Re: Hog Fuel
Daniel A. Mitchell
Not saying this is wrong, since ground up bark can well be a part of “Hog Fuel”, but in mills I’ve visited ALL the “slash” (odd pieces of wood) produced in the cutting proccess is sent (usually by conveyors) to the “hog” to be ground up. Bark would be only a small fraction of the wood being ground up. Also many smaller mills did not have the bark-stripping water jets. On reason the logs were put in the ponds in the first place was to soak off the dirt and rocks lodged in the bark, and to loosen the bark. The floating logs (some sink) were also easier to move about and feed into the mill’s jackslip.toggle quoted messageShow quoted text
It is common for old log ponds and rivers to have many feet of rotting bark at their bottoms. It’s sometimes a problem when trying to backfill the ponds for redevelopment. The crud won’t support things built upon it. The solution is to either dredge out the material, or drive piles clear through it.
With modern log-handling machinery ponds are hardly ever used anymore, and far more powerful mechanical "debarking” machinery is used.