How do biomass boilers work? Typical Biomass installation illustration. Related Content. This is the last page of questions. If you are considering a change to renewable heating, then a biomass boiler is a good way to go. If you require further information then our specialists can provide free on-site surveys to evaluate what would work best for you.
If you have any questions about biomass boilers or if you would like to enquire about getting a biomass boiler installed in your home, then please contact us here at A Greener Alternative today. We can answer any questions you may have as well as help you to decide on what the best renewable heating system will be for your requirements.
We offer free onsite surveys and can provide our expertise on renewable heating all across the South East of England. You can get in touch with A Greener Alternative by using our Contact Form , by emailing us at: info agreeneralternative. What Is a Biomass Boiler? A Guide to Biomass Boilers. Posted on February 14, A Greener Alternative.
Recommended Posts. What Is Renewable Heating? What is the Renewable Heat Incentive? National Trust Site West Sussex. Klover Smart Interested In Our Services? Get A Quote. Wood pellet and chip systems are automatically fed. This means that as long as you ensure the fuel store has fuel as you would if you had an oil or LPG tank , then the boiler takes care of the rest where it automatically takes wood from the store to the burn chamber.
With small domestic systems wood pellets are purchased in bags that the owner then pours into a small fuel store adjacent to the boiler. On larger domestic and commercial systems, wood pellets are delivered in bulk by a tanker that blow pellets into a large fuel store. Pellets are transferred from the store to the boiler either via an auger or a suction system.
More information on wood pellet boilers and the range we offer can be found here. Chip can also be delivered in a few ways. The most common method is that it is dropped off on site in bulk, then there is onsite plant that moves the chip into the fuel store via an access hatch. If there is a supply of wood on site then it can also be chipped directly into the fuel store. For people without woodland to self supply or machinery on site then you can have blown deliveries in a similar way to pellets, though this is typically more expensive.
Chip is transferred from the store to the boiler using an agitator and auger. Here the agitator drags the chip into the auger, this then turns and takes fuel to the boiler. More information on wood chip boilers and the range we offer can be found here. Biomass boilers use a process called gasification to produce heat. The hot gases pass through a metal heat exchanger, which then heats the water on the other side. On the vast majority of projects thermal stores are used. These are large tanks of water upwards of 30 litres per kW of boiler output that act as a heat battery by storing the hot water from the boiler which is then circulated to the central heating system.
The biomass boiler has temperature sensors in the thermal store, so it is responsible for keeping it at predefined temperatures. Here the boiler will automatically switch itself on when the thermal store drops below a certain temperature, then when the thermal store is up to temperature it switches itself off to conserve fuel.
The thermal store has a main system pump after it which circulates the warm water to the building s.
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