Blog Posts - Magnesia Brick



How to avoid the problem of the use of refractory brick in the gasifier

Refractory brick in the running process of the gasifier has also occurred in oxygen load fluctuation and sometimes oxygen control valves will be caused by the variation in oxygen load, sometimes large particles will suddenly stuck valve of high-press...

Material used for magnesium alumina refractory

Materials — magnesia, high alumina clinker and zircon sand were used Meilv refractory clinker. In the calcined materials, is now the end of their physical and chemical changes, magnesia alumina refractory ball during sintering and Al2O3 in magn...

The reason for surface cracks of refractory bricks after used a period of time

Although the fire brick is good, the structure is relatively stable, but the  refractory  brick used for a period of time, some customers reflect the surface of the refractory brick cracks, which is what causes it? After many years of research and...

Physical properties of refractory

What are the physical properties of refractory materials? 1,Physical properties of refractory materials include structural properties, thermal properties, mechanical properties, performance and operating performance. 2, The thermal properties of refr...

The modulation principle of mud when using refractory bricks

Modulation for bricklaying refractory mortar shall comply with the following principles: (1) before bricklaying to deal with all kinds of refractory mud of pre experiment and pre laying and determine the different mud bonding time, initial setting ti...

Refractory material in steel making system

The steelmaking system includes a converter, electric furnace, furnace, ladle, ladle and tundish. Ladle and tundish is an important auxiliary equipment of the steel making furnace, and also the most important equipment for the use of refractory mater...

High alumina refractory brick for hot blast furnace

Hot air furnace is insulation and withstand high temperature load, so to determine the various parts of the furnace lining refractory brick material and thickness of, should according to the requirements of masonry bearing temperature, load and heat...

Refractory materials for aluminium melting furnace

The main equipment for thermal melting aluminum has calcinations sintering furnace, melting furnace and electrolytic cell. The rotary kiln firing with a lining of high aluminum brick masonry are commonly used, other parts available clay brick as a li...

Properties of clay refractory

(1) Fire resistance. The low degree of fire resistance of clay refractory products is lower, and the increase of three aluminum oxide content in clay brick is improved… Generally 1580 for ~1750; (2) Load softening temperature. Fireclay refracto...

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...

Acceptance of clay refractory brick

Acceptance of fireclay brick works, to carefully check the flue; furnace stare in the firebrick, particular attention should be paid to the vault, single arch, the bottom of the device. The next small series will give you a detailed introduction: 1,...

Brick size selection guide

There are a lot of people in the furnace construction and repair, for the use of what kind of refractory brick is a fog, the reason is very simple is because there are too many types of refractory brick, if is the standard types of refractory brick i...

The difference between the spinel brick and silicon mullite brick

This is the two kinds of products: silicon refractory mullite brick, mullite bricks should be. The main component is aluminum and silicon, crystalline mullite to A3S2 (3AL2O3.2SIO2). The main ingredient is magnesium spinel or spinel, namely MGO and A...

Clay brick appear “black” or “red” reasons

Clay brick firing, sometimes a “black” or “red” waste. The reason there is no consensus clear. That is due to lack of oxidizing atmosphere, and firing caused by excessive. Brick kiln firing process, if the lack of organic matt...

New type refractory coatings improve furnace life 3 times

High temperature furnace refractory castable, including insulating brick, metal, ceramic, refractory fiber, quartz sand, silicon carbide, quartz glass. High temperature furnace refractory material in high temperature, high temperature resistance, oxi...

Correct using method make refractories have anti damage ability

Supporting the development of refractories for the clinker rotary kiln each work with the different mining conditions, targeted to different anti damage of refractory materials, and considering the basic matching problem with various working lining l...

Requirement for fireclay bricks acceptance

Acceptance of fireclay bricks masonry of refractory brick works, to carefully check the flue gas in the furnace at, in, particular attention should be paid to the single arch, vault, and the bottom of the equipment. Then I will give you detailed int...

Main factors affecting the service life of the refractory bricks

According to the long-term use of refractory bricks and refractory brick life mainly includes the influence of the specific use of the environment, the operating temperature of refractory brick kiln, the use of the number of fly ash erosion. The prin...

Furnace refractories and kiln car refractory

Furnace refractories  including and kiln wall top, generally divided into three layers, the inner layer is a light cotton insulation, felt, plate, the middle layer is heavy or light insulating brick, outer with red brick or low temperature heat pres...

Furnace refractories and kiln car refractory

Furnace refractories  including and kiln wall top, generally divided into three layers, the inner layer is a light cotton insulation, felt, plate, the middle layer is heavy or light insulating brick, outer with red brick or low temperature heat pres...


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