Title:
SOOT BLOWING DEVICE
Document Type and Number:
Japanese Patent JP3089147
Kind Code:
B2
Abstract:
PURPOSE: To prevent a seizure and occurrence of scar caused by the contact of the outer surface of an jetted medium supplying pipe with a projection of a deformed part of an inner circumferential surface of a lance tube.
CONSTITUTION: A ring-like support 14 is fitted near a connection part 12 of a lance tube 7b at its extremely end under its non-fixed condition so as to support a jetted medium supplying pipe 2. The inner circumferential surface 15 of the ring-like support 14 has a projection having gradual curved surface and then either a surface hardening treatment such as a nitriding processing or a baking processing of solid lubricant agent such as molybdenum disulfide or the like is applied. At the outer circumference part of it is provided with a medium flowing clearance 16 so as to perform a cooling operation for it.
Inventors:
Toshiyuki Nagao
Masaaki Miyamoto
Yasushi Okuda
Masaaki Miyamoto
Yasushi Okuda
Application Number:
JP27202693A
Publication Date:
September 18, 2000
Filing Date:
October 29, 1993
Export Citation:
Assignee:
MITSUBISHI HEAVY INDUSTRIES,LTD.
International Classes:
F23J3/00; F28G1/16; (IPC1-7): F23J3/00
Domestic Patent References:
| JP63290315A | ||||
| JP5883639U |
Other References:
【文献】特許130879(JP,C2)
Attorney, Agent or Firm:
Arata Ishikawa