CN214971824U

CN214971824U - Cyclohexenecarboxylic acid distillation filter equipment

Info

Publication number: CN214971824U
Application number: CN202121139800.3U
Authority: CN
Inventors: 张盟; 谢磊; 梁君臣; 裴一凡
Original assignee: Shandong Material Competition Mstar Technology Ltd
Current assignee: Rukun Shandong New Material Technology Co ltd
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2021-12-03
Anticipated expiration: 2031-05-26

Abstract

The utility model discloses a cyclohexene formic acid distillation filter equipment, including distillation box and cooling cylinder, sealing connection has an air duct on the top tank wall of distillation box, the one end that the distillation box was kept away from to the air duct and the bottom urceolus wall sealing connection of cooling cylinder, many supporting legss of bottom outer tank wall fixedly connected with of cooling cylinder, the inlet has been seted up on the top tank wall of distillation box, inlet department sealing connection has the liquid inlet fill, be provided with water trap in the cooling cylinder. The utility model discloses be equipped with water trap for temperature keeps at 100 ℃ on the condenser pipe wall, and cyclohexene formic acid vapour makes the emergence liquefaction meeting 100 ℃ condenser pipe, and water vapour meets 100 ℃ condenser pipe and can not liquefy almost, and water vapour will continue the upflow, thereby will get rid of and separate cyclohexene formic acid in water vapour, makes and obtains the liquid that purity and concentration are all higher in the liquid storage cylinder.

Description

Cyclohexenecarboxylic acid distillation filter equipment

Technical Field

The utility model relates to a distillation plant technical field especially relates to a cyclohexene formic acid distillation filter equipment.

Background

Distillation is a thermodynamic separation process that utilizes the difference in boiling points of components in a mixed liquid or liquid-solid system to vaporize lower boiling components and recondense to separate the entire component, a unit operation that combines the two unit operations of evaporation and condensation. Compared with other separation means, such as extraction, filtration crystallization and the like, the method has the advantage that other solvents except system components are not required, so that new impurities are not introduced.

Cyclohexenecarboxylic acid is a chemical substance of formula C₇H₁₀O₂The cyclohexene carboxylic acid solution is a transparent solid at normal temperature and has a boiling point of 133-135 ℃, although the existing distillation equipment can realize distillation and filtration of the cyclohexene carboxylic acid-containing solution, the boiling point of the cyclohexene carboxylic acid is 133 ℃, more water vapor can be generated in the distillation process, the cyclohexene carboxylic acid solution obtained after the vapor is condensed contains more water, the solution concentration is low, water removal is needed, and the production cost and efficiency are increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a cyclohexene formic acid distillation and filtration device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a cyclohexene formic acid distillation filter equipment, includes distillation box and cooling cylinder, sealing connection has an air duct on the top tank wall of distillation box, the one end that the distillation box was kept away from to the air duct is connected with the bottom urceolus wall sealing of cooling cylinder, many supporting legss of bottom urceolus wall fixedly connected with of cooling cylinder, the inlet has been seted up on the top tank wall of distillation box, inlet department sealing connection has the liquid hopper that advances, be provided with water trap in the cooling cylinder.

Preferably, the middle of the cooling cylinder is a cylindrical cylinder, the top and the bottom of the cooling cylinder are cone-shaped structures, the bottom of the cooling cylinder is hermetically connected with the liquid storage cylinder, the bottom of the liquid storage cylinder is provided with a control valve, the top of the cooling cylinder is hermetically connected with an L-shaped exhaust pipe, the inner wall of the cooling cylinder is fixedly connected with a first partition plate and a second partition plate in a sealing manner, and the second partition plate is positioned above the first partition plate.

Preferably, the dewatering device includes many condenser pipes, many the lower extreme of condenser pipe and the sealed fixed connection of first baffle and with first baffle below space intercommunication, many the upper end of condenser pipe and the headspace intercommunication that runs through second baffle and cooling cylinder, the embedded electric plate that is equipped with of first baffle, a plurality of exhaust holes have been seted up on the second baffle.

Preferably, the pipe orifices at the upper ends of the plurality of condensation pipes are higher than the upper end surface of the second partition plate, and an activated carbon net layer is arranged in the exhaust pipe.

Preferably, the distillation box is provided with heating cavities at the bottom and inside walls of four sides, each heating cavity is internally provided with a heater, and the bottom of the liquid inlet hopper is provided with a one-way valve.

Preferably, the one-way valve only allows liquid and gas to flow out of the inlet hopper into the distillation tank.

The utility model discloses in, compare with prior art, the utility model has the advantages of:

1. the utility model is provided with a dewatering device, so that the temperature on the pipe wall of the condensation pipe is kept at 100 ℃, the cyclohexene formate steam is liquefied when meeting the condensation pipe at 100 ℃, the water vapor can hardly be liquefied when meeting the condensation pipe at 100 ℃, and the water vapor continues to flow upwards, so that the cyclohexene formate is separated from the water vapor, and the liquid with higher purity and concentration is obtained in the liquid storage cylinder;

2. the utility model discloses be equipped with check valve, active carbon stratum reticulare isotructure, the check valve setting of feed liquor fill department makes can last the fluid infusion in distillation process, has improved production efficiency, has reduced manufacturing cost, and remaining trace cyclohexene carboxylic acid gas in the absorption steam of the active carbon stratum reticulare of blast pipe department, avoids cyclohexene carboxylic acid polluted environment, prevents to cause the injury to the production workman.

Drawings

FIG. 1 is a three-dimensional view of the external structure of a cyclohexene formic acid distillation and filtration device provided by the utility model;

FIG. 2 is a three-dimensional view of the internal structure of a cyclohexene formic acid distillation and filtration device provided by the utility model;

FIG. 3 is a front view of a cyclohexene formic acid distillation and filtration device provided by the utility model;

fig. 4 is a structural cross-sectional view of a cyclohexene formic acid distillation and filtration device provided by the utility model.

In the figure: the device comprises a distillation box 1, a cooling cylinder 2, supporting legs 3, an air guide tube 4, a liquid storage cylinder 5, a control valve 6, an exhaust tube 7, a first partition plate 8, a second partition plate 9, a condenser tube 10, an exhaust hole 11, an electric heating plate 12, an active carbon net layer 13, a heating cavity 14, a liquid inlet hopper 15 and a check valve 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a cyclohexenecarboxylic acid distillation and filtration device comprises a distillation box 1 and a cooling cylinder 2, wherein a gas guide tube 4 is hermetically connected to the top box wall of the distillation box 1, one end of the gas guide tube 4, which is far away from the distillation box 1, is hermetically connected with the bottom outer barrel wall of the cooling cylinder 2, a plurality of supporting legs 3 are fixedly connected to the bottom outer barrel wall of the cooling cylinder 2, a liquid inlet is formed in the top box wall of the distillation box 1, a liquid inlet hopper 15 is hermetically connected to the position of the liquid inlet, and a water removal device is arranged in the cooling cylinder 2.

The middle of the cooling cylinder 2 is a cylindrical cylinder, the top and the bottom of the cooling cylinder are cone-shaped structures, the bottom of the cooling cylinder 2 is hermetically connected with a liquid storage cylinder 5, the bottom of the liquid storage cylinder 5 is provided with a control valve 6, the top of the cooling cylinder 2 is hermetically connected with an L-shaped exhaust pipe 7, the inner wall of the cooling cylinder 2 is fixedly connected with a first partition plate 8 and a second partition plate 9 in a sealing manner, and the second partition plate 9 is positioned above the first partition plate 8.

The water trap includes many condenser pipes 10, the lower extreme of

many condenser pipes

10 and 8 sealed fixed connection of first baffle and with 8 below space intercommunication of first baffle, the upper end of many condenser pipes 10 and the headspace intercommunication that runs through second baffle 9 and cooling cylinder 2, the embedded electric plate 12 that is equipped with of first baffle 8, a plurality of exhaust holes 11 have been seted up on the second baffle 9, it has water to fill between second baffle 9 and first baffle 8 in the cooling cylinder 2, wrap up many condenser pipes 10, the upper end mouth of pipe of many condenser pipes 10 is higher than the up end of second baffle 9, can not get into in the condenser pipe 10 when making the water mule second baffle 9 of condensation on the inner tube wall at cooling cylinder 2 top go up, be provided with activated carbon net layer 13 in the blast pipe 7, be used for adsorbing remaining trace cyclohexene formic acid gas in the vapour.

Distillation case 1 lie in the bottom and four side tank walls handsome in and seted up heating chamber 14, all be provided with the heater in every heating chamber 14, heat liquid from a plurality of putting down, improve liquid heating efficiency, the bottom of feed liquor fill 15 is provided with check valve 16, check valve 16 only allows liquid and gas to flow out to distillation case 1 in from feed liquor fill 15.

The utility model discloses in, when using, earlier heat the water of first baffle top with the 12 circular telegrams of electric plate in the first baffle 8, make water reach the boiling point, then add the liquid that needs the distillation and contain cyclohexenecarboxylic acid in going into liquid hopper 15 toward distillation box 1, make the heater work in a plurality of heating chambers 14 heat to liquid, the steam that produces after the heating will pass through the bottom that heat pipe 4 got into cooling cylinder 2, later pass through from a plurality of condenser pipes 10, because water is in boiling temperature always above the first baffle 8, make condenser pipe 10 pipe wall upper temperature keep at 100 ℃, and cyclohexenecarboxylic acid steam makes the emergence liquefaction meeting condenser pipe 10 of 100 ℃, and flow down along the pipe wall of condenser pipe 10, finally fall to in the bottom stock solution section of thick bamboo 5, and steam meets 100 ℃ condenser pipe 10 and can hardly liquefy, steam will continue to flow upwards, some condensation stays the make-up water drum wall of second baffle 9 upper cooling cylinder 2 on cooling cylinder 2's top section of thick bamboo wall The remaining water vapor will leave the exhaust pipe 7, so that a liquid with high purity and concentration is obtained in the liquid storage cylinder 5.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a cyclohexene formic acid distillation filter equipment, includes distillation box (1) and cooling cylinder (2), its characterized in that, sealing connection has an air duct (4) on the top tank wall of distillation box (1), the one end that distillation box (1) was kept away from in air duct (4) and the bottom urceolus wall sealing connection of cooling cylinder (2), many supporting legss (3) of the bottom urceolus wall fixedly connected with of cooling cylinder (2), the inlet has been seted up on the top tank wall of distillation box (1), inlet department sealing connection has into liquid fill (15), be provided with water trap in cooling cylinder (2).

2. The cyclohexene formic acid distillation and filtration device according to claim 1, wherein the middle of the cooling cylinder (2) is a cylindrical cylinder, the top and the bottom are cone-shaped structures, the bottom of the cooling cylinder (2) is hermetically connected with a liquid storage cylinder (5), the bottom of the liquid storage cylinder (5) is provided with a control valve (6), the top of the cooling cylinder (2) is hermetically connected with an L-shaped exhaust pipe (7), the inner wall of the cooling cylinder (2) is fixedly connected with a first partition plate (8) and a second partition plate (9), and the second partition plate (9) is located above the first partition plate (8).

3. The cyclohexene formic acid distillation and filtration device as claimed in claim 2, wherein the water removal device comprises a plurality of condensation pipes (10), the lower ends of the condensation pipes (10) are fixedly connected with the first partition plate (8) in a sealing manner and are communicated with the space below the first partition plate (8), the upper ends of the condensation pipes (10) are communicated with the top space penetrating through the second partition plate (9) and the cooling cylinder (2), an electric heating plate (12) is embedded in the first partition plate (8), and the second partition plate (9) is provided with a plurality of exhaust holes (11).

4. The cyclohexene formic acid distillation and filtration device as claimed in claim 3, wherein the upper end nozzles of the plurality of condensation pipes (10) are higher than the upper end face of the second partition plate (9), and an activated carbon mesh layer (13) is arranged in the exhaust pipe (7).

5. The cyclohexenecarboxylic acid distillation and filtration device as claimed in claim 1, wherein heating cavities (14) are provided in the bottom and four side walls of the distillation box (1), each heating cavity (14) is provided with a heater, and the bottom of the liquid inlet hopper (15) is provided with a one-way valve (16).

6. A cyclohexenecarboxylic acid distillation and filtration unit according to claim 5, wherein said check valve (16) allows only liquid and gas to flow out of the inlet hopper (15) into the distillation tank (1).