Technical Articles

$How to improve the quality of magnesia refractory b...$

How to improve the quality of magnesia refractory b...

The important way to improve the quality of refractory materials is to increase the purity of refractory bricks, reduce the number of low melting materials, and increase the density and high temperature intensity of refractory bricks. High -density magnesium...

$What are the ways to reduce the spalling of refract...$

What are the ways to reduce the spalling of refract...

The damage of refractories in high temperature furnaces or containers is mainly the comprehensive result of physical and chemical action of environment and erosion medium on refractories. Because of the use of different conditions, its damage causes are diff...

What are the common problems in the float glass ann...

What are the common problems in the float glass ann...

The purpose of glass annealing is to reduce and prevent excessive residual internal stress and optical inhomogeneity in glass products, and to stabilize the structure inside the glass. The annealing of glass can be divided into two main processes: one is th...

$What are the refractory materials for drying kilns?...$

What are the refractory materials for drying kilns?...

The drying kiln is actually a combustion chamber. The drying temperature is generally controlled between 300 and 600 °C. When building the kiln, the outer layer is made of red brick, and the inner layer is generally made of clay refractory bricks, clay re...

What are the applications of lightweight silica b...

What are the applications of lightweight silica b...

Lightweight silica brick is a very special material that actually only has the potential to be used in two industrial fields. In most cases, lightweight silica bricks and dense silica bricks are used as the lightweight part of the structural layer. Commonly...

$What are the advantages of lightweight refractory b...$

What are the advantages of lightweight refractory b...

1. Economy: It can reduce the cost of the foundation, reduce the cross-section of the frame, and save the reinforced concrete, which can significantly save the comprehensive cost of the building. The design and use of lightweight bricks can reduce the frequ...

What is the arch of glass kiln?...

What is the arch of glass kiln?...

The function of the glass kiln arch is to form a flame space with the breast wall and the front wall. At the same time, it can also be used as a medium for the flame to radiate heat to the material and the glass liquid, that is, absorb the heat released when...

Application of Lightweight Silica Bricks...

Application of Lightweight Silica Bricks...

Lightweight silica brick is a very special material that has practical potential in only two industrial fields. In most cases, lightweight silica bricks and dense silica bricks are used as the lightweight part of the structural layer. Commonly used is the l...

Energy saving way of glass melting furnace...

Energy saving way of glass melting furnace...

The energy consumption of glass melting furnaces accounts for more than 70% of the total energy consumption of glass plants. In the past ten years, many energy-saving measures have been taken, involving glass frit formulation, heating system, combustion syst...

$What are the using principles of refractory materia...$

What are the using principles of refractory materia...

In the glass tank kiln, the refractory material is in direct contact with the molten glass, batch materials and their volatiles (mainly: alkali metal oxides, namely alkali vapor, borides, fluorides, chlorides, sulfur compounds, etc.), so they are corroded In...

Production of Light Corundum Bricks by Additive...

Production of Light Corundum Bricks by Additive...

Lightweight corundum refractory bricks generally use polystyrene expanded beads as ember additives. The lightweight corundum bricks produced with polystyrene expanded beads are made by mixing polystyrene expanded beads into the corundum mud material in a cer...

Production of Lightweight Corundum Brick by Foa...

Production of Lightweight Corundum Brick by Foa...

The production of lightweight corundum bricks by foam method is to mix foaming agent, stabilizer and water in a certain proportion, first make foam liquid, and then mix with alumina slurry, pour molding, curing, drying, baking and firing. , Made of light cor...

Zircon brick for glass kiln...

Zircon brick for glass kiln...

Pure zircon refractory bricks are refractory bricks with zircon as the main crystal phase, referred to as zircon refractory bricks, and are one of the important varieties of zircon-containing refractory materials....

Insulation of various parts of glass melting furnac...

Insulation of various parts of glass melting furnac...

The thermal insulation part is based on the principle of "guaranteed as soon as possible" to expand the thermal insulation surface as much as possible....

$What is the knowledge of waste refractory recycling...$

What is the knowledge of waste refractory recycling...

Refractory materials are used in thermal furnaces and will be removed when they reach a certain service life. In the process of use, the high-temperature substances in the furnace are in contact with the furnace lining for a long time, and they have chemical...

What are the precautions for building lattice brick...

What are the precautions for building lattice brick...

1. Before building a brick lattice, the grate and pillars must be checked. The flatness error of the upper surface of the grate shall not exceed 5mm when inspected by the pulling method. The error between the center line of the grid hole of the grate and th...

$What refractory materials are used in each part of ...$

What refractory materials are used in each part of ...

The pool bottom bricks are made of large clay bricks, arranged with vertical and horizontal joints, and the thickness is generally 300mm. One expansion joint is set at intervals of about 4m in the kiln length direction, and the joints can also be distributed...

$How to improve the quality of magnesia refractory b...$

How to improve the quality of magnesia refractory b...

An important way to improve the quality of refractory materials is to improve the purity of refractory bricks, reduce the number of low-melt substances, and increase the density and high-temperature strength of refractory bricks. High-density magnesia refrac...

How to use the foam method to produce lightweight r...

How to use the foam method to produce lightweight r...

Clay, siliceous, high alumina, corundum and other heat-insulating refractory bricks can be produced by the foam method. Among them, high-alumina and corundum heat-insulating refractory bricks are mostly produced by this method, which are briefly described as...

Classification and characteristics of fused cast re...

Classification and characteristics of fused cast re...

Fused cast refractory materials refer to materials made by melting, crystallization, annealing and cold working of raw material batches. Since the energy used in the melting of batches is mainly electric energy (resistance heat, arc heat and high frequency e...

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