For those who are new to Piping & Instrumentation Diagrams, I wanted to draw one from scratch to show just some of the different elements and intricacies one may find. We draw a basic storage tank and the lines & instruments around the tank. Apart from the drawing, there's also chat about general process principles that are incidental to the drawing.
00:00 Intro & title block
02:30 Equipment numbering
04:57 Line numbering, pipe class, fluid code & insulation
10:01 Flanges & nozzles
11:49 Isolation valves & reducers
13:41 Outlet line
15:00 Temperature measurement (thermocouple)
17:56 Temperature alarm
18:30 Level measurement (differential pressure cell)
20:41 Level control
21:45 Multiple instruments & middle of 3 control
24:38 Level alarms & safety interlocks (cause & effect)
28:42 Drain, vent & manhole
30:07 Final thoughts
Process with Pat is the place to come for perspective and to ask stupid questions. I want you to leave more knowledgeable, confident, motivated, and most importantly, curious. I also want to invigorate a field that seems tired and uninspiring, at least if you get your perspective from internet forums. These are not lectures. This is a place for you to leave thinking “Oh! That’s why...”
This channel is not only for chemical engineers - anyone who works with processes should be able to find something of value here.
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