CN214636383U

CN214636383U - Reaction unit is used in cyclohexene formic acid preparation

Info

Publication number: CN214636383U
Application number: CN202120467180.XU
Authority: CN
Inventors: 王�锋
Original assignee: Nanjing Kangdexiang Pharmaceutical Technology Co ltd
Current assignee: Nanjing Kangdexiang Pharmaceutical Technology Co ltd
Priority date: 2021-03-04
Filing date: 2021-03-04
Publication date: 2021-11-09
Anticipated expiration: 2031-03-04

Abstract

The utility model discloses a reaction unit is used in cyclohexene formic acid preparation relates to cyclohexene formic acid preparation technical field, for solving the comparatively single problem of current cyclohexene formic acid reaction unit mixed structure. The inside of retort is provided with the reaction chamber, the upper cover is installed to the upper end of retort, the internally mounted of upper cover has outer rotation axis, and the lower extreme of outer rotation axis extends to the inside of reaction chamber, outer rotation axis passes through the bearing with the upper cover and rotates and be connected, the internally mounted of outer rotation axis has interior rotation axis, the upper end and the upper cover fixed connection of interior rotation axis, the lower extreme and the outer rotation axis swivelling joint of interior rotation axis, the puddler is all installed to the both sides of outer rotation axis, and the puddler passes through the bearing housing with outer rotation axis and rotate and be connected, the upper end of upper cover is equipped with four inlet pipes that are annular evenly distributed, the internally mounted of retort inner wall has heating device.

Description

Reaction unit is used in cyclohexene formic acid preparation

Technical Field

The utility model relates to a cyclohexene formic acid preparation technical field specifically is a reaction unit is used in cyclohexene formic acid preparation.

Background

Cyclohexenecarboxylic acid is an intermediate of cycloaliphatic epoxy resins. The cycloaliphatic epoxy resin is prepared by properly epoxidizing 3-cyclohexenecarboxylic acid-3' -cyclohexene carboxylate and derivatives thereof and other dienes, and is generally prepared by adopting an unsaturated parent and peracid or hydrogen peroxide. The cycloaliphatic epoxy resin is different from common condensed ether epoxy resin prepared from epichlorohydrin and bisphenol A, the structure around the epoxy group of the resin active group is different from that of the epoxy resin, so that the reaction activity, viscosity, weather resistance, cation content and other important properties are obviously different from those of the common condensed ether epoxy resin, in the preparation process, different raw materials are placed inside by using a reaction device, and the mixed reaction is carried out at a proper temperature, so that the integral preparation efficiency is improved.

However, the existing cyclohexene carboxylic acid reaction device has a single mixing structure, and when various raw materials are mixed, the raw materials cannot be mixed quickly, so that the overall reaction efficiency is influenced, and therefore the existing requirements are not met.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a reaction unit is used in cyclohexene formic acid preparation to solve the comparatively single problem of cyclohexene formic acid reaction unit mixed structure who provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a reaction unit is used in preparation of cyclohexene formic acid, includes the retort, the inside of retort is provided with the reaction chamber, the upper cover is installed to the upper end of retort, the internally mounted of upper cover has outer rotation axis, and the lower extreme of outer rotation axis extends to the inside of reaction chamber, outer rotation axis passes through the bearing with the upper cover and rotates and be connected, the internally mounted of outer rotation axis has interior rotation axis, the upper end and the upper cover fixed connection of interior rotation axis, the lower extreme and the outer rotation axis swivelling joint of interior rotation axis, the puddler is all installed to the both sides of outer rotation axis, and the puddler passes through the bearing housing with outer rotation axis and rotate and be connected, the upper end of upper cover is equipped with four inlet pipes that are annular evenly distributed, the internally mounted of retort inner wall has heating device.

Preferably, a driving motor is fixedly installed on one side inside the upper cover, a second bevel gear is fixedly arranged on an output shaft of the driving motor, a first bevel gear is fixedly arranged at one end, located inside the upper cover, of the outer rotating shaft, and the first bevel gear is in meshed connection with the second bevel gear.

Preferably, one end of the stirring rod extends to the inside of the outer rotating shaft, a fourth bevel gear is fixedly arranged at one end of the stirring rod, a third bevel gear is fixedly arranged on the outside of the inner rotating shaft, the number of the third bevel gears is three, and the third bevel gears are meshed with the fourth bevel gears.

Preferably, all be provided with the storage cavity in the inside intermediate position department of inlet tube, the solenoid valve is all installed to the both sides of storage cavity, and solenoid valve and inlet tube fixed connection.

Preferably, a vacuum pump is installed on one side of the reaction tank, a connecting pipe is fixed at one end of the vacuum pump in a sealing manner, one end of the connecting pipe extends into the reaction cavity, and a vacuum gauge is installed on one side of the upper end of the upper cover.

Preferably, a temperature sensor is fixedly mounted at the lower end of the upper cover and electrically connected with the heating device, and a thermometer is mounted on the other side of the upper end of the upper cover.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model adopts the multistage transmission type raw material mixing mechanism, when different raw materials are arranged in the reaction cavity, by opening the driving motor, the outer rotating shaft is driven to rotate under the meshing cooperation of the first bevel gear and the second bevel gear, thereby the axis of the rotating shaft outside the stirring rod is made to rotate as the original point, the inner rotating shaft is arranged in the outer rotating shaft, the upper end of the inner rotating shaft is fixed with the upper cover, the lower end is connected with the outer rotating shaft in a rotating way, then, in the rotating process of the outer rotating shaft, the inner rotating shaft is kept static, the third bevel gear outside the inner rotating shaft is meshed with the fourth bevel gear at one end of the stirring rod, then, in the rotating process of the stirring rod, the rod body also keeps autorotation movement, and further in the mixing process of the raw materials inside the reaction cavity, the complex movement state among different raw materials is kept, the mixing of different raw materials is accelerated, and the integral reaction efficiency is ensured.

2. The utility model is provided with the storage cavity inside the feeding pipe, when a plurality of raw materials are mixed and reacted, the vacuum pump is started to keep the interior of the reaction chamber in a vacuum state, and the stability of the internal reaction is ensured under the coordination of the heating device, when auxiliary agent needs to be added into the interior of the reaction process, the auxiliary agent is poured into the feeding pipe, the electromagnetic valve far away from one end of the upper cover is opened, the auxiliary agent can enter the material storage cavity, then the electromagnetic valve far away from one end of the upper cover is closed, the electromagnetic valve close to one end of the upper cover is opened, and the material storage cavity is isolated from the outside, under the negative pressure of the vacuum pump, the auxiliary agent can smoothly enter the reaction cavity, and by the way, the auxiliary agent can be added under the vacuum environment, and can avoid the excessive contact of external environment and reaction chamber when adding, ensure the stability of reaction effect.

3. The utility model discloses an internally mounted at the reaction chamber has temperature sensor, technical staff sets for inside reaction temperature numerical value in advance before the reaction, the raw materials is in the reaction sequence, temperature sensor monitors the temperature of inside, temperature numerical value shows on the thermometer simultaneously, when inside temperature reaches the temperature sensor setting value, then stop heating device and continue to heat up to inside, and then turn into the heat preservation state, through this kind of mode, can ensure to be in accurate temperature interval during the reaction between the raw materials.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is an overall plan view of the present invention;

fig. 3 is a partially enlarged view of the area a in fig. 1 according to the present invention.

In the figure: 1. a reaction tank; 2. an upper cover; 3. a reaction chamber; 4. a heating device; 5. an outer rotating shaft; 6. a stirring rod; 7. a first bevel gear; 8. a drive motor; 9. a second bevel gear; 10. a thermometer; 11. a vacuum gauge; 12. a temperature sensor; 13. a vacuum pump; 14. a connecting pipe; 15. a feed pipe; 16. a material storage cavity; 17. an electromagnetic valve; 18. a bearing housing; 19. an inner rotating shaft; 20. a third bevel gear; 21. a fourth bevel gear.

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. 1-3, the present invention provides an embodiment: the utility model provides a reaction unit is used in preparation of cyclohexene formic acid, including retort 1, retort 1's inside is provided with reaction chamber 3, upper cover 2 is installed to retort 1's upper end, the internally mounted of upper cover 2 has outer rotation axis 5, and the lower extreme of outer rotation axis 5 extends to the inside of reaction chamber 3, outer rotation axis 5 passes through the bearing rotation with upper cover 2 and is connected, the internally mounted of outer rotation axis 5 has interior rotation axis 19, the upper end and the upper cover 2 fixed connection of interior rotation axis 19, the lower extreme of interior rotation axis 19 rotates with outer rotation axis 5 to be connected, puddler 6 is all installed to the both sides of outer rotation axis 5, and puddler 6 rotates through bearing housing 18 with outer rotation axis 5 to be connected, the upper end of upper cover 2 is equipped with four inlet pipes 15 that are annular evenly distributed, the internally mounted of retort 1 inner wall has heating device 4.

Further, a driving motor 8 is fixedly installed on one side inside the upper cover 2, a second bevel gear 9 is fixedly arranged on an output shaft of the driving motor 8, a first bevel gear 7 is fixedly arranged at one end, located inside the upper cover 2, of the outer rotating shaft 5, the first bevel gear 7 is in meshed connection with the second bevel gear 9, the outer rotating shaft 5 is driven to rotate under the meshed cooperation of the first bevel gear 7 and the second bevel gear 9, and therefore the outer stirring rod 6 rotates with the axis of the outer rotating shaft 5 as the origin.

Furthermore, one end of each stirring rod 6 extends into the outer rotating shaft 5, one end of each stirring rod 6 is fixedly provided with a fourth bevel gear 21, the outer part of each inner rotating shaft 19 is fixedly provided with a third bevel gear 20, the number of the third bevel gears 20 is three, the third bevel gears 20 are meshed with the fourth bevel gears 21 and connected, the inner rotating shafts 19 are kept static in the rotating process of the outer rotating shafts 5, the third bevel gears 20 outside the inner rotating shafts 19 are meshed with the fourth bevel gears 21 at one ends of the stirring rods 6, then in the rotating process of the stirring rods 6, the rod bodies also keep autorotation movement, and further in the mixing process of raw materials in the reaction chamber 3, a complex movement state is kept among different raw materials.

Further, the inside intermediate position department of inlet pipe 15 all is provided with storage cavity 16, and solenoid valve 17 is all installed to the both sides of storage cavity 16, and solenoid valve 17 and inlet pipe 15 fixed connection, through this kind of mode, not only can realize the interpolation to the auxiliary under vacuum environment, can avoid the too much contact of external environment and reaction chamber 3 when adding in addition moreover, ensures the stability of reaction effect.

Further, a vacuum pump 13 is installed on one side of the reaction tank 1, a connecting pipe 14 is fixed at one end of the vacuum pump 13 in a sealing manner, one end of the connecting pipe 14 extends into the reaction chamber 3, a vacuum gauge 11 is installed on one side of the upper end of the upper cover 2, the vacuum state is kept in the reaction chamber 3 by opening the vacuum pump 13, and the stability of the internal reaction is ensured by matching with the heating device 4.

Further, the lower extreme fixed mounting of upper cover 2 has temperature sensor 12, and temperature sensor 12 and heating device 4 electric connection, thermometer 10 is installed to the opposite side of upper cover 2 upper end, the technical staff sets for inside reaction temperature value in advance before the reaction, the raw materials is in the reaction process, temperature sensor 12 monitors the temperature of inside, temperature value shows on thermometer 10 simultaneously, when inside temperature reached temperature sensor 12 setting value, then stop heating device 4 and continue to heat up to the inside, and then turn into the heat preservation state.

The working principle is as follows: when in use, when different raw materials are arranged in the reaction cavity 3, the driving motor 8 is started, the outer rotating shaft 5 is driven to rotate under the meshing coordination of the first bevel gear 7 and the second bevel gear 9, so that the outer stirring rod 6 rotates by taking the axis of the outer rotating shaft 5 as an original point, the inner rotating shaft 19 is kept static in the rotating process of the outer rotating shaft 5, the third bevel gear 20 outside the inner rotating shaft 19 is meshed with the fourth bevel gear 21 at one end of the stirring rod 6, therefore, in the rotating process of the stirring rod 6, the rod body also keeps autorotation motion, further, in the mixing process of the raw materials in the reaction cavity 3, the different raw materials are kept in a complex motion state, the mixing of the different raw materials is accelerated, and in the mixing reaction of the multiple raw materials, the vacuum pump 13 is started to keep the vacuum state in the reaction cavity 3, with heating device 4's cooperation under, ensure the stability of internal reaction, when the auxiliary agent needs to be added to inside in the reaction process, pour it into to inlet pipe 15, open the solenoid valve 17 of keeping away from upper cover 2 one end for the auxiliary agent can enter into the inside of storage cavity 16, later close the solenoid valve 17 of keeping away from 2 one end of upper cover, open the solenoid valve 17 that is close to 2 one end of upper cover, and storage cavity 16 is isolated with the outside this moment, under the negative pressure of vacuum pump 13, make the auxiliary agent smoothly get into inside reaction chamber 3.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a reaction unit is used in cyclohexene formic acid preparation, includes retort (1), its characterized in that: the inside of retort (1) is provided with reaction chamber (3), upper cover (2) are installed to the upper end of retort (1), the internally mounted of upper cover (2) has outer rotation axis (5), and the lower extreme of outer rotation axis (5) extends to the inside of reaction chamber (3), outer rotation axis (5) are connected through the bearing rotation with upper cover (2), the internally mounted of outer rotation axis (5) has interior rotation axis (19), the upper end and upper cover (2) fixed connection of interior rotation axis (19), the lower extreme and the outer rotation axis (5) of interior rotation axis (19) rotate and are connected, puddler (6) are all installed to the both sides of outer rotation axis (5), and puddler (6) and outer rotation axis (5) rotate through bearing housing (18) and are connected, the upper end of upper cover (2) is equipped with four inlet pipes (15) that are annular evenly distributed, and a heating device (4) is arranged inside the inner wall of the reaction tank (1).

2. The reaction apparatus for producing cyclohexenecarboxylic acid according to claim 1, wherein: one side fixed mounting of upper cover (2) inside has driving motor (8), the fixed second bevel gear (9) that is provided with of output shaft of driving motor (8), outer rotation axis (5) are located the fixed first bevel gear (7) that is provided with of the inside one end of upper cover (2), and first bevel gear (7) are connected with second bevel gear (9) meshing.

3. The reaction apparatus for producing cyclohexenecarboxylic acid according to claim 1, wherein: the one end of puddler (6) all extends to the inside of outer rotation axis (5), the one end of puddler (6) is fixed and is provided with fourth bevel gear (21), the external fixation of interior rotation axis (19) is provided with third bevel gear (20), and third bevel gear (20) is provided with threely, third bevel gear (20) are connected with fourth bevel gear (21) meshing.

4. The reaction apparatus for producing cyclohexenecarboxylic acid according to claim 1, wherein: the inside intermediate position department of inlet pipe (15) all is provided with storage cavity (16), solenoid valve (17) are all installed to the both sides of storage cavity (16), and solenoid valve (17) and inlet pipe (15) fixed connection.

5. The reaction apparatus for producing cyclohexenecarboxylic acid according to claim 1, wherein: vacuum pump (13) are installed to one side of retort (1), the sealed connecting pipe (14) that is fixed with of one end of vacuum pump (13), and the one end of connecting pipe (14) extends to the inside of reaction chamber (3), vacuometer (11) are installed to one side of upper cover (2) upper end.

6. The reaction apparatus for producing cyclohexenecarboxylic acid according to claim 1, wherein: the lower extreme fixed mounting of upper cover (2) has temperature sensor (12), and temperature sensor (12) and heating device (4) electric connection, thermometer (10) are installed to the opposite side of upper cover (2) upper end.