Ceiling-penetrating sealing device for heating surface of ultra-supercritical boiler

• Main Authors: YAN XIAOHUA, CUI YIMIN, LOU YUMIN, WANG XIANMING, FENG CHENGKAI, HUANG HUAJUN, REN YU
• Format: Patent
• Language: Chinese; English
• Published: 26.07.2022
• Subjects: BLASTING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; JOINTS OR FITTINGS FOR PIPES; LIGHTING; MEANS FOR THERMAL INSULATION IN GENERAL; MECHANICAL ENGINEERING; METHODS OF STEAM GENERATION; PIPES; STEAM BOILERS; STEAM GENERATION; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; THERMAL INSULATION IN GENERAL; WEAPONS

The utility model relates to a ceiling penetrating sealing device for a heating surface of an ultra-supercritical boiler. The ceiling penetrating sealing device comprises a heating surface pipe, a top sealing plate, a high-crown vertical plate, a positioning clamping block, a sealing corrugated plate and plastic castable, the top sealing plate is mounted on the side surface of the heating surface pipe; the high-crown vertical plates are arranged below the top sealing plate in the axial direction and attached to the two sides of the heating surface pipe; plastic castable is filled between the high crown vertical plate and the heating surface pipe; the positioning clamping block is arranged above the top sealing plate in the axial direction and is welded and fixed to the two sides of the heating surface pipe; the sealing corrugated plate is located between the high crown vertical plate and the positioning clamping block and is welded and fixed to the two sides of the heating surface pipe. The sealing structure