Apparatus for supllying a purified gas used for purging an installation

摘要

the invention relates to a device (1) for supplying a purified gas to a plant (3) served with the purified gas, comprising a supply line (5) connected to a source (7) of almost pure gas and, on the other hand, an entry of that installation (3), the said gas be contaminated impurities removed while passing through the said installation (3).the device also includes a pipe (9) of the contaminated gas recovery at the exit of the installation (3), connected to the supply line (5), arranged one after the other downstream of the connection of the pipe (9) to recover the supply line (5).a compressor (11), and means (13) for gas separation by permeation of the impurity contamination of clean gas to provide the installation (3).