CN213221002U

CN213221002U - Methyl methacrylate rectification equipment

Info

Publication number: CN213221002U
Application number: CN202021315021.XU
Authority: CN
Inventors: 周海忠; 王建强; 李占吉; 张伟
Original assignee: Shandong Hongxu Chemical Co ltd
Current assignee: Shandong Hongxu Chemical Co ltd
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2021-05-18
Anticipated expiration: 2030-07-07

Abstract

The utility model belongs to the technical field of the rectification equipment technique and specifically relates to a methyl methacrylate rectification equipment. The utility model provides a methyl methacrylate rectification equipment, includes rectifying column, extraction tank, play jar and pipe fitting part, the pipe fitting part include connecting pipe and balance pipe, balance pipe set up between ejection of compact jar and rectifying column, balance pipe on be equipped with the liquid removal device, the liquid removal device include U type pipeline section and demister, the demister set up in balance pipe one end, U type pipeline section set up in ejection of compact jar one side, ejection of compact jar and rectifying column, extraction tank and rectifying column between link to each other through the connecting pipe, the connecting pipe on be equipped with condenser and reboiler.

Description

Methyl methacrylate rectification equipment

Technical Field

The utility model belongs to the technical field of the rectification equipment technique and specifically relates to a methyl methacrylate rectification equipment.

Background

Methyl methacrylate is a polymethyl methacrylate (organic glass) monomer, and is also copolymerized with other vinyl monomers to obtain products with different properties, has very wide application, and is commonly used for manufacturing organic glass, coatings, lubricating oil additives, plastics, adhesives, resins, wood impregnating compounds, motor coil penetrating agents, ion exchange resins, paper glazing agents, textile printing and dyeing auxiliaries, leather treatment agents, printing and dyeing auxiliaries, insulating perfusion materials and the like. Methyl methacrylate is rectified and purified by rectifying equipment in the production process, and a balance pipe is often arranged between a discharge tank and a rectifying tower in the rectifying equipment for balancing the air pressure in the discharge tank, so that the recovery of gaseous organic matters is facilitated. However, in the production process, because the material temperature in the rectifying tower is higher, a large amount of water vapor is carried in the gas in the discharge tank, and the gas carrying the water vapor easily corrodes the balance pipe and the equipment, so that the equipment is corroded and frequently replaced.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the gas in the methyl methacrylate balance tube carries water vapor, the utility model provides a methyl methacrylate rectification device.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a methyl methacrylate rectification equipment, includes rectifying column, extraction tank, play jar and pipe fitting part, the pipe fitting part include connecting pipe and balance pipe, balance pipe set up between ejection of compact jar and rectifying column, balance pipe on be equipped with the liquid removal device, the liquid removal device include U type pipeline section and demister, the demister set up in balance pipe one end, U type pipeline section set up in ejection of compact jar one side, ejection of compact jar and rectifying column, extraction tank and rectifying column between link to each other through the connecting pipe, the connecting pipe on be equipped with condenser and reboiler.

As optimization, the connecting pipe include first connecting pipe and second connecting pipe, first connecting pipe set up between extraction jar and rectifying column, first connecting pipe on be equipped with the condenser, condenser and rectifying column link to each other, the second connecting pipe set up between rectifying column and play feed tank, the second connecting pipe on be equipped with the reboiler, reboiler one end link to each other with the rectifying column.

Preferably, two ends of the U-shaped pipe are communicated with the balance pipe, the U-shaped pipe is arranged at one end, close to the discharge tank, of the balance pipe, the demister is arranged at one end, arranged in the discharge tank, of the balance pipe, a liquid outlet is arranged at the bottommost part of the U-shaped pipe, and a liquid outlet valve is arranged on the liquid outlet.

Preferably, a condensation pipe is arranged outside the U-shaped pipe, a water inlet pipe is arranged on the lower portion of the left side of the condensation pipe, and a water outlet pipe is arranged on the upper portion of the right side of the condensation pipe.

The whole beneficial effect of this scheme is: a methyl methacrylate rectification device is characterized in that a U-shaped pipe is arranged on a balance pipe, and a demister is arranged at the tail end of the balance pipe, so that part of water vapor can be effectively prevented from entering the balance pipe; and set up the condenser pipe in U type outside of tubes portion, can carry out effectual cooling to the high-temperature gas in the balance pipe, make the high-efficient condensation of steam in the gas of U type pipe of flowing through, the condensate stays U type socle portion, sets up liquid outlet and play liquid valve in U type socle portion, regularly open the liquid valve emit the intraductal liquid of U type can. The device simple structure can effectively reduce and discharge the steam in the balance pipe, ends the loss that the condensate liquid in the balance pipe caused the pipeline, reduction in production cost.

Drawings

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

FIG. 2 is a schematic view of the plane structure of the U-shaped tube of the present invention.

Wherein, 1, rectifying column, 2, extraction tank, 3, play feed tank, 4, balance pipe, 5, U type pipe, 6, demister, 7, condenser, 8, reboiler, 9, first connecting pipe, 10, second connecting pipe, 11, liquid outlet, 12, condenser pipe, 13, inlet tube, 14, outlet pipe.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the embodiment shown in fig. 1, a methyl methacrylate rectification apparatus comprises a rectification tower 1, an extraction tank 2, an extraction tank 3 and a pipe fitting part, wherein the pipe fitting part comprises a connecting pipe and a balance pipe 4, the balance pipe 4 is arranged between the extraction tank 3 and the rectification tower 1, the balance pipe 4 is provided with a liquid removing device, the liquid removing device comprises a U-shaped pipe 5 and a demister 6, the demister 6 is arranged at one end of the balance pipe 4, the U-shaped pipe 5 is arranged at one side of the extraction tank 3, the rectification tower 1, the extraction tank 2 and the rectification tower 1 are connected through connecting pipes, and the connecting pipes are provided with a condenser 7 and a reboiler 8.

The connecting pipe include first connecting pipe 9 and second connecting pipe 10, first connecting pipe 9 set up and to draw between jar 2 and rectifying column 1, first connecting pipe 9 on be equipped with condenser 7, condenser 7 link to each other with rectifying column 1, second connecting pipe 10 set up between rectifying column 1 and play feed tank 3, second connecting pipe 10 on be equipped with reboiler 8, reboiler 8 one end and rectifying column 1 link to each other.

The utility model discloses a foam-removing device, including U type pipe 5, demister 6, U type pipe 5, balance pipe 4, U type pipe 5 both ends link up with balance pipe 4, U type pipe 5 set up in balance pipe 4 and be close to the one end of blown down tank 3, demister 6 set up in the one end of balanced pipe 4 setting in blown down tank 3, U type pipe 5 bottommost be equipped with liquid outlet 11, liquid outlet 11 on be equipped with out the liquid valve.

The U-shaped pipe 5 is externally provided with a condensation pipe 12, the lower part of the left side of the condensation pipe 12 is provided with a water inlet pipe 13, and the upper part of the right side of the condensation pipe 12 is provided with a water outlet pipe 14.

When the device is used specifically, an extraction tank 2 is connected with a rectifying tower 1 through a first connecting pipe 9, a discharge tank 3 is connected with the rectifying tower 1 through a second connecting pipe 10, a condenser 7 is connected on the extraction tank 2, a reboiler 8 is connected on the discharge tank 3, a feed inlet is arranged on the rectifying tower 1, materials enter the rectifying tower 1 through the feed inlet, the rectified gas enters the extraction tank through the condenser 7, the materials enter the discharge tank 3, a large amount of steam is generated in the discharge tank 3 due to high temperature of the materials, the steam carries a large amount of organic matters and water vapor, in order to balance the air pressure in the discharge tank 3, the materials are conveniently discharged into the discharge tank 3, a balance pipe 4 is arranged between the discharge tank 3 and the rectifying tower 1, a U-shaped pipe 5 is arranged at the position where the balance pipe 4 is close to the rectifying tower 1, a condensation pipe 12 is arranged on the outer layer of the U-shaped pipe 5, the condensation pipe 12 wraps the U-shaped pipe 5, lead to the comdenstion water and cool down the high temperature gas in the U type pipe 5, make the condensate liquid flow out from U type pipe 5 bottom liquid outlet 11 to set up and be equipped with the demister on the balance pipe 4 of play feed tank 3, prevent that the liquid drop from directly getting into in the balance pipe.

The above embodiments are only specific cases of the present invention, and the protection scope of the present invention includes but is not limited to the product form and style of the above embodiments, any methyl methacrylate rectification device conforming to the claims of the present invention and any suitable changes or modifications made thereto by those skilled in the art shall fall within the protection scope of the present invention.

Claims

1. A methyl methacrylate rectification equipment is characterized in that: including rectifying column, extraction tank, play jar and pipe fitting part, the pipe fitting part include connecting pipe and balance pipe, balance pipe set up between ejection of compact jar and rectifying column, balance pipe on be equipped with the liquid removal device, the liquid removal device include U type pipeline section and demister, the demister set up in balance pipe one end, U type pipeline section set up in ejection of compact jar one side, ejection of compact jar and rectifying column, extract and link to each other through the connecting pipe between jar and the rectifying column, the connecting pipe on be equipped with condenser and reboiler.

2. A methyl methacrylate rectification apparatus as claimed in claim 1, characterized in that: the connecting pipe include first connecting pipe and second connecting pipe, first connecting pipe set up between extraction jar and rectifying column, first connecting pipe on be equipped with the condenser, condenser and rectifying column link to each other, the second connecting pipe set up between rectifying column and play feed tank, the second connecting pipe on be equipped with the reboiler, reboiler one end link to each other with the rectifying column.

3. A methyl methacrylate rectification apparatus as claimed in claim 1, characterized in that: the utility model discloses a foam-removing machine, including U type pipe, demister, balance pipe, U type pipe both ends link up with the balance pipe, U type pipe set up in the one end that is close to the play feed tank on the balance pipe, the demister set up in the one end of balance pipe in the play feed tank, U type pipe bottommost be equipped with the liquid outlet, the liquid outlet on be equipped with out the liquid valve.

4. A methyl methacrylate rectification apparatus as claimed in claim 1, characterized in that: the U-shaped pipe outside be equipped with the condenser pipe, condenser pipe left side lower part be equipped with the inlet tube, condenser pipe right side upper portion be equipped with the outlet pipe.