kohószerkezeti

Kohószerkezeti refers to the structural components and systems within a blast furnace. A blast furnace is a large industrial furnace used for smelting iron ore and producing pig iron. The integrity and design of its structural elements are critical for safe and efficient operation.

Key structural components include the hearth, the stack, and the shaft. The hearth is the bottom-most part of the furnace where molten iron and slag collect. It is designed to withstand extremely high temperatures and the corrosive nature of molten materials. The stack is the main body of the furnace, extending upwards from the hearth. It houses the burden, a mixture of iron ore, coke, and limestone, which is gradually heated and reduced as it descends. The shaft is the upper section of the furnace where preheating and initial reduction of the burden occur.

Other significant structural aspects include the refractory lining, which protects the furnace walls from heat and chemical attack. This lining is typically made of specialized materials like fireclay, alumina, or silicon carbide. The supporting structure, often made of steel, bears the immense weight of the furnace and its contents. Cooling systems, such as tuyeres for air injection and water cooling jackets, are also integral to the structural design, preventing overheating and material failure. The overall structural stability ensures the furnace can withstand thermal expansion, contraction, and the physical forces generated during operation.