PULVERIZING BALL FROM KENNEDYVAN SAUN AIR SWEPT TUBE MILL .
Oct 10, 2018 · SHORT DESCRIPTION: Cast iron ball set in a wooden plaque. NOTES: This item was used in the coal coal combustion requires that all the carbon particles in coal should get sufficient air to burn and release the heat. When coal is burned on grates without any change in size or pulverizing its large size means that some of the carbon particles do not .