The vertical roasting machine adopts vertical equipment and steel structure housing, and the lining is equipped with heat preservation material to keep warm. In the inner of the kiln, and multilayer high temperature castings have been used and overlapped. In the higher, middle and lower parts, all relevant components have several groups of vibrate, closure, temperature control and intelligent control systems. Water vapor and smoke collected and removed by the whirlwind dust collector installed in the draught fan. The vertical roasting machine uses rotary dryer's drying characteristics of great air-delivery and gravity principle, the development design, industrialization test, product generation upgrades, and successfully puts products into operation of massive mold several stages.
The key technology of vertical roasting machine is to control the flow rate and residence time of the material in every area of the rotary dryer, making the hot flue gas fully convected, radiated and heat conducted with the material which thus can be scattered in the rotary dryer as far as possible to enlarge the contact area between the hot smoke and the material. At the same time, material drying parameter optimization microcomputer software technology has been adopted to proceed online detection to the material moisture and gas temperature in the preheating zone, stoving zone and drying zone, and adjust the system parameters on line such as heating ability, lead-wind quantity, secondary hot wind distribution, heat supply capacity, material closure capacity and retention time, etc., realizing dynamic optimization balance of the system and improving the heat utilization rate.
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Henan KeFan Mining Machinery Co.,LTD is a modern new & high-tech enterprise established with a level research .It is located at National Economical &Technical Department Zone of Zhengzhou ,the capital Henan Provice .The company has an area of 35000 square meters , fixed asstes of 36 million Yuan ,with engineering and technical personnel covering 20% of the total employees .The company has passed ISO9001:2000Qquality system authentication .It is a state-level quality management standard reaching enterprise ,member of Commerce ,and gained independent machinery import and export right.
Over the years ,KeFan has brought together a large number of number of enterprising ,management and researching elite on behalf of the leading level .The company attaches great importance to international cooperation and technical exchange ,introduced advanced technology from developed countries .Based in the localization of foreign advanced technology ,KeFan has been keeping in rational exploration and innovation ,developing new products to meet the needs of both domestic and international customers .Mineral processing equipment and dan-gravel production line manufactured by KeFan popular with users in over 20 provinces ,municipalities and autonomous regions .In addition ,they have been exported to Southeast Asia and Africa .Our products have been awarded 3.15 products with stable quality and satisfactoty after-sales service ‘by Henan Provincial Quality Supervising Information Center .Quality products and excellent service are the promise of Ke Fan people .we welcome customers from home and abroad to visit our company and carry out cooperation !