Posts tagged "Wood Pellet"

Pellet Robustness Plus Energy Efficiency In Addition To The Greenhouse Consequence

Wood pellets are currently the most common along with well known form of pellets used for energy. Most wood pellets currently accessible on the market are also premium wood pellets. Premium biomass pellets are the higher grade of biomass pellet energy. To produce a premium grade fuel pellet most or all of the bark must be removed from the biomass. Also only certain species of biomass are generally used, these include pine, spruce plus oak. The reasons for this is a premium quality biomass pellet also has to produce a very low ash content, usually below 1%. Premium wood pellets must also have a very low moisture percentage, below 10% on the other hand many manufactures make pellets by way of between 5-8% moisture. A lower moisture content method a far more efficient burn, which produces more heat, less ash along with smoke. For instance wood chip energy contains around 30% moisture, therefore biomass pellet fires produce a far more efficient process. Although presently biomass holds the spotlight as ‘the pellet energy’, many other wood resources can also be processed into energy pellets, see left for examples.

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A pellet mill is the piece of equipment which is used to process biomass plus other biomass resources into pellets. Through a combination of heat and pressure the pellet mill reforms the matter into pellets of a range of unlike diameters. The pellet manufacture process though does rely on the right equipment as well as the right user knowledge. For case in point the raw matter requires certain properties, for case in point moisture percentage to produce the finest quality pellets. Therefore we at PelHeat have developed the Wood Pellet Construction Guide to educate people interested in pellets to the principles of production. The guide is broken up into a step-by-step guide including diagrams to illustrate what does and what doesn’t work to make quality pellets.

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Premium pellets are a high quality grade of fuel pellets. Premium pellets refers to a quality of wood pellet fuel constructed from softwood as well as hardwood residues. For the softwood premium grade energy pellets pine and spruce residues are used, as well as for hardwood premium grade fuel pellets oak residues are used. For the pellets to meet premium grade requirements quite a lot of attributes have to be meet. For the premium pellet standard, the ash content of the pellets must be very low, below 1%. To achieve this the species of wood must make a low ash percentage, but also all, or most of the bark must be removed. To achieve the finest incineration efficiency potential, a low moisture content is required. Premium pellets are therefore required to have a moisture percentage below 10%, though many manufactures make pellets by way of moisture contents between 5-8%. Compare this to seasoned wood logs which have a moisture percentage around 30%, it is clear how biomass pellets achieve much higher combustion temperatures.

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Something Magic In The Fireplace

A lovely insert for my fireplace.
I have never seen more romantic activity then looking at the fire dancing in the wood burning stove. Off course this dancing fire can also be seen in the country when you are on hiking in the evening. But no matter where you are making a fire now. The main thing is that people always consider the fire to be rather a transcendental thing. As for me I also like watching dancing flames. It’s a really excellent medicine for somebody’s irritated nerves. I reckon that there’s something magic in the fire. This substance has been attracting people from very ancient times. To my mind the fire has a powerful hypnotic impact on nearly every person. I’m fond of feeling this hypnotic effect on my nerves. I like dreaming about my future when looking at dancing flames.

This magic effect mentioned above can easily clarify our strong passion to wood burning stoves. I reckon that wood burning stoves give somewhat similar to a feeling that you are entirely secured of winter. But certainly there are other heating devices which can be considered to be very romantic. They are certainly fireplaces. By the way fireplaces are quite spread characters in many movies. I mean those cinema scenes where a comfortable lovely home interior should be clearly seen. As usual film characters are sitting by the fireplace while doing other things such as smoking or drinking.

Though I really like fireplaces at the same time I realize that these charming heating devices will be outclassed by new technologies. So I’m being tortured by this nasty feeling. I have to make a certain and final choice between fireplaces and devices belonging to a new generation.

But my position isn’t so hopeless. Recently I have found out that there’s a perfect auxiliary unit for my fireplace. It means that I’m completely rescued. I can have an opportunity to get a wood pellet insert which can be easily fitted into my favorite fireplace. Thank to this unique environmentally friendly insert it’s possible to preserve the status of the primary heating device for my beloved fireplace.

This eco – friendly insert is somewhat similar to a wood pellet stove. To say honestly it would be better for me to buy exactly this stove instead of that insert mentioned above. But my lifestyle will be heavily hurt by the absence of my beloved heating device. So my choice is firmly. I’m going to buy this insert tomorrow. There’s no need to delay purchasing it till winter. I’m sure that this extremely vital buy is going to be affordable for me. So tomorrow I’ll celebrate this environmentally friendly buy with my friends. Now I need to fall asleep because I’ll have to get up early tomorrow to go for my eco – friendly shopping.

It is truly fantastic how gifted we are when the time comes to be more self sufficient about energy. The energy crisis that is rumored about pushed lots of people to inventing alternative ways of taking care of energy issues. One of them – wood pellets which are really fantastic and ecologically genuine.

Learn more about how simple the switch on wood pellets can be, and how it can help you and your neighbor. For the
insight and inspiration about wood pellets, please go to this web site.

Biomass Pellets And Gasification

Fossil fuels currently generate most of our electrical demands, and nuclear also plays a significant role. 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. You will obviously be familiar with wind turbines and generating electricity and how solar PV panels can also be used. 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. Wood and biomass when combusted efficiently are a carbon neutral fuel, which burns much cleaner than oil and particularly coal.

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Pyrolasis can turn resources such as wood residue, 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 send the energy into your home or business or back into the grid. 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.

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Large gasifiers can operate on most forms of biomass, and can do so economically and efficiently because of the expensive automated setup. Obviously to keep costs of operation and labour to a minimum automation is also vital but the cost of the equipment to justify output must also be considered. To enable an efficient process with low costs on a small scale the best option is to upgrade the raw material into pellets. Pellets have a uniform shape and size and high density, therefore contain very high yields of energy per tonne of fuel compared to unprocessed biomass. By operating a small scale gasifier on pellets provides the level of automation required to produce electricity on a small scale with low costs and reasonable income.

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Pellet Combustion And Wood Pellet Boilers

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. Pellets burner much cleaner than logs or coal producing less smoke and particulates. 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. In the developing world, cooking is also an area of interest for pellets.

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Powerless but highly efficient cooking stoves 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. Simple wood fires are highly inefficient and most of the energy of the wood is wasted. 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 vital to try and speed up improved combustion technology adoption.

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Why pellets play such a crucial role is the ability to use other fuels than simply just wood. Agriculture is obviously the main source of income, and there are huge resources wasted after the food crops have been harvested. Straw is regarded as a waste in many countries and simply burned in an open fire. This is not only really terrible for global warming due to the poor combustion, but it is also a massive waste of useable energy. Straw can be turned into pellets, which is ideal for these designs of stoves.

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What Are Fuel Pellets Used In?

What are pellets and what are they used for, is a question many people today still question. Their uses and need has changed over the last century, and will continue to change into the future. So what is a pellet, and how can it impact on our energy future. Place simply a pellet is a compressed form of a material. Pellets come in various different shapes and sizes, depending on their intended use. For example, the main original use for pellets was for animal feed. Different animals require different specific diets, vitamins and minerals to keep healthy. By mixing a specific feed mix together and then compressing it into pellets makes a standardised feed, which can be easily stored and rationed out to the animals. Another key use with animals in mind that came about, was for bedding. Animal bedding and particularly horse bedding has been traditionally straw or wood shavings. But, complications can arise from the high dust content of these raw materials, and the breathing health of the animals. A dust free and more absorbent bedding is produced through compression into pellets.

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Within recent years pellets as a fuel have grown in popularity. The fuel pellets can be made from a wide selection of raw materials, but the most well loved choice is wood pellets. Wood pellets are a high heat fuel which produce very small ash and therefore very small maintenance. Premium wood pellets refer to a standard of wood pellets, which produce the lowest ash content and have very small moisture, and therefore burn very efficiently. For example a wood log that is referred to as ‘dry’ will still contain roughly 30% moisture. A premium wood pellet will contain less than 10% moisture, and in many cases closer to 5% moisture.

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So why pellets, instead of simply using wood dust or logs? The advantages are to do with the characteristics of the pellets and their density. Pellets due to their high density flow very well, similar to a liquid. Therefore pellets work well in hopper and automatic feed systems. The high density of the pellets also means a very high combustion temperature is achieved. A high combustion temperature not only means more heat is generated but also a cleaner burn is achieved with no visible smoke. Many other materials such as straws and grasses can be compressed into pellets. Any organic material, which can be used as a fuel, is collectively called biomass. Biomass fuel pellets will become more common in the future, and stove and boiler designs must be able to cope with the different burning characteristics.

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Building Power Efficient Dwelling Place

Here are some things to reckon about, as far as my personal experience can be taken into account, when you are considering building an energy efficient home or perhaps already own an existing home, possibly with a walk out basement, which will not be the most efficient when it comes to utilities.

You should know that there are options if you do have a walkout basement. Solar or reflective mirrors could offer supplements to heating even if your basement windows are opposite the sun. As a matter of fact, you could use reflective mirrors in combination with a pipe which has oil or water running through it or a heliostat to reflect the suns rays into your house and have something as simple as cement blocks painted black to absorb the heat. Moreover, radiant heat is very energy effectual and a fantastic way to offset the loss of heat if you have or are thinking of building a walkout basement. By the way, radiant heat can be used with any heat source including wood, wood pellet, corn, and multi-fuel stoves; boilers, on demand water heaters, heat pumps, incinerators and solar. The other thing that needs to be added is that there are several different options to whatever type of lot you choose. We have every reason to believe that building an earth house is an option if the lot you have is not ideal for building an energy efficient home. In fact, you could simply heat the Earth home with a wood heater and blower. It is common knowledge that another option would be to build an envelope home, which could eliminate your whole run of the mill heating system, if designed properly. So, as a matter of fact, that might be a factor when looking for a lot to build your energy efficient home on.

As you may see, these are all factors when thinking green or just having a very energy efficient home. Lot size may be a factor, as far as my personal experience can be taken into account, when determining energy efficiency. By the way, if your lot size permits, you could design a geothermal system which can be very efficient when building a new home. It’s not a secret that an existing pond can be used for a geothermal system. One of the cardinal tips for you to know is that geothermal could also be built into an existing home. As far as this issue is concerned, maybe you need a new furnace or air conditioner. In a way, rather than purchasing a less energy efficient type of heating or cooling product, buy a heat pump instead and build a geothermal system. To the best of our knowledge, the total cost may exceed your budget for the appliance that you are replacing, but you will save in the long run on your utility bills. By the way, another option would be to use incinerators to heat your home by burning all your refuse . We can safely assume that all these thoughts can be taken into account and you can build for less than buying plus you will save money on your utility bills if you build for efficiency.

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