Key technologies of new dry-process cement production mean new pre-heater & calciner, 4-channel burner and clink burning system consisting of the technology and equipment of the third generation grate cooler with its serial product in the following scales 1300t/d, 1500t/d, 1800t/d, 2500t/d, 3200t/d, 5000t/d and 6000t/d, almost covering all the scales of domestic new dry-process production line burning system. The techno-economic indicators of the operating production lines rank first in China with certain operating performance and techno-economic indicators in the lead.
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