| Message: | Single pass dryer, also known as rotary drum dryer, are in wide use and have a long proven history in many industries and is widely used drying machine of many industries such as engineered wood and composite panel industry, biomass, sludge, mineral, building materials, metallurgy, chemicals, slag, cement, limestone, coal, clay and other materials. The simple construction combines flexibility with reliability, enabling the dryer to handle a vast range of materials and to operate continuously under the most arduous conditions.
In single pass dryer, wet materials is mixed directly with hot air inside the rotating insulated drum. The wet materials and hot air normally flow concurrently through the dryer so the hottest gases come in contact with the wettest material. The exhaust gases leaving the dryer may pass through a cyclone, multi-cyclone, bughouse filter, scrubber, ESP or WESP to remove any fine material entrained in the air. An ID fan is usually placed after the emissions control equipment to reduce erosion of the fan, but may also be placed before the first cyclone to provide the pressure drop through downstream equipment. |
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