Block Flow Diagram
Title: Block flow diagram
Authors: Nick Pinkerton, Karen Schmidt, and James Xamplas
Date Presented: January 15, 2013 /Date Revised: January 18, 2013
Block Flow Diagrams, BFDs, are process flow models used to simplify and understand the structure of a system. BFDs are the simplest form of the flow diagrams used where blocks can represent anything from a single piece of equipment to an entire plant. For a complex process, block flow diagrams can be used to break up a complicated system into more reasonable principle stages.
Block flow diagram
BFD's are a useful tool for reports, textbooks and presentations when a detailed process flow diagram is too cumbersome.
BFDs come in many forms and styles. They can be extremely simple or very detailed in their explanation of a process.
The simplest form of BFD, the I/O (input/output) Diagram provides the material streams entering and exiting the process. The diagram is modeled using arrows entering and exiting a process box to represent the inputs and outputs respectively.
Example 1: Acrylic Acid From Propylene by Catalytic Oxidation
Block Flow Diagram Example 1: Acrylic Acid From Propylene by Catalytic Oxidation
Example 2: Isopropyl Alcohol from Propylene by Direct Hydration
Block Flow Diagram Example 2: Isopropyl Alcohol from Propylene by Direct Hydration
Example 3: Caprolactam From Toluene
Block Flow Diagram Example 3: Caprolactam From Toluene
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