蛛网状的
1.Better effect of the dust cleaning has been obtained at flocculation agent and form coagulant aids are added to the powder，which makes a part of fine particulates of the blasting fume sole "join" each other and flocculate and colloids spider webs which combining with the produced foam viscosity forms a big net of catching dust .And the net will coth the remaining fine particulates according to the principles of colloid unstability and characters of the blasting fume aerocolloid .All the processes of catching dust are completed automatically inside the blasting fume.3figs.,1tab.,18refs.
