At present, the number of enterprises verified by non-ferrous metals industry is 168. From the industrial distribution point of view, the number of enterprises has been approved and issued to lead and zinc smelting, lead smelting, copper smelting and aluminum smelting more; from the provincial distribution, Yunnan Province has the largest number of nuclear enterprises, overall, mostly distributed in North China. As the non-ferrous metal industry is a major energy consumer, and with the implementation of the new environmental protection law, the operating costs of environmental protection facilities gradually increased. In recent years, the non-ferrous metals industry has a large stock of assets, related mining, smelting and production enterprises have gradually generated new business needs, such as reducing production costs, improving product quality, enhancing labor productivity, shortening the delivery cycle, energy conservation and emission reduction.
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Applicable industries: nominal output of non-ferrous metals industry: 85 tons
Through the statistical analysis of the customer cases of the central boiler, it can be seen that the DHX series circulating fluidized bed boilers with high combustion efficiency and low pollution emission are widely used in the non-ferrous light metal enterprises because of their huge energy consumption, high fuel cost and increasing awareness of environmental protection. For example, in a 17.5 KT battery-grade lithium carbonate enterprise, the technicians of ZOZEN boiler have recommended one DHX series circulating fluidized bed boiler of 50 tons and 35 tons each for steam supply in production.
1. the combustion efficiency of the equipment is high.
Due to the intense mass and heat exchange in the fluidized bed, the unburned coal particles can be circulated for many times, which can increase their residence time in the furnace and facilitate the full combustion of the fuel.
2. fuel adaptability
DHX circulating fluidized bed boiler can burn not only bituminous coal, lignite and other combustible coal, but also anthracite and other non-combustible coal. The waste slag can be used comprehensively. The carbon content of the slag is generally less than 2%, and the biomass fuel such as bark and garbage can also be burned.
3. low pollution emissions
DHX type circulating fluidized bed boiler can obtain desulfurization rate as high as 80%-90% under the appropriate calcium-sulfur ratio and limestone particle size; at the same time, because of the lower combustion temperature, the nitrogen oxides produced by this type of boiler are far lower than those produced by pulverized coal boiler, so the emissions of sulfur dioxide and nitrogen oxides are lower.
ZOZEN has references in various industry all over the world. In past 10 years, over 12850 customer cases have been achieved.
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