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Startup sequence for roller crusher

A roll crusher, crushing force technology, applied in the field of roll crusher, roll crusher startup sequence, can solve problems such as damage, surface damage, etc.

Pending Publication Date: 2021-06-22
METSO OUTOTEC USA INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Rollers are usually arranged with pins, bolts or similar elements on their outer surface and these pins, bolts or similar elements may be damaged by these start-up load surges
Also, during these events, the material on the outer surface of the roll between the bolts or pins, ie the surface of the roll itself, can also be damaged

Method used

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  • Startup sequence for roller crusher
  • Startup sequence for roller crusher
  • Startup sequence for roller crusher

Examples

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Embodiment Construction

[0026] The present invention will be described more fully hereinafter with reference to the accompanying drawings, in which exemplary embodiments of the invention are shown. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided for thoroughness and completeness, and to fully convey the scope of the present invention communicated to the technician. Like reference numerals refer to like elements throughout.

[0027] figure 1 A roll crusher 1 suitable for use with the invention is shown. The roller crusher comprises a roller housing 6 in which rollers 7, 8 are carried by bearings (not shown in the figure). The roll frame 6 comprises two roll frame parts 9, 10, each roll frame part is pivotally mounted to the base frame 11, and each roll frame part comprises a front roll plate 12, a rear roll plate 13 and a roller substantially parallel to the roll 7. ,...

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PUM

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Abstract

System and method for controlling the startup sequence of a roller crusher is disclosed. The roller crusher includes two generally parallel rollers that are separated by a gap where the rollers rotate in an opposite direction. During startup, the gap between the rollers is greater than the gap during normal production and a feeding arrangement is run at a speed that is lower than a normal production feed rate. The rollers are rotated at a predetermined speed that is less than the speed during normal production. Other parameters of the system are set such that material is fed over the entire length of the rollers and the no crushing force is exerted during the startup. The method and system of the present disclosure reduces the amount of stress on the rolls, frame and hydraulic system of the roller crusher.

Description

technical field [0001] The present invention relates to a crushing plant, in particular to a roller crusher in which two substantially parallel rollers (rollers) are separated by a gap and rotate in opposite directions (opposite directions), and in particular to such roller crushers. The start-up sequence of the crusher (start-up sequence, start-up sequence). Background technique [0002] When crushing or grinding rock, ore, cement clinker (clinker), and other hard materials, a roll crusher may be used that has two generally parallel rolls that rotate in opposite directions toward each other and separated by a gap. The material to be crushed is then fed into the gap where the crushing takes place. One type of roller crusher is known as a high pressure grinding roller or high pressure roller crusher. This type of comminution is described in US Pat. No. 4,357,287, where it is established that when attempting to achieve fine and / or very fine comminution of a material, it is ...

Claims

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Application Information

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IPC IPC(8): B02C25/00B02C4/42B02C4/00B02C4/02B02C4/28B02C4/32
CPCB02C4/02B02C4/286B02C4/32B02C23/12B02C4/42
Inventor B·诺尔
Owner METSO OUTOTEC USA INC
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