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It is natural that the gas produced in the production of external heat converter needs to be discharged at any time. However, with the deepening of the concept of environmental protection, we also know that other gases cannot be discharged at any time because they need to be processed.
Externally heated rotary kiln using the circulation fan control system and the processing of waste gas, waste gas processing system circulation fan can improve the heat utilization rate of kiln and furnace temperature uniformity, kiln body heating period, thermostatic period of circulation fan are placed, each cycle fan work independently each other, each temperature zone clapboard, make it become the independent heating temperature zone, reduce the interference between each other, facilitate flexible adjustment, similar cooling period of air cooling fan, all of the circulation fans by adjusting the rotational speed of the transducer to control more.
The exhaust gas discharge pipe is arranged at the front of the converter body, and the plug plate regulating valve is arranged in the pipe to regulate the exhaust gas flow, and the exhaust gas and heat treatment powder move in reverse to make full use of the waste heat and achieve the certain energy-saving effect. Equipment consists of furnace body, transmission system, and temperature control system of a complete set of three major components, so in the whole production process, in order to prevent the environmental pollution of the waste gas processing, its interior is not directly used in the rotary kiln furnace refractory fiber, better to prevent crystallization of high temperature refractory fiber powder for powder products pollution caused by heat treatment.
Waste gas processing depends on multiple systems to cooperate, if direct emissions after external heated rotary kiln production, it is against our surrounding environment condition, this is not just for the sake of others, also for us to think of a better life in the future, in response to environmental protection, we can according to the paper explain the content, generally know about the emission how this kind of equipment.
If it is organic waste gas treatment: alkane, olefin, ketone, ether, ester, aromatic hydrocarbon, benzene, and another hydrocarbon organic waste gas. VOC exhaust gas purification furnace can be used. The principle is to heat organic exhaust gas to 760 ° c (depending on the specific composition) so that the VOC in the exhaust gas will be oxidized and decomposed into carbon dioxide and water. The high-temperature gas generated by oxidation flows through the special ceramic heat storage body, which heats up the ceramic and "accumulates heat", which is used to preheat the subsequent organic waste gas. Thus, the heating consumption of exhaust gas heating is saved. Ceramic regenerator shall be divided into more than two (including two) regenerators. Each regenerator shall go through the procedures of heating, exothermic and cleaning successively, and work continuously. The proper amount of clean air should be introduced to clean the regenerator immediately after "heat release" (to ensure the VOC removal rate above 98%), and the regenerator can enter the "heat storage" procedure only after the cleaning is completed. Otherwise, residual VOCs will be discharged into the chimney along with the flue gas, thus reducing the treatment efficiency