CN216629728U

CN216629728U - Cooling crystallization device of acetanilide compound

Info

Publication number: CN216629728U
Application number: CN202123320945.6U
Authority: CN
Inventors: 秦建华; 秦开极; 秦捷; 李志文; 王利敏
Original assignee: Puyang Xinyu Chemical Co ltd
Current assignee: Puyang Xinyu Chemical Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-05-31
Anticipated expiration: 2031-12-27

Abstract

The utility model provides a cooling crystallization device for acetanilide compounds, which belongs to the technical field of synthesis of acetanilide compounds and comprises a reaction tank, wherein the bottom of the reaction tank is fixedly connected with a connecting column, the top of the connecting column is fixedly connected with a threaded column, the threaded column is in threaded connection with a stirring cylinder, and the stirring cylinder is fixedly connected with at least two stirring columns; the device passes through the reciprocating motion of non-circular post, can drive the churn and just reverse, and the acetanilide compound carries out corotation stirring and reversal stirring to the stirring effect of acetanilide compound has been improved, when the churn was carried out corotation stirring and reversal stirring to the acetanilide compound, through setting up the screw thread post can make the churn have gliding effect from top to bottom in addition, thereby the stirring effect of improvement the device that can step forward, and then make the efficiency of acetanilide compound crystallization.

Description

Cooling crystallization device of acetanilide compound

Technical Field

The utility model belongs to the technical field of synthesis of acetanilide compounds, and particularly relates to a cooling crystallization device for acetanilide compounds.

Background

Acetanilide is a raw material and an intermediate of sulfonamides, rubber vulcanization accelerators, dyes, synthetic camphor and the like, and is a hydrogen peroxide stabilizer in the cosmetic industry. Crystallization is an operation method for separating by using a crystallization method by utilizing the difference of solubility of each component in a mixture in the same solvent or the obvious difference of solubility under the condition of cold and hot. According to different methods, there are methods such as cooling crystallization, evaporative crystallization and sublimation crystallization.

And current cooling crystallization device can be equipped with agitating unit and improve crystallization efficiency usually, but current agitating unit's stirring mode is single, and acetanilide compound that can not be fine stirs for it is not obvious to improve crystallization efficiency's effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a cooling crystallization device for acetanilide compounds, and aims to solve the problems that in the prior art, a stirring device in the cooling crystallization device for acetanilide compounds is single in stirring mode and cannot stir acetanilide compounds well, so that the crystallization efficiency of the crystallization device is not obvious.

In order to achieve the purpose, the utility model provides the following technical scheme: a cooling crystallization device of acetanilide compounds comprises: the retort, the bottom fixedly connected with spliced pole of retort, the top fixedly connected with screw thread post of spliced pole, threaded connection has the churn on the screw thread post, two stirring posts are no less than to fixedly connected with on the churn, the non-circular hole has been seted up to the one end that the spliced pole was kept away from to the churn, the inside sliding connection of non-circular hole has the non-circular post with the non-circular hole adaptation, the top fixedly connected with gear of retort is run through to the one end of non-circular post, the top of retort is provided with the sliding frame, the gear is located the inside of sliding frame, the inside one side of sliding frame is provided with the rack with the gear adaptation, the top of retort is provided with the reciprocating mechanism that the drive sliding frame was reciprocating sliding motion.

In order to enable the cooling crystallization device of the acetanilide compound to have the effect of cooling the acetanilide compound, the utility model is preferably that a cavity is formed in the shell around the reaction tank, a liquid inlet pipe communicated with the cavity is fixedly connected to one side of the reaction tank, a liquid outlet pipe communicated with the cavity is fixedly connected to the other side of the reaction tank, a condenser is arranged on the liquid outlet pipe, the condenser is provided with a water tank through a connecting pipe, the liquid inlet pipe is communicated with the inside of the water tank, and a water pump for pumping water to the inside of the cavity is arranged in the water tank.

In order to enable the cooling crystallization device of the acetanilide compound to have the function of enabling the noncircular column to rotate forwards and backwards, the reciprocating mechanism preferably comprises a connecting plate fixedly connected to the top of the sliding frame, a threaded hole is formed in the top of the connecting plate, a screw rod enabling the connecting plate to reciprocate is in threaded connection inside the threaded hole, an installation plate is fixedly connected to the top of the reaction tank, and a driving device for driving the screw rod to rotate is fixedly installed on the installation plate.

In order to make the cooling crystallization device of the acetanilide compound have the function of making the sliding frame slide in a reciprocating manner, the screw is preferably a reciprocating screw.

Preferably, the driving device is a driving motor.

Preferably, the top of the reaction tank is provided with a feed inlet.

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

the cooling crystallization device of the acetanilide compound can drive the screw rod to rotate through the operation of the driving device, can drive the connecting plate to do reciprocating motion through the rotation of the screw rod, can drive the sliding frame to do reciprocating motion simultaneously, can drive the gear to do reciprocating positive and negative rotation through the sliding frame, and can drive the non-circular column to do positive and negative rotation simultaneously, through the matching between the non-circular column and the non-circular hole, the stirring cylinder can be driven to rotate, the acetanilide compound can be stirred through the stirring cylinder, when the stirring cylinder rotates, the stirring cylinder slides on the surface of the non-circular column through the threaded column fixed at the top of the connecting column and the internal threaded connection of the stirring cylinder, thereby the stirring cylinder can have the effect of up-and-down reciprocating motion, the device can drive the stirring cylinder to do positive and negative rotation through the reciprocating rotation of the non-circular column, the acetanilide compound is positively and reversely stirred, so that the stirring effect of the acetanilide compound is improved, the stirring cylinder can have an effect of sliding up and down in addition by arranging the threaded column while positively and reversely stirring the acetanilide compound, the stirring effect of the device can be further improved, and the crystallization efficiency of the acetanilide compound is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a top view of an embodiment of the present invention;

FIG. 3 is an axial cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is an axial cross-sectional view taken along line B-B of FIG. 2;

FIG. 5 is a schematic structural view of a mixing drum structure according to an embodiment of the present invention.

In the figure: 1. a reaction tank; 2. connecting columns; 3. a threaded post; 4. a mixing drum; 5. a stirring column; 6. a non-circular aperture; 7. a non-circular column; 8. a gear; 9. a sliding frame; 10. a rack; 11. a reciprocating mechanism; 111. a connecting plate; 112. a threaded hole; 113. a screw; 114. mounting a plate; 115. a drive device; 12. a cavity; 13. a liquid inlet pipe; 14. a liquid outlet pipe; 15. a condenser; 16. a connecting pipe; 17. a water tank; 18. and (4) a water pump.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides the following technical solutions: a cooling crystallization device of acetanilide compounds comprises: retort 1, retort 1's bottom fixedly connected with spliced pole 2, spliced pole 2's top fixedly connected with screw thread post 3, threaded connection has churn 4 on the screw thread post 3, fixedly connected with is no less than two churns 5 on churn 4, non-circular hole 6 has been seted up to the one end that spliced pole 2 was kept away from to churn 4, non-circular hole 6's inside sliding connection has the non-circular post 7 with the 6 adaptations of non-circular hole, the one end of non-circular post 7 runs through retort 1's top fixedly connected with gear 8, retort 1's top is provided with sliding frame 9, gear 8 is located sliding frame 9's inside, the inside one side of sliding frame 9 is provided with the rack 10 with gear 8 adaptation, retort 1's top is provided with the reciprocating motion 11 that drive sliding frame 9 was reciprocating sliding motion.

In the embodiment of the utility model, the reciprocating mechanism 11 drives the sliding frame 9 to do reciprocating motion, the sliding frame 9 can drive the gear 8 to do reciprocating forward and backward rotation and drive the non-circular column 7 to do forward and backward rotation, the mixing drum 4 can rotate through the matching between the non-circular column 7 and the non-circular hole 6, the acetanilide compound can be mixed through the mixing column 5, when the mixing drum 4 rotates, the threaded column 3 fixed at the top of the connecting column 2 is connected with the internal thread of the mixing drum 4, so that the mixing drum 4 slides on the surface of the non-circular column 7 when rotating, and the mixing drum 4 can have the effect of reciprocating up and down, the device can drive the mixing drum 4 to do forward and backward rotation through the reciprocating rotation of the non-circular column 7, and the acetanilide compound can be mixed in forward rotation and backward rotation, thereby improving the mixing effect of the acetanilide compound, when the stirring drum 4 is used for positively and reversely stirring the acetanilide compound, the threaded column 3 is arranged to enable the stirring drum 4 to have the effect of sliding up and down, so that the stirring effect of the device can be further improved, and the efficiency of crystallizing the acetanilide compound is further improved.

Further, cavity 12 has been seted up to the inside of the peripheral shell of retort 1, one side fixedly connected with of retort 1 and the inside communicating feed liquor pipe 13 of cavity 12, the opposite side fixedly connected with of retort 1 and the inside communicating drain pipe 14 of cavity 12, be provided with condenser 15 on drain pipe 14, condenser 15 is provided with water tank 17 through connecting pipe 16, feed liquor pipe 13 and the inside of water tank 17 communicate with each other, the inside of water tank 17 is provided with the water pump 18 that draws water to the inside of cavity 12, through the internal heating circulating water with water tank 17, then cool down the circulating water through condenser 15, add the inside of cavity 12 with the circulating water through water pump 18 and cool down the acetanilide compound, then the inside that gets into condenser 15 through drain pipe 14 again cools down the circulating water.

Specifically, the reciprocating mechanism 11 includes a connecting plate 111 fixedly connected to the top of the sliding frame 9, a threaded hole 112 is formed in the top of the connecting plate 111, a screw 113 enabling the connecting plate 111 to reciprocate is connected to the internal thread of the threaded hole 112, a mounting plate 114 is fixedly connected to the top of the reaction tank 1, a driving device 115 for driving the screw 113 to rotate is fixedly mounted on the mounting plate 114, the screw 113 can be driven to rotate through rotation of the driving device 115, the connecting plate 111 can be made to reciprocate through rotation of the screw 113, the connecting plate 111 can be made to reciprocate through the connecting plate 111, and the sliding frame 9 can be made to reciprocate.

Preferably, the screw 113 is a reciprocating screw.

Preferably, the driving device 115 is a driving motor.

Further, a feeding hole is formed in the top of the reaction tank 1.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A cooling crystallization device of acetanilide compound is characterized by comprising: the reaction tank (1), the bottom fixedly connected with spliced pole (2) of reaction tank (1), the top fixedly connected with screw thread post (3) of spliced pole (2), threaded connection has churn (4) on screw thread post (3), fixedly connected with is no less than two churns (5) on churn (4), the one end that spliced pole (2) were kept away from to churn (4) has seted up non-circular hole (6), the inside sliding connection of non-circular hole (6) has non-circular post (7) with non-circular hole (6) adaptation, the top fixedly connected with gear (8) that the one end of non-circular post (7) runs through reaction tank (1), the top of reaction tank (1) is provided with sliding frame (9), gear (8) are located the inside of sliding frame (9), one side of sliding frame (9) inside is provided with rack (10) of gear (8) adaptation, the top of the reaction tank (1) is provided with a reciprocating mechanism (11) for driving the sliding frame (9) to do reciprocating sliding motion.

2. The cooling crystallization device of acetanilide compounds according to claim 1, characterized in that: cavity (12) have been seted up to the inside of the peripheral shell of retort (1), one side fixedly connected with and the inside communicating feed liquor pipe (13) of cavity (12) of retort (1), the opposite side fixedly connected with and the inside communicating drain pipe (14) of cavity (12) of retort (1), be provided with condenser (15) on drain pipe (14), condenser (15) are provided with water tank (17) through connecting pipe (16), the inside of feed liquor pipe (13) and water tank (17) communicates with each other, the inside of water tank (17) is provided with water pump (18) of drawing water to the inside of cavity (12).

3. The cooling crystallization device of acetanilide compounds according to claim 1, characterized in that: reciprocating mechanism (11) are including connecting plate (111) of fixed connection at sliding frame (9) top, the top of connecting plate (111) is provided with screw hole (112), the internal thread connection of screw hole (112) has screw rod (113) that make connecting plate (111) be reciprocating motion, the top fixedly connected with mounting panel (114) of retort (1), fixed mounting has drive screw rod (113) pivoted drive arrangement (115) on mounting panel (114).

4. The cooling crystallization device of acetanilide compounds according to claim 3, characterized in that: the screw (113) is a reciprocating screw.

5. The cooling crystallization device of acetanilide compounds according to claim 3, characterized in that: the driving device (115) is a driving motor.

6. A device for the crystallization of acetanilide compounds by cooling down according to any one of claims 1 to 5, characterized in that: the top of the reaction tank (1) is provided with a feeding hole.