The impact on the system running rotary kiln technology
About kiln we are not unfamiliar, this is mainly composed of local mining machinery, the species is also very common, currently in mining machinery, according to a large proportion. This is mostly intermediate device cement production line, the process has a great impact on the operation of the entire production line.
(1) the system air leakage attention. System leakage is restricted predifferentiated kiln system full play to compare the effectiveness of a major factor. Systems have internal leakage and leakage of the primary external leakage: first and foremost within the lock valve leakage destruction initiatives working, lock wind lax; external leakage is back to save the primary cyclone hole levels, cutting pipe ash valve shaft, each level convergence flange pipe preheater cover, each measuring point, kiln seal leakage, etc..
(2) concern for the flame. Adjust the burner status, once inside air and outside air ratio guarantee superior flame shape, good burning zone temperature control, should be based on the type, structure and functional characteristics of the burner, accurate positioning adjustment (not necessary guarantee flame invasion expected, there is enough space for burning), and based on coal quality situation, the system main fan to pull air, secondary air calm wind, accurate adjustments within a wind, wind outflow ratio, flame guarantee a smooth, superior appearance, there is sufficient the heat intensity, in order to facilitate constant firing. Every day to see the fire kiln, the firing with sticky material, brought up with the kiln wall beyond the pulverized coal burner height and shiny white flame, clinker end grain is too large to clarify the kiln temperature is too high; if the material divergence , powder ones, flame dark, pale yellow or yellow, to clarify burning zone temperature is low. At any time concerned about the kiln leather case, guarantee its average, the same, the length of fit.
(3) for raw materials and fuels concern. Suitable raw material fineness, reasonable, unchanged, to optimize the ratio of raw material can guarantee constant kiln operation of the system, but also to guarantee high quality clinker. A high degree of slack, but not all of the results of the superior strength of the raw material variability, help predifferentiated system temperature and pressure change. Low moisture, finer pulverized coal combustion rate is conducive to progress, with plenty of pulverized coal combustion, calcination temperature progress, guarantee heat and clinker raw material required for differentiation.