Technical Articles

Technical Articles

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...
2022-09-01 235
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...
2022-08-30 234
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...
2022-08-29 235
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...
2022-08-26 236
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...
2022-08-25 237
What are the classification and main characteristic...
What are the classification and main characteristic...
In industry, siliceous rocks are usually called silica, and can be classified into vein quartz, quartzite, quartz sandstone and chert according to the type of rock or cause of formation. The main component of silica is SiO2, and the others are impurity com...
2022-08-24 239
What is the masonry method of thermal insulation re...
What is the masonry method of thermal insulation re...
When the masonry mud is made of finished refractory mud or diatomite powder combined with clay mud, mechanical stirring should be used as much as possible, and the stirring time should not be less than 5 minutes. The mud consistency is controlled by adding w...
2022-08-23 240
What are the differences between zirconium corundum...
What are the differences between zirconium corundum...
Zirconium corundum brick is a refractory brick made of industrial alumina and zircon sand. According to the manufacturing process, zirconium corundum bricks can be divided into two types: fused zirconium corundum bricks and fired zirconium corundum bricks....
2022-08-22 241
What are the measures to prevent glass defects？...
What are the measures to prevent glass defects？...
It can be known from the types and causes of various glass defects that in order to prevent various defects, effective measures must be taken in various aspects such as glass composition, batch preparation, melting system, selection of glass furnace refractor...
2022-08-16 242
What are checker bricks?
What are checker bricks?
The regenerator is the main body of the hot blast stove for heat exchange, and it is made of checkered bricks. The surface of the refractory brick is the heating surface of the regenerator, and the checker brick is the medium for storing heat. The character...
2022-08-15 244
Analysis of Damage Causes of Clay Bricks for G...
Analysis of Damage Causes of Clay Bricks for G...
When the clay brick for glass kiln is in contact with the molten glass at high temperature, the surface of the brick body is initially infiltrated by molten glass. After that, due to the action of the capillary, the molten glass is sucked into the pores of t...
2022-08-11 244
What is the production process of magnesia brick?...
What is the production process of magnesia brick?...
The production process of magnesia bricks is the basis for the production of magnesia refractories and even basic refractories. The production process of high-purity magnesia bricks and direct-bonded magnesia-chrome bricks is similar, but the parameters such...
2022-08-10 247
Properties and use of mullite refractory bricks...
Properties and use of mullite refractory bricks...
The refractory bricks made of sintered or fused mullite as the main raw material can be all mullite, partly mullite and partly corundum. The former is called mullite refractory brick, and the latter is called corundum-mullite refractory brick or corundum mul...
2022-08-09 247
Which kilns are magnesia refractory bricks used in?...
Which kilns are magnesia refractory bricks used in?...
China is a country rich in magnesite resources, and the ore is well-known for its excellent quality. The vast coastline and salt lakes also have bright prospects for extracting magnesium oxide. Therefore, it provides unique conditions for the development of...
2022-08-08 248
Types and uses of alkaline refractory bricks...
Types and uses of alkaline refractory bricks...
4. Magnesia brick ①Refractoriness and softening point under load are all high, but high temperature mechanical strength is low; ②It is strongly alkaline, and has considerable corrosion resistance to alkaline slag; ③Poor thermal stability and weak resist...
2022-08-05 248
What is high siliceous clay brick?...
What is high siliceous clay brick?...
The main raw materials of high siliceous clay bricks are barren clay (calcined hard clay, kaolin or pyrophyllite) and natural quartz sand. The content of SiO2 in the prepared material is more than 65%, and the content of Al2O3+TiO2 is more than 30%. A...
2022-08-03 251
What is creep of refractory materials?...
What is creep of refractory materials?...
Refractory materials, especially at high temperatures, will undergo plastic deformation under a certain stress lower than their ultimate strength, and the amount of deformation increases with the extension of the load time, and even leads to material damage. ...
2022-07-29 251
Selection of refractory materials for all-oxygen gl...
Selection of refractory materials for all-oxygen gl...
According to the requirements of the furnace design for the synchronous loss of refractory bricks, the corrosion damage of each part of the furnace should be basically similar at the end of the kiln period to achieve economical and reasonable results. The la...
2022-07-28 253
What are the standards for refractory materials for...
What are the standards for refractory materials for...
With the continuous development of new refractory materials, the quality of refractory materials has been continuously improved, which has enabled the glass industry to achieve excellent results in high-temperature enhanced melting technology....
2022-07-27 251
What is high alumina brick? What is the grade stan...
What is high alumina brick? What is the grade stan...
High-alumina brick is a kind of shaped refractory material in refractory brick products. It is made of refractory clay or other refractory raw materials. It belongs to silicon-alumina series products. Clay bricks, magnesia bricks, corundum bricks, mullite ...
2022-07-26 255
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