on the side wall of the discharge pipe, and the upper end of the L-shaped air inlet pipe is equipped with a gas disperser connected to its gas path. The gas disperser is located at the bottom of the vessel body, and the gas disperser is set up without interfering with the stirring shaft and the spiral stirring blades. This utility model has the advantages of uniform gas distribution, complete and thorough reaction, low cost, and good performance. The above-mentioned equipment promotes the reaction effect by rotating spiral stirring blades, but the spiral stirring blades can only rotate laterally, resulting in poor stirring effect and limited promotion effect. Therefore, an ethylene glycol dimethyl ether production device is proposed to solve the above-mentioned problems. Utility Model Content
[0004] The technical problem to be solved by this utility model is to provide an ethylene glycol dimethyl ether production apparatus in response to the shortcomings of the prior art.
[0005] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is: an ethylene glycol dimethyl ether production device, including a vessel body, a mixing mechanism provided on the vessel body, the mixing mechanism including a motor, a rotating rod, a first blade, a transmission rod, a circular plate, and a reciprocating rod, the rotating rod being fixedly connected to the output shaft of the motor, the first blade being fixedly connected to the outer wall of the rotating rod, one end of the transmission rod being fixedly connected to one side of the circular plate at a non-center position, the reciprocating rod penetrating the top of the vessel body, and a second blade being fixedly connected to the outer wall, the circular plate being located at the top of the reciprocating rod, and the rotating rod penetrating the top of the vessel body and being rotatably connected to the vessel body.
[0006] Preferably, the reciprocating rod is slidably connected to the vessel body, a circular sleeve is fixedly connected to the top of the vessel body, a movable plate is fixedly sleeved on the outer wall of the reciprocating rod, and a spring is sleeved on the outer wall of the reciprocating rod. By setting the spring, the reciprocating rod can be driven to move upward and reset.
[0007] Preferably, the movable plate is slidably connected inside the circular sleeve, the reciprocating rod passes through the circular sleeve, and the two ends of the spring are fixedly connected to the bottom of the movable plate and the top of the vessel body, respectively.
[0008] Preferably, the outer wall of the motor output shaft is fixedly fitted with a bevel tooth one, and the bevel tooth one is meshed with a bevel tooth two. The bevel tooth two is fixedly connected to the other end of the transmission rod. By setting the bevel tooth one and the bevel tooth two, the transmission rod can be driven.
[0009] Preferably, a vertical rod is fixedly connected to the top of the vessel body, and a limiting sleeve is fixedly connected to the top of the vertical rod. The transmission rod passes through the limiting sleeve and is connected to the limiting sleeve through a bearing. The limiting sleeve and the vertical rod are provided to ensure stable lateral rotation of the transmission rod, thereby ensuring stable transmission. The bearing is fixed inside the limiting sleeve, and the outer wall of the transmission rod is fixedly connected to the inner ring of the bearing.
[0010] Preferably, the interior of the vessel body is provided with an annular tube, and a connecting pipe is connected to the annular tube. A conveying pipe is connected to the bottom of the connecting pipe, and a vertical tube is connected to the top of the annular tube. The outer wall of the vertical tube is provided with nozzles. There are four vertical tubes, and multiple nozzles are linearly arrayed on each vertical tube.
[0011] The present invention adopts the above technical solution, which can bring the following beneficial effects:
[0012] 1. In this ethylene glycol dimethyl ether production device, after the raw materials are fed into the interior of the reactor, the motor is started to drive the rotating rod to rotate. The rotating rod drives the first blade to rotate laterally. The first and second bevel teeth drive the transmission rod, causing the transmission rod to drive the circular plate to make eccentric motion and continuously squeeze the reciprocating rod. The reciprocating rod moves up and down continuously with the cooperation of the circular sleeve, the movable plate and the spring, thereby causing the second blade to move up and down continuously, which in turn works with the first blade to improve the stirring effect and make the raw material reaction effect better.
[0013] 2. This ethylene glycol dimethyl ether production device can deliver chloromethane gas to the connecting pipe through a conveying pipe. The chloromethane gas then flows into multiple vertical pipes through a ring pipe. The multiple vertical pipes are arranged in a circumferential array on the ring pipe, so that the chloromethane gas is evenly delivered into the interior of the reactor, further improving the reaction effect. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the structure of this utility model;
[0015] Figure 2This is a cross-sectional view of the present invention;
[0016] Figure 3 This is a schematic diagram of the hybrid mechanism structure of this utility model.
[0017] In the diagram: 1. Kettle body; 2. Mixing mechanism; 21. Motor; 22. Rotating rod; 23. Blade 1; 24. Conical tooth 1; 25. Conical tooth 2; 26. Transmission rod; 27. Circular plate; 28. Reciprocating rod; 29. Blade 2; 210. Circular sleeve; 211. Movable plate; 212. Spring; 213. Vertical rod; 214. Limiting sleeve; 3. Circular pipe; 4. Connecting pipe; 5. Conveying pipe; 6. Vertical pipe. Detailed Implementation
[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0019] Please see Figure 1-3One embodiment of this utility model is as follows: an ethylene glycol dimethyl ether production device, including a vessel body 1, on which two pipes are respectively installed to transport ethylene glycol methyl ether and sodium hydroxide. Ethylene glycol methyl ether and sodium hydroxide are pumped in by an external pump. A mixing mechanism 2 is installed on the vessel body 1, including a motor 21, a rotating rod 22, a blade 23, a transmission rod 26, a circular plate 27, and a reciprocating rod 28. The rotating rod 22 is fixedly connected to the output shaft of the motor 21. The motor 21 is located above the vessel body 1 and can be installed using an L-shaped plate or a U-shaped plate (not shown). The blade 23 is fixed. Connected to the outer wall of the rotating rod 22, one end of the transmission rod 26 is fixedly connected to one side of the circular plate 27 at a non-center position. The reciprocating rod 28 penetrates the top of the vessel body 1, and blades 29 are fixedly connected to its outer wall. The circular plate 27 is located at the top of the reciprocating rod 28. The rotating rod 22 penetrates the top of the vessel body 1 and is rotatably connected to the vessel body 1. The reciprocating rod 28 is slidably connected to the vessel body 1. A circular sleeve 210 is fixedly connected to the top of the vessel body 1. A movable plate 211 is fixedly sleeved on the outer wall of the reciprocating rod 28. A spring 212 is sleeved on the outer wall of the reciprocating rod 28. By setting the spring 212, the reciprocating rod 28 can be driven to move upwards. The movable plate 211 is slidably connected inside the circular sleeve 210. The reciprocating rod 28 passes through the circular sleeve 210. The two ends of the spring 212 are fixedly connected to the bottom of the movable plate 211 and the top of the vessel body 1, respectively. The elastic force of the spring 212 is sufficient to drive the reciprocating rod 28 upward when set. A sealing sleeve can be installed at the through-hole of the reciprocating rod 28 and the rotating rod 22 to improve the sealing performance of the vessel body 1. The shapes of blade 1 23 and blade 29 are set according to the actual situation. The outer wall of the output shaft of the motor 21 is fixedly sleeved with bevel tooth 24, and bevel tooth 24 is meshed with bevel tooth 25. The second bevel tooth 25 is fixedly connected to the other end of the transmission rod 26. The transmission rod 26 can be driven by the first bevel tooth 24 and the second bevel tooth 25. The top of the vessel body 1 is fixedly connected to the upright rod 213, and the top of the upright rod 213 is fixedly connected to the limiting sleeve 214. The transmission rod 26 passes through the limiting sleeve 214 and is connected to the limiting sleeve 214 through the bearing. The limiting sleeve 214 and the upright rod 213 are set to ensure the stable lateral rotation of the transmission rod 26, thereby ensuring stable transmission. The bearing is fixed inside the limiting sleeve 214, and the outer wall of the transmission rod 26 is fixedly connected to the inner ring of the bearing.
[0020] Working principle: After the raw materials are fed into the interior of the reactor body 1, the motor 21 is started to drive the rotating rod 22 to rotate. The rotating rod 22 drives the blade 23 to rotate laterally. The bevel teeth 24 and 25 drive the transmission rod 26, which in turn drives the circular plate 27 to make eccentric movements and continuously squeeze the reciprocating rod 28. The reciprocating rod 28 moves up and down continuously with the cooperation of the circular sleeve 210, the movable plate 211 and the spring 212, which causes the blade 29 to move up and down continuously. This, in turn, works with the blade 23 to improve the stirring effect and make the reaction of the raw materials better.
[0021] Please see Figure 1-3 Based on the above embodiments, in another embodiment of the present invention, the interior of the vessel body 1 is provided with an annular tube 3, and a connecting tube 4 is connected to the annular tube 3. A conveying tube 5 is connected to the bottom of the connecting tube 4, and a vertical tube 6 is connected to the top of the annular tube 3. A nozzle is provided on the outer wall of the vertical tube 6. There are four vertical tubes 6, and multiple nozzles are linearly arrayed on each vertical tube 6.
[0022] Working principle: By setting up the delivery pipe 5, chloromethane gas can be delivered to the connecting pipe 4. The chloromethane gas then flows into multiple vertical pipes 6 through the annular pipe 3. The multiple vertical pipes 6 are arranged in a circumferential array on the annular pipe 3, so that the chloromethane gas is evenly delivered into the interior of the reactor body 1, further improving the reaction effect.
[0023] It is worth noting that all the technologies not described in the above specification are existing technologies and are not the main innovations. They will not be described in detail here, and some are not shown. For details, please refer to the existing technologies in the background section.
[0024] This utility model provides an apparatus for producing ethylene glycol dimethyl ether. There are many methods and approaches to implement this technical solution; the above is merely a preferred embodiment of this utility model. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of this utility model, and these improvements and modifications should also be considered within the scope of protection of this utility model. All components not explicitly stated in this embodiment can be implemented using existing technology.
Claims
1. An apparatus for producing ethylene glycol dimethyl ether, comprising a vessel body (1), characterized in that: The vessel body (1) is provided with a mixing mechanism (2), which includes a motor (21), a rotating rod (22), a blade (23), a transmission rod (26), a circular plate (27), and a reciprocating rod (28). The rotating rod (22) is fixedly connected to the output shaft of the motor (21), the blade (23) is fixedly connected to the outer wall of the rotating rod (22), one end of the transmission rod (26) is fixedly connected to one side of the circular plate (27) at a non-center position, the reciprocating rod (28) penetrates the top of the vessel body (1), and a blade (29) is fixedly connected to the outer wall. The circular plate (27) is located at the top of the reciprocating rod (28), and the rotating rod (22) penetrates the top of the vessel body (1) and is rotatably connected to the vessel body (1).
2. The ethylene glycol dimethyl ether production apparatus according to claim 1, characterized in that: The reciprocating rod (28) is slidably connected to the vessel body (1). A round sleeve (210) is fixedly connected to the top of the vessel body (1). A movable plate (211) is fixedly sleeved on the outer wall of the reciprocating rod (28). A spring (212) is sleeved on the outer wall of the reciprocating rod (28).
3. The ethylene glycol dimethyl ether production apparatus according to claim 2, characterized in that: The movable plate (211) is slidably connected inside the sleeve (210), the reciprocating rod (28) passes through the sleeve (210), and the two ends of the spring (212) are fixedly connected to the bottom of the movable plate (211) and the top of the vessel body (1), respectively.
4. The ethylene glycol dimethyl ether production apparatus according to claim 1, characterized in that: The outer wall of the output shaft of the motor (21) is fixedly fitted with a bevel tooth (24), and the bevel tooth (24) is meshed with a bevel tooth (25). The bevel tooth (25) is fixedly connected to the other end of the transmission rod (26).
5. The ethylene glycol dimethyl ether production apparatus according to claim 4, characterized in that: The top of the vessel body (1) is fixedly connected to a vertical rod (213), and the top of the vertical rod (213) is fixedly connected to a limiting sleeve (214). The transmission rod (26) passes through the limiting sleeve (214) and is connected to the limiting sleeve (214) through a bearing.
6. The ethylene glycol dimethyl ether production apparatus according to claim 1, characterized in that: The inside of the vessel body (1) is provided with an annular tube (3), and a connecting pipe (4) is connected to the annular tube (3). A conveying pipe (5) is connected to the bottom of the connecting pipe (4), and a vertical pipe (6) is connected to the top of the annular tube (3). A nozzle is provided on the outer wall of the vertical pipe (6).