CN217163299U

CN217163299U - Etherification water diversion device

Info

Publication number: CN217163299U
Application number: CN202220401124.0U
Authority: CN
Inventors: 张泉盛; 任欢辉; 王冬军; 吕磊; 夏晓章
Original assignee: Jiangsu Lianhuan Pharmaceutical Co ltd
Current assignee: Jiangsu Lianhuan Pharmaceutical Co ltd
Priority date: 2022-02-24
Filing date: 2022-02-24
Publication date: 2022-08-12
Anticipated expiration: 2032-02-24

Abstract

The utility model discloses an etherification reaction water diversion apparatus belongs to chemical synthesis equipment technical field, and this water diversion apparatus is including a jar body and inlet tube, and the inlet tube setting is on jar body, and the inlet tube is in jar internal length is N, and jar body length is M, and N is greater than or equal to 0.5M, is equipped with the drain pipe that is used for discharging water and the first outlet pipe that is used for discharging organic solvent on jar body, and the drain pipe is connected with the lower extreme of jar body and is equipped with the drain valve on the drain pipe. The utility model reduces the influence on the standing layer when the mixture enters the tank body, and improves the layering speed and the layering efficiency of the organic solvent and the water; the first baffle plate and the second baffle plate are arranged to enable the mixture to be blocked and flow upwards in a baffling mode in the tank, the organic solvent and water are separated for the second time, the condensation and collection of water molecules are accelerated by changing the flow speed of the water-containing organic solvent at the bottom of the inverted cone-shaped tank, and the separation of the water-containing organic solvent is facilitated; the water diversion device has the advantages of simple integral structure, convenience and quickness in water diversion and good water diversion effect.

Description

Etherification water diversion device

Technical Field

The utility model belongs to the technical field of chemical synthesis equipment, concretely relates to etherification reaction water diversion apparatus.

Background

The etherification reaction is mainly characterized in that alcohol is dehydrated into ether through molecules under the action of an acid catalyst, the etherification reaction is a reversible reaction, if the reaction is carried out in the positive direction, water generated by the reaction needs to be removed in time, a water separation device is generally arranged to remove the water, the water separation device enables the etherification to be fully reacted, the yield and the quality of the generated etherate can be obviously improved, the existing water separation device only carries out primary layering under the influence of gravity, the water below an organic solvent layer is discharged after the layering, but the primary layering effect of the gravity is poor, so that the water and the organic solvent are mixed and returned to a reaction system, and the yield and the quality of the generated etherate are influenced.

SUMMERY OF THE UTILITY MODEL

The technical problem is as follows: to the above-mentioned problem that exists among the prior art, the utility model aims to solve the technical problem that an etherification water diversion apparatus improves the effect of dividing water is provided.

The technical scheme is as follows: in order to solve the technical problem, the utility model discloses a technical scheme as follows:

the etherification reaction water diversion device is used for separating organic solvent from water in a mixture and comprises a tank body and an inlet pipe, wherein the inlet pipe is arranged on the tank body, the length of the inlet pipe in the tank body is N, the length of the tank body is M, N is more than or equal to 0.5M, a drain pipe for draining water and a first outlet pipe for draining the organic solvent are arranged on the tank body, the drain pipe is connected with the lower end of the tank body, and a drain valve is arranged on the drain pipe.

Preferably, a plurality of first baffles are arranged on the inner wall of the tank body.

Preferably, a plurality of second baffles are arranged on the outer wall of the inlet pipe.

Preferably, the tank body is further provided with a vent pipe, and the height of the vent pipe is higher than that of the first outlet pipe.

Preferably, a water distribution visual cup is arranged on the drain pipe.

Preferably, the tank body comprises an inverted conical tank bottom.

Preferably, the drain pipe is provided with a first flange, the first outlet pipe is provided with a second flange, the inlet pipe is provided with a third flange, and the emptying pipe is provided with a fourth flange.

Has the advantages that: compared with the prior art, the utility model has the advantages of it is following: 1. the inlet pipe is arranged in the tank body and close to the bottom of the tank body, so that the influence of a mixture on a standing layer when entering the tank body is reduced, and the layering speed and the layering efficiency of the organic solvent and water are improved; 2. arranging a first baffle and a second baffle to make the mixture blocked and baffled and lifted in the tank, and performing secondary separation on the organic solvent and the water; 3. the inverted cone tank bottom accelerates the condensation and collection of water molecules by changing the flow velocity of the water-containing organic solvent, and is beneficial to separating the water-containing organic solvent; 4. the water diversion device has the advantages of simple integral structure, convenience and quickness in water diversion and good water diversion effect.

Drawings

FIG. 1 is a schematic view of the external structure of the present invention;

fig. 2 is a schematic view of the internal structure of the tank of the present invention.

Detailed Description

The present invention will be further illustrated by the following specific examples, which are carried out on the premise of the technical scheme of the present invention, and it should be understood that these examples are only for illustrating the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 1 and 2, an etherification reaction water diversion device for separating organic solvent from water in a mixture comprises a tank body 1 and an inlet pipe 2, wherein the inlet pipe 2 is arranged at the upper end of the tank body 1, the inlet pipe 2 is used for being connected with a condenser and is used for introducing the organic solvent mixture with water into the tank body 1, the length of the inlet pipe 2 in the tank body 1 is N, the length of an inner cavity of the tank body 1 is M, N is 0.8M, so that an outlet at the bottom of the inlet pipe 2 is close to the bottom of the tank body 1, the mixture enters the tank body 1 and gradually rises from the bottom of the tank along a pipeline of the inlet pipe 2 to the bottom of the tank, the influence of kinetic energy on standing and layering when the mixture drops from a high position in the tank is reduced, the bottom of the tank body 1 is provided with an inverted cone-shaped tank bottom 14, the water and the organic solvent are layered due to gravity, and the inverted cone-shaped tank bottom changes the flow rate of the organic solvent with water, accelerating the condensation and collection of water molecules, being beneficial to separating water-containing organic solvents, a drain pipe 11 is arranged at the bottom of the tank body 1, a water diversion visual cup 6 and a drain valve 3 are arranged on the drain pipe 11, the water and the organic solvents are separated due to different densities, the organic solvent layer is arranged above the water layer is arranged below the water layer, the drain valve 3 is opened to drain the water after the water layer is observed to be accumulated to a certain height through the water diversion visual cup 6, the drain valve 3 is closed after the water is drained, a first outlet pipe 12 is connected to the side wall of the tank body 1 close to the upper end, and the water is drained from the first outlet pipe 12 and returned to an etherification reaction system after the solvent layer gradually rises. The tank body 1 is also provided with a vent pipe 13, and the vent pipe 13 is arranged at the top end of the tank body 1 and is connected with a vent header pipe.

The inner wall of the tank body 1 is provided with a plurality of first baffles 4, the first baffles 4 are arranged at equal distances from top to bottom, the outer wall of the inlet pipe 2 is provided with a plurality of second baffles 5, the second baffles 5 are also arranged at equal distances from top to bottom on the outer wall of the inlet pipe 2, and the first baffles 4 and the second baffles 5 are arranged in a staggered manner, so that the two baffles form a baffle plate function, namely, the mixture rises to form a barrier to enable the mixture to be bent upwards, and the separation of water and an organic solvent in the mixture is facilitated.

Be equipped with first flange 111 on the drain pipe 11, be equipped with second flange 121 on first outlet pipe 12, be equipped with third flange 21 on the inlet tube 2, be equipped with fourth flange 131 on the blow-down pipe 13, the convenience is connected with other equipment.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The etherification reaction water diversion device is used for separating an organic solvent from water in a mixture and is characterized by comprising a tank body (1) and an inlet pipe (2), wherein the inlet pipe (2) is arranged on the tank body (1), the length of the inlet pipe (2) in the tank body (1) is N, the length of the tank body (1) is M, N is more than or equal to 0.5M, a drain pipe (11) for draining water and a first outlet pipe (12) for draining the organic solvent are arranged on the tank body (1), the drain pipe (11) is connected with the lower end of the tank body (1), and a drain valve (3) is arranged on the drain pipe (11).

2. The etherification reaction water diversion device according to claim 1, wherein the inner wall of the tank body (1) is provided with a plurality of first baffles (4).

3. The etherification reaction water diversion apparatus according to claim 1, wherein a plurality of second baffles (5) are provided on the outer wall of the inlet pipe (2).

4. The etherification water diversion device according to claim 1, wherein a vent pipe (13) is further arranged on the tank body (1), and the height of the vent pipe (13) is higher than that of the first outlet pipe (12).

5. The etherification reaction water diversion device according to claim 1, wherein a water diversion visual cup (6) is arranged on the water discharge pipe (11).

6. The etherification reaction water diversion apparatus according to claim 1, wherein the tank body (1) comprises an inverted conical tank bottom (14).

7. The etherification reaction water diversion device according to claim 4, wherein a first flange (111) is provided on the water discharge pipe (11), a second flange (121) is provided on the first outlet pipe (12), a third flange (21) is provided on the inlet pipe (2), and a fourth flange (131) is provided on the vent pipe (13).