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What are the properties and advantages of monolithic refractories?

Views: 0     Author: Site Editor     Publish Time: 2021-10-20      Origin: Site


Although the use of monolithic refractories has been for many years, it has not been generally accepted in the industry until the 1960s. Refractory aggregate, fine powder and binder (or additive) according to the use of the formula by the appropriate proportion of the mixture to form a monolithic refractory, can be used directly or can be added to the appropriate amount of liquid for use. In terms of transportation, monolithic refractories usually in the form of bulk materials, and then according to the use of the site requirements of different construction methods.

 

Here is the content list:

  • Advantages of monolithic refractories

  • Characteristics of monolithic refractories

 

Advantages of monolithic refractories

The special application mode makes the monolithic refractories have the following advantages:

  1. From the perspective of environmental protection, the monolithic refractory does not have molding, baking and high-temperature calcining in the production process, so the process is simple and the production efficiency is high.

  2. Its use will not be limited by the shape because of the different structure of the kiln, and can be prepared according to the use of various shapes of products, the construction process is very convenient.

  3. Monolithic refractories in use mostly rely on machinery to carry out construction, greatly reducing the use of manpower and waste.

  4. The construction method of site construction makes it have good integrity and air tightness.

  5. In the case of damage, repair is very convenient, can be used as furnace lining repair materials.

  6. Monolithic refractories of the factory floor area is small, do not need molding and firing process, energy consumption is very little, low investment and operating costs.

  7. Monolithic refractory can obviously reduce the variety and quantity of special-shaped brick, facilitating material preparation and construction.

  8. Monolithic refractory lining of good integrity, improve the strength and air tightness, reduce heat loss.

  9. The monolithic refractory is equipped with metal or ceramic anchors, or reinforced with stainless steel fiber, which can improve the resistance to mechanical vibration and thermal shock, and can also repair the damaged part locally.

  10. Monolithic refractories are easy to store and transport, which is beneficial to the mechanization of furnace construction. Only the construction management must be strict, otherwise it will affect the physical and chemical properties and life of furnace lining. Sometimes monolithic refractories are made into prefabricated components for use.

 

Characteristics of monolithic refractories

  1. The production process is simple, the production cycle is short and the labor productivity is high.

  2. Strong adaptability, use is not limited by the industrial kiln structure shape, can be made into any shape.

  3. Good integrity, good air tightness, large thermal resistance, can reduce the heat loss of industrial furnace, save energy.

  4. It is convenient for mechanized construction and saves labor and time.

  5. For the damaged industrial furnace lining is easy to repair with monolithic refractories, prolong the service life of the lining body, reduce the consumption of refractory materials. Therefore, monolithic refractories have gradually replaced most of the fired refractories and have been widely used in the metallurgical industry using monolithic refractories in a high proportion.

 

The monolithic refractory is wet or semi-wet or dry, which is composed of refractory aggregate (aggregate and powder), binder and admixture with certain granule grade. It can be directly used to construct or repair the lining body of an industrial kiln.


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