Bubbling type isobutyric acid reaction tower

Abstract

The utility model discloses a bubbling type isobutyric acid reaction tower, which relates to the technical field of isobutyric acid production and comprises a tower body, a tower cover is arranged at the top of the tower body, an air inlet pipe is rotatably arranged in the middle of the bottom end of the tower body, a hollow disc is arranged at the top of the air inlet pipe, and a plurality of air outlet holes are uniformly formed in the top end of the hollow disc at intervals. A stirring rod is arranged in the middle of the top end of the hollow disc, a plurality of uniformly spaced stirring blades are arranged on the surface of the stirring rod, and a circular ring is arranged at the top of the tower body; the isobutyric acid bubbling tower has the beneficial effects that by adopting a bubbling mode, gas is uniformly distributed and enters the tower in a form of small bubbles, the contact area of the gas and liquid is increased, the reaction effect of isobutyric acid is improved, the product quality and the production efficiency are improved, the tower cover is convenient to disassemble, and the production cost is reduced. Materials remaining on the inner wall of the tower body for a long time can be conveniently cleaned, the production quality of isobutyric acid is ensured, and secondary use of the reaction tower is not affected.

Description

Technical Field

[0001] The utility model relates to a reaction tower, in particular to a bubbling isobutyric acid reaction tower, belonging to the technical field of isobutyric acid production. Background Art

[0002] Isobutyric acid, also known as 2-methylpropionic acid, has a CAS registration number of 79-31-2, a molecular formula of C4H8O2, a molecular weight of 88.11, and is a colorless liquid with a pungent odor. It is used to synthesize isobutyric acid esters, such as methyl isobutyrate, propyl isobutyrate, isopentyl isobutyrate, benzyl isobutyrate, etc. It can be used as a edible flavoring and is also used in pharmaceuticals. A reaction tower is used in the synthesis or conversion of isobutyric acid.

[0003] At present, a stirred kettle is usually used in the isobutyric acid reaction process. However, there are problems such as uneven gas-liquid mixing and long reaction time during the stirring process, which affect the quality and efficiency of the product. In addition, the inner wall of the reactor is easily corroded by the material after long-term use, which affects the quality of the product and also affects the secondary use of the reactor. Utility Model Content

[0004] The utility model aims to provide a bubbling isobutyric acid reaction tower to solve the problems in the above-mentioned background technology that the gas-liquid mixing effect in the isobutyric acid reaction is poor and it is inconvenient to clean the inner wall of the reaction tower.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a bubbling isobutyric acid reaction tower, comprising a tower body, a tower cover is provided on the top of the tower body, an air inlet pipe is rotatably provided in the middle of the bottom end of the tower body, a hollow disk is provided on the top of the air inlet pipe, and a plurality of evenly spaced air outlet holes are opened on the top of the hollow disk, a stirring rod is provided in the middle of the top of the hollow disk, and a plurality of evenly spaced stirring blades are provided on the surface of the stirring rod, a circular ring is provided on the top of the tower body, three evenly spaced positioning blocks are provided at the bottom of the tower cover, three evenly spaced support blocks are provided at the top of the circular ring, and a limit assembly is provided inside the support block, and a rotating assembly is provided on one side of the bottom end of the tower body.

[0006] As a preferred technical solution of the utility model, a feed pipe is provided at the top of one side of the tower body, a feed valve is provided in the middle of the feed pipe, a discharge pipe is provided at the bottom of one side of the tower body, a discharge valve is provided in the middle of the discharge pipe, an air outlet pipe is provided at the top of the tower cover, and an air outlet valve is provided in the middle of the air outlet pipe.

[0007] As a preferred technical solution of the utility model, an air supply pipe is rotatably provided at the bottom end of the air inlet pipe, and a flange is provided at the bottom end of the air supply pipe. A mechanical seal 1 is provided at the connection between the air inlet pipe and the tower body, and a mechanical seal 2 is provided between the air inlet pipe and the air supply pipe.

[0008] As a preferred technical solution of the utility model, a sealing strip is provided at the bottom end of the tower cover, and a sealing groove corresponding to the sealing strip is opened in the middle of the top end of the tower body.

[0009] As a preferred technical solution of the utility model, a positioning groove matching the positioning block is opened on the surface of the circular ring, and the positioning block is engaged and connected with the positioning groove.

[0010] As a preferred technical solution of the utility model, the rotating assembly includes a motor, which is fixedly installed on one side of the bottom end of the tower body. The output shaft of the motor is provided with a pulley 1, and the middle part of the air intake pipe is provided with a pulley 2. The pulley 1 and the pulley 2 are connected by a transmission belt.

[0011] As a preferred technical solution of the utility model, the limit assembly includes a threaded rod, which is threadedly connected to the middle of the support block, one end of the threaded rod is rotatably provided with an inclined block, and the top of the positioning block is provided with an inclined groove matching the inclined block.

[0012] As a preferred technical solution of the utility model, two guide rods are slidably provided in the middle of the support block, one end of the guide rod is fixedly connected to one side of the inclined block, and the other end of the threaded rod is provided with a knob.

[0013] Compared with the related art, the bubbling isobutyric acid reaction tower provided by the utility model has the following beneficial effects:

[0014] 1. Through the air inlet pipe arranged at the tower body of the reaction tower, the gas can be transported to the inside of the tower body, and a hollow disk with an air outlet is arranged at the top of the air inlet pipe. The bubbling method is adopted to ensure that the gas is evenly distributed and enters the tower in the form of small bubbles, thereby increasing the contact area between the gas and the liquid, improving the reaction effect of the isobutyric acid itself, and improving the quality and production efficiency of the product. In addition, the driving component is matched with the stirring method to make the hollow disk rotate, and the stirring plate is used to fully stir the gas and liquid, thereby increasing the contact area between the gas and the liquid and improving the gas-liquid mixing effect;

[0015] 2. By setting a limit assembly at the tower body and utilizing the positioning block at the tower cover, the tower cover and the tower body are installed and positioned. By rotating the threaded rod, the inclined block can slide in the inclined groove on the surface of the positioning block, thereby facilitating the sealing between the tower cover and the tower body and facilitating the disassembly of the tower cover and the cleaning of the materials remaining on the inner wall of the tower body for a long time, thereby ensuring the production quality of isobutyric acid and ensuring that the reaction tower does not affect the secondary use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model;

[0017] Figure 2 It is a schematic diagram of the explosion structure of the tower body of the utility model;

[0018] Figure 3 It is a schematic diagram of the cross-sectional structure of the tower body of the utility model;

[0019] Figure 4 For this utility model Figure 3 A schematic diagram of the enlarged structure at point A;

[0020] Figure 5 It is a schematic diagram of the explosion structure of the tower cover of the utility model;

[0021] Figure 6 It is a structural schematic diagram of the support block of the utility model.

[0022] In the figure: 1. tower body; 2. tower cover; 3. air inlet pipe; 4. hollow disk; 5. air outlet; 6. stirring rod; 7. stirring blade; 8. ring; 9. positioning block; 11. rotating assembly; 1101. motor; 1102. pulley 1; 1103. pulley 2; 1104. transmission belt; 12. air delivery pipe; 13. support block; 14. limit assembly; 1401. threaded rod; 1402. inclined block; 1403. guide rod; 1404. knob; 15. sealing strip; 16. positioning groove; 17. feed pipe; 18. discharge pipe; 19. air outlet pipe. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figure 1-6The utility model provides a bubbling isobutyric acid reaction tower, comprising a tower body 1, a tower cover 2 is arranged on the top of the tower body 1, an air inlet pipe 3 is rotatably arranged in the middle of the bottom end of the tower body 1, and it is convenient to cooperate with the gas transmission equipment to transport gas to the air inlet pipe 3, so that the gas enters the interior of the tower body 1 and reacts with the isobutyric acid in the tower body 1, a hollow disk 4 is arranged on the top of the air inlet pipe 3, and a plurality of evenly spaced air outlet holes 5 are opened on the top of the hollow disk 4, and a bubbling method is adopted to ensure that the gas is evenly distributed and enters the tower in the form of small bubbles, thereby increasing the contact area between the gas and the liquid, improving the reaction effect of the isobutyric acid itself, and improving the quality and production efficiency of the product, a stirring rod 6 is arranged in the middle of the top end of the hollow disk 4, and a plurality of evenly spaced stirring blades 7 are arranged on the surface of the stirring rod 6, and the stirring blades 7 on the surface can be driven by the rotation of the stirring rod 6 to fully mix and stir the isobutyric acid, so that the gas The contact area of ​​the tower body 1 is increased again, and the production efficiency of isobutyric acid is improved. A circular ring 8 is provided on the top of the tower body 1, and three evenly spaced positioning blocks 9 are provided on the bottom of the tower cover 2, which are convenient for positioning and installing the tower cover 2 through the provided positioning blocks 9, and are convenient for users to use. Three evenly spaced support blocks 13 are provided on the top of the circular ring 8, and a limiting component 14 is provided inside the support block 13. Through the provided limiting component 14, the tower body 1 and the tower cover 2 can be sealed and fixed. At the same time, the tower cover 2 can be disassembled, which is convenient for timely cleaning of materials attached to the inner wall of the tower body 1, and ensures that the reaction tower does not affect the secondary use. A rotating component 11 is provided on one side of the bottom end of the tower body 1. Through the provided rotating component 11, the air inlet pipe 3, the hollow disk 4, the stirring rod 6 and the stirring blade 7 can be driven to rotate synchronously, thereby increasing the contact area between the gas and the liquid and improving the reaction effect of the isobutyric acid itself.

[0025] The rotating assembly 11 includes a motor 1101, which is fixedly mounted on one side of the bottom end of the tower body 1. The output shaft of the motor 1101 is provided with a pulley 1102, and a pulley 2 1103 is provided in the middle of the air inlet pipe 3. The pulley 1102 and the pulley 2 1103 are connected by a transmission belt 1104. By controlling the motor 1101 to rotate, the pulley 1102, the pulley 2 1103 and the transmission belt 1104 are coordinated, so that the air inlet pipe 3 can rotate synchronously, thereby driving the hollow disk 4, the stirring rod 6 and the stirring blade 7 to rotate synchronously, thereby increasing the contact area between the gas and the liquid and improving the reaction effect of the isobutyric acid itself.

[0026] The limiting assembly 14 includes a threaded rod 1401, which is threadedly connected to the middle part of the support block 13. An inclined block 1402 is rotatably provided at one end of the threaded rod 1401. An inclined groove matching the inclined block 1402 is provided at the top of the positioning block 9. The threaded rod 1401 is rotated to displace the threaded rod 1401 inside the support block 13, which can drive the inclined block 1402 to move in the horizontal direction, thereby increasing the pressure between the inclined block 1402 and the inclined groove, and separating the inclined block 1402 from the inclined groove, so that the tower body 1 and the tower cover 2 can be sealed and fixed. At the same time, the tower cover 2 can be disassembled, which is convenient for timely cleaning of materials attached to the inner wall of the tower body 1, and ensures that the reaction tower does not affect the secondary use.

[0027] Two guide rods 1403 are slidably provided in the middle of the support block 13, one end of the guide rod 1403 is fixedly connected to one side of the inclined block 1402, and the other end of the threaded rod 1401 is provided with a knob 1404, which serves as a limit guide when the inclined block 1402 moves in the horizontal direction, and facilitates the rotation of the threaded rod 1401, which is convenient for users to use.

[0028] A sealing strip 15 is provided at the bottom end of the tower cover 2, and a sealing groove corresponding to the sealing strip 15 is provided in the middle of the top of the tower body 1, so that the tower cover 2 is in close contact with the tower body 1, which facilitates the sealing effect;

[0029] The surface of the ring 8 is provided with a positioning groove 16 matching the positioning block 9, and the positioning block 9 is engaged with the positioning groove 16, which is convenient for engaging and limiting the positioning block 9, facilitating the positioning and installation of the tower cover 2, and convenient for users to use;

[0030] A feed pipe 17 is provided at the top of one side of the tower body 1, a feed valve is provided in the middle of the feed pipe 17, a discharge pipe 18 is provided at the bottom of one side of the tower body 1, a discharge valve is provided in the middle of the discharge pipe 18, an air outlet pipe 19 is provided at the top of the tower cover 2, and an air outlet valve is provided in the middle of the air outlet pipe 19, so as to facilitate the feeding and discharging of materials and the exhaust of gases;

[0031] An air delivery pipe 12 is rotatably provided at the bottom end of the air inlet pipe 3, a gas delivery valve is provided on the surface of the air delivery pipe 12, and a flange is provided at the bottom end of the air delivery pipe 12, so as to cooperate with the gas delivery equipment to transport gas. A mechanical seal 1 is provided at the connection between the air inlet pipe 3 and the tower body 1, so as to seal the connection between the air inlet pipe 3 and the tower body 1. A mechanical seal 2 is provided between the air inlet pipe 3 and the air delivery pipe 12, so as to seal the air inlet pipe 3 and the air delivery pipe 12.

[0032] When in use, the isobutyric acid reaction tower is first placed in a suitable position, and then the flange set at the gas delivery pipe 12 is connected and sealed with the gas outlet of the relevant gas delivery equipment to prepare for delivering gas to the inside of the tower body 1, and then a proper amount of isobutyric acid is added to the inside of the tower body 1 through the feed pipe 17, and then the motor 1101 is controlled to drive the pulley 1 1102 to rotate, and the transmission belt 1104 and the pulley 2 1103 are cooperated to make the air inlet pipe 3, the hollow disk 4, the stirring rod 6 and the stirring blade 7 rotate synchronously, and then the gas delivery pipe 12 is opened. The gas valve transmits gas to the inside of the gas transmission pipe 12 through the gas transmission equipment. The gas enters the inside of the hollow disk 4 through the air inlet pipe 3. The gas is matched with the plurality of gas outlet holes 5 opened at the hollow disk 4. The bubbling method is adopted to ensure that the gas is evenly distributed and enters the tower in the form of small bubbles, thereby increasing the contact area between the gas and the liquid, improving the reaction effect of the isobutyric acid itself, and improving the quality and production efficiency of the product. At the same time, the stirring blade 7 makes the isobutyric acid and the gas fully mixed and stirred, thereby improving the reaction quality of the isobutyric acid. After the reaction is completed, the isobutyric acid after the reaction can be discharged by opening the discharge valve;

[0033] When it is necessary to clean the materials that have been attached to the inner wall of the tower body 1 for a long time, the threaded rod 1401 is driven to rotate by rotating the knob 1404, and the guide rod 1403 and the rotatable inclined block 1402 are cooperated to make the inclined block 1402 slide on the surface of the inclined groove and separate from the inclined groove, so that the positioning block 9 and the positioning groove 16 are separated from each other, so that the tower cover 2 is opened and the inner wall of the tower body 1 can be cleaned.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A bubbling isobutyric acid reaction tower, comprising a tower body (1), characterized in that: A tower cover (2) is provided on the top of the tower body (1); an air inlet pipe (3) is rotatably provided in the middle of the bottom end of the tower body (1); a hollow disk (4) is provided on the top of the air inlet pipe (3); a plurality of air outlet holes (5) are opened at the top end of the hollow disk (4); a stirring rod (6) is provided in the middle of the top end of the hollow disk (4); a plurality of stirring blades (7) are provided at even intervals on the surface of the stirring rod (6); a circular ring (8) is provided on the top of the tower body (1); three positioning blocks (9) are provided at even intervals at the bottom of the tower cover (2); three support blocks (13) are provided at even intervals at the top end of the circular ring (8); and a limiting assembly (14) is provided inside the support block (13); and a rotating assembly (11) is provided on one side of the bottom end of the tower body (1).

2. The bubbling isobutyric acid reaction tower according to claim 1, characterized in that: A feed pipe (17) is provided at the top of one side of the tower body (1), and a feed valve is provided in the middle of the feed pipe (17); a discharge pipe (18) is provided at the bottom of one side of the tower body (1), and a discharge valve is provided in the middle of the discharge pipe (18); an air outlet pipe (19) is provided at the top of the tower cover (2), and an air outlet valve is provided in the middle of the air outlet pipe (19).

3. The bubbling isobutyric acid reaction tower according to claim 1, characterized in that: An air delivery pipe (12) is rotatably provided at the bottom end of the air inlet pipe (3), and a flange is provided at the bottom end of the air delivery pipe (12). A mechanical seal 1 is provided at the connection between the air inlet pipe (3) and the tower body (1), and a mechanical seal 2 is provided between the air inlet pipe (3) and the air delivery pipe (12).

4. The bubbling isobutyric acid reaction tower according to claim 1, characterized in that: A sealing strip (15) is provided at the bottom end of the tower cover (2), and a sealing groove corresponding to the sealing strip (15) is provided at the middle of the top end of the tower body (1).

5. The bubbling isobutyric acid reaction tower according to claim 1, characterized in that: A positioning groove (16) matching the positioning block (9) is provided on the surface of the circular ring (8), and the positioning block (9) is snap-fitted and connected to the positioning groove (16).

6. The bubbling isobutyric acid reaction tower according to claim 1, characterized in that: The rotating assembly (11) comprises a motor (1101), the motor (1101) is fixedly mounted on one side of the bottom end of the tower body (1), the output shaft of the motor (1101) is provided with a pulley 1 (1102), the middle part of the air intake pipe (3) is provided with a pulley 2 (1103), and the pulley 1 (1102) and the pulley 2 (1103) are connected to each other through a transmission belt (1104).

7. The bubbling isobutyric acid reaction tower according to claim 1, characterized in that: The limiting assembly (14) comprises a threaded rod (1401), wherein the threaded rod (1401) is threadedly connected to the middle part of the support block (13), an inclined block (1402) is rotatably provided at one end of the threaded rod (1401), and an inclined groove matching the inclined block (1402) is provided at the top end of the positioning block (9).

8. The bubbling isobutyric acid reaction tower according to claim 7, characterized in that: Two guide rods (1403) are slidably provided in the middle of the support block (13), one end of the guide rod (1403) is fixedly connected to one side of the inclined block (1402), and the other end of the threaded rod (1401) is provided with a knob (1404).

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