Biogas reservoir AB Cover

flexiblepressureconcrete

AB Cover Durable cover and gasholder The Air Blown Cover is an innovative double membrane roof with a relatively large, variable gas-storage volume, for biogas installations and other purposes. Its shape and membrane pressure mean that weather influences have little effect on the AB Cover. Advantages -Gas storage volume at ø 25m is about 230% larger than in conventional designs -Lower membrane foil has 35% lower gas permeability -Easy accessibility for maintenance and overhaul activities -Lower silo load due to hemispherical construction -Low wind sensitivity and lower chance of snow accumulation due to stable construction -No condensed, corrosive liquid on the silo walls Durable cover and gasholder Thanks to the high chemical resistance and mechanical strength of the foils, the ab cover satisfies the highest quality standards. New cutting and welding procedures enable the covers to better absorb the biaxial forces exerted on them, and the hemispherical construction ensures low silo wall loading. The AB Cover is a double membrane cover, in which the outer cover is always pressurised. As a result, rain, snow and wind have little impact on it. The AB Cover has a huge advantage over silo roofs due to its widely variable gas storage capacity and its ability to function as a cover for a digester or secondary digester, to temporarily collect gas. Of course the AB Cover conforms to all local and European environmental legislation.