Furnace hearth castables--Refractory Encyclopedia
Furnace hearth castables for the entire furnace hearth have always been the cutting-edge technology of refractory castables. This new technology has always appeared amid doubts, because the integral casting of furnace hearth castables can greatly reduce the difficulty of furnace hearth cleaning. As for the effect of use, it can be said that there are different opinions.
However, from the perspective of the use of this technology, the use cycle is closely related to different manufacturers and product prices. At present, the use cycle of imported products is long, but the price is staggering. There are not many domestic manufacturers that make furnace hearth castables for integral casting. To be honest, in terms of the use cycle, it is not as good as imported products, but in terms of price, it is also far apart. If the production cycle of the price is the same, it complements each other, and it is almost the same when it is calculated.
The furnace casting material used for the integral casting of the furnace is combined with silicon melt, but silicon melt also has different grades of use effects. However, the on-site integral casting construction of the integral casting is very important and is also the top priority. The key is the technology of integral casting. It is very important to grasp the casting once in the construction. From site cleaning to the casting of each meter of the whole circle of the scaffold, there must be certain technology and rationality, otherwise the integral casting is empty talk.
In addition, the equipment for integral casting is equally important. Due to the time relationship in the casting, the casting volume and capacity of the equipment must also be modified or specially designed according to experience.
The biggest feature of the integral casting of the furnace casting material is that the cup structure is seamless, which allows the molten iron to enter seamlessly. The molten iron bubbles in the furnace are very corrosive, and the integral casting of the furnace casting material can better stabilize the heat transfer mode, and the cup-shaped structure is more reasonable.
However, the use effect of the integral casting of the furnace casting material also needs further research and improvement, so that the products that have not been sintered at high temperature can better extend their service life in a strong state of integrity.
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