Title:
【発明の名称】超低NOx燃焼装置
Document Type and Number:
Japanese Patent JP2526236
Kind Code:
B2
Abstract:
A combustion apparatus for low concentration NOx for burning gas, oil and coal along the same axis, provided with a means (4,5,6) for carrying pulverized coal by a primary air, a means (2,11,13) for feeding a gas fuel through a gas nozzle (3,12), a means (17,18,20) for separating combustion air into a secondary air and a tertiary air and feeding these airs, and a means (2,3) for feeding and spraying an oil, and which apparatus is characterized by providing an annular space part (44) between the flow paths of the secondary air and the tertiary air; and also arranging the gas nozzle (12) penetrating through the annular space part (44) in a movable manner in the axial direction.
Inventors:
Tadahisa Masai
Morita Shigeki
Middle lower adult
Morita Shigeki
Middle lower adult
Application Number:
JP4472887A
Publication Date:
August 21, 1996
Filing Date:
February 27, 1987
Export Citation:
Assignee:
Babkotsu Hitachi Co., Ltd.
International Classes:
F23D1/00; F23C99/00; F23D17/00; (IPC1-7): F23D17/00; F23C11/00
Domestic Patent References:
JP5623614A | ||||
JP5883628U |
Attorney, Agent or Firm:
Kawakita Takecho