Описание

What is magnesia chrome brick

Magnesia chrome brick is refractory products made of magnesia and chromium oxide as the main components, periclase and spinel as the main minerals. Magnesia chrome bricks have high high-temperature strength, strong slag resistance and excellent thermal stability. They are mainly used for Metallurgical Industry.

Other magnesia-containing refractory bricks

• Магнезиальный углеродистый кирпич
• Кирпич из магнезиально-глиноземной шпинели
• Магнезиальный кирпич

Магнезиальный хромированный кирпич

Технический параметр

Из Википедии：Periclase、Рефрактерный

Magnesia chrome brick performance characteristics

• огнеупорность：Magnesia-chrome bricks have high refractoriness and can withstand extremely high temperatures.
• High temperature strength：It has good high temperature strength to ensure structural integrity in high temperature environments.
• Alkaline slag corrosion resistance：Strong resistance to alkaline slag corrosion enables it to perform well in environments containing alkaline substances.
• Термическая устойчивость к ударам：Excellent thermal shock stability, able to remain stable under rapid temperature changes.

Magnesia Chrome Bricks Production Process

1. Raw Material Preparation: Select appropriate chrome ore and magnesia as the main raw materials. Chrome ore usually includes Xinjiang chrome ore, South African chrome concentrate and Indian chrome ore, while magnesia is obtained by light burning of magnesia and further processing.
2. Mixing and molding: Mix the prepared chrome ore and magnesia in a certain proportion, and then make bricks through high temperature and high pressure molding process.
3. Увольнение: Put the formed bricks into the kiln for firing. During the firing process, control the temperature and time to ensure that the bricks react fully and form the required crystal structure.
4. Cooling and inspection: After firing, the bricks are cooled to room temperature and quality inspection is carried out, including indicators such as size, плотность, and strength.

Comparison of properties of different types of magnesia chrome bricks

The performance of magnesia-chrome bricks prepared by different production processes is different.

1. Кирпичи магнезиально-хромовые с прямой связкой: good thermal shock stability
2. Electro-melted rebonded magnesia-chrome bricks: strong corrosion resistance
3. Semi-rebonded magnesia-chrome bricks: performance between the first two

What are the main applications of magnesia chrome bricks?

• Metallurgical industry: open-hearth furnace top, electric furnace top, external refining furnace, non-ferrous metal smelting furnace
• Цементная промышленность: rotary kiln firing zone
• Стекольная промышленность: regenerator

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