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Mixing extraction equipment and multi-level reverse continuous extraction equipment

A technology of extraction equipment and mixing cylinder, which is applied in the field of mixed extraction equipment and multi-stage reverse continuous extraction equipment, can solve the problems of long extraction time, low extraction efficiency, slow phase separation speed, etc., reduce volatilization and personal hazards, and avoid contact Effects of air and energy saving

Active Publication Date: 2014-04-23
XINJIANG RES INST OF NON FERROUS METALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The present invention provides a mixed extraction equipment and multi-stage reverse continuous extraction equipment, which overcomes the above-mentioned deficiencies in the prior art, and can effectively solve the problem of existing extraction equipment Slow phase separation speed, open equipment operation, low extraction efficiency and long extraction time

Method used

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  • Mixing extraction equipment and multi-level reverse continuous extraction equipment
  • Mixing extraction equipment and multi-level reverse continuous extraction equipment

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Experimental program
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Effect test

Embodiment 1

[0021] Embodiment 1, as attached figure 1 As shown, the mixed extraction equipment includes a centrifugal phase separator 1, a mixing device 5 and a peristaltic pump 6; an organic phase liquid outlet pipe 2, an aqueous phase liquid outlet pipe 3 and a mixed liquid inlet pipe are respectively fixedly installed on the centrifugal phase separator 1. Liquid pipe 4, the other end of the mixed liquid inlet pipe 4 is fixedly installed with the liquid outlet end of the mixing device 5, a peristaltic pump 6 is fixedly installed on the mixed liquid inlet pipe 4, and the centrifugal phase separator 1 is located in the mixing device 5 above. The centrifugal phase separator 1 can be an existing known centrifugal extractor, such as the centrifugal extractor produced by Beijing Institute of Extraction Applied Technology, the centrifugal extractor produced by Hefei Tiangong and the centrifugal extractor produced by Zhengzhou Tianyi Extraction. The device 1 can rapidly separate the two pha...

Embodiment 2

[0023] Embodiment 2, as preferred embodiment 1, as attached figure 1 As shown, the mixing device 5 includes a mixing drum 7 and a stirring device; a liquid outlet is arranged on the top of the mixing drum 7, and an annular flow guide is fixedly installed on the inner wall of the mixing drum 7 middle part below the liquid outlet of the mixing drum 7 The cylinder 8 forms a sealed annular cavity between the guide cylinder 8 and the mixing cylinder 7, and the water phase feed pipe 9 and the organic phase feed pipe 10 passing through the annular cavity are respectively fixedly installed in the middle of the mixing cylinder 7. A stirring device is fixedly installed in the inner axial direction of the cylinder 7 . The water phase enters the mixing cylinder 7 through the water phase feeding pipe 9, and the organic phase enters the inside of the mixing cylinder 7 through the organic phase feeding pipe 10, and the stirring device stirs and mixes the water phase and the organic phase,...

Embodiment 3

[0024] Embodiment 3, as preferred embodiment 2, as attached figure 1 As shown, the stirring device includes a stirring shaft 11, a pumping impeller 12 and a mixing impeller 13; the mixing impeller 13 and the pumping impeller 12 are fixedly installed on the stirring shaft 11 from bottom to top in sequence. The pumping impeller 12 and the mixing impeller 13 are impellers of the prior art, i.e. stirring paddles; after the organic phase and the aqueous phase respectively enter the mixing cylinder 7, they are first stirred by the mixing impeller 13 on the lower floor, and then passed through the pumping impeller 12 on the upper floor. And the guide tube 7 is lifted to the liquid outlet of the mixing tube 7 to be discharged, and then sent to the centrifugal phase separator 1 by the peristaltic pump 6 .

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Abstract

The invention relates to the technical field of extraction equipment, and relates to mixing extraction equipment and multi-level reverse continuous extraction equipment. The mixing extraction equipment comprises a centrifugal phase splitter, a mixing device and a peristaltic pump, wherein the centrifugal phase splitter is respectively fixedly provided with an organic phase drain pipe, a water phase drain pipe and a mixed liquid inlet pipe, and the other end of the mixed liquid inlet pipe and a liquid outlet end of the mixing device are fixedly arranged together; the mixed liquid inlet pipe is fixedly provided with the peristaltic pump, and the centrifugal phase splitter is positioned above the mixing device. The mixing extraction equipment and the multi-level reverse continuous extraction equipment provided by the invention have the advantages that the structure is reasonable and compact, the use is convenient, the contact time of two phases is fully prolonged, the split-phase time can be greatly shortened, a solvent flows in seal equipment and does not contact the air, and the volatilization and person harms are reduced; in addition, the high-order difference flow is utilized, an energy source is further saved, and the economic cost is reduced.

Description

technical field [0001] The invention relates to the technical field of extraction equipment, and relates to a mixed extraction equipment and a multi-stage reverse continuous extraction equipment. Background technique [0002] The centrifugal extractor currently popular in the market has a fast phase separation speed, but its mixing time is usually only a few seconds or tens of seconds, which is only suitable for some materials with fast extraction kinetics, not for materials with slow kinetics ;The most widely used mixing and settling tank has a large area, a large amount of extractant input, slow phase separation speed, and open operation of the equipment. Not only is the solvent volatilized seriously, but it is also harmful to the health of personnel, and the mixing and settling tank relies on gravity to separate phases. , this extraction method has the defects of low extraction efficiency and long extraction time. Contents of the invention [0003] The present inventio...

Claims

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Application Information

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IPC IPC(8): B01D11/04
Inventor 翁鸿蒙唐向阳刘力夏国定王晨雪
Owner XINJIANG RES INST OF NON FERROUS METALS
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