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Aluminum Electrolytic Cell High-Temperature Flue Gas Roasting System
The high-temperature flue gas roasting system for aluminum electrolytic cells is a critical piece of equipment used for the roasting and startup of overhauled cells, new cells, cells undergoing secondary startup, refined-aluminum cells, and specially shaped cathode cells.
Keywords:
Aluminum melting, casting, homogenization, and heat treatment
Category:
Product Description
Device description
The high-temperature flue gas roasting system for aluminum electrolytic cells is a critical piece of equipment used for the roasting and startup of refurbished cells, new cells, second-startup cells, refined-aluminum cells, and specially shaped cathode cells. This system can effectively improve the quality of cell roasting and significantly reduce power consumption. Moreover, when applied to the roasting of second-startup cells, it eliminates the need for slotting operations, thereby saving substantial labor and energy costs, reducing the risk of cell leakage, extending the service life of the electrolytic cells, and promoting energy conservation and environmental protection.
Technical Parameters
Applicable ranges: 660KA, 500KA, 400KA, 350KA, 300KA, 240KA, 200KA
Gas types: natural gas, liquefied petroleum gas, city gas, producer gas, and others.
Firing temperature: 850℃–950℃ Temperature deviation range: ≤±3℃ Firing cycle: 3–4 days
Device characteristics
Self-developed ultra-low NOx injection-type calcining burner
Automatic ignition and automatic flame monitoring system
Equipped with Yokogawa’s high-precision air-gas flow measurement and monitoring system.
Adopting cross-limiting control technology for air-gas interaction
Oxygen content monitoring and a closed-loop control system for combustion air ensure precise adjustment of the oxygen content within the tank, thereby preventing oxidation of the carbon blocks.
Set a predetermined temperature rise curve, and monitor and record the temperature rise at each point in real time.
All components feature modular interfaces, making equipment installation and removal more efficient and faster.
Fully automatic intelligent combustion control system, with excellent DCS process control.
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