a. The boom foot and idler sprocket assembly on a ladder ditcher.
Nichols, 1
b. The block used to pull a slusher to the face.
See:tailgate
A chain used in mine haulage; also, tail rope. Korson
In mining, a crab or winch for operating a tail rope. Standard, 2
a. That part of a mining belt conveyor that consists of the tail section
and, when required, a belt takeup, a telescopic section, and a loading
station. NEMA, 2
b. The end of a conveyor remote from the delivery point.
See also:tension end
See:loading station
A subsidiary gate road to a conveyor face as opposed to a main gate. The
tailgate commonly acts as the return airway and supplies road to the face.
Syn:barrier gate; tailboard. See also:bottom gate
The buildings in which tailings are treated. Fay
a. Giving the proper angle, or elevation, in driving the poling boards in
a heading. Stauffer
b. The part of a projecting brick or stone inserted in a wall.
Crispin
See:catch pit
Area closed at lower end by constraining wall or dam to which mill
effluents are run. Clear water may be returned after settlement in dam,
via penstock(s) and piping. Pryor, 3
a. The gangue and other refuse material resulting from the washing,
concentration, or treatment of ground ore. See also:tail
Webster 3rd
b. Those portions of washed ore or coal that are regarded as too poor to
be treated further Standard, 2
c. Applied to sectional residue, e.g., table tailings, which is the
residue from shaking screens and tables. Nelson
d. The reject from froth flotation cells. BS, 5
One to which slurry is transported, the solids settling while the liquid
may be withdrawn. Pryor, 3
A machine for sifting the tailings and collecting the gold from the
detritus after it has passed through the washer. Nelson
A vessel to remove solids from the tailings effluent as in a coal washery.
The tank is about 60 ft (18 m) in diameter and 10 ft (3 m) deep. The
tailings are fed in at the center with a flocculant. As the suspension
travels from the center to overflow at the perimeter of the tank, the
solids settle out and the clear water overflows, is collected, and is
returned to the washer for reuse. Nelson
A wheel carrying buckets or compartments on the periphery and used in
conveying liquid, pulp, or sand from a lower to a higher level.
Fay
A joist that has one end terminating against a header joist.
See:tail beam
A light carried at the back end of a car, train, trip, or movable
machinery.
The edge of water standing in mine workings. BS, 10
The suction pipe of a pump. Fay
a. The terminal pulley at the end of the conveyor opposite the normal
discharge end. It is usually an idler pulley but may be a drive pulley.
NEMA, 2
b. The pulley or roller in the tail or foot section of a belt conveyor
around which the belt runs. Also known as foot-section pulley.
Jones, 1