Design of anion and cation exchangers and filters in water treatment equipment
Thread Content
According to the TSG Solid Waste Regulations, ion exchangers, filters, and air dissolution tanks used in water treatment equipment do not require supervision or inspection; then, is it necessary to stamp the design drawings?
Also, does this type of equipment require supervision and inspection by a special inspection agency?
The drawings produced must definitely be stamped
Is supervision required for process manufacturing? The fixed volume gauge doesn’t specify it clearly
This post was last edited by 342813531 on 2022-1-24 09:25. Hello, do you also work with ion columns? I have used this device before, and my understanding is that if it’s all in a liquid phase, it doesn’t fall under the category of special equipment; although the operating pressure is high, no inspections have been carried out on it ； If reverse washing is to be carried out in a space where gas is used or where there is pressure, it should logically be designed accordingly and subject to inspection ； Everyone is welcome to point out any mistakes
Yes, we manufacture mixed-bed and cation-anion equipment, and it seems that the specifications regarding solid content aren’t clearly defined
I remember attending a meeting where it was said that ion exchangers are not considered pressure vessels, while quartz sand filters are pressure vessels; but then the matter was left unresolved
What meeting? Are there any relevant meeting minutes? This still requires documentation to support it.