Cold zinc spraying preliminary treatment interface ring prestressing force steel cylinder cement pipe of zinc shield

The utility model provides a cold zinc spraying preliminary treatment interface ring prestressing force steel cylinder cement pipe of zinc shield belongs to the tubular product field, including the steel cylinder. The inboard and the outside of steel cylinder are provided with interior concrete layer and outer concrete layer respectively, and outer concrete layer external spiral is around being equipped with prestressed wire, and prestressed wire's the outside is provided with external coating. The steel cylinder includes barrel and interface ring, and the interface ring is including setting up respectively in the bellmouth ring sum socket ring at barrel both ends, and the anchor is on bellmouth ring sum socket ring respectively at prestressed wire's both ends, and the lateral wall of the inside wall of bellmouth ring and socket ring all is provided with the cold zinc spraying layer of zinc shield. The utility model provides a cold zinc spraying preliminary treatment interface ring prestressing force steel cylinder cement pipe of zinc shield's bellmouth ring and socket ring are provided with the cold zinc spraying layer of zinc shield, have improved the non -corrosibility ability of tubular product, and the interface ring of being convenient for carries out the cold zinc spraying preliminary treatment of zinc shield before the equipment, reduce tubular product carries out the interface ring specially before dispatching from the factory preservative process, has improved production efficiency, has reduced environmental pollution.