CN205461126U - Continuous extraction water washing device of aqueous phase reaction liquid - Google Patents
Continuous extraction water washing device of aqueous phase reaction liquid Download PDFInfo
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- CN205461126U CN205461126U CN201620205780.8U CN201620205780U CN205461126U CN 205461126 U CN205461126 U CN 205461126U CN 201620205780 U CN201620205780 U CN 201620205780U CN 205461126 U CN205461126 U CN 205461126U
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Abstract
The utility model discloses a continuous extraction water washing device of aqueous phase reaction liquid, including extraction tower (5) and water wash column (10), there is light organic solvent feed inlet (2) the extraction tower bottom, and it has wastewater outlet (3) to enlarge at the bottom of the tower under the section, and there is aqueous phase reaction liquid feed inlet (1) at the extraction tower top, and the extraction tower top of the tower enlargies the section middle part has light organic extraction liquid discharge gate (4), (the section is enlargied to the bottom has waste water discharge gate (8) to the water wash column, and the water wash column top of the tower enlargies the section has pure water feed inlet (7) and light to wash liquid discharge gate (9) organically, its characteristic is: high ratio that the extraction tower top of the tower amplifies section and tower segment is 2~4 times of prior art, and the extraction tower top of the tower amplifies the section bottom and is equipped with differential pressure type level gauge, enlarged section looks UNICOM of extraction tower top of the tower organic extraction liquid discharge gate and water wash column bottom, the enlarged section top of extraction tower top of the tower is higher than the enlarged section top of water wash column top of the tower during the installation. The device process flow is short, the equipment less investment, and production efficiency is high.
Description
Technical field
This utility model relates to the extraction water cleaning device of organic product in aqueous phase reactions liquid.
Background technology
In organic synthesis, water is conventional reaction medium.In aqueous phase reactions, final in order to obtain
Organic reaction product, common operation is after the completion of reaction, extracts aqueous phase with organic solvent, water
Casting out mutually, the impurity that organic extract liquid is entrained in organic facies with removing with pure water again, water washed has
Machine finally gives product through distillation mutually again.During post processing reactant liquor, generally with density less than water
Organic solvent i.e. light organic solvent extracts, conventional light organic solvent such as: ethyl acetate, ether,
Petroleum ether, methyl tertiary butyl ether(MTBE), benzene,toluene,xylene or hexamethylene etc..
Conventional extraction water-washing process has two ways, one to be autoclave extraction washings, is batch (-type) process side
Method, has the feature of highly versatile, but batch (-type) has the shortcoming that production efficiency is low；Another kind is continuously extraction
Water intaking is washed, and conventional extraction washing equipment is mainly extraction tower and water scrubber, and general technology process is: aqueous phase
Reactant liquor enters extraction tower top by flow measurement, and light organic solvent is flowed into from bottom by flow measurement,
Biphase complete extraction process at extraction tower, extraction wastewater by flowing out from the bottom of tower after amplifying section standing sedimentation at the bottom of tower,
The rate of outflow is controlled by organic at the bottom of tower and aqueous phase interface value, and it is heavy that overhead light organic facies amplifies section standing at tower top
During after fall, overflow enters extract storage tank, the extract in storage tank pumps into bottom water scrubber by flow measurement again,
Pure water is flowed into from tower top by flow measurement, biphase completes water-washing process in water scrubber, and washing waste water passes through
Flowing out from the bottom of tower after amplifying section standing sedimentation at the bottom of tower, the rate of outflow is controlled by tower top organic facies and aqueous phase interface value,
The overflow after tower top amplifies section standing sedimentation of overhead light organic facies enters in water lotion storage tank, thus completes whole
Extraction water-washing process.This device long flow path, need in the middle of extract storage tank, washing organic facies charging need pump,
Pneumatic operated valve and effusion meter.In addition it is also possible to use a tower to complete to extract water-washing process, reactant liquor is from tower
Portion flows into, and light organic solvent flows into from bottom, and pure water flows into from top, and tower lower half is extraction section, on
Half portion is washing section, and this technique water washing effect is bad, the water washing effect that the water reactant liquor that impurity is few to have reached
Need to be realized by the length fully strengthening washing section, impure many reactant liquors, this device is inapplicable.
Summary of the invention
The technical problems to be solved in the utility model is to provide the continuous extraction water washing device of a kind of aqueous phase reactions liquid.
This device technique flow process is short, and equipment investment is few, and production efficiency is high.
The technical solution of the utility model is: the continuous extraction water washing device of a kind of aqueous phase reactions liquid, including extraction
Tower 5 and water scrubber 10, have light organic solvent charging aperture 2 bottom extraction tower 5, amplifies section at the bottom of extraction tower tower
Under have wastewater outlet 3, extraction tower 5 top to have an aqueous phase reactions liquid charging aperture 1, extraction tower tower top amplifies in the middle part of section
There is lightweight organic extract liquid discharging opening 4；Amplify section bottom water scrubber 10 and have waste water discharging opening 8, water scrubber tower
Section is amplified on top pure water feed mouth 7 and lightweight organic water washing liquid discharging opening 9；Its characteristic is: extraction tower tower top is put
The aspect ratio of big section and tower section is 2～4 times of prior art, and extraction tower tower top amplifies bottom section equipped with differential pressure type
Liquidometer, amplifies section and is connected bottom extraction tower tower top organic extract liquid discharging opening 4 and water scrubber；During installation
Extraction tower tower top amplifies section top and amplifies section top higher than water scrubber tower top.
The using method of this utility model device is: by flow measurement, aqueous phase reactions liquid is pumped into extraction tower top
Portion, light organic solvent is continuously pumped into bottom extraction tower by flow measurement simultaneously；Due to aqueous phase reactions liquid and
The density contrast of light organic solvent, aqueous phase reactions liquid is in top-down flowing in tower, and organic solvent is at tower
In in flowing from bottom to top, both realize in tower fully dispersed with mix, complete extraction process；Extraction
It is settling section that tower bottom amplifies section, and the aqueous phase after repeatedly extraction is at this stratification, and the aqueous phase of clarification is the end of from
Portion's discharging opening flows out；It is settling section that section is amplified at extraction tower top, and the organic facies after repeatedly extraction stands at this
Layering, when tower top differential pressure type level gauge liquid level reaches setting value, opens tower top organic facies outlet valve, makes light
Matter organic facies flows directly into water scrubber bottom feed mouth, due to lightweight organic extraction from amplifying discharging opening in the middle part of section
Liquid and the density contrast of pure water, organic extract liquid in tower in flowing from bottom to top, and pure water in tower in from
Upper and under flowing, both realize in tower fully dispersed with mix, complete water-washing process；Water scrubber tower top
Amplification section is settling section, and the lightweight organic facies after repeatedly washing is at this stratification, and organic facies is from overfall
Flow out in water lotion storage tank；Amplifying section at the bottom of water scrubber tower is settling section, and the aqueous phase after repeatedly washing is at this
Stratification, aqueous phase flows out from bottom discharge mouth.
For keeping system stability and seriality, the charging of water scrubber light organic solvent is organic with extraction tower lightweight molten
The flow-rate ratio of agent charging is preferable in 0.95～1.05/1.
This utility model device uses extraction tower and water scrubber coupling one-time continuous to complete aqueous phase reactions liquid extraction water
Washed journey.It is 2～4 times of prior art that extraction tower tower top amplifies the aspect ratio of section and tower section, and overhead light has
Machine phase discharging opening is directly accessed water scrubber bottom feed mouth from amplifying extraction in the middle part of section.Process route is short, flow process
Simply, reduce device and put into, improve production efficiency, smooth operation, effective.
Accompanying drawing explanation
Fig. 1 is prior art processes schematic flow sheet one.
Wherein: 1. aqueous phase reactions liquid charging aperture 2. light organic solvent charging aperture 3. extraction wastewater discharging opening 4. is light
Matter organic extract liquid discharging opening 5. extraction tower 6. storage tank 7. pure water feed mouth 8. washing waste water discharging opening 9. lightweight
Organic water washing liquid discharging opening 10. water scrubber
Fig. 2 is prior art processes schematic flow sheet two.
Wherein: 1. extraction washing integrated tower 2. pure water feed mouth 3. aqueous phase reactions liquid charging aperture 4. lightweight is organic molten
Agent charging aperture 5. waste water discharging opening 6. lightweight organic water washing liquid discharging opening
Fig. 3 is this utility model device technique schematic flow sheet.
Wherein: 1. aqueous phase reactions liquid charging aperture 2. light organic solvent charging aperture 3. extraction wastewater discharging opening 4. is light
Matter organic extract liquid discharging opening 5. extraction tower 6. differential pressure levelmeter 7. pure water feed mouth 8. washing waste water discharging opening
9. lightweight organic water washing liquid discharging opening 10. water scrubber
Detailed description of the invention
Below in conjunction with embodiment, this utility model is elaborated.
Embodiment 1
It is illustrated in figure 1 the continuous extraction washing coupling dress that a set of aqueous phase reactions liquid treating capacity is about 480L/h
Putting, it is board-like that extraction tower and water scrubber are vibrosieve.Its design parameter is: a diameter of Φ of extraction tower tower section 300,
It is highly 5m；Tower top amplifies a diameter of Φ of section 600, high 1.6m；Light organic solvent outlet is located at tower top and puts
At big section high 1/2；The a diameter of Φ of section 600, high 0.8m is amplified at the bottom of tower.The a diameter of Φ of water scrubber tower section 220 is high
Degree is 5m；Tower top amplifies a diameter of Φ of section 440, high 0.8m, amplifies a diameter of Φ of section 440, high 0.8m at the bottom of tower；
Extraction tower tower top amplifies section top setting height(from bottom) and amplifies section top 3～4 meters higher than water scrubber tower top.
Its technical process is: the reactant liquor charging of extraction tower uses single closed loop ratio with light organic solvent charging
Controlling, aqueous phase reactions liquid enters extraction tower top by flow measurement with the flow of 480L/h, and lightweight has simultaneously
Machine solvent is continuously pumped into bottom extraction tower by flow measurement with the flow of 240L/h that (light organic solvent is with anti-
The ratio answering flow quantity is 1: 2), tower bottom water phase outflow control valve and tower bottom interface meter use single loop PID control
System, the aqueous phase rate of outflow controls according to tower bottom interface value, to keep stablizing of tower bottom interface.Extraction tower top
When extract differential pressure levelmeter liquid level reaches more than 60%, open top part organic facies outlet valve is with definite value flow
245L/h discharging flows into bottom water scrubber, and the charging of lightweight organic extract liquid and the pure water feed of water scrubber use single
Closed loop Ratio control, bottom extraction tower, waste water discharging speed is controlled by tower bottom interface meter, and waste water processes heel row
Putting, pure water enters water scrubber top with the flow of 120L/h by flow measurement simultaneously, and water scrubber top is organic
Natural overflow is in storage tank mutually, and aqueous phase flows out from bottom discharge mouth, tower bottom water phase outflow control valve and tower top circle
Face meter uses single loop PID to control, and the bottom aqueous phase rate of outflow controls according to tower top interface value, to keep tower
Stablizing of interface, top.
Claims (3)
1. a continuous extraction water washing device for aqueous phase reactions liquid, the continuous extraction washing of a kind of aqueous phase reactions liquid
Device, including extraction tower (5) and water scrubber (10), extraction tower (5) bottom has light organic solvent to feed
Mouth (2), amplifies at the bottom of tower under section and has wastewater outlet (3), extraction tower (5) top to have aqueous phase reactions liquid charging aperture
(1), extraction tower (5) tower top amplifies has lightweight organic extract liquid discharging opening (4) in the middle part of section；Water scrubber (10)
Section is amplified in bottom a waste water discharging opening (8), water scrubber (10) tower top amplify section have pure water feed mouth (7) and
Lightweight organic water washing liquid discharging opening (9)；Its characteristic is: extraction tower tower top amplifies the aspect ratio of section and tower section and is
2～4 times of prior art, extraction tower tower top amplifies bottom section equipped with differential pressure type level gauge, extraction tower (5) tower
Amplify section bottom top organic extract liquid discharging opening (4) and water scrubber to be connected；During installation, extraction tower tower top amplifies
Duan Dingduan amplifies section top higher than water scrubber tower top.
The continuous extraction water washing device of aqueous phase reactions liquid the most according to claim 1, is characterized in that extraction tower
It is that vibrosieve is board-like with water scrubber.
The continuous extraction water washing device of aqueous phase reactions liquid the most according to claim 1, is characterized in that extraction tower
The outlet of overhead light organic solvent is located at tower top and amplifies at section 1/2.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620205780.8U CN205461126U (en) | 2016-03-11 | 2016-03-11 | Continuous extraction water washing device of aqueous phase reaction liquid |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620205780.8U CN205461126U (en) | 2016-03-11 | 2016-03-11 | Continuous extraction water washing device of aqueous phase reaction liquid |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105797426A (en) * | 2016-03-11 | 2016-07-27 | 黎明化工研究设计院有限责任公司 | Continuous extracting and washing device of water-phase reaction liquid and use method of continuous extracting and washing device |
-
2016
- 2016-03-11 CN CN201620205780.8U patent/CN205461126U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105797426A (en) * | 2016-03-11 | 2016-07-27 | 黎明化工研究设计院有限责任公司 | Continuous extracting and washing device of water-phase reaction liquid and use method of continuous extracting and washing device |
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