How does the crushing equipment break the ore?

The crushing equipment also plays an indispensable role in the mineral processing equipment. How the crushing equipment in the mineral processing equipment breaks the ore, and there are not only one type of crusher used in the daily production of the mineral processing industry, but also many kinds.

There are so many crushing equipment on the market, are they using the same crushing method? The crushing machines used in the market now have the following five crushing principles:

1. Crushing: The ore is placed between two crushing surfaces. After applying pressure, the ore is broken due to the compressive stress reaching its compressive strength.

2. Crushing: When the ore is pressed with a flat surface and a sharp-edged working surface, the ore will split in the direction of the pressure line of action. The reason for the splitting is that the tensile stress on the splitting plane reaches or exceeds the tensile strength limit of the ore. The tensile strength limit of the ore is much smaller than the compressive strength.

3. Breaking: The ore is destroyed by bending. The broken ore is the two points or multiple points that bear the load. When the bending stress in the ore reaches the bending strength of the ore, the ore is broken.

4. Grinding: After a certain pressure and shearing force is applied between the ore and the moving surface, the ore is crushed when the shear stress reaches the shear strength limit of the ore. Grinding is inefficient and energy intensive.

5. Impact crushing: The ore is broken by the impact force of the high speed and the rotating parts. Its crushing force is instantaneous, its crushing efficiency is high, the crushing ratio is large, and the energy consumption is small.

In fact, any type of crushing equipment on the market does not use a single crushing principle to break down minerals. Generally, two or more methods are combined to crush, especially impact crushing, which is used more and the effect is good, and is also a necessary crushing device in the current beneficiation equipment.

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