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澆注料介紹
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? ? ? 澆注料又叫耐火澆注料，由耐火骨料、粉料、結合劑、外加劑等組成的用澆注法施工的不定形耐火材料。具有**的機械強度和良好的抗熱震、抗磨蝕等性能，主要用做鍋爐、高爐熱風爐、加熱爐、陶瓷窯爐等各種窯爐的內襯。
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? ? ? 耐火澆注料是一種由耐火物質制成的粒狀和粉狀材料，并加入一定量結合劑和水分共同組成。它具有**的流動性，適宜用澆注方法施工，并無需加熱即可硬化的不定形耐火材料。由耐火骨料、粉料、結合劑、外加劑、水或其他液體材料組成。一般在使用現場以澆注、震動或搗固的方法澆筑成型，也可以制成預制件使用。施工時加一定量的水，攪拌后澆注成型，再經養護、烘烤。可根據使用條件對所用材質和結合劑等加以選擇。
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澆注料分類
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? ? ? 澆注料按氣孔率分有致密耐火澆注料和氣孔率不**45的隔熱耐火燒注料兩種。
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? ? ? 澆注料按結合劑分有水硬性結合、化學結合、凝聚結合耐火澆注料。
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? ? ? 澆注料按耐火骨料分有粘土質骨料、高鋁質骨料、硅質骨料、堿性骨料、特殊骨料、隔熱骨料。
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澆注料用途
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? ? ? 澆注料是目前生產與使用**為廣泛的一種不定型耐火材料，用于構筑各種加熱爐內襯的整體構筑物，可用于冶煉爐。鋁酸鹽水泥澆注料可廣泛用于各種加熱爐和其他無渣、無酸堿侵蝕的熱工設備中。在受鐵水、鋼水和熔渣侵蝕而工作溫度又**的部位，如出鋼槽=盛鋼桶和高爐爐身、出鐵溝等，可使用由低鈣和純凈的高鋁水泥結合的由含氧化鋁**而燒結良好的優質粒狀和粉狀料治成的澆注料。再如磷酸鹽澆注料即可廣泛用于加熱爐和加熱金屬的均勻爐，也可用于煉焦爐，水泥窯中直接同物料接觸的部位。在同熔渣和熔融金屬直接接觸的冶金爐和其他容器中的一些部位，使用優質磷酸鹽澆注料進行修補也有較好的效果。在一些工作溫度不是很高的而需要耐磨性**的部位，使用磷酸鹽澆注料較為合適，若選用剛玉質耐火材料治成的澆注料，在還原氣分的使用一般皆有較好的效果。
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The casting material is also known as the refractory casting material, which is composed of refractory aggregate, powder, binder, additives and so on. With high mechanical strength and good thermal shock resistance, abrasion resistance and other properties, mainly used for boiler, hot blast furnace, heating furnace, etc. various kinds of ceramic kiln furnace lining.
Refractory cast material is a kind of granular and powdery material made of refractory material, and adding a certain amount of binder and water together. It has a high mobility, suitable for the construction of the pouring method, and there is no need to heat to the hardening of the refractory material. Consisting of refractory aggregate, powder, binder, admixture, water or other liquid materials. The general method of pouring, pouring in vibration or tamping in the use of on-site molding, can also be made using prefabricated parts. In the construction, adding a certain amount of water , after mixing, pouring molding, and then the maintenance, baking. According to the use of conditions for the use of materials and binders, etc
Casting material is the most widely used in the production and use of an amorphous refractory material, used to build a variety of heating furnace lining of the overall structure, can be used for smelting furnace. Aluminate cement castable can be widely used for various kinds of heating furnaces and other no residue, acid erosion in thermal equipment. In the molten iron, molten steel and slag and high temperature parts, such as tapping groove = ladle and blast furnace trough, etc can be used by the combination of low calcium and high pure aluminum by high alumina cement with good sintering quality granular and powdered materials into the pouring material. Another example of phosphate castable can be broadly used for uniform furnace heating furnace and heating of metal, can also be used for coke oven, cement kiln directly with material contact parts. Some parts in direct contact with the molten slag and molten metal metallurgy furnace and other containers, the use of high-quality phosphate castable repair also has a good effect. In some of the work is not very high temperature and require high wear resistance parts, the use of phosphate castable is more appropriate, if the selection of castable corundum refractory to treatment, reducing the use of gas in general have good effect.
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