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US 2015/0027671 A1Published application
Steel covering layer and method of surface treatment of heat transfer tube
AssigneeMitsubishi Heavy Industries, Ltd.
InventorsHideaki Sakurai, Seiji Kagawa, Tsuyoshi Miyachi, Takuya Okamoto
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Abstract
A steel covering layer according to the present invention includes a surface layer formed of a low surface energy material and formed on the surface of a heat transfer tube.
Claims10
A steel covering layer comprising:
- a surface layer formed of a low surface energy material and formed on a surface of a heat transfer tube;
- and
- a binder layer provided between the heat transfer tube and the surface layer, the binder layer containing a glass coating agent composed of a Si—O structure.
A method of surface treatment of a heat transfer tube comprising:
- forming a binder layer on a surface of the heat transfer tube, the binder layer containing a glass coating agent composed of a Si—O structure;
- applying a solution including a low surface energy material to the surface of the heat transfer tube;
- and
- performing heat treatment to cure the solution to form a surface layer.
1 more element
Dependencies are inferred from the claim text.