Solutions To Improve The Production Capacity Of Jaw Crusher

2020-12-03 10:49:15

Summary:OverviewProduction capacity is the quantitative index to measure the processing ability of jaw crusher. The production capacity of jaw crusher directly affects

Overview

Production capacity is the quantitative index to measure the processing ability of jaw crusher. The production capacity of jaw crusher directly affects the economic profits of investors. And the production capacity of jaw crusher is affected by many factors, such as the properties of raw material (hardness, size, and bulk density), type& size of jaw crusher, operation condition of jaw crusher and so on. And the low production capacity is mainly caused by the low discharging capacity. In this article, we mainly introduce some solutions to improve jaw crusher production capacity.

 

Solutions To Improve Jaw Crusher Capacity

Adopt Proper Nip Angle

The nip angle means the included angle between movable jaw plate and fixed jaw plate. According to calculation, the max nip angle can reach to 32°, but in the actual production, the nip angle is generally between 18°-20°, smaller than 25°. If the nip angle is too large, the raw materials in crushing cavity will be squeezed out of the cavity, which may hurt operators or damage other auxiliary equipment. At the same time, with the increasing of nip angle, the crushing ratio also increases, but the production rate will decrease.

In the actual production process, we can change the size of nip angle by adjusting the discharge opening according to requirements about the final products size. In this case, under the premise of ensuring the final products size, we should adjust the discharge opening. While adjusting the discharge opening, operators should pay attention to the relation between crushing ratio and production rate.

 

Properly Increase The Revolutions Of Eccentric Shaft

In certain range, properly increase the revolutions of eccentric shaft can also improve the production capacity of jaw crusher, but it will also increase the energy consumption for crushing per unit raw material. If the rotation speed is too fast, the crushed raw materials in crushing cavity will not have enough time to be discharged, which will cause the blocking of jaw crusher. In this case, the production capacity will decrease, but energy consumption will increase. From this we can see that, proper revolution of eccentric shaft is very important.

 

Change The Shape Of Movable Jaw Plate

Through dynamics and physics principle analysis, in order to improve the production capacity, we can change the shape of movable jaw plate, making the nip angle in the lower part as 0 while the nip angle of the upper part stays the same. In this case, the original crushing cavity is divided into two parts: crushing cavity and discharging cavity. The raw materials get crushed in the crushing cavity and discharged from the discharging cavity. Raw materials pass through in unit time increase, the production capacity also gets improved.

 

Pay Attention To The Spare Parts

In jaw crusher, eccentric shaft, connecting rod, movable jaw plate, fixed jaw plate, scale board are the main wear-resistant parts, operators should pay attention to the lubrication and maintenance of these parts. Once found damage, operators should repair or change the worn parts timely in order to keep the high production capacity of jaw crusher.

 

By optimizing the shape of movable jaw plate or discharge opening, we can optimize the crushing cavity, enhance improve the discharge capacity and production capacity. At the same time, operators should also lubricate or maintain the related spare parts and optimize the related parameters in order to improve the production capacity.

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