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A process for corrosion protection of the inside surfaces of consisting of iron or iron alloys tubes consisting of high temperature - high pressure vessels
A process for corrosion protection of the inside surfaces of consisting of iron or iron alloys tubes consisting of high temperature - high pressure vessels
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机译:一种由铁或铁合金管组成的内表面的腐蚀防护工艺,该管由高温高压容器组成
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摘要
Boiler tubes are protected by passing a lithium hydroxide solution therethrough. The concentration is preferably above 2.5 N and carried out at 300 DEG C. The solution may be used after pickling and may be followed with treatment by caustic soda.
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