CN210302472U - Rectifying tower for processing and producing glycidyl methacrylate - Google Patents

Abstract

The utility model discloses a rectifying column is used in glycidyl methacrylate processing production, which comprises a supporting foot, the upper end fixedly connected with tower body of supporting legs, apron and upper cover plate under the inside fixedly connected with of tower body, the below of apron is the evaporation chamber down in the tower body, the bottom in evaporation chamber sets up installs the electrical heating board, is connected with the inlet pipe on the right side wall in evaporation chamber, and the top of upper cover plate is the condensation chamber in the tower body, and the lower extreme of upper cover plate is provided with a circle of amasss groove, the top in condensation chamber is connected with the blast pipe, and the bottom in condensation chamber is connected with row's material pipe, and the winding has the condenser pipe on the inside wall in condensation chamber, the condenser pipe upper end is connected with the feed liquor pipe, and the lower extreme of condenser. The utility model relates to a simple structure, rectification efficiency is high, and glycidyl methacrylate processing production that utilization ratio of raw materials is high uses the rectifying column.

Description

Rectifying tower for processing and producing glycidyl methacrylate

Technical Field

The utility model relates to a glycidyl methacrylate production technical field specifically is a rectifying column is used in glycidyl methacrylate processing production.

Background

Glycidyl methacrylate is mainly used in powder coatings, but also in thermosetting coatings, fiber treatment agents, adhesives, antistatic agents, vinyl chloride stabilizers, rubber and resin modifiers, ion exchange resins and binders for printing inks. The glycidyl methacrylate is obtained by reacting sodium methacrylate with epichlorohydrin, has mild reaction, and is a commonly adopted method in the world at present. At present, most of the rectifying towers adopted in the existing glycidyl methacrylate preparation process have the defects of low rectifying efficiency and low raw material utilization rate.

Therefore, a new rectifying tower for processing and producing glycidyl methacrylate is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rectifying column is used in glycidyl methacrylate processing production to solve the problem that proposes in 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 rectifying column is used in glycidyl methacrylate processing production, includes the supporting legs, the upper end fixedly connected with tower body of supporting legs, apron and upper cover plate under the inside fixedly connected with of tower body, the below of apron is the evaporation chamber down in the tower body, the bottom in evaporation chamber sets up installs the electrical heating board, is connected with the inlet pipe on the right side wall in evaporation chamber, and the top of upper cover plate is the condensation chamber in the tower body, and the lower extreme of upper cover plate is provided with a circle of liquid accumulation groove, the top in condensation chamber is connected with the blast pipe, and the bottom in condensation chamber is connected with row's material pipe, and the winding has the condenser pipe on the inside wall in condensation chamber, the condenser pipe upper end is connected with the feed liquor pipe, and the lower.

Preferably, the fan is installed in the setting on the inside wall of tower body, the fan sets up at the upper cover plate under and between the apron, the inlet end of fan passes through the intake pipe and links to each other with the evaporation chamber, and the end of giving vent to anger of fan passes through the outlet duct and links to each other with the condensation chamber.

Preferably, the air outlet pipe is connected with a branch pipe, and one end of the air outlet pipe, which is far away from the fan, and one end of the branch pipe, which is close to the air outlet pipe, are provided with electromagnetic valves.

Preferably, a baffle is fixedly connected to the position, above the condensation pipe, in the condensation chamber.

Preferably, the inside of condensation chamber is located the top fixedly connected with a pair of staggered arrangement's of baffle condensation plate, the one end of condensation plate and the inside wall fixed connection of tower body, the condensation plate slope sets up, and the condensation plate is reduced to the one end of keeping away from the tower body inside wall by the one end of being connected with the tower body inside wall.

Preferably, the semiconductor refrigeration piece is arranged and installed on the upper end face of the condensation plate.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses in, the fan is carried the gas mixture in the evaporation chamber and is condensed the chamber, has avoided the process mutual interference of condensation and evaporation, has improved the efficiency of condensation. Before the electric heating plate works, the electromagnetic valve controls the air outlet pipe to be closed and the branch pipe to be opened, the fan works to pump out air in the evaporation cavity, the air pressure of the evaporation cavity is reduced, and the effect of improving the evaporation speed is achieved. The baffle is used for limiting the gas mixture to escape from the tower body too fast, and the effect of improving the rectification rate is achieved. The condensation plate also plays a role in limiting gas mixtures from escaping from the tower body too fast, and the condensation plate plays a role in assisting in condensation. The semiconductor refrigeration piece is used for improving the condensation effect of the condensation plate. The utility model relates to a simple structure, rectification efficiency is high, and glycidyl methacrylate processing production that utilization ratio of raw materials is high uses the rectifying column.

Drawings

FIG. 1 is a schematic structural diagram of a rectifying tower for processing and producing glycidyl methacrylate;

fig. 2 is a partial structural view at K in fig. 1.

In the figure: 1-supporting legs, 2-tower body, 3-evaporation cavity, 4-electric heating plate, 5-lower cover plate, 6-upper cover plate, 7-liquid collecting tank, 8-condensation cavity, 9-condensation pipe, 10-liquid inlet pipe, 11-liquid outlet pipe, 12-inlet pipe, 13-discharge pipe, 14-exhaust pipe, 15-baffle plate, 16-condensation plate, 17-semiconductor refrigeration piece, 18-fan, 19-inlet pipe, 20-outlet pipe, 21-branch pipe and 22-electromagnetic valve.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a rectifying column is used in glycidyl methacrylate processing production, includes supporting legs 1, the upper end fixedly connected with tower body 2 of supporting legs 1, apron 5 and upper cover plate 6 under the inside fixedly connected with of tower body 2, the below of apron 5 is evaporation chamber 3 under in the tower body 2, the bottom of evaporation chamber 3 sets up installs electric heating board 4, is connected with inlet pipe 12 on the right side wall of evaporation chamber 3, and the top of upper cover plate 6 is condensation chamber 8 in the tower body 2, and the lower extreme of upper cover plate 6 is provided with a circle of hydrops groove 7, the top of condensation chamber 8 is connected with blast pipe 14, and the bottom of condensation chamber 8 is connected with row's material pipe 13, and the winding has condenser pipe 9 on the inside wall of condensation chamber 8, condenser pipe 9 upper end is connected with feed liquor pipe 10, and the lower extreme of condenser pipe 9 is connected with drain pipe.

In the rectification process, raw materials enter the evaporation cavity 3 from the feeding pipe 12, the raw materials are evaporated into a gas mixture by the electric heating plate 4, the gas mixture enters the condensation cavity 8 through the lower cover plate 5 and the upper cover plate 6, a cold medium is circulated in the condensation pipe 9 to condense substances needing rectification of the gas mixture, the condensed rectification substances are discharged from the discharge pipe 13, and waste gas in the gas mixture is discharged from the exhaust pipe 14.

Preferably, a fan 18 is arranged on the inner side wall of the tower body 2, the fan 18 is arranged between the upper cover plate 6 and the lower cover plate 5, the air inlet end of the fan 18 is connected with the evaporation cavity 3 through an air inlet pipe 19, and the air outlet end of the fan 18 is connected with the condensation cavity 8 through an air outlet pipe 20.

The fan 18 conveys the gas mixture in the evaporation cavity 3 to the condensation cavity 8, so that mutual interference of condensation and evaporation processes is avoided, and the condensation efficiency is improved.

Preferably, a branch pipe 21 is connected to the air outlet pipe 20, and an electromagnetic valve 22 is installed at one end of the air outlet pipe 20 far away from the blower 18 and one end of the branch pipe 21 close to the air outlet pipe 20.

Before the electric heating plate 4 works, the electromagnetic valve 22 controls the air outlet pipe 20 to be closed and the branch pipe 21 to be opened, the fan 18 works to pump out air in the evaporation cavity 3, the air pressure of the evaporation cavity 3 is reduced, and the effect of improving the evaporation speed is achieved.

Preferably, a baffle 15 is fixedly connected to the condensing chamber 8 above the condensing pipe 9.

The baffle 15 is used for limiting the gas mixture to escape from the tower body 2 too fast, and plays a role in improving the rectification rate.

Preferably, the inside of condensation chamber 8 is located the top fixedly connected with a pair of staggered condensation plate 16 that sets up of baffle 15, the one end of condensation plate 16 and the inside wall fixed connection of tower body 2, the setting of condensation plate 16 slope, condensation plate 16 is reduced to the one end of keeping away from the tower body 2 inside wall by the one end of being connected with the tower body 2 inside wall.

The condensation plate 16 also serves to limit the gas mixture from escaping the tower 2 too quickly, while the condensation plate 16 serves to assist condensation.

Preferably, a semiconductor refrigeration piece 17 is arranged and mounted on the upper end surface of the condensation plate 16.

The semiconductor cooling fins 17 are used to improve the condensation effect of the condensation plate 16.

The utility model discloses a theory of operation is: the utility model relates to a rectifying column is used in glycidyl methacrylate processing production, the rectification in-process, the raw materials gets into evaporation chamber 3 from inlet pipe 12, electric heating board 4 evaporates the raw materials into gas mixture, gas mixture gets into condensation chamber 8 through lower cover plate 5 and upper cover plate 6, condenser pipe 9 mesocycle has the cold medium to need the material condensation of rectification with gas mixture, the condensation goes out rectification thing and discharges from row material pipe 13, waste gas in the gas mixture is discharged from blast pipe 14. The fan 18 conveys the gas mixture in the evaporation cavity 3 to the condensation cavity 8, so that mutual interference of condensation and evaporation processes is avoided, and the condensation efficiency is improved. Before the electric heating plate 4 works, the electromagnetic valve 22 controls the air outlet pipe 20 to be closed and the branch pipe 21 to be opened, the fan 18 works to pump out air in the evaporation cavity 3, the air pressure of the evaporation cavity 3 is reduced, and the effect of improving the evaporation speed is achieved. The baffle 15 is used for limiting the gas mixture to escape from the tower body 2 too fast, and plays a role in improving the rectification rate. The condensation plate 16 also serves to limit the gas mixture from escaping the tower 2 too quickly, while the condensation plate 16 serves to assist condensation. The semiconductor cooling fins 17 are used to improve the condensation effect of the condensation plate 16.

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.

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 (6)

1. The utility model provides a rectifying column is used in glycidyl methacrylate processing production, includes supporting legs (1), its characterized in that: the upper end of the supporting leg (1) is fixedly connected with a tower body (2), the interior of the tower body (2) is fixedly connected with a lower cover plate (5) and an upper cover plate (6), an evaporation cavity (3) is arranged below a lower cover plate (5) in the tower body (2), an electric heating plate (4) is arranged at the bottom of the evaporation cavity (3), a feeding pipe (12) is connected on the right side wall of the evaporation cavity (3), a condensation cavity (8) is arranged above an upper cover plate (6) in the tower body (2), a circle of liquid accumulation tank (7) is arranged at the lower end of the upper cover plate (6), the top of the condensation chamber (8) is connected with an exhaust pipe (14), the bottom of the condensation chamber (8) is connected with a discharge pipe (13), the inner side wall of the condensation chamber (8) is wound with a condensation pipe (9), the upper end of the condensation pipe (9) is connected with a liquid inlet pipe (10), and the lower end of the condensation pipe (9) is connected with a liquid outlet pipe (11).

2. The rectifying tower for processing and producing glycidyl methacrylate according to claim 1, wherein the rectifying tower comprises: set up on the inside wall of tower body (2) and install fan (18), fan (18) set up at upper cover plate (6) and down between apron (5), the inlet end of fan (18) passes through intake pipe (19) and links to each other with evaporation chamber (3), and the end of giving vent to anger of fan (18) passes through outlet duct (20) and links to each other with condensation chamber (8).

3. The rectifying tower for processing and producing glycidyl methacrylate according to claim 2, characterized in that: the air outlet pipe (20) is connected with a branch pipe (21), and one end of the air outlet pipe (20) far away from the fan (18) and one end of the branch pipe (21) close to the air outlet pipe (20) are provided with an electromagnetic valve (22).

4. The rectifying tower for processing and producing glycidyl methacrylate according to claim 1, wherein the rectifying tower comprises: a baffle (15) is fixedly connected to the upper part of the condensing pipe (9) in the condensing cavity (8).

5. The rectifying tower for processing and producing glycidyl methacrylate according to claim 1, wherein the rectifying tower comprises: the inside of condensation chamber (8) is located a pair of condensing panel (16) of crisscross setting of top fixedly connected with of baffle (15), the one end of condensing panel (16) and the inside wall fixed connection of tower body (2), condensing panel (16) slope sets up, and condensing panel (16) are reduced to the one end of keeping away from tower body (2) inside wall by the one end of being connected with tower body (2) inside wall.

6. The rectifying tower for processing and producing glycidyl methacrylate according to claim 5, wherein the rectifying tower comprises: and the upper end surface of the condensing plate (16) is provided with a semiconductor refrigerating sheet (17).

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