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  YanKuang group and east China university of science and the joint development much nozzle to the type coal-water slurry gasifier gasification burner online feeding technology recently awarded the United States and South Africa invention patent. This is our country the coal chemical technology in foreign get first invention patent.

  So far, this new type of CWS gasification technology has made more than 30 domestic and foreign patent, a domestic enterprises in 23 put into use, operation and building the gasifier to 65 units, with daily total about 80000 tons of coal, accounting for domestic coal-water slurry gasification 60% market share, for our country the coal chemical enterprise save patent fees 1 billion yuan of above. According to the statistics, nowadays, with each year about 100 million tons of coal gasification, if all adopt the technology, patent fees can save only 15 billion yuan.