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One of the most common forms of wood heating used in many homes is the open fire place where they use logs to heat their living room. Some may even have a basic stove in their living room using logs. Though these biomass heating solutions only provide ample heat for one room, are not very energy efficient along with require quite a few maintenance to keep feeding the fire by logs and also clean the fire place of ash. Therefore the main source of heat usually comes from a gas or oil boiler. On the other hand by way of gas as well as oil prices continuing to rise, alternatives for these heating solutions are most sort after. There are wood heating solutions such as log or even grass bail burners for large properties. Yet these solutions are very large and expensive, plus cannot be used for individual small properties. Over recent years there has been a growth of wood chips boilers, they are still quite large but can be smaller than log along with grass bail burners to generate the same value of temperature. It may also be clear that the fuel can be sourced locally, however this often is not the instance.
The main problem by means of log and wood chip wood heating solutions is moisture in the energy. Even seasoned wood logs in addition to chips still contain around 30% moisture. This moisture lowers incineration efficiency, generates less temperature, more ash as well as creosote in the vent. One more key point is you are paying energy money for water. Importantly also there is a risk that the biomass hasn’t been properly seasoned down to the 30%. By means of pellets however, you can be sure that the pellet is maximum 15% moisture, as it is not potential for a pellet for form properly by way of more moisture.

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Pellets also have other payback that produce them ideal for wood heating. Their uniform shape as well as size technique that can work well by way of hoppers. Biomass chips though require some form of agitation to fall due to a hopper to the fire feed system. As pellets are a much higher density their incineration efficiency is much greater along with also generate less ash to clean.

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Biomass pellet construction has several steps as well as processes depending on your chosen wood matter. For case in point the two key steps before the matter can enter a pellet appliance are size reduction plus drying. The wood must be reduced in size before the material can be compressed into the pellets. Once reduced it must be dried to on average 15% moisture. At this level of moisture the correct balance between lignin melting in addition to compression can take place. Too much moisture and the pellet mill cannot reach operating temperature plus you cannot compress a matter by means of a high level of moisture. Dryer is a very expensive in addition to energy intensive process. Therefore it can be very beneficial to acquire a raw material which is already at the correct moisture percentage. When the material enters the pellet mill it is compressed between the die in addition to rollers. Under compression temperature is generated which melts the unrefined lignin and forms the matter in to a pellet.

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