Main channel iron tapping slag line castable
Primarily used for the casting and construction of the iron tapping spout and slag line in the main raceway of blast furnaces, this material effectively resists the erosive attack from high-temperature molten iron and slag. It helps reduce refractory consumption at the iron tapping point, increases the amount of iron delivered through the main raceway, and ensures safe iron discharge from the furnace. Its core performance characteristics—including resistance to high temperatures, excellent erosion resistance, superior slag corrosion protection, and outstanding thermal shock resistance—make it ideal for demanding applications. Key raw materials include alumina, silicon carbide, carbon-based materials, and a binding agent such as pure calcium aluminate cement.
Main channel iron tapping point iron wire casting material
Primarily used for the casting construction of the iron tapping line at the main taphole of blast furnaces, this material effectively reduces material wear caused by molten iron impact, extending the service life of the iron channel and minimizing the risk of molten iron leakage due to damage at the tapping point. This ensures stable iron-discharging operations in blast furnaces. Its core performance meets critical requirements such as high-temperature resistance and erosion resistance, with key raw materials including corundum, silicon carbide, carbon-based materials, and pure calcium aluminate cement as a binding agent.
High-Strength Castable for Main Trench
Primarily used for casting construction in the rear section of the main taphole, this material can withstand the scouring, erosion, and high-temperature impacts caused by molten iron and slag, ensuring the structural stability of the taphole. Its core performance must meet stringent requirements such as high-temperature resistance, excellent abrasion resistance, superior slag erosion resistance, and exceptional thermal shock resistance. Key raw materials include bauxite, corundum, silicon carbide, carbon-based materials, and binding agents like pure calcium aluminate cement.
It is a high-performance refractory material specifically designed for slag skimmers in blast furnace ironmaking yards. Outstanding in terms of erosion resistance, thermal shock resistance, and high-temperature strength, this material effectively extends the service life of slag skimmers and reduces maintenance frequency. As a result, it plays a critical role in ensuring stable and smooth blast furnace operations while boosting overall production efficiency. Key raw materials include corundum, silicon carbide, carbon-based materials, and pure calcium aluminate cement, among others.
This is for the casting construction of the blast furnace branch channels, and its core performance must meet requirements such as high-temperature resistance, erosion resistance, and thermal shock resistance. The main raw materials include bauxite, corundum, silicon carbide, carbon-based materials, and pure calcium aluminate cement, among others.
For the casting construction of blast furnace slag troughs, the core performance must meet requirements such as resistance to slag erosion, thermal shock resistance, high-temperature durability, abrasion resistance, and oxidation resistance. Key raw materials include bauxite, corundum, silicon carbide, carbon-based materials, and pure calcium aluminate cement, among others.
This refers to the casting construction used for the blast furnace swing trough—a channel connecting the main taphole to the torpedo car, designed to divert molten iron via a pivoting mechanism. Due to frequent exposure to molten iron erosion, sudden temperature fluctuations, and continuous mechanical movement in this area, the core performance of the material must meet stringent requirements such as thermal shock resistance, erosion resistance, high-temperature durability, and oxidation resistance. Key raw materials include bauxite, corundum, silicon carbide, carbon-based materials, and pure calcium aluminate cement, among others.
Iron Trench Hot-Repairs Explosion-Proof Castable
It is a functional refractory material specifically designed for the rapid, hot-state repair of iron tapping channels in blast furnaces. This material strikes an excellent balance between explosion-proof performance, baking efficiency, and erosion resistance, effectively reducing blast furnace downtime and boosting production efficiency. Key raw materials include corundum, bauxite, silicon carbide, carbon-based materials, and pure calcium aluminate cement, among others.
Unshaped refractory materials used as permanent linings for thermal equipment such as blast furnaces and industrial furnaces, these materials exhibit excellent strength, dimensional stability, and long-term performance under high-temperature conditions. Key raw materials include bauxite, silicon carbide, and pure calcium aluminate cement, among others.
Wear-resistant castable for slag discharge channels
This is a high-strength, highly wear-resistant, and acid-erosion-resistant lining material specifically designed for blast furnace slag tapping channels. It is primarily used to withstand the intense scouring and abrasion caused by rapidly flowing granulated slag. Key raw materials include corundum, bauxite, and calcium aluminate cement, among others.
Mud-pack castables are a type of unshaped refractory material used inside the hearth of blast furnaces, offering excellent resistance to erosion and abrasion. They are primarily employed to support the ramming mass that forms a complete mud pack inside the hearth, ensuring smooth iron tapping channels while preventing cracks that could lead to iron leakage.
It is an unshaped refractory material used as a cover plate for hot-metal channels, slag channels, and other thermal equipment in blast furnaces. Primarily, it serves to cover molten iron and slag, provide insulation, and protect the underlying steel structure. Under high-temperature conditions, this material must exhibit excellent thermal shock resistance, insulation properties, and structural strength to prevent cracking or collapse caused by frequent thermal shocks. Key raw materials include corundum, bauxite, silicon carbide, carbon-based materials, and pure calcium aluminate cement, among others.
Prefabricated Iron Gutter Components (Blocks)
Iron trough prefabricates are customized, factory-produced refractory components designed specifically for the demanding conditions of blast furnace iron troughs—channels used to transport molten iron. These preformed elements are made from refractory materials that are shaped in advance at the factory, allowing for direct on-site installation. They serve as critical protective linings within the iron trough, effectively resisting molten iron erosion, high-temperature corrosion, and thermal shock damage. Prefabricated components boast excellent dimensional stability after undergoing high-temperature baking, making them ready for immediate use while minimizing the risk of cracking—commonly caused by improper curing of castable materials during the baking process.
This is a functional refractory material specifically designed for the rapid, hot-state repair of iron tapping channels in blast furnaces. It strikes an excellent balance between construction efficiency—particularly its ability to eliminate the need for removing old linings and enabling hot repairs—and the durability of the repaired area, showcasing outstanding resistance to erosion and scouring. As a result, it effectively extends the overall lifespan of the iron channel, playing a critical role in ensuring stable furnace operations and boosting production efficiency. Key raw materials include corundum, bauxite, silicon carbide, carbon-based materials, and pure calcium aluminate cement, among others.
Slag Channel Non-Baking Ramming Material
Slag trough non-baked ramming material is an unshaped refractory used specifically for the slag trough area of blast furnaces. This material exhibits excellent high-temperature mechanical properties, effectively resisting erosion and scouring from molten slag, while also demonstrating superior thermal shock resistance and minimal post-calcination volume change. During construction, after thoroughly cleaning the slag trough, the material can be directly placed into the trough and firmly compacted by ramming—eliminating the need for pre-baking before use.