Phosphoric acid hardly reacts with acidic oxides at room temperature and does not harden; therefore, it is not suitable as a binder for acidic refractories. Phosphoric acid reacts with amphoteric oxides (such as Al2O3) at room temperature to form a hard solid, and the reaction rate between them can be controlled, making it particularly suitable … Read more
With the advancement of ladle refining technology, melting temperatures and times have increased, making the operating environment of ladle refractories increasingly demanding. Corundum self-flowing castables are primarily used to fill gaps around air bricks and base bricks. During use, they are subject to mechanical erosion from molten steel tapping and argon-blowing stirring. Intermittent production also … Read more
Refractory materials are crucial for ensuring the safe operation of glass furnaces. The configuration and quality of refractory materials used in glass furnaces directly determine the quality of the glass and the lifespan of the furnace. The rapid development of the glass industry has promoted the development and technological advancement of refractory materials for glass … Read more
Basic refractories feature high refractory properties, high-temperature strength, and resistance to alkaline slag corrosion. They are used in industries such as chemicals, petroleum, silicates, machinery manufacturing, and power generation. They are particularly widely used as auxiliary materials in the metallurgical industry. Common basic refractories include magnesia bricks, magnesia-chrome refractories, periclase-spinel refractories, periclase-ferroalumina-spinel refractories, and dolomite. … Read more
In the configuration of high-temperature industrial furnace lining, not only castable integral furnace lining and refractory brick lining are needed, but also ceramic fiber cotton lining. They are used in different parts of the furnace lining according to the temperature conditions they can withstand. Rongsheng refractory material manufacturer has made a comparison between ceramic fiber … Read more
In order to solve the problem of slow hardening time of low-cement self-flowing castables in low-temperature environments such as winter, the effects of different types of accelerators on the setting time of low-cement self-flowing castables were studied. With the development of amorphous refractory castables, the proportion of castables used in heating furnace linings is increasing, … Read more
In steel rolling equipment, the heating furnace is a very important heating equipment. Plastic refractory for boiler. The quality of the heating furnace will have a great impact on the quantity and quality of steel rolling, and the refractory materials used in the heating furnace will largely affect the use of the heating furnace. Refractory … Read more
Burner, as the popular name of the combustion device on the industrial fuel furnace, can be understood as “fire nozzle”, and the burner brick is an indispensable and important part. The burner is generally equipped with a fuel inlet, an air inlet and an ejection hole, shouldering the important mission of distributing fuel and combustion … Read more
Under the erosion of flames and powder, the checker bricks in the regenerator are gradually melted into tumors, which blocks or even collapses the lattice body, reduces the heat storage capacity, and makes it difficult to discharge exhaust gas, affecting melting. At present, the regenerator checker bricks of large and medium-sized glass factories in China … Read more
The technical process of renovating the fire channel of a coke oven without removing the roof. The removal and reconstruction of the defect of one or more walls of one or more fire channels below the fire channel cover bricks is called fire channel digging and patching. Since the furnace head and fire channel partition … Read more
