Technical Articles

Technical Articles

Visual inspection of refractory materials structure...
Visual inspection of refractory materials structure...
Each glass melting furnace is designed by the furnace designer according to the manufacturer‘s requirements according to the specified furnace period. After the furnace is put into production, the initial requirements may change due to factors such as produ...
2021-12-14 344
Application requirements of old fused bricks in col...
Application requirements of old fused bricks in col...
In recent years, in order to reduce the cost of refractory materials for glass melting furnaces, glass companies have used a large number of old fused bricks in the cold repair of the furnace. However, due to the lack of strict requirements during use, the c...
2021-12-10 374
High-quality matching and energy saving of refracto...
High-quality matching and energy saving of refracto...
The reasonable configuration of refractory materials in each part of the furnace refers to the selection of the most suitable refractory material according to the working environment and the damage mechanism of the refractory material in each part of the furn...
2021-12-09 371
Application of new refractory materials in weak lin...
Application of new refractory materials in weak lin...
The size, quality, and production effect of kilns are different due to the types of glass produced. Through the performance comparison and analysis of refractory materials, the use effect of refractory materials is studied. At present, refractory materials ...
2021-12-08 371
Research on Refractory Materials Used in Regene...
Research on Refractory Materials Used in Regene...
In the past 10 years, my country‘s refractory material industry has made great progress. The quality of some refractory materials has reached or approached the international advanced level. It has made an important contribution to prolonging the service li...
2021-12-07 374
What is the thermal conductivity of high alumina br...
What is the thermal conductivity of high alumina br...
Thermal conductivity is generally used in light-weight insulation bricks in China, and the thermal conductivity parameter is rarely seen in heavy products....
2021-12-03 375
Construction method of fused AZS or fused corund...
Construction method of fused AZS or fused corund...
The structure of the so-called all-oxygen glass melting furnace is similar to the unit kiln. It adopts the all-oxygen combustion technology. The mild kiln pressure is stable, which is conducive to the melting and clarification of the glass, and reduces the ...
2021-11-30 376
Study on properties of lightweight mullite combined...
Study on properties of lightweight mullite combined...
With the in-depth development of my country‘s economy and society, the contradiction of energy shortages has become increasingly prominent, and the high-temperature kiln industry urgently needs heat-insulating refractories with better energy-saving effects. ...
2021-11-29 375
The influence of additives on the properties of fir...
The influence of additives on the properties of fir...
As we all know, white fused corundum and sintered corundum are the main raw materials for the production of alumina bricks, especially high alumina bricks containing 90% A12O3. These two types of corundum have been widely used as raw materials in the past ...
2021-11-25 377
Theoretical discussion and process control of high ...
Theoretical discussion and process control of high ...
Due to the secondary mullite reaction in the firing process of high-alumina products, the product size is difficult to control and the product quality is unstable. This article discusses the theoretical mechanism of high-aluminum blast furnace brick firing e...
2021-11-24 379
Manufacturing of light-weight high-temperature ther...
Manufacturing of light-weight high-temperature ther...
Refractory thermal insulation materials are generally used in industrial furnaces, metallurgy, pipelines and thermal equipment to slow the loss of heat. At present, thermal insulation materials mainly include rock wool, glass wool, foam plastic, expanded per...
2021-11-22 380
A method for determining the content of main compon...
A method for determining the content of main compon...
At present, high-zircon bricks are mainly used in the construction of glass melting furnaces, and their quality affects the service life of glass melting furnaces. The main components of high-zircon bricks are zircon , silica and alumina. The chemical prope...
2021-11-17 384
Application of Lightweight Mullite Brick in Han...
Application of Lightweight Mullite Brick in Han...
The full-electric glass melting furnace basically has no pollution to the environment, and has important guidance and practical significance for the development of the glass industry and the reduction of environmental pollution. Now many glass factories have...
2021-11-09 391
Production technology of sillimanite brick and its ...
Production technology of sillimanite brick and its ...
Sillimanite is a natural high-grade refractory mineral. It has the characteristics of low thermal expansion, resistance to metallurgical slag and various glass liquids, and good high temperature wear resistance. Refractories based on natural sillimanite als...
2021-11-03 393
Exploration and Practice of Using Fused Silica ...
Exploration and Practice of Using Fused Silica ...
Since ordinary silica bricks need to be slowly heated according to the expansion law of the oven, the time requirement is very urgent in actual production. The temperature rises from tens of degrees to about 1000 ℃ in just a few hours, and the heating speed...
2021-10-28 396
The effect of steel slag basicity on the erosion ra...
The effect of steel slag basicity on the erosion ra...
The establishment of a safe use system centered on refractory materials has an important impact on the quality and cost of steel and the safe production of steel plants. Therefore, in the application research of refractory materials, many materials scientist...
2021-10-25 413
Manufacturing method of graphene silicon carbide br...
Manufacturing method of graphene silicon carbide br...
With the increasing shortage of energy, countries are paying more and more attention to the development, production and use of energy-saving materials for high-temperature industries. Because of its high softening temperature under load, good volume stabilit...
2021-10-21 432
The performance of homogeneous chrome-zircon corund...
The performance of homogeneous chrome-zircon corund...
The performance of chrome -zircon corundum bricks depends on the chemical composition and mineral phase composition. When the chemical composition is similar, the mineral phase composition is a crucial factor affecting the performance....
2021-10-19 435
Production of Zirconium-containing Alumina Bubbl...
Production of Zirconium-containing Alumina Bubbl...
Alumina bubble insulation brick is a new type of lightweight thermal insulation material. Since its application, it has quickly occupied the high-temperature kiln market with its excellent properties such as light weight, high temperature resistance, and goo...
2021-10-15 439
The effect of CaTiO3 addition on the properties ...
The effect of CaTiO3 addition on the properties ...
Sintered magnesia brick is one of the magnesia refractory materials with periclase as the main crystal phase. Because of its high refractoriness, good resistance to alkaline slag and iron slag such as CaO, FeO, etc., it is widely used in converters and e...
2021-10-13 437
Copyright © 2019 HENAN SNR REFRACTORY CO.,LTD All Rights Reserved.