Refractory plays an indispensable role in modern industrial production, and calcined flint clay, as a high-quality refractory raw material, is favored by the market because of its excellent performance and wide application fields. This paper will introduce the characteristics, production technology, Read More
The material selection of sprue cup is very important for its performance and service life. The following are several common sprue cup materials and their characteristics:I. Ceramic materialsCeramic material is one of the most commonly used materials for sprue cups Read More
The design of sprue cup has an extremely important influence on the quality of castings, which is embodied in the following aspects:I. Shape and size of sprue cupBuffering and flow rate control: the pouring cup is usually funnel-shaped, which can effectively buffer the flow rate of molten metal and Read More
In the field of precision casting, although the sprue cup is a relatively small component, its importance can not be underestimated. It is not only the "gateway" for liquid metal to enter the mold, but also the cornerstone to ensure the smooth casting process and the quality of the casting. Read More
In modern industrial production, the wide application of high-temperature furnaces puts forward extremely high requirements for refractories. Mullite thermal insulation brick, as a kind of high-performance thermal insulation refractory, has gradually become the first choice material in many high-tem Read More
The manufacturing process of mullite thermal insulation brick mainly includes the following key steps:I. Preparation of raw materialsThe main raw materials of mullite thermal insulation brick include:Clay.Calcined alumina (Al₂O₃ content ≥99%, particle size 0.043~0.1mm). Read More
Mullite thermal insulation bricks are widely used in iron and steel industry, mainly in the following aspects:I. Blast furnaceMullite insulation brick can be used in the shaft and bottom of blast furnace. Its excellent slag resistance and high temperature performance can effectively resist the erosi Read More
The fire resistance temperature of mullite thermal insulation brick is different due to specific composition, production technology and service conditions. Read More
Lightweight insulating brick is widely used in many fields because of its excellent thermal insulation performance, low density, high strength and good high temperature resistance. Read More
In modern industrial production, high-temperature furnaces are indispensable equipment in many industries. However, how to improve the energy utilization efficiency, reduce energy consumption and prolong the service life of furnaces has always been a difficult problem for enterprises. Read More
During the construction of light insulating brick, the following key points should be paid attention to to to ensure the construction quality, waterproof performance and service life:I. Construction preparationCleaning of the construction site: ensure that the construction site is clean and tidy, Read More
The application of lightweight insulating brick in building external wall thermal insulation has remarkable energy-saving effect and construction convenience. Read More