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I’ve just started working in this field, and I’m not yet able to understand drawings completely. I hope professionals can let me know if there are any standards that explain the meaning of various symbols on drawings (process and instrumentation), thank you. Another question is how to become more familiar with the drawings?
The meanings of various symbols in the drawings are specified by national standards, and general drawings also come with an instruction sheet.
http://bbs.hcbbs.com/thread-11145-1-1.html Take your time; first look at the pipelines. How can one become more familiar with blueprints? Read more
The petrochemical industry has a standard for legends, which is also included in the process pipeline installation design manual; you can take a look at it.
Take a look at the two books, \"Chemical Engineering Drawing\" and CAD, and there should be no problem. The diagrams and explanations above are very detailed.
It is recommended to read the \"Unified Regulations on the Content and Depth of Construction Drawings for Chemical Process Design\" HG20519, as well as the Chemical Process Manual; these materials are available on the forum. There is also some information on legends. Learning is a gradual process; one must understand the importance of accumulation. When I review images, I take notes while looking at them, writing down what I understand and what I don’t, and then discussing it with my colleagues.
Generally, there are various symbols and legends explained on the home page image; otherwise, one can refer to the chemical process design manual and HG20519
You can take out the drawings that your design institute has prepared in the past; there are several pages in them dedicated to explaining symbols and icons!
When looking at the images, start by finding the homepage image; there should be one for each design
Generally, legitimate property owners will provide you with the specifications for various symbols as well as the symbols used in the drawings