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Wood shavings plant comprising log handling, debarking, log planing (Blue Diamond), shavings separation, bulk shavings storage bunker, shavings drying (MEC triple pass rotary drum + Energy Unlimited 5MW sawdust burner) and rotary shavings dedusting unit. Includes sawdust bunker to feed burner, all fans, cyclones, reversejet filter, handling equipment and control equipment. About 5 tph wet shavings in 3 tph dry shavings out.
Price - £250,000
Complete shavings plant constructed in 2010 and believed to have ceased operation in 2016. Approximate output is 2.5 tph of dry shavings.
There is no debarking machine so the bark particles end up within the shavings but a lot get screen out from the dry shavings and end up as fuel for the furnace.
The logs are loaded onto a log haul conveyor and through two log planers in-line. The planers are a 2.6 metre single box by Jackson Lumber with two heads and a single drive and a 2.6 metre single box Blue Diamond with two heads each with their own drive. The shavings are conveyed away from below the planers and transported to a star screen for the removal of splinters. Clean shavings are transferred to a bunker feeder which provides a controlled feed rate for the shavings to the dryer.
The dryer is a Webb type suspension refactory lined vertical furnace connected to a triple pass rotary drum dryer. Both were supplied by Jackson Lumber in USA but not necessarily built by them.
The furnace was built in 2009 and has an output of 15 million BTU (4.4MW). It burns the screenings from the dry shavings sieve which are pneumatically transferred from the screen to a holding hopper and then through a small hammer mill prior to pneumatic transfer to the furnace.
The furnace is connected to triple pass lagged and clad rotary drum dryer 2.4 metres diameter x 7.3 metres long. The drum rides on rollers and riding rings at either end and has a friction drive.
The dry shavings are sucked out of the drum dryer and into a cyclone separator by a centrifugal fan. The cyclone discharge is fitted with a rotary valve through which the shavings pass onto a conveyor. The conveyor lifts the shavings up to a reciprocating screen, made by Balepak, where small particles are removed and transported back to the fuel hopper.
From the sieve the clean dry shavings can go to a long chain and slat conveyor for loading open topped bulk transporters or to a baler. The baler is a twin ram Balepak 120 with a capacity of 120 bales per hour. This is a hand operated unit with the operator placing the plastic sleeves on the bale tube, removing them when filled, heat sealing them closed and loading to a pallet. .
Price - £230,000