Patent ID: 9089811
Filing Date: 2015-07-28
Classification: B01D,F23D,F23G,F23J

Abstract:
1. A treatment module for use in an abatement system for process exhaust gases comprising: a containment vessel containing a flame wall oxidizer module, said flame wall oxidizer module provided with a waste process gas conduit with an open terminal end that is surrounded by a fuel ring capable of emitting a cylinder of fuel gas around the open terminal end of the waste process gas conduit, said open terminal end of said waste process gas conduit extending beyond the fuel ring and the fuel ring oriented so that process exhaust gases that exit the open terminal end of the waste process gas conduit are surrounded by the cylinder of fuel gas exiting the fuel ring and the exhaust gases travel within the cylinder of fuel gas a short distance before they oxidize to form an oxidation products stream, an inner coaxial cylinder surrounding the flame wall oxidizer module, water spray nozzles provided in said inner coaxial cylinder and oriented so that they spray water in a direction concurrent with the oxidation products stream that exits from the flame wall oxidizer module, an outer coaxial cylinder surrounding the inner coaxial cylinder, and water spray nozzles provided in said outer coaxial cylinder and oriented so that they spray water in a direction counter-current to the oxidation products stream that reversed its direction of flow after exiting the inner coaxial cylinder.