Nested combined sealing device for rotary kiln riding wheel bearing

Abstract

The invention relates to a nested combined sealing device for a rotary kiln riding wheel bearing. The nested combined sealing device comprises the riding wheel bearing, a bearing end cover, a riding wheel shaft, a shaft sleeve, a protective cover, a fan, a V-shaped sealing ring, a gap adjusting base plate, a double-lip kiln sealing ring, a protective cover end cover and a lower conical hopper. The device has the beneficial effects that a complete sealing protection system is formed by nesting the double-lip sealing ring, the V-shaped sealing ring and the protective cover, leakage of lubricating oil can be effectively prevented, rainwater and dust can be prevented from permeating into the riding wheel bearing, the sealing effect is improved, and the service life of the riding wheel bearing is prolonged. And the lubricating oil thrown out by rotation of the towing wheel shaft can be recycled, so that the environment is purified, the economic loss is reduced, the failure rate of the equipment is reduced, a powerful guarantee is provided for normal operation of the rotary kiln equipment, and the device is particularly important today when green environmental protection is advocated.

Description

technical field [0001] The invention relates to the technical field of equipment sealing, in particular to a nested combined sealing device for rotary kiln support wheel bearings. Background technique [0002] With the continuous increase of the demand for active lime, the active lime rotary kiln equipment is also constantly developing and innovating, and the corresponding requirements for the sealing performance of the equipment are also constantly improving and perfecting. The supporting wheel bearing is used to support the supporting wheel shaft and the supporting wheel connected to it, and the supporting wheel is used to support the weight of the rotary part of the entire rotary kiln. The supporting wheel bearing is the general term for the bearing base and bearing cover of the supporting wheel. The lubricating method of the supporting wheel shaft is thin oil lubrication, and the cavity of the bearing base is filled with lubricating oil. [0003] The sealing of the sup...

AI Technical Summary

Problems solved by technology

At present, the supporting wheel bearing seal mainly adopts skeleton oil seal, and the supporting wheel will produce axial slippage during the operation of the kiln body, and long-term operation will cause the wear and tear of the supporting wheel shaft seal to fail, resulting in oil leakage

Once the oil leaks and the oil is not replenished in time, it may cause the temperature of the supporting wheel shaft to rise, and even damage the supporting wheel shaft and bearing bush, resulting in the shutdown of the rotary kiln

The leaking lubricating oil will also corrode the concrete foundation of the rotary kiln and pollute the environment, and the price of lubricating oil is generally more expensive, resulting in greater direct economic losses

In addition, rainfall or external dust will also seep into the bearing from the gap of the seal, causing oil pollution and affecting the lubrication effect

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