Blog Posts - Hollow Zirconia Sphere Bricks



Technical Innovation of Carbon Brick for Blast Furnace Hearths

Possessing with the excellent corrosion resistance and high thermal conductivity which can lead to easily form a protective layer for blast furnace hearth, carbon bricks have been used as refractory material for hearths for more than half century. To...

The Best Refractories for Induction Furnace — 25+ Heats Silica Ramming Mass

In recent years, silica ramming mass is widely used in induction furnace. Compared with traditional refractory lining material, this product is of lower cost, shorter sintering time and better working condition. To offer clients better refractory pro...

Air permeability of refractory

Air permeability is the performance of the material under the pressure difference to allow the gas to pass. Because gas is through the material through the hole through, the permeability and the size, quantity, structure and state of the hole, and wi...

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...

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...

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...

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...

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...

Definition and application of refractory ball

Refractory ceramic balls refractory ball in alumina industry and refractory kaolin as the main raw material, scientific formula, made of forming and high temperature firing, it has 1 high mechanical strength, long life cycle; 2. Good chemical stabili...

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...

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...

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...

The selection of castable should focus on products cost-effective

Now with some heating furnace and increase the number of metallurgical equipment, people need to use in the production process to Tianjin castable such products, which mainly showed granular or powder, widely used in these devices, its mobility is ve...

New type refractory -magnesia calcium brick

Magnesia calcium brick also called high calcium magnesium brick. In order to periclase as main crystal phase, silicate calcium for three secondary crystalline phase of magnesia refractories. Containing MgO80% ~ 87%, CaO6% ~ 9%, CaO/SiO2 than in 2.2 ~...

New type refractory -magnesia calcium brick

Magnesia calcium brick also called high calcium magnesium brick. In order to periclase as main crystal phase, silicate calcium for three secondary crystalline phase of magnesia refractories. Containing MgO80% ~ 87%, CaO6% ~ 9%, CaO/SiO2 than in 2.2 ~...

Analysis of thermal radiation ability of refractory brick

At the same temperature, the ratio of heat energy and blackbody radiation surface of refractory brick of the radiation. Also cal. Also called the blackness, rate of thermal radiation, the radiation rate, radiation coefficient, and relative radiation...

Analysis of thermal radiation ability of refractory brick

At the same temperature, the ratio of heat energy and blackbody radiation surface of refractory brick of the radiation. Also cal. Also called the blackness, rate of thermal radiation, the radiation rate, radiation coefficient, and relative radiation...


Trending Topics

Close