Title:
シャフト炉式廃棄物溶融炉における送風羽口のパージ方法
Document Type and Number:
Japanese Patent JP4388481
Kind Code:
B2
Abstract:
To provide a purging method and its device for a blast tuyere in a shaft furnace type waste melting furnace capable of preventing back flow of not only a furnace gas but also a molten matter in the furnace, even when blasting is suddenly stopped.
Purge gas piping 11 for delivering a purge gas to the blast tuyere 8 is connected with the neighborhood of a blast tuyere 8 of oxygen-enriched air piping 7 at a downstream side of a blast tuyere header pipe 6, and the purge gas is delivered therefrom. Further, a pressure accumulator 12 for storing the pressurized purge gas, is mounted in the purge gas piping 11, so that the purge gas is delivered with pressure simultaneously with the stop of blasting.
COPYRIGHT: (C)2006,JPO&NCIPI
Inventors:
Hirokazu Tanaka
Ken Takamiya
Nobuhiro Tanigaki
Ken Takamiya
Nobuhiro Tanigaki
Application Number:
JP2005009924A
Publication Date:
December 24, 2009
Filing Date:
January 18, 2005
Export Citation:
Assignee:
Nippon Steel Engineering Co., Ltd.
International Classes:
F23G5/24; F23G5/44; F27B1/16
Domestic Patent References:
| JP3243704A | ||||
| JP6137554A | ||||
| JP2003077502A | ||||
| JP11281512A | ||||
| JP2000088236A | ||||
| JP2000356340A | ||||
| JP57143421A |
Attorney, Agent or Firm:
Masu Kobori
Takato Tsutsumi
Takato Tsutsumi