水泥工艺学试题1（Cement technology examination questions 1）.docVIP

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水泥工艺学试题1（Cement technology examination questions 1）.doc

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水泥工艺学试题1（Cement technology examination questions 1）

水泥工艺学试题1（Cement technology examination questions 1） The Miller test Completion 1. The operation control of various mill systems is summed up as follows: the preparation before the start of the car and the operation of stopping and opening, allowing the mill to run and the conditions that can not be running and the inspection work in operation. 2, limestone, clinker and other materials must have a certain inventory reserves, should generally meet more than 4 hours of production needs. 3. What are the items that need to be checked before the mill is driven? 4, the normal driving sequence is reverse flow boot. 5 start the gear reducer and main bearing lubrication pump and other lubrication system before the mill starts. 6, the mill under normal circumstances of the parking order is, first opened the device after the stop, after the start of the first stop equipment. 7, the new or after the overhaul of the mill, the mill must be no grinding body and materials in the case of empty test run, its running time shall not be less than 18 hours. 8. Inspection during ball mill operation includes inspection of feeding system, inspection of grinding and transmission parts, inspection of lubrication system, and inspection of operation of auxiliary equipment. 9. In practice, the basis of adjusting feed quantity can be adjusted according to the change of grinding sound. The electric ear is used to detect the grinding sound and control feed, and the feed quantity is adjusted according to the fineness of the grinding mill. 10 the factors influencing drying grinding operation are the main form of lining plate, grinding media grading and load, speed of mill, cyclic loading rate, separation efficiency, material moisture content and particle size, the volume of feed, hot air temperature and velocity etc.. 11. Before drying the mill, preheat the mill first. When stopping, stop the hot air first, then stop feeding and stop grinding at last. 12, the full grinding (stuffy grinding, full grind