Title:
GAS SEAL MECHANISM OF BOILER AND FLUE CINDER REMOVAL DEVICE COMPRISING THE SAME
Document Type and Number:
Japanese Patent JP2023169773
Kind Code:
A
Abstract:
To provide a gas seal mechanism that can seal a through hole of an outer shell wall of a waste heat boiler penetrated by a hit part of a connection shaft connected to a water tube group, and a flue cinder removal device comprising the same.SOLUTION: A gas seal mechanism seals a through hole 2a of an outer shell wall of a boiler penetrated by a tip part of a connection shaft 13A or 13B connected to a water tube group in the boiler, and comprises: a cylindrical casing part 21 provided on a peripheral edge part of the through hole 2a so as to surround the tip part of the connection shaft 13A or 13B; a flexible seal member 22 provided over an entire circumference along an inner wall surface of the casing part 21; a cylindrical sliding contact part 23 located inside the casing 21, and in sliding contact with the seal member 22 over an entire circumference; and a plate-like member 24 connected to an inner wall surface of the sliding contact part 23 over an entire circumference, and provided around the tip part of the connection shaft 13A or 13B.SELECTED DRAWING: Figure 6
Inventors:
MANABE KAZUKI
Application Number:
JP2022081092A
Publication Date:
November 30, 2023
Filing Date:
May 17, 2022
Export Citation:
Assignee:
SUMITOMO METAL MINING CO
International Classes:
F22B37/48; F22B37/36; F27D17/00
Attorney, Agent or Firm:
Norinori Tsujikawa
Mitsuru Kimura
Mitsuru Kimura
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