Tube shield and a method for attaching such shield to a boiler tube
Номер патента: EP2118563A1
Опубликовано: 18-11-2009
Автор(ы): Lennart Nordh
Принадлежит: Metso Power AB
Опубликовано: 18-11-2009
Автор(ы): Lennart Nordh
Принадлежит: Metso Power AB
Реферат: A tube shield (10) having a cylindrical shape and adapted to be attached with refractory cement (R) around an outer peripheral surface of a boiler tube (T), wherein said tube shield (10) comprising at least two tube shield parts (1) for surrounding the boiler tube (T). The shield parts having complimentary parting surfaces for defining a gap, between abutting complimentary parting surfaces of adjacent shield parts when the shield parts are attached with refractory cement (R) around the boiler tube (T). Each shield part encloses 140-220° preferably , 180° of the total circumference of the boiler tube (T) . Each complimentary parting surface is configured in a dovetail form such that one shield part (1a) is locking into the other shield part (1b) with dovetail protrusions (DP) located in dovetail slots (DS) in the other shield part (1).
Method for the adhesion of a layer of fluorosilicone rubber to a layer of silicone rubber
Номер патента: US09908308B2. Автор: Shaohui Wang. Владелец: Dow Corning China Holding Co Ltd. Дата публикации: 2018-03-06.