Title:
HEAT TRANSFER PANEL STRUCTURE FOR BOILER
Document Type and Number:
WIPO Patent Application WO/2021/149196
Kind Code:
A1
Abstract:
A heat transfer panel structure for a boiler, comprising a heat transfer tube group formed so as to include a plurality of heat transfer tubes that are suspended in the furnace of a boiler and that have one end connected to an inlet header and the other end connected to an outlet header, wherein: each of the heat transfer tubes has an inlet straight tube part, an outlet straight tube part, and a curved part linking the inlet straight tube part and the outlet straight tube part; the plurality of heat transfer tubes have an innermost peripheral tube in which the curvature of the curved part is the greatest, and a first outer peripheral tube that includes a curved part having a curvature smaller than the curvature of the curved part of the innermost peripheral tube and that is positioned on the other periphery of the innermost peripheral tube; and a redundant part for absorbing the thermal elongation of the innermost peripheral tube is formed on the outlet straight tube part of the innermost peripheral tube.
Inventors:
MUROYA KENGO (JP)
KIKUHARA SEIJI (JP)
FURUKAWA ATSUSHI (JP)
KIKUHARA SEIJI (JP)
FURUKAWA ATSUSHI (JP)
Application Number:
PCT/JP2020/002152
Publication Date:
July 29, 2021
Filing Date:
January 22, 2020
Export Citation:
Assignee:
MITSUBISHI POWER LTD (JP)
International Classes:
F22B37/22; F22B1/18; F22G3/00
Foreign References:
| JP2005156121A | 2005-06-16 | |||
| JPH06147410A | 1994-05-27 | |||
| JPS6330705U | 1988-02-29 | |||
| JPS61135112U | 1986-08-22 | |||
| JPH11218302A | 1999-08-10 | |||
| CN106594698A | 2017-04-26 | |||
| JP2019203661A | 2019-11-28 |
Attorney, Agent or Firm:
THE PATENT BODY CORPORATE TAKEWA INTERNATIONAL PATENT OFFICE (JP)
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