Babcock-Hitachi Kabushiki Kaisha

Noriyuki Oyatsu

Hironobu Kobayashi

Shigeki Morita

Akira Baba

Hiroyuki Kaku

Kunio Okiura

A burner apparatus for pulverized coal comprises a pulverized coal supply pipe, a starter oil burner extending within the pulverized coal supply pipe to define therebetween a tubular passage through which a mixture of combustion air and pulverized coal passes into a furnace, a flame holder provided at an outer periphery of one end of the pulverizerd coal supply pipe facing to the furnace, a cylindrical member disposed in the tubular passage for dividing a part thereof into two coaxial passage parts, and a valve adapted to close an axial end opening of the cylindrical member for varying a concentration of pulverized coal in a radial outer passage part of the coaxial passage parts.

Growing community of inventors

Kure, Japan

Noriyuki Oyatsu