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Match Document Document Title
8056255 Manure removal and drying system  
A manure removal and drying system is used in an agricultural setting. The system includes a static pressure control system for regulating an amount of static pressure in a high pressure area of...
7993048 Rotary thermal recycling system  
A Rotary thermal processor for particulate materials has a rotating drum and a rotating hollow auger. A stationary cylindrical oven with stationary coils surrounds the rotating drum. Hot gas heats...
7758235 Recycled asphalt pavement (RAP) preparation system  
Thermal processing of recycled asphalt pavement (RAP), having up to approximately 8% or more moisture content, dries and preheats the material to enhance efficient recycling in a hot mix asphalt...
7384181 Milled asphalt pavement recycling  
A milled materials processor consists of a self contained, stationary or fully mobile thermal process plant for the thermal processing of 100% recycled asphalt pavement into new hot mix paving...
6926522 Method and apparatus for preheating particulate material  
An apparatus for preheating particulate material in which the particulate material is transferred from one or more upper storage bins to a circular lower chamber that has an outer, essentially...
6910882 Vertical conveyor apparatus for high temperature continuous processing of materials  
The invention comprises, in one form thereof, a continuous processing apparatus for high temperature thermal treatment of granular materials. The apparatus includes a vertical conveyor means with...
6802710 Multiple hearth furnace  
A multiple hearth furnace includes an upright cylindrical furnace housing divided into a plurality of vertically aligned hearth chambers. A cleaning lance inlet port is sealingly connected to the...
6511316 Method of operating a rotary hearth furnace  
To provide an operating method of a rotary hearth furnace for producing reduced iron in which a stuck substance stuck on the hearth surface is removed from the hearth surface to thereby prevent or...
6368104 Rotary hearth furnace  
An improved rotary hearth furnace having a cylindrical enclosure containing a radially moving belt for transporting pellets containing metal oxide and carbon is disclosed. One or more oxy-fuel...
6210155 Charging device for a rotary hearth furnace  
The invention relates to a charging device for creating superimposed layers of fine-grained bulk material on a rotating hearth (2). For each layer of bulk material to be charged, said charging...
6152729 Spray cooled furnace discharge assembly  
A discharge assembly for removing material from a hearth in a rotary hearth furnace including a discharge auger and a coolant spray. The discharge auger is positioned above the hearth of the rotary...
5924861 Furnace discharge assembly  
A discharge assembly for removing material from a hearth in a rotary hearth furnace. The discharge assembly includes, in combination, a discharge auger and a fluid cooled hood. The discharge auger...
5899688 Rotary hearth furnace  
A rotary furnace for the treatment of minerals, includes an annular chamber provided with a material feeder apparatus and discharge apparatus for the material, disposed adjacent one another in a...
5868566 Sealed and zone rotary grate convection solids processing apparatus  
A rotary hearth furnace includes a base having a plurality of first plenums, an upper chamber having a plurality of second plenums and a hearth rotatable between the base and the upper chamber and...
5810580 Mixing rabble for a rotary hearth furnace  
A rotary hearth furnace has a mixing rabble arrangement that includes a first rabble disposed upstream a flow of material on the hearth and a second rabble disposed downstream a flow of material on...
5769627 Vertical type calcination kiln  
A storage device 23 for storing a raw material to be calcined is provided at a position above a kiln cover 1, and the storage device 23 is connected to a preheating space 22 in such a manner as to...
5614016 Method and plant for manufacturing cement clinker  
A method and plant for burning sludge or filter cakes during the cement clinker manufacture where the cement is manufactured in known manner by the cement raw meal being preheated, calcined and...
5515793 Incineration furnace  
An incineration furnace for disposal of waste in which substantially complete burning of waste materials is obtained. A stirring member is rotatably supported in the interior of an incinerator...
5316471 Method and apparatus for mass transfer in multiple hearth funaces  
An apparatus for improving mass transfer in a multiple hearth furnace has a plurality of risers adjacent the furnace center shaft which are in fluid communication with a source of treatment fluid....
5312246 Heating and conveying apparatus  
An apparatus for heating and conveying a granular material is disclosed, and which comprises an elongate trough, and a framework mounting a plurality of transverse blades mounted above the trough....
5173047 Shrouded rabbles for use in rotary hearth furnaces  
A shrouded rabble includes a blade having an active face and a backface with a shroud extending from the backface along a lower edge of the blade. The rabble is suspended above a perforated hearth...
5169307 Process and apparatus for producing small particle lightweight aggregate  
A process for producing micropellets of lightweight aggregate having a substantially spheroidal configuration which includes continuously mixing ceramic clay and liquid in a high speed rotating pin...
5144108 Kiln for producing litharge by means of the calcination of massicot  
The kiln (1) for producing litharge has a thermally insulated tubular body (2) containing, throughout its length, a shaft (30) with paddles acting as an auger. The tubular body (2) is coaxial with...
5080025 Cocurrent oxidation method in a multiple hearth furnace  
A method of oxidizing feed materials using a multiple hearth furnace comprises the steps of introducing the feed materials to be oxidized on at least the uppermost hearth, introducing fuel/air...
RE33776 Apparatus and method for low temperature thermal stripping of volatile organic compounds from soil  
Apparatus and method for removing volatile and semivolatile organic contaminants from natural soil containing moisture by sealing the soil in a stripping conveyor against contact with air and vapor...
5005494 Apparatus and method for high temperature disposal of hazardous waste materials  
An improved method and plasma torch incinerator or reactor in which the incinerator uses a rotating, materials-receiving drum or chamber for receiving the hot plasma of a plasma torch. By properly...
4986750 Furnace  
Disclosed is a furnace in which the inside of the furnace is enclosed by a furnace wall having an inner surface lined with a heat insulating material. Heaters for heating an inside of the upper...
4906183 Treatment of expansible materials to form lightweight aggregate  
Expansion of granular or particulate material is effected by supplying such material, for instance slate chips, at a charging zone CZ of a kiln 10, to the upper surface of a rotating annular hearth...
4834647 Method and apparatus for conveying carbon black which inhibits the build-up of carbon black fines on conveying surfaces  
A method and apparatus for conveying carbon black pellets to avoid breaking up the pellets and inhibit caking on the conveying means which may be a screw type conveyor that is sufficiently heated...
4834650 Sealed rotary hearth furnace with central bearing support  
The furnace has a hearth which rotates inside a stationary closed chamber and is supported therein on vertical cylindrical conduit which extends through the furnace floor and is supported by a...
4818222 Sealed rotary hearth furnace  
The furnace has a hearth which rotates inside a stationary closed chamber and is supported therein on circumferentially spaced rollers the shafts of which extend outside the furnace and are...
4741693 Method and apparatus for calcining material containing volatile constituents  
Bulk materials containing volatile constituents are calcined in a two-stage process comprising a first heating stage at de-volatilizing temperature but below calcining temperature during which the...
4702694 Furnace with modular construction  
A multiple hearth furnace is constructed from a plurality of cylindrical heating chamber modules, connected in a vertical configuration. Each module contains a hollow hearth, which forms a floor in...
4669977 Rotating rabbled roof drying and heating furnace  
Apparatus for drying and heating wet particulate materials comprises a furnace with stationary circular hearth and sidewalls and a rotating roof. The hearth is perforated to receive hot gases from...
4631026 Rotary turntable furnace for litharge production  
A turntable furnace for heating particulate material and which is particularly suited for the industrial production of litharge. The particulate material is heated inside the furnace on a turntable...
4615867 Apparatus for cooking, dehydration and sterilization-drying of organic wastes  
Apparatus for cooking-dehydration and sterilization-drying of organic wastes, comprises a chamber (1) heated by a double walled enclosure (2) that communicates with fire tubes (3), the enclosure...
4606283 System for extracting contaminants and hydrocarbons from cuttings waste in oil well drilling  
A system wherein the contaminated cuttings are fed into the system for eventual incineration. The principal apparatus of the system comprises a plurality, preferably three, of horizontally disposed...
4504222 Screw conveyer and furnace  
A screw conveyer is provided with a heat insulating casing (16) and with a plurality of pipe burners (30) arranged between a perforated bottom plate (17) of the casing and a housing (13) which...
4441880 Drying apparatus  
An apparatus and method for drying organic and other waste materials such as industrial by products, agricultural and animal wastes, blood and manure. A round, flat bottom substantially closed pan...
4432412 Cooling device  
Cooling device for coal dust comprising a housing, a motor-driven conveyor system therein to transport the coal dust over coolable trays in the housing and conveyor-wheel arms of spiral curvature...
4430057 Calciner screw construction  
In a calciner of the type having a radiant heat source and a screw conveyor for advancing material to and through a calcining reaction chamber by means of mated, intermeshing, rotating conveyor...
4400155 Equipment for heating pulverulent products  
Equipment for heating pulverulent products, including a relatively flat, vertically standing vessel for receiving the product, and a rotatable agitator whose axis of rotation is coincident with the...
4260371 Modular heat exchange apparatus  
Modular, conveyor-type heat exchange apparatus is provided which is especially adapted for handling large volumes of shale rock and preheating incoming raw shale using hot, spent shale from a...
4248164 Sludge drying system with sand recycle  
A process and system to dry wet sewage sludge with hot sand and to burn the dried sludge. The sand is heated in a heating device by burning dried sludge, and the hot sand is mixed with wet sludge...
4227873 Kiln with overlying beds  
A novel kiln with overlying beds arranged about a central hollow shaft carrying rabble arms attached thereto and with alternate apertures formed in the floors between adjacent stories adjacent the...
4215981 Heating or combustion apparatus and method  
Furnace apparatus and method used to heat or incinerate materials which are being stirred or rabbled under atmospheres of corrosive gases, and which employs a new material of construction for...
4207061 Top-shaped lime kiln  
In a top-shaped lime kiln which comprises a slowly rotatable platter-shaped kiln bed having a cylindrical calcined lime-cooling chamber extending downward for connection to the central opening of...
4096038 Method and apparatus for operating a calciner under a pressure differential  
Method and apparatus for the heat treatment of volatile containing materials in a rotary hearth type furnace wherein the flue gases emanating from the calciner are employed to create either a...
4059401 Scraper flight conveyor for conveying preheated thermoplastic bulk material to a screw extruder  
A scraper flight conveyor for preheating thermoplastic bulk material and feeding it to a screw extruder comprises a succession of controllably heated slideways arranged in superposed series, a...
4050389 Method and apparatus for incinerating waste material  
A method and apparatus for incinerating waste material in a multiple hearth furnace having a plurality of vertically spaced hearths wherein waste material is introduced to the furnace at the top...
Matches 1 - 50 out of 75 1 2 >