| 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 |
| 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 |
| 7213522 |
Solid fuel burner, solid fuel burner combustion method, combustion apparatus and combustion appa |
May 8, 2007 |
| A solid fuel burner and its combustion method suited for encouraging fuel ignition and avoiding slugging caused by combustion ash, wherein a gas of low oxygen concentration (exhaust combustion gas) is used as a carrier gas of such a low grade solid fuel as brown coal.Means for Solving th |
| 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 |
| 6715432 |
Solid fuel burner and method of combustion using solid fuel burner |
April 6, 2004 |
| According to a burner of the present invention, a stable combustion is obtained in a wide range from a high-load operation condition to a low-load operation condition even in the case of low quality solid fuel such as brown coal.The amount of air supplied from additional air holes or add |
| 6490985 |
Boiler |
December 10, 2002 |
| The invention provides a boiler provided with low cost means which can reduce a concentration of CO, an unburned matter, an attached ash and the like near a side wall and maintain a combustion state well with a simple structure. In a boiler having a combustion chamber 13 formed by front |
| 6338304 |
Boiler |
January 15, 2002 |
| A boiler has a combustion chamber formed by front and rear walls and a side wall extending between the front and rear walls. Plural stages of burners are placed on at least one of the front and rear walls. In the front and rear walls are opposing gas jets for making a pressure of the gas |
| 6298796 |
Fine coal powder combustion method for a fine coal powder combustion burner |
October 9, 2001 |
| A burner for burning fine coal powder comprising: a fine coal powder nozzle 10 for injecting a mixture of the fine coal powder and air; and air nozzles 11, 12 for injecting air: wherein the sufficient amount of air for complete combustion of the fine coal powder is supplied from the air |
| 6237510 |
Combustion burner and combustion device provided with same |
May 29, 2001 |
| A combustion burner includes a mixture nozzle (2) defining a mixture fluid passage through which a mixture fluid (1) containing pulverized coal and conveyor gas flows toward a furnace, secondary and tertiary air passages surrounding the mixture nozzle (2), through which secondary air (6) |
| 6189464 |
Pulverized coal combustion burner and combustion method thereby |
February 20, 2001 |
| A combustion method utilizing a pulverized coal combustion burner which is provided with a pulverized coal nozzle for jetting a fluid mixture of pulverized coal and air and an air nozzle for jetting air. In the method, a combustion flame formed by the pulverized coal combustion burner fo |
| 6152051 |
Powered fuel combustion burner with nozzle flow guide |
November 28, 2000 |
| A combustion burner includes a mixture nozzle, a gas supply nozzle, and a flow guide. The mixture nozzle extends toward an interior of a furnace, and defines a mixture passage through which a mixture containing powdered solid fuel and gas for transferring the solid fuel flows. A distal e |
| 6112676 |
Pulverized coal burner |
September 5, 2000 |
| A pulverized coal burner includes a pulverized coal nozzle for jetting a mixture of pulverized coal and primary air, a secondary air nozzle and a tertiary air nozzle, concentrically arranged around the outer periphery of the pulverized coal nozzle, and a tube expanded portion at the end |
| 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 |
| 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 |
