Title:
BOILER DEVICE, AND REINFORCEMENT STRUCTURE OF BOILER FURNACE WALL
Document Type and Number:
WIPO Patent Application WO/2021/192461
Kind Code:
A1
Abstract:
Provided is a boiler device with which it is possible to suppress weld cracking that occurs at the fixing point of a tie bar. The present invention comprises: a boiler body 1 having a furnace wall 5 composed of water tubes 7; a steel column 12 that is disposed around the boiler body 1; a back stay 20 that surrounds the boiler body 1 and extends horizontally; a tie bar 30 that supports the back stay 20 on the furnace wall 5; and a seismic tie 13 that is interposed between the steel column 12 and the back stay 20. The anchor portion set on the tie bar 30 is configured as an anchor plate 32 separated from the tie bar 30, the anchor plate 32 is fixed by welding to the boiler furnace wall 5, a protruding piece 30a which is formed on the tie bar 30 is brought into recess-projection engagement with a groove 32a, which is formed in the anchor plate 32, with a gap therebetween, and a stopper member 34 prevents the protruding piece 30a from falling out of the groove 32a.
Inventors:
HASHIMOTO MASAMITSU (JP)
NOGAMINE SHO (JP)
HIGASHIKAWA KENJI (JP)
NOGAMINE SHO (JP)
HIGASHIKAWA KENJI (JP)
Application Number:
PCT/JP2020/047725
Publication Date:
September 30, 2021
Filing Date:
December 21, 2020
Export Citation:
Assignee:
MITSUBISHI POWER LTD (JP)
International Classes:
F22B37/24
Foreign References:
| US5557901A | 1996-09-24 | |||
| JPH06101804A | 1994-04-12 | |||
| JPS5238648A | 1977-03-25 | |||
| JPS5771902U | 1982-05-01 | |||
| JPH01291002A | 1989-11-22 | |||
| JPS53118601A | 1978-10-17 |
Attorney, Agent or Firm:
THE PATENT BODY CORPORATE TAKEWA INTERNATIONAL PATENT OFFICE (JP)
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