self flowing and pumpable castable refractories
self-flow castableRefractory Brick
Self-flow castable This product use synthetic materials including high-quality bauxite corundum and silicon carbide which are proceeded by specific equipment as the main material compound with many admixtures and high-efficient water reducing admixture and fluidizing admixture to Jun 16 2012 · As a function of the firing temperature the physicomechanical and refractory properties of the self-flowing low-cement bauxite castable were characterized in terms of densification parameters such as apparent porosity (AP) bulk density (BD) water absorption (WA) and
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Effects of firing temperature on the physical properties
Jun 16 2012 · As a function of the firing temperature the physicomechanical and refractory properties of the self-flowing low-cement bauxite castable were characterized in terms of densification parameters such as apparent porosity (AP) bulk density (BD) water absorption (WA) and Self-flow castable This product use synthetic materials including high-quality bauxite corundum and silicon carbide which are proceeded by specific equipment as the main material compound with many admixtures and high-efficient water reducing admixture and fluidizing admixture to
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Responding to the Refractory Industry s Need for Fully
The second Microsilica containing castable is based on Tabular alumina aggregate. Again both A-20SG and T-64 –20 micron have been utilized with 3 Microsilica and 2 CA-14. In this self-flowing castable raw Kyanite has been utilized to minimize high temperature shrinkage. Excellent self-flow and strength are achieved at 4.3 water. Mullite based low cement vibration/self flow castable Armormax® 70SR 70 Al 2 O 3 low cement high needle bearing shock resistant pump/vibration castable Tuff-Flo 608 Abrasion resistant SiC containing castable TUFF-FLO 60A Thermal shock resistant andalusite containing castable
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self-flowing refractory castable
Self-flowing refractory castable can be used in CFB boilers and other high temperature furnaces. Applications of Self-flowing Castable The self-flow castable has widely application especially for blast furnace iron runner department between stave cooler and blast furnace shell. Castable Refractory for High Heat Applications Castables/Monolithic refractories are utilized across numerous industries including steel aluminum cement lime HPI/petrochem etc. It is considered an "unshaped" mix with a particular percentage of water for optimal properties.
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(PDF) CONTROL OF FORMULATION AND OPTIMISATION OF SELF-FLOW
Consistency Determination of Free Flow CastablesConsistency is defined as the degree of flow of a refractory concrete under a specific method of application. In the case of free flow castables it is the degree of flow under its own weight with a predetermined amount of water measured in intervals of time specified after the water addition. Refractories are enabling materials in that their primary function is to facilitate the production of other materials such as metals glasses petrochemicals and cements. They have enabled the utilization of heat to make materials since the Bronze Age. Although in recent years a number of studies concerning the many complex variables that determine the rheologic hydraulic and ceramic
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Properties of alumina based low-cement self flowing
Jan 01 2007 · Tabular alumina seems to be the most advantageous raw material for the self flowing castable refractoy for n = 0.23 value. Also it can be said that white and brown corundum can be alternative for tabular alumina to produce self flowing castable. (self-flow value > 110 ). Therefore at sol content within the range of 9-11 the self-flow value of castable lies within the range of 80-110 which castable shows self-flowing behavior. In Figure 2 the effect of sol content on self-flow value as a function of time is shown. The results indicate that with increase of sol content the working
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PUMPABLE CASTABLES Monolithic Refractories
Gel-bond castables/pumpables . Characteristics of gel-bond castables/pumpables. Injectable grouts . Applications of gel-bond pumpable compositions. Pumpable (self-flow) castables . Particle packing. Interparticle separation distance. Gun/spray (shotcreting) LCC. References The idea of self-flow and pumpable castables The development of low and ultra low-cement castables has indeed been developed from this improved flowability (LCC ULCC) started in the late 1970s by replacing part of 1–3 . the cement with fine (1–100 mm) and ultra fine (<1 mm) Self-flow castables are characterized by their consistency
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Rheological characterization of pumpable refractory castables
The present work presents the rheological characterization of a pumpable self-flow refractory castable carried out by a rheometer specially developed for this kind of material. The influence of the water content and cement hydration on castable rheology was evaluated as a function of time and shear history in order to simulate pumping conditions. Castable is a kind of granular and powdery material made form refractory material with a certain amount of binder. As an amorphous refractory castable has high fluidity and forms by pouring or spreading. The difference with other amorphous refractories is that the refractory castable has a certain setting and hardening time after construction.
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CUMIFLOW SELF FLOW CASTABLE CUMI REFRAMAT
REFRAMAT as authorized marketing partner of Carborundum Universal Ltd (Cumi) offers its range of Refractories solutions including Self Flow Castable. We offer entire range of self flow castable CUMIFLOW 45 50 60 70 80 90 etc. CUMIFLOW range of self-flow castables is characterised by a consistency which allows them to flow and de-air Dec 01 2014 · Self-flowing refractory castables have been used in refractory market for more than 20 years. Their capability to reach maximum density without vibration have covered some appliications in which classic consolidation techniques has not easy implementation. Extension of self-flow as general castable configuration have been limited by necessary
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Development of Nano-ZrO2 Reinforced Self-Flowing Low
Figure 2.24 The effect of various deflocculants on the self flow of castables. 49 Figure 2.25 Flow value and water addition for a 1.5 cement tabular alumina based refractory castable as a function of microsilica content. 50 Figure 2.26 Impact of warehouse aging on flow at 30 minutes 51 High Alumina Self-flow Castable Refractory Brand Properties KT-16SF Chemical Composition ( ) Al2O3 ≥75 SiO ≤20 Max service temperature (°C) 1550 3 Bulk density after burnt at 110°C (g/cm ) ≥2.7 Linear changing after burnt at ( ) 1100°C 3h ±0.3 1500°C 3h ±0.5
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Self-flow castablesSECAR® solutions for refractories
Self-flow castables define a specific refractory concrete family that is used when vibration casting is not adapted. This is typically the case for complicated or intricated shapes too narrow to be vibrated. Refractory corundum self-flowing castable as a kind of hot sales refractory castable for furnace application in ZhengNai refractory castable factory manufacturing with widely used in CFB boilers and other thermal equipment to wash out parts that are severely worn and difficult to construct.Self-flowing castable corundum refractory is a kind of high wear resistance.
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Self-flow castablesSECAR® solutions for refractories
Self-flow castables define a specific refractory concrete family that is used when vibration casting is not adapted. This is typically the case for complicated or intricated shapes too narrow to be vibrated. Jun 16 2012 · As a function of the firing temperature the physicomechanical and refractory properties of the self-flowing low-cement bauxite castable were characterized in terms of densification parameters such as apparent porosity (AP) bulk density (BD) water absorption (WA) and
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Durocast Alumino-Silicates Castables
DUROCAST LC LOW CEMENT CASTABLES. General purpose castables with better refractoriness and strength than standard castables. These products use less water. It is recommended to use pan mixers and to follow a recommended dry out schedule. The recent history of refractory industry has been characterized by a continuous evolution in castables technology. Nowadays self-flowing pumpable and shotcreting castables usually replace the traditional vibrated materials. However the rheological specification of a castable determines its particle size distribution characteristics what directly influences its mixing behavior water
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Improvement of properties of self-flowing low-cement
In the mid 1980s self-flowing castables (SFCs) which are LCCs or ULLCs with a consistency after mixing that allows them to flow and degas without application of vibration has joined into the family of refractory concretes 1 7-9 . However despite these characteristics and a wide variety of compositions of the self-flow technology Description 1.1 This test method covers the determination of the consistency (degree of self-flow) and working time of self-flowing castable refractories. This test may optionally be used to determine working time of self-flowing castables. 1.2 The values stated in inch-lb. units are to be
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Introduction of Changxing Refractory self-flow castable
Company News Introduction of Changxing Refractory self-flow castable According to the solid theory and the actual service condition of refractory material Changxing Refractory developed the high-tech self-flow castables after a series of test.Without vibration self-flow castables can be degassed and leveled by gravity and thereby become compact. Jun 16 2012 · As a function of the firing temperature the physicomechanical and refractory properties of the self-flowing low-cement bauxite castable were characterized in terms of densification parameters such as apparent porosity (AP) bulk density (BD) water absorption (WA) and
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Particle Distribution Design in a Self-Flow Alumina
A self-flow refractory castable (SFRC) without cement requires a matrix of fine particles and a broad size distribution of coarse particles (aggregate). The matrix ensures the rheological behaviour and performs the binding role of the absent refractory cement. The second Microsilica containing castable is based on Tabular alumina aggregate. Again both A-20SG and T-64 –20 micron have been utilized with 3 Microsilica and 2 CA-14. In this self-flowing castable raw Kyanite has been utilized to minimize high temperature shrinkage. Excellent self-flow and strength are achieved at 4.3 water.
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self-flowing refractory castable
Self-flowing refractory castable can be used in CFB boilers and other high temperature furnaces. Applications of Self-flowing Castable The self-flow castable has widely application especially for blast furnace iron runner department between stave cooler and blast furnace shell. (self-flow value > 110 ). Therefore at sol content within the range of 9-11 the self-flow value of castable lies within the range of 80-110 which castable shows self-flowing behavior. In Figure 2 the effect of sol content on self-flow value as a function of time is shown. The results indicate that with increase of sol content the working
Get PriceNorflow® Castable Products Saint-Gobain Refractories
Just like conventional castables self-flowing castables can be combined with PP or PVC fibers to improve drying kinetics and limit the risk of spalling during initial heat-up. The use of reinforcement steel fibers is also possible without altering the self-flowing capability when special tensile strength of resistance to cracking is required. Dept. of Materials Engineering Federal University of São Carlos São Carlos SP Brazil Nowadays self -flowing pumpable and shotcreting castables frequently replace the traditional vibrated
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