Biomass is a collective reference to any organic matter which can potentially be used as a energy source. This covers a very wide range of materials. The main examples of biomass that many people refer to are woody biomass. Woody biomass has been used traditional for thousands of years by way of logs on open fires. Though, this form of biomass combustion is not very proficient, as very little of the energy generated from combustion is actually captured for the core use. The modern form of wood incineration focuses on two main key principles. Firstly to reduce the amount of wood required for fuel manufacture. This is achieve by way of rising combustion efficiency of the biomass used. This refers to upgrading the biomass, this can be processing the biomass into a liquid or gas, or in the form of highly compressed fuel pellets.
Learn more about Wood Pellets
Biomass fuel pellets are essentially the same raw material in a compressed form, with a much lower moisture content. Moisture is a key obstacle to efficient incineration. To get more of a complete burn where the carbon is used efficiently generating less smoke plus particulates, high combustion temperatures have to be achieved. Moisture in the fuel stops the incineration zone reaching these high temperatures. Pellet fuel for example has a moisture content below 10%, along with in some cases this is closer to 5%. If you compare these figures to the 50% of virgin biomass timber, it is clear to see why biomass incineration of energy pellets is much more efficient than simply combustion logs. The other important factor is energy density. The compression of a energy pellet is more than a few times that of the raw material. This means again a much more complete burn can be achieved by way of higher burning temperatures. Energy pellets are a fairly straightforward means to upgrade biomass into a modern energy.
Read more about Biomass Burning
Woody biomass has always been the focus of biomass burning, though to purely focus on woody biomass would neglect a huge volume of wood that has to be dealt by means of. A key case in point of this is agricultural wastes, such as straws plus grasses left over from food production. These resources have traditionally been burnt in the field, producing large volumes of smoke in addition to generating no benefits at all. These resources can be collected plus also processed into fuel pellets. This would help address a different key issue of the 21st century in the charge of food. Upgrading the straw into energy pellets would generate a secondary revenue for the crop, along with dropping the cost of food. Upgrading biomass into a more efficient form of solid energy is only one component of the solution. Developing more efficient ways to burn the fuel pellets is also crucial. Modern pellet stoves as well as boilers are now established as modern heating appliances. By means of direct air injection to the fire at a restricted rate, higher combustion temperatures can be achieved while reducing energy consumption. These biomass burning solutions can also feed the combustion zone by means of pellets at a controlled rate to maintain the most wanted temperature. Supplementary features included automatic ash cleaning.
More information on Wood Pellet Manufacturing