attrition mill

attrition mill

[ə′trish·ən ‚mil]
(mechanical engineering)
A machine in which materials are pulverized between two toothed metal disks rotating in opposite directions.
References in periodicals archive ?
[13.] Agbeve NK Disc attrition mill as a medium for aflatoxin contamination in milled maize.
The gate was mounted to a structure that also supported a forklift hopper for storage of virgin sand as well as a pneumatic hopper for receiving reclaimed sand from the second phase: a combination attrition mill and shakeout deck with classification for fines removal.
launched a new Attrition Mill within its line of washing and classifying machinery.
In New England, the common practice is to mix the residues, run them through an attrition mill to comminute them to a smaller size, and then dry them in a rotary, multipass drying system.
Freezing turns the rubber granules into a glass-like state that fractures easily during grinding in a high-speed attrition mill. After size-reducing, the material passes through a rotary drum magnet to remove steel belting freed during the grinding process.
The process of making the chemical composition comprises the steps of filling a mixer with 30-60% by weight of hot water and adding 10-20% by weight of barium carbonate or strontium carbonate, 10-20% by weight of phosphoric acid (75%), 5-15% by weight of lime, and 10-20% by weight of boric acid; mixing the contents for 10-15 minutes to create a wet slurry; pouring the wet slurry into an attrition mill for 15-60 minutes; drying the wet slurry and milling it to an average particle size of one to two microns to form a dry pigment; and pushing the dry pigment through a 325 mesh sieve.
In the Ghanaian markets the most popular size reduction used is based on the principle of attrition using a disc attrition mill [1].
The high solids route is somewhat different to the low solids route in that it receives a feed from a roller or attrition mill. This feed will be mixed with water and a surfactant, usually a polyacrylate salt, at high (around 50%) solids.
If the flow is obstructed by debris from the attrition mill, the blocks are cleared and the attrition mill is inspected for holes in the screens and plates.
General Kinematics Vibra-Mill attrition mills have proven performance in scores of foundries as both a total attrition mill or as a sand pre-conditioner.
The SDAM is a shakeout deck with an integral attrition mill. This deck is low level and requires no pit, making loading and casting removal a sailer operation.
Palmer Manufacturing introduces this low level shakeout deck with attrition mill. This new shakeout deck attrition Mill (SDAM) is a shakeout deck, with integral attrition mill.