| Patent Number |
Title Of Patent |
Date Issued |
| 7553153 |
Burner and combustion method for solid fuels |
June 30, 2009 |
| A solid-fuel burner comprising a fuel nozzle for injecting a mixed fluid with a mixture of solid fuel and air as a carrier gas thereof, a plurality of air nozzles provided on the outside of the fuel nozzle for surrounding the fuel nozzle; an end portion of an inner circumferential wa |
| 7482588 |
Method of calculating radiation |
January 27, 2009 |
| Conventionally, a coarse mesh having a same size in that a calculation cell was used regardless to whether the location is near or remote from radiation elements such as calculation cells and wall face elements. Therefore, it took very long calculation time to calculate an energy exc |
| 7449157 |
Catalytic exhaust gas decomposition apparatus and exhaust gas decomposition method |
November 11, 2008 |
| A catalytic exhaust gas decomposition spirals an exhaust gas containing therein a substance to be decomposed and a reactant gas, rectifies the spiral flow, and lets the substance to be decomposed react with the reactant gas after the spiral flow has been rectified. For rectifying the |
| 7392752 |
Solid fuel boiler and method of operating combustion apparatus |
July 1, 2008 |
| There is disclosed a solid fuel boiler including: a furnace including a plurality of solid fuel burners and a furnace wall to perform horizontal firing; a duct through which a part of combustion exhaust gas recirculates to a furnace from a downstream side of the furnace; heat exchang |
| 7168374 |
Solid fuel burner, burning method using the same, combustion apparatus and method of operating t |
January 30, 2007 |
| A solid fuel burner using a low oxygen concentration gas as a transporting gas of a low grade solid fuel such as brown coal or the like and a combustion method using the solid fuel burner are provided. The solid fuel burner comprises a means for accelerating ignition of the fuel and a |
| 7033550 |
Catalytic exhaust gas decomposition apparatus and exhaust gas decomposition method |
April 25, 2006 |
| The catalytic exhaust gas decomposition apparatus spirals an exhaust gas containing therein a substance to be decomposed and a reactant gas, rectifies the spiral flow, and lets the substance to be decomposed contained in the exhaust gas react with the reactant gas after the spiral fl |
| 6938560 |
Solid fuel boiler and method of operating combustion apparatus |
September 6, 2005 |
| There is disclosed a solid fuel boiler including: a furnace including a plurality of solid fuel burners and a furnace wall to perform horizontal firing; a duct through which a part of combustion exhaust gas recirculates to a furnace from a downstream side of the furnace; heat exchanger t |
| 6889619 |
Solid fuel burner, burning method using the same, combustion apparatus and method of operating t |
May 10, 2005 |
| 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 and air inside a fuel |
| 5937770 |
Pulverized coal burner |
August 17, 1999 |
| A pulverized coal burner includes a venturi for contracting a flow of a mixture of pulverized coal and primary air toward a central axis of a fuel nozzle 2. A spindle having a cone is provided coaxially with the central axis and gradually expands from an upstream side to a downstream sid |
| 5806443 |
Pulverized coal burner and method of using same |
September 15, 1998 |
| To provide a pulverized coal burner capable of reducing the NOx concentration at the time of a low load, a pulverized coal burner includes a secondary air nozzle and a tertiary air nozzle concentrically positioned about the outer periphery of a fuel nozzle carrying a pulverized coal with |
| 5764535 |
Furnace inside state estimation control apparatus of pulverized coal combustion furnace |
June 9, 1998 |
| When at least one of a distribution of gas composition and distribution of temperature inside a furnace is estimated by dividing the region inside the furnace into two-dimensional or three-dimensional cells, and calculating a gas flow rate, a gas reaction amount, a coal combustion ra |
| 5685242 |
Pulverized coal combustion burner |
November 11, 1997 |
| A pulverized coal combustion burner includes a pulverized coal nozzle, and secondary and tertiary air nozzles provided in concentric relation to the pulverized coal nozzle. A flame stabilizing ring is provided at an outlet end of the pulverized coal nozzle. A separation wall is provided |
