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Process Drawings
The training document details the importance of process drawings like process flow diagrams (PFD) and piping and instrumentation diagrams (P&ID) in understanding plant operations. It highlights the essential components of these drawings, including legends, title blocks, and the significance of electrical schematics in engineering. The document emphasizes how these diagrams simplify complex processes and facilitate effective communication among engineering personnel.
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Introduction to process drawings and the presenter, Musharif Hussain, Sr. Engineer (I&C).
Training aims include understanding Process Flow Sheets and various models like P&ID and PFD.
Drawings as standardized engineering language that simplifies processes using symbols for clarity.
Roles in process jobs: Project Engineer/Manager, Process Personnel, Technicians, and Operating staff.
Key components include Legends for symbols, Title Block for drawing info, and Application Block details.
Overview of various process diagrams: BFD, PFD, P&ID, Electrical Schematics, and Isometrics.
BFDs provide a broad overview of process sections and their relationships using flow arrows.
Visual representation of milling clarification process in a high-level overview through BFD.
PFD indicates material and utility flows, major equipment locations, and process details for clarity.
Continuation elaborating on the importance of the Process Flow Diagram.
P&ID draws detailed connections of equipment, instrumentation, pipe sizes, and design conditions.
P&ID is crucial for cost estimates, project scope, training, and safety analysis (HAZOP).
Detailing identification of essential instrumentation loops in P&ID.
Identification standards for instrumentation as per ISA S5.1 in P&ID.
Further identification of instrumentation loops reiterated for clarity in P&IDs.
Introduction to various drawing symbols used in engineering drawings.
Continuation on understanding drawing symbols crucial for interpretation.
Exercise showcasing parameters for evaluation in Process and Instrumentation diagrams.
Electrical schematics provide project power, lighting, and communication details through various plans.
Overview of symbols used in electrical schematics necessary for project representation.
Continued discussion on symbols within electrical schematics for clarity.
Presentation of single line electrical alongside P&ID for holistic understanding.
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Process Drawings
- 1. Process Drawings The Basics By MusharifHussain Sr. Engineer (I&C)
- 2. Scope of Training •Understand the importance of a Process Flow sheet • Know the various models used to represent the process systems like Piping and Instrumentation diagram (P&ID) and Process Flow Diagram (PFD) etc • Know the links between a Process drawing and plant operation • Explain the significance of a plant layout. • Introduction of Software to design a process diagram
- 3. Objective • Drawings are –Engineering Language / standardize information. – simplifies complicated processes by using symbols to represent unit operations. – easy to understand manner illustrate how all the parts or components of a system work together.
- 4. How by Who? •Carry out BMRE jobs by Project Engineer/Manager • Understand or explain a process by Process Personnel • Understand the process and equipment relationships, while installation and maintenance function by Process Technicians • Become familiar with the process in a safe Environment by Operating staff
- 5. Components • Legend – Thisis a table that explains or defines all the information of a drawing (Symbols, Abbreviations, Numbers, Tolerances, Any other specific detail) • Title Block – These are normally located in the bottom right-hand corner of drawings (Job Nomenclature, Drawing number, Revision number, Drawing title, Sheet number, Signatures, Allowances) • Application Block – Dimensions, Shapes, Descriptions, Relative position, Material of construction, Functions
- 6. Types & Classification •Block Flow Diagrams (BFD) • Process Flow Diagrams (PFD) • Piping/Plant and Instrument Diagrams (P&ID) • Electrical Schematics • Isometrics (2D/3D) • Combinations of two or more
- 7. Block Flow Diagram(BFD) . . . • Provide a very broad overview of the process and contain very few specific details. • Block Flow diagrams represent sections of the process as blocks and they show the order and relationship between sections using flow arrows.
- 8. • Block Flowdiagrams are useful in getting a high level initial understanding of a process. Block Flow Diagram (BFD) Milling Clarification Evaporation & Boiling Refining & Crystallization Bagging
- 9. Process Flow Diagram(PFD) . . . • All incoming and outgoing materials along with related utilities are indicated to cause convenience to trace the flow through the chemical plant. • Provides critical information about: – Major equipment(s) in each area of the plant along with their location – type of connection used in each stage of the process – Utilities and substances/compounds used in a process
- 10. Process Flow Diagram(PFD)
- 11. Piping & InstrumentationDiagram (P&ID) . . . • P&ID’s are detailed drawings that reflects: –All the equipments used –Complete instrumentation methodology (loops, type and connections) –Size and type of pipe –Design conditions of the equipment –Special Process Requirements
- 12. • Essential forcomputing: – Tentative cost estimates – Project scope – Record of the as built plant configuration – Operational procedures and training aspects – Hazard and operability analysis (HAZOP) – Process safety management (HSE) Piping & Instrumentation Diagram (P&ID) . . .
- 13. Piping & InstrumentationDiagram (P&ID) . . .
- 14. Piping & InstrumentationDiagram (P&ID) . . . Identification of Instrumentation Loop
- 15. Piping & InstrumentationDiagram (P&ID) Instrument Identification (ISA S5.1)
- 16. Piping & InstrumentationDiagram (P&ID) . . . Identification of Instrumentation Loop
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- 19. P&I and PFDiagram Exercise Mode Parameters 1 2 3 4 5 6 Medium Normal Pressure (Bar) Temperature (0C) Flow (T/Hr) Line Dia (mm) Maximum Pressure (Bar) Temperature (0C) Flow (T/Hr) Line Dia (mm) Minimum Pressure (Bar) Temperature (0C) Flow (T/Hr) Line Dia (mm) Company Matiari Sugar Mills Pvt. Ltd. Project / Equipment: Evaporator 1A Juice and Condensate Control (Process House) Scale Revision & Date: Drawn by: Checked by: Approved by TI-001 LIC-001 TI-002 LCV-001 PI-001 LIC-002 PI-002 LI-002 LCV-002 LIC 001 LCV 001 TI 001 TI 002 LCV 002 LI 002 LIC 002 1 2 3 4 5 6 PI 001 PI 002
- 20. Electrical Schematics/Drawings • ElectricalDrawing shows information about power, lighting and communication of an engineering project. • It consists of lines, symbols, dimensions, notations etc. – Plot plans showing equipment location – Floor plans showing electric system of each floor – Power riser diagrams showing panel boards – Wiring diagrams – Schedules for other information
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- 23. Single Line Electricaland P&ID