Modular industrial oxygen concentrator

Claim 1

A modular pressure swing tonnage absorption apparatus for separating mixtures of gases into component parts, said apparatus being made substantially entirely of a plurality of pre-fabricated modules comprising; a first module including at least one gas absorption means for effecting the gas separation; a second module including a surge tank for collecting one component gas separated out of said gas mixture by said first module; a third module including means for delivering the gas mixture to said first module and for conducting waste gas away from said first module; a fourth module including means for transferring said one component gas away from said first module to said second module, and for directing gas to said first module for purging said first module; electrically operated control means associated with at least one of said first through fourth modules; means for pneumatically, electrically and mechanically interconnecting said first, second, third and fourth modules and said electrically operated control means, whereby said apparatus may be moved as individual modules to or from a site for PSA use, and assembled on-site by mechanically, pneumatically and electrically interconnecting said components, to thereby produce a relatively large such unit adapted to produce relatively large quantities said one component gas; said means mechanically interconnecting said modules comprising flange means, and said first, second, third and fourth modules being of dimensions sufficient to handle large enough quantities of said mixtures of gases to produce said large quantities of said one component of said gas on the order of tons per day of said one component gas.