METHOD OF AND DEVICE FOR CLEANING OF GASES Russian patent published in 1999 - IPC

FIELD: civil engineering and other industries. SUBSTANCE: device is designed for cleaning gases from dust and harmful gaseous compounds by passing gases to be cleaned through flow of loose filtering material moving under gravity. Gas is passed through vertically directed layers of loose filtering material moving in waves. Size of material particles in layers is different. Device has housing with gas inlet and outlet branch pipes and filtering grainy material, dust outlet branch pipe, unions to deliver vapors of reactive substances, and vibrosieves. System of louvered members is arranged inside housing. This system ensures wavy movement of freely passing layers of filtering grainy material. EFFECT: provision of high efficiency of cleaning. 3 cl, 2 dwg