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How to Establish the Initial Feed

The most important step in creating the simulation is to set the initial feed of material for the plant. The initial feed effects all calculations in the simulation.

Establish and Adjust the Initial Feed

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Select and place a Start Point on the worksheet.
Select the Start Point (it will turn blue).
Right-click and select Adjust Feed Stream from the shortcut menu.
Follow the steps in the Adjust Feed Stream window to establish the initial feed.
- STEP 1 - Select the databases to use, each database selected will display available and saved feed gradations
- STEP 2 - Select the feed gradation by selecting a feed type and then selecting a gradation from the gradation columns
- STEP 3 - input a feed rate, and use the tabs to add water, power or set emissions.
If the actual feed gradation is known or is not available from the stored gradations, a new feed gradation can be added by clicking on Create New Feed

Learn More: Adjusting the Initial Feed Stream

The initial feed gradation is hard to measure because material sizes at this stage are typically larger than 8 inches (200 mm). The most important factor in determining the initial feed gradation is the amount of material that passes through the first screening point. For example, if the feed is to a grizzly feeder with a 5-inch bar opening (125 mm), then an accurate value for the percent of material passing 5 inches is required.

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