| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 110210000 | Afterburning means | 16 |
| 20080196640 | Gas Combustion Arrangement Using Circular Stream - Disclosed is a gas combustion arrangement using a circular stream, which is capable of fully burning gas discharged from waste incinerated (by flame-broiling, high-temperature, thermal decomposition, etc.) in an incinerator provided at a front stage of the gas combustion arrangement by passing the discharged gas through a coil-shaped circular combustion pipe heated at a predetermined temperature. | 08-21-2008 |
| 20080257235 | Radioactive Waste Reprocessing Method and Device - Radioactive waste treatment method, includes: (a) loading waste into plasma shaft furnace by conveying waste by hermetic conveyor from automated storage into plasma shaft furnace, wherein conveying is loading is controlled; (b) pyrolizing waste; (c) oxidizing coke; (d) withdrawing pyrogas and slug from furnace; (e) afterburning pyrogas in combustion chamber at an afterburning temperature of 1200-1350° C.; (f) supplying air into combustion chamber at two levels during afterburning step: (1) prechamber pyrogas air supply level, and (2) an upper part of combustion chamber air supply level; and (g) quenching an off-gas to 200-250° C. with subsequent mechanical cleaning and absorption cleaning and further cooling. A radioactive waste treatment plant is also disclosed. | 10-23-2008 |
| 20090007825 | THERMAL POSTCOMBUSTION DEVICE AND METHOD FOR OPERATING THE SAME - A thermal postcombustion device includes, in a conventional manner per se, a housing, having | 01-08-2009 |
| 20090078175 | METHOD AND APPARATUS FOR OPERATING A FUEL FLEXIBLE FURNACE TO REDUCE POLLUTANTS IN EMISSIONS - A fuel flexible furnace, including a main combustion zone, a reburn zone downstream from the main combustion zone, and a delivery system operably coupled to supplies of biomass and coal and configured to deliver the biomass and the coal as ingredients of first and reburn fuels to the main combustion zone and the reburn zone, with each fuel including flexible quantities of the biomass and/or the coal. The flexible quantities are variable with the furnace in an operating condition. | 03-26-2009 |
| 110211000 | Means directing main flame or combustion products for afterburning | 2 |
| 20100037806 | Combustion Chamber for Burning Solid Fuels - A combustion chamber ( | 02-18-2010 |
| 20110061576 | FOUR-WAY VALVE - A four-way valve for use in a regenerative thermal oxidizer (RTO) assembly for alternating between a first cycle with a gas flowing in a first direction and a second cycle with a gas flowing in a second direction. A partition divides the interior of the housing of the valve into an input zone and an output zone. A pivot shaft rotatable about an axis is disposed in the interior of the housing, and a pair of opposing dampers extend radially outwardly on opposite sides of the pivot shaft. A plurality of ducts are disposed in the housing. Each duct engages one of the input and output apertures and extends into one of the input and output zones for engaging the dampers to restrict the flow of gas during the first and second cycles. | 03-17-2011 |
| 110212000 | Liquid or gaseous fueled | 7 |
| 20080308017 | Dual Chamber System for Gasifying Biomass Waste - A device for gasifying biomass waste has two each of primary chambers, fume transfer vents, mixing chambers which accept fumes from the primary chamber, afterburner chambers in fluid communication with the mixing chambers, and an exhaust duct. Each secondary burner produces an initial heating flame within a vertical portion of the respective afterburner chamber, and secondary chambers are in fluid communication with the afterburner chambers. Heated gases from the afterburner chambers cause heating of the secondary chambers. A portion of each primary chamber has a heat conductive floor superimposed over the respective secondary chamber, and the partition between the primary chambers is heat conductive, so that conductive and convective heating of the primary chambers occurs. | 12-18-2008 |
| 20090064909 | Gas combustion apparatus - A method of combusting ammonia is described, in which an exhaust gas containing varying amounts of at least ammonia and hydrogen is conveyed from a chamber to a combustion nozzle ( | 03-12-2009 |
| 20090288583 | LOW OXYGEN VORTEX BURNER - A low oxygen vortex burner is provided. With the use of exhaust gas discharged from a combined boiler internal combustion engine as a supply source of air for re-combustion, it is possible to have the exhaust gas discharged in a state of complete combustion and to suppress the pollution of the natural environment due to the exhaust gas. The low oxygen vortex burner includes: a frame | 11-26-2009 |
| 20100212556 | SYSTEMS FOR STAGED COMBUSTION OF AIR AND FUEL - A combustion system for combusting air and fuel includes a primary combustion zone configured to produce combustion gases from the air and the fuel and an intermediate air zone downstream from the primary combustion zone. The intermediate air zone is configured to inject an intermediate air stream into the combustion gases. The combustion system further includes a burnout zone downstream from the intermediate air zone, wherein the burnout zone is configured to inject an overfire air stream into the combustion gases, and at least one hybrid-boosted air injector within at least one of the intermediate air zone and the burnout zone. The at least one hybrid-boosted air injector is configured to substantially simultaneously inject a boosted air stream and a windbox air stream into the combustion gases. | 08-26-2010 |
| 110213000 | Swirl inducing | 3 |
| 20090320726 | Three 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, organic and inorganic particulates. The pollution source can be of any type, such as smoke from a smokestack, engine exhaust, etc. The re-burner system is of very simple construction, is extremely energy efficient and does not require any moving parts or maintenance, respectively. | 12-31-2009 |
| 20120037053 | Burner for a Thermal Post-Combustion Device - The invention describes a burner for a thermal post-combustion device, which has a burner jet arranged in a housing. Arranged on the end region of the housing is a swirl apparatus, through which the exhaust gas to be purified can be made to flow. The burner jet comprises an outer tube and an inner tube, wherein it is possible for combustion gas to be made to flow through the interspace between said two tubes as far as an annular outlet gap in the end region thereof. The flow path for the combustion gas has a bottleneck in the vicinity of the outlet gap. In this way, a compact flame can be achieved, the form of which can be designated “bell-shaped” and which, for a given volume, has a relatively small surface. Although, such a flame has poor CO | 02-16-2012 |
| 20130239857 | SWIRL FLOW TYPE PRE-MIXED LOW-POLLUTION COMBUSTION APPARATUS - The disclosure relates to a waste gas purification apparatus, and more particularly, to a waste gas combustion apparatus to burn and process waste gases. The disclosure provides the waste gas combustion apparatus to process the waste gases generated in an industrial process, such as a chemical process, a semiconductor manufacturing process, or an LCD manufacturing process. The waste gas combustion apparatus includes a combustion gas supply unit provided with a first combustion region in which the waste gases are primarily burned by supply of fuel gases which are pre-mixed with diluted fuel gases, and a second combustion region which is supplied with support gases so as to completely burn fuel gases which are not reacted in the first combustion region. | 09-19-2013 |
| 110214000 | Including means to add air | 3 |
| 20120137938 | PULVERIZED COAL BOILER - A pulverized coal boiler of the present invention is structured so as to form, among upper and lower after-air nozzles, an opening serving as an outlet of the lower after-air nozzle positioned on the upstream side is formed in a rectangular shape, a cylindrical section for defining a minimum flow path area of combustion air flowing through a flow path of the after-air nozzle is installed inside of the lower after-air nozzles along the flow path of the lower after-air nozzle, and a swirl blade for giving a swirl force to the combustion air flowing through the flow path of the after-air nozzles is installed inside of the cylindrical section, and the flow path of the lower after-air nozzles is formed so that a flow path area of the flow path of the after-air nozzles through which the combustion air flows from a position where the cylindrical section is installed toward the opening of each of the lower after-air nozzles is expanded. | 06-07-2012 |
| 20150300638 | Device for Centrifugal Combustion by Area Using Flow of Combustion Air - An area-specific centrifugal combustion apparatus is provided using a flow of combustion air. Combustion air is supplied through an upper combustion chamber. A column of fire is discharged from the upper combustion chamber. A lower combustion chamber is coupled with a lower part of the upper combustion chamber, and supplies fuel into a combustion chamber for mixing with the combustion air for combustion. An air supply pipe has an upper supply pipe and a lower supply pipe, through which the combustion air is supplied to the upper and lower combustion chambers. A rotary part connected to the lower combustion chamber allows the combustion air to maintain centrifugal force. A fuel supply on a lower end of the rotary part includes a fixed quantity feeder allowing a fixed amount of fuel to be supplied. | 10-22-2015 |
| 20160146463 | COMBUSTION DEVICE - In accordance with the flow distribution of combustion gas including an unburned portion, an after-air port (AAP) arranged downstream of the two-stage combustion burner can effectively reduce the unburned portion by dividing as appropriate so as to avoid interaction, and by mixing together, two types of after-air having functions of linearity and spreading. As the configuration of this AAP, a primary nozzle for supplying primary after-air and having a vertical height greater than the horizontal width is provided in the center in the opening of the AAP, a secondary nozzle for supplying secondary after-air is provided in the opening outside of the primary nozzle, and one or more secondary after-air guide vanes having a fixed or variable tilt angle relative to the after-air port center axis are provided at the outlet of the said secondary nozzle to deflect and supply the secondary after-air horizontally to the left or right. | 05-26-2016 |
