Rotary kilns are widely used in many production industries such as building materials, metallurgy, chemical industry, and environmental protection. Kiln support roller, thrust roller, girth gear and bearing are the main accessories of rotary kiln. Following tips are the detailed introduction of rotary kiln accessories.
1.
Rotary kiln support roller device: The supporting roller device is divided into two types: with and without thrust rollers. A set of supporting roller devices includes two supporting roller sets and a supporting roller base. Some supporting roller devices also have a thrust roller set. , The supporting roller set includes the supporting wheel, the supporting roller shaft and the supporting roller bearing. The supporting roller is the load-bearing device of the rotary kiln barrel, so the tug is a component that works under heavy load conditions. The supporting roller of the rotary kiln is mainly composed of a tug, a shaft and a retaining ring on the shaft. When the supporting roller moves due to the axial movement of the kiln body, the supporting roller can be supported on the top of the bronze bearing bush by the retaining ring.
2.Rotary kiln thrust roller: The thrust rollers are installed on both sides of the rotary kiln rolling ring, mainly to indicate and appropriately prevent the axial movement of the cylinder. There is generally only one pair of thrust rollers, which are clamped on both sides of the rolling ring. The distance between the two sides of the rolling ring is determined by the allowable axial movement distance of the cylinder to ensure the contact between the rotary kiln rolling ring and the supporting roller. It can also be installed on the rotary kiln cylinder. Both ends function as sealing devices.
3.
Rotary kiln large girth gear: The cylinder of the mechanical transmission rotary kiln is covered with a large girth gear, which is generally located in the middle of the rotary kiln. The large girth gear is driven by a small gear located on the civil foundation of the transmission device. The general structure of mechanical transmission is that the main drive motor drives the main reducer, and then drives a pair of open gears. After multiple speed changes, the small gear connected to the large ring gear can be driven at the required speed, so that the large girth gear drives the The rotation of the kiln body can meet the requirements of process operations.
4.Rotary kiln bearings: Rotary kiln bearings generally use sliding bearings with thin oil lubrication and water cooling tubes. Considering the possible bending of the cylinder, the sudden increase in load on the supporting roller and the harsh working environment of the supporting roller, the rotary kiln's bearings must have a large safety factor and good lubrication, sealing and water cooling. In order to adjust the axial movement of the cylinder, the supporting roller bearing of the rotary kiln must be made adjustable and movable so that the supporting roller can move in the horizontal direction.
Rotary kiln accessories are an important part of
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