This product is the mainly equipment for the water adjustment of wheat in the cleaning process .It can make wheat moisture uniformity, enhance the toughness of wheat bran,reduce the adhesion of bran and endosperm. So It is beneficial to improve the grinding efficiency, the rate of milling and flour fineness.The machine has the advantages of high yield,large amount of water,uniform water,stable and reliable and lower wheat fragmentation rate.It achieve great effect with auto dampener.