Midwest USA Commercial Heat Treater Orders Very Large Car Bottom Furnace
(Editors Note; “The Monty” is unsure of who the customer for this furnace is although we can make some educated guesses. Obviously the customer has landed a very substantial order with some sort of definite financial commitments or they would not be making this large an investment.)
“In a move that builds further on an encouraging first half of 2025, NUTEC Bickley recently gained the order for a gas-fired car bottom furnace for one of the most well-established heat treat operations in the US Midwest. This furnace will be capable of handling both steel and aluminum ingots and has been designed to operate across a wide temperature range. The high levels of temperature uniformity to be delivered by the combustion system mean that this furnace will be qualified to undertake AMS 2750 compliant surveys.The working dimensions of the furnace are 3.66m wide by 10.67m long by 4.42m high and it is able to accommodate substantial loads – up to 68,000kg per cycle. Normal operational temperatures range between 150°C and 900°C, with a maximum of 1095°C. With burners firing above and below the load, there are 11 automatic control zones (five top, six bottom).
In this case, the furnace uses top brand high-velocity nozzle-mix burners, each individually controlled with its own automatic ignition and safety systems. The burners are positioned in staggered configuration to fire above and below the load, maximizing heat transfer and providing optimum temperature uniformity. The IMPS system generates a predetermined pulse sequence to fire individual burners, or groups of burners, depending on the heat requirement of each of the 11 control zones.Overall process stability is ensured through the innovative elements of NUTEC Bickley’s chamber pressure control system. A digital transmitter senses the pressure inside the furnace and provides feedback to the control system, which in turn modulates the linear flow-controlled exhaust damper to provide precise control of the exhaust gases and chamber pressure. The exhaust control damper comprises a multi-louver blade manufactured from cordierite with an internal shaft manufactured from reaction-bonded silicon carbide (SiSiC).
Arturo Arechavaleta, NUTEC Bickley’s VP, Metal Furnaces, said: “Our customer for this important project has been serving industry with a dedicated heat treat facility for many decades, and is a widely recognized and trusted name in steel and aluminum circles. We have a similar pedigree when it comes to designing car bottom furnaces and so this project is a great fit. We’re pleased and proud to be delivering once again to a successful customer that is expanding capacity and looking to benefit from the very latest combustion technologies.”
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