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Class 431/5 - Burning waste gas, e.g., furnace gas, etc.


Subclass of Class 431 - Combustion
Definition: Processes of burning combustible constituents remaining
No. of patents: 421
Last issue date: 05/08/2012


1                      
NumberTitleIssue Date
8172565Gas induction bustle for use with a flare or exhaust stack
A bustle for use on a flare or an exhaust stack of, for example, a landfill gas treatment system, efficiently transfers gas from the stack to a waste heat recovery system associated with the landfill gas treatment system without substantially affecting the operation...
05/08/2012
7931466Flare gas flammability control
A plant gas to be flared in the atmosphere is periodically sampled and analyzed as to its Btu content, a first comparison made of 1) the most recent of such analyses with 2) a predetermined steady state set point, a second comparison made of 3) an average of a plura...
04/26/2011
7896645Three phased combustion system
A system when installed in-line with a pollution source provides reduction and/or complete combustion of harmful emissions generated there from. Such emissions including (but not limited to) compounds such as oxides of nitrogen, hydrocarbons, carbon monoxide, odors,...
03/01/2011
7758335Method for utilizing product leaks in compressor seal systems for recovery and recycling as fuel
A method for utilizing a combustible gas product collected in the seal device of a compressor of the combustible gas produce, in particular a method in which combustible gases, or gas mixtures containing combustible gases, are compressed, is provided. The method is ...
07/20/2010
7651329Exhaust gas processing device, and method of using the same
In an exhaust gas processing device wherein in order to efficiently outwardly discharge heat at high temperatures of about 90-150° C. released from a GGH reheater during the shutdown of a desulfurizer, to prevent damage to equipment and corrosion preventive lining ...
01/26/2010
7594810High-voltage discharging reactor processing exhausted hydrogen gas
The present invention provides a reactor utilizing high-voltage discharge for processing exhausted hydrogen gas emitted during membrane plating, etching, or washing of semiconductors, where higher than 95% of destruction and removal efficiency (DRE) of hydrogen gas ...
09/29/2009
7520743Method and apparatus to reduce a venting of raw natural gas emissions
With the disclosed device, some or all of the available oil tank vent gas in a production system can be utilized to augment the primary fuel gas needed by a heater treater unit to separate the gas, oil, and water fractions from raw natural gas extracted at the wellh...
04/21/2009
7491055Oxy-fuel reburn: a method for NOreduction by fuel reburning with oxygen
A method is disclosed for reducing the NOx emission of fossil fuel burners. The method creates fuel-rich and fuel-lean zones within the boiler to enhance the removal of NOx species by creating a plurality of NOx reducing precursors.
02/17/2009
7473095NOemissions reduction process and apparatus
A method and apparatus for afterburning of hydrocarbon with air. Exhaust gas from a process in which hydrocarbon has been evolved is combusted with air to produce reduced NOX emissions. Hydrocarbon fuel is burned in an air mixture at an equivalence ratio ...
01/06/2009
7442035Gas induction bustle for use with a flare or exhaust stack
A bustle for use on a flare or an exhaust stack of, for example, a landfill gas treatment system, efficiently transfers gas from the stack to a waste heat recovery system associated with the landfill gas treatment system without substantially affecting the operation...
10/28/2008
7399451Pollution control
Device for pollution control where a polluted stream of air or gas is purified from both oxidisable material and nitrogen oxides simultaneously by a combination of regenerative high temperature treatment and catalytic treatment. ...
07/15/2008
7396228Fuel gas calorie control method and device
Calories of a first mixed gas are predicted by calculations based on the mixed flow rate of a blast furnace gas and the mixed flow rate of a converter gas measured by flow meters, and preset blast furnace gas calories and converter gas calories; the flow rate ratio ...
07/08/2008
7360588Thermal processes for subsurface formations
A process may include providing heat from one or more heaters to at least a portion of a subsurface formation. Heat may transfer from one or more heaters to a part of a formation. In some embodiments, heat from the one or more heat sources may pyrolyze at least some...
04/22/2008
7354265Flare stack combustion method and apparatus
High-pressure air is discharged in the form of jets moving at a high velocity from nozzles mounted on a ring around the interior of the flare stack, placed at a predetermined distance from the flare tip and the portion of the surrounding stack wall downstream of the...
04/08/2008
7351872Process and draft control system for use in cracking a heavy hydrocarbon feedstock in a pyrolysis furnace
A process and control system for cracking a heavy hydrocarbon feedstock containing non-volatile hydrocarbons comprising heating the heavy hydrocarbon feedstock, mixing the heated heavy hydrocarbon feedstock with a dilution steam stream to form a mixture stream havin...
04/01/2008
7341448Gas-fired heating apparatus
The gas-fired heating apparatus, especially a water heater, has a combustion chamber (2a); an atmospheric gas burner (5) within the combustion chamber (2a); a combustion gas/air supply system (18) having an intake device (
03/11/2008
7322818Method for adjusting pre-mix burners to reduce NOemissions
A method for reducing NOx emissions from a furnace having multiple burners, each burner including at least one chamber for supplying a flow of combustion air and means to adjust the flow of air to the at least one chamber. The method includes the steps of...
01/29/2008
7273366Method and apparatus for destruction of vapors and waste streams
A burner assembly for the destruction of noxious vapors and other waste streams includes an inner burner element in the form of a sudden expansion burner and an outer burner element that encircles the inner burner element and forms an annular passageway between the ...
09/25/2007
7273015Method and apparatus for combustion of residual carbon in fly ash
A system for combustion and removal of residual carbon within fly ash particles in which the fly ash particles are fed into an array of process units for combustion. The fly ash particles are subjected to heat and motive air such that as the fly ash particles pass t...
09/25/2007
7270539Method and apparatus for destruction of vapors and waste streams using flash oxidation
A burner assembly for the destruction of noxious vapors and other waste streams includes an inner burner element in the form of a sudden expansion burner and an outer burner element that encircles the inner burner element and forms an annular passageway between the ...
09/18/2007
7258544Method and apparatus for igniting a gas flare and a gas flare
A method and apparatus for igniting a gas flare includes a housing (12, 112) and at least one flow passage (14, 120) extending through the housing (12, 112). A body (16, 124) made from a heat conducting material in communication with the ...
08/21/2007
7249946Thermal generator and combustion method for limiting nitrogen oxides emissions by re-combustion of fumes
The invention relates to a thermal generator comprising a furnace tube (2) wherein a fuel is burnt, recombustion means (14, 15) for reducing the nitrogen oxides content present in said fumes and means (3) for recovering the heat of the fumes res...
07/31/2007
7247016Flare stack combustion apparatus and method
High-pressure air is discharged in the form of jets moving at a high velocity from nozzles (32) mounted on a ring manifold (30) that encircles the flare stack (10) at a predetermined distance below the flare tip (12), the upper portion of...
07/24/2007
7241134Enhancing combustion with variable composition process gas
Method and apparatus for enhancing the combustion of a process gas of variable composition which gas is used for steam generation in producing heavy oil. The mass flow of the process gas containing hydrocarbons, carbon dioxide and water is measured. It is assumed th...
07/10/2007
7225746Low NOx combustion
Combustion of hydrocarbon liquids and solids is achieved with less formation of NOx by feeding a small amount of oxygen into the fuel stream. ...
06/05/2007
7214349Effluent gas stream treatment system having utility for oxidation treatment of semiconductor manufacturing effluent gases
An effluent gas stream treatment system for treatment of gaseous effluents such as waste gases from semiconductor manufacturing operations. The effluent gas stream treatment system comprises a pre-oxidation treatment unit, which may for example comprise a scrubber, ...
05/08/2007
RE39596Method and apparatus for the destruction of volatile organic compounds
A system for the destruction of volatile organic compounds while generating power. In a preferred embodiment the system comprises a combustor and a reaction chamber connected to an exit of the combustor. A primary inlet to the combustor supplies a primary fuel to th...
05/01/2007
7208127Method for processing residual gas
A system for processing residual gas that includes a chamber having at least one baffle for increasing gas flow path, a residual gas inlet mechanism connected to the chamber for supplying residual gas to the chamber, at least one first gas inlet mechanism connected ...
04/24/2007
7172731Apparatus for releasing pressure in a vacuum exhaust system of semiconductor equipment
An apparatus for protecting a vacuum system of semiconductor equipment is disclosed. The apparatus comprises a process tool and a gas-exploding unit. The process tool includes a gas reaction chamber, and the process tool is connected with a first gas piping to exhau...
02/06/2007
7162864Method for control of NOx emission from combustors using fuel dilution
A method of controlling NOx emission from combustors. The method involves the controlled addition of a diluent such as nitrogen or water vapor, to a base fuel to reduce the flame temperature, thereby reducing NOx production. At the same time, a gas capable of enhanc...
01/16/2007
7146801Fuel vaporizing device
Hydrogen-rich reformate gas is produced by a fuel reformer (2) from fuel vapor containing hydrocarbon, which is produced by a fuel vaporizer (6), by means of a partial oxidation reaction and a steam reforming reaction. A fuel injector (8, 9) sup...
12/12/2006
7147461Partially-open fired heater cycle providing high thermal efficiencies and ultra-low emissions
A partially open fired heater regenerative cycle, wherein the fired industrial type heater cycle's heat transfer fluid replaces the air predominant nitrogen heat transfer fluid employed in a conventional air/fuel combustion heater, is disclosed. The heater cycle's m...
12/12/2006
7133024Computer input device providing absolute and relative positional information
A computer input system includes a base, a movable member that is displaceable relative to the base, and a sensor that is operably coupled to the movable member. The sensor provides an output signal to circuitry indicative of position of the movable member relative ...
11/07/2006
7117903System for detecting liquid fuel blockages in the vapor return line of a fuel dispenser
A vapor collection testing device is held in one hand and a fuel dispensing nozzle for a fuel dispensing system to be tested is held in the other hand of an operator. The device is slipped over the spout of the nozzle and pushed against the boot of the nozzle (if so...
10/10/2006
7112060Burner for treating waste gas
The present invention provides a burner for use in a combustion-type waste gas treatment system for combusting waste gases emitted from semiconductor manufacturing system, particularly, a deposition gas containing SiH4 and a halogen-base gas, simultaneous...
09/26/2006
7096672Fluid heating and gas turbine integration method
A method of heating a fluid in a fluid heater integrated with a gas turbine. Fuel is burned in a radiant section of the fluid heater to heat the fluid and to produce combustion gases for the heating a downstream convective section. The combustion is supported by a c...
08/29/2006
7089745System for vaporization of liquid fuels for combustion and method of use
A gas stream with a reduced oxygen concentration relative to ambient air is used to vaporize a liquid fuel or liquified higher hydrocarbon gas, or is mixed with a vaporized gas, and the reduced oxygen vaporized fuel gas is fed to a combustion device such as a premix...
08/15/2006
7086276Temperature correction method and subsystem for automotive evaporative leak detection systems
A method and sensor or sensor subsystem permit improved evaporative leak detection in an automotive fuel system. The sensor or sensor subsystem computes temperature-compensated pressure values, thereby eliminating or reducing false positive or other adverse results ...
08/08/2006
7076957Fluid heating and gas turbine integration method
A method of heating a fluid in a fluid heater integrated with a gas turbine. Fuel is burned in a radiant section of the fluid heater to heat the fluid and to produce combustion gases for the heating a downstream convective section. The combustion is supported by a c...
07/18/2006
7074033Partially-open fired heater cycle providing high thermal efficiencies and ultra-low emissions
A partially open fired heater regenerative cycle wherein the fired industrial type heater cycle's heat transfer fluid replaces the air predominant nitrogen heat transfer fluid employed in a conventional air/fuel combustion heater. The heater cycle's method and appar...
07/11/2006
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