Reverse cone sieve disk ammonia leakage-free efficient chemical combination leaching device of copper ore

Abstract

The invention relates to a reverse cone sieve disk ammonia leakage-free efficient chemical combination leaching device of a copper ore. A chemical combination leaching barrel and a tail gas purifier are connected by a flange; a stirring motor is connected with a conical shield by a hollow shaft and then inserted into the chemical combination leaching barrel; blades and liquid inlets holes are formed in the cone shield; air inlet holes are peripherally uniformly distributed and formed in the upper part of the hollow shaft; liquid inlets are formed in the chemical combination leaching barrel, and a reflux pipe penetrating out of the barrel body on a bottom valve; the tail gas purifier is externally provided with a jacket and is internally provided with a middle pipe forming a jacket structure together with spiral fins; the outlet of the tail gas purifier is provided with a swirler. Air (oxygen) is automatically conveniently replenished in the chemical combination leaching barrel having a perfect and complete liquid flow mixing action, and chemical combination leaching efficiency is high; material deposition and blockage is prevented, and convenience and efficiency are realized; tail gas purifier is multi-level, capable of efficiently finishing heat and medium transfer, and very good in gas liquid separation effect, ammonia leakage is effectively avoided, environment friendliness, automation and efficiency of chemical combination leaching of the copper ore is realized and important application value is realized.

Description

technical field [0001] The invention relates to a high-efficiency compound leaching device for copper ore with a reverse cone sieve dish ammonia and no leakage. Background technique [0002] A considerable part of copper ore in nature exists in the form of copper sulfide. Copper sulfide can form complexes and dissolve in the ammonia solution of suitable concentration, with enough air (mainly oxygen participating in the reaction) to form complexes and dissolve to complete the combination. After leaching and dissolving, solid-liquid separation can be carried out to proceed to the next step. [0003] Therefore, the compound leaching device of copper ore is an indispensable key equipment for the copper production process, but there are two major defects in the existing copper ore chemical combination leaching device, thus restricting the development of copper production technology. One is that the air blowing is not sufficient and inconvenient, the compound leaching speed of co...

AI Technical Summary

Problems solved by technology

One is that the air blowing is not sufficient and inconvenient, the compound leaching speed of copper sulfide is slow and the efficiency is low, it is necessary to add special air blowing equipment, increase equipment investment, and cause unnecessary troubles; second, ammonia is easy to leak, because ammonia It is a highly irritating, volatile, toxic and harmful gas, so it has a great impact on the environment and consumes a lot of ammonia. However, if a closed device is used for the reaction, it is easy to cause safety accidents such as explosions.

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