Wood pellet biomass boilers are an environmentally friendly, safe and convenient way of heating the home or work place, using wood pellets as fuel and installations are now proving to be popular here in the UK.
However, they differ from traditional solid fuel boilers. Apart from the green aspect, the units are fully automatic and behave more like an oil or gas boiler. They utilise advanced controls which cleverly regulate the amount of fuel being delivered to the burner to match the heat demand on the boiler.
How a biomass boiler works
The fuel is fed to the burner via an auger connected to the adjacent pellet store or hopper. This can, in turn, be automatically supplied from a bulk pellet store which usually vary in size and volume.
You could also install a room-based biomass boiler if you don’t have the space for a pellet store or hopper. These boilers work in a similar way to the old-fashioned back boilers and provide heat and/or hot water for your property.
The process of burning wood produces ash, so wood pellet biomass boilers normally require a certain amount of regular cleaning and maintenance, which can be tedious. However, GES Mechanical can provide self-cleaning boilers that reduces the need for cleaning to just once a year under normal running conditions.
The boilers use wood pellets as fuel, which are cylindrical in shape and made from compressed sawdust, and are often the waste product from the timber industry (e.g. sawmills). They are fused by the natural lignin present in dry wood. This strengthens the wood as well as having water proofing properties.
Pellets have a very low moisture content, which helps consistent combustion efficiency. During the burning of fuel, any water content must be evaporated before combustion can occur. This process requires energy, and therefore reduces the overall efficiency of the system. Pellets are additionally very dense and both of these qualities make them an excellent source of energy.
As the sawdust is a waste product e.g. from sawmill industries, or has been sourced from a managed forest (i.e. where trees are planted to replace the ones cut down), wood pellets are classed as a renewable carbon neutral source of fuel.
Wood pellets can be bought in bags (various sizes but typically around 10kg), or alternatively they are delivered in bulk load (typically one to five tonnes at a time) by tanker and blown into the hopper through a hose. Buying pellets in bulk quantities works out far less expensive than bags.
GES Mechanical can supply and install a wide range of biomass boilers throughout the UK. Just give us a call on 01302 876194 or phone 07930 337484 to arrange a free site survey and no obligation competitive quote.
Click here for more details of biomass via the Renewable Energy Association (REA) website.