Factors affecting the Stability of Vertical Roller Mills2020-04-01

Summary´╝ÜFactors Affecting Stability of Rolling Distance of Vertical Roll MillWhat are the factors that affect the stability of the roll distance of the vertical roller

Factors affecting the Stability of Vertical Roller Mills

Factors Affecting Stability of Rolling Distance of Vertical Roll Mill

What are the factors that affect the stability of the roll distance of the vertical roller mill? The main working part of the vertical mill is the grinding roller. The crushing effect is mainly controlled by the rolling distance of the grinding roller. The stable rolling distance means that the grinding effect is guaranteed. Therefore, the key factor among the many factors affecting the performance of the vertical roller coal mill It is the stability of the roll distance of the mill, and there are also many factors that affect the stability of the roll distance of the vertical roller mill, such as the design of the structure of the grinding clutch clutch, the choice of material, and the guarantee of processing accuracy.

Vertical Mill Crushing Equipment

Vertical mill is a kind of crushing equipment, which is widely used in mining crushing, pulverized coal preparation, chemical industry and other industries. Vertical roller mills have been around for many years. There are many factors affecting the output of vertical coal mills, but especially The important thing is to control the stability of the rolling distance of the rolls. In combination with the years of experience in the crushing and grinding of Mine Industries, we can proceed from the following aspects.

Vertical Mill

1. Use the self-weight of the grinding roller of the large vertical mill and limit the position of the screw. The core of this method is to design a limit screw on the fast roller bearing seat, and adjust the position of the limit screw to ensure the value of the rolling distance. The rotation angle is used when the slow roll is rolled, and the grinding roller rolls over the support point to self-lock. The position depends on the downforce caused by the own weight of the grinding roller to reduce the rolling distance.

2. Use eccentric self-locking and limit screws. This method uses the limiter screw of the vertical mill to limit the angle of the swing arm and indirectly controls the rotation angle of the roller bearing seat, that is, the control of the rolling distance. The eccentric wheel on the rotation support point of the slow roller bearing seat rotates over the self-locking Position, to ensure that the rolling distance does not increase under the action of the grinding force, and the closed force system of the screw and the self-locking mechanism is realized in the self-locking area, so that the rolling distance is controlled within the rigid limit.

3. Use the cylinder ejection force of the vertical mill and limit the screws. This design has high requirements for the ejection force of the cylinder and high requirements for the stability of the air source. The cylinder always works with a large and stable ejection force. The 1m mill requires a cylinder diameter of 80mm or more and an air source pressure of 0.7 ~ 0.8Mpa.

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