Innocent treatment method and system for liquid crystal panel

Abstract

The invention belongs to the field of innocent treatment of hazardous wastes, and provides an innocent treatment method for a liquid crystal panel, which comprises the following steps: A. crushing the liquid crystal panel; B. soaking the crushed liquid crystal panel pieces in an acetone solution, performing evaporation condensation on the acetone solution after soaking, and recovering liquid crystals dissolved in the acetone solution; C. soaking the crushed liquid crystal panel pieces which have been soaked in the acetone solution in a sulfuric acid solution, and recovering solid-phase residue after soaking; and D. performing extraction and back extraction treatment on the sulfuric acid soaking solution, and recovering to obtain an indium-containing purified solution. The invention provides an innocent treatment system for a liquid crystal panel, which comprises a crusher, a feeding device, a soaking device, a distilling device, a condensing device, a first storage device, a second storage device, a third storage device, a fourth storage device, a fifth storage device, a sixth storage device, an extraction device, a back extraction device, a transfer pump and pipelines for connection. The invention is used for innocent treatment of a liquid crystal panel.

Description

technical field [0001] The invention belongs to the field of harmless treatment of hazardous waste, and in particular relates to a process and a system for harmless treatment and resource utilization of liquid crystal panels. Background technique [0002] Liquid crystal flat panel display technology was discovered at the end of the 19th century, but it was not commercialized until the second half of the 20th century. In 1968, the American RCA (Radio Corporation of America) company released a watch made of liquid crystal, and since then liquid crystal has officially entered the road of commercialization and practicality. So far, with the improvement of living standards, the demand for intelligent technology is increasing. LCD TVs, computer monitors, mobile phones, projectors, navigators and other products all use liquid crystal display components. Liquid crystal display components generally have a service life of 5 to 8 years, and have become the main target of electronic wa...

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the shortcomings of the existing liquid crystal panel treatment methods, such as complex process, high treatment cost, and easy to produce secondary pollution, the present invention proposes a liquid crystal panel harmless treatment technology to solve the problem.

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