Regarding the handling of double flange liquid levels?
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The on-site double flange liquid level gauge is used to measure sulfur-containing steam. Over time, the sulfur solidifies on the flange surface and becomes hard and cannot be removed. I would like to ask you for advice on how to deal with it. It cannot be blown off with 0.35MPA/1.0 steam. If the temperature is high, the membrane box may be damaged.
There is no problem at all. We can still use it at 500 degrees. As long as the temperature is right, sulfur will not crystallize.
Cleaning by chemical method is to use a solution that can react chemically with sulfur.
Install an isolation tank to prevent gas from contacting the diaphragm.
First, chemical cleaning is recommended, and then it is recommended to add an isolation diaphragm.
After reading everyone’s replies, I have also gained more knowledge.