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Basic principles of refractory installation

Refractory installation is a major concern at least as the right material selection. If the material does not spread equally or fill the gaps, a weak point will occur in the structure of the furnace and molten metal or heat will attack here first. To increase the lifetime of industrial furnaces, the size of the refractory bricks should be well calculated and connection points on inner walls must be completely isolated. Re...

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Refractory Ceramic Fiber

Refractory ceramic fiber (RCF) is one of the man-made vitreous fibers. They are manufactured for high temperature and thermal insulation. Refractory ceramic fibers are used mostly in glass, ceramic, petrochemical and automotive industries. They are also used line industrial furnaces and kilns.  Kaolin is the most commonly used material for refractory ceramic fiber production, a natural alumino-silicate clay. Alumina ...

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Refractory Ceramic

Fireclay bricks were the only material available that would withstand high heats, in excess of 2.000 F before 1930.  Insulating fire bricks are developed in the 1940’s and replaced fireclay bricks. Insulating fire bricks were much lighter and consisted of lower thermal conductivity.  In the 1960’s, ceramic fiber materials started to replace insulating fire bricks. The first examples of refractory cer...

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Refractory Companies

Archaeological excavations show that refractory materials are in use since BC 3.200. Using fire bricks for the construction of furnaces and ovens is a technique used even by the ancient Egyptians. The refractory industry has made its real progress during the 2nd World War. During this period, many new types of refractory materials started to use in different industries. The first example of a refractory company in Turkey ...

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Refractory Concrete

Refractory concrete is a special material capable of retaining its mechanical properties during prolonged exposure to high temperatures. Portland cement; slag portland cement, high-alumina, or periclase cement; water glass, and phosphate bonds are used as binders in the refractory concrete. As the filler, refractory rocks and chips of fired heat-resistant products are added to the mixture. There are 3 types of refractory ...

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Refractory Define

The simplest and most direct refractory define is that these are materials which can withstand high temperatures for a long time.  Refractory materials have many industrial uses. The most commonly known example is fire bricks. Industrial furnaces made with these bricks are used in different industries for many different purposes. However, refractory define is not limited to only fire bricks, of course. Overall, all n...

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Refractory Definition

Refractory definition is literally "reflective," which also shows the purpose of this material. Refractory is an expression used to describe the overall fire-resistant materials, which can withstand high temperatures (1000 F and higher) for a long time. They reflect the heat rather than absorbing and it is possible to reach high temperatures in a short time because of this attribute. Refractories can be manufactured from ...

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Refractory Fire Bricks

Refractory fire brick production is a matter varied according to the desired result. Refractory fire bricks are used for two purposes. The first of these is a high thermal resistance. In other words, the refractory fire bricks should not lose their thermal resistance even at extremely high temperatures. This type of refractory fire bricks is called “coarse/fine-grained” and conventional powder processing metho...

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Refractory Industry

The refractory industry is a fast-growing sector all over the world. The demand is driven by different types of industrial production, such as glass, metal, and other mineral-based products. The demand for high-quality refractories never ends and the profitability of individual companies depends on efficient operations. According to a research recently published, iron and steel production is responsible for up to 70% of t...

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Refractory Insulation

It is important that the energy provided by the heat must be contained inside the chamber(s) of industrial furnaces. This is because both heat accumulation and energy savings depend on this matter.  To ensure this, industrial furnaces are covered by some thermic insulation material, which is called refractory insulation. Without this insulation, the heat will escape through the layers between fire bricks and cool the...

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Refractory Work

The term refractory work refers to refractory work procedure. Refractories are a vital component of industrial manufacturing and following the correct refractory work procedures are of great importance for quality results. The right procedure will lead to a safe, low maintenance and cost-effective protection from the heat and offer a lifetime of 10 years for units and equipment. The wrong refractory work procedure, on the...

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Refractory Jobs

The refractory sector is an ideal choice for long-term career goals. Refractory jobs almost never get affected by economic conditions, a high-degree of expertise is always needed and you get the salary you deserve – merit is the most important matter of refractory jobs. Some examples of refractory jobs which you can pursue in the industry are as follows:-          Refra...

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Refractory Lining

Refractory lining is basically a protective layer installed inside the furnace to protect the steel structure from high temperatures. Refractory bricks or monolithic refractories can be used for refractory lining. This selection is determined by the indented heat levels of the furnace and/or the chemical structure of the material being processed inside. Refractory lining is one of the most important things to look for dur...

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Refractory Meaning

Refractory means inorganic, non-metallic and homogeneous materials which can withstand high temperatures. These are some of the materials used in refractory production: silicon oxide, aluminum, magnesium, calcium, and zirconium. Carbides, nitrides, borides and silicates also can be used to produce refractories. Refractory materials are often used in the construction of industrial furnaces. They are also used in containers...

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Refractory Mortar

Refractory mortar is also known as high heat refractory concrete. The main purpose of refractory mortar is to face the hot faces. The hot face is a term used to determine surfaces facing extreme amounts of heat. Internal walls of industrial furnaces are a good example to them. Refractory mortar will face the heat, the hot flames and corrosive gases with fire bricks. Therefore, the quality of the refractory mortar is very ...

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Refractory Products

Refractory products are divided into different categories according to their production method and physical form. These categories may be determined as follows:Refractory Products by Chemical StructureThis distinction is based on the chemical interaction of refractory products (for example, based on their response to the acidic materials). There are three basic distinctions:Acidic refractory materials : These refr...

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What Is a Refractory Coating?

It is possible to think the refractory coating as a protective paint, specially developed for the metal casting industry. The refractory coating can withstand the high temperatures of molten metal and act as a barrier between the heat and the surface of the furnace. The refractory coating is also known as foundry coating, protective paint, blackings, and washes. The refractory coating is in liquid form, consisting of mine...

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Refractory Brick

A refractory brick is a block of material used in the lining of the industrial furnaces, kilns, and fireplaces. “Fire brick” is the most commonly used term for refractory brick. It is a very dense ceramic material which can withstand excessive amounts of heat and corrosion. As can be guessed by the name, they are usually in the shape of a brick, but other types and shapes can be manufactured too. Fireclay is t...

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Refractory Cement

Refractory cement is a general term used for calcium aluminate cements. “High alumina cement” is also an alternative name for the refractory cement. It is used for specialized applications, such as refractory concretes and as a component in blended cement formulations. Refractory cements are the most important type of non-Portland cements, and they are about five times more expensive than the regular cement. T...

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Refractory Materials

International Standards Organization ASTM defines refractory materials as “non-metallic materials having those chemical and physical properties that make them applicable for structures, or as components of systems, that are exposed to environments above 1,000 °F”. In other words, the most remarkable feature of refractory materials is their resistance to high temperatures. They are also chemically inert and...

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Refractory Metals

Refractory metals are a group of metal elements that are extraordinarily resistant to heat and corrosion. They all have a high melting point and can resist against wear and deformation. The identifying feature of these metals are their high melting point, which is well above 4.000 F. Refractory metals are used in all industries which require corrosion resistance and high-temperature strength. Nuclear control rods, lubrica...

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Refractory

The term “refractory” defines a group of materials, which can withstand high temperatures. In general, non-metallic materials that are exposed to environments above 1.000 F are considered as refractory. Refractory materials have a wide range of uses, from rocket launch platforms to industrial furnaces. However, the steel industry is the biggest consumer and uses nearly %70 of all refractory materials produced ...

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