CN109999524A - A kind of chlorobenzene precipitation tower - Google Patents
A kind of chlorobenzene precipitation tower Download PDFInfo
- Publication number
- CN109999524A CN109999524A CN201910109513.9A CN201910109513A CN109999524A CN 109999524 A CN109999524 A CN 109999524A CN 201910109513 A CN201910109513 A CN 201910109513A CN 109999524 A CN109999524 A CN 109999524A
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- Prior art keywords
- tower
- liquid phase
- main
- steam
- chlorobenzene
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/32—Other features of fractionating columns ; Constructional details of fractionating columns not provided for in groups B01D3/16 - B01D3/30
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/42—Regulation; Control
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention discloses a kind of chlorobenzene precipitation towers, it is related to chlorobenzene desolventizing equipment technical field, including autoclave body unit and tower body unit, the lower part of autoclave body unit main still body is equipped with collet, and the top of main still body is equipped with multiple steam inlets, and steam inlet is connect with jet chimney, the steam (vapor) outlet of jet chimney is located in same level, steam (vapor) outlet is uniformly distributed inside main still body, and the top of main still body is additionally provided with liquid phase temperature-measuring port, spare mouth and observation panel, and the top of main still body is equipped with tower body interface；The bottom of tower body unit main tower is equipped with autoclave body interface, and autoclave body interface is equipped with support plate, and the top of main tower is equipped with liquid phase distributor, and filler is equipped with inside main tower, and the top position that liquid phase distributor is located on main tower is equipped with tower cap, and tower cap lower part is equipped with feed opening.The present invention feature lower using chlorobenzene azeotrope with water point, enters material through tower upper inlet and contacts with the gas phase risen in tower, realize the continuous-stable of entire distillation process.
Description
Technical field
The present invention relates to chlorobenzene exsolution apparatus technical field, in particular to a kind of chlorobenzene precipitation tower.
Background technique
Chemical production process often needs to use chlorobenzene as solvent, currently used chlorobenzene precipitation technique using
Formula of having a rest still distillation, capital equipment are distillation still.Batch distillation kettle application process is primarily present following deficiency at present:
1, distillation still cannot achieve complete steady and continuous metaplasia and produce control, be unfavorable for automation control；
2, steam is only once balanced each other with the material containing solvent, is unfavorable for establishing ideal vapour-liquid equilibrium, cannot be effective
Using thermal energy, steam consumption is big, and energy consumption is higher；
3, the precipitation time is long, temperature fluctuation is big, and initial temperature is low, and latter temperature is high, increases energy consumption, steam loss amount
Greatly, and organic materials is easy denaturation, influences the stability of product；
4, material contact area is big when still distillation starts to distill, and the later period is reduced with solvent, and material contact area reduces, efficiency
It is low；
5, equipment volume is big, occupied space is more, cost is high, utilization rate of equipment and installations is low etc..
Summary of the invention
According to technological deficiency existing in the prior art, the technical problems to be solved by the present invention are: providing a kind of chlorobenzene
Precipitation tower makes material through tower upper inlet in conjunction with the characteristic of chlorobenzene azeotrope with water using the lower feature of chlorobenzene azeotrope with water point
It is contacted into the gas phase risen in tower, controls top gaseous phase temperature by control tower bottom steam flow to realize entire distillation
The continuous-stable of process is saved steam consumption, is improved efficiency, and realizes continuous and automation control；Processing temperature is reduced simultaneously,
It effectively prevent heat sensitive material to occur to be denaturalized phenomenon under the conditions of long term high temperature, guarantees stable product quality.
In order to realize technical purpose of the invention, a kind of technical solution of chlorobenzene precipitation tower of the present invention is:
A kind of chlorobenzene precipitation tower, including autoclave body unit and tower body unit,
The autoclave body unit includes main still body, and the bottom of the main still body is equipped with drain hole, and the lower part of the main still body is equipped with folder
Set, the side of the collet are equipped with heating steam inlet, and the bottom of the collet is equipped with condensation close to the position of the drain hole
The top of water out, the main still body is equipped with multiple steam inlets, and the steam inlet is connect with jet chimney, the steam pipe
Road is located at the inside of the main still body, and the steam (vapor) outlet of the jet chimney is located in same level, and the steam (vapor) outlet exists
The inside of the main still body is uniformly distributed, and the top of the main still body is additionally provided with liquid phase temperature-measuring port and spare mouth, and the liquid phase is surveyed
Warm mouth and the spare mouth and the steam (vapor) outlet are located in same level, and the top of the main still body is equipped with tower body interface,
The top of the main still body is equipped with observation panel close to the position of the tower body interface, and the observation panel is at least provided with 2；
The tower body unit includes main tower, and the bottom of the main tower is equipped with autoclave body interface, the autoclave body interface and the tower
The connection of body interface, the autoclave body interface are equipped with support plate, are evenly arranged with several through-holes, the through-hole in the support plate
Assume diamond in shape arrangement, and the top of the main tower is equipped with liquid phase distributor, is uniformly provided with multiple steam holes on the liquid phase distributor
With several liquid phase dispensing orifices, the liquid phase dispensing orifice includes the liquid phase entrance and liquid-phase outlet of connection, and the liquid phase entrance is
Cylinder, the liquid-phase outlet are infundibulate, and the diameter of the liquid phase entrance is greater than the diameter of the liquid-phase outlet, the king-tower
It is equipped with the second observation panel positioned at the lower position of the liquid phase distributor on body, is equipped with filler, the master inside the main tower
It is equipped with tower cap positioned at the top position of the liquid phase distributor on tower body, tower cap lower part is equipped with feed opening, the feed opening
It is connect with charge pipe, the charge pipe is located at the inside of the tower cap, and the discharge port of the charge pipe is located at liquid phase distribution
The top of device, is equipped with the first observation panel close to the position of the discharge port on the tower cap, and the top of the tower cap is equipped with gas phase
Temperature-measuring port, the top of the tower cap are equipped with gaseous phase outlet, and the lower section of the gaseous phase outlet is equipped with demister.
As a further improvement of the present invention, the steam inlet is at least provided with 4.
As a further improvement of the present invention, the support plate is tetrafluoro support plate.
As a further improvement of the present invention, the liquid phase distributor is tetrafluoro distributor.
As a further improvement of the present invention, the filler is tetrafluoro Pall ring filler.
Compared with prior art, the beneficial effects of the present invention are:
A kind of chlorobenzene precipitation tower of the present invention, in conjunction with the characteristic of chlorobenzene azeotrope with water, using the lower feature of chlorobenzene azeotrope with water point,
Enter material through the feed opening on main tower upper column cap, enters in main tower through liquid phase distributor and rise with inside main tower
Gas phase contact, the gas phase temperature of tower top is controlled by controlling the intracorporal steam flow of main still of main tower lower part, to realize
The continuous-stable of entire distillation process；By detecting the moisture of drain hole material, the charging of control material and straight-through steam are adjusted
Ratio, realize low energy consumption under remove solvent purpose；Relevant temperature is measured by the liquid phase temperature-measuring port of main still body, to control master
Steam intake in autoclave body collet realizes the stabilization gradient of material in tower；Under identical evaporation capacity, the occupation area of equipment is much
Less than autoclave desolventizing equipment, while the thermal efficiency greatly improves, and steam saving can be 40% or so；And equipment cost is low, operation dimension
Shield is convenient.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of chlorobenzene precipitation tower of the present invention；
Fig. 2 is the concrete structure schematic diagram of autoclave body unit in Fig. 1；
Fig. 3 is the A of Fig. 2 to diagram；
Fig. 4 is the concrete structure schematic diagram of tower body unit in Fig. 1；
Fig. 5 is the concrete structure schematic diagram of liquid phase distributor in Fig. 4；
Fig. 6 is the concrete structure schematic diagram of liquid phase dispensing orifice in Fig. 5；
Fig. 7 is the concrete structure schematic diagram of support plate in Fig. 4；
In figure: 1- main still body, 2- collet, 3- heating steam inlet, 4- condensation-water drain, 5- drain hole, 6- tower body interface, 7- steam
Vapour entrance, 71- steam (vapor) outlet, 8- observation panel, 9- liquid phase temperature-measuring port, the spare mouth of 10-, 11- main tower, 12- tower cap, 13- support
Plate, 14- liquid phase distributor, 15- feed opening, 16- gas phase temperature-measuring port, 17- gaseous phase outlet, 18- demister, the first observation panel of 19-,
The second observation panel of 20-, 21- filler, 22- charge pipe, 23- steam hole, 24- liquid phase dispensing orifice, 25- liquid phase entrance, 26- liquid phase go out
Mouth, 27- through-hole, 28- autoclave body interface.
Specific embodiment
The technical solution of the present invention is further explained with reference to the accompanying drawing.
With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, a kind of chlorobenzene precipitation tower of the present invention, including autoclave body unit and tower
Body unit,
Autoclave body unit includes main still body 1, and the bottom of main still body 1 is equipped with drain hole 5, and the lower part of main still body 1 is equipped with collet 2, collet 2
Side be equipped with heating steam inlet 3, the bottom of collet 2 is equipped with condensation-water drain 4 close to the position of drain hole 5, main still body 1
Top is equipped with multiple steam inlets 7, and steam inlet 7 is connect with jet chimney, and jet chimney is located at the inside of main still body 1, steam
The steam (vapor) outlet 71 of pipeline is located in same level, and steam (vapor) outlet 71 is uniformly distributed in the inside of main still body 1, main still body 1
Top is additionally provided with liquid phase temperature-measuring port 9 and spare mouth 10, and liquid phase temperature-measuring port 9 and spare mouth 10 and steam (vapor) outlet 71 are located at same level
On face, the top of main still body 1 is equipped with tower body interface 6, and the top of main still body 1 is equipped with observation panel 8 close to the position of tower body interface 6,
Observation panel 8 is at least provided with 2；
Tower body unit includes main tower 11, and the bottom of main tower 11 is equipped with autoclave body interface 28, and autoclave body interface 28 and tower body interface 6 connect
It connects, support plate 13 is equipped at autoclave body interface 28, is evenly arranged with several through-holes 27,27 row of assuming diamond in shape of through-hole in support plate 13
Cloth, the top of main tower 11 are equipped with liquid phase distributor 14, are uniformly provided with multiple steam holes 23 and several on liquid phase distributor 14
Liquid phase dispensing orifice 24, liquid phase dispensing orifice 24 include the liquid phase entrance 25 and liquid-phase outlet 26 of connection, and liquid phase entrance 25 is cylinder,
Liquid-phase outlet 26 is infundibulate, and the diameter of liquid phase entrance 25 is greater than the diameter of liquid-phase outlet 26, divides on main tower 11 positioned at liquid phase
The lower position of cloth device 14 is equipped with the second observation panel 20, and filler 21 is equipped with inside main tower 11, is divided on main tower 11 positioned at liquid phase
The top position of cloth device 14 is equipped with tower cap 12, and 12 lower part of tower cap is equipped with feed opening 15, and feed opening 15 is connect with charge pipe 22, feeds
Pipe 22 is located at the inside of tower cap 12, and the discharge port of charge pipe 22 is located at the top of liquid phase distributor 14, close discharging on tower cap 12
The position of mouth is equipped with the first observation panel 19, and the top of tower cap 12 is equipped with gas phase temperature-measuring port 16, and the top of tower cap 12 goes out equipped with gas phase
The lower section of mouth 17, gaseous phase outlet 17 is equipped with demister 18.
Steam inlet 7 is at least provided with 4.
Support plate 13 is tetrafluoro support plate.
Liquid phase distributor 14 is tetrafluoro distributor.
Filler 21 is tetrafluoro Pall ring filler.
A kind of chlorobenzene precipitation tower of the present invention, it is lower using chlorobenzene azeotrope with water point in conjunction with the characteristic of chlorobenzene azeotrope with water
Feature enters material through the feed opening on main tower upper column cap, enters in main tower and in main tower through liquid phase distributor
The gas phase contact that portion rises, controls the gas phase temperature of tower top by controlling the intracorporal steam flow of main still of main tower lower part,
To realize the continuous-stable of entire distillation process；By detecting the moisture of drain hole material, adjust the charging of control material with it is straight
The ratio of logical steam realizes the purpose that solvent is removed under low energy consumption；Relevant temperature is measured by the liquid phase temperature-measuring port of main still body, with
The steam intake in main still body collet is controlled, realizes the stabilization gradient of material in tower；Under identical evaporation capacity, which takes up an area face
Product is far smaller than autoclave desolventizing equipment, while the thermal efficiency greatly improves, and steam saving can be 40% or so；And equipment cost is low,
Operation and maintenance are convenient.
The above is only preferable embodiment of the invention, is not intended to limit the present invention in any form, Ren Hewei
It is detached from technical solution of the present invention content, according to the technical essence of the invention to any simple modification, transformation made by above example
Material equivalent variations and modification, all of which are still within the scope of the technical scheme of the invention.
Claims (5)
1. a kind of chlorobenzene precipitation tower, including autoclave body unit and tower body unit, it is characterised in that:
The autoclave body unit includes main still body, and the bottom of the main still body is equipped with drain hole, and the lower part of the main still body is equipped with folder
Set, the side of the collet are equipped with heating steam inlet, and the bottom of the collet is equipped with condensation close to the position of the drain hole
The top of water out, the main still body is equipped with multiple steam inlets, and the steam inlet is connect with jet chimney, the steam pipe
Road is located at the inside of the main still body, and the steam (vapor) outlet of the jet chimney is located in same level, and the steam (vapor) outlet exists
The inside of the main still body is uniformly distributed, and the top of the main still body is additionally provided with liquid phase temperature-measuring port and spare mouth, and the liquid phase is surveyed
Warm mouth and the spare mouth and the steam (vapor) outlet are located in same level, and the top of the main still body is equipped with tower body interface,
The top of the main still body is equipped with observation panel close to the position of the tower body interface, and the observation panel is at least provided with 2；
The tower body unit includes main tower, and the bottom of the main tower is equipped with autoclave body interface, the autoclave body interface and the tower
The connection of body interface, the autoclave body interface are equipped with support plate, are evenly arranged with several through-holes, the through-hole in the support plate
Assume diamond in shape arrangement, and the top of the main tower is equipped with liquid phase distributor, is uniformly provided with multiple steam holes on the liquid phase distributor
With several liquid phase dispensing orifices, the liquid phase dispensing orifice includes the liquid phase entrance and liquid-phase outlet of connection, and the liquid phase entrance is
Cylinder, the liquid-phase outlet are infundibulate, and the diameter of the liquid phase entrance is greater than the diameter of the liquid-phase outlet, the king-tower
It is equipped with the second observation panel positioned at the lower position of the liquid phase distributor on body, is equipped with filler, the master inside the main tower
It is equipped with tower cap positioned at the top position of the liquid phase distributor on tower body, tower cap lower part is equipped with feed opening, the feed opening
It is connect with charge pipe, the charge pipe is located at the inside of the tower cap, and the discharge port of the charge pipe is located at liquid phase distribution
The top of device, is equipped with the first observation panel close to the position of the discharge port on the tower cap, and the top of the tower cap is equipped with gas phase
Temperature-measuring port, the top of the tower cap are equipped with gaseous phase outlet, and the lower section of the gaseous phase outlet is equipped with demister.
2. a kind of chlorobenzene precipitation tower according to claim 1, it is characterised in that: the steam inlet is at least provided with 4.
3. a kind of chlorobenzene precipitation tower according to claim 2, it is characterised in that: the support plate is tetrafluoro support plate.
4. a kind of chlorobenzene precipitation tower according to claim 3, it is characterised in that: the liquid phase distributor is tetrafluoro distribution
Device.
5. a kind of chlorobenzene precipitation tower according to claim 4, it is characterised in that: the filler is tetrafluoro Pall ring filler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910109513.9A CN109999524A (en) | 2019-02-11 | 2019-02-11 | A kind of chlorobenzene precipitation tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910109513.9A CN109999524A (en) | 2019-02-11 | 2019-02-11 | A kind of chlorobenzene precipitation tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109999524A true CN109999524A (en) | 2019-07-12 |
Family
ID=67165706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910109513.9A Withdrawn CN109999524A (en) | 2019-02-11 | 2019-02-11 | A kind of chlorobenzene precipitation tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109999524A (en) |
-
2019
- 2019-02-11 CN CN201910109513.9A patent/CN109999524A/en not_active Withdrawn
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190712 |
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| WW01 | Invention patent application withdrawn after publication |