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DWasher is used to wash pulp stream and neutralize its pH. Displacement ratio is estimated with predictive equations.
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What do you want to see?
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Data Description
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Data |
Unit |
Description |
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Set |
Item |
Type |
Native |
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Equipment Properties |
Material consistency |
Fraction or Percentage |
Fraction |
Consistency of the outlet pulp stream. |
| Displacement Ratio |
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The fraction of Or replaced with shower water estimated |
| Dilution factor |
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Dilution factor is the liquor in the shower minus that in the discharge. |
| E – norden number |
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A second predictive equation for the displacement ratio. |
| a0, a1, b0, b1 |
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User defined coefficients for the predictive equations. |
The method considers the outlet pulp consistency and according to this it calculates
either the shower stream that goes to pulp outlet, or the pulp in streams solution that goes to the liquor outlet.
Option 1 - DR
Displacement ratio is estimated with the first equation. If the user
does not set the coefficients, these are by default set to 1. The displaced Or is sent to liquor outlet flow.
Option 2 - E
Displacement ratio is estimated with the second equation. If the user
does not set the coefficients, these are by default set to 1. The displaced Or is sent to liquor outlet flow.
Missing Stream(s)!
Solution: check if all streams are connected to the equipment.
Mat consistency is set too low!
Solution: Set a greater shower flow, or set a higher material consistency.
Shower flow zero!
Solution: Set nonzero shower flow.
Vat flow zero!
Solution: Set nonzero pulp in flow.
Warnings 
Errors