The Detailed Description for Hongxing Rotary Kiln

In the wet kiln, due to the slow heating rate and the lag of the carbonate decomposition, parts of the decomposition reaction and the solid-state reaction coincide. Since the ambient temperature is low, the CaO early decomposed can not have the effective solid-phase reaction so that the activity is decreased. The parts overlap of the carbonate decomposition process and the solid phase reaction make the heat gradually emitted by the solid phase reaction only consumes in the carbonate decomposition process, so the exothermic reaction performance is not very obvious.
In the precalciner kiln, the material decompositions often happen in the decomposing furnace. Since the materials are in suspension state in the calciner, it is very difficult to carry out the solid-state reaction for the materials in the decomposition furnace. The temperature of the most of the materials which have been decomposed rises rapidly when they enter the rotary kiln to forma the concentrated solid-state reaction zone. The solid phase reaction is exothermic, which further facilitates the rapid warming of materials and can ensure the stability of the kiln thermal system. In addition, in the precalciner kiln, after the materials enter the rotary kiln for tens of seconds, the new ecological substance rapidly enters the rotary kiln for reaction. Due to the rapid calcination, the new ecological CaO has the features of large lattice constant, many defects, incomplete lattice and small crystal and grain size, which can prompt the rapid generation of the small silicate minerals.
According to the many years’ experience and the advanced technology of the rotary at home and abroad, Henan Hongxing Mining Machinery has developed and researched the new generation of rotary kiln. This kind of rotary kiln has remove the shortcoming of the traditional rotary kiln and the working efficiency has been improved greatly. In addition, the new generation of the rotary kiln produced by Henan Hongxing Mining Machinery has the advantages of high efficiency, low energy consumption and low production cost. As a result, the new generation of rotary kiln has been more and more widely used in the mining industry.
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