Matches 101 - 150 out of 339 < 1 2 3 4 5 6 7 >
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4415360 Method 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...
4411695 Metallic scrap decontamination process  
In a process for decontaminating contaminated metallic scrap, an oxygen bearing hot gas stream is passed into the inlet end of a container and is discharged from an exit end of the same container....
4408985 Method of fixing hazardous substances in waste foundry sand  
A method is disclosed for fixing certain dangerous substances into recyclable waste foundry sand so that they are less likely to leach out into the environment. The method uses a roasting process...
4392890 Cement clinker production  
Cement clinker is produced from cold, dry, finely divided raw material by causing hot flue gases to flow in a first direction out of a rotary kiln and suspending a major portion of the finely...
4388117 Process and apparatus for producing portland and other hydraulic cements  
A hydraulic cement, such as portland cement, is produced by filling a furnace shell with the desired cement in a powdered condition. By the application of intense heat to the filling a skull is...
4379106 Method of expanding heat expandable thermoplastic elements with steam and a horizontal expander with a feed near the bottom for expanding the heat expandable element  
The steam expander conveys the expanding heat expandable thermoplastic elements along a horizontal axis using a plurality of paddle frames. The paddle frames serve to agitate and tumble the...
4368035 Method and apparatus for heating aggregate  
Method and apparatus for heating aggregate in a system which includes a unit for mixing a stream of fuel and a stream of forced air to form a gaseous combustible fuel mixture, and a blower coupled...
4367096 Method and apparatus for preheating and burning off combustible constituents of raw material oil shale prior to introduction of same into a preheater system supplying a rotary kiln  
The method for processing cement raw meal and oil shale by combining them in a mixture with oil shale kerogen constituting 0.5 to 2% of the mixture by weight. This mixture is supplied to a separate...
4366000 Method and apparatus for preheating dry raw meal prior to introduction of the meal into a suspension cyclone preheater system supplying a rotary kiln  
The method is used in processing raw meal such as cement raw meal, powdered limestone, alumina hydrate or the like, and includes the steps of metering the dry raw meal into a processing system,...
4342554 Production of expanded clay and shale  
In a process and apparatus for producing an expanded particulate product in a rotary tubular kiln presenting an essentially linear product conveying and treating region free of lateral offset, in...
4334859 Method and apparatus for melting matrix materials  
A method and apparatus for economically melting matrix materials, said apparatus comprising a drier, a vertical furnace including a unique arrangement of refractory bars and a rotary kiln and the...
4333611 Process for decomposing cells of biomasses or the like  
The decomposition of cells of biomasses or the like or of substrates containing biomass, e.g. for releasing cell content substances, for separating cell content and cell sheath or for inactivating...
4333766 Calcium process for manufacturing silicate and/or aluminate based products  
A process for manufacturing calcium silicate and/or aluminate based products, such as Portland cement or aluminous cements. The raw material subjected to a first heating step in which it is heated...
4329180 Method and apparatus for calcining fine-grained material and for generating coal dust  
Method and apparatus for calcining fine-grained material such as in the manufacture of cement in which the raw material is subjected to the sequential steps of pre-heating, calcining and sintering....
4326844 Method and apparatus for curing fibrous mineral material  
A method and apparatus for curing fibrous mineral material of the type in which the material containing heat-curable binder is passed through a curing station having a curing element adapted to...
4324391 Pre-heating assembly to be used for pre-heating ingots  
A pre-heating assembly to be used for pre-heating ingots being transported to a melting furnace, which includes an inner cylinder constituting a main passage for exhaust gas discharged from a flue...
4324051 Process and apparatus for recovering heat from finely to coarsely divided material having high temperature  
A process and an apparatus for recovering heat from a finely to coarsely divided hot material, such as carbide crushed on solidification, which contains particles and lumps of varying sizes. The...
4323397 Method and apparatus for the thermal treatment of fine-grained material with hot gases  
Method and apparatus for the thermal treatment of finely divided material for the calcination of cement wherein the material is preheated in a multi-stage heat exchanger and later passed to a...
4318745 Process and plant for producing hydraulic cement  
A pulverized raw mixture is mixed in a vertical calciner with comminuted preheated fuel, which is burned in said vertical calciner to supply heat to said pulverized raw mixture in order to calcine...
4302549 Method of preparing expandable polystyrene  
A process for the expansion of an expandable, polymeric, bead material by exposing the bead material to steam at an elevated temperature, to effect the expansion of the bead material into a...
4299559 Method and apparatus for melting gel-like substances  
A method and apparatus for converting gel-like substances from a gel state to a sol state in which the melting speed can be accurately controlled over a wide range and the apparatus can be easily...
4292024 Method of and apparatus for burning wet lean gas  
An improved method and apparatus for burning leaner lean wet gas wherein the gas is mixed with an oxidant gas and uniformly distributed to the face of a burner assembly composed of a plurality of...
4290749 Perlite expansion process and apparatus therefor  
A process and apparatus therefor are described for the expansion of perlite utilizing vaporized heavy liquid fuel as at least half, and preferably all, of the combustion fuel. In this process...
4287025 Device for solid-state pyrolysis of organic polymeric substances  
The yield of good-quality bodies consisting of vitreous carbon is increased to substantially 100% when the pyrolysis is performed in a reaction vessel in which a collecting container or a...
4274825 Process and apparatus for producing cellulated vitreous refractory material in prescribed shapes and products therefrom  
The apparatus includes a plurality of extruders which feed parallel streams or ribbons of raw material or charge along rollers through successive chambers in a kiln and through an annealing lehr to...
4264299 Process and apparatus for controlling losses in volatile working fluid systems  
A process and apparatus are disclosed for controlling losses in volatile working fluid systems. In accordance with the process, the object upon which a work operation is to be effected is...
4263163 Process for calcining a material  
This invention is directed to a method and an apparatus to heat certain particles. These certain particles are heated to make them more desirable. In the heating of these particles, it is often...
4260368 Process and a device for treatment of biologic fuels  
This invention relates to a process and a device for treatment, comprising at least drying, of preferably peat and the object thereof is reduction of the moisture percentage to the lowest possible...
4259146 Method of heat treating chrysotile asbestos fibres  
Asbestos fibres having excellent properties in resin reinforcement are produced by controlled heat treatment of a coarse fraction of chrysotile asbestos fibres.
4259081 Process of calcining limestone in a rotary kiln  
A process for the calcining of limestone or hydrated lime by thermal treatment thereof with hot gases in a rotary kiln through which the kiln atmosphere and the charge are countercurrently passed,...
4259061 Method of achieving uniform sintering shrinkage in a laminated planar green ceramic substrate and apparatus therefor  
A method of achieving uniform shrinkage of a laminated green ceramic substrate during sintering wherein the substrate is placed on a flat, relatively thick plate of refractory material such as...
4255129 Apparatus and method for processing organic materials into more useful states  
A method for processing various organic materials such as lignocellulosics or biomass into more useful states, such as charcoal, carbon black, and coke, and other processed products while producing...
4249890 Production of heated bituminous mixes  
A process for the production of heated aggregate mix, such as bituminous mix, and a reactor for carrying out the process. In one aspect, the process entails the control of gas flow through a...
4216369 Device for cleaning grease-filled cable stub  
An unsheathed grease-filled cable stub has the grease removed from around the insulated wires by subjecting the cable stub to radiant heat over the length of the stub and over a major portion of...
4208251 Process and apparatus for producing nonaqueous coke slurry and pipeline transport thereof  
A process comprising heating coal in a substantially air-free environment to liberate volatile materials and produce coke, condensing at least some of the volatile materials so liberated to...
4198201 Method of and apparatus for operating industrial furnace systems  
A method and apparatus for operating an industrial furnace system for treng materials is disclosed, characterized in that the heat which is applied to the material to be treated is partially...
4192707 Heat treatment of chrysotile asbestos fibres  
Asbestos fibres having excellent properties in resin reinforcement are produced by controlled heat treatment of a coarse fraction of chrysotile asbestos fibres.
4188184 Continuous processes and equipment for treatment of solid substances  
The present invention relates to a process and equipment for the continuous treatment of solid substances in general, with specific applications for the gasification of coals and shales and direct...
4183725 Method and apparatus for melting glass in burner-heated tanks  
In a method of melting glass in burner-heated glass melting tanks wherein preheated pellets comprised of quartz, sand, sodium carbonate, potassium carbonate, lime, and magnesium oxide ae injected...
4183726 Pyro-processing rotary kiln mixing rod  
A freely rotating rod or rods to be used in a high temperature rotary kiln, especially a cement kiln, to provide a combination of mixing and heat transfer is disclosed. The heat stable construction...
4179264 Method for expanding perlite  
Particulate unexpanded perlite is introduced to an expansion apparatus that utilizes the combustion of a gas as a source of heat. The particulate perlite is mixed with a combustible gas, air from a...
4176010 Method of producing petroleum coke calcinate  
Green petroleum coke is indirectly dried, then calcined in a cylindric rotary kiln and indirectly cooled utilizing a one-way gas flow in the system. Most of the dust in the vapor from the drying...
4174181 Method and apparatus for establishing aggregate cascade zones in an apparatus for producing hot mix asphalt  
An improved method and apparatus for producing hot mix asphalt wherein flights provided in a mixer drum for cascading aggregate and asphalt across the mixer drum are constructed to establish a...
4171200 Process and apparatus for in situ melting of sulphur from solid sulphur storage block  
This invention relates to a method and apparatus for the in situ melting and removal of liquid sulphur from a solid sulphur storage block. The method comprises supplying heat to the storage block...
4168951 Method of sintering and apparatus for carrying out the method  
Agglomerates are fired in a sintering apparatus of the type, in which the agglomerates during transport on a travelling grate in zones along said grate are pre-dried with substantially pure warm...
4140478 Process and apparatus for heating solid materials containing volatile matters  
A process and an apparatus for heating solid materials containing volatile matters. This apparatus includes a heating portion for heating solid materials, and a conveyor portion having a conveyor...
4137263 Process for the evaporation of cyclohexanone oxime  
A process for the evaporation of cyclohexanone oxime, wherein the cyclohexanone oxime is evaporated in the presence of an inert gas at a superatmospheric pressure of at least 300 Torr at 110° to...
4120643 Method of regulating the process of agglomeration of a mineral on an endless chain  
A mineral agglomeration process in which a layer of mineral on an endless conveyor is passed through a firing zone provided with suction windboxes below the conveyor and connected to a common...
4101263 Method for heating nongaseous carbonaceous material  
Nongaseous carbonaceous material is heated by a method comprising introducing tangentially a first stream containing a nongaseous carbonaceous material and carbon monoxide into a reaction zone;...
4059391 Process for producing refractory material  
An improvement in a process for producing refractory material by sintering compacts of particles of a calcined ceramic compound is disclosed. The improvement comprises heating the compacts in a...
Matches 101 - 150 out of 339 < 1 2 3 4 5 6 7 >