The importance of refractory design effect for submerged arc furnace’s working performance

Refractory design remains the most fundamental factor in furnace construction. Refractory design details and proven technology consideration is of paramount importance to come up with an optimum furnace life and to maintain productivity in the life span of the furnace lining.

The failure to produce a technically or operationally durable refractory design lining could give rise to premature deterioration of the refractory furnace lining and furnace shell.

The premature failure of the refractory furnace lining will lead to extensive heat losses, furnace bath shift, change in taphole orientation and alteration of the pitch circle diameter. In this way, the pre-design of refractory furnace lining is very important, we must pay attention to every details, finding out the most suitable refractories for each part.

If you want to learn more about this, please contact us. Changxing refractory provides refractory products, calcium silicate products, castable & mortar, china refractory brick, ceramic fiber felt, ladle & tundish nozzle, ceramic fiber with high quality for you. Such as high alumina refractory bricks, magnesia carbon brick, clay refractory bricks and other refractory products.

Article Source: Intermediate Frequency Induction Furnace Lining Material
Company name: Henan Xinmi Changxing Refractory Materials Co.,Ltd
Email: sales1@chinafirebrick.com
Website:http://www.chinafirebrick.com/

The importance of refractory design effect for submerged arc furnace’s working performance

Refractory design remains the most fundamental factor in furnace construction. Refractory design details and proven technology consideration is of paramount importance to come up with an optimum furnace life and to maintain productivity in the life span of the furnace lining.

The failure to produce a technically or operationally durable refractory design lining could give rise to premature deterioration of the refractory furnace lining and furnace shell.

The premature failure of the refractory furnace lining will lead to extensive heat losses, furnace bath shift, change in taphole orientation and alteration of the pitch circle diameter. In this way, the pre-design of refractory furnace lining is very important, we must pay attention to every details, finding out the most suitable refractories for each part.

If you want to learn more about this, please contact us. Changxing refractory provides refractory products, calcium silicate products, castable & mortar, china refractory brick, ceramic fiber felt, ladle & tundish nozzle, ceramic fiber with high quality for you. Such as high alumina refractory bricks, magnesia carbon brick, clay refractory bricks and other refractory products.

Article Source: Intermediate Frequency Induction Furnace Lining Material
Company name: Henan Xinmi Changxing Refractory Materials Co.,Ltd
Email: sales1@chinafirebrick.com
Website:http://www.chinafirebrick.com/

High alumina brick and alkali brick

High alumina brick
High alumina brick has high compressive strength, high refractoriness under load and good thermal shock resistance. Because of its low cost with high quality, it is widely used in varieties of cement kilns. When to be used in arch crown, calcined alumina brick is better.

High alumina bricks suitable for cement kilns include phosphate bonded alumina brick, phosphate bonded high alumina wear-resistant brick, anti-stripping alumina brick, chemically bound (special) alumina brick and general alumina brick and so on.

Alkali Brick Series
Alkali brick has excellent alkali corrosion performance, under certain conditions, it will react with the alkali compound kiln materials and kiln gas, rapidly forming enclosed type dense protective enamel layer on the turn, preventing the continuing internal mixing and bricks "base crack ", which is a indispensable kiln lining material in NSP kiln. This series bricks include ordinary alkali-resistant brick, high-strength alkali-resistant brick, insulation alkali-resistant brick and arch type alkali-resistant brick.

Changxing refractory provides refractory products, calcium silicate products, castable & mortar, china refractory brick, ceramic fiber felt, ladle & tundish nozzle, ceramic fiber with high quality for you. Such as high alumina refractory bricks, magnesia carbon brick, clay refractory bricks and other refractory products.
Article Source:High alumina brick and alkali brick
Company name: Henan Xinmi Changxing Refractory Materials Co.,Ltd
Email: sales1@chinafirebrick.com
Website:http://www.chinafirebrick.com/

Precautions for medium frequency furnace charge

Firstly,Ultra-high-strength lightweight ramming mass should be mechanically stirred when mixing, and forced concrete mixing should be used. Mixers, upper hoppers, weighing containers, etc. should be cleaned. The mixing time and the amount of liquid to be added shall be strictly in accordance with the instructions for the construction of the medium-frequency furnace neutral refractory material in the medium-frequency furnace.

Second, the mechanical equipment should be installed firmly, and the distance between the mechanical equipment and the pouring place should be as short as possible. Mechanical equipment should be used after inspection and adjustment.

Thirdly, Ultra-high-strength lightweight ramming mass must be measured according to the mixing ratio. The scales, measuring cups and measuring cylinders used must be verified by calculation. The various appliances used in the various construction stages of the ramming mass must be in good condition and kept clean.

Changxing refractory provides refractory products, calcium silicate products, castable & mortar, china refractory brick, ceramic fiber felt, ladle & tundish nozzle, ceramic fiber with high quality for you. Such as high alumina refractory bricks, magnesia carbon brick, clay refractory bricks and other refractory products.
Article Source:Precautions for medium frequency furnace charge
Company name: Henan Xinmi Changxing Refractory Materials Co.,Ltd
Email: sales1@chinafirebrick.com
Website:http://www.chinafirebrick.com/

Performance advantages of corundum castables prefabricated parts

1) Advanced: The bottom of the ladle is lined with corundum spinel prefabricated bricks, which has a significantly improved performance compared with the traditional alumina magnesia carbon bricks, and solves the problem of low life of traditional alumina magnesia carbon bricks under LF refining conditions;

2) Comprehensive masonry realizes long life and economy of ladle: Since the refining of ladle is LF, it is necessary to ensure synchronization with the long life of the slag line. It also reduces the loss of refractory raw materials, taking into account the long life and economy of the ladle;

3) Small pollution to molten steel: The refractory material used is excellent in scour resistance and erosion resistance, and the amount of refractory material entering the molten steel per furnace is small, and the pollution to molten steel is small;

4) High construction flexibility and effective control of working time; high thermal intensity.

The corundum castable prefabricated parts are characterized by high-temperature strength, which is greatly improved compared with the previous precasts.
Changxing refractory provides refractory products, calcium silicate products, castable & mortar, china refractory brick, ceramic fiber felt, ladle & tundish nozzle, ceramic fiber with high quality for you. Such as high alumina refractory bricks, magnesia carbon brick, clay refractory bricks and other refractory products.

Article Source:Performance advantages of corundum castables prefabricated parts
Company name: Henan Xinmi Changxing Refractory Materials Co.,Ltd
Email: sales1@chinafirebrick.com
Website:http://www.chinafirebrick.com/

Effect of magnesia on refractory materials

Magnesia properties are divided into chemical and physical properties. The chemical properties of magnesia mainly refer to MgO as the main component. Periclase MgO is one of the common minerals in cement clinker, therefore, periclase has good corrosion resistance to cement clinker.

The physical properties of magnesia make refractory materials in cement rotary kiln often exhibit the following phenomena:
1. The Periclase MgO has a high melting point, so many magnesia refractories have quite high temperature resistance;
2.The magnesia has good thermal conductivity. When the high-MgO refractory raw material is used and the kiln skin is not attached, then the surface temperature of the kiln body rises. At this time, not only the heat loss is large, but also the kiln body is easily burned out;
3.The Periclase MgO has a high thermal expansion coefficient, which causes the insufficient thermal shock resistance of the magnesia refractory material. During use, the magnesia refractory material often peels off.

Changxing refractory provides refractory products, calcium silicate products, castable & mortar, china refractory brick, ceramic fiber felt, ladle & tundish nozzle, ceramic fiber with high quality for you. Such as high alumina refractory bricks, magnesia carbon brick, clay refractory bricks and other refractory products.

Article Source: Effect of magnesia on refractory materials
Company name: Henan Xinmi Changxing Refractory Materials Co.,Ltd
Email: sales1@chinafirebrick.com
Website:http://www.chinafirebrick.com/