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Wood Gasification Boilers

Though perhaps considered an old heating method, with modern advancements in technologies Wood Burning Boilers are now a realistic alternative to modern condensing boilers and other heating methods. Our wood gasifying boilers can be considered eco-friendly due the maximum efficiency of burning wood, producing typically 90% less CO2 during the burning process than fossil fuels, and it grows all around us. All trees absorb Carbon from the Air, when timber is burned this carbon is release back into the air which in turn is absorbed by trees, therefore the process goes full circle and can be considered Carbon Neutral. Wood is a renewable resource offering a sustainable and dependable supply. One of the key advantages is, if you can source free wood, then your fuel cost is effectively FREE! Even when purchased, wood is a significantly cheaper alternative fuel when compared to volatile prices of fossil fuels (i.e. gas and oil).

Thermal Earth’s Wood Burning boilers are compatible with most people's homes. We recommend that you contact us for advice before purchasing, or to arrange for a visit to our premises, where we can advise you on a system to suit your exact needs.

About our Solution

Thermal Earth offer a variety of Wood Burning Boilers from automatic pellet fed boilers to hard wood burning boilers. Our boilers have a modern unobtrusive design which can easily be located in a plant room, garage or outhouse. The intelligent integrated controllers in our boilers mean that they can control the level of heat being produced, can automatically switch off when desired heating level is met, can give a warning for low fuel level, or control fuel input (dependant on model).

We can recommend which boiler is right for you based, on your location and building. Rural areas are typically more suited to Wood Heating System whereas built up areas, where timber is not so accessible, Pellet Heating System may be preferred.

To gain the most out of our Wood Burning Boilers we recommend the installation of an outhouse or shed, whereby you can store wood/pellets. Thermal Earth can provide a silo specifically designed for pellet storage. Having a large silo of pellets will give you piece of mind that you have enough pellets to provide heating for a prolonged period. Having such a silo will mean that you will never have to man-handle the pellets. Pellets will be inserted directly into the silo, then automatically fed into the Pellet Gasifying Boiler. Having a silo for storage of pellets, deliveries of pellets can be made cheaper due to ordering in bulk.

About Wood Gasification

To gain the most out of our Wood Burning Boilers we recommend the installation of an accumulation tank to store the hot water created. With the installation of a highly insulated accumulation tank the boiler needn’t start up and shut down repeatedly, as hot water is already stored.

Thermal Earth’s Wood/Pellet burning Boilers don’t work simply by burning wood. A process called gasification takes place. This works by extracting carbon monoxide and hydrogen from the raw material (wood/pellets) with a controlled amount of oxygen input from the air. The combined mixture is known as Syngas, this in itself is a fuel. The operation which takes place inside our boilers is a two part process; firstly the Syngas is burned to heat water (typically in a downward force towards the base of the boiler in the lower chamber), after the Syngas is exhausted from the raw materials the boiler then enters its second phase when it will start burning the raw materials from the upper chamber. All the heated water is transferred to a highly insulated accumulation tank. The frequency of requirement of heating the accumulation tank depends on the time of year i.e. whether your primary heating is active, if so then you may be required to fill up the boiler in the morning and the evening. However if for example you have a solar system fitted then you may only need ignite your boiler once every 3-4 days.

This process means that you get the most out of the fuel used, and as a result there is minimal waste. The ash left over from the process can easily be gathered and discarded.

Wood Pellet Boilers

Like any traditional boiler, wood pellet boilers are used to provide heat and hot water to a domestic or commercial environment. However unlike traditional boilers which typically run on expensive and fossil fuels (at a great cost yo you and the environment), wood pellet boilers use specially-produced wood pellets as their sole fuel, making them cheaper to run and much more environmentally friendly.

Wood pellet boilers are typically used by households and organisations looking to save money on their heating costs, those looking for environmentally friendly solutions and those who are in an area where traditional boiler fuels are hard to access (such as those without access to natural gas, or those with delivery restrictions for coal, oil or gas bottles.

Thermal Earth offer a variety of Wood Pellet Boilers and all of them have a modern unobtrusive design which can easily be located in a plant room, garage or outhouse. We can recommend which boiler is right for you based, on your location and building. The intelligent integrated controllers in our boilers mean that they can control the level of heat being produced, can automatically switch off when desired heating level is met, can give a warning for low fuel level, or control fuel input (dependant on model).

WHAT ARE THE BENEFITS?

There are many ways in which a wood pellet boiler can benefit your business or home, and the reasons for their use can vary from application to application. Two main constants however are their eco friendly nature, and their cost efficiency. In regards to their eco-friendliness, wood pellet boilers producing typically 90% less CO2 during the burning process than fossil fuels. All trees absorb Carbon from the Air, when timber is burned this carbon is release back into the air which in turn is absorbed by trees, therefore the process goes full circle and can be considered Carbon Neutral.

  • Easy installation suitable for most applications
  • Helps reduce your Carbon Foot-Print
  • Simple integration with Solar Hot Water Systems
  • UK sourced biomass can offer local business opportunities and support the rural economy.
  • Ash produced is a free and organic fertiliser
  • Particularly suitable for off mains gas areas

ABOUT WOOD PELLETS

Pellets are made from 100% natural wood, typically discarded material from the wood processing industry in the form of sawdust and wood-shavings. The shavings and sawdust are compressed under high pressure to form the cylindrical pellets. The pellets are a convenient fuel as they can be automatically fed into the boiler offering high efficiency levels and a low ash content waste which is both manageable and easily disposed. Storage of pellets may also be easier than logs.

Thermal Earth can provide a silo specifically designed for pellet storage. Having a large silo of pellets will give you piece of mind that you have enough pellets to provide heating for a prolonged period. Having such a silo will mean that you will never have to man-handle the pellets. Pellets will be inserted directly into the silo, then automatically fed into the Pellet Gasifying Boiler. Having a silo for storage of pellets, deliveries of pellets can be made cheaper due to ordering in bulk.

Interesting facts of Wood Pellets:
  • 2kg of pellets is approximately equal to 1l of fuel oil
  • 650kg of pellets = 1m3
  • 1kg of pellets = 4.9kWh

 

We have a series of FAQ's for Biomass Boilers. Please click Here