Renewal of Gravitational Drainage type Wheeler Filter nozzles with self-cleaning Continuous Slot, while retaining the same Slab Structural Fund of Burkina Faso and Civil Works.

摘要

p This Utility Model proposes replacing the drainage type Wheeler of gravity Filters, nozzles which are installed in the inside of the trunk of existing concrete Pyramid,By means of a threaded Sleeve with internal and external Grooved Surface for Anchoring with mixture of Cement and epoxy adhesion Bridges TradeBeing fixed to the internal walls of the Pyramid Trunk, as well as to pass through the holes in the bottom of each Expanded Trunk pyramidalBut without affecting the Steel reinforcement of the Slab structure. / p