Cyclone separation ammonia-leakage-free type copper mine efficient chemical combination leaching device

Abstract

The invention discloses a cyclone separation ammonia-leakage-free type copper mine efficient chemical combination leaching device. A chemical combination leaching barrel and a tail gas purifier are connected through a flange. A stirring motor is connected with a conical cover through a hollow shaft and then is inserted in the chemical combination leaching barrel. The conical cover is internally provided with blades and liquid inflow holes. Gas inlets which are evenly formed in the axial circumference are formed in the upper portion of the hollow shaft. A liquid inlet and a backflow pipe which are arranged in the chemical leaching barrel penetrate out of a barrel body to be located on a bottom valve. A jacket is arranged outside the tail gas purifier; a middle pipe and a spiral fin barrel are arranged in the tail gas purifier so that a jacket structure can be formed; and a tail gas purifier outlet is provided with a cyclone separator. Air (oxygen) in the chemical combination leaching barrel is automatically and conveniently supplemented, the liquid flow mixing effect is complete and sufficient, and chemical combination leaching efficiency is very high; material sedimentation and blockage are prevented, and the cyclone separation ammonia-leakage-free type copper mine efficient chemical combination leaching device is convenient to use, reliable and efficient; the the tail gas purifier efficiently completes heat transfer and mass transfer in a multi-stage manner, the gas and liquid separation effect is particularly good, ammonia leakage is effectively prevented, copper mine chemical combination leaching can be environment-friendly, automatic and efficient, and important application value is achieved.

Description

technical field [0001] The invention relates to a cyclone separation ammonia leakage-free copper ore high-efficiency compound leaching device. 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 copper sulfide is sl...

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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