Cupola is the main domestic and foreign casting production of melting equipment. The energy consumption of the melting part accounts for about 70% of the total energy consumption of the castings. In the cupola smelting process, the use of microcomputer control and manual control compared to the amount of coke can save 10% -15%, and access to pure molten iron and the appropriate hot metal hot temperature. Microcomputer control products in a number of foundry manufacturers use, to achieve significant energy saving effect. Using cupola dedicated high-pressure centrifugal blower, compared with Roots blower, can save 50% -60%. At present, the thermal efficiency of the cupola is generally 24% -34%.
Casting production kiln electric drum energy consumption second only to the melting furnace, about 20% of the total energy consumption. On a variety of heating furnace, drying furnace, annealing furnace transformation, from the furnace structure to the combustion technology, as well as new technology, the use of new technologies, constantly innovation.
Refractory fiber is nearly 10 years popular new energy-saving materials. The use of refractory fiber, the transformation of existing industrial furnace is simple, less investment, energy saving effect is remarkable. Refractory fiber with high temperature, low thermal conductivity, heat capacity, thermal insulation and chemical stability and a good series of excellent performance. Using it can reduce the loss of heat loss and heat loss, energy saving 20% ??-40%.
In addition, the coal-fired industrial furnace coal, oil-cooled electric drum with mechanical coal and hand coal compared to the coal is regular, uniform, reducing the gas, solid incomplete combustion heat loss, can save 20% The On the core drying furnace and other furnace using far infrared drying technology, drying speed, baking thousands of good quality, can save about 30% -40%.

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