Impact of the rotary kiln’s length and type

Kiln type specificati*** and length to diameter ratio of clinker http://www.chinadjkj.com/product/list4/hzy.html  calcination has a great influence on the quality, in one length adjust rotary kiln, appearance, can cause the remaining reflect the distortion process, production, equipment, repair and operation load.

Similarly, as a coherent cement kiln heat c***umption is also a http://www.chinadjkj.com/news/jswx/237.htmltopic we should explore . Coal-fired rotary kiln burning to control the excess air coefficient is generally about 1.10 to 1.15 , in order to control the oxygen concentration in the exhaust gas kiln at about 2 % to 3% for the better, that is, micro- oxidizing atmosphere to maintain operati***, if the excess air ratio control over low , lack of secondary air , easily lead to a reducing atmosphere to produce , kiln appeared reducing atmosphere , will produce CO gas and CO clinker Fe2O3 component is reduced to FeO, the impact of clinker com***ition and viscosity of the liquid , the impact of clinker sintering, easy to produce a large yellow heart clinker , but also waste heat and coal c***umption , which affects improve clinker quality.

Kiln kiln specificati*** affect the aspect ratio has a greater impact onhttp://www.chinadjkj.com/news/jswx/235.html clinker quality , such as Nissan 2000 t*** precalciner L / D tends to be short some of the current design in order to design control in about 10 to 11 manufacturers more, this will help to improve the quality of clinker , mainly due to the low aspect ratio corresponding to shorten the length of the kiln short transition , help improve clinker heating rate, but also shorten the precalciner kiln system at low temperature burning raw material aging time , in favor of f-CaO clinker C2S and timely integration into the liquid and C3S clinker formation and crystallization , also have an impact on the quality of the diameter of clinker formation of more favorable quality clinker kiln , general think of large diameter smaller than the diameter of the kiln clinker kiln conducive to improving the quality , partly because of the large kiln when using high- SM ingredients, high KH ingredients , SM control in 2.8 ~ 3.2, KH control 0.88 to 0.92 , and a large diameter of the large coal-fired kiln kiln sprayed into the flame temperature is high, some even up to 2000 ℃, still more than double the high ingredient clinker can be sufficient, good quality.

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