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The carbon black industry based on technology
Mentioned above the production of carbon black, people often associated with high pollution, high energy consumption such words. However, the current domestic consumption of carbon black produced an average of only t: 380 kWh of electricity, water, 5 tons, 1.4 tons of steam, 231 kilograms of standard coal conversion, while the generation of exhaust energy has become in a common operation for most companies. the carbon black industry and think there are people in high-pollution, mining and energy intensive.
In the past due to backward technology, together with the carbon black feedstock consumed in large industrial coal black, once considered a high-pollution industries with high energy consumption. As the century 80 years ago, a single furnace production capacity from 2,000 to 3,000 tons of small, large, only 5,000 tons. At that time the production of one ton of carbon black feedstock consumed by more than 3 tons. Since the process back no bag filter installation, dust contamination, workers in large, tend to become white shirt, black and the surrounding trees were blackened. Since the mid 80's, the gradual introduction of new technology of furnace carbon black business of tonnes, the filter device sleeves, and use exhaust gas energy generation, so that the oil consumption of raw materials was reduced to 1.8 to 2.0 tonnes.
Using carbon wet granulation of black carbon black can improve the collection, use and expansion of the glass fiber needle felt high quality fiberglass yarn body bag, so the filtration efficiency of 99.5% ~ 99.8%, control carbon black dust content of 18 mg / cubic meters in the chimney to take the white smoke that black is below the level Ringelmann. To this end, the end of the 90 carbon, black industry, proposed the elimination million tonnes below furnace, the change from dry to wet granulation granulation slogans. However, in 2002, is the pollution of China's carbon black, the process behind one million ton / year of carbon black in dry granulation also accounted for more than half.
With the company in recent years, awareness environmental protection, the business of carbon black carbon black in the new device commonly used by the blast furnaces of a single volume, granulation methods wet granulation plant dry carbon black production is now basically eliminated, 1.5 tons of fuel oil consumption of fuel has been reduced to less 1.8 tons. Tonne of black coal industry, the last two years, new technologies, devices and production capacity of carbon black a single reactor rapid increase in the size of the line of the new company's existing production capacity of one sense of the production lines carbon black, basically, to 2 million tons / year to 4 million tons / year. large-scale device not only much more of black smoke combustion of fuel oil, pyrolysis reaction process, improve product quality, increased variety of products, but also significantly reduce Unit consumption of the product, carbon black industry, the oil unit consumption of raw materials, materials companies at two years ago fell 10%.
Today, many companies in expanding production capacity of carbon black carbon black at the same time have increased the capacity of gas generation the tail, the association's member companies, 5 million tons / year or more companies have a total generating capacity of 18 million kilowatts, the whole could be generating around 1440 million kwh, folding 177,000 tons of standard coal. Many businesses owned by the station, in addition to the production, energy consumption, but also to the regional power network, or other units, an increase of economic efficiency of enterprises.
Also, many companies increased carbon black computer key – the air preheater temperature of carbon black in improving performance, reducing oil consumption of raw materials, which also has improved the reaction conditions, a sharp decrease splashing cold water on the volume, improve the value of heat extraction, increased gas exhaust gas boiler combustion stability. New Star of 2005 by Shijiazhuang Carbon Co., Ltd. 950? the first to use air preheater ultra-high temperature and then Shanxi Zhixin Chemical Co., Ltd., Shanxi founders Chemical Co., Ltd., Shanxi Hengda Chemical Co., Ltd. Shandong Huadong Rubber Material Co., Ltd. and many other Companies are increasingly being installed in 800? -950? air preheater high temperature, have achieved good operating results.
Now, products carbon black oil is the use of raw materials used in the production of ethylene by-products and coke production, coal chemicals products as feedstock to produce the carbon black industry is coal and oil, the Department of circular economy, an important part of production chain as a carbon black raw material used in the power consumption of oil should not be an assessment of energy conversion among them, and not as costs. black coal industry is the industry's coke industry and coal chemical industry and petrochemical industry, an important part of the chain, becoming transformed into low value-added products with higher value-added tires, rubber reinforcing materials indispensable agent important industry. About the Author
I am an expert from Cheap On Sales, usually analyzes all kind of industries situation, such as steel storm doors , rolling shutter door.
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