On April 15th, MCC North were granted three authorized national patents for their 'Multi-function Sintering Rotary Forced-Air Cooler' (patent number: ZL201310598915.2), 'Sealing Device Between the Baffle and Door-Shape Cover of Special Rotary Cooler Car' (patent number:ZL 201310028891.7) and 'Material Temperature Detection and Control Device for Rotary Cooler Used to Sinter Pellet' (patent number:ZL 201310368072.7). The three invention patents form the core of the invention patent 'Multifunctional Efficient Sintering Circular-Cooler Technology' researched and developed independently by MCC North.
The sintering circular-cooler is one of the principle pieces of equipment in sintering production, used to cool the sinter. The traditional sintering circular-cooler may meet the technical requirements of sinter cooling, but in order to guarantee production efficiency the rated blast capacity and wind pressure of the cooler is far higher than the effective blast capacity and wind pressure, leading to high air leakage and motor power rates which cause huge energy waste and have adverse impacts on the atmospheric environment. In recent years, with the proven technology and wide application of circular coolercogeneration technology and an increasingly strict environmental protection standard, sintering production has placed increasingly high requirements on the structure, especially the sealing of the cooler. To this end, MCC North has developed the Multifunctional Efficient Sintering Circular-Cooler Technology, a product organically combining the traditional sintering circular-cooler with the pellet circular cooler. With effective innovation, it not only has excellent cooling capacity but also performs well in energy saving, waste heat collection and emissions reduction. This technology can be used in the construction of new projects and in upgrades to traditional sintering circular-coolers.
Multifunctional Efficient Sintering Circular-Cooler technology is currently being used in two sets of the 450m2 Sintering Machine Project of Lianfeng Steel (Zhangjiagang) Co., Ltd. contracted by MCC North. In the project, one 520m2 multifunctional efficient sintering circular-cooler is equipped with 5 700kW cooling fans. This is the first time the technology has been used in the domestic sintering industry. This equipment is currently in the process of being manufactured. It is expected to be put into use in 2015.



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