Processes 2021 , 9 , 1117
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are shown in Figure 6, and the model structure and model parameter results are shown in Table 3. The Gaussian model has the best simulation effect and the R 2 value is 0.986. Therefore, the Gaussian model is used to estimate the subsequent evaporation heat. u = 1.19 · exp − N + 15 32.2 2 (13)
To atmosphere
To atmosphere
Steam for air heating
Steam for air heating
Condensate
Condensate
Supply air
Supply air
+5
$+
+5
$+
Supply air
Supply air
Exhaust air
Exhaust air
Wet paper
Dry paper
Steam for cylinders
Pre-dryer section
Flash steam for condenser
Condensate
Leakage air
Figure5. Schematic diagram of paper drying process.
Figure6. Measurement and analysis of drying curve in industrial production.
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