Material selection issues for waste chlorine gas absorption unit
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This post was last edited by sunjl1981 on 2013-1-6 22:06 The waste chlorine absorption tower has a diameter of 2.5 meters and a height of 16 meters. What material should be selected for this type of tower? What materials should be selected for the inlet and outlet pipes of the alkali circulation pump? Thank you #hcbbs
PVC/FRP composite material can be used. Because the materials of the waste chlorine absorption tower are waste chlorine gas and sodium hypochlorite solution, the working temperature is generally 40-60°C, and the working pressure is generally -0.005-0.03
The best choice for chlorine scrubber material is titanium. PP pipes can be used for alkaline circulation. If you think PP pipes will age over time, you can choose nickel pipes.
The chlorine scrubbing tower is made of steel lined with rubber, the inlet pipe of the sodium hypochlorite circulation pump is made of CPVC, and the outlet pipe is made of steel lined with PTFE. Is it possible to select materials like this?
The waste chlorine absorption tower is made of fiberglass, the pipes are made of fiberglass, and the pump is made of trifluoroethylene pump. This saves money. If graphite is used as filler in the inner layer of FRP, this solution would be better
The chlorine scrubbing tower is made of steel lined with rubber, the inlet pipe of the sodium hypochlorite circulation pump is made of CPVC, and the outlet pipe is made of steel lined with PTFE. Is it possible to select materials like this? If you see this, please reply, thank you!
Carbon steel is lined with PE, both for towers and pipes. This is how we designed it and it works well.
It is recommended to choose steel + non-metal material for large-size waste chlorine absorption unit. Steel-lined PE, steel-lined rubber, etc. can be selected according to different regions.
PVC/FRP composite material can be used. Because the materials of the waste chlorine absorption tower are waste chlorine gas and sodium hypochlorite solution, the working temperature is generally 40-60°C, and the working pressure is generally -0.005-0.03. This solution is feasible and the most standard configuration.
The absorption tower can be lined with FRP and CPVC, the exhaust tower can be made of FRP, and the filler can be made of CPVC. The inlet and outlet pipes of the circulation pump are preferably made of Ti material.