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Refractory castables are the non-calcined, irregular refractory materials, accounting for 1/3 of the total output of refractory materials in foreign countries. Because the castables can solve some complex parts of the kiln lining problems. Composition of refractory castables Refractory castables consist of a mixture of granular and powdered materials and are available in a wide […]

In addition to price, the selection factors of refractory materials also need to consider the following factors: longer service life; better thermal insulation effect; simpler masonry method and faster masonry speed; fast maintenance speed, etc.Amorphous refractory materials, also known as bulk refractory materials, are composed of bulk particles and fine powders. They do not need

The development of induction furnaces is closely related to the progress of refractory technology. The design of large-scale industrial frequency crucible induction furnaces often starts with the selection of refractory materials and simulation tests of furnace linings. The increase in the capacity of groove induction furnaces, the expansion of the application range (from non-ferrous metal

With the development of the economy, my country’s scrap steel resources are gradually increasing. It is expected that by 2030, my country’s scrap steel resources will increase from the current 200 million tons to 300 million tons. Under the guidance of national energy conservation and consumption reduction, the reuse of scrap steel resources is particularly

Since the 21st century, with the enlargement of continuous casting equipment, the amount of steel passing through the shroud has gradually increased, from less than 1t/min to more than 7t/min at present. The increase in the amount of steel per unit time causes rapid erosion of the inner wall. Therefore, inner wall erosion has become

Step-by-Step Guide to Making Fire Bricks The manufacturing process of fire brick is similar to ordinary bricks. The usual steps are: 1.Digging2.Weathering3.Tempering4.Moulding5.Burning Fire bricks are produced from fire clay. The burnings are carried out in a superior type of kiln under carefully graduated temperature control. Processes of burning and cooling are kept rather slow.You can

1.Causes of corrosion of electric furnace lining during normal use During normal smelting, the furnace lining is in direct contact with high-temperature molten steel and slag, and the working conditions are very harsh. The reasons for furnace lining damage are: (1) Thermal spalling caused by arc radiation and chemical erosion at high temperatures. (2) The

Since the introduction of continuous casting technology in the 1950s, continuous casting functional refractories were also born. Accompanied by the progress of metallurgical technology, the expansion of steel, casting billet quality and service life extension, continuous casting functional refractories have also been developed significantly to improve the flow control, rectification and protection of the casting