APPARATUS FOR LOW CONCENTRATION NOX COMBUSTION

A combustion apparatus for low concentration NOx for burning gas, oil and coal along the same axis, having overcome the drawbacks of the prior art, without hindering the whirling of the air and also having prevented clogging of the nozzle and combustion vibration is provided, which apparatus is prov...

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Bibliographische Detailangaben
Hauptverfasser:	NAKASHITA, SHIGETO, MASAI, TADAHISA, MORITA, SHIGEKI
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	AIR BLASTING BURNERS COMBUSTION APPARATUS COMBUSTION PROCESSES HEATING LIGHTING MECHANICAL ENGINEERING METHODSOR APPARATUS FOR COMBUSTION USING FLUID FUELOR SOLID FUEL SUSPENDED IN WEAPONS
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Beschreibung
Zusammenfassung:	A combustion apparatus for low concentration NOx for burning gas, oil and coal along the same axis, having overcome the drawbacks of the prior art, without hindering the whirling of the air and also having prevented clogging of the nozzle and combustion vibration is provided, which apparatus is provided with a means for carrying pulverized coal by a primary air, a means for feeding a gas fuel through a gas nozzle, a means for separating combustion air into a secondary air and a tertiary air and feeding these airs, and a means for feeding and spraying an oil, and which apparatus is characterized by providing an annular space part between the flow paths of the secondary air and the tertiary air; and also arranging the gas nozzle penetrating through the annular space part in a movable manner in the axial direction.