Electromagnetic Heating Reactor Rotary Kiln

Abstract

The invention discloses a rotary kiln for an electromagnetic heating reaction kettle, which includes a material cylinder. An electromagnetic heating coil induces an eddy current in the material cylinder shell through electromagnetic induction, and then heats the material cylinder. The reaction kettle rotary kiln also includes a cooling device, and the connection of the cooling device The tube is connected to the electromagnetic heating coil, and the electromagnetic heating coil is cooled from the inside. The electromagnetic heating reactor rotary kiln also has a barrel stabilizing device that can keep the barrel from shaking left and right, and a cooling device for cooling the barrel stabilizing device and the electromagnetic heating coil. device, an exhaust device for exhausting waste gas generated by heating mineral materials, a bracket device for placing the kiln body, a voltage transformation system for supplying power to the electromagnetic heating coil, and a central control device that is connected to and controls the operation of each device. The invention has the advantages of induction heating, high energy utilization efficiency, speed adjustment of the material barrel and material conveying pipe, effective treatment of generated waste gas, safe construction, high stability and convenient maintenance.

Description

technical field [0001] The invention relates to the technical field of ore beneficiation equipment, in particular to refractory gold ore and iron ore beneficiation equipment, which is used to open gold parcels and improve the recovery rate, and specifically relates to an electromagnetic heating reaction kettle rotary kiln. Background technique [0002] Rotary kiln is mainly used in mines. It can carry out preliminary processing of ore powder and improve the mineral precision, especially gold ore ore. Taking iron ore as an example, there are many kinds of iron ore. The main two are magnetite (Fe3O4 ) and hematite (Fe2O3), which is also commonly known as red ore. my country's iron ore is generally lean ore, with a grade of around 30, and generally requires beneficiation. The beneficiation process of low-grade hematite is complicated and difficult to realize. Therefore, most of the ore dressing in our country is magnetite, which is physical beneficiation, which is easy to rea...

AI Technical Summary

Problems solved by technology

To heat the impurity iron element, it is necessary to design a conveniently controlled heating method to provide the basis for intelligent temperature control. The best solution is to use electromagnetic heating, but the rotating speed of the rotary kiln and the feeding pipe will affect the heating of the mineral material. Time, travel speed, etc. all have a great influence, and the best heating time for different quality mineral materials is different. If a uniform rotation speed is used, some mineral materials will not be well oxidized, and some mineral materials will not be oxidized well. Excessive waste of energy, and the existing rotary kiln puts the ore material into the rotary kiln and heats it at high temperature. Since the ore will contain elements such as sulfur, nitrate, and arsenic, it will generate harmful gases during heating, which must be treated. , when the heating tube of the rotary kiln is rotating, due to the centrifugal movement of the ore powder in the tube, the heating tube will easily shake and cause danger.

Moreover, the existing rotary kiln is prone to structural aging and inconvenient maintenance after long-term use, and the volume of the rotary kiln is huge, which is very inconvenient to transport

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