CN217794598U

CN217794598U - Reboiler for 1,2 dichloroethylene production

Info

Publication number: CN217794598U
Application number: CN202221782244.6U
Authority: CN
Inventors: 徐强; 万国林; 许国荣
Original assignee: Shandong Wenfeng New Material Technology Co ltd
Current assignee: Shandong Wenfeng New Material Technology Co ltd
Priority date: 2022-07-12
Filing date: 2022-07-12
Publication date: 2022-11-15
Anticipated expiration: 2032-07-12

Abstract

The application discloses a reboiler that is used for 1,2 dichloroethylene production belongs to the chemical industry equipment field, includes: the tank body is internally provided with a cleaning mechanism, the cleaning mechanism comprises a scraper, a connecting rod and a rotating shaft, the connecting rod connects the scraper with the rotating shaft, the cross section of the scraper is triangular, one corner of the triangle is in contact with the inner wall of the tank body, the connecting rod and the rotating shaft are hollow rod bodies, and one end of the rotating shaft, which penetrates through the tank body, is connected with the motor through a coupler. This application is scraped down the dirt on the internal wall of jar through the scraper blade, has lightened the intensity of labour of manual cleaning, prevents that the dirt of the internal wall of jar from influencing the function of reboiling.

Description

Reboiler for 1,2 dichloroethylene production

Technical Field

The application relates to the field of chemical equipment, in particular to a reboiler for producing 1,2 dichloroethylene.

Background

The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.

In the rectification process of 1,2 dichloroethylene, the rectifying tower needs to be matched with a reboiler for use, the reboiler heats the raw materials in the rectifying tower, so that liquid is gasified again, in the process, after the raw materials are heated and gasified in the reboiler, the inner wall of the reboiler can be condensed with crystallized dirt, and the heat transfer and the heat circulation of the reboiler are influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the present application proposes a reboiler for the production of 1,2 dichloroethylene.

The purpose of this application is to provide a reboiler for 1,2 dichloroethylene production, clears away the crystallization dirt of reboiler inner wall through clearance mechanism, prevents that heat transfer from being influenced to utilize axis of rotation, connecting rod and scraper blade in the clearance mechanism to carry out the heat transfer, make reboiler's heating effect better, heating efficiency is higher.

In order to achieve the purpose, the following technical scheme is adopted in the application:

a reboiler for the production of 1,2 dichloroethylene comprising: the tank body is internally provided with a cleaning mechanism, the cleaning mechanism comprises a scraper, a connecting rod and a rotating shaft, the connecting rod connects the scraper with the rotating shaft, the cross section of the scraper is triangular, one corner of the triangle is in contact with the inner wall of the tank body, the connecting rod and the rotating shaft are hollow rod bodies, and one end of the rotating shaft, which penetrates through the tank body, is connected with the motor through a coupler.

Furthermore, the scraper blade has four, four scraper blades correspond four at least connecting rods, four scraper blades evenly distributed is on the inner wall of the jar body.

Further, the jar body is equipped with the zone of heating, the zone of heating is located between the inner wall and the outer wall of the jar body, the zone of heating is the cavity, heats the jar body through letting in the heat source in with the zone of heating, the axis of rotation passes the both ends of the jar body, there is hollow portion in the cavity body of rod, the part that the axis of rotation is located the zone of heating is equipped with the bleeder vent, the hollow portion of the direct axis of rotation of bleeder vent, the hollow portion of axis of rotation communicates with the hollow portion of connecting rod, and the heat source just can follow the zone of heating and flow into the axis of rotation through the bleeder vent, heats jar internal portion through connecting rod and axis of rotation.

Furthermore, the scraper blade is hollow structure, the triangle-shaped one end of keeping away from the jar body is connected with connecting rod fixed connection, the hollow structure of scraper blade is connected with the hollow part of connecting rod.

Further, the jar body is the cylinder that the generating line is parallel with ground, feed inlet and discharge gate have been seted up on the jar body, the feed inlet is located the jar one side that is close to ground of body, discharge gate and feed inlet become central symmetry with the central point of the jar body.

Compared with the prior art, the beneficial effects of this application do:

1. this application is scraped the dirt on the internal wall of jar through the scraper blade, prevents that the dirt of internal wall of jar from influencing heat transfer effect and thermal circulation, alleviates the intensity of labour of manual cleaning.

2. This application makes things convenient for the flow and the transmission of heat source through being hollow structure with axis of rotation, connecting rod and scraper blade design, improves the heating effect of reboiler.

Drawings

FIG. 1 is a front view of the present application;

FIG. 2 is a front cross-sectional view of the present application;

FIG. 3 isbase:Sub>A cross-sectional view A-A of the present application;

wherein: 1. the jar body, 2, discharge gate, 3, feed inlet, 4, drain, 5, air inlet, 6, gas outlet, 7, motor, 8, axis of rotation, 9, backup pad, 10, shaft coupling, 11, zone of heating, 12, scraper blade, 13, connecting rod, 14, bleeder vent, 15, hollow portion.

The specific implementation mode is as follows:

the present application will be further described with reference to the following drawings and examples.

Example 1

A reboiler for the production of 1,2 dichloroethylene, as shown in figures 1-3, comprising: the tank comprises a tank body 1, wherein a cleaning mechanism is arranged in the tank body 1 and comprises a scraper 12, a connecting rod 13 and a rotating shaft 8, the scraper 12 is connected with the rotating shaft 8 through the connecting rod 13, the cross section of the scraper 12 is triangular, one corner of the triangle is in contact with the inner wall of the tank body 1, the connecting rod 13 and the rotating shaft 8 are hollow rod bodies, and the rotating shaft 8 penetrates through one end of the tank body 1 and is connected with a motor 7 through a coupler 10.

The motor 7 is connected with the tank 1 through a support plate 9.

The scraper 12 has the same length as the tank body 1, and can comprehensively scrape off dirt on the inner wall of the tank body 1.

As shown in fig. 3, there are four scrapers 12, and the four scrapers 12 correspond to at least four connecting rods 13, and the four scrapers 12 are uniformly distributed on the inner wall of the tank 1.

As shown in fig. 2, jar body 1 is equipped with zone of heating 11, zone of heating 11 is located between jar body 1's the inner wall and the outer wall, zone of heating 11 is the cavity, heats jar body 1 through letting in the heat source in the zone of heating 11 and heats, the heat source is hot water or steam, axis of rotation 8 passes jar body 1's both ends, there is cavity 15 in the cavity body of rod, the part that axis of rotation 8 is located zone of heating 11 is equipped with bleeder vent 14, bleeder vent 14 leads to the cavity 15 of axis of rotation 8 directly, the cavity 15 of axis of rotation 8 and the cavity intercommunication of connecting rod 13, the heat source just so can follow zone of heating 11 and flow into axis of rotation 8 through bleeder vent 14 in, heat jar body 1 inside through connecting rod 13 and axis of rotation 8.

The connecting rods 13 are multiple, the connecting rods 13 are uniformly distributed on the rotating shaft 8, and a heat source enters the hollow part 15 of the connecting rods 13, so that the inside of the tank body 1 is conveniently heated.

The scraper 12 is of a hollow structure, one end of the triangle far away from the tank body 1 is fixedly connected with the connecting rod 13, and the hollow structure of the scraper 12 is connected with the hollow part 15 of the connecting rod 13.

An air inlet 5 and an air outlet 6 are arranged on the heating layer 11, the heat source enters the heating layer 11 from the air inlet 5, and the heat source flows to the rotating shaft 8 and the hollow part 15 of the connecting rod 13, so that the rotating shaft 8 and the connecting rod 13 heat the tank body 1.

Jar body 1 is the cylinder that generating line and ground are parallel, feed inlet 3 and discharge gate 2 have been seted up on jar body 1, feed inlet 3 is located jar one side that body 1 is close to ground, discharge gate 2 becomes central symmetry with the central point of jar body 1 with feed inlet 3, and the raw materials of waiting to heat gets into jar body 1 through feed inlet 3, and the gaseous discharge from discharge gate 2 that produces after the raw materials is heated.

Still include drain 4, drain 4 is located discharge gate 2 below, after the dirt is cleared up out, adds the washing liquid in the feed inlet 3, later opens drain 4 and discharges.

The tank body 1 is also provided with an observation window, and the dirt condition in the tank body 1 can be clearly seen through the observation window.

In the technical scheme of this application, starter motor 7, motor 7 drives axis of rotation 8 and rotates, axis of rotation 8 passes through connecting rod 13 and drives scraper blade 12 and rotate, sharp end and the contact of jar internal wall 1 on scraper blade 12, in the rotation in-process like this, scraper blade 12 just can be scraped the dirt on the internal wall of jar 1, alleviate the intensity of labour of manual cleaning, when wasing, let in the washing liquid back in the feed inlet 3, open drain 4, through drain 4, the dirt of scraping scraper blade 12 is followed drain 4 and is discharged.

In the in-process that normal reboiler used, heat the jar body 1 through carrying the heat source to zone of heating 11, carry the liquid raw materials in the rectifying column to jar body 1 through feed inlet 3 in, the heat source passes through zone of heating 11 and gets into axis of rotation 8, in connecting rod 13 and the scraper blade 12, through zone of heating 11, axis of rotation 8, the transmission of the heat source in connecting rod 13 and the scraper blade 12, discharge to the heat source recovery system through gas outlet 6 at last, heat jar body 1 from inside to outside, heat the liquid raw materials in the jar body, reach the gaseous state, discharge to continue to carry out the rectification processing in the rectifying column through discharge gate 2, just so realized the reboiling function, this in-process axis of rotation 8 drives scraper blade 12 and rotates, can also drive the raw materials in jar body 1, make raw materials and inner wall area of contact increase, improve the reboiling effect.

Although the embodiments of the present application have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present application, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive effort by those skilled in the art.

Claims

1. A reboiler for the production of 1,2 dichloroethylene, comprising: the tank body is internally provided with a cleaning mechanism, the cleaning mechanism comprises a scraper, a connecting rod and a rotating shaft, the connecting rod connects the scraper with the rotating shaft, the cross section of the scraper is triangular, one corner of the triangle is in contact with the inner wall of the tank body, the connecting rod and the rotating shaft are hollow rod bodies, and one end of the rotating shaft, which penetrates through the tank body, is connected with the motor through a coupler.

2. The reboiler for the production of 1,2 dichloroethylene of claim 1, wherein there are four of said scraper bars, said four scraper bars corresponding to at least four tie bars, said four scraper bars being uniformly distributed on the inner wall of the tank.

3. The reboiler for 1,2 dichloroethylene production as set forth in claim 1, wherein said tank body is provided with a heating layer, said heating layer is located between the inner wall and the outer wall of the tank body, said heating layer is a hollow cavity, said tank body is heated by introducing a heat source into the heating layer, said rotation axis passes through both ends of the tank body, said hollow rod body has a hollow portion therein, said rotation axis is located in the heating layer and is provided with an air hole, said air hole leads to the hollow portion of the rotation axis, said hollow portion of the rotation axis is communicated with the hollow portion of the connecting rod, the heat source can flow into the rotation axis from the heating layer through the air hole, and the interior of the tank body is heated by the connecting rod and the rotation axis.

4. The reboiler for the production of 1,2 dichloroethylene of claim 3, wherein the scraper is a hollow structure, the end of the triangle far away from the tank body is fixedly connected with the connecting rod, and the hollow structure of the scraper is connected with the hollow part of the connecting rod.

5. The reboiler for 1,2 dichloroethylene production according to claim 1, wherein the tank is a cylinder with a generatrix parallel to the ground, the tank is provided with a feed inlet and a discharge outlet, the feed inlet is located on one side of the tank close to the ground, and the discharge outlet and the feed inlet are in central symmetry with respect to the center point of the tank.