Hydrogen sulfide pipeline
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The medium flowing in the pipeline is hydrogen sulfide. I would like to know how often hydrogen sulfide pipelines need to be replaced, what the relevant standards are, and what materials are best suitable for hydrogen sulfide pipelines and carbon disulfide pipelines What will be the consequences if it is not replaced in time? I’m sorry to bother all of you; first of all, thank you for your help.
The main problem with hydrogen sulfide is corrosion; the replacement cycle depends on the specific circumstances
The management of the replacement cycle should depend on the pipe material, corrosion conditions, and pressure inside the pipe. In the event of a leak, it depends on the surrounding conditions; if it occurs in a confined space, there is a risk of acute asphyxiant gas poisoning. Toxic gas detection and alarm devices should be installed.
It is mainly sulfur corrosion; regular material analysis is conducted to monitor changes in various parameters, after which the replacement cycle is determined.
It is recommended to regularly measure the wall thickness of the pipes to determine whether replacement is necessary. As for the corrosiveness of Hs, if funding is no issue, 316Ti can be tried out
The degree of corrosion depends on the hydrogen sulfide content in the medium; if corrosion protection is needed, it’s better to use 316 titanium
1. For low-pressure applications, fiberglass pipes can be used; pay attention to static electricity prevention. 2. 304 pipes can be used; they are slightly more expensive, but still cost-effective. 3. Carbon steel pipes can be used, but sulfur corrosion is severe; self-igniting ferrous sulfide is likely to form, making shutdown for treatment quite troublesome. 4. If possible, use sulfur-resistant materials.