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The reasons and solutions for the large mud content of mechanism sand

2024-12-30 Visits:

The excessive mud content of the mechanism sand leads to a decrease in the adhesion and water retention of the concrete mixture, which in turn affects the strength, durability, frost resistance and other properties of the concrete.In severe cases, it may cause cracks, leakage, or even collapse of the concrete structure.


The reason for the large mud content of mechanism sand

1. Poor quality of raw materials: If the raw materials contain a lot of sediment, impurities, etc., it will directly affect the quality of the mechanism sand.Good-quality raw materials should be selected, such as stone with hard rock, no weak interlayer, and no soil and other harmful substances.

2. The crushing process is unreasonable: improper setting of the crushing process parameters, such as the speed of the crusher and the size of the discharge port, may cause the mechanism sand to contain more sediment.The crushing process should be optimized to ensure the stability of the crushing effect and improve the quality of the mechanism sand.


3. Screening and cleaning are not in place: the screening equipment and process settings are unreasonable, which may cause the sediment content in the mechanism sand to be too high.Reasonable screening equipment and technology should be set up to ensure the particle size distribution and particle shape of the mechanism sand.Cleaning equipment, such as sand washing machines, are used to clean the mechanism sand to remove sediment and impurities from the sand and gravel, and improve the quality of the mechanism sand.

4. Poor dust control: In the process of crushing, screening and cleaning, if the dust control measures are not in place, it may cause the dust to mix into the mechanism sand and increase the sediment content.Effective dust control measures should be taken, such as the use of dust collectors, spray dust reduction, etc., to reduce the impact of dust on the quality of machine sand.

sand making  machine

In view of the above reasons, the following measures can be taken to solve the problem of large mud content of finished mechanism sand:

1. Optimize raw materials: choose high-quality raw materials and avoid using raw materials that contain too much impurities, sediment and organic matter.

2. Optimize the crushing process: adjust the parameters such as the speed of the crusher and the size of the discharge port to ensure the stability of the crushing effect and improve the quality of the mechanism sand.


3. Improve the screening and cleaning technology: set up reasonable screening equipment and technology to ensure the particle size distribution and particle shape of the mechanism sand.Cleaning equipment, such as sand washing machines, are used to clean the mechanism sand to remove sediment and impurities from the sand and gravel, and improve the quality of the mechanism sand.

4. Strengthen dust control: take effective dust control measures to reduce the impact of dust on the quality of machine sand.


5. Increase quality inspection and control: Establish a perfect quality inspection and control system to test the particle size distribution, particle shape, stone powder content, sediment content and other indicators of mechanism sand to ensure that the quality of mechanism sand meets relevant standards and requirements.



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