TFXH系列循环风选取器主要用于粮食储藏、面粉、饮料加工、医药、油脂、食品、酿造等行业的颗粒物料清理。该机可将谷物中低密度杂质与颗粒物质（如小麦、大麦、稻谷、油料、玉米等）分离。该机采用闭路循环风的形式，本身具有除尘降尘的功能。不但节省了其它除尘设备，而且不与外界进行气体交换，因而，可以避免能量的损失，不污染环境。
　　 Selt-circle Aspirators in series Model TFXH are used to grain reserve and granule materials clearing in flourmills,feed mills,medicine,oil mills, food and brew. They separate low-density materials from granule materials(e.g.wheat,barley,corn,oil-bearing crops,maize). They adopt self-cirle enclose unit and has the function of removing dust.They offer advantages such as low energy consumption and no pollution.