OIL-FIRED BURNER, SOLID FUEL-FIRED BURNER UNIT AND SOLID FUEL-FIRED BOILER

An oil-fired burner (30A) for worming which is provided adjacent to the outer periphery of a pulverized coal burner for charging pulverized coal and air into a furnace is provided with an oil gun (32) disposed at the center of an outlet opening of a nozzle body (31) having an approximately rectangul...

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Bibliographic Details
Main Authors KASAI, JUN, MATSUMOTO, KEIGO, ABE, NAOFUMI, DOMOTO, KAZUHIRO
Format Patent
LanguageEnglish
French
German
Published 03.06.2015
Subjects
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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Summary:An oil-fired burner (30A) for worming which is provided adjacent to the outer periphery of a pulverized coal burner for charging pulverized coal and air into a furnace is provided with an oil gun (32) disposed at the center of an outlet opening of a nozzle body (31) having an approximately rectangular cross section in order to charge oil fuel, and a secondary air charging port (40) provided so as to surround the outer periphery of the oil gun (32), and the secondary air charging port (40) is configured from a central arc part (41) having a shape approximately similar to a circular diffuser (34) attached to the leading end side of the oil gun (32), and rectangular parts (42L, 42R) provided continuously with both sides of the central arc part (41) and each having a narrowed space between surfaces in the direction of the adjacency such that the distance from the pulverized coal burner is increased.
Bibliography:Application Number: EP20120848949