礦石烘干機廣泛用于建材、冶金、選礦、化工、水泥等行業，可用于烘干礦石、電石渣、石灰石、粘土、河沙、石英砂、水渣等物料。
礦石烘干機或礦石干燥機也是一種回轉式烘干機，主要由回轉筒體、引風設備、高速打散設備、揚料板、自清掃裝置、傳動裝置、輸送設備、熱風設備、減速機、支撐裝置及密封裝置等部件組成。礦石烘干機設計合理，制作精良，性能穩定，工藝，產量高，能耗低，占地面積小，機械化程度高。
工作原理：
礦石由皮帶輸送機或斗式提升機送到料斗，然后經料斗的加料機通過加料管道進入加料端。加料管道的斜度要大于物料的自然傾角，以便物料順利流入烘干機內。
烘干機圓筒是一個與水平線略成傾斜的旋轉圓筒。物料從較高一端加入，載熱體由低端進入，與物料成逆流接觸，也有載熱體和物料一起并流進入筒體的。
隨著圓筒的轉動物料受重力作用運行到較底的一端。濕物料在筒體內向前移動過程中，直接或間接得到了載熱體的給，使濕物料得以干燥，然后在出料端經皮帶機或螺旋輸送機送出。
礦石烘干機筒體內壁上裝有抄板，作用是把物料抄起來又撒下，使物料與氣流的接觸表面增大，以提高干燥速率并促進物料前進。
載熱體經干燥器以后，一般需要旋風除塵器將氣體內所帶物料捕集下來(載熱體一般分為熱空氣、煙道氣等)。如需進一步減少尾氣含塵量，還應經過袋式除塵器或濕法除塵器后再放排放。
中譯英：
Ore drying machine is widely used in building materials, metallurgy, mineral processing, chemical, cement and other industries, can be used for drying of carbide slag, ore, limestone, clay, sand, Ishi Eisa, water slag material.
Ore drying machine is widely used in building materials, metallurgy, mineral processing, chemical, cement and other industries, can be used for drying of carbide slag, ore, limestone, clay, sand, Ishi Eisa, water slag material.
Working principle:
Ores consist of belt conveyer and bucket elevator sent to the hopper, and then through the hopper feeder feeding through the feeding pipe into the end. The feeding pipe inclination angle is greater than the natural materials, so that the smooth flow of material drying machine.
Dryer cylinder is a horizontal rotating cylinder slightly into the slope. Material from the higher end of the join, heat carrier by the low-end entry, and materials into countercurrent contact with a heat carrier, and the material together and flow into the cylinder.
With the rotating cylinder materials run by gravity to the lower end of. Wet material in the cylinder body to move forward in the process, directly or indirectly by heat carrier to make the wet material, can be dried, and then in the discharge end of the screw conveyor belt machine or send.
Ore drying barrel is provided with a copy board, role is to bring up another copy of materials cast, so that the materials and the contact surface increases airflow, to improve the drying rate and promote material progress.
Heat carrier by the dryer, general need within the gas cyclone brought down trapping materials(heat carrier are generally divided into hot air, flue gas and so on). For further reduction of exhaust gas dust content, but also through the bag dust collector and wet dust emissions after the release.
(圖/文http://www.ybkq.com.cn/)
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