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Class 432/107 - And having externally heated drum surface or indirect heating flue


Subclass of Class 432 - Heating
Definition: Apparatus in which the exterior surface of the drum is heated
No. of patents: 69
Last issue date: 03/04/2008


1    
NumberTitleIssue Date
7338629Integrated metal processing facility
A system and method for forming and heat treating a metal casting are provided. ...
03/04/2008
7331374Method and apparatus for assisting removal of sand moldings from castings
Disclosed is a method for dislodging a mold from a casting formed within the mold. The mold may be removed from the casting by scoring the mold and applying a force sufficient to cause the mold to fracture and break into pieces. Additionally, the mold may be fractur...
02/19/2008
7290583Methods and apparatus for heat treatment and sand removal for castings
A system and method for heat treating castings and removing sand cores therefrom. The castings are initially located in indexed positions with their x, y, and z coordinates known. The castings are passed through a heat treatment station typically having a series of ...
11/06/2007
7275582Methods and apparatus for heat treatment and sand removal for castings
A system and method for heat treating castings and removing sand cores therefrom. The castings are initially located in indexed positions with their x, y, and z coordinates known. The castings are passed through a heat treatment station typically having a series of ...
10/02/2007
7258755Integrated metal processing facility
An integrated metal processing facility in which molten metal is poured into a series of molds at a pouring station to form metal castings, which are then transferred to a heat treatment line. Prior to introduction of the castings into a heat treatment station of th...
08/21/2007
6910522Methods and apparatus for heat treatment and sand removal for castings
A system and method for heat treating castings and removing sand cores therefrom. The castings are initially located in indexed positions with their x, y, and z coordinates known. The castings are passed through a heat treatment station typically having a series of ...
06/28/2005
6901990Method and system for processing castings
A method and system of processing castings is provided in which one or more castings are deposited into a mobile furnace and moved from one station to another of a multi-station casting processing system. The interior of the mobile furnace is heated so as to maintai...
06/07/2005
6749425Indirect heating furnace
An indirect heating furnace heats a substance in a reaction tube with a high-temperature combustion gas without contact between the substance and the combustion gas. The reaction tube is a stationary ceramic tube. A combustion device for supplying said heating high-...
06/15/2004
6425685Process for reclaiming salvaged asphalt
A process for reclaiming salvaged asphalt includes feeding salvaged asphalt mixed with new sands, stones and tar in a designed proportion into a double-layer drying machine including inner and outer gyroscopic drums; indirectly heating the salvaged asphal...
07/30/2002
6405565Chalcogenide glass tubing fabrication
An apparatus and process for fabricating tubing used in the making of chalcogenide fibers. The apparatus features a three-sectioned melt/spin ampoule that allows for fabricating the chalcogenide tubing without introducing impurities and contaminants, in a...
06/18/2002
6379610Apparatus and process for treating a particulate material within a rotating retort
Apparatus (1) and process for treating particulate material or powder (33) of a size capable of being fluidized in a retort (31) mounted for rotation on a pair of end axles (18, 41). Retort (31) is mounted on a tilt frame (5) for tilting movement in a ver...
04/30/2002
6368555Method for treating contaminated material, specifically infected material
The invention relates to a method and device for treating contaminated materials, specially infected materials, which are fed to endless screws (5, 12) via a feed hopper (2) and are heated, disinfected or sterilized in addition to being discharged through...
04/09/2002
6244859Rotary kiln
A rotary kiln (1) is equipped with a horizontal kiln drum (3), arranged rotatable and drivable in a furnace body (2), which kiln drum is closed at the charging and delivery side by end plates (4, 5) forming central charging or delivery openings (6, 7), re...
06/12/2001
6042370Graphite rotary tube furnace
A rotary tube furnace suitable for operation in controlled atmospheres at temperatures in the range of 1500° to 2800° comprises a generally horizontal rotatable graphite tube slidably supported on water-cooled split ring graphite bearings. The graphite ...
03/28/2000
6027338Furnace and method for firing ceramics
A furnace for manufacturing ceramics is disclosed. The furnace contains a cylindrical heat resistant container, a furnace body for heating the cylindrical heat resistant container, and driving means for driving the cylindrical heat resistant container. Th...
02/22/2000
5997288Apparatus for thermal removal of surface and inherent moisture and limiting rehydration in high moisture coals
A flighted, horizontally inclined rotary retort, heated externally by flame, hot gases, steam or other sources of heat. The retort shall have sufficient flight area to transport the coal through the retort in the predetermined time. The coal being process...
12/07/1999
5913677Carbon reactivation apparatus
A carbon reactivation apparatus has a fossil fuel kiln adjacent to a rotary dryer and flue gas from the kiln flows through the dryer co-currently with carbon particles to provide a more efficient process than previously known. The apparatus has a rotary k...
06/22/1999
5908291Continuous cross-flow rotary kiln
A direct heat rotary calciner and method for providing improved thermal treatment of particulate material comprises a rotary tube having a plurality of screened apertures along the length thereof. Material to be treated is passed through the rotating tube...
06/01/1999
5904105Device for combustion of moist fuel
A device for combustion of moist fuel includes a combustion chamber with a moving fire grate disposed at a bottom portion thereof and a drum dryer located within the combustion chamber above the fire grate. The dryer drum rotates and includes therein an i...
05/18/1999
5788481Carbon reactivation apparatus
A carbon reactivation apparatus has a fossil fuel kiln adjacent to a rotary dryer and flue gas from the kiln flows through the dryer co-currently with carbon particles to provide a more efficient process than previously known. The apparatus has a rotary k...
08/04/1998
5716205Rotatable heating chamber for solid material
A heating chamber for solid material, preferably a low-temperature carbonization drum for waste, is rotatable about its longitudinal axis and is equipped with a number of heating tubes that are disposed in an interior space and are aligned approximately p...
02/10/1998
5688117Rotatable heating chamber with internal tubes for waste
A low-temperature carbonization drum for waste includes many heating tubes located in the interior. The tubes are each secured by one end to a first end plate and by the other end to a second end plate. At least one support location for supporting the hea...
11/18/1997
5673748Heating chamber for solid material
A heating chamber is rotatable about its longitudinal axis and contains a number of heating tubes orientated parallel to each other. Solid material which is lifted up during the rotation can become detached from the heating tubes and upon impact can lead ...
10/07/1997
5596935System for and method of soil remediation and hot mix asphalt production
A combined soil remediation and HMA plant is provided having a rotary dryer, a rotary soil incinerator, and a refractory lined duct connecting the incinerator to the dryer and serving as a conduit via which hot gases, forming the primary and possibly sole...
01/28/1997
5562053Tunnel incinerator
A tunnel type incinerator with cylindrical inner and outer barrels which are rotated in opposite directions relative to each other. A large number of crushing blades or protrusions are disposed and engaged with each other in a spiral shape on the wall of ...
10/08/1996
5393225Rotating tube heat treatment installation, in particular rotating tubular kiln, with indirect heat feed or dissipation
A rotating tube heat treatment installation, for example a rotating tubular kiln for the thermal splitting of MgSO3, or a slag cooler for the separation of salts and aluminum, comprises as the main replaceable component, a rotating tube (1) whi...
02/28/1995
5305533Combined direct and indirect rotary dryer with reclaimer
Both indirect and counterflow direct heating are utilized in a dryer to achieve improved efficiency with a reduced tendency to char or damage the treated material. A horizontal drum has a first segment of aluminum and a second section of stainless steel a...
04/26/1994
5244274Garbage processing vehicle
A garbage processing vehicle includes a rotational fermentation drum device which is disposed on a loading platform of a vehicle, for mixing garbage with aerobic microorganisms and air in a rotational drum and providing conditions favorable to fermentatio...
09/14/1993
5224432Method for retorting organic matter
A method of retorting organic matter including the steps of advancing the organic matter through a chamber in the absence of oxygen, sensing the temperature in the chamber at a plurality of locations along the length of the chamber, individually adjusting...
07/06/1993
5103743Method and apparatus for drying solid material
A method and apparatus for drying solids such as bark, peat, wet coal or the like utilizes waste heat recovered from a rotary kiln. Solids are dried by simultaneously using both the radiation heat of the shell surface of the kiln and the heat of hot flue ...
04/14/1992
5096415Reaction furnace
A reaction furnace includes a rotating core within a heated shell, the core and shell defining an active annular zone. An interrupted helical screw carried by the core conveys material from an inlet at one end of the zone to an outlet at the opposite end ...
03/17/1992
5042171Clothes dryer
A clothes dryer equipped with a condensation unit (23, 38, 73) in which the cooling water that is fed is brought into direct contact with the humid air to dehumidify the humid air. The condensation unit (23, 38, 73) of the clothes dryer comprises a first ...
08/27/1991
5037620Preparation of anhydrous sodium dichromate flakes
A new anhydrous sodium dichromate in flakes, Na2 Cr2 O7, m.p. 356° C. (dec. 400° C.) is described, characterized in that it comes in flakes with an area of approx. 1 cm2, thickness 0.5 mm and apparent specific...
08/06/1991
4993943Apparatus and method for the removal of higher and lower volatility organic contaminants from soil
An apparatus for the removal of higher and lower volatility organic contaminants from media such as soil including an externally heated screw conveyor having an inlet, an outlet and one or more solid core flights, means for collecting and delivering media...
02/19/1991
4988289Reaction furnace
A reaction furnace includes a rotating core within a heated shell, the core and shell defining an active annular zone. An interrupted helical screw carried by the core conveys material from an inlet at one end of the zone to an outlet at the opposite end ...
01/29/1991
4978294External heating rotary furnace
This invention aims to offer an external heating rotary furnace for indirectly heating materials such as ore, coke, etc. which are liable to be oxidized, by insulating then from an oxidixing combustion gas atmosphere. The furnace comprises the following m...
12/18/1990
4870911Apparatus for waste disposal and method
An incinerator pyrolyzer for continuously burning waste material characterized by a rotating kiln within a furnace chamber for incinerating waste material passing through the kiln. The kiln includes means for introducing reactants for chemically changing ...
10/03/1989
4836775Air cooled rotary kiln collar
An air cooled rotary kiln collar for use in improving the delivery of preheated charge material from the rotary kiln to the second stage of a multi-stage heating process. Adjustable rate fans circulate air through an annular collar at the discharge end of...
06/06/1989
4784604Air pulsation for combustors
A combustor for burning MSW (municipal solid waste) having a porous wall drum in which burning takes place with combustion air supplied from outside of the drum, in which air driven through the drum into the material being burned is supplied in pulses....
11/15/1988
4781580Indirectly heated rotary tubular kiln
In a rotary tubular kiln for carrying out gas-solids reactions, comprising an indirectly heated, rotatable reaction tube with inner baffles which is provided with charging and removing devices for solid and gas inlet and outlet lines, the improvement whic...
11/01/1988
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