What are the common insulation materials used for pipes? How to choose the thickness?
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What are the common insulation materials used for pipes? How to choose the thickness?
This should be available; based on past projects, we often use it directly, which shows that there’s no need for precise calculations for each one
The quick reference manual for the installation design of petrochemical pipelines lists common insulation materials such as rock wool, aluminum silicate, and ultra-fine glass wool, along with tables for selecting the appropriate insulation thickness
Is there any reason for choosing one of these insulation materials over others?
Polyurethane foam is used more frequently these days; the thickness design can be found in the principles of chemical engineering.
Polyurethane foam should be used primarily for insulation or in pipes at room temperature
You can look this up in manuals on chemical process design, petrochemical design, thermal engineering, and other related materials
Generally, each project has unified regulations; the content is similar to HG/T20519, only more detailed and specific. This includes information on insulation materials as well as tables related to heat and cold insulation, which are prepared based on pipe diameter and temperature. One simply needs to refer to these tables; if they are not available, one can draw inspiration from previous projects!
It should be based on the properties of the medium and the temperature requirements