Cement production technology has gone through many times of change, as the calciner of clinker , from the soil vertical kiln with intermittent working method to predecomposition kiln. The new type dry-process kiln process with the core of cyclone preheater ...
Chrome-free Refractory Material Used In Rotary Cement Kiln
Magnesia chrome brick used in rotary cement kiln will produce 6+ Cr ion when corroded by high temperature reaction, especially at the kiln outlet, where has high oxygen content. Cr 6+ has...
How to Prolong Rotary Cement Kiln Coating Life ? Rotary cement kiln is built by refractory materials such as magnesia chrome bricks, magnesia spinel bricks, dolomite bricks, silica mullite bricks, abrasion resistant castable, kilneye castable and...
Different types and specifications of cement rotary kilns and different process crafts have different demands on refractory materials. So choosing the suitable refractory products can realize the long service life and low heat radiation of the who...
According to the working environment of kiln( temperature, atmosphere, raw material component, condition and fuel) and damage reasons of refractory material, the fire brick used in glass kiln should be selected and made corresponding refractory material....
This article is mainly introduce the refractory material used in different parts of glass kiln, it will help you know the solutions of glass furnace refractory material. There many types of glass furnace, such as sheet-glass tank furnace, horizontal...
Glass furnace is one of three major thermal equipment of the float glass production, there are 30% heat entered the glass furnace is consumed with the heat dissipation of kiln body, which not only cause the energy waste, and worsen the production operation...
High alumina fire brick is a kind of widely used refractory brick, which is playing an important role in industrial kiln. High alumina refractory bricks as the industrial kiln lining can resist to the chemical erosion and mechanical erosion., today we...
Mullite is a kind of excellent refractory material with the characteristics of good thermal shock stability, high refractoriness under load, high temperature creep value is small, big hardness , good resistance to chemical attack. Now there are mainly...
Lightweight mullite brick and high alumina bricks are belongs to lightweight refractory brick, and both are of common lightweight refractory brick, so what’s the difference between the lightweight mullite brick and lightweight high alumina bricks? T...
Lightweight mullite brick and lightweight high alumina bricks are both belongs to lightweight refractory bricks, and what’s the difference between the lightweight mullite bricks and alumina insulating bricks? The following are the several aspects: ...
Five Properties of High Alumina Refractory Bricks
Compared to fireclay brick, high alumina bricks have the advantages of high refractoriness, high refractoriness under load, the slag resistance will be improved with the increase of Al203 content. Specifically,...
Do you know High Alumina Bricks?
High alumina refractory brick is one of the most common refractory bricks in refractory brick, it can be widely used in many fields, owing to its properties of high refractoriness under load, fire resistance and slag...
High Alumina Bricks Porperties
1. One of the important working properties of high alumina refractory brick is the structure strength at high temperature. This characteristic is usually evaluated by the deformation temperature of refractoriness. In recent...
Refractory bricks are used widely, from low temperature to high temperature, and every range will refer to fire brick, is the necessary material for building the lining of the industrial kiln. The basic function of refractory brick is to build kiln lining...
Rongsheng as the refractory brick manufacturer, it is the basic integrity to provide qualified refractory brick. But as the purchaser, it’s necessary for them to check the refractory quality. How to judge if the refractory bricks are qualified? There ar...
Lightweight refractory brick means that the refractory brick density less than 1.3x103kg/m3, owing to the characteristics of small density, high porosity, small thermal conductivity, good heat insulation performance and certain compression strength,...
Owing to the corundum bricks have the characteristics of good stability, strong slag-resistance, large application, so it can be used as lining of many industrial kilns. Corundum bricks have good properties but with high price. So there are matters...
What should notice when choosing high alumina firebrick? What is the ability about the high alumina refractory brick, if can reach the target of long term using for lining masonry and what’s the features of high alumina brick? What is necessary for us...
Methods of Enhancing Dolomite Brick Anti-Hydration Ability
Dolomite bricks is a kind of refractory brick made from calcined dolomite sand. Dolomite brick main components are CaO and MgO, accompanied with little silica, alumina and ferric oxide, etc....
Methods of Making Refractory Brick
Refractory bricks are indispensable for high temperature industrial kilns and furnaces including acid resistant bricks, neutral brick and alkali resistant brick, etc. The raw material for producing refractory bricks...
Physical and Chemical Index of High Alumina Refractory Bricks
Physical and chemical index is one of the important references, why the physical and chemical indexes of high alumina bricks are so important, what does the physical and chemical index present?...
Production Craft & Advantages of Fused Cast Magnesia Chrome Refractory
Normal sintered magnesia chrome refractory brick has some ratio of micro pore and micro crack. Although these pores and cracks can absorb and alleviate some thermal stress...
The Production Process of Sillimanite Bricks is as follows: Raw material -> Filtrating -> Ingredient and add clinker -> Mixing -> Molding -> Drying -> Burning -> Sorting -> Packing. Just like the following is the production flow...
For the refractory brick, it is very important to discuss the reason of damage to refractory, there are the following points of the reason of damage to refractory brick in kiln. High Temperature Corrosion
Chemical Corrosion Effect
Cold &...
The application of chrome corundum brick will be introduced in this article. In iron and steel industry , the chrome corundum material can prolong more than double compared to corundum material, such as ladle breathable brick; In the field of nonferrous...
According to the daily use habits of customers and refractory manufacturers, and the chemical mineral composition of refractory bricks. Refractory bricks can be roughly classified into silica-alumina series refractory bricks, basic refractory bricks,...
Main function of insulating brick is heat preservation , reduce heat losses. Generally, insulating bricks do not contact with the flame. While the fire brick generally contact with flame directly, which is mainly used to be grilled by flame. Generally...
High alumina brick is a kind of neutral refractory, which the alumina oxide content is above 48%. It is made of alumina or other material with high content of alumina, mold and burn. It has the characteristics of high thermal stability, the refractoriness...
The refractory brick physical and chemical is very important for their performance. Refractory brick is one of the most common refractory material, it has different types, how to judge the quality of the products is according to three physical-chemical...
What’s the Silica Carbide Brick?
Silica carbide refractory brick is a kind of high grade refractory brick with the silica carbide as the main raw materials, the content is of 72%-99%. The main content of silica carbide bricks is SiC, the content i...
when customers purchase refractory bricks , there are some physical and chemical indexes for reference, there are also many kinds of physical and chemical indexes of refractory bricks, and volume density is one of the indexes, but it is a very important...
Refractory brick s are widely used in industrial furnaces, when customers purchase refractory bricks they will have many problems, today we will discuss the price of refractory bricks for your reference. Get Free Quote
Factors Affect...
What is Lightweight High Alumina Brick ?
Light weight high alumina brick , which the aluminium content is more than 48%, it is a kind of light weight refractory which mainly made of mullite and glass phase or corundum . The thermal shock resistance...
High Alumina Brick Introduce
High Alumina Brick is a kind of alumina-silicate refractory products with more than 48% content of Al2O3 inside, which are made of bauxite and other raw material.
High Alumina Brick Raw Materials
According to the different ...
High Alumina Brick Introduction
High alumina brick is a kind of alumina-silicate refractory material with content of alumina oxide more than 48% Al2O3. It is calcined and formed by the raw material of banxite or the material with high content of AL2O3....
High alumina refractory brick is widely used in industrial kiln mansonry, there are important connection between the amount of kiln high alumina refractory brick and size dimensions. There are many standard sizes if high alumina refractory brick, can...
What is high alumina brick?
High alumina refractory brick is a kind of alumina-silicate refractory material with content of alumina oxide more than 48% Al2O3. It is calcined and formed by the raw material of banxite or the material with high content...
Steel And Iron Industry Refractory Material Description
Steel and iron making industry consume 60%~70% of produced refractory material, so the development of steel and iron industry is curial to the development of refractory material industry. Refractory...
AC Electric Furnace Bottom Refractory Material Description
AC electric arc furnace bottom was primarily constructed by pitch & tar bind magnesia ramming mass or brine magnesia sand. Brine magnesia ramming mass has poor erosion resistance, can’t m...
Continuous casting steel ladle’s working condition is severer than mold casting steel ladle, so continuous casting steel ladle should choose high-quality refractories. EAF ladles and converter ladles have different working conditions, such as turnover s...
Al-Mg-C refractory material used in Steel ladle description
Since 1980s, steel industry is going through a quick development period, especially with the application of continuous casting and out furnace refining techniques and the increase of pure...
Electric Arc Furnace Cover Refractories Description
The function of electric furnace cover is heat insulating and environment protection, avoiding the diffusion of dust in the furnace. In the central zone of furnace cover, there is holes for inserting...
An electric arc furnace is an equipment for making steel by using an electric arc occurring between an electrode end and a charge as thermal energy. The development of electric arc furnace technology is to develop DC electric arc furnace, furnace bottom...
Electric Arc Furnace Wall Refractory Material Description
For small size electric arc furnaces, low price and low grade refractory materials such as pitch bound magnesia bricks, low grade magnesia carbon bricks and magnesia sand patching material...
Cement Kiln Bricks Description
Rotary cement kiln refractory bricks’ quality and construction technique and working environment can directly influence efficiency and clinker output of cement kiln. So factors which will affect the service life of r...
Factors Affecting Rotary Converter Refractory Material Damage
Refractory material quality plays a fundamental role for the service life of rotary converter. Magnesia carbon bricks are universally used in rotary converters now. So the refractoriness,...
Electric Arc Furnace Refractory Material Description
Electric arc furnace make use of waste steel to smelt steel. During steel smelting, furnace bottom will expose to steel liquid chemical corrosion, mechanical abrasion and impaction, thermal shock...
Cement Kiln Bricks Description
Cement kiln refractory bricks’ service life can directly affect operating rate and clinker output of cement kiln. The working period of new type dry cement kiln refractory bricks should be no less than 10 months, refractory b...
HP&UHP EAF Cover Refractory Description
For high power and ultra high power electric arc furnace, which’s smelting condition is more severe, high grade refractories such as corundum castable, corundum precast block, chrome corundum castable, c...
Induction Furnace Refractories Description
Induction furnace is steel smelting equipment, which can generate strong electromagnetic field when the induction coil is powdered on. So raw material such as scrap steel in induction furnace will generate...
Iron Liquid Pre-Treatment Refractory Material Description
With the development of metallurgy industry, steel species and quality is continuously enhancing. So there are stricter requirement on steel liquid quality, i.e., steel liquid has lower sulfur,...
Steel ladles can be divided into mould casting ladles and continuous casting ladles. Mould casting ladles’ working condition is better than continuous casting ladles because steel loading time is shorter, steel liquid temperature is lower and turnover i...
LF and Asea-SKF furnace Refractories
LF and Asea-SKF furnace are out furnace refinery equipment, which can further treat converter and EAF smelted steel liquid. Through processing procedures such as adding synthesized slag and alloy, wire feeding,...
Problems And Solutions Of Refractory Materials Used In Tundish
Refractory materials used in tundish including alumina zirconia precast block or corundum mullite castable for permanent layer, dry vibration material, nozzle brick and well block for...
Reasons For Refractory Material Damage Of Converter Working Lining
The mechanism of refractory material damage in converter working lining is very complicated, generally speaking, under the combined action of physical, chemical and thermal stress...
The ceramic cup technique is invented by France SAVOIE company. The ceramic cup technique synthesized furnace bottom and furnace hearth by different kinds of composite refractory materials and constructed into a closed ring type furnace lining, i.e. ceramic...
Converter Steel Smelting Description
The main methods of steel smelting in the world are converters, electric arc furnaces and open hearth furnaces. Open hearth furnaces are almost abandoned, converters steel smelting accounts for 70% of steel output....
Hot blast furnace is a kind of thermal equipment which heats the air blasted into blast furnace from room temperature to high temperature. Hot blast furnaces can be divided into internal combustion type and external combustion type, the furnace body consists...
Iron Mixing Furnace Description
Iron mixing furnace is iron liquid loading equipment, which can keep iron liquid temperature and composition homogeneous, as well as get good connection and balance between small iron liquid ladle and large scale steel...
Refractory Materials Applied In Iron And Steel Industry
The main raw materials used in blast furnace are iron ore(natural or synthesized), fuel(coke and fuel injection), flux( lime or dolomite). Modern steel making production flow is: iron ore smelt...
Blast furnace is a kind of vertical type thermal equipment for continuous iron smelting in high temperature and reduction atmosphere , which uses blasted hot air to make coke burn and reduct molten iron ore to metal iron. From top to bottom, blast furnace ...
The steel liquid smelted in blast furnace will be poured out from tap hole, runs through the main channel, tapping channel and swing iron spout and finally flows into foundry ladle. There is are slag skimmer between the main channel and tapping channel,...
Blast furnace iron smelting possesses the dominant position for a long term, but with the strained supply of coke and severe environmental pollution, new iron smelting technique is researched and now there are two matured non coke iron smelting methods:...
Rotary Converter Refractory Material Description
To enhance converter’s service life, the quality of refractory material is an important factor, while operation condition is another more important factor, because good working condition is the ba...
Slide Nozzle and Slide Plate Description
Slide gate nozzle is the equipment installed at the bottom of steel ladle( or tundish) to control the flowing of liquid steel. Slide nozzle composes top and bottom nozzle bricks and top and bottom slide plates. ...
The function of steel ladle is to continue the molten steel of upstream steel furnace, which delivered the molten steel to external refining equipment or the scene of casting steel. Steel ladle not only has the division between die cast steel ladle and...
Steel Ladle Al2O3-MgO-C Refractory Description
With the rapid development of steel smelting technique, especially with the application of continuous casting and out furnace refining techniques, the requirement on ladle refractory material is much...
During steel casting, well blocks are used to hold the bottom end of the stopper. when casting is finished, well blocks will ensure the stopper slide to the nozzle along the cambered surface to stop steel liquid mainstream. By material composition, Steel...
Steel Tapping Hole Refractory Material Description
Ordinary electric arc furnace’s steel tapping method is groove type, which needs great inclination angle, has high erosion speed to refractory material. So electric furnace’s service life is short, ste...
