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New structure of mill main engine

A new type of main engine technology, applied in the direction of grain processing, etc., can solve the problems of long downtime of the main mill, affecting the production efficiency of the mill, and complicated maintenance of the main mill, so as to shorten the maintenance process, ensure stability, increase The effect of service life

Pending Publication Date: 2019-10-15
广西桂林航大重工机械有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] To sum up, the overhaul of the main mill is complex, cumbersome and labor-intensive, resulting in long downtime of the main mill, which indirectly affects the production efficiency of the mill

Method used

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  • New structure of mill main engine
  • New structure of mill main engine
  • New structure of mill main engine

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Embodiment Construction

[0028] The technical solutions of the present invention will be further described below in conjunction with the embodiments shown in the accompanying drawings.

[0029] The new structure of the mill main engine of the present invention includes a base, a return air box 3, a cover cylinder 1 and a classifier 2, the base is installed on the base 16, and the return air box 3 is supported and installed on the base 16 by a bracket and enclosed in the On the base, the tangential air inlet 17 on the air return box 3 communicates with the evenly distributed air inlets on the side of the base. One side of the inner ring of the ring plate 3-2 is installed on the top of the base by screws (coaxial with the hole of the base), and one side of the inner ring of the lower ring plate 3-3 is installed on the step at the bottom of the base by screws (coaxial with the base hole). hole coaxial), the coaming plate 3-4 is coaxially welded between the outer ring side of the upper and lower ring plat...

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Abstract

The invention discloses a new structure of a mill main engine. The structure comprises a base, a cover cylinder and a grader. An air returning box is arranged on the base in a surrounding manner, a ring plate is arranged on the top of the air returning box, the cover cylinder comprises two semi-circle cover bodies, the two semi-circle cover bodies are connected with a locking mechanism I through ahinge mechanism, lower circle openings of the two semi-circle cover bodies are arranged on the ring plate in a sleveing manner and subjected to banding through a hoop, the grader is supported and mounted through a rack, a lower opening of a cover shell of the grader is in abut joint with upper circle openings of the two semi-circle cover bodies, and axial fastening is achieved through locking mechanisms II arranged between the grader and the two semi-circle cover bodies. A portal frame is arranged beside the cover cylinder, and is arranged on horizontal guide rails, on the two sides of the cover cylinder, on the rack in a rolling manner, the span of the portal frame is larger than the diameter of the cover cylinder, the height of the portal frame is smaller than the lower opening of the cover shell of the grader and higher than a grinding roller frame in the cover cylinder, a grinding ring can be easily replaced, a grinding roller assembly can be easily overhauled, the overhauling work proceed can be greatly shortened, the shutdown time of a pulverizer is reduced, and the production efficiency is improved.

Description

technical field [0001] The invention relates to the internal structure of a pulverizer, in particular to a novel structure of a mill host. Background technique [0002] The mill is one of the most widely used equipment in the grinding equipment. The working principle of the main mill is to rely on the centrifugal force generated by the grinding roller in the grinding roller device during the revolution to rotate and roll on the grinding ring of the base. , Grinding the material (metal or non-metallic ore) between the contact surface of the grinding roller and the grinding ring (grinding zone). [0003] The grinding roller device is installed in the cover cylinder and installed on the main shaft of the main engine through the grinding roller frame. The cover cylinder is installed on the base, the classifier is installed on the cover cylinder, and the cover body of the cover cylinder is respectively provided with a feeding port. And it is equipped with a maintenance observati...

Claims

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Application Information

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IPC IPC(8): B02C15/08B02C23/30B02C23/00
CPCB02C15/08B02C23/30B02C23/00
Inventor 谭开强覃锵
Owner 广西桂林航大重工机械有限公司
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