Automatic ion exchange resin regeneration system and method

Abstract

The invention belongs to the technical field of material treatment, and relates to a full-automatic ion exchange resin regeneration system and method.The regeneration system comprises a reaction shell, an ion exchange membrane and a pure water tank; the number of the ion exchange membranes is two, the two ion exchange membranes are arranged in parallel and are vertically placed on the inner bottom surface of the reaction shell, the side walls of the two ion exchange membranes are in contact with the inner wall of the reaction shell, and the interior of the reaction shell is sequentially divided into a positive electrolysis chamber, a regeneration reaction chamber and a negative electrolysis chamber; the pure water tank is arranged outside the reaction shell and is respectively communicated with the positive electrolysis chamber, the regeneration reaction chamber and the negative electrolysis chamber; and the ion exchange membrane is an anion exchange membrane or a cation exchange membrane. Resin can be automatically regenerated, and the regeneration degree is improved; and the regeneration process does not need chemical reagents and is safe and reliable.

Description

technical field [0001] The invention belongs to the technical field of material processing, and relates to a fully automatic ion exchange resin regeneration system and method, which are used for automatic regeneration of the ion exchange resin in the process of instrument detection and test analysis. Background technique [0002] Ion exchange resin is a type of polymer compound commonly used in the industrial water treatment industry. Its main function is to exchange anions and cations in water to prepare pure water. In the process of use, it will gradually fail, resulting in a decrease in the production yield of pure water and the grade of pure water. Therefore, it is necessary to regenerate the failed resin and restore its activity. The regeneration of ion exchange resin is generally carried out by chemical reagents, such as the failure of strong acid cation resin. Hydrochloric acid is generally used for regeneration; sodium hydroxide is generally used for regeneration whe...

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Problems solved by technology

[0002] Ion exchange resin is a kind of polymer compound commonly used in the industrial water treatment industry. Its main function is to exchange anions and cations in water to prepare pure water. It will gradually fail during use, resulting in a decline in the yield of pure water preparation and the grade of pure water. Therefore, the failed resin must be regenerated to restore its activity. The regeneration of ion exchange resins is generally carried out with chemical reagents, such as the failure of strong acid cationic resins. Hydrochloric acid is generally used for regeneration; strong alkaline cation resin failure is generally used for regeneration with sodium hydroxide

[0003] However, ion exchange resins are also often used in the detection of analyzers and instrumentation and daily test analysis in chemical laboratories. However, the traditional manual regeneration method has the following disadvantages: First, the regeneration degree of the manual regeneration method is low. Generally, the regeneration degree of the static regeneration method is only 70%-80%, and the regeneration degree of the regenerated resin is low, which will affect the ion exchange resin. Second, the manual regeneration method needs to add strong acid and strong alkali chemical reagents, which increases the risk of staff being injured by strong acid or strong alkali during the regeneration process, and there are potential safety hazards

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