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| Number | Title | Issue Date |
| 7845291 | Control method for waste incineration plants with auxiliary burner operation A control method for operating a waste incineration plant with a auxiliary burner is disclosed. A steam power is regulated as a function of a burner power of the auxiliary burner. For this purpose, on the basis of the burner power, a burner steam power is determined... | 12/07/2010 |
| 7325757 | Plastics recovery system A transportable system for separating materials in a waste stream. An arrangement of separation and grinding devices is mounted on a transportable platform. The devices are configured and arranged to produce three or more product streams from a plastic-rich feed mix... | 02/05/2008 |
| 7178553 | Leak-resistant solenoid valves A leak resistant solenoid valve comprises a valve body having an interior chamber, an inlet, an outlet, and at least one valve seat and valve plug located in the interior chamber. The valve plug has a sealing surface and is axially movable between open and closed po... | 02/20/2007 |
| 6939125 | Method for reducing nitrogen oxides in combustion gas from combustion furnace A method for reducing NOx, in a combustion gas which is discharged from a combustion furnace for burning a fuel by means of a gas containing oxygen in an amount of at least 80 vol % and which contains oxygen, which method comprises adding a combustible ma... | 09/06/2005 |
| 6889619 | Solid fuel burner, burning method using the same, combustion apparatus and method of operating the combustion apparatus A solid fuel burner and method uses a low oxygen concentration gas as a transporting gas for a low grade solid fuel such as brown coal or the like, provides for accelerating ignition of the fuel and for preventing slugging caused by combustion ash. Mixing of fuel an... | 05/10/2005 |
| 6820564 | System and method for removing blockages in a waste converting apparatus One or more auxiliary plasma torches are provided to a waste processing plant at strategic locations within the chamber and directed towards the waste column. When a bridge forms within the chamber the auxiliary plasma torches may be operated such as to provide an a... | 11/23/2004 |
| 6748883 | Control system for controlling the feeding and burning of a pulverized fuel in a glass melting furnace A control system for controlling the storing, feeding and burning of a pulverized fuel in a glass melting furnace, wherein a series of burners are arranged one in front of the other to carry out combustion and non-combustion cycles during a glass melting process. Pu... | 06/15/2004 |
| 6360680 | Method of operating a furnace based upon electrostatic precipitator operation A method is provided for controlling the operation of a furnace. A furnace generally includes a boiler having a combustion zone, a plurality of burners burning a mixture of fuel and air in the combustion zone producing a gaseous by-product, and an electro... | 03/26/2002 |
| 6101958 | Method of and apparatus for thermal degradation of waste A method of and an apparatus for the thermal degradation of refuse, garbage and other waste material in which the waste material stream is reacted with air or oxygen in a reaction chamber for pyrolysis, destructive distillation or incineration of the wast... | 08/15/2000 |
| 6089169 | Conversion of waste products A facility for reclaiming useful products from solid municipal and hazardous waste uses a rotary kiln to convert the material into a stream of inorganic ash and a stream of gaseous combustion products. The stream of combustion products passes in heat exch... | 07/18/2000 |
| 5730069 | Lean fuel combustion control method A method and apparatus are provided to control the burning of a lean hydrocarbon containing gas stream under stable conditions using a combination of control logic and hardware. Temperature within the combustor is controlled by using a plurality of stagin... | 03/24/1998 |
| 5353720 | Refuse incinerator An incinerator (200)is provided for burning combustible refuse (16) in a primary combustion chamber (2) that has an outlet (50) for exhaust heat (30) and an inlet (28) for receiving refuse (16) and an inlet (36) for receiving a mixture of pressurized oxyg... | 10/11/1994 |
| 5339752 | Livestock incinerator A livestock incinerator is provided, and includes a compartment or incineration chamber defined by opposite sidewalls, opposite end walls, a bottom wall, and an open top which is selectively closed by a plurality of lids pivotally connected to the walls o... | 08/23/1994 |
| 5113770 | Apparatus for incinerating waste materials The waste incinerating system of Nichols U.S. Pat. No. 3,905,312 issued Sep. 16, 1975 is improved to prevent decreases in combustion temperature to an extent such that there is a danger of flame-out and consequent choking of the furnace chamber with waste... | 05/19/1992 |
| 4891097 | Method for regulating, the feeding-in or combustion conditions of concentrated spent liquors The invention relates to a method of regulating, for the purpose of burning soda-ash in a recovery boiler furnace, the feeding-in or combustion conditions of concentrated spent liquors of varying chemical and physical properties by measuring some physical... | 01/02/1990 |
| 4852504 | Waste fuel incineration system A waste fuel incineration process and system operates at very high temperatures with excess under fire air for high efficiency combustion of waste as a fuel and for decomposition of any toxic waste. The system is applicable for clean burning volume reduct... | 08/01/1989 |
| 4794870 | Modulating method and system for kiln firing The invention relates to a method and system for modulating the firing temperature in a rotary kiln. The method comprises determining the absolute content of one or more inorganic constituents present in the coal feed for determining the total ash content... | 01/03/1989 |
| 4782773 | Method for controlling incineration in combustor for radioactive wastes Complete incineration of combustible radioactive wastes in the combustor can be regulated in the manner of controlling the flow rate of supplemental fuel fed to the combustor so that the outlet gas temperature of the combustor may be maintained at the set... | 11/08/1988 |
| 4739714 | Incinerator combustion fuel control The flow rate of multiple fuel streams supplied to an incinerator are controlled so as to provide maximum temperature and heat release conditions in the incinerator that will allow complete combustion of hazardous waste fuel. In addition, a minimum temper... | 04/26/1988 |
| 4517906 | Method and apparatus for controlling auxiliary fuel addition to a pyrolysis furnace A two-stage starved air furnace system is controlled to simultaneously achieve desired temperatures and percent stoichiometric air operation in the primary stage by modulating transformation relay functions acting upon measured temperature deviations to c... | 05/21/1985 |
| 4453476 | Liquid waste feeding system for an incinerator A liquid waste feeding system to be used in conjunction with a solid waste, pyrolytic incinerator. The liquid waste is atomized and injected into the upper end portion of the pyrolysis chamber of the incinerator through a retractable nozzle assembly. The ... | 06/12/1984 |
| 4444735 | Thermal oxidizer and method for operating same A fume incinerator (10) and a method of operating same for eliminating combustible fumes from an oxygen bearing process gas stream (1). A first portion (11) of the oxygen bearing process gas (1) is passed to a burner (30) and serves as the source of oxyge... | 04/24/1984 |
| 4331084 | Fuel feed technique for auger combustor A feeding system for a starved-air combustor which enables the batch feeding of preselected weights of fuel into a combustion chamber of the starved-air combustor. The feeding system also blocks the entry of ambient air into the combustion chamber during ... | 05/25/1982 |
| 4316420 | Furnace heat absorption control Furnace performance is controlled during start-up or very low load operation at a time when the minimum air flow required to be supplied to the furnace is significantly greater than that required to burn the fuel being supplied to the furnace. Decreased f... | 02/23/1982 |
| 4312278 | Chip wood furnace and furnace retrofitting system A furnace system suitable for independent use and for retrofitting conventional central heating oil furnaces to permit controlled continuous and efficient combustion of fragmented wood type fuels. Wood chips or other fuel fragments are trickle fed into a ... | 01/26/1982 |
| 4308807 | Apparatus for pyrolysis of municipal waste utilizing heat recovery Apparatus for pyrolytically treating municipal and other waste comprised of solid heat-decomposable material by radiative heating from an open flame and convective heating, the invention particularly provides for heat recovery of a substantial amount of i... | 01/05/1982 |
| 4254716 | Method and apparatus for preparing organic waste fuels An integrated fuel preparation and incinerator system and method for utilizing organic solid and semi-solid waste materials as a primary boiler fuel is provided. The organic waste fuel materials are refined to allow for improved combustion efficiency. Com... | 03/10/1981 |
| 4241672 | Method of regulating the amount of underfire air for combustion of wood fuels in spreader-stroke boilers A method of metering underfire air for increasing efficiency and reducing particulate emissions from wood-fire, spreader-stoker boilers is disclosed. A portion of the combustion air, approximately one pound of air per pound of wood, is fed through the gra... | 12/30/1980 |
| 4166421 | Cyclonic furnace Cyclonic furnace for efficient burning of such waste products as rubber tires or industrial or domestic refuse with minimum atmospheric pollution and high heat output has fixed circular hearth with central outlet for slag and ash discharge, material to be... | 09/04/1979 |
| 4140067 | Furnace control system A furnace control system to control burner operation of a multifuel furnace to reduce primary fuel consumption of either oil or gas of the multifuel furnace. The system controls a primary fuel to initially kindle a secondary fuel when the fire reaches a s... | 02/20/1979 |
| 4038032 | Method and means for controlling the incineration of waste A control system for the incineration of pollutants in waste gases which will conserve fuel consumption and which embodies feed back signals from temperature sensing means and/or gas analyzing means in connection with the combustion gases to detect an und... | 07/26/1977 |
| 4015546 | Apparatus and method for converting refuse to useful energy The preferred embodiment of the invention disclosed herein includes apparatus for and the steps of separating glass, metal and other generally non-combustible material from refuse to provide a volume of generally combustible refuse, shreddingthe volume of... | 04/05/1977 |
| 4013023 | Incineration method and system The following disclosure teaches ways and means for incinerating organic wastes in a multiple hearth furnace equipped with an afterburner. In the furnace, the wastes are pyrolyzed in an oxygen deficient atmosphere which is regulated to only partially comp... | 03/22/1977 |
| 3954381 | Method of and apparatus for incinerating an aqueous solution containing nitro compounds A concentrated aqueous solution containing nitro compound is incinerated in a chamber to produce a hot dry vapor that is fed through a heat-exchange chamber through which the unconcentrated aqueous solution containing the nitro compounds is dripped so as ... | 05/04/1976 |
