Pre-oxidation integrated treatment equipment for removing heavy metals in mine gushing water

By setting up a pre-oxidation chamber in the mine water treatment equipment for oxidation treatment, the problem of high suspended solids affecting the removal efficiency of heavy metals is solved, achieving efficient removal of heavy metals and improved stability of precipitates. The equipment has automated control and efficient operation.

CN224212485UActive Publication Date: 2026-05-08YUNNAN SYNERGETIC ENVIRONMENTAL PROTECTION ENG CO LTD
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Patent Information

Application Number
CN202521120225.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-04
Publication Date
2026-05-08
Estimated Expiration
2035-06-04

AI Technical Summary

Technical Problem

High levels of suspended solids in mine inflow water can affect the removal efficiency of heavy metal ions by directly carrying out alkaline precipitation and coagulation reactions. Low-valence metal ions are difficult to oxidize to high-valence states, leading to unstable precipitation.

Method used

A pre-oxidation chamber is set up in the treatment equipment, and oxygen is supplied through an oxygen supply loop and an oxygen release device for pre-oxidation treatment, which increases the valence of low-valence metal ions, followed by alkaline precipitation reaction and coagulation and flocculation reaction, thereby improving the removal rate of metal ions and the stability of precipitates.

Benefits of technology

Pre-oxidation treatment improves the removal rate of heavy metals in mine water and the stability of precipitates. The equipment adopts automated control, which improves processing efficiency and stability.

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Abstract

The utility model belongs to the technical field of mine gushing water treatment, and relates to pre-oxidation integrated treatment equipment for removing heavy metals in mine gushing water. Comprising a pre-oxidation bin, a metal alkali environment precipitation reaction unit, a flocculation mixing reaction tank and a plate type filler precipitation unit, the flocculation mixing reaction tank comprises a first flocculation mixing reaction unit and a second flocculation mixing reaction unit, and an oxygen supply ring pipe and an oxygen releaser are arranged at the bottom of the pre-oxidation bin; a matched dosing device is integrated on the side wall of the treatment tank, and the dosing device comprises an alkali liquor dosing system, a PAC dosing system and a PAM dosing system; stirrers are arranged in the metal alkali environment precipitation reaction unit, the first flocculation mixing reaction unit and the second flocculation mixing reaction unit; pre-oxidation treatment is carried out before alkaline precipitation reaction and coagulation-flocculation reaction, so that valence of metal ions in the mine inflow water is increased, and then alkaline precipitation reaction is carried out on the metal ions, so that the removal rate of the metal ions and the stability of precipitates can be improved.
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