Patent ID: 8491757
Filing Date: 2013-07-23
Classification: C10B,Y10T

Abstract:
1. A coke oven offtake piping system comprising: a pipe assembly for conveying coke oven gases from a coke oven to a collecting main; at least one spraying nozzle in said pipe assembly; said pipe assembly comprising a discharge section with a discharge pipe having a discharge orifice; and a gate member cooperating with said discharge orifice, said gate member being movable along said discharge orifice in order to present a closing surface to the extremity of said discharge pipe, whereby the opening area of said discharge orifice can be varied for controlling the flow rate to said collecting main; wherein that said gate member is a spherical cap with a concave closing surface, said gate member configured to pivot around a pivoting axis to expose said discharge orifice and to cover said discharge orifice, respectively.