Mining, construction, and wastewater treatment are just a few of the industries where hydraulic submersible slurry pump is an essential piece of equipment. Because these pumps are made to handle corrosive and abrasive slurries, the materials they are made of are very important to how well they work and how long they last.

High Chromium Alloy

High chromium composite is a popular choice for the impeller and other course through bits of hydraulic submersible slurry pump in light of its phenomenal wear impediment. This material typically contains 25 to 28% chromium and has a surface layer of chromium oxide to protect it from abrasion and corrosion. The material's wear resistance is further enhanced by the arrangement of hard carbides created by the material's high chromium content.

There are a number of benefits to using high-chromium alloy slurry pump components. By significantly increasing the service life of the pump parts, it reduces the need for frequent maintenance and replacement. This is especially useful when dealing with extremely abrasive slurries, like those used in dredging or mining projects. Second, the material's resistance to wear and corrosion makes it suitable for a wide range of slurry compositions, including those with varying pH levels.

Regardless of its unrivaled wear obstruction, high chromium compound may not be the most ideal decision for all applications. In significantly disastrous circumstances, various materials might be more sensible. In addition, the cost of a high chromium combination may be higher than that of other options, which may affect the overall cost of the siphon.

Stainless Steel

Tempered steel, especially grades 304 and 316L, is one more typical material utilized in hydraulic submersible slurry pump. Because of their outstanding resistance to corrosion, austenitic stainless steels are ideal for handling a variety of corrosive fluids.

Nickel and chromium make up approximately 8-10.5% of Type 304 stainless steel. A wide range of corrosive media, including numerous organic and inorganic chemicals, are well-susceptible to this composition. It is frequently used in shafts, pump casings, and other components that need to be strong and resistant to corrosion.

On the other hand, stainless steel of type 316L has slightly more molybdenum and slightly more nickel (10-14 percent). Molybdenum increases its resistance to pitting and crevice corrosion, particularly in chloride-rich environments. This goes with 316L a fantastic decision for siphons utilized in seawater applications or other chloride-rich conditions.

While stainless steel is more resistant to corrosion than high-chromium alloys, it is important to note that its wear resistance is typically lower. As a result, stainless steel components may require more frequent replacement or additional safeguards in applications involving highly abrasive slurries.

High Chromium White Cast Iron

Another material that is frequently utilized in the flow-through components of hydraulic submersible slurry pump is white cast iron with a high chromium content. Most of the time, this material has 20-28% chromium and 2-3.5% carbon. In the iron matrix, the high chromium content and the carbon combine to form hard chromium carbides, giving the material excellent wear resistance.

The microstructure of high chromium white cast iron comprises of chromium carbides scattered in a martensitic network. Because of its superior wear resistance and hardness, this structure is ideal for handling abrasive slurries. The material's presentation in opposing wear frequently outperforms that of high chromium compound, particularly in applications including huge, hard particles.

White cast iron with a high chromium content has some drawbacks. It very well may be fragile and powerless to affect harm, which might be a worry in applications including enormous, hard particles or where the siphon could encounter unexpected effects. In addition, while it is resistant to a variety of corrosive substances, its corrosion resistance is typically lower than that of stainless steel.

Polyurethane

Polyurethane has become increasingly popular as a material for lightweight hydraulic submersible slurry pump, particularly those used for the pump body and impeller. Polyurethane is a polymer that can be used in a variety of ways and can be made to resist corrosion and wear.

There are a number of benefits to using polyurethane in slurry pump components. First and foremost, it is significantly lighter than alternatives made of metal, which can be advantageous for portable or temporary pumping purposes. Second, polyurethane often outperforms metals in certain applications due to its superior abrasion resistance. This is because, in contrast to harder materials, it is able to absorb and dissipate energy from impacting particles.

Polyurethane is suitable for a variety of corrosive environments because it is resistant to a wide range of chemicals. However, its chemical resistance is not universal, and compatibility with the pumped slurry must be carefully checked.

Polyurethane's lower temperature resistance compared to metal alternatives is one of its main drawbacks. The majority of pump polyurethane formulations have a maximum operating temperature of 70-80 °C, which may not be enough for some high-temperature applications.

Hydraulic Submersible Slurry Pump For Sale

Tianjin Kairun is a manufacturer that offers custom hydraulic submersible slurry pump options to meet specific requirements. We can provide custom specifications upon request, ensuring that each pump meets the specific requirements of its intended application.

Changing the material, capacity, head and other performance parameters of the pump are examples of customization. Users can use this flexibility to optimize their pumping system for maximum efficiency and service life, potentially reducing long-term operating costs.

If you are looking for a hydraulic submersible slurry pump manufacturer, Tianjin Kairun welcomes your request at catherine@kairunpump.com. Our team can provide detailed data on their product range and customization options to help you find the best pump for your specific application.

References

1. Karassik, I. J., Messina, J. P., Cooper, P., & Heald, C. C. (2008). Pump handbook (4th ed.). McGraw-Hill Education.

2. Tian, H., Zhang, Z., & Parkinson, G. (2019). A review of wear-resistant materials for slurry pump in mining industry. Tribology International, 140, 105881.

3. Gülich, J. F. (2020). Centrifugal pumps (3rd ed.). Springer.

4. Bong, J. H., & Choi, Y. D. (2018). Numerical study on the flow characteristics of a submersible slurry pump. Journal of Mechanical Science and Technology, 32(4), 1639-1648.

5. Wang, W., & Kweon, Y. C. (2020). Wear-resistant materials for slurry pumps: A review. Wear, 450-451, 203228.