Acetate synthesis tower

By introducing a stirring system and cooling water circulation into the acetate synthesis tower, the problem of the volatility of acetate compounds was solved, the cooling and stirring effects were improved, and the ease of observation was enhanced.

CN224127286UActive Publication Date: 2026-04-17QINGDAO HIGHLY CHEM NEW MATERIALS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
QINGDAO HIGHLY CHEM NEW MATERIALS CO LTD
Filing Date
2025-05-13
Publication Date
2026-04-17

AI Technical Summary

Technical Problem

Acetate compounds have low volatility and boiling point, making them prone to volatilization during processing and affecting processing results.

Method used

An acetate synthesis tower was designed, which uses a drive motor to drive the stirring shaft and stirring blades for stirring. Combined with a cooling water circulation system of upper and lower ring pipes and connecting pipes, the cooling effect is improved, and the design of observation window and folding blades improves the convenience of observation.

Benefits of technology

It improves the cooling effect and stirring efficiency of acetate compounds, while also enhancing the ease of observation and improving the processing effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of acetate synthetic towers, and discloses an acetate synthetic tower which comprises a tower body, a driving motor is installed in the middle of the top of the tower body, the output end of the driving motor is in transmission connection with a stirring shaft through a coupler, and the side edge of a lower annular pipe is communicated with a water outlet. The bottom of the upper annular pipe and the top of the lower annular pipe are both communicated with communicating pipes, and a flow dividing pipe is communicated between the upper communicating pipe and the lower communicating pipe. The upper ring pipe and the lower ring pipe are fixed in the tower body through the mounting pieces, the lower ring pipe is assembled at the lower position in the tower body, and the upper ring pipe is assembled at the upper position in the tower body, so that cooling water can be introduced at the position of the water inlet during working, and after passing through the upper ring pipe, the cooling water is distributed by the flow dividing pipe under the communication of the communicating pipe, so that the cooling water can be recycled. And after flow distribution, cooling water can be temporarily stored at the position of the lower ring pipe, or after the cooling water is discharged at the position of the water outlet, the cooling water is replaced, so that the overall cooling effect is better improved in the working process.
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Description

Technical Field

[0001] This utility model relates to the field of acetate synthesis tower technology, specifically an acetate synthesis tower. Background Technology

[0002] Acetates are a class of ester compounds formed by the reaction of acetic acid (acetic acid) with alcohols. Acetates have a wide range of chemical formulas, usually represented as R-COOCH3, where R can be different alkyl or aryl groups. Common acetates include methyl acetate, ethyl acetate, propyl acetate, butyl acetate, etc.

[0003] In the production of acetate esters, a synthesis tower is used. An acetate ester synthesis tower is a device used to synthesize acetate ester compounds. Acetate ester compounds usually have low volatility, low boiling point, and are easy to volatilize. Therefore, if the temperature is high during processing, it can directly affect the processing effect. Utility Model Content

[0004] The purpose of this invention is to provide an acetate synthesis tower to solve the problem mentioned in the background art that acetate compounds generally have low volatility, low boiling point, and are easy to volatilize.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an acetate synthesis tower, comprising a tower body, a drive motor installed at the middle position of the top of the tower body, a stirring shaft connected to the output end of the drive motor via a coupling, stirring blades fixed on both sides of the stirring shaft, an upper ring pipe installed at the upper position of the tower body, a lower ring pipe installed at the lower position of the tower body, mounting plates for connection fixed between the lower ring pipe and the upper ring pipe and the inner wall of the tower body, a water inlet connected to the side of the upper ring pipe, a drain outlet connected to the side of the lower ring pipe, a connecting pipe connected to the bottom of the upper ring pipe and the top of the lower ring pipe, and a diversion pipe connected between the upper and lower connecting pipes.

[0006] As a further technical solution of this utility model, the stirring blades are evenly distributed in two sets on the outer wall surface of the stirring shaft, and the two stirring blades in each set are symmetrically distributed about the central axis of the stirring shaft.

[0007] As a further technical solution of this utility model, the combined length between the left and right stirring blades is less than the inner ring diameter of the lower ring pipe and the upper ring pipe, and valves are installed on both the drain port and the inlet port.

[0008] As a further technical solution of this utility model, the connecting pipes are symmetrically distributed about the central axis of the branch pipes, the connecting pipes and the branch pipes are interconnected, the top connecting pipe is connected to the upper ring pipe, and the bottom connecting pipe is connected to the lower ring pipe.

[0009] As a further technical solution of this utility model, the top of the tower body is connected to both sides of the feed port and the bottom of the tower body is connected to the middle position of the discharge port, and valves are installed in both the feed port and the discharge port.

[0010] As a further technical solution of this utility model, an observation window is fixed on the front end face of the tower body, a fixing block is fixed at the front end of the tower body above the observation window, a folding leaf is fixed at the bottom of the fixing block, and a hook is fixed at the front end of the tower body below the observation window.

[0011] As a further technical solution of this utility model, a connecting rope is fixed at the rear of the bottom of the fixing block, and a reserved groove is opened in the connecting rope.

[0012] As a further technical solution of this utility model, a fixing cap is fixed to the front end of the fixing block. The fixing cap is symmetrically distributed about the central axis of the fixing block. The connecting rope is symmetrically distributed about the central axis of the fixing block. The connecting rope and the fixing cap are located in the same front-back direction.

[0013] Compared with the prior art, the beneficial effects of this utility model are: this type of acetate synthesis tower not only improves the cooling effect, but also improves the observation capability and stirring effect of the acetate synthesis tower.

[0014] (1) By using mounting plates to fix the upper and lower ring pipes inside the tower body, the lower ring pipe is installed in the lower part of the tower body, while the upper ring pipe is installed in the upper part of the tower body. During operation, cooling water can be introduced into the inlet. After passing through the upper ring pipe, the cooling water is distributed by the diversion pipe under the connection of the connecting pipe. After distribution, it can be temporarily stored in the lower ring pipe or discharged in the drain outlet and then the cooling water is replaced. In this way, the overall cooling effect is improved in the operation process.

[0015] (2) By installing and fixing the observation window on the front end of the tower, the observation window can be used to observe the reaction state in the tower. Fix the fixing block above the observation window. When not observing, the folding leaf can be pulled down and extended so that the hanging ring at the bottom of the folding leaf is attached to the hook. When observation is needed, the hanging ring is removed, and then the folding leaf is folded up. After the connecting rope is wrapped around the folding leaf, it is fastened to the fixed round cap using the reserved groove. This allows the folding leaf to be stored, thus improving the convenience of observation.

[0016] (3) By installing the drive motor at the middle position of the top of the tower, and then using a coupling to connect the stirring shaft at the output end of the drive motor, the stirring shaft runs through the hollow area of ​​the lower ring pipe and the upper ring pipe, and the stirring blade is also accommodated in the hollow area. After feeding at the feed inlet, the drive motor is started to drive the stirring shaft to rotate. In this way, the stirring shaft and stirring blade are used to stir the raw materials, thereby improving the synthesis efficiency. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0018] Figure 2 This is a front view structural diagram of the present invention;

[0019] Figure 3 This is a schematic diagram of the three-dimensional structure of the folding leaf of this utility model;

[0020] Figure 4 This is a three-dimensional structural diagram of the upper ring tube of this utility model.

[0021] In the diagram: 1. Tower body; 2. Drive motor; 3. Feed inlet; 4. Mounting plate; 5. Stirring shaft; 6. Stirring blade; 7. Drain outlet; 8. Lower ring pipe; 9. Discharge outlet; 10. Diverter pipe; 11. Upper ring pipe; 12. Water inlet; 13. Fixing block; 14. Observation window; 15. Hook; 16. Folding blade; 17. Fixing round cap; 18. Connecting rope; 19. Reserved groove; 20. Connecting pipe. Detailed Implementation

[0022] 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.

[0023] Please see Figure 1-4 An embodiment of this utility model provides an acetate synthesis tower, comprising a tower body 1, a drive motor 2 installed at the middle position of the top of the tower body 1, a stirring shaft 5 connected to the output end of the drive motor 2 via a coupling, stirring blades 6 fixed on both sides of the stirring shaft 5, an upper ring pipe 11 installed at the upper position inside the tower body 1, a lower ring pipe 8 installed at the lower position inside the tower body 1, mounting plates 4 for connection are fixed between the lower ring pipe 8 and the upper ring pipe 11 and the inner wall of the tower body 1, a water inlet 12 is connected to the side of the upper ring pipe 11, a drain outlet 7 is connected to the side of the lower ring pipe 8, a connecting pipe 20 is connected to the bottom of the upper ring pipe 11 and the top of the lower ring pipe 8, and a diversion pipe 10 is connected between the upper and lower connecting pipes 20.

[0024] Two sets of stirring blades 6 are evenly distributed on the outer wall of the stirring shaft 5, with two stirring blades 6 in each set symmetrically distributed about the central axis of the stirring shaft 5.

[0025] The combined length between the left and right stirring blades 6 is less than the inner ring diameter of the lower ring pipe 8 and the upper ring pipe 11. Valves are installed on both the drain port 7 and the inlet port 12.

[0026] The connecting pipes 20 are symmetrically distributed about the central axis of the branch pipes 10. The connecting pipes 20 and the branch pipes 10 are interconnected. The top connecting pipe 20 is connected to the upper ring pipe 11, and the bottom connecting pipe 20 is connected to the lower ring pipe 8.

[0027] The top of the tower body 1 has inlet ports 3 connected to both sides, and the bottom of the tower body 1 has outlet port 9 connected to the middle position. Both inlet ports 3 and outlet ports 9 are equipped with valves.

[0028] An observation window 14 is fixed on the front end face of the tower body 1. A fixing block 13 is fixed above the observation window 14 at the front end of the tower body 1. A folding leaf 16 is fixed at the bottom of the fixing block 13. A hook 15 is fixed below the observation window 14 at the front end of the tower body 1.

[0029] A connecting rope 18 is fixed at the rear of the bottom of the fixing block 13, and a reserved groove 19 is provided in the connecting rope 18.

[0030] A fixing cap 17 is fixed to the front end of the fixing block 13. The fixing cap 17 is symmetrically distributed about the central axis of the fixing block 13. The connecting rope 18 is symmetrically distributed about the central axis of the fixing block 13. The connecting rope 18 and the fixing cap 17 are located in the same front-back direction.

[0031] Furthermore, when not observing, the folding leaf 16 can be pulled down and extended, allowing the hanging ring at the bottom of the folding leaf 16 to be attached to the hook 15. When observation is needed, the hanging ring can be removed, and then the folding leaf 16 can be folded upwards. After the connecting rope 18 is wrapped around the folding leaf 16, it can be fastened to the fixed round cap 17 using the reserved slot 19. This allows the folding leaf 16 to be stored. Therefore, the necessary hanging ring is fixed at the center of the bottom of the folding leaf 16.

[0032] Working principle: First, during operation, the upper ring pipe 11 and lower ring pipe 8 are fixed inside the tower body 1 using the mounting plate 4. The lower ring pipe 8 is installed at the lower part of the tower body 1, while the upper ring pipe 11 is installed at the upper part of the tower body 1. The stirring shaft 5 is connected to the output end of the drive motor 2 by a coupling. The stirring shaft 5 passes through the hollow area of ​​the lower ring pipe 8 and the upper ring pipe 11, and the stirring blade 6 is also accommodated in the hollow area. After feeding at the feed inlet 3, the drive motor 2 is started to drive the stirring shaft 5 to rotate. The stirring shaft 5 and the stirring blade 6 are used to stir the raw materials. During operation, cooling water can be introduced at the water inlet 12. After passing through the upper ring pipe 11, the cooling water is distributed by the diverter pipe 10 under the connection of the connecting pipe 20. After distribution, it can be temporarily stored at the lower ring pipe 8, or discharged at the drain outlet 7 and the cooling water is replaced.

[0033] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

Claims

1. An acetic acid ester synthesis column comprising a column body (1), characterized in that: A drive motor (2) is installed at the middle position of the top of the tower body (1). The output end of the drive motor (2) is connected to a stirring shaft (5) via a coupling. Stirring blades (6) are fixed on both sides of the stirring shaft (5). An upper ring pipe (11) is installed at the upper position inside the tower body (1), and a lower ring pipe (8) is installed at the lower position inside the tower body (1). Mounting plates (4) for connection are fixed between the lower ring pipe (8) and the upper ring pipe (11) and the inner wall of the tower body (1). A water inlet (12) is connected to the side of the upper ring pipe (11), and a drain outlet (7) is connected to the side of the lower ring pipe (8). A connecting pipe (20) is connected to the bottom of the upper ring pipe (11) and the top of the lower ring pipe (8). A diversion pipe (10) is connected between the upper and lower connecting pipes (20).

2. An acetic acid ester synthesis column according to claim 1, characterized in that: The stirring blades (6) are evenly distributed in two sets on the outer wall of the stirring shaft (5), and the two stirring blades (6) in each set are symmetrically distributed about the central axis of the stirring shaft (5).

3. An acetic acid ester synthesis column according to claim 2, characterized in that: The combined length between the left and right stirring blades (6) is less than the inner ring diameter of the lower ring pipe (8) and the upper ring pipe (11), and valves are installed on both the drain port (7) and the inlet port (12).

4. The acetate synthesis column of claim 1, wherein: The connecting pipe (20) is symmetrically distributed about the central axis of the branch pipe (10). The connecting pipe (20) and the branch pipe (10) are interconnected. The top connecting pipe (20) is connected to the upper ring pipe (11), and the bottom connecting pipe (20) is connected to the lower ring pipe (8).

5. The acetate synthesis column of claim 1, wherein: The top of the tower body (1) is connected to both sides of the feed inlet (3), and the bottom of the tower body (1) is connected to the middle position of the discharge outlet (9). Valves are installed in both the feed inlet (3) and the discharge outlet (9).

6. The acetate synthesis column of claim 1, wherein: An observation window (14) is fixed on the front end face of the tower body (1). A fixing block (13) is fixed above the observation window (14) at the front end of the tower body (1). A folding leaf (16) is fixed at the bottom of the fixing block (13). A hook (15) is fixed below the observation window (14) at the front end of the tower body (1).

7. An acetate synthesis column according to claim 6, characterised in that: A connecting rope (18) is fixed at the rear bottom of the fixing block (13), and a reserved groove (19) is provided in the connecting rope (18).

8. An acetate synthesis column according to claim 7, characterised in that: The front end of the fixing block (13) is fixed with a fixing cap (17). The fixing cap (17) is symmetrically distributed about the central axis of the fixing block (13). The connecting rope (18) is symmetrically distributed about the central axis of the fixing block (13). The connecting rope (18) and the fixing cap (17) are located in the same front-back direction.