Wood Chipper - How Wood Pellets are Made
Wood pellets became a popular source of home heating back in the 1980's and have had mixed reviews over the years since then. Recently pellets have started making a comeback as an alternative to fossil fuels. Pellets are not only being used for home heating, they area also being used as a form of energy for commercial boilers and power plants.
The pellet making process involves compressing small pieces of wood into a dense cylindrical pellet. This is done by using a roller to shove the wood into a die full of pellet sized holes. The tops of the holes are tapered so the wood must get smaller the deeper into the die it goes.
This compressed the wood into a dense pellet and also heats the pellet by friction and compression. The heat causes binders that are in the wood naturally or added to the mix. After the pellet is extracted, they cool and the binders turn solid again and glue the pellet together. This creates a very dense and hard pellet that will hold together until it is burned.
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For some types of wood, pellet manufacturers must add vegetable oil or other binding agents to the wood before it is made into a pellet. But for many types of wood, especially resinous softwood, they naturally contain enough lignins and other binding material so none needs to be added.
Depending on how the raw wood arrives at the pellet mill, there are other steps involved in making pellets. Wood must be in pieces small enough to fit into the dies. With mill wastes like sawdust sometimes it is already small enough. But for solid chunks of wood they will need to be reduced in size. A chipper will grind the larger pieces and then a hammer mill can be used to break the wood into even smaller pieces.
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A pellet can be made easily with a pellet mill but in order for the pellet to be of quality, conditions must be ideal. Otherwise the pellet may fall apart before it ever reaches its destination to be burned. The wood must have the proper moisture content of around 15-20%. For most wood this means it will need to be dried. Most pellet mills have driers to reduce the moisture content. These are usually the most energy intensive part of the whole mill and are often pellet fired.
If the wood is already too dry, moisture will have to be added to the mix to get it to the right level. Depending on the wood, a binding agent may have to be added. Corn starch, vegetable oil and other organic material are often used.
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Once the pellet is finished and cooled it is bagged or put in other air tight containers to seal out moisture. Dry pellets burn very efficiently and clean in both home heating units and commercial boilers. Since pellets come from trees, they are renewable and are considered to be carbon neutral. As the world searches for clean alternatives to fossil fuels, like coal and petroleum, wood pellets are quickly increasing in demand and will likely continue to do so.
Wood chipper!
Wood Chipper | Garden Equipment, Power Tools, Mowers, Supplies etc..!
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Generators, Chainsaws, Lawn and Garden Power Tools - Wholesale Prices! | Wood Chipper
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Eco-Shredder ES1600 14 amp Electric Chipper / Shredder / Mulcher List Price: Sale Price: $199.99 You save: $50.00 (20%) |
DescriptionMaking your own organic garden mulch can save you money, and it's a great way to protect the environment through recycling. The Eco-Shredder ES1600 14-Amp Electric Chipper/Shredder/Mulcher can reduce leaves, sticks, and small branches down to a nutrient-rich compost that you can use to fertilize your plants... |
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Greenworks 24052 15 amp Electric Chipper List Price: Sale Price: $143.11 You save: $56.88 (28%) |
Description15 Amp Electric Motor Cord lock prevents cord from disconnecting Designed To Work On ... |
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Patriot Products CVB-2465B 24-Inch Briggs & Stratton Gas Powered Walk Behind 3-In-1 Leaf Vacuum/Chipper/Blower Sale Price: $849.00 |
DescriptionThe CBV-2465B does it all. It will chip thick 2-inch branches by feeding them into the solid cast aluminum cone. You can clear a 24-inch wide path as it vacuums up leaves and lawn debris. Special Y-flail blades reduce the debris and blow it into the 4-bushel collection bag or you can direct the mulch back into the lawn... |
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Flowtron LE-900 The Ultimate Mulcher Electric Leaf Shredder List Price: Sale Price: $149.00 You save: $20.99 (12%) |
DescriptionFlowtron’s LE-900 Leaf-Eater Mulcher/Shredder quickly recycles yard and garden waste into nutrient-rich mulch that's ready to be disposed of or reprocessed into compost. Powered by regular household current and featuring special positions for leaves (coarse to fine), grass, thatch, and pine needles, this handy tool reduces 11 bags of leaves to just one bag, saving money on expensive trash bags and trash pickup... |
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WORX WG430 13 amp Electric Leaf Mulcher/Shredder List Price: Sale Price: $124.99 You save: $45.00 (26%) |
DescriptionThe WORX WG430 Leaf Mulcher is the all-in-one solution to an annual problem: piles and piles of leaves in the yard. It smartly disposes of heaps of leafy yard waste in a few simple steps, turning hundreds of gallons of rotting leaves into vitamin-rich, organic mulch that's a perfect fertilizer for your flowerbed or garden... |
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Patriot Products 888000061 Standard Wood Chipper Leaf Shredder Collection Bag Sale Price: $29.00 |
DescriptionThis bag is great for anyone who is chipping wood or shredding leaves and vegetation. Simply connect the bag to the discharge of your wood chipper or leaf shredder. Processed material is conveniently collected in the bag so that it can neatly and easily be moved to where it is needed. |
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Patriot Products CSV-2515 14 Amp Electric Wood Chipper/Leaf Shredder Sale Price: $939.00 |
DescriptionOur most popular model! This Electric Chipper Shredder is the only one of its kind on the market today. Our unit will chip branches up to 2 1/2 inches in diameter. It is also ideal for shredding leaves... |
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GudCraft 5.5 HP Gas Powered Wood Chipper/Leaf Shredder List Price: Sale Price: $372.27 You save: $77.73 (17%) |
DescriptionThis is the perfect 5.5 HP machine for large property owners. This gas-powered unit will quickly make mulch out of thick 1 1/4" inch diameter branches by running them down the cone. Small trimmings and yard waste can be dropped in the hopper for shredding... |
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Patriot Products 888000227 Chipper Buddy Sale Price: $39.00 |
DescriptionYou've asked for it and now Patriot is delivering. The Chipper Buddy is designed for use with all models of Patriot chipper shredders. It also works with units made by Simplicity, Baker, and Earthquake... |
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TroyBilt Chipper/Lawn Vac Bag. Bag ONLY Sale Price: $84.99 |


US $1,699.90
























