Industrial electric heating furnaces inventions 03/07

20070064762 - System and method of optimizing raw material and fuel rates for cement kiln: A system and method of determining clinker composition and optimizing raw material and fuel feed rates for a cement kiln plant is provided. Raw material data, fuel data, clinker kiln dust data, and emissions data are received. At least one of a raw material feed rate, a fuel feed rate,... Agent: Harness, Dickey & Pierce, P.L.C

20070064763 - Glass melt electrode and method for melting glass or glass ceramic: At least two electrodes are mounted in a wall of a melting furnace for melting glass or glass ceramics to supply electric current for additional heating of the melt. Each electrode includes a first section with a heating element and a second section with a cooling device. The first section... Agent: Striker, Striker & Stenby

20070064764 - Method and furnace for electrical calcination enabling utilization of volatile matters: A method and a furnace for electrical calcination enables utilization of volatile matters of petroleum coke or anthracite during electrical calcination, i.e. conventional calcination or semi-graphitization. The furnace includes an anode, a cathode, and a furnace body. The furnace body includes an annular inner wall, an annular fume duct disposed... Agent: Carlson, Gaskey & Olds, P.C.

20070058689 - Furnace panel: A water-cooled, bi-metal copper and steel furnace panel including one or more passageways for enabling gaseous and/or particulate matter to be discharged into a furnace vessel through the panel. The passageways may support metal treatment apparatus. The panel has a front plate made of copper and a rear plate made... Agent: John F. Letchford

20070047612 - Pulse width modulated power inverter output control: A method is provided for output control of a pulse width modulated power inverter used with a substantially resistive, single phase, ac load such as an electro-slag remelting furnace. In one application of the method, during each of the inverter's half cycle outputs, active switching devices are alternatively pulsed on... Agent: Philip O. Post Indel, Inc.

20070047613 - Locking ring for graphite electrodes having friction layer: An electrode joint is presented, the joint including two joined graphite electrodes and having a locking ring interposed between the electrodes, the locking ring composed of a material having an oxidation rate equal to or less than that of the electrodes. The locking ring has a friction layer on at... Agent: Waddey & Patterson, P.C.