FINELY-POWDERED COAL BURNING BOILER

Provided is a finely-powdered coal burning boiler, which reduces an air-excess ratio thereby to reduce the emission of unburned contents such as CO. The finely-powdered coal burning boiler comprises finely-powdered coal feed measuring means (51) for measuring the feeding rates of the finely-powdered...

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Bibliographische Detailangaben
Hauptverfasser:	SHIMOHIRA, KATSUMI, OHYATSU, NORIYUKI, YOSHIZAKO, HIDEHISA, OKIMURA, HITOSHI, MIYAKE, SEISHI
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AIR AIR SUPPLY BLASTING COMBUSTION APPARATUS COMBUSTION PROCESSES DRAUGHT-INDUCING FEEDING FUEL TO COMBUSTION APPARATUS HEATING INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT LIGHTING MEASURING MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL MECHANICAL ENGINEERING METERING BY VOLUME METHODS OF STEAM GENERATION METHODSOR APPARATUS FOR COMBUSTION USING FLUID FUELOR SOLID FUEL SUSPENDED IN PHYSICS REGULATING OR CONTROLLING COMBUSTION STEAM BOILERS STEAM GENERATION SUPERHEATING OF STEAM SUPPLYING NON-COMBUSTIBLE LIQUID OR GAS TESTING WEAPONS
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Beschreibung
Zusammenfassung:	Provided is a finely-powdered coal burning boiler, which reduces an air-excess ratio thereby to reduce the emission of unburned contents such as CO. The finely-powdered coal burning boiler comprises finely-powdered coal feed measuring means (51) for measuring the feeding rates of the finely-powdered coal to be conveyed through coal feeding pipes (43), individually, and control means (66) for calculating the burning air feeding rates to match the finely-powdered coal feeding rates thereby to send a control command signal to burning air feed adjusting means (64), so that a burner air ratio set by burner air ratio setting means may be kept on the basis of both the finely-powered coal feeding rate, which is measured by the finely-powdered coal feed measuring means (51), and the burning air feeding rate, which is measured by the burning air feeding rate measuring means and fed to a finely-powdered coal burner (61) connected to the coal feeding pipes (43).