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Hot blast stoves, as core thermal equipment in industrial production, have performance and service life that largely depend on the selection of refractory materials. These refractory bricks act as guardians of the stove, silently enduring harsh conditions such as high…
In high-temperature industrial sectors such as cement production, steel manufacturing, and non-ferrous metal smelting, the rotary kiln stands as the “heart” of the production line. Operating in a continuous 360-degree rotation, it performs critical processes like calcination and roasting of…
The consumption of refractory materials for steelmaking is substantial, and it directly affects the service life of steelmaking furnaces and smelting costs. Therefore, when selecting refractory materials, in addition to meeting the requirements of smelting processes, it is necessary to…
The ladle used in traditional steelmaking processes, such as the short-route ladle-ingot method, primarily employs refractory materials such as aluminosilicate bricks, semi-silica bricks, and pyrophyllite bricks. When used in long-route methods like secondary refining and continuous casting, the refractory materials…
Steel ladles are primarily used for containing molten steel. Before tapping, the ladle must be preheated and baked. During tapping, molten steel at approximately 1650°C is poured from the furnace into the ladle. The ladle not only endures intense thermal…
Castables are granular and powdered materials made from refractory substances, combined with a certain amount of binder and water, forming a highly fluid mixture suitable for shaping by casting. To enhance fluidity or reduce water content, plasticizers or water-reducing agents…
Silica brick is a refractory product primarily composed of silica (SiO₂ content ≥93%). It is manufactured from quartzite with a small amount of mineralizer and fired at high temperatures. Its mineral composition consists of a multiphase structure including tridymite, cristobalite,…
Generally speaking, refractory materials are inorganic non-metallic materials with a refractoriness of no less than 1580°C. Refractoriness refers to the stability of a refractory material in resisting high-temperature effects without load, that is, its ability to resist melting or softening…
Structure of Converter A converter is generally composed of a converter furnace body, supporting mechanism, tilting mechanism, oxygen supply mechanism, etc. For top-blown oxygen converters, bottom-blown converters, and top-bottom combined blown converters, due to different oxygen and gas supply methods,…
The heat treatment furnace is a fundamental piece of equipment in the heat treatment workshops of metallurgical plants and machinery manufacturing factories. In metallurgical plants, the primary subjects of heat treatment are metal ingots, plates, tubes, wires, as well as…