Читать книгу Petroleum Refining Design and Applications Handbook - A. Kayode Coker - Страница 54

From the basic process containing flowsheet, other engineering specialties develop their own details. For example, the instrument engineer often takes the requirements of the process and prepares a completely detailed flowsheet which defines every action of the instruments, control valves, switches, alarm horns, signal lights, etc. This is his/her detailed working tool.

The electrical engineer likewise takes basic process and plant layout requirements and translates them into details for the entire electrical performance of the plant. This will include the electrical requirements of the instrumentation in many cases, but if not, they must be coordinated. O’Donnell [10] has described the engineering aspects of these special flowsheets.