Title:
CHIMNEY
Document Type and Number:
Japanese Patent JP2003139321
Kind Code:
A
Abstract:
To provide a chimney useful for environmental protection preventing generation of dioxin or other toxic substances as much as possible.
An air cooling part 4 and a water cooling part 5 for cooling combustion gas is provided in a midway part of a smoke tube 10. Double tube structure parts covering outer tubes 11 and 21 are provided in a plurality of portions of an outer side of the smoke tube 10, the air cooling part 4 is provided with an air passage R1 formed between the smoke tube 10 and the outer tube 11 of the double tube structure parts, and the water cooling part 5 is provided with a cooling water circulating passage R2 formed between the smoke tube 10 and the outer tube 21 of the double tube structure parts.
Inventors:
KITANO ZENICHI
Application Number:
JP2001339221A
Publication Date:
May 14, 2003
Filing Date:
November 05, 2001
Export Citation:
Assignee:
MARUKI CO LTD
International Classes:
F23L17/00; F23J13/02; F23J15/06; (IPC1-7): F23J15/06; F23J13/02; F23L17/00
Attorney, Agent or Firm:
Kenichiro Matsuo (1 outside)