Posts Tagged ‘Wood Pellets’

Retail Firewood Pellets, And Prices And Supply

September 23rd, 2009

The summer is ending as well as wintry weather is on its way yet again, for many citizens this is the point in time to start to look into securing their supply of wood pellets set for coldness. When buying wood pellets there are evident things that must be considered and prearranged before placing an order. The first matter to resolve is where are the pellets going to be stored. Pellets currently are commonly sold in 20lb bags, and delivered on a pallet. The pallet will usually hold over half a tonne of pellets. The bags even though made from plastic, cannot be stored outside. The bags must be stored in doors in a little humidity atmosphere. The motive for this is the bags really have small holes in them to let wetness escape, so the pellets do not sweat. The average home will use approximately 3 tonnes of pellets over a heating period. Therefore the equivalent is storage space of 6 pallets of pellets. Bagged pellets, despite the fact that currently the market trend, has many disadvantages. Many people today do not like having to move the bags into the storage area, and then when required move the pellets to the stove or boiler. This is particularly not suitable for elderly people, or people with disabilities or in weak health. Also a different disadvantage with pellet bags is the supplementary cost added on the order to parcel the pellets into bags. Finally, there is the matter of pellet bag disposal and recycling. There is a lot of employment essential in the deposal and recycling or pellet bags, not to cite the fuel inputs required to do so. The wood pellet industry is slowly moving onto additional bulk delivery systems, with users installing pellet silos. Pellet Silo?s are essentially large tanks, similar to oil tanks at this time used in home heating systems, or a large coal bunker. The pellets can either be delivered by tanker and blown into the silo, or the pellets can be delivered loose in large bags and then placed in the silo.

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The types of wood pellet silo available range quite a lot, from basic simple manually operated units, to more superior automated units. The straightforward basic silos possibly will be a raised bag or solid silo, with a gate valve at the bottom. The user can then by hand work the gate valve to release the necessary volume of pellets into a container for example. However there are more complicated, but more expensive units for people who want a wholly automated unit. Some wood pellet silos have a rigid or flexible auger feed system, which automatically fills the small hopper on the stove or boiler. The top of the line silos in Europe even send a txt message to the pellet suppler when the silo is getting low, to order some more pellets.

Producing Power And Heat From Renewable Energy And Biomass

September 22nd, 2009

These days the need to replace current fuel sources such as oil and gas is larger than ever before. The existing economic circumstances is seeing growth decrease month on month, with an accompanying climb in unemployment. Put simply the economic and the public are struggling to afford gas, oil and electric bills.

Due to the negative effects of oil and gas on climate change, our energy sources must also change, and it will result in higher taxes on oil and gas. This will further escalate the issue of using oil and gas and being able to pay for them. Therefore now is the time, more than ever to make a practical move away from oil and gas on more sustainable and green energy alternatives.

There are a number of types of ?green? energy that most people are customary with, and these include wind and solar. Both of these technologies will play an important role in producing the energy we need; however these technologies do have their limitations. Wind and solar are intermittent forms of power, basically they cannot produce power on demand.

Therefore we need forms of power than can energy when requested and desired, and biomass can supply part of the answer to this issue. Biomass takes it shape in wood, straws and grasses, it is fundamentally and living or recently dead organic matter which can be used as an power source. The reason biomass is a green energy source is it is part of the current carbon cycle, so any combustion of biomass does not place additional carbon into the atmosphere; it purely recycles the quantity of carbon available as new biomass absorbs the carbon also.

Biomass is a form of on demand power, as the energy can be stored and then used when necessary. However biomass is its raw unrefined form is a very hard material to deal with. And so biomass conversion technologies are needed, such as pellet manufacture.

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One of the most popular and suitable biomass conversion technologies is to improve biomass into pellets. A pellet is simply a condensed form of the original raw material, in this case biomass. To make pellets the biomass has to be free from contaminates such as stones or metal, as this can cause grave damage to the apparatus.

The biomass must first be reduced to a small uniform size for the pellet mill; this is usually achieved through processing through a hammer mill. The biomass is then metered into the pellet mill at a controlled rate, and through a series of rollers is squashed through a die into pellets. A choice of different diameters of pellets can be shaped for various different sizes of combustion equipment.

Make Heating Fuel With Power In The Neighborhood

September 21st, 2009

Today the prices of home heating energy and electricity are serious issues. Also we are at this time in a global depression, where cash is even more precious as joblessness continues to rise.
And finally there is the subject of global warming; our combustion of fossil fuels has no played its part in changing the climate of our planet. There is a resolution, which can help to resolve each of these issues in tern, and it is through the use of biomass. Biomass is any natural matter, which can be combusted and used as a fuel to produce electricity.

This includes wood waste, purpose grown wood fuel crops, other fuel crops and waste agricultural residues. To support local energy loops, the biomass used should focus around now local industry or potential future industry.

So for example if timber processing is already recognized then the use of waste sawdust is suitable. There maybe farming food production, resulting in waste wheat or barley straw, or possibly waste corn stalks or cobs. If there is no present food production on available land, then planting of fuel crops could take place, these comprise miscanthus or short rotation coppice willow. Also hemp is a exceptional biomass resource, it has several uses, and produces an brilliant fuel source producing very little ash.

Once a suitable biomass feed stock has been conventional, the biomass can then close by be upgraded into pellets. Pellets are a condensed form of the biomass supply stock. This makes the biomass fuel easier to store and use, and also enables much more proficient combustion. So in the first stage jobs have been created in the cultivation and processing of biomass feed stocks into pellets. It has also generated second profits for farmers from food crops, which in term will cut the price of food.

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More jobs will be produced in the distributions of pellets within the locally area to homes and businesses. Homes can use the pellets as a heating fuel, and so can close by business. Pellets can be used efficiently and automatically in pellet stoves and boilers. Due to the properties of pellets, pellet stoves and boilers can feed themselves automatically. Some pellet stoves and boilers are so computerized they even carry out the whole cleaning process also.

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Turning locally created biomass pellets into power is also possible through gasification. Gasification is where the biomass is broken down into its basic elements. This gas can then be fed into internal combustion engines. These engines can then power generators producing power. Through this whole procedure a large amount of local jobs have been produced, which are stable jobs, which also enable cheaper local foodstuff and energy prices.

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Manufacture Wood Pellets, The Rate And Recent Shortages

September 21st, 2009

Wood pellet manufactures today mainly concentrate and emphasise on the wood pellet fuels marketplace, and particularly the premium wood pellet fuel market. Wood pellets can be used for many different purposes and uses, fuels pellets are one instance, however firewood pellets can also be used as animal bedding and even BBQ pellets. Wood pellets are perfect for animal bedding due to their little dust content.

Customary animal bedding supplies such as straw or wood shavings have elevated dust content, and the powder can cause inhalation complication with the animals. Due to the high density of the wood pellets and the fact they are screened previous to sale, means they create very little powder and are highly permeable. Straw and further biomass raw supplies can also be used for animal bedding. BBQ wood pellets are a developing market, as wood pellet BBQ?s offer a better taste to any other BBQ?s. The reasons for this are the flavours of the wood are infused into the food, giving brilliant flavours.

Also a large selection of woof BBQ pellets are obtainable to tailor the flavour to the type of food being prepared. Flavours include oak, apple and maple to name but a only some. Ask any BBQ authority and they will inform you the best BBQ?s are wood pellet BBQ?s. With wood pellet BBQ?s you can also accurately control the temperature via a thermostat, and use the BBQ to also smoke or as an oven.

The largest marketplace for wood pellets currently is premium wood pellet fuel, premium wood pellets are the maximum grade of wood pellet fuel made from preferred pine, spruce and oak residues. To produce a premium pellet manufactures must meet certain principles. The pellets have to have ash content below 1%, and the moisture must be below 10%. The pellets must also encompass a high mechanical durability to maintain their structure during incineration to achieve efficient burning with a high heat value and a smaller amount ash.

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Wood pellet prices are dictated by the exploit of the pellets, and the quality and grade of the pellet and the raw matter. Premium pellets command the highest prices, however additional grades of wood pellets are obtainable and demand a inferior price point. Lesser grade wood pellets are fashioned from a species of wood, which would produce higher ash content. Also wood pellets containing bark will also produce a higher ash content reducing the value and worth of the pellets.

Pellets And Future Energy Demands

September 20th, 2009

Our planets climate is changing, in no small part to our heavy use of fossil fuels. This negative effect comes from the fact we are altering the climate of our planet through releasing additional carbon dioxide into the atmosphere. The green house effect is increased through rising levels of CO2. What this means is the carbon reflects the suns energy back to the earth instead of it escaping through the atmosphere, hence a rise in temperatures. Therefore our source of energy has to change from oil and gas to other alternatives, which do not place additional carbon dioxide into the atmosphere. Some renewable energy do not affect the carbon cycle in anyway, these are wind, solar and wave. Biomass, which is any form or organic material, which can be used as a fuel, is carbon neutral, however it does involve burning the biomass to release its energy. So how can this be carbon neutral I hear you ask? Well put simply, the carbon released through biomass combustion was absorbed from previous biomass, and as long as more biomass resources are grown to replace the used biomass, no additional carbon dioxide is placed into the atmosphere.

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So how can we use biomass? Processing biomass into pellets is a low energy input process which produces a high value fuel. You may already be aware of wood pellets and pellet stoves, however wood pellets are just the start. There are many other biomass resources, which can be turned into pellets to be used in stoves and boilers. Through using a pellet mill or pellet press the biomass is compressed into a uniform pellet of a set diameter and length. Therefore pellets are a standardized fuel, for which efficient and economical systems can be designed for pellets. Combustion efficiency of wood pellets is far higher than logs or wood chips.

Creating Energy From Renewable Forms And Using It Resourcefully

September 20th, 2009

There are various forms of renewable energy. The most widespread and well-known forms of alternative energy are wind and solar. However biomass needs to take part in a more major role as a common energy resource. Biomass is a generalisation of many diverse sources of fuel. All biomass energy is grown energy, this includes all plant mater and processed organic mater, which can be used as a fuel source. This can therefore include several sources of purpose grown fuel, and also a lot of waste. For example from the wood business a lot of sawdust is produced, this sawdust can be processed into wood pellets to be used as a low cost, low maintenance home heating fuel. Other wood species, which grow at an accelerated rate, can also be used for fuel pellets and other fuel conversion technologies. Willow or short rotation coppices are forms of fast growing woody biomass, which is perfect for this purpose. Hemp is another biomass energy source, which grows at an accelerated rate; it can be used for quite a few different purpose including bio-diesel, textiles, paper, food and plastics. After hemp processing there is also waste dust and fibres, this waste can then be utilized for pellet fuel manufacture. Most of waste today still goes into landfill, and a good deal of this could used to produce new products and energy. Our ideas of what is and isn?t waste need to change as resources become more expensive. To extract energy from biomass, usually means combustion, and many people still believe that is just as bad as burning fossil fuels. The key difference during biomass incineration the carbon released was from the environment and fossil fuel combustion the carbon was from deep underground. Therefore biomass burning does not raise the levels of carbon within the atmosphere.

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Wood pellets as mentioned above are one form of biomass fuel. All types of wood can be processed into energy pellets, however the quality of the wood and its bark content will affect its fuel rating. For example wood with bark and some wood species in general make more ash, and for that reason has a lower value as a fuel pellet.

Energy Pellets And Power Generation

September 19th, 2009

Most of our current energy and electrical production either comes from coal, oil or nuclear power plants. While coal and oil power plants are prime culprits for high CO2 outputs linked to global warming, nuclear power plants are hardly the safe or cheap option. So what other energy options to produce electricity are available to us, and should we follow the same network set-up of a few large-scale electrical production facilities. Wind and solar power gain most of the headlines in the papers on how to generate green electricity. There are also solar thermal power stations where the suns energy is directed by a series of large mirrors to a tower with a boiler at the top. The heat from the sun is directed onto the boiler. The boiler then produces steam, which powers a turbine to produce electricity, which is sent back to the grid. Is it also possible to produce electricity from wood and other biomass resources, even on a small scale. Biomass which includes wood does not place additional carbon into the atmosphere during combustion.

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A process called gasification can turn material such as wood, straw, grasses and any other form of biomass and waste into a collection of gases. These gases include methane, carbon monoxide and hydrogen; with a 1:1 air ratio in a combustion engine the gases can run any internal combustion engine. So even a small setup could be used to run a gasifier on wood or any other biomass and then put the electricity into your home or send it into the grid in return for revenue.. There are several advantages from completing this process on a small scale which include control of your energy cost and supply and additional revenue from selling energy back to the grid. Energy will only become more expensive in the future, generating electricity on a small scale can produce cheaper energy and at the same time generate long term jobs.

Biomass Pellet Mill, Particulars And Particulars On How They Work

September 19th, 2009

Pellets are a condensed for of an initial raw material. The raw substance in question maybe a potential resource used for energy, animal feed or possibly some other use. Whatever the end use of the pellets created, the end consequence has similar characteristics. Under concentrated heat and pressure the raw matter is formed into the pellet shape. In a pellet mill a set of rollers condense the raw material through the holes in a die. As this takes place, and temperatures intensify which fundamentally melts the raw matter, and this is what enables it to acquire the pellet shape. Once the pellet exits the pellet mill is should have a flat surface shine. Once the pellets cool, they should also have a superior density and hold their shape. When the pellets do break, if they are of ample quality they should break cleanly, producing very little fines and dust. Good pellet density is vital for transport, and especially for energy pellets their end use. Poor quality pellets during incineration will break apart. This will have a negative effect on ignition efficiency, which will make unwarranted smoke, reduce temperature generated and create more ash. To produce quality pellets several factors have to be controlled. One of the key factors is raw matter moisture content. Some humidity is required for the pellet mill to soften the raw matter and to lubricate the practice. However too much humidity and pellet compression is not possible. Keeping the percentage of moisture to an absolute minimum is also essentially for combustion efficiency. For a fuel to burn efficiently, low levels of moisture are required, as high levels of moisture stop the fire reaching high ignition temperatures. This is why pellet stoves are so a great deal more efficient than log stoves. Typically seasoned logs are around 30%, where pellets are below 10% moisture. Pellets also have a much superior density than logs. These two factors are crucial to the increased combustion efficiency of pellets.

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A variety of raw supplies can be squashed into pellets in the pellet mill. One of the most common materials for fuel pellet manufacture is obviously wood. Depending on the grade of pellet fuel, the chosen type of wood raw matter changes. For case in point the premium wood pellet fuel market make pellets with an ash content below 1%. This is only possible through highly choosy wood resources, which contain no bark. However though this is obviously only a small selection of available resources.

Burning Pellets And Pellet Stoves

September 17th, 2009

Burning wood pellets and other biomass fuel pellets efficiently depends on several factors including volume; speed and temperature of combustion air and burn pot designs. Pellet stoves and boilers come in all different sizes and heat outputs, ranging from the simple designs to cope with premium wood pellets, to more sophisticated designs, which can cope with high ash content pellets, clinker and slag formations and corrosion issues. Burning pellets is far more efficient than burning other solid fuels including logs and coal. Due to this pellet combustion produces much less ash and therefore much less maintenance than burning other fuels. There are other areas of pellet combustion that are attracting interest in both the developed and developing world. In the developed world, pellet BBQ’s are growing in popularity. Both softwoods and hardwoods are being produced from varieties such as apple and cherry wood and the flavours transfer very nicely into the food. Using pellets of these wood varieties also means pellet BBQ’s are also ideal to smoke food. For countries such as Africa and India, using pellets for cooking fuel is getting a lot of interest.

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Basic stove designs using solid combustion technology are being designed so people can use a wide variety of local biomass resources to produce fuel for cooking purposes. Deforestation is becoming an even more serious issue; due to western activities of removing forests there is less wood resources for local people to use in a sustainable way. With open fires most of the energy is lost and combustion efficiency is very poor. So to reduce the deforestation, more resources must be made available in a useable form and combustion efficiency must also be dramatically increased. Basic stove designs such as the rocket stove work on the principles of gasification and complete combustion. This means the stove is far more efficient than an open fire, cooks the food far more quickly and also more importantly uses far less fuel. These stoves require no power supply to operate and also very reliable, which is important to try and speed up improved combustion technology adoption.

Renewable Fuel And Biomass Pellets To Confront Global Warming

September 7th, 2009

Global warming and climate change are issues which have an effect on us every one of, and which we are contributors and also activists. Climate change is mainly a man made consequence through our extreme and increasing use of fossil fuel fuel.

Fossil fuels in the form of gas, oil and coal are trapped forms of carbon power, stored deep beneath the earth?s surface. They are formed from biological matter, and through thousands and millions of years of heat and force create fossil fuels. When we extract fossil fuels and burn them, we are reintroducing this trapped carbon into the environment.

This added carbon dioxide then acts like a giant blanket in the environment. As the suns power enters the environment to heat the earth, the carbon then reflects this energy reverse at the earth, increasing temperatures. As we persist to use fossil fuels, this result will continue to increase. However we have an additional issue on the horizon in the conditions of food shortages, and mounting global population. Currently the answer to the global food issue is to boost large-scale farming. However large-scale farming relies of large quantities of oil to make the fuel for tractors etc, and also all fertilizers. As a result there is a catch 22 situation in terms of energy and food production. The counter to both issues is one and the same, small scale and local energy and food production where feasible.

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Local biomass raw resources such as wood, straws and grasses from crop growing can be processed into energy by upgrading the materials locally into pellets. These pellets can then be used in pellet stove and boilers to provide heat, and also used in gasification system to create electricity.

Not only will this address part of the local energy construction process in terms of heat and electricity, it can also address transport fuels. Owing to pellet gasification, it is achievable to feed this gas to bacteria and algae to manufacture liquid fuels such as ethanol. So on a local scale it is potential to produce heat, electricity and transportation fuels. Costs to the consumer can be kept low as transport of energy is kept to an absolute minimum. Also through this sector a large number of permanent jobs would be created.