Analysis of common causes of blockage of sand and gravel production line

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Release time:2021-04-01

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The sand and gravel production line is a kind of special sand and gravel production equipment for the production of construction sand and stone, which is 50% energy-saving than traditional sand making machines. It can make all kinds of rocks, sandstones and river pebbles into construction sand of various sizes, with uniform sand density and high compressive strength.It is far more in line with construction requirements than natural sand and sand produced by ordinary hammer sanding machines, and can improve the quality of construction.The equipment has the characteristics of reliable performance, reasonable design, convenient operation and high work efficiency.

The sand and gravel production line is also called the stone production line, which is composed of feeder, jaw crusher, impact crusher, sand making machine, vibrating screen, belt conveyor and so on. If a piece of equipment has a problem, it will affect the output of the entire production line. If it encounters material blockage, it will damage the machine and affect the output. The common causes of blockage are as follows:

1. There is a problem with the design of the sand and gravel production line or the misoperation of the operator. In this case, the air outlet should be cleared first, the mismatched conveying equipment should be changed, and the feed rate should be adjusted to make the new sand making machine operate normally; and the skilled operator should be appointed or professional training should be provided to the operator.

2. The feed speed is too fast and the load increases, causing blockage. During the feeding process, pay attention to the change of the ammeter pointer at any time. If the feeding amount is too large, the ammeter pointer will deflection angle. If it exceeds the rated current, it indicates that the motor is overloaded, and the motor will be burned out for a long time. In this case, the material door of the high-efficiency sand making machine should be reduced or closed immediately, or the feeding method can be changed, and the feeding amount can be controlled by increasing the feeder.

3. During the feeding process, you should always pay attention to the phenomenon that the deflection angle of the ammeter pointer is too large. If it exceeds the rated current, it indicates that the motor is overloaded, and the motor will be burned if overloaded for a long time. After this happens, the material door should be reduced or closed immediately. Or change the feeding method and control the feeding amount by adding the feeder.

4. When the compound pendulum jaw crusher has a large crushing ratio during the use, the material jam is relatively serious. The jaw plate wear of the jaw crusher is mainly formed by the extrusion of the material and the jaw plate, and the relative sliding of the fixed jaw plate material and the jaw plate is also the main cause of wear. For specific materials, the determination of the jaw plate wear distribution requires further analysis of the jaw plate force distribution during crushing. If the jaw plate wear distribution can be effectively predicted, it will provide a basis for the design and selection of crusher equipment in the sand and gravel production line.It may also be that the material has a high viscosity and sticks together to cause blockage.

The above is Shuguang machinery based on years of professional experience analysis and summary of the common causes and solutions for the blockage of the sand and gravel production line, no matter what kind of reason causes the blockage, it should be solved in time.Only then can the production efficiency of the sand and gravel production line be guaranteed and the service life of the equipment in the sand and gravel production line can be extended.

As a supplier with nearly 30 years' manufacturing, Shuguang Heavy Machinery also produces and sells hammer crushers, impact crushers, vertical shaft crushers, cone crushers, compound crushers, Raymond mills, high pressure mills,powder machine, vertical mill, ultra-fine grinding machine, ball mill, double-shaft shredder and other heavy equipment crusher. Feel free to contact us for more details.
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