When very fine, the fuel burns as efficiently and as quickly as a gas. But, like with coal, to get the best results in the power station’s huge boilers, the material needs to be turned into a very fine powder in pulverising mills. The wood pellets used at Drax are compressed and dried wood that is formed into small capsules the size of a child’s crayon. Before the wood pellets can be converted into fuel, they need to be crushed: this is where the balls come into play.
The pellets pass through a system of conveyor belts until they arrive at one of four massive conical storage domes, located on site in Yorkshire. Hundreds of thousands of wood pellets are delivered to Drax every day, arriving on custom-built trains travelling from the Ports of Tyne, Hull, Immingham and Liverpool. To generate enough power to supply 8% of the UK’s demand – as Drax does – a lot of fuel is needed. Progress has already been made – three of the station’s six units already run on compressed wood pellets, Drax’s biomass fuel, generating around 20% of the UK’s renewable electricity. Drax started its life as a coal power station, but today it is in the process of upgrading to run on biomass. The answer lies in the way fuels like coal and compressed wood pellets are used to power boilers and generate electricity. How do giant balls help to generate power? And of all of the activity going on behind the scenes, it’s even more unlikely you think about a 1.2-tonne steel ball.īut without a number of 1.2-tonne balls and the electricity they help generate, your kettle would be nothing more than a fancy jug. When making a cup of tea, it’s unlikely you consider the industrial equipment kicked into action the moment you switch on your kettle.
Bioenergy carbon capture usage and storage (CCUS / BECCS).Taskforce on Climate Related Financial Disclosures.Independent Advisory Board on Sustainable Biomass.Visit Cruachan – The Hollow Mountain (Ext).What is bioenergy with carbon capture and storage (BECCS)?.
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