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Chemical separation floatation column with high enrichment ratio

A chemical separation and flotation column technology, applied in flotation, solid separation, etc., can solve the problems of low flotation efficiency, and achieve the effect of uniform pressure, favorable adsorption or attachment, high separation or enrichment efficiency

Inactive Publication Date: 2012-09-19
JIANGNAN UNIV
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  • Application Information

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Problems solved by technology

This kind of attachment or adsorption is mainly physical adsorption, and low temperature is conducive to adsorption, while the traditional flotation column has no jacket for cooling water circulation, and the flotation efficiency per unit time is relatively low

Method used

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  • Chemical separation floatation column with high enrichment ratio

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Embodiment

[0017] Lithium tributyl phosphate extraction system (lithium-iron trichloride-tributyl phosphate-kerosene) is a classic method applied to lithium magnesium separation and lithium enrichment in salt lake brine, but the efficiency of one-time separation and enrichment of lithium It is not high and requires multiple extractions, or multi-stage series. Using the flotation method for this system can greatly improve the efficiency of primary separation and enrichment.

[0018] The flotation column of the present invention, a gas flow meter, a buffer bottle and a gas source (an oil-free air compressor, or an air cylinder, or a nitrogen cylinder) constitute a flotation device.

[0019] Connect the cooling medium inlet 4 and outlet 5 on the jacket 3 with the cooling water circulation system at 5°C.

[0020] Open the gas source, adjust the flow rate of the carrier gas, and pour it into the flotation solution (the ferric chloride-tributyl phosphate salt lake brine system with well-contr...

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Abstract

The invention relates to a chemical separation floatation column with a high enrichment ratio. The floatation column is provided with a jacket, and cooling water with different temperature can be introduced according to the requirement of the chemical separation or enrichment so as to improve the floatation efficiency; a floatation chamber is a spherical tube, so that the running path of bubbles can be changed, the running time of the bubbles in the floatation solution can be increased, the possibility that the bubbles are contacted with a trapped component is increased, and the edge effect can be avoided or alleviated; and an air chamber on the bottom of the floatation column has a large space, so that the air distribution and uniform air distribution of a sand core can be favored. According to the floatation column, the enrichment rate of the chemical separation or enrichment is higher than the ordinary floatation column without a jacket and with a straight cylindrical floatation chamber and a smaller air chamber space.

Description

technical field [0001] The invention relates to a chemical separation flotation column with high enrichment rate, belonging to the technical field of chemical separation or enrichment. Background technique [0002] Flotation separation is a modern chemical separation and enrichment technology, and flotation column is an important equipment to achieve efficient separation and enrichment. The level of flotation efficiency has a great relationship with the flotation column. The flotation efficiency firstly depends on the number of bubbles, the contact probability between the particles to be floated and the bubbles, and secondly the flotation temperature and whether "edge effect" occurs. The number of bubbles and their distribution in the solution in the flotation chamber are related to the generation of bubbles in the air distribution plate and the uniformity of the air distribution. In addition to the factors of the air distribution plate itself, it is related to the structur...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B03D1/14
Inventor 商少明周昳孙芳刘瑛陈新
Owner JIANGNAN UNIV