Adsorption tower group for extracting lithium from salt lake brine

A salt lake brine and adsorption tower technology, which is applied in the direction of adsorption water/sewage treatment, lithium compounds, water/sludge/sewage treatment, etc., can solve the problems of high equipment pressure requirements, unfavorable continuous production, and large return volume. Achieve the effect of saving energy consumption, reducing land occupation and reducing volume

Active Publication Date: 2018-12-21
CHANGSHA DESIGN & RES INST OF CHEM IND MIN
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Problems solved by technology

This scheme adopts a single-layer structure, and is a single-tower adsorption method, which requires high equipment pressure, large return volume, and low efficiency, which is not conducive to continuous production operations.

Method used

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  • Adsorption tower group for extracting lithium from salt lake brine

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Embodiment Construction

[0025] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. The embodiments are only to facilitate those skilled in the art to further understand the specific implementation of the present invention, and shall not be used to limit the protection scope of the present invention.

[0026] Such as figure 1 As shown, the embodiment of the adsorption tower group for extracting lithium from salt lake brine of the present invention includes a base 1. The side walls of the base 1 are respectively provided with an inspection hole 12 and a drain port 10, and the top of the base 1 is provided with two up and down connected in series. The adsorption tower body Ⅰ21, the adsorption tower body Ⅱ22 of the adsorption tower, the upper part of the adsorption tower body Ⅱ22 is provided with an upper head 3, and the lower part of the adsorption tower body Ⅰ21 which is docked with the base 1 is provided with a lower head 4. There i...

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Abstract

The invention discloses an adsorption tower group for extracting lithium from salt lake brine. The adsorption tower group comprises a base, wherein an inspection hole and an emptying opening are respectively formed in the side wall of the base; two or more adsorption towers which are longitudinally connected in series are arranged at the top of the base; each adsorption tower comprises an adsorption tower body; an upper head is arranged at the top of the uppermost adsorption tower body; a lower head is arranged at the lower part of the adsorption tower body connected with the base; a separation head is arranged between two adsorption tower bodies which are connected in series; a vent nozzle is formed in the upper part of a liquid outlet in the side wall of the upper part of the adsorptiontower body; a man hole is further formed in the upper part of the side wall of each adsorption tower body; a vent nozzle is formed in the top of the upper head of each adsorption tower; the tower is filled with an adsorbent. The adsorption tower group has the advantages that adsorption, washing and desorption operations can be accomplished in one tower, the transportation frequency of a pump can be reduced, the operation energy consumption is low, the dosage of the adsorbent is small, and occupied space and civil engineering equipment investment are reduced.

Description

Technical field [0001] The invention relates to an adsorption device, in particular to an adsorption tower group with a multi-tower stacked structure for extracting lithium from high magnesium and low lithium brine. Background technique [0002] Lithium has a wide range of uses. It can be used as a deoxidizer in the metallurgical industry; lithium can also be used as a component of lead-based alloys and light alloys such as beryllium, magnesium, and aluminum; lithium has important uses in the atomic energy industry; it is also used to make lithium batteries and lithium An important raw material for ion batteries. [0003] The salt lake brine in my country, especially the old salt lake brine, has the characteristics of high magnesium-to-lithium ratio. The extraction of lithium from the salt lake brine through the adsorption method can greatly improve the comprehensive utilization of resources and create huge economic value. [0004] Salt lake lithium extraction technology is the key ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01D15/00C02F1/28
CPCC01D15/00C02F1/28C02F2103/007C02F2303/16
Inventor 冯跃华夏循峰徐盛杨能红刘奇丁扬孙成高
Owner CHANGSHA DESIGN & RES INST OF CHEM IND MIN
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