According to Liu Bing of China National Metallurgical Coking Technology Co., Ltd., a 2 million-ton coking enterprise, for example, includes CDQ and coal moisture control devices. The total investment of the project is about RMB 1.65 billion, and the total investment of the equipment is about RMB 1.1 billion. The total investment of the control system is about 85 million yuan, accounting for 4%-5% of the total project investment and 7%-9% of the total investment in equipment.
As of the end of 2010, China has put into production and construction of 159 sets of CDQ equipment, dry quenching coke capacity of 158.77 million tons, accounting for China's 2010 iron consumption of coke consumption of 57.4%. According to the forecast of 120 million tons of new production capacity (through replacement) in the “Twelfth Five-Year Planâ€, it is estimated that 140 new CDQ units will be built by the end of 2015, with an investment of 21 billion yuan, of which equipment automation investment will be about 1.5 billion yuan.
At present, China only has 5 sets of coal moisture control devices put into production, the total capacity of 7.25 million tons, accounting for only 1.4% of China's total production capacity. Liu Bing said that the coal moisture control technology will be widely promoted during the “Twelfth Five-Year Plan†period. It is conservatively expected that 50 coal moisture control devices will be built during the “Twelfth Five-Year Plan†period, with an investment of 5 billion yuan, of which investment in meter automation will be about 300 million yuan. .
The single girder Gantry Crane is mainly used outdoor working site for hoisting and moving of materials. It has the advantages of simple structure, convenient transportation and installation, light self-weight, and the main girder is mostly a derailed box-shaped frame structure. Single girder gantry crane is usually used for lifting weight ≤ 50 t and the span ≤ 35 m.
Single girder gantry crane legs can be L- and C-type. The L-type single girder gantry crane is easy to install, stable structure, light slef-weight. However, the space for lifting cargo through the legs is relatively small. The C-shaped legs are made of a slanted or curved shape with the purpose of having a large lateral space for the goods to pass through the legs.
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