Burnt Lime Manufacturing Process Machine Common Fault
1. Hammer Failure
The crushing function of lime is mainly realized by the series of impact, impact, shearing and extrusion of the hammer head and the lining of the Burnt Lime Manufacturing Process Machine and the lime. The hammer head is the main wearable part. After a certain period of work, the working surface of the hammer head will be damaged, and the surface shape will change. At this time, the gap between the hammer head and the lining plate (generally required to be less than 10 mm) is increased. The friction generated between each other is greatly reduced, which is the main form of wear failure of the hammer.
Solution: The failure of the hammer is inevitable and can only improve the effective use time of the hammer as much as possible. First of all, we must ensure the accuracy of the lime entering the Burnt Lime Manufacturing Process Machine, and avoid the damage of the metal head and other debris into the Burnt Lime Manufacturing Process Machine to damage the hammer or the liner. Secondly, wear-resistant materials such as high-carbon manganese alloy cast steel or high-wear materials such as cast iron are used as the material of the hammer head to improve the wear resistance coefficient of the hammer head and reduce the number of replacements. It is also possible to achieve this by adjusting the hammer. The technical parameters of the crusher also affect the service life of the hammer, the main one being the power and speed of the rotor. They are not only related to the production capacity of the crusher, but also to the degree of impact hardening of the hammer. The hammerhead has a good degree of impact hardening and its service life is prolonged. It is found that the hammer head wears out seriously and needs to be replaced or repaired in time to ensure the normal capacity of the broken lime.
2, Bearing Problems
Bearing damage is mainly caused by unbalanced installation of the rotor or bearing, aging of the bearing seal, ash powder after wear, local stress during high-speed operation of the rotor, insufficient bearing lubrication and other factors. Restricted by the working environment and working mode, it is required to adopt the specified matching factor; when installing, pay attention to the balanced installation of the rotor. Generally, a bearing with strong bearing capacity and good self-aligning performance is used as the rotor bearing. The calculated life of the selected bearing should be It is suitable for 5000-10000h.
Solution: Due to the working environment and working mode limitation of the Burnt Lime Manufacturing Process Machine, the matching requirements of the bearing outer ring and the bearing housing hole and the bearing inner ring and the journal are different from those of the common equipment, and the required matching factor is required. Also pay attention to the balanced installation of the rotor during installation. It is necessary to regularly lubricate the bearings to ensure that the metal lumps do not enter the Burnt Lime Manufacturing Process Machine, so that the rotor and the bearings are partially damaged by the force, which may cause damage to the hammer. In addition, it is necessary to pay attention to the replacement of the hammer head with serious failure, so as to avoid different centrifugal force generated by the hammer head of different quality during high-speed operation, so that the rotor and the bearing are unbalanced and wear during operation.
In addition, the overheating condition of the Burnt Lime Manufacturing Process Machine bearing is mainly caused by insufficient grease, excessive grease, deterioration of grease, and bearing damage. First, check whether the grease is sufficient. Regularly add a proper amount of grease. The standard grease should be filled with 50% of the bearing housing volume. Secondly, pay attention to the daily cleaning and maintenance of the bearing and replace the grease. Replace the bearing if it is severely worn.