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Metal solid waste treatment system

A processing system and metal technology, applied in the field of metallurgy, can solve the problems of lack of processing cost, strong adaptability, low pollution, etc., and achieve the effects of no electromagnetic pollution, reduced maintenance cost, and low electrode consumption.

Pending Publication Date: 2017-12-29
褚继东
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] In view of the above-mentioned shortcomings of the prior art, the purpose of the present invention is to provide a treatment system for metal solid waste, which is used to solve the lack of low treatment cost, low pollution and strong adaptability in the prior art to deal with metals produced in metallurgy. Problems with solid waste systems

Method used

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Examples

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Embodiment 1

[0108] Put the liquid sample containing metal solid waste that needs to be treated into the stirring unit for stirring, and at the same time, pass the ozone generated by the ozone generating unit into the stirring unit through the aeration unit, so that the ozone can oxidize the metal solid waste in the liquid sample. The concentration of the ozone in every 1ml of liquid sample containing metal solid waste is ≥3ppm, preferably 3-10ppm. The stirring unit is a vortex stirring tank, and the vortex stirring tank is stirred by the rotation of the stirring blades. The humidity of the working environment of the ozone generating unit is ≤90%. The aeration unit is an aerator, and the bubbles generated by the aeration of the aerator are micro-nano bubbles, and the diameter of the micro-nano bubbles is 100nm-500μm.

[0109] Among them, the ozone generating unit generates ozone by placing water in the anode water tank and the cathode water tank respectively, the water in the anode water ...

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Abstract

The invention provides a metal solid waste treatment system. The system comprises an ozone generation unit, an aeration unit, a stirring unit and a precipitation unit, wherein the ozone generation unit communicates with the aeration unit through one pipeline; the aeration unit extends into the stirring unit; and the stirring unit communicates with the precipitation unit through one pipeline. The invention further provides a using method of the metal solid waste treatment system. According to the metal solid waste treatment system, the ozone generation unit is adopted, thus the generated ozone is high in concentration and free of pollution, electrode consumption is low, the influence of environment temperature and humidity is avoided, the maintenance cost is low, metal solid waste after ozone oxidation is rapidly precipitated and separated under the action of a flocculating agent, and the waste is changed into wealth.

Description

technical field [0001] The invention belongs to the technical field of metallurgy and relates to a treatment system for solid metal waste, in particular to a system for treating solid metal waste produced in metallurgy by using low-voltage electrolysis to generate ozone and its application. Background technique [0002] The method of smelting precious metals (gold, silver, etc.) has long been the most common way to use cyanide (CyanideCN) as the chemical raw material for extraction. However, cyanide contains strong toxicity, which will bring great environmental pollution, and the pollutants (tailings) produced will cause major disasters that will affect the ecology. Therefore, it is very necessary and urgent to replace the smelting method of cyanide. At present, it is more effective to use Thiosulfate (Thiosulphate) instead of cyanide. However, the use of thiosulfate to smelt precious metals has many disadvantages, such as a large amount of chemicals, high smelting costs, a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22B7/00B01J19/18B01D21/02B01D21/01B09B3/00
CPCB01D21/01B01D21/02B01J19/0053B01J19/18B09B3/00C22B7/00Y02P10/20
Inventor 褚继东李开生张传友
Owner 褚继东
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