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Furnace fragments and tapping slag at KAJ are smaller than in most excavated contexts at KEN, and the tuyere are shorter and less sophisticated (Levy et al.
The 42-day reline began with the blowdown of the furnace, followed by the removal of blowpipes and tuyeres.
While the main activities carried out here were the re-melting of copper and slag crushing, many artefacts came to light including hammerstones, dimpled hammerstones, pestles, polishing stones, grinding stones, tuyere pipe fragments, partially processed copper, copper ore, and slag with copper.
Tenders are invited for "Provision Of Tuyere Stock Repair Cum Storage Shed For Bf Department" At Blast Furnace Of Bokaro Steel Plant To Be Executed On Item Rate Basis.
Contract Awarded for Technological Assistance for TC Changing Tuyere Changing Blowpipe with Elbow Changing in BF-3 and Jam Removal from Cast House and other areas of BF-3
In addition to straight, cylindrical tuyeres, we also uncovered an `elbow' tuyere and four double tuyeres (previously unknown on Cyprus) (FIGURE 4).
Along with the tools, large quantities of iron and copper slag (see TABLE 2), charcoal, ash, burned earth, hammer scale, iron nails, animal bones and horn cores, and a clay tuyere, were recovered from deposits up to 1 m thick beginning about 0.
Contract awarded for technological assistance for tc changing, tuyere changing, blowpipe with elbow changing in bf3 and jam removal from cast house and other areas of bf3/technological assistance for tc changing, tuyere changing, blowpipe with elbow changing in bf3 and jam removal from cast house and other areas of bf3
For example, cupola operators can keep a safety tuyere open to collect any molten metal that escapes in the event of a runout.
If the tuyeres through which air is injected into the furnace melt down to a point where the molten metal threatens to flow into the air cavity, the first and second helpers mend the nozzle by covering and stoppering it with clay.
It has 36 tuyeres (pipes) which allow air to be blown into the furnace and four tap holes for removing the iron out of the furnace.