pompes de traitement de boue

Drainage pumps, commonly referred to as sump pumps or dewatering pumps, play a crucial role in managing water levels in various environments. These versatile machines are designed to remove accumulated water in areas where it shouldn't be present, ensuring that spaces remain dry and free of flooding. Understanding how drainage pumps work, their types, and their applications can help homeowners and businesses make informed decisions regarding their water management needs.


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It is important to know that the shape of the sand has an important impact on the surface finish of the casting. Circular sand is better than triangular sand because the triangular sand has a large gap, which is easy to lead to defects such as porosity; According to the nature of the casting, the sodium silicate quartz sand is selected to form a spalling layer, and combined with the characteristics of cooling and shrinkage of the casting, the surface defects are reduced. Coating a protective layer on the surface of large castings, such as the film on a coated sand mold, can improve the surface finish of the sand mold and reduce the surface defects of the casting.  

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