A blast-furnace tuyere nozzle directs hot blast through the furnace wall into the hearth region. Its cooled body and exposed nose require a defined construction and water-circuit arrangement. The nozzle drawing also establishes its fit with the surrounding cooler and upstream blowpipe.
Water-cooled blast-furnace tuyere nozzle assemblies: the hot-blast passage, exposed nose, body and their cooling passages. Surrounding tuyere coolers and upstream blowpipes are interface components, supplied only where the assembly drawing includes them. Complete blast-furnace structures, furnace-wall staves, slag granulation chambers (3763) and post-furnace slag handling systems (846) are outside this nozzle entity.
CNFX editorial research · Sources checked October 18, 2026 · 3 sources
Identify the projecting nozzle and its seating surfaces
The historical fabricated-tuyere patent distinguishes the projecting nozzle from the surrounding water-cooled tuyere cooler and the blowpipe feeding it. In that design, the nozzle combines a copper nose with a fabricated heat-exchange body and a blowpipe seat. This is a documented construction example, not a universal material schedule for every tuyere. [3]
Itametais describes manufacture of electrolytic-copper tuyeres to customer drawings, specifications or technical samples. Its listed configurations include different cooling-channel arrangements and a replaceable tip only where the design and installation are compatible. State which nozzle, cooler and connection surfaces are included in the order. [1]
02
Specify the nose and body cooling paths from the actual design
The ISIJ erosion study describes its investigated copper tuyere with separate body and nose cooling circuits. The authors compared a scanned used component with its original model and found the greatest material loss at the upper nose front in that investigation. That location is a study finding, not a service-life prediction or a universal wear allowance. [2]
Itametais lists single- or double-chamber configurations and conventional or spiral channels. Its inspection list includes hydrostatic testing, radiography, liquid penetrant testing, ultrasonics, conductivity verification and dimensional inspection. Agree the applicable tests and acceptance criteria for the ordered drawing; the product page supplies no universal test pressure or guaranteed life for another design. [1]
03
Provide the installed tuyere drawing and operating conditions
Paste it into your enquiry below or into an email to a maker, then replace every bracket.
Assembly: [nozzle, surrounding cooler and blowpipe interfaces; included items]
Drawing: [nose/body geometry; bore; taper/seating surfaces; connections]
Cooling: [body/nose circuit arrangement; available water conditions and quality]
Service: [furnace operating conditions; observed wear or leakage location]
Construction: [copper specification; fabricated/cast parts; joins; any protection or replaceable tip]
Acceptance: [dimensional checks; applicable integrity tests; test conditions and records]
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Compiled and source-reviewed by the CNFX editorial team.
Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review
· Page last updated 18 October 2026
Buyer questions
Is a tuyere nozzle the same component as the surrounding tuyere cooler?
The cited fabricated-tuyere patent identifies them separately: the projecting nozzle seats into a surrounding cooler. Confirm the supplied assembly boundary and interface drawing. [3]
Do all tuyere nozzles use the same cooling-circuit arrangement?
The ISIJ study investigates separate body and nose circuits; Itametais lists single- and double-chamber options. Specify the actual passage drawing rather than transferring one arrangement to another design. [2][1]
Sources and evidence scope
Sources checked 2026-10-18. The maker describes its available constructions and inspections; the erosion paper concerns an investigated tuyere; the historical patent distinguishes nozzle and cooler components. None establishes a universal nozzle size, blast pressure, cooling-water flow or replacement interval.
