Pre -heater

The utility model discloses a pre -heater, including the inside casing and the honeycomb duct of setting at the heating intracavity that is provided with the heating chamber, the honeycomb duct is snake -shaped structure, the casing lateral wall is close to diapire department and is provided with the feed liquor pipe, is provided with the drain pipe on the roof, the honeycomb duct bottom is provided with feed inlet, and the top is provided with silo outlet. The utility model discloses effectively solve the raw materials and preheated insufficient problem, guaranteed the normal clear of production. 本实用新型公开了种预热器，包括内部设置有加热腔的壳体和设置在加热腔内的导流管，所述导流管为蛇形结构，所述壳体侧壁靠近底壁处设置有进液管，顶壁上设置有出液管；所述导流管底端设置有原料入口，顶端设置有原料出口。本实用新型有效解决了原料预热不充分的问题，保证了生产的正常进行。