taphole


Also found in: Dictionary.

taphole

[′tap‚hōl]
(metallurgy)
A hole in a furnace or ladle through which molten metal is tapped.
References in periodicals archive ?
Riverside is a natural to join the Allied family," said Jon R, Tabor, chairman and CEO, Allied, "They have outstanding products, expertise in the manufacture of taphole clays, a skilled workforce, and an employee-driven culture that is a perfect fit with Allied's.
The design required the small version robot to enter the pipeline through a 3-inch taphole.
The idea here is to set the spout snugly so it won't fall out of the tree, yet without splitting the maple wood above or below the taphole, where the sap would leak.
A temperature of 2600 [degrees] F in the first stage melts the coal ash so that it flows out a taphole in the gasifier's bottom.
The software is sensitive to both positive and negative factors affecting cupola operation as it moves from the charge door to the taphole.
Prior to leaving the cupola a final time, the worker rams a small bott of moist molding sand over the inside of the taphole.
You can then create procedures for potential problems like a plugged taphole on the cupola, foreign material in the charge, blown water hose on an inductor, power shutdowns, runouts, etc.
Common refractory types include: bauxite silicon carbide for taphole, well, breast and front slaggers; resin-bonded bauxite for slaggers on high production cupolas; high alumina formulations for corrosive slags; alumina silica carbide for continuous blast cupolas w/basic slags.
At the first sight of fluid entering the safety tuyere, the blast should be turned to relief (spill) and the taphole should be opened.
Gunning can be used to cover bare shell areas, repair a bottom hole, dress the spout or pipe a taphole.
Some silver maples that Joe Parrott had tapped in February grew so much, despite inundation, that the tapholes were completely healed over by midsummer.
Occasionally, the touch-trigger probe is also used as a broken tool detection device to check small drill and tapholes for broken tools.