PRO/II-Getting Started Guide

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The floating PFD palette, for adding streams and units, appears first at the right of the flowsheet window. The floating PFD palette may be moved anywhere on the desktop by clicking on its title bar, holding the left mouse button down, and dragging it to its new location. The floating Run palette can be relocated in the same manner.Process UnitsStart building the process flowsheet for this session by laying down each process unit and stream, one by one, on the PFD. Use Figure 6-3 as a guide.
1. For separator F1, move the mouse cursor to the floating PFD palette and click Flash icon.
2. To add the unit, click anywhere on the main PFD window.
3. Scroll down the PFD palette to select an expander (EX1) and place it on the PFD.
4. Repeat the procedure for valve (V1).Figure 6-3: Adding Process Units to the PFDMoving icons around on the main PFD window is easy.
5. Place the cursor on an icon, press and hold the left mouse but-ton, and drag it to a new location. 6. Release the mouse button to drop the icon at the position of the mouse cursor.
7. Connect the unit operations by adding process streams to the PFD. Process streams define the heat and material flow of the simulation.Process StreamsTo add process streams:1. Click Streams on the floating PFD palette.
The cursor changes to an arrow with an S attached. You can now add streams to your flowsheet. Notice that all possible OUTLET ports appear on each unit as soon as Streams is selected. The required outlet ports are colored red, while the optional ones are green.