In order to improve the combustion conditions, maximize the carbon burnout for low--NOx firing systems and meet the requirements for ignition and flame stabilization as low volatile and low quality coalare burned in b...In order to improve the combustion conditions, maximize the carbon burnout for low--NOx firing systems and meet the requirements for ignition and flame stabilization as low volatile and low quality coalare burned in boilers, finer pulverized coal should be used. Hence, it is of great practical importanceto study the rotary type classifier for the MPS type medium-speed mill. In this paper, we first reviewthe low-NOx combustion technology, then some model tests of rotating classifier are completed. Theresults show that the classifier performances are very satisfactory, with the fineness of the finishedproduce being Rf90< 10%. Rules for designing and controlling rotating classifier are also developed inthis paper.展开更多
文摘In order to improve the combustion conditions, maximize the carbon burnout for low--NOx firing systems and meet the requirements for ignition and flame stabilization as low volatile and low quality coalare burned in boilers, finer pulverized coal should be used. Hence, it is of great practical importanceto study the rotary type classifier for the MPS type medium-speed mill. In this paper, we first reviewthe low-NOx combustion technology, then some model tests of rotating classifier are completed. Theresults show that the classifier performances are very satisfactory, with the fineness of the finishedproduce being Rf90< 10%. Rules for designing and controlling rotating classifier are also developed inthis paper.
