Technical Articles

What are the reasons for black hearts and cracks in...

What are the reasons for black hearts and cracks in...

Refractory brick manufacturers will have various problems in the production of high-alumina bricks. Today, I will introduce the relevant content of black hearts and cracks in the production of high-alumina refractory bricks....

What are the characteristics of commonly used refra...

What are the characteristics of commonly used refra...

Silica bricks are used more in glass melting furnaces, and the main component is silicon dioxide (SiO2). Silica bricks used in glass melting furnaces require a SiO2 content of more than 94%, a maximum operating temperature of about 1600~1650℃, and a den...

How to quickly identify the quality of high alumina...

How to quickly identify the quality of high alumina...

An excellent buyer or salesman can identify the good and bad of high-alumina refractory bricks only with more than ten years of "experience". So how exactly do they do it? In this issue, Zhengzhou Shennan Refractory Co., Ltd. will use practical experie...

$How to choose refractory bricks for glass melting f...$

How to choose refractory bricks for glass melting f...

The glass melting furnace is composed of different parts. When selecting refractory bricks for the glass furnace, we comprehensively consider the high temperature performance, chemical stability, thermal stability, volume stability and mechanical strength of...

$What are refractory bricks?...$

What are refractory bricks?...

This article will introduce you different types of refractory fire bricks and application of refractory bricks

$Top 10 most commonly used refractory materials for ...$

Top 10 most commonly used refractory materials for ...

High-quality refractory materials are not only consumable materials for modern high-temperature technologies, but also functional materials necessary for the realization of new high-temperature technologies. As a professional manufacturer of refractory mater...

$What’s the reason for the refractory brick falling...$

What’s the reason for the refractory brick falling...

Many cement companies have encountered the problem of newly-built refractory bricks falling during kiln drying: using professional maintenance teams, special tools, and high-quality refractory materials, but the newly-built refractory bricks are heating up ne...

Research on new technology of iron and steel smelti...

Research on new technology of iron and steel smelti...

Since the 1950s, steel has been one of the indispensable and important basic materials in China‘s economic construction and national economic development. The quantity of steel and the technology of steel smelting can always represent and show a country‘s...

$Development of refractory materials for cement kiln...$

Development of refractory materials for cement kiln...

Based on the consideration of environmental protection, in order to create chromium-free green refractory materials, through the active exploration and research of domestic manufacturers, the development process of chromium-free cement kiln refractories has b...

Experiences in reducing the investment of glass fur...

Experiences in reducing the investment of glass fur...

After the glass furnace is shut down and removed, a large amount of waste refractories will be produced. Disposal of it as garbage will not only pollute the environment, but also cost it very high. The rational reuse of refractory materials has always been ...

$Visual inspection of refractory materials structure...$

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...

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...

$High-quality matching and energy saving of refracto...$

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...

$Application of new refractory materials in weak lin...$

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 ...

$Research on Refractory Materials Used in Regene...$

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...

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....

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 ...

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. ...

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 ...

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...

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