A liquid film generator supported by pre-dispersed micro-nano bubbles
A technology supporting liquid membranes and generators, applied in separation methods, chemical instruments and methods, liquid solution solvent extraction, etc., can solve problems such as easy blockage of needle tubes or plate holes, high operating conditions, and difficulty in industrial scale-up. To achieve the effect of controllable structure, firm structure, stable and balanced gas pressure
Active Publication Date: 2022-03-01
QINGDAO TECHNOLOGICAL UNIVERSITY
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Problems solved by technology
[0005] The technical problem to be solved by the present invention is that the large phase extraction devices in the prior art are all based on the tube-in-tube or plate-hole-in-tube method to generate the bubble-supported liquid film, and the processing accuracy of the bubble-supported liquid film generator is extremely high. Otherwise, it is difficult to form bubbles in oil; moreover, the needle tube or plate hole is easy to be blocked, and the liquid film is easy to fall off, which requires high operating conditions for the organic phase and the gas phase. Due to the problems of high pressure of gas supply or oil supply, high energy consumption, and difficult maintenance, it is difficult to realize industrial scale-up
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Embodiment 1
[0037] Such as figure 1As shown, a pre-dispersed micro-nano bubble supported liquid film generator includes a generator housing 9, the bottom of which is a gas-phase buffer chamber 2, and a gas-oil two-phase mixing chamber 5 above the gas-phase buffer chamber 2. The two pass through a multi-stage The micro-nano bubble generating plate 3 is separated; the buffer chamber 7 is above the gas-oil two-phase mixing chamber 5, and the two are separated by the oil-film-wrapped bubble growth plate 6; the gas phase inlet 1 is arranged on one side of the gas-phase buffer chamber 2, and the gas-oil two-phase mixing chamber One side of 5 is provided with an oil phase inlet 4, and one side of the buffer chamber 7 is provided with an output port 8 of a micro-nano bubble-supported liquid film, which is used to connect with the extraction reactor. Among them, the gas phase buffer chamber is located at the bottom of the entire generator. After the gas is introduced, the gas is buffered in it, an...
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Abstract
The invention belongs to the technical field of chemical separation, and in particular relates to a pre-dispersed micro-nano bubble-supported liquid film generator. Including the generator shell, the bottom of which is a gas-phase buffer chamber, the gas-oil two-phase mixing chamber above the gas-phase buffer chamber, the two are separated by a multi-stage micro-nano bubble generating plate; the gas-oil two-phase mixing chamber is above the buffer chamber, the two The gas-phase buffer chamber is provided with a gas-phase inlet on one side, the gas-oil two-phase mixing chamber is provided with an oil-phase inlet on one side, and the buffer chamber is provided with a micro-nano bubble-supported liquid film output port on one side of the buffer chamber. The invention can well control the dispersion state of the small-volume oil phase, so that the small-volume oil phase is coated on the surface of the pre-dispersed micro-nano bubbles to form a pre-dispersed micro-nano-bubble supporting liquid film, and the generator can be placed outside the extraction device , in order to solve the problems such as instability of the bubble liquid film and easy shedding of the liquid film due to improper operating conditions of the gas phase and the oil phase during the formation of the bubble-supported liquid film.
Description
Technical field: [0001] The invention belongs to the technical field of chemical separation, and in particular relates to a pre-dispersed micro-nano bubble-supported liquid film generator. Background technique: [0002] Solvent extraction is widely used in the fields of petroleum, chemical industry, pharmaceutical, metallurgy, environmental protection, bioengineering and new material preparation due to its advantages of high selectivity, good separation effect, easy operation and strong applicability. With the rapid development of economy and industry, the extraction system is becoming more and more complex, the concentration of the target components to be separated is getting lower and lower, and the properties are getting more and more similar. People put forward higher requirements for separation technology and equipment. [0003] Traditional extraction techniques and devices mainly include mixing and clarification extraction tanks, extraction towers / columns, centrifugal ...
Claims
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IPC IPC(8): B01D11/04
CPCB01D11/04B01D11/0492
Inventor 刘杰贾明辉宋超前李金成夏文香杨小娴
Owner QINGDAO TECHNOLOGICAL UNIVERSITY