CN202446840U

CN202446840U - Bunched rectifying device

Info

Publication number: CN202446840U
Application number: CN201220032927XU
Authority: CN
Inventors: 徐德荣; 杨建鹏
Original assignee: CHANGZHOU CHINASEPU FINE CHEMICAL PRODUCT Co Ltd SCIENCE TECHNOLOGY RESEARCH INSTITUTE
Current assignee: CHANGZHOU CHINASEPU FINE CHEMICAL PRODUCT Co Ltd SCIENCE TECHNOLOGY RESEARCH INSTITUTE
Priority date: 2012-02-02
Filing date: 2012-02-02
Publication date: 2012-09-26
Anticipated expiration: 2022-02-02

Abstract

The utility model discloses a bunched rectifying device, which comprises a tower kettle, a plurality of rectifying heads, a plurality of collection measuring tanks and a second pipeline, wherein the tower kettle is provided with a feed inlet, a gaseous phase discharge hole and a defective material opening, wherein the gaseous phase discharge hole of the tower kettle is communicated in parallel with a plurality of small-bore bunched rectifying towers by a bunched rectifying disc distribution table; the other end of each bunched rectifying tower is communicated with the rectifying heads; condensers are arranged on the rectifying heads; gas outlets of the rectifying heads are communicated with a first pipeline which is communicated with a vacuum system; gas outlets of the collection measuring tanks are communicated with the first pipeline respectively; liquid inlets of the collection measuring tanks are converged to the second pipeline; each rectifying head is provided with a reflux pipe which is communicated with the top of the rectifying head; and the reflux pipe is communicated with the second pipeline; multi-reflux synchronous distribution controllers for controlling reflux ratios are also arranged on the rectifying heads; rectifying tower heat-insulating layers are arranged outside the bunched rectifying towers; and rectifying tower filling layers are arranged in the middles of the bunched rectifying towers. The bunched rectifying device can reduce the heights of the towers and reduce the production cost, and has the characteristic of low energy consumption.

Description

The boundling rectifier unit

Technical field

The utility model relates to a cover distillation system equipment, specifically, relates to a kind of boundling rectifier unit, can be used for the organic chemical industry, is used for solvent recovery in purification or the production process of fine chemistry industry product.

Background technology

At present, the rectifying column rectifier unit that traditional rectifying is produced is the single tower process flow process of multi-section serial rectifying; Its tower diameter strengthens with the increase of tower still disengagement area, and after tower diameter was big, gas phase and liquid phase exchange situation just worse and worse in the tower; So in tower joint junction, the design redistributor is to improve gas phase and liquid phase exchange situation; However; Still there is big gap in lab scale with amplify producing, and the separating effect that often tower height of one meter of lab scale is obtained in the laboratory is amplified to commercial production and wants ten meters tower height to deal with problems, and cost of investment is high.

Summary of the invention

The purpose of the utility model is the defective that overcomes prior art, provides a kind of and can reduce tower height, reduces production costs, the boundling rectifier unit of low energy consumption.

The technical scheme that realizes the utility model purpose is: a kind of boundling rectifier unit, and it comprises tower still, some rectifying heads and some collection measuring tanks, the tower still is provided with charging aperture, gas phase discharging opening and defective material mouth; Also comprise second pipeline; The gas phase discharging opening of tower still is communicated with some small-bore boundling rectifying columns through the parallel connection of boundling rectifying disk dispense station, and the other end of each boundling rectifying column is communicated with the rectifying head respectively, and the rectifying head is provided with condenser; The gas outlet of rectifying head is communicated with first pipeline that is communicated with a vacuum system; The gas outlet of collecting measuring tank is communicated with described first pipeline respectively, and the inlet of collecting measuring tank is pooled to second pipeline, is provided with the return duct that is communicated with the rectifying head on each rectifying head; This return duct is communicated with second pipeline respectively; Also be provided with the synchronous dispensing controller of many backflows of control reflux ratio on the rectifying head, the outer setting of boundling rectifying column has the rectifying column heat-insulation layer, and the middle part is provided with the rectifying column packing layer.

Further, described tower still is provided with agitator, and this agitator stirs buncher by one and drives.

Further, the bottom of described rectifying head is provided with the tower top temperature measurement mechanism.

Further, described rectifying head and and its nearest collection measuring tank between second pipeline be provided with the vacuum sampler interface.

Further, collect on the measuring tank and also be provided with liquid outlet, this liquid outlet through one the 3rd pipe influx together.

After having adopted technique scheme, the utility model is owing to adopted small-bore boundling rectifying column to be communicated with the structure at the gas phase discharging opening of tower still through the parallel connection of boundling rectifying disk dispense station, and this structure has kept the certain proportion of tower still disengagement area and internal diameter; And reduced tower height and factory building height, the especially height of rectifying column framework, and make that the lifting height of gas phase has obtained great decline in the device; Thereby reduced energy consumption; The condenser that is provided with on each rectifying head has replaced the large tracts of land condenser in the traditional mode of production, makes condensation effect better; The boundling rectifying disk dispense station that the utility model adopted; Guaranteed that air-flow rises uniformly, and required uniformity, the filler of boundling rectifying column processing geometry to fill the homogeny of mode and quantity simultaneously, outward appearance is better appearance also.

Description of drawings

Fig. 1 is the structural representation of the boundling rectifier unit of the utility model.

The specific embodiment

For the content that makes the utility model is expressly understood more easily, below according to specific embodiment and combine accompanying drawing, the utility model is done further detailed explanation,

As shown in Figure 1; A kind of boundling rectifier unit, it comprises tower still 1, some rectifying 2 and some collection measuring tanks 3, tower still 1 is provided with charging aperture 1-2, gas phase discharging opening 1-3 and defective material mouth 1-4; Also comprise second pipeline 10; The gas phase discharging opening 1-3 of tower still 1 is communicated with some small-bore boundling rectifying columns 5 through 4 parallel connections of boundling rectifying disk dispense station, and the other end of each boundling rectifying column 5 is communicated with rectifying 2 respectively, and rectifying 2 is provided with condenser 6; The gas outlet of rectifying 2 is communicated with first pipeline 7 that is communicated with a vacuum system; The gas outlet 3-1 that collects measuring tank 3 is communicated with described first pipeline 7 respectively, and the inlet 3-2 that collects measuring tank 3 is pooled to second pipeline 10, is provided with the return duct 2-1 at connection rectifying 2 top in each rectifying 2; This return duct 2-1 is communicated with second pipeline 10 respectively; Also be provided with the synchronous dispensing controller 8 of many backflows of control reflux ratio in the rectifying 2, the outer setting of boundling rectifying column 5 has rectifying column heat-insulation layer 5-1, and the middle part is provided with rectifying column packing layer 5-2.Described tower still 1 is provided with agitator 1-1, and this agitator 1-1 stirs buncher 1-1-1 by one and drives (also can be without agitator for lower boiling material).The bottom of described rectifying 2 is provided with temperature measuring equipment 9.Described rectifying 2 and and its nearest collection measuring tank 3 between second pipeline 10 be provided with vacuum sampler interface 11.Also be provided with liquid outlet 3-3 on the described collection measuring tank 3, this liquid outlet 3-3 collects in main emptying house steward through one the 3rd pipeline 3-3-1.

In rectifying 2, by the control of many backflows electromagnetic distribution device boundling, carry out the backflow ratio of 1:99/99:1 synchronously and regulate through the liquid phase material of condenser 6 condensations.

The operation principle of the utility model is following:

(N is the

natural number

2,3,4,5,6,7,8 except that 0 and 1 to have adopted N ...) small-bore boundling rectifying column parallel system, this parallel system is realized by the boundling rectifying disk dispense station 4 between tower still 1 and N the boundling rectifying column 5.

Adopted N small-bore boundling rectifying column 5 and connect the rectifying column sectional area of dispersion heavy caliber list tower serial flow, correspondingly on small-bore tower simultaneously respectively be equipped with a N little boundling rectifying condenser and come minute condensation area of the employed single large tracts of land condenser of throwaway tower tandem process.

Gas phase rises in each boundling rectifying column 5 through boundling rectifying disk dispense station 4; Toward rising,, carry out mass transfer and separation process along rectifying column packing layer 5-2 with the phegma counter current contacting; The gas phase that rises gets into condenser 6 in the rectifying 2 and carries out condensation and become liquid phase; Obtain the liquid phase of condensation, after many backflows dispensing controller 8 distribution rear sections flow into second pipeline 10, flow into and collect in the measuring tank 3; Another part turns back in the boundling rectifying column 5 as phegma, proceeds the gas, liquid exchange.Tower top temperature measurement mechanism 9 can be monitored the temperature of each boundling rectifying column 5.

The utility model is owing to adopted small-bore boundling rectifying column 5 to be communicated with the structure at the gas phase discharging opening 1-3 of tower still 1 through 4 parallel connections of boundling rectifying disk dispense station; This structure has kept the certain proportion of tower still 1 disengagement area and internal diameter, and has reduced tower height and factory building height, especially the height of rectifying column framework; And make that the lifting height of gas phase has obtained great decline in the device; Thereby reduced energy consumption, the condenser 6 that is provided with in each rectifying 2 has replaced the large tracts of land condenser in the traditional mode of production; Make condensation effect better; The boundling rectifying disk dispense station 4 that the utility model adopted has guaranteed that air-flow rises uniformly, and the uniformity, the filler that have required the boundling rectifying column to process geometry simultaneously fill the homogeny of mode and quantity.

Above-described specific embodiment; Purpose, technical scheme and beneficial effect to the utility model have carried out further explain, it should be understood that the above is merely the specific embodiment of the utility model; Be not limited to the utility model; All within the spirit and principle of the utility model, any modification of being made, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.

Claims

1. boundling rectifier unit; It comprises tower still (1), some rectifying heads (2) and some collection measuring tanks (3); Tower still (1) is provided with charging aperture (1-2), gas phase discharging opening (1-3) and defective material mouth (1-4); It is characterized in that: also comprise second pipeline (10); The gas phase discharging opening (1-3) of tower still (1) is communicated with some small-bore boundling rectifying columns (5) through boundling rectifying disk dispense station (4) parallel connection, and the other end of each boundling rectifying column (5) is communicated with rectifying head (2) respectively, and rectifying head (2) is provided with condenser (6); The gas outlet of rectifying head (2) is communicated with first pipeline (7) that is communicated with a vacuum system; The gas outlet (3-1) of collecting measuring tank (3) is communicated with described first pipeline (7) respectively, and the inlet (3-2) of collecting measuring tank (3) is pooled to second pipeline (10), is provided with the return duct (2-1) that is communicated with rectifying head (2) top on each rectifying head (2); This return duct (2-1) is communicated with second pipeline (10) respectively; Also be provided with the synchronous dispensing controller of many backflows (8) of control reflux ratio on the rectifying head (2), the outer setting of boundling rectifying column (5) has rectifying column heat-insulation layer (5-1), and the middle part is provided with rectifying column packing layer (5-2).

2. boundling rectifier unit according to claim 1 is characterized in that: described tower still (1) is provided with agitator (1-1), and this agitator (1-1) stirs buncher (1-1-1) by one and drives.

3. boundling rectifier unit according to claim 1 is characterized in that: the bottom of described rectifying head (2) is provided with tower top temperature measurement mechanism (9).

4. boundling rectifier unit according to claim 1 is characterized in that: described rectifying head (2) and and its nearest collection measuring tank (3) between second pipeline (10) be provided with vacuum sampler interface (11).

5. boundling rectifier unit according to claim 1 is characterized in that: also be provided with liquid outlet (3-3) on the described collection measuring tank (3), this liquid outlet (3-3) pools together through one the 3rd pipeline (3-3-1).