Mixer settler for three-phase extraction

A technology of mixing clarifier and clarifier, which can be used in liquid solution solvent extraction and other directions, and can solve problems such as phase flow

Inactive Publication Date: 2011-03-30
INST OF PROCESS ENG CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The object of the present invention is to provide a kind of liquid-liquid-liquid three-phase multi-stage continuous extraction mixing and

Method used

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  • Mixer settler for three-phase extraction
  • Mixer settler for three-phase extraction
  • Mixer settler for three-phase extraction

Examples

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Embodiment

[0050] See figure 1 and figure 2 . The mixing and settling tank for three-phase extraction is divided into a mixing and settling tank with the same structure by two partitions, a mixing and settling tank, a secondary mixing and settling tank and a third mixing and settling tank; in the above mixing and settling tank All include three-phase mixing chamber 1, clarification chamber 2, middle and lower phase mixing chamber 3, stirring motor 4, self-priming stirring blade 5, light phase separation chamber 6, meniscus baffle 7, light phase outlet pipe 8 , heavy phase outlet pipe 9, baffle baffle 10 and transverse partition 11, etc.

[0051] There are three-phase mixing chamber 1, clarification chamber 2 and middle and lower phase mixing chamber 3 in the primary mixing and settling tank, secondary mixing and settling tank and tertiary mixing and settling tank; among them, the clarification chamber 2 is located between the three-phase mixing chamber 1 and the middle Between the lo...

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Abstract

The invention belongs to a liquid-liquid-liquid three-phase multi-stage continuous extraction device, and particularly relates to a mixer settler for three-phase extraction, which can extract the target component in one step and realizes high-level separation in a multi-component complex system. The mixer settler for three-phase extraction comprises a first-level mixer settler, a second-level mixer settler and a third-level mixer settler which have the same structure; and every mixer settler comprises a three-phase mixing chamber, a clarifying chamber, an intermediate-low phase mixing chamber, and the like. As an aqueous two-phase system, an intermediate phase and a salt-rich low phase rich in polymer are used as one phase under the condition of stirring to transfer mass during counterflow with the organic phase so that the problem of three-phase flow in the three-phase extraction process is solved and the multi-stage continuous extraction can be carried out. Under the circumference that the one-stage extraction separating effect is unsatisfactory in the multi-component complex system, the mixer settler for three-phase extraction can realize three-stage reverse flow continuous extraction and high-level multi-component separation according to the components. The invention successfully solves the problem of three-phase flow in the three-phase extraction process.

Description

field of invention [0001] The invention belongs to a liquid-liquid-liquid three-phase multi-stage continuous extraction device, in particular to a mixing and settling tank for one-step extraction of target components in a multi-component complex system and capable of highly separated three-phase extraction. technical background [0002] Solvent extraction technology is an important branch of separation science and an important field of chemical engineering scientific research. As a commonly used unit operation, liquid-liquid extraction uses the difference in physical and chemical properties between immiscible liquid phases to realize the differential distribution of substances, and has achieved the purpose of concentration, fractionation and selective separation. Due to the high separation efficiency and easy operation, it is widely used in petroleum, chemical, pharmaceutical, metallurgy, food and other industries. [0003] According to the nature of the extraction system s...

Claims

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Application Information

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IPC IPC(8): B01D11/04
CPCB01D11/04
Inventor 刘会洲于品华
Owner INST OF PROCESS ENG CHINESE ACAD OF SCI
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