Blog Posts - Refractory Material



How to distinguish the quality of the refractory brick

In general, according to the contents of various chemical compositions and their functions, it is divided into three categories, which are the main components, impurities, and the added ingredients. The main component of the refractory brick is the m...

High temperature compressive strength of refractory

The high temperature compressive strength of refractory materials is the maximum pressure that can be under at high temperature of 1000~2000, which is expressed by N/mm2. The compressive strength of refractory materials is obviously changed with the...

Introduction and usage range of refractory clay

Also called fireclay refractory mud or joint material. Supplementary materials for masonry of refractory products. According to the material can be divided into clay, high alumina, and silica and magnesia refractory mud. Made of refractory powder, bi...

Analysis of the optimization and upgrading of the refractory industry in the present economic situation

Refractory material is a kind of inorganic nonmetallic materials with no less than 1580, but only the degree of fire resistance can be defined as a comprehensive description of the refractory, and 1580 is not absolute. Is now defined as the physical...

How to evaluate the density of refractory brick

With the continuous development of China’s cement industry; higher requirements for fire resistant materials are also put forward. Long term dependence on the extensive economic growth mode of the refractory industry, should be increased to adj...

How to choose the different parts of the refractory lining of blast furnace

In the process of production and in the selection of various parts of the refractory lining, should follow the principle is: the refractory lining to correspond to the parts of the heat flow intensity, to keep under the impact of strong heat and lini...

Brief introduction of refractories for blast furnace iron making

Blast furnace is the drum into the air the coke burning and reduction shaft furnace of ore smelting, is in high temperature and reducing atmosphere continuous iron making thermal equipment. In the last 20 years, the development of the global iron mak...

Production process of high alumina brick

It is well known that high alumina brick is one of the most widely used refractory materials, and high alumina bricks and clay bricks are the same as the basic same method. The process of crushing, mixing, molding, drying, sintering, and testing, pac...

Requirements of refractory materials for blast furnace lining repair

Furnace lining maintenance method generally speaking, there are grouting lining, cold spray technology, furnace shell hole opening technology and remote control technology. Grouting lining technology can be widely used for the focus of a short-term f...

How to control the volume stability of refractory materials

Because of the non setting refractory material is used in the field of baking and burning, will appear dry shrinkage and firing shrinkage. It is necessary to consider the measures to compensate the shrinkage in the design of composition, that is, the...

Recovery and utilization of flue gas and heat in the production of refractory materials

Because of the kiln body structure and the thermal process of different, the intermittent kiln is more than 5 times higher than the flue gas produced by the tunnel kiln. In general, the higher the gas temperature, the greater the proportion of heat l...

Advantages of light refractory brick

Light brick is generally refers to the foam bricks, the normal indoor partitions are used this brick, will not increase the floor load, while the sound insulation effect is good! Strength of products selected high-quality tabular corundum, mullite as...

Detailed requirements and working conditions of ladle refractories

Ladle is the necessary equipment to carry out the molten steel, continuous casting. Due to the many kinds of steel in the ladle refining process, including argon blowing temperature, alloy composition adjustment, injection refining and vacuum process...

New building materials-Basic refractory

Alkaline refractory materials mainly refers to the oxidation of magnesium, calcium oxide as the main component of the refractory, the alkaline slag has a strong anti – erosion ability. Including magnesia brick, magnesia brick, magnesia chrome b...

Damage reason of refractory

According to the specific conditions of various furnaces and thermal equipment, proper selection and application of refractory material is very necessary. It is to improve the service life of the kiln and thermo technical equipment, reduce maintenanc...

Insulation materials used in power plant

Thermal insulation refractory material in the electric power industry especially thermal power plants, such as coal-fired power plants occupies an important position. It has energy saving, reduce heat loss, to meet the requirements of the power plant...

Easy damaged part and common refractory for steelmaking electric arc furnace

The current commonly used arc furnace, furnace wall and bottom furnace, the hot spot is the weak link of electric arc furnace. Reasons for damage of the refractory at the top of the one is splashes, furnace dust erosion; second is due to the high aro...

Refractories for heat exchange furnaces

The heat exchanger is an important part of the center of bottom burner furnace, four corners burner soaking pit and one sided upper burner soaking pit for the preheating of the air or gas. The first two stove of heat exchanger is arranged in the stov...

Refractory for ordinary boilers

Ordinary boiler boiler tube system, combustion chamber, flue and dust collector and other parts, the work is not high, mainly for industrial and civil heating and other departments. There are many types of boilers, the number of large, commonly used...

Production technology introduction of high alumina brick

High alumina brick and clay brick of the same way of molding production. The process of crushing, mixing, molding, drying, sintering, and testing, packaging, etc.. Production practice proved that the high Al clinker in front of the broken strictly ch...


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