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Common knowledge of refractory castables

Words:[Big][Medium][Small] Mobile Page Two-Dimensional Code 2018-10-15     

As a new type of refractory material, castable is mainly characterized by high fluidity and is suitable for unshaped refractory materials formed by casting. Compared with other amorphous refractories, the binder and moisture content are higher and flow. It has good properties, so the application of refractory materials is wide, and the materials and binders can be selected according to the conditions of use. It can be directly cast into a lining, or it can be made into a precast block by pouring or compacting.


1. Q: What is castable?


Answer: The castable is an unqualified refractory material. The construction method of the cast-in-place vibrating can discharge the bubbles in the material to achieve compactness.



2. Q: What is the application of castables?


A: High-temperature furnaces in the building materials industry (cement glass ceramics, etc.), petrochemical industry, power industry, metallurgical industry, non-ferrous metals and their similar working conditions.



3. Q: Is the amount of water added during the construction of castables strictly controlled? A: It must be strictly controlled and strictly in accordance with the product construction instructions.


4. Q: What problems should be paid attention to during the summer construction of castables? A: You should pay attention to the following questions:


    a. The pouring material is strictly prohibited from being exposed to the sun. b. The temperature of the stirring water should not exceed 25 degrees.


    c. The construction site should also be shaded. Conditional conditions can be used to spray water on the outer wall of the equipment.


5. Q: What problems should be paid attention to during the construction of castables in winter? A: You should pay attention to the following questions:


    a, preferably in a covered workshop

    b. If it is unconditional, it can be used for site insulation.

    c, using warm water to stir the water temperature 30 degrees -50 degrees

 


6 Zibo Yueneng Kiln Technology Co., Ltd., built in 1985, is located in the refractory raw material base. It is a professional manufacturer of unshaped refractory materials and thermal insulation materials. The main products are high alumina bricks, clay bricks, phosphate bonded refractory bricks, and circulating flow. The chemical bed is equipped with wear-resistant bricks, high-strength wear-resistant castables, heat-insulating refractory castables, heat-insulating bricks, high-aluminum aggregates, hard clay clinker, and various types of unshaped refractories. The quality is excellent and the price is low.


7. Q: How to save the castable?


A: The pouring material should be kept in the covered warehouse and the moisture-proof layer should be protected from rain and moisture.


8. Q: How to maintain the castable material after construction?


A: The hydraulic castables are moisturized and cured for 24 hours and then naturally maintained for 24 hours. For a special large amount of cement, the traditional hydraulic castables are moisturized for 48 hours. For the hard and hard castables, no water should be applied during the curing process. The relative humidity should be 85. % below the natural curing of hydraulic castables, according to the product specification.


9. Q: How is the casting material baked?


Answer: The general baking system of castables is strictly in accordance with the product specifications to prevent the adverse consequences caused by incorrect ovens.



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