Size your hot air generator
From air flow or the moisture you need to remove, find the heat load and the Technodry Block model, oil/gas or solid fuel fired.
How this is worked out
From air flow: kcal/hr = m³/hr × 1.2 kg/m³ × 0.24 kcal/kg·°C × (T2 − T1).
From moisture: water evaporated = feed × (Mi − Mf) ÷ (100 − Mf) kg/hr, on a wet basis. Heat = water × 650 kcal/kg ÷ dryer efficiency. 650 kcal/kg covers latent heat plus warming the water.
Selection: oil / gas → Technodry Block TDB I / TDB G (150 °C standard, up to 400 °C on request, direct-fired to 800 °C); solid fuel → Technodry Block SF (200 °C). Smallest model at or above load × (1 + losses) × (1 + margin).
Fuel cost at 88 % efficiency for oil / gas and 70 % for solid fuel.
Want this sizing checked by an engineer?
Your inputs and the recommended model are attached automatically. We will confirm the selection, the accessories and the price.
Where should we send updates on this sizing?
Enter your details to download the PDF. A Neotech engineer can then follow up on your selection.