CN206252864U - A kind of multiplex rectifying column - Google Patents

Abstract

The utility model provides a kind of multiplex rectifying column, rectifying column includes tower body, the side wall of tower body is provided with some gas outlets, some gas outlets are vertically distributed, and the outside of tower body is provided with some refluxes, and entrance of each gas outlet with a reflux is connected, stop valve is provided between gas outlet and reflux, the outlet of reflux is connected with the inside of tower body, and the inside of tower body is provided with some cooling devices, and a cooling device is equipped with above each gas outlet.The multiplex rectifying column, sets multiple gas outlets being vertically distributed, it is possible to achieve the separation of the material of different boiling difference by the side wall of tower body, improves the utilization rate of rectifying column, cost-effective, while separative efficiency is up to more than 99.0%.

Description

A kind of multiplex rectifying column

Technical field

The utility model is related to a kind of multiplex rectifying column.

Background technology

Rectifying column because being widely used in the every field of chemical industry with preferable separative efficiency, however, existing skill In art, the rectifying column for designing can only realize the separation of the material of specific boiling point difference, can cause the utilization rate of rectifying column It is not high.Therefore, the separation that a kind of novel distillation tower of exploitation enables the material for realizing various boiling point differences is need to solve at present Problem certainly.

Utility model content

The technical problems to be solved in the utility model is to overcome the rectifying column of the prior art can only to realize specific boiling The separation of the material of point difference, the defect for causing the utilization rate of rectifying column not high, there is provided one kind can realize various boiling point differences Material separation rectifying column.

The utility model is to solve above-mentioned technical problem by following technical proposals：

The utility model provides a kind of multiplex rectifying column, and rectifying column includes tower body, and the side wall of tower body is provided with some gas outlets, Some gas outlets are vertically distributed, and the outside of tower body is provided with some refluxes, and each gas outlet fills with a backflow The entrance put is connected, and stop valve is provided between gas outlet and reflux, and the outlet of reflux is connected with the inside of tower body Logical, the inside of tower body is provided with some cooling devices, and a cooling device is equipped with above each gas outlet.

When the boiling point of material to be separated differs greatly, the cooling above it can be opened using the gas outlet of lower section Device, closes remaining all of stop valve, and light component is distillated through gas outlet, into reflux, is changed into liquid, and a part is returned Stream, remainder extraction.When the boiling point difference of material to be separated is smaller, can be opened thereon using the gas outlet of top The cooling device of side, closes remaining all of stop valve, and light component is distillated through gas outlet, into reflux, is changed into liquid, one Partial reflux, remainder extraction.The side wall of tower body is provided with multiple gas outlets being vertically distributed, it is possible to achieve difference boiling The separation of the material of point difference, improves the utilization rate of rectifying column, cost-effective.

Preferably, exhaust outlet is provided with the top of tower body, exhaust outlet is connected with the entrance of overhead condenser, overhead condenser Outlet be connected with the inside of tower body.When unusual service condition occurs, the steam in rectifying column could not be cooled down and from row well Gas port is discharged, and into overhead condenser, cooling is changed into liquid and enters rectifying column, therefore, the setting of exhaust outlet and overhead condenser Superpressure in rectifying column can be avoided, plays a part of to protect rectifying column.

Preferably, the height of tower body is 31 meters, and the quantity of gas outlet is three, three gas outlets be divided into the first gas outlet, Second gas outlet and the 3rd gas outlet, the first gas outlet are 3 meters with the distance of the bottom of tower body, the bottom of the second gas outlet and tower body The distance in portion is 15 meters, and the 3rd gas outlet is 30 meters with the distance of the bottom of tower body.It is more than 100 for weight component boiling point difference DEG C can through the first gas outlet realize separate；For weight component boiling point difference between 50~100 DEG C, can be through the second outlet Cause for gossip is now separated；50 DEG C are less than for boiling point difference, can realize separating through the 3rd gas outlet.

Preferably, cooling device is coiled pipe cooler, and the two ends of coiled pipe cooler are provided with cooling water inlet and cooling water goes out Mouth, cooling water inlet and coolant outlet extend out to the outside of tower body.The setting of tower body inner coil pipe cooler, can be by light component Gas is tentatively cooled down, and can accurately realize light-component gas from gas outlet discharge below, and then realize more preferable Separating effect.

Preferably, reflux includes the reflux condenser and return duct that are sequentially communicated, reflux condenser and stop valve phase Connection, return duct is connected with the inside of tower body.The setting of reflux condenser and return duct can obtain accurate reflux ratio, real Existing more preferable separating effect.

It is further preferred that return duct is provided with the fluid-tight section of downward bending.The setting of fluid-tight section can avoid light component The effusion of gas, realizes more stable operation.

It is further preferred that fluid-tight section is provided with extraction pipe, extraction pipe is connected with light component collecting tank.Light component is received Collect the collection that the setting of tank can preferably realize light component.

Preferably, the inside of tower body is filled with stainless steel wire mesh.The setting of stainless steel wire mesh, can provide bigger gas Liquid contact area, is conducive to the carrying out of heat and mass, so as to realize more preferable separating effect.

Positive effect of the present utility model is：

The multiplex rectifying column of the utility model, multiple gas outlets being vertically distributed are set by the side wall of tower body, The separation of the material of different boiling difference can be realized, the utilization rate of rectifying column is improved, it is cost-effective, while separative efficiency is reachable More than 99.0%.

Brief description of the drawings

Fig. 1 is the structural representation of the multiplex rectifying column of the utility model.

Drawing reference numeral explanation：

The gas outlet 13 of 10 first gas outlet of tower body, 11 second gas outlet 12 the 3rd

Stop valve 20

Reflux condenser 30

The fluid-tight of return duct 40 section 41

Coiled pipe cooler 50

Overhead condenser 60

Stainless steel wire mesh 70

Extraction pipe 80

Light component collecting tank 90

Specific embodiment

Name preferred embodiment, and become apparent from intactly illustrating the utility model with reference to accompanying drawing.

As shown in figure 1, the utility model provides a kind of multiplex rectifying column, rectifying column includes tower body 10, the side wall of tower body 10 Some gas outlets are provided with, some gas outlets are vertically distributed, the outside of tower body 10 is provided with some refluxes, each outlet Entrance mouthful with a reflux is connected, be provided with stop valve 20 between gas outlet and reflux, and reflux goes out Mouth is connected with the inside of tower body 10, and the inside of tower body 10 is provided with some cooling devices, is equipped with above each gas outlet One cooling device.

When the boiling point of material to be separated differs greatly, the cooling above it can be opened using the gas outlet of lower section Device, closes remaining all of stop valve 20, and light component is distillated through gas outlet, into reflux, is changed into liquid, and a part is returned Stream, remainder extraction.When the boiling point difference of material to be separated is smaller, can be opened thereon using the gas outlet of top The cooling device of side, closes remaining all of stop valve 20, and light component is distillated through gas outlet, into reflux, is changed into liquid, Part backflow, remainder extraction.The side wall of tower body 10 is provided with multiple gas outlets being vertically distributed, it is possible to achieve no With the separation of the material of boiling point difference, the utilization rate of rectifying column is improved, it is cost-effective.

The top of tower body 10 is additionally provided with exhaust outlet, and exhaust outlet is connected with the entrance of overhead condenser 60, overhead condenser 60 outlet is connected with the inside of tower body 10.When unusual service condition occurs, the steam in rectifying column could not cool down well and From exhaust outlet discharge, into overhead condenser 60, cooling is changed into liquid and enters rectifying column, therefore, exhaust outlet and overhead condenser 60 setting can avoid superpressure in rectifying column, play a part of to protect rectifying column.

The height of tower body 10 is 31 meters, and the quantity of gas outlet is three, and three gas outlets are divided into the first gas outlet 11, second The gas outlet 13 of gas outlet 12 and the 3rd, the first gas outlet 11 is 3 meters with the distance of the bottom of tower body 10, the second gas outlet 12 and tower The distance of the bottom of body 10 is 15 meters, and the 3rd gas outlet 13 is 30 meters with the distance of the bottom of tower body 10.Boiled for weight component Point difference can be realized separating more than 100 DEG C through the first gas outlet 11；For weight component boiling point difference 50~100 DEG C it Between, can realize separating through the second gas outlet 12；50 DEG C are less than for boiling point difference, can realize dividing through the 3rd gas outlet 13 From.

Cooling device is coiled pipe cooler 50, and the two ends of coiled pipe cooler 50 are provided with cooling water inlet and coolant outlet, Cooling water inlet and coolant outlet extend out to the outside of tower body 10.The setting of the inner coil pipe cooler 50 of tower body 10, can gently Component gas are tentatively cooled down, and can accurately realize light-component gas from gas outlet discharge below, and then realize more Good separating effect.

Reflux includes the reflux condenser 30 and return duct 40 that are sequentially communicated, reflux condenser 30 and the phase of stop valve 20 Connection, return duct 40 is connected with the inside of tower body 10.The setting of reflux condenser 30 and return duct 40 can be obtained accurately Reflux ratio, realizes more preferable separating effect.

Return duct 40 is provided with the fluid-tight section 41 of downward bending.The setting of fluid-tight section 41 can avoid the ease of light-component gas Go out, realize more stable operation.

Fluid-tight section 41 is provided with extraction pipe 80, and extraction pipe 80 is connected with light component collecting tank 90.Light component collecting tank 90 Setting can preferably realize the collection of light component.

The inside of tower body 10 is filled with stainless steel wire mesh 70.The setting of stainless steel wire mesh 70, can provide bigger gas Liquid contact area, is conducive to the carrying out of heat and mass, so as to realize more preferable separating effect.

In sum, the multiplex rectifying column of the utility model, is vertically distributed by setting multiple in the side wall of tower body Gas outlet, it is possible to achieve the separation of the material of different boiling difference, improve rectifying column utilization rate, cost-effective, the same to time-division From efficiency up to more than 99.0%.

The utility model is not limited to above-mentioned implementation method, no matter making any change in its shape or structure, all falls within Within protection domain of the present utility model.Protection domain of the present utility model is defined by the appended claims, this area Technical staff on the premise of without departing substantially from principle of the present utility model and essence, various changes can be made to these implementation methods More or modification, but these change and modification each fall within protection domain of the present utility model.

Claims (8)

1. a kind of multiplex rectifying column, the multiplex rectifying column includes tower body, it is characterised in that：The side wall of the tower body is provided with some Gas outlet, some gas outlets are vertically distributed, and the outside of the tower body is provided with some refluxes, go out described in each Entrance of the gas port with a reflux is connected, and stop valve is provided between the gas outlet and the reflux, The outlet of the reflux is connected with the inside of the tower body, and the inside of the tower body is provided with some cooling devices, each A cooling device is equipped with above the individual gas outlet.

2. multiplex rectifying column as claimed in claim 1, it is characterised in that：Exhaust outlet, the row are provided with the top of the tower body Gas port is connected with the entrance of overhead condenser, and the outlet of the overhead condenser is connected with the inside of the tower body.

3. multiplex rectifying column as claimed in claim 1, it is characterised in that：The height of the tower body is 31 meters, the gas outlet Quantity be three, three gas outlets are divided into the first gas outlet, the second gas outlet and the 3rd gas outlet, first outlet Mouth is 3 meters with the distance of the bottom of the tower body, and second gas outlet is 15 meters with the distance of the bottom of the tower body, described 3rd gas outlet is 30 meters with the distance of the bottom of the tower body.

4. multiplex rectifying column as claimed in claim 1, it is characterised in that：The cooling device is coiled pipe cooler, the disk The two ends of pipe cooler are provided with cooling water inlet and coolant outlet, and the cooling water inlet and coolant outlet extend out to described The outside of tower body.

5. multiplex rectifying column as claimed in claim 1, it is characterised in that：The reflux includes the returned cold being sequentially communicated Condenser and return duct, the reflux condenser are connected with the stop valve, and the return duct is connected with the inside of the tower body It is logical.

6. multiplex rectifying column as claimed in claim 5, it is characterised in that：The return duct is provided with the fluid-tight of downward bending Section.

7. multiplex rectifying column as claimed in claim 6, it is characterised in that：The fluid-tight section is provided with extraction pipe, the extraction Pipe is connected with light component collecting tank.

8. multiplex rectifying column as claimed in claim 1, it is characterised in that：The inside of the tower body is filled with stainless steel wire mesh.