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Class 266/213 - Revolving drum-type furnace


Subclass of Class 266 - Metallurgical apparatus
Definition: Device wherein the vessel is mounted to be turned about
No. of patents: 33
Last issue date: 10/05/2010


NumberTitleIssue Date
7807097Orbital fabrication of aluminum foam and apparatus therefore
A process for producing foamed aluminum in space comprising the steps of: heating aluminum until it is molten; applying the force of gravity to the molten aluminum; injecting gas into the molten aluminum to produce molten foamed aluminum; and allowing the molten foa...
10/05/2010
6803017Powder homogenizing apparatus, its use, and a homogenizing method using said apparatus
The powder homogenizing apparatus of the invention comprises a cylindrical shell with a circular section and a substantially horizontal axis, an assembly of cylindrical drums disposed inside the shell and comprising an inner drum and an outer drum, the external face...
10/12/2004
6676888Swivel base tilting rotary furnace
A method of, and apparatus for, recycling a metal by melting it to remove it from metal-containing scrap through the use of a tiltable, swivel rotary furnace, which is swiveled to a first station for receiving metal-containing scrap, tilted back and rotat...
01/13/2004
6669895Tilting rotary furnace system for recovery of non-ferrous metals from scrap or dross and method of operation
A furnace system for recovering a non-ferrous metal from a charge of material containing the metal. The furnace system has a furnace chamber having walls defining a refractory chamber, the refractory chamber receiving the charge of material and the metal ...
12/30/2003
6395221Tilting rotary furnace system for recovery of non-ferrous metals from scrap or dross and method of operation
A furnace system for recovering a non-ferrous metal from a charge of material containing the metal. The furnace system having a furnace chamber having walls defining a refractory chamber, the refractory chamber receiving the charge of material and the met...
05/28/2002
6149859Gasification plant for direct reduction reactors
The present invention is an integrated process and apparatus for supplying at least a portion of the reducing gas feedstock to a reduction reactor, such as a reactor for the direct reduction of iron, wherein the reducing gas contacts a feed material at a ...
11/21/2000
6039786Process for melting a metal charge in a rotary furnace and rotary furnace for implementing such a process
Process for melting a metal charge in a rotary furnace equipped with at least one oxygen burner, comprising the steps of: (i) adding between 1.5 and 9% of a charge of solid fuel to the metal charge to form a combined charge; and (ii) injecting at least one jet...
03/21/2000
5783142Kiln system for treatment of reactive fines
A kiln system for a process for treatment of aluminum dross residue (NMP) having available aluminum nitride (AlN) and/or free aluminum (Al) and/or aluminum chlorides (AlCl3) having a particle size within the range of 0.3 to 300 microns, i.e., "...
07/21/1998
5688470Apparatus for recovery of non-ferrous metals from scrap and dross
A process and apparatus are disclosed for recovering a non-ferrous metal, preferably aluminum and aluminum alloys, in molten coherent form from a charge of material to be processed containing the metal. The charge is introduced into a sealable furnace whi...
11/18/1997
5616296Waste management facility
An industrial waste management facility (IWMF) for disposing of spent potlining includes a co-current gas-fired rotary kiln for containing a molten pool of spent potlining throughout the entire length of the rotary kiln from the inlet to the outlet, an as...
04/01/1997
5421850Method and apparatus for recovery of non-ferrous metals from dross
A method and apparatus for treating non-ferrous metal drosses in order to recover the free metal contained therein. The dross is heated by a plasma torch in a rotary furnace, preferably to a temperature above 800° C. The plasma heating and rotary motion ...
06/06/1995
5398915Apparatus for continuous copper smelting
There is disclosed an apparatus for smelting copper which includes a smelting furnace, a separating furnace, a converting furnace, and launders connecting these furnaces in series. In the smelting furnace, copper concentrate is melted and oxidized to prod...
03/21/1995
5382002Apparatus for heat treating a particulate material
An apparatus for heat treating particulate material containing a combustible contaminant. The particulate material is fed into the upstream end of a rotary drum and is conveyed toward the downstream end of the drum. A fixed first tubular member is dispose...
01/17/1995
5320799Apparatus for continuous copper smelting
There is disclosed an apparatus for smelting copper which includes a smelting furnace, a separating furnace, a converting furnace, and launders connecting these furnaces in series. In the smelting furnace, copper concentrate is melted and oxidized to prod...
06/14/1994
5163997High-production rotary furnace steelmaking
The invention is a process for steelmaking in a rotary furnace from a solid metallic charge adapted to realize greatly increased heat transfer and melting rates and thereby greater steel production. A hot liquid metal bath is maintained over the length of...
11/17/1992
4952237Method and apparatus for recovery of non-ferrous metals from dross
A method and apparatus for treating non-ferrous metal drosses in order to recover the free metal contained therein. The dross is heated by a plasma torch in a rotary furnace, preferably to a temperature above 800° C. The plasma heating and rotary motion ...
08/28/1990
4697792Melting furnace
A melting furnace has a drum rotating in operating position about an approximately horizontally arranged axis of rotation and being provided within the area of the rear end with a burner and with a discharge opening and comprising within the area of the o...
10/06/1987
4654068Apparatus and method for ablating liquefaction of materials
Converting thermally meltable materials to a liquefied state is carried out on a lining of pulverulent material. As liquefied material is drained from the surface, additional unmelted material is fed onto the surface to maintain the lining substantially i...
03/31/1987
4564379Method for ablating liquefaction of materials
Converting thermally meltable materials to a liquefied state is carried out on a lining of pulverulent material. As liquefied material is drained from the surface, additional unmelted material is fed onto the surface to maintain the lining substantially i...
01/14/1986
4559071Ablating liquefaction method
Converting thermally meltable materials to a liquefied state is carried out on a support surface of the unmelted material. As liquefied material is drained from the surface, additional unmelted material is fed onto the surface to maintain a substantially ...
12/17/1985
4545798Ablating liquefaction employing plasma
Converting thermally meltable materials to a liquefied state is carried out by a plasma heat source encircled by a layer of the unmelted material. As liquefied material is drained from the surface, additional unmelted material is fed onto the surface to m...
10/08/1985
4529428Method and apparatus for feeding an ablation liquefaction process
In a method and apparatus for melting pulverulent material such as glass batch wherein liquefaction takes place on a stable layer of pulverulent material, adjustable means are provided for feeding the material in a controlled manner onto the active meltin...
07/16/1985
4521238Method and apparatus for controlling an ablation liquefaction process
Process control method and apparatus for an ablation liquefaction chamber including primary and secondary burners positioned to direct a primary combustion flame for electively heating portions of the chamber interior for control of product temperature an...
06/04/1985
4521235Method and apparatus for controlling wall layer thickness in a liquefaction process
In a process for liquefying glass batch and the like, wherein a layer of batch is maintained as a lining in the liquefaction vessel, the thickness of the lining is monitored by measuring the temperature in a region facing an end portion of the lining. Pre...
06/04/1985
4418892Aluminum furnace skim recovery system
A reclaiming method and apparatus for reclaiming aluminum from the skim recovered from an aluminum furnace by a highly mechanized method and apparatus....
12/06/1983
4415360Method for working-up metal-containing waste products
The invention relates to a method for converting metal-containing waste material having substantial quantities of organic constituents, such as plastics, rubber, paper and greases, to a product from which metal can readily be recovered. The waste material...
11/15/1983
4385748Rotary steel converter
A converter vessel is coaxially surrounded by a trunnion ring carried by a pair of trunnions for rotary or tilting motion about a horizontal axis. In order to permit rotation of the vessel relative to the trunnion ring about the vessel axis at right angle...
05/31/1983
4273314Direct reduction rotary kiln with improved air injection
In the direct reduction process for reducing iron ore to sponge iron of the type disclosed in U.S. Pat. No. 3,890,138 to Hockin wherein all of the air supply tubes along the rotary kiln inject air toward the discharge end of the kiln it has been found tha...
06/16/1981
4245821Refining furnace for nonferrous metal
A furnace for the refining of nonferrous metal such as copper comprising a drum structure rotatable about a substantially horizontal axis and formed along the same side of the shell with a tapping box for discharging the molten metal and a slag-dischargin...
01/20/1981
4217462Rotary furnace for the fusion of mineral bearing substances, apparatus and method
Furnace apparatus and method, for the continuous electric heating or fusion of particulate mineral-bearing substances, wherein a cylindrical furnace housing is adapted to trunnion bearing, the housing having at least one detachable and elongated conical e...
08/12/1980
4175732Melting of fine particulate material in a high-speed rotary furnace
Finely divided particulate material is discharged against the incandescent wall of a rotary furnace through a pipe extending into the open end of the furnace in a position where the material is out of the path of the flame projected into the furnace throu...
11/27/1979
4013278Portable thermal metal refining apparatus
A portable highly versatile thermal metal refining apparatus for selectively reclaiming metals from a mixed or combined load of materials having varied melting temperatures. A refining chamber cylindrically shaped about a central axis having oppositely di...
03/22/1977
4005856Process for continuous smelting and converting of copper concentrates
An apparatus for the continuous smelting and converting of copper containing concentrates to copper or matte involves charging concentrates into a reactor which is maintained at a temperature at which a molten bath of slag, matte and metallic copper is fo...
02/01/1977
 
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