When it comes to high-temperature industrial environments, choosing high-quality refractory materials is critical. Kerui has always been committed to providing excellent refractory products to meet the needs of its customers. So Ulanqab Customer chooses first-level high alumina bricks, second-l…
In the morning of July 12, many employees were orderly debugging the equipment under the leadership of the commercial director Yan. Today is the day that Russian customers open remote video inspection work. In May 2022, KRNC received the first order from the Russian customer. Now the first batch of …
Magnesia-alumina spinel sand. Magnesium-aluminum spinel chemical formula MgAl2O4 or MgO-Al2O3, theoretical content ω(MgO) = 28.3%, ω(Al2O3) = 71.7%. Natural magnesia-alumina spinel is rarely found, and all of the industrial applications are synthetic products. Magnesia alumina spinel has good resist…
1. Hot blast furnace lining structure distribution. (1) Vault using vertical hanging chain line structure. Vault and hot blast furnace wall lining is not connected, the whole is supported by the inner wall of the furnace shell support metal bracket layered bracket. Sliding joints are provided betwee…
As the main component of the indefinite refractory, the amount of refractory aggregate is generally 60%-73%, and the amount of refractory powder is 15-40%, both of which have a significant impact on the performance of the indefinite refractory. So what are the commonly used raw materials for refract…
Unshaped refractories are a mixture of refractory aggregates and powders, binding agents or other admixtures in a certain ratio. It can be used directly or with appropriate liquid blending. This is a new type of refractory material without firing, its refractoriness is not less than 1580 ℃. There ar…
1. Masonry process of fire escape wall bricks. (1) Construction preparation: 1) The quantity and quality of refractory materials should be checked in strict accordance with the design requirements before entering. After entering the site, use the crane to lift to the construction area in batches. 2)…
A blast furnace is an iron-making facility. Iron ore and coke are mixed into the blast furnace from the top of the furnace in proportion. At the lower air outlet, high temperature blast air (1000~1200℃) enters the blast furnace, and the redox reaction takes place inside the blast furnace to produce …
Many places in China are deeply affected by the epidemic, and all industries are facing the risk of survival difficulties after resuming work and production. In such a severe environment, our company calmly deals with all kinds of challenges and actively responds to the “Belt and Road” i…
