Reasons for drying fuel

Woodchip XIV Performance Rates
Product Starting MC	Wood chip Output (10% MCWB)		Operating Energy Requirment		Annual ElectricalConsumption
Product Starting MC	Tonnes/yr	Tons/yr	GJ/yr	Million Btu/yr	kWh/yr
60%	168,000	185,000	756,000	717,000	2,400,000
55%	210,000	231,000	756,000	717,000	2,400,000
50%	263,000	289,000	756,000	717,000	2,400,000
45%	333,000	364,000	756,000	717,000	2,400,000
40%	420,000	463,000	756,000	717,000	2,400,000

Performance Rates of Woodchip XIV at Different Starting Moisture Content Levels

Reasons 1

The usable calorific value of woodchips depends much more on the woodchip’s moisture content than on the species of wood. Fresh wood chips with a water content of 55% provide roughly 2000 kWh in energy per ton.

Reasons 2

By drying woodchips to 20% moisture content, the calorific value is doubled to around 4000 kWh per ton. In a burning process of 1 ton of dried woodchips, approximately 400 L of heating oil can be substituted.

Reasons 3

For woodchip boilers, dry woodchips equate to higher efficiency, clean and more consistent combustion that in turn ensures simple operation and an extended lifetime of the heating system.

Reasons 4

In addition, only woodchips below 30% moisture content are suitable for storage. Woodchips above the 30% threshold are liable to microbial decomposition.

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Fuel Dryer

Reasons for drying fuel

Reasons 1

Reasons 2

Reasons 3

Reasons 4