Calcium aluminate cement is calcium monoaluminate or calcium dialuminate as the main mineral component of cement.It is made of natural bauxite or industrial alumina and calcium carbonate
according to a certain proportion, through calcination or electrofusion.
The setting rate of this series of refractory cement is also related to curing temperature.With the increase of curing temperature, the condensation and hardening speed of CA2 mineral is accelerated, while CA mineral is somewhat abnormal. It is faster at about 20℃, slower at 30℃, and faster when it is higher than 30℃.According to the phase change of calcium aluminate hydrate during heating, it is very important to choose proper curing conditions.
As a refractory cement used widely in refractory field, it has many good performances such as high temperature resistance, high strength, sound thermal and shock resistance.
It is properties and performances, calcium aluminate cement is usually utilized in many industries such as metallurgy industry, chemical industry, petroleum industry, and so on.
Zhengzhou Rongsheng Kiln Refractory Co.,Ltd.as a refractory materials manufacturer in China, has the high reputation among the same industry. RS has a large number of teams to serve customers, the most direct contact with the customer’s are sales team, and the technical service team. Welcome to consult, purchase refractory materials.
Compared with other unshaped refractory, high alumina refractory castable has higher binder and moisture content and better fluidity, so its application range is wider.It can be used either directly as a lining or as a precast block.
High alumina refractory castable is made by scientific application of factors such as optimization of particle gradation, micro powder, particle morphology, and addition of a small amount of dispersant (water-reducing agent) and an appropriate amount of retarder and other compound admixtures.
High alumina refractory castable advantage
1.The low content of calcium oxide in the refractory castable can reduce the formation of low eutectic phase, thus improving the refractoriness, high temperature strength and slag resistance.
2.The water requirement of high aluminum castable is greatly reduced, the porosity is low and the volume density is high.
3.It is during heating and baking, there is not a large number of broken hydration bonds, which makes the strength at medium temperature decrease. With the increase of heat treatment temperature, the strength also increases.
This series of refractory castable is mainly used in metallurgy, electric power, nonferrous metals, petrochemical, building materials and other industries.Such as glass kiln tin tank bottom, cement kiln front and rear kiln door cover cooling machine front end and other high temperature resistant parts, front and rear kiln mouth, coal spraying pipe; Heating furnace, soaking furnace and other heat treatment furnace;Lining of medium frequency induction furnace, high temperature wear resistant lining of catalytic cracking reactor of petrochemical industry, lining of other industrial furnaces. The construction method of spot pouring, daub and ramming can be adopted.
In addition to the extensive application of high alumina refractory castable in cement kilns, in other industrial kilns use the effect is also very good. If you need refractory castable, welcome to call
Zhengzhou Rongsheng Kiln Refractory Co., LTD.we will provide you with quality products, and will provide you with technical support and other services.
Steel fiber refractory castable refers to a certain size of heat resistant steel fiber added to the mix for the preparation of castable refractory. Or now fluidized bed boiler widely used as a wear-resistant material.
The use of steel fiber castable, furnace lining no seam, the fiber is arranged in a three-dimensional direction, in high temperature use, furnace lining will not produce directional shrinkage, will not
produce cracks, furnace lining integrity is good, good air tightness, good insulation effect, long service life. Steel fiber refractory castable construction process is simple, fast, material consumption is small.The requirement of anchoring nail position for furnace lining is not strict and the construction is quick and easy. It is particularly convenient for the construction of backlining insulation layer with anchor brick structure.
This type of refractory castable has better mechanical properties, certain strength and bearing capacity, strong resistance to airflow erosion.The steel fiber castable has strong adaptability to the
atmosphere in the furnace and can be used in various fuel furnaces.Improve stress resistance, mechanical shock resistance, thermal shock resistance, cracking resistance and peeling resistance, and restrain linear shrinkage after curing, drying and heat treatment.
Steel fiber refractory castable is the use of super grade bauxite clinker most aggregate, high quality bauxite clinker and corundum fine powder as the matrix, ultramicron powder and other composite materials as a binder and additives, in addition to join the stainless steel heat resistant fiber preparation. In addition to the conventional high-temperature wear resistance, the refractory castable product also adds a certain amount of heat-resistant stainless steel fiber in its ingredients to prevent the expansion of the aggregate and matrix in the material in the high temperature state, and the stress caused by the change of temperature gradient in the start and stop of the furnace, which leads to the destruction of the furnace wall. At the same time, due to the addition of steel fiber, the overall strength of the furnace wall after pouring is greatly enhanced.
Steel fiber refractory castable in CFB boiler, often used for furnace outlet and sidewall, top, cyclone separator straight section, cyclone separator top, feeder and other parts.
The above is the basic knowledge about steel fiber castable that we share with you today. If you want to know and buy, please come to consultwith us and we will reply to you as soon as possible.
High aluminum cement belongs to the hydraulic cement, mainly has the rotary kiln sintering method, the electric arc furnace melting method, the reverberatory furnace melting method and so on manufacture method.
The main mineral of high aluminum cement is CA and the secondary mineral is CA2.The refractory cement has early strength and can shorten the curing period when it is constructed in the kiln. Therefore, the high alumina cement is widely used in the refractory industry.
This series of refractory cement has the property of resisting biological acid erosion and is widely used in the manufacture of sewage pipe and ground material of some processing plants.When preparing high aluminum cement, reasonable selection of additives can make the material has the property of fast solidification and hardness, and also can obtain the fluidity, water retention, adhesion and shrinkage compensation required by the project.
With the development of chemical building materials, various advantages of high aluminum cement are paid more and more attention to by people, because of the fast hardening of refractory cement, fast absorption of water, shrinkage compensation, so as to obtain a good mortar performance.
High aluminum cement is widely used in petroleum industry, metallurgy industry, chemical industry and other industries. This material can not only be made into cementing material such as refractory concrete, but also can be made into the cement for special uses or for the special engineering use.
Unshaped refractory materials have refractory castable, refractory cement, refractory can be plastic and other refractory products.Because function is different, construction way is different, these products have certain distinction in essence.For those who are not familiar with refractories, it is very easy to confuse these three products. Today, we will briefly introduce the differences between these three products through the following text, to help you quickly understand.
Refractory cement, also known as high temperature cement, it is bauxite, limestone as raw materials, the main components are Al2O3 and CaO.Refractory cement, usually yellow or brown but occasionally gray, is used to prepare refractory concrete with special materials added.It has the advantages of rapid coagulation, high strength and high temperature resistance,applicable to various industrial kilns,the refractory degree can reach 1450℃ and the refractory concrete strength can reach 55MPa, which is one of the excellent high-temperature binder materials in industrial kiln engineering.
Refractory cement is simple and convenient to use, can harden after adding water to mediate, do not need to add other binder commonly, but should add if some refractory aggregate and powder.The product is used for cementing various refractory aggregates into refractory mortar or concrete, used for lining cement rotary kilns and other industrial kilns.
Refractory castable with high quality refractory aggregate as the main raw material, powder filled with each other to form a dense structure, high aluminum cement as a binder, and then add dispersant and other admixture configuration from the construction of castable unshaped refractory.
Refractory castable according to the use of the main material is different, divided into clay, high aluminum, mullite, just jade, magnesium, and so on. According to use way different, can be divided into pouring molding, self-flow molding, spraying construction, daub construction, can also be made into prefabricated parts.
Refractory plastic with refractory aggregate and powder based, add appropriate combination of clay or chemical agent, add admixture, add water after fully mixed and made of adobe or mud closed material, in the specified storage period, has a good plasticity.It is used in heating furnace, soaking furnace, heat treatment furnace, boiler and other thermal equipment.
According to the above refractory castable, refractory cement, refractory can be a simple introduction of plastic, I believe that we can recognize the difference between this and various materials of different characteristics.If you have any product requirements, please contact us. Zhengzhou Rongsheng Kiln Refractory Co., ltd. as a professional manufacturer of Refractory material and can produce a variety of different types of Refractory products, product types is basically material quality and construction method to classify, our product variety is complete, can satisfy all kinds of power plant boilers, industrial furnaces, etc of high temperature resistant requirements of thermal technology equipment, product quality excellent, worthy of your trust.
Calcium aluminate cement is one calcium aluminate or two calcium aluminate as the main mineral composition of cement. It is made of natural bauxite or industrial alumina and calcium carbonate in accordance with a certain proportion through calcination or electrofusion.It is also made of bauxite fused with limestone.
The calcium aluminate cement can be divided into ordinary calcium aluminate cement and pure calcium aluminate cement according to its chemical composition.The setting rate of calcium aluminate cement is also related to curing temperature.According to the phase change of calcium aluminate hydrate during heating, it is very important to choose proper curing conditions.The hydration of the refractory cement varies with curing conditions.
This series of refractory cement is mainly used as the binder of refractory castable and refractory injection. Calcium aluminate cement is widely used in various high-temperature kilns, with the advantages of high temperature resistance, stable performance, high purity of raw materials, high aluminum content, quick and convenient construction, scientific proportion, automatic production line, customizable, etc.Fully meet the customer’s customized needs.
The calcium aluminate cement is suitable for lining and repairing materials of boiler, blast furnace, hot blast furnace, heating furnace and other high temperature kilns. It can also be used in metallurgy, petroleum, chemical industry and other industries.
Our company has more than 20 years of experience in refractory production, production, research and development, sales, construction in one of the refractory manufacturers.Equipped with fully automatic production workshop, can also be customized according to customer requirements, welcome to the needs of customers to consult,inspection, procurement, we will provide you with the most professional, the best quality service.
Mullite refractory castable is made of high quality mullite aggregate as the main raw material and then mixed with some fine powder and additives.
Mullite castable high temperature, can be used directly in contact with the flame as a working line, so as to achieve the effect of high temperature and energy saving. The castable unit bulk weight is light,the structural weight is reduced compared with traditional castable,successfully eliminate the hidden danger of broken brick of the brick hanging on the top of the furnace.Low thermal conductivity, good thermal insulation performance,can be fast drying furnace, shorten drying period, economic benefits have been significantly improved.
Mullite refractory castable products of high quality, affordable, sales network around the world, is one of the hottest products in recent years.This series of refractory castable has been unanimously praised and trusted by customers, is an excellent refractory castable, complete product qualification, pre-sale and after-sales guarantee, warm and thoughtful service.Welcome the user who has the demand, come to consult, inspect, purchase, we will contact with you in a timely manner.
The mullite refractory castable used in petrochemical industry tubular heating furnace, light diesel oil, ethane cracking furnace lining, atmospheric pressure furnace, sulfur recovery device, steam boiler, shell net insulation layer, two tube and pipe insulation single layer, other industrial furnace door, fire hole, observation hole door lining and so on.
Zhengzhou Rongsheng Kiln Refractory Co.,Ltd. adhering to the “integrity,innovation,hard work”and business philosophy,the “people-oriented”as the cornerstone of enterprise development,to “the pursuit of excellence” as the core values of the enterprise. And product types rich scientific management processes,improve customer information management system,timely,efficient,to provide satisfactory service to our users.
Low cement castable usually refers to the refractory castable with little binder dose in preparation, whose thermal shock resistance, slag resistance and erosion resistance are significantly improved compared with other castable. If the binder dose is further reduced, it can be made into ultra-low cement castable and cement-free castable, which is a hot-selling product in the current market and has been well received and trusted by customers.
In low cement refractory castable, the admixture used is mainly high efficiency water-reducing agent and dispersing agent. Generally speaking, the water reduction and dispersion effect of organic admixtures is better than that of inorganic admixtures.
This series of refractory castable adopts the whole casting, which has the characteristics of low porosity, small size of porosity, high density, good volume stability, high strength and small amount of water. And overcome some of the shortcomings of ordinary castable，used the low cement refractory castable can double the thermal shock of furnace body.
The low cement refractory castable must be stirred by a forced mixer, using clean water at a suitable temperature of 10~25℃, and mixing with water in strict accordance with the mixing ratio given in the operating instructions.Welcome customers with purchase requirements to consult and purchase.
Zhengzhou Rongsheng Kiln Refractory Co.,Ltd. is a professional manufacturer and supplier of Refractory castable, Refractory bricks, Refractory cement and other Refractory products. The product quality is superior, the service is warm and thoughtful, the qualification certificate is complete, the production environment is outstanding, welcome the customer to come to purchase.
In general, lightweight insulation castable is the volume density of the lower castable, with more pores, low volume density, small thermal conductivity, good thermal insulation effect and other characteristics. It is made of aluminate cement, high aluminum fine material, ceramsite and additive configuration and become.It is a high quality refractory castable with good quality and low price,extensive use, quality assurance.
Light thermal insulation castable has good workability, strong bonding ability, long initial setting time and construction operation time, fast strength growth, strong impermeability, no need for acidification treatment, and easy to ensure the compactness and fullness of masonry mortar joints. It can significantly improve the air tightness, integrity and corrosion resistance of the chimney lining wall. It is an ideal cementing material for high-temperature flue, air duct and tall chimney.
This series of insulation castable is widely used in electric power, petrochemical, metallurgy, kiln and other industries, also can be used in nonferrous metallurgy and other industries acid-proof pool, tank and other acid-proof engineering. Serve as thermal insulation castable for refractory lining, double lining and similar thermal equipment is one of the hottest products in recent years.
Our factory has a professional technical team in the production and construction of lightweight insulation castable, rich experience, service in place, welcome to have the need to buy customers to contact us, we will serve you wholeheartedly.
Steel fiber wear resistant refractory castable is mainly used in boiler and furnace outlet, top, side wall and other parts of the steel, metallurgy, chemical and building materials industry is widely used.
The steel fiber castable has the characteristics of high strength, good toughness, good thermal shock stability, good spalling resistance and abrasion resistance. Widely used in cement rotary kiln kiln mouth, cooling machine, coal injection pipe, decomposition furnace, preheater and other parts.
Steel fiber wear resistant refractory castable adopts super grade bauxite clinker as the aggregate, which has high temperature abrasion resistance and the overall strength of the furnace wall is greatly enhanced after pouring. In CFB boiler, it is mainly used in the straight section of cyclone separator, the top of cyclone separator and the parts of feedbacks.
This series of wear resistant refractory castable is made of high aluminum clinker or brown corundum as aggregate and powder, and it is prepared by adding binder and appropriate amount of heat-resistant steel fiber and admixture.
The steel fiber wear resistant refractory castable with high strength, high temperature resistance, impact resistance, thermal shock resistance, good wear resistance, etc., mainly used in metallurgy, building materials and circulating fluidized bed boiler high temperature vulnerable parts.
We are a professional manufacturer of refractory materials, with three high-temperature tunnel kiln production lines, annual output of various types of refractory 100,000 tons, strong technical force, reliable product quality, welcome new and old customers to consult purchase.
