11:32 am - Monday May 28, 2012

Wood Recycling

Wood recyclingWood recycling is the process by which clean waste wood, containing no contaminants or hazardous materials such as glue, lead paint, asbestos or creosote, are ground into chips and used to make new products. Tree branches, stumps, pallets and clean scrap wood from construction sites are all examples of clean waste wood. Recycling wood reduces cutting of new trees, which in turn preserves the forest habitat of many birds and animals and reduces the incidence of soil erosion. Wood that is recycled is diverted from landfills, reducing the number of new landfill sites that must be created. The process is straightforward.

1. Load waste wood containing rock, soil or metal into the hopper allowing it to be moved by conveyor into the trommel screen where small pieces drop through and large pieces drop into a water bath.

2. Separate wood floating in the water bath using an upper conveyor belt partially positioned below the surface of the water.Transport the floating wood by conveyor to the front of the classifier.

3. Move, by means of a lower conveyor, the heavier waterlogged wood and rock from the bottom of the wood bath and transport it to the rear of the classifier for disposal.

4. Pick up the wood from the front of the classifier using a front end loader. Expose the wood to industrial magnets to separate any metal from the mix.

5. Move the material to the tub grinder, horizontal grinder or wood chipper. Grind the wood into chips to be sold for use in particle board, chipboard, pulp and paper products, animal bedding, mulch, biomass fuel and compost.

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