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6709637 |
Fume recovery apparatus and methods
Apparatus ( 10 ) for recovering fumes from a roofing kettle ( 12 ) includes a fan ( 72 ) for drawing air from the hollow interior of a housing ( 20 ). A conduit ( 34 ) extends through the housing...
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6706246 |
System and method for the selective catalytic reduction of nitrogen oxide in a gas stream
A system and method for the selective catalytic reduction of nitrogen oxide in a furnace exhaust includes cooling the furnace exhaust in a first heat recovery section to a temperature between 400°...
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6705243 |
Supporting-arch construction and process for producing a supporting arch
A supporting-arch construction having two abutment blocks, one impost, in each case, engaging against each abutment block. Supporting-arch blocks are arranged between the imposts, and are of the...
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6705242 |
Method and apparatus for hermetically sealing openings of an explosion containment chamber
A method and apparatus to hermetically seal openings in an explosion suppression chamber. The present invention utilizes an air lock device to ensure that, in the event toxins are released from the...
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6705241 |
Torispherical dome for refractory vessel
A refractory vessel has a generally cylindrical metal shell and an upper torispherical dome. A refractory liner lines the shell and the dome. A layer of skew blocks are positioned between the...
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6702569 |
Enhancing SNCR-aided combustion with oxygen addition
NOx emissions from combustion are reduced, NOx reduction efficiency by SNCR is improved, and other efficiencies are realized, by injecting oxygen into a fuel-rich combustion zone under controlled...
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6701855 |
Process for the pyrolysis of medical waste and other waste materials
A process for the pyrolysis of waste materials, particularly medical waste, is provided. In the pyrolysis process, waste material is placed in a sealed container. The sealed container is placed in...
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6699031 |
NOx reduction in combustion with concentrated coal streams and oxygen injection
NOx formation in the combustion of solid hydrocarbonaceous fuel such as coal is reduced by obtaining, from the incoming feed stream of fuel solids and air, a stream having a ratio of fuel solids to...
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6699030 |
Combustion in a multiburner furnace with selective flow of oxygen
Improved operational characteristics such as improved fuel efficiency, reduction of NOx formation, reduction of the amount of unburned carbon in the ash, and lessened tendency to corrosion at the...
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6699029 |
Oxygen enhanced switching to combustion of lower rank fuels
A furnace that combusts fuel, such as coal, of a given minimum energy content to obtain a stated minimum amount of energy per unit of time is enabled to combust fuel having a lower energy content,...
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6698365 |
Apparatus for thermal treatment using superheated steam
Material to be treated such as garbage is charged into a first rotary kiln 14 to be mainly dehydrated and charged into a second rotary kiln 18 to be carbonized. The first rotary kiln 14 has a...
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6695953 |
Accelerated methods of oxidizing organic contaminants in aqueous mediums using corona induced reactions and particles therewith
Novel accelerated methods involving corona discharge, and preferably pulsed streamer high voltage corona discharge, in combination with an effective amount of suitable particles to break down...
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6695894 |
Method and apparatus for removing vapor phase contaminants from a flue gas stream
The present invention provides a method and apparatus for removing trace contaminants from a gas stream or flue gas. In one embodiment, the present invention an apparatus for removing a trace...
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6694900 |
Integration of direct combustion with gasification for reduction of NOx emissions
The methods and systems of the present invention reduce NOx emissions in combustion systems, e.g., power plants, boilers, furnaces, incinerators, engines, and any combinations thereof. The...
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6694899 |
Use of expanded agents for minimizing corrosion and build-up of deposits in flue-gas systems
A method for minimizing corrosion and the build-up of deposits on surfaces of a flue-gas system exposed to moist substances and elevated temperatures, and particularly those surfaces which are used...
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6691628 |
Method and apparatus for thermal processing of powder raw materials
In the manufacture of cement clinker from cement raw meal, sulfide-containing raw materials or raw materials with a high TOC (total organic carbon) level can be used for cement manufacture, which...
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6688106 |
Waste processing system and fuel reformer used in the waste processing system
A waste-to-energy incineration system, in which the amount and heat value of exhaust gas largely changes in long and short periods, comprises an incinerator for burning waste, a boiler in the...
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6686556 |
Solid-waste energy plant using catalytic ionic-impact decomposition and combustion product regeneration
A solid-waste conversion plant produces useful products and electrical energy in a closed system with zero emission of pollutants into the atmosphere. The plant is characterized by catalytic...
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6685893 |
Pyrolysis heater
A pyrolysis heater particularly for the cracking of hydrocarbons in the production of olefins has a burner arrangement in the firebox which directly heats the hearth of the firebox such that it...
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6684796 |
Particulate injection burner
A burner has a body portion and a main outlet. Fuel and primary oxidant outlets are arranged upstream of the main outlet and are disposed substantially concentrically about the axis of the burner....
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6681722 |
Floored impact-type solids separator using downward expanding separator elements
A collection element arrangement is provided having sleeve attachments near their lowermost ends which simulate a continuous sloping surface, or floor. The sleeve attachments upper surfaces forming...
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6681497 |
Web dryer with fully integrated regenerative heat source and control thereof
Integrated web dryer and regenerative heat exchanger, as well as a method of drying a web of material using the same. The apparatus and method of the present invention provides for the heating of...
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6675880 |
Air heater for recovering a heat of exhaust gas
A high temperature air heater including a heat transfer conduit located in higher temperature gas. The heat transfer conduit is made up of a heat transfer pipe through which the air to be heated...
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6675727 |
Method for feeding solid material into a reaction space, wherein solid material is consumed in the reaction
A method for feeding solids ( 8 ) into a reaction space ( 2 ), which solids are prevented from leaving in the form of a solid substance. The method includes feeding solids such that the pressure (F...
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6675726 |
System for determining process parameters relating to thermal processes such as, for instance, waste incineration
The invention relates to a system for thermal combustion processes of matter such as, for instance, waste incineration. The system comprises a computer for measuring parameters of the combustion of...
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6672865 |
Method of mixing high temperature gases in mineral processing kilns
A method is described for reducing NO x emissions and improving energy efficiency during mineral processing in a rotary kiln. The method comprises injection of air with high velocity/high kinetic...
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6672227 |
Arrangement for cleaning, airflow control and pushing away melt in air ports of incineration boilers
The arrangement is for cleaning and controlling airflow and where appropriate pushing away melt in an air channel of recovery boilers within the paper and pulp industry. By inclining the regulating...
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6672080 |
Rapid cooling device and method of rapidly cooling the device
A rapid cooling apparatus passing hot exhaust gas in a short time along a flow path formed in a cooling setting with piled up arrangement and having a reduced cross-sectional area of the flow path...
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6669470 |
Method for operating manufacturing equipment including heating furnace
A method for operating manufacturing equipment including a heating furnace is provided. The method comprises the step of spraying a blowdown water that has been in the manufacturing equipment into...
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6666680 |
Multi-train installation for the production of cement clinker from raw meal
A dual-train or multi-train installation for the production of cement clinker from raw meal includes several cyclone suspension heat exchanger trains which provide substantially equal gas and meal...
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6666154 |
Methods for controlling ignitability of organic waste with mineral by-products
Methods and systems for treating organic waste, which include determining the ignition threshold temperature for the organic waste and at least one mineral by-product, selecting a ratio of organic...
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6662735 |
Reactor and method for gasifying and/or melting materials
A reactor for gasifying and/or melting feed materials, the reactor including a charging section with a feed opening, through which the feed materials are charged to the reactor from above and a...
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6660052 |
Method for blowing synthetic resins as a fuel into a furnace
A method for blowing synthetic resins as a fuel into a furnace comprising: processing synthetic resins consisting essentially of film shaped synthetic resins by melting or semi-melting the...
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6659026 |
Control system for reducing NOx emissions from a multiple-intertube pulverized-coal burner using true delivery pipe fuel flow measurement
A control system for providing improved control over the combustion process of a multiple-intertube pulverized-coal burner that commonly forms a portion of a roof-fired boiler. The system utilizes...
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6659025 |
Tire recycling process
The present invention is a rubber tire recycling process that does not require the inefficient procedure of cutting and shredding the rubber tires. The entire rubber tire enters the recycling...
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6659024 |
Powdery fuel combustion apparatus
A powdery fuel combustion apparatus disposed on furnace side plane ( 7 ) of vertical square body type furnace in which a vertical plane passing through a fuel jetting directional axis ( 8 ) does...
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6658757 |
Method and apparatus for separating hydrocarbons from material
A system for separating hydrocarbons from a material which includes a process chamber, a process pan operatively connected to the process chamber and removable therefrom, a blower operatively...
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6655955 |
Coolable arched roof
A coolable arched roof for a high-temperature melting furnace having a furnace interior. At least the following layers are present on that side of a layer of refractory bricks, which is remote from...
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6655304 |
Mass fuel combustion system
An improved mass fuel combustion system can be designed in a variety of embodiments and alternatives, including designs which include independent gas feeds, independent gas pulsing, independently...
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6655303 |
Furnace
A furnace consists of at least one wall-mounted burner tilted downward for feeding air-fuel mixture and of a prism-shaped ash hopper. Slopes of the walls of lower combustion chamber region define...
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6652272 |
Device for sluicing a hot meal-form material
In order to create a device like a shuttle sluice for sluicing or distributing a hot meal-form material flow, in particular for cement plant construction, whose shuttle valve or shuttle valves is...
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6652267 |
Burner for the partial oxidation of liquid fuels which contain carbon
The burner has at least two fuel-carrying tubes which are arranged in parallel, the distance between adjacent fuel-carrying tubes being 5 to 30 cm. Each fuel-carrying tube is surrounded by a...
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6647903 |
Method and apparatus for generating and utilizing combustible gas
Apparatus and method for generating fuel gas and optionally, activated carbon gasification from biomass fuel.
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6647902 |
Process for incinerating waste products
To improve slag quality, on a fired grate, at the end of the main combustion process, where burnable fractions are still present in addition to slag components which are already forming, the burnup...
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6647901 |
Automatic coal stoker
An automatic coal stoker is disclosed having at the base of its hopper an enclosed reciprocating pusher assembly rectangular box shaped which delivers compressingly a defined but variable quantity...
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6644222 |
System for continuous thermal combustion of matter, such as waste
The system for continuous thermal combustion of matter, such as waste, comprises an incinerator, air supply means for supplying heated air to the incinerator, and a steam generator for generating...
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6638432 |
Method of treating waste liquid
Disclosed is a method of removing heavy metals contained in exhaust gas which has been generated by burning a waste liquid containing the heavy metals discharged in a process of producing organic...
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6638396 |
Method and apparatus for processing a waste product
A method and apparatus for processing a waste product and producing a synthesis gas is provided. The system includes a sealed, heated rotatable drum for preheating and preparing the waste material...
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6637354 |
Coal combustion products recovery process
A process for recovering the byproducts of a process that burns coal and for reusing the byproducts is disclosed. The process includes the steps of identifying a disposal site that contains the...
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6632287 |
Method for decontaminating a hollow needle
The invention provides a method and device for decontaminating a contaminated hollow metal needle having electrical wires attached to the needle which heat cleaning fluid dispensed into the needle.
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