钢管内壁防腐施工技术方案
Anti-corrosion technique plan of the pipe ’s inner wall
1.施工工艺 construction technology
喷砂除锈 检验 底漆 检验 面漆 检验 喷
涂标志 出厂
Blast cleaning → inspection → primer → inspection → finishing
coat→ inspection →spraying mark →delivery
2. 喷砂除锈 blast cleaning
2.1 管道内表面高压喷砂除锈达到 AWWAC210-97规定要求,表面粗糙
度达到 40- 70μm;
The pipe’s inner face should reach the AWWAC210-97
requirements after high press