CN215136997U - Rectifying tower for producing dodecyl alcohol ester - Google Patents

Abstract

The utility model discloses a rectifying column for production of dodecyl alcohol ester, including supporting leg and shell, the shell is installed at the top of supporting leg, the bottom center of shell runs through there is the discharge gate, the upper end center department of shell runs through there is the gas outlet, the right-hand member of shell runs through has backward flow mouth and air inlet, the backward flow mouth sets up the upside at the air inlet, then return flow mouth and external pipeline fixed connection, and then just can use, and liquid will be on the column plate when rectifying, because gravity trickles downwards, then gas will be because of pressure, through the supplementary diffuser on the column plate, upwards flow, will be divided into tiny gas by the reposition of redundant personnel screen cloth in the supplementary diffuser when passing through the supplementary diffuser, just so can rectify, flow out from the discharge gate at last, will be more abundant when carrying out gas-liquid mixture like this, therefore, the working efficiency can be greatly improved, and the resource cost can be saved.

Description

Rectifying tower for producing dodecyl alcohol ester

Technical Field

The utility model belongs to the technical field of the rectifying column is relevant, concretely relates to a rectifying column for production of dodecyl alcohol ester.

Background

The rectifying tower is a tower-type gas-liquid contact device for rectifying. By utilizing the property that each component in the mixture has different volatility, namely the vapor pressure of each component is different at the same temperature, the light component (low-boiling-point substance) in the liquid phase is transferred into the gas phase, and the heavy component (high-boiling-point substance) in the gas phase is transferred into the liquid phase, thereby realizing the purpose of separation. The rectifying tower is also a mass and heat transfer device which is widely applied in petrochemical production, and a certain separation effect can be achieved no matter equilibrium distillation or simple distillation is adopted, but a mixture cannot be separated into a certain amount of high-purity products. In petrochemical production, a product with high purity is often required to be obtained, the product with high purity can be obtained through a rectification process, and a general rectification device comprises a rectification tower body, a condenser, a reflux tank, a reboiler and other equipment. The feed enters the column from a certain section of tray in the rectification column, which is called a feed tray. The rectifying tower is divided into an upper section and a lower section by the feeding plate, the upper part of the feeding plate is called a rectifying section, and the lower part of the feeding plate is called a stripping section.

The prior rectifying tower technology for producing the dodecanol ester has the following problems: the existing rectifying tower for producing the dodecyl alcohol ester is mainly used for rectifying, while the whole rectifying tower for producing the dodecyl alcohol ester is mainly realized by an internal tower plate, the internal tower plate can play a role in rectifying, but when the rectifying tower is used, gas passes through holes in the tower plate, the gas has limitation, the contact area with liquid is smaller, and the liquid is easy to remain in the holes, so that the rectifying tower is more troublesome when being used, and the efficiency is lower when being used.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rectifying column for production of dodecyl alcohol ester to solve the effect of rectifying through inside column plate that proposes in the above-mentioned background art, nevertheless have the limitation when gaseous hole on passing through the column plate when using, with the area of contact of liquid less, and liquid leaves from the hole easily, will be more trouble when using like this, the low problem that efficiency will be more like this when using.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a rectifying column for production of dodecanol ester, includes supporting leg and shell, the shell is installed on the top of supporting leg, the bottom center of shell runs through there is the discharge gate, the upper end center department of shell runs through there is the gas outlet, the right-hand member of shell runs through there are backward flow mouth and air inlet, the backward flow mouth sets up the upside at the air inlet, the left end of shell runs through there is the feed inlet, the inner wall of shell is provided with the column plate, the inside of column plate runs through there is supplementary diffusion device, the right-hand member of column plate is provided with the overflow weir, supplementary diffusion device includes fixed knot, reposition of redundant personnel screen cloth and top cap, the fixed knot sets up the inside at the column plate, the top of fixed knot is provided with the reposition of redundant personnel screen cloth, the top of redundant personnel screen cloth is provided with the top cap.

Preferably, the whole of the supporting leg is made of stainless steel metal, the outer wall of the supporting leg is coated with white metal paint, and the total number of the supporting legs is four.

Preferably, the outer ends of the discharge port, the feed port, the gas outlet, the backflow port and the gas inlet are all provided with flanges, and the cross-sectional shapes of the discharge port, the feed port, the gas outlet, the backflow port and the gas inlet are circular.

Preferably, the inner wall and the outer wall of the shell are both polished, the whole shell is made of stainless steel materials, and the outer wall of the shell is coated with white metal paint.

Preferably, the auxiliary diffusion device can make full contact between gas and liquid, the auxiliary diffusion device can be disassembled, and the auxiliary diffusion device is installed by clockwise rotation.

Preferably, the thickness of the tower plate is one point five centimeters, the tower plate is horizontally arranged, and the tower plate is fixedly connected with the shell through welding.

Compared with the prior art, the utility model provides a rectifying column for production of twelve carbon alcohol ester possesses following beneficial effect:

the utility model adds the auxiliary diffusion device on the rectifying tower for producing the dodecyl alcohol ester, when the newly added auxiliary diffusion device is used, the discharge port is fixedly connected with an external pipeline at first, the feed port is fixedly connected with the external pipeline after the discharge port is connected, the gas outlet is fixedly connected with the gas inlet and the external pipeline after the feed port is connected, the backflow port is fixedly connected with the external pipeline, then the rectifying tower can be used, liquid can be on the tower plate when rectifying, gas can flow downwards due to gravity, gas can flow upwards due to pressure intensity, the gas can flow upwards through the auxiliary diffusion device on the tower plate, and can be divided into fine gas by the shunt screen in the auxiliary diffusion device when passing through the auxiliary diffusion device, thus the rectifying tower can be rectified and finally flows out from the discharge port, therefore, gas and liquid can be mixed more sufficiently, the working efficiency can be greatly improved, and the resource cost can be saved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

FIG. 1 is a schematic view of a front view cross-sectional structure of a rectifying tower for producing dodecanol ester according to the present invention;

FIG. 2 is a schematic view of a front plan view of a rectifying tower for producing dodecanol ester according to the present invention;

FIG. 3 is a schematic diagram of a partially enlarged structure of a rectifying tower for producing dodecanol ester according to the present invention;

in the figure: 1. supporting legs; 2. a discharge port; 3. a housing; 4. a feed inlet; 5. an auxiliary diffusion device; 6. a column plate; 7. an overflow weir; 8. an air outlet; 9. a return port; 10. an air inlet; 11. a fixed joint; 12. a flow-splitting screen; 13. and a top cover.

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. 1-3, the present invention provides a technical solution: a rectifying tower for producing dodecyl alcohol ester comprises supporting legs 1 and a shell 3, wherein the whole supporting legs 1 are made of stainless steel metal, the outer walls of the supporting legs 1 are coated with white metal paint, the number of the supporting legs 1 is four, the design is stable when the rectifying tower is used, the rectifying tower is safer when the rectifying tower is used, the shell 3 is installed at the top end of each supporting leg 1, the inner wall and the outer wall of each shell 3 are polished and are bonded with the inside when the rectifying tower is used, the inside of each shell is relatively clean when the rectifying tower is used, the whole shell 3 is made of stainless steel material, the outer walls of the shells 3 are coated with white metal paint, a discharge port 2 penetrates through the center of the bottom ends of the shells 3, an air outlet 8 penetrates through the center of the upper ends of the shells 3, a backflow port 9 and an air inlet 10 penetrate through the right ends of the shells 3, the outer ends of the discharge port 2, the feed port 4, the gas outlet 8, the backflow port 9 and the gas inlet 10 are provided with flanges, after the flanges are arranged, the flanges are convenient and fast to use when being connected with a pipeline, so that the work efficiency can be greatly improved, the cross sections of the discharge port 2, the feed port 4, the gas outlet 8, the backflow port 9 and the gas inlet 10 are circular, and the backflow port 9 is arranged on the upper side of the gas inlet 10.

A rectifying column for producing dodecyl alcohol ester comprises a feed inlet 4 penetrating through the left end of a shell 3, a column plate 6 is arranged on the inner wall of the shell 3, the thickness of the column plate 6 is one-point five centimeters, the column plate 6 is horizontally arranged, the column plate 6 is fixedly connected with the shell 3 by welding, the lower price is achieved and the service life is relatively longer, an auxiliary diffusion device 5 penetrates through the column plate 6, the auxiliary diffusion device 5 can fully contact gas and liquid, so that heat and substance can be converted more fully, the auxiliary diffusion device 5 can be disassembled, the auxiliary diffusion device 5 is installed by clockwise rotation, an overflow weir 7 is arranged at the right end of the column plate 6, the auxiliary diffusion device 5 comprises a fixed joint 11, a flow distribution screen 12 and a top cover 13, the fixed joint 11 is arranged inside the column plate 6, the top of fixed knot 11 is provided with reposition of redundant personnel screen cloth 12, and the top of reposition of redundant personnel screen cloth 12 is provided with top cap 13.

The utility model discloses a theory of operation and use flow: the utility model discloses after installing, when using the rectifying column that is used for the production of dodecyl alcohol ester, at first need carry the whole rectifying column that is used for the production of dodecyl alcohol ester to the place that needs to use, then place on ground through supporting leg 1, then check whole rectifying column that is used for the production of dodecyl alcohol ester have the place that does not damage, can avoid the accident appearing when using like this, then discharge gate 2 and outside pipeline fixed connection, feed inlet 4 also with outside pipeline fixed connection after discharge gate 2 has been connected, after feed inlet 4 has been connected then gas outlet 8 and air inlet 10 with outside pipeline fixed connection, then backflow mouth 9 and outside pipeline fixed connection, then can drip and use, liquid will be on column plate 6 when carrying out the rectification, because gravity flows downwards, then gas will be because of pressure, the upward flow through the auxiliary diffuser 5 on the tray 6 is divided into fine gas by the flow dividing screen 12 in the auxiliary diffuser 5 when passing through the auxiliary diffuser 5, so that the fine gas can be rectified and finally flows out of the discharge port 2.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A rectifying column for producing dodecyl alcohol ester comprises a supporting leg (1) and a shell (3), and is characterized in that: the support leg comprises support legs (1), a shell (3) is installed at the top end of each support leg (1), a discharge hole (2) penetrates through the center of the bottom end of each shell (3), an air outlet (8) penetrates through the center of the upper end of each shell (3), a backflow port (9) and an air inlet (10) penetrate through the right end of each shell (3), the backflow port (9) is arranged on the upper side of the air inlet (10), a feed inlet (4) penetrates through the left end of each shell (3), a tower plate (6) is arranged on the inner wall of each shell (3), an auxiliary diffusion device (5) penetrates through the inner portion of each tower plate (6), an overflow weir (7) is arranged at the right end of each tower plate (6), each auxiliary diffusion device (5) comprises a fixed joint (11), a flow distribution screen (12) and a top cover (13), the fixed joints (11) are arranged inside the tower plates (6), and flow distribution screens (12) are arranged at the top ends of the fixed joints (11), and a top cover (13) is arranged at the top end of the flow dividing screen (12).

2. The rectification column for the production of dodecanol ester according to claim 1, wherein: the support leg is characterized in that the whole support leg (1) is made of stainless steel metal, white metal paint is coated on the outer wall of the support leg (1), and four support legs (1) are arranged.

3. The rectification column for the production of dodecanol ester according to claim 1, wherein: the outer ends of the discharge port (2), the feed inlet (4), the gas outlet (8), the backflow port (9) and the gas inlet (10) are all provided with flanges, and the cross-sectional shapes of the discharge port (2), the feed inlet (4), the gas outlet (8), the backflow port (9) and the gas inlet (10) are circular.

4. The rectification column for the production of dodecanol ester according to claim 1, wherein: the inner wall and the outer wall of the shell (3) are both polished, the whole shell (3) is made of stainless steel materials, and white metal paint is coated on the outer wall of the shell (3).

5. The rectification column for the production of dodecanol ester according to claim 1, wherein: the auxiliary diffusion device (5) can be detached, and the auxiliary diffusion device (5) is installed through clockwise rotation.

6. The rectification column for the production of dodecanol ester according to claim 1, wherein: the thickness of the tower plate (6) is one point five centimeters, the tower plate (6) is horizontally arranged, and the tower plate (6) is fixedly connected with the shell (3) through welding.

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