Search results
Results from the WOW.Com Content Network
In modern times, the 8 bore has uses in the mining, cement, and steel industry. It has been used to knock down overhangs in mines or quarries, break up bridging or stoppages in silos, to desist boiler tubes, and remove slag deposits from rotary kilns, by blasting away at them from a safe distance.
A second kiln was brought into service in June 1900. A narrow gauge internal tramway system was built to serve the quarry and works. This grew to be the largest 2 ft (610 mm) gauge railway in the British steel-making industry. [1]
Fluorine is beneficial to the kiln process in that it allows alite to form at lower temperature. However, at levels above 0.25% in the clinker, delayed and erratic cement setting time results. Alkali metals (primarily sodium and potassium) cause processing problems because they form volatile salts in the kiln system. These evaporate in the kiln ...
Pyrometric devices gauge heatwork (the combined effect of both time and temperature) when firing materials inside a kiln. Pyrometric devices do not measure temperature, but can report temperature equivalents. In principle, a pyrometric device relates the amount of heat work on ware to a measurable shrinkage or deformation of a regular shape.
As of 2000, the waelz process is considered to be a "best available technology" for flue dust zinc recovery and the process is used at industrial scale worldwide. [7] As of 2014, the Waelz process is the preferred or most widely used process for zinc recovery of zinc from electric arc furnace dust (90%). [8]
Four Seger cones after use. Pyrometric cones are pyrometric devices that are used to gauge heatwork during the firing of ceramic materials in a kiln. The cones, often used in sets of three, are positioned in a kiln with the wares to be fired and, because the individual cones in a set soften and fall over at different temperatures, they provide a visual indication of when the wares have reached ...
The mass of a typical 6 m × 60 m (20 ft × 197 ft) kiln, including refractories and feed, is around 1,100 t (2,400,000 lb), and would be carried on three tyres and sets of rollers, spaced along the length of the kiln. The longest kilns may have 8 sets of rollers, while very short and small kilns may have none.
A single-ended recuperative (SER) burner is a type of gas burner used in high-temperature industrial kilns and furnaces. These burners are used where indirect heating is required, e.g. where the products of combustion are not allowed to combine with the atmosphere of the furnace. The typical design is a tubular (pipe) shape with convoluted ...