Gas scrubber with moisture eliminator

Claim 1

A gas scrubber comprising a vessel, a tube mounted in said vessel and having an open end communicating with the inside of the vessel, dirty gas inlet means communicating with said tube, clean gas outlet means communicating with said vessel and separated from direct communication with said dirty gas inlet means, said vessel defining a settling basin below the open end of said tube, an atomizing nozzle, means for supplying scrubbing liquid to the atomizing nozzle, said nozzle being positioned for discharging scrubbing liquid into the tube whereby dirty gas enters said tube and passes downwardly therethrough and is contacted by scrubbing liquid discharged from said atomizing nozzle and is thereby cleaned and passes out of said vessel through said clean gas outlet means, the improvement comprising moisture eliminator means mounted in said vessel outside of said tube and in the gas flow path between the open end of said tube and the clean gas outlet means, said moisture eliminator means including an open ended toroidal cylinder having solid walls and at least one vane mounted within the walls thereof for imparting a spiral motion to the clean gas, the top of said toroidal cylinder being spaced from the clean gas outlet means, said vessel between said moisture eliminator means and said clean gas outlet means being dimensioned so that the velocity of clean gas between the moisture eliminator means and said clean gas outlet means does not exceed approximately 1000 feet per minute.