Changsha Zoomlian Pump Co., Ltd. 长沙中联泵业股份有限公司

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    Coal Washing Pump

    Publication Date:

    2025-09-05

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    The water pump is also used in the mining process within the coal mining industry. Multistage Centrifugal Pump Besides draining water from mine shafts, after coal is extracted, various types of pumps are also used in the coal-washing process at coal preparation plants. In fact, pump applications can be found in nearly every sector related to coal production. Today, pump manufacturers… Changsha Zhonglian Pump Industry Let me introduce to everyone: Which types of pumps are used in the coal-washing process at a coal preparation plant, helping our customers gain a better understanding of the purpose and applications of these pumps in coal-processing facilities.

    Please click the image to learn about the model specifications and product details of Changsha Zoomlion Pump Industry's various [mining multi-stage drainage pumps].

     

    1. Slurry Pump: This is a widely used type of pump in coal preparation plants. It is primarily designed to handle slurry containing solid particles such as coal slag, coal fines, sand, gravel, and coal mud. For instance, in the heavy-medium coal separation process, it transports both the medium suspension—consisting of a suspension liquid enriched with heavy media like magnetite powder—and coal mud slurry. In coal slime water systems, it efficiently moves high-concentration coal mud materials, such as the underflow from thickening units. Slurry pumps must possess excellent wear resistance and corrosion resistance to withstand the demanding conditions of conveying highly concentrated, hard particulate matter.

     

    Please click the image to learn about the model specifications and product details of Changsha Zhonglian Pump Industry's various [slurry pumps].

     

    2. Centrifugal pump:

    Clean water centrifugal pump: Used for conveying clean water in applications such as cooling equipment at coal washing plants, workshop cleaning, and replenishing process water. It provides a reliable source of clean water for the entire coal washing process, ensuring smooth operation of equipment and maintaining a tidy production environment.

     

    Please click the image to learn about the model specifications and product details of Changsha Zoomlion Pump Industry's various [single-stage clear water centrifugal pumps].

     

    Multi-stage centrifugal pumps are used when higher head pressure is required to deliver liquids—such as lifting water from a lower to a higher position, like transferring it to a storage tank or elevated water reservoir, or supplying water to equipment located at significant distances. By combining multiple impellers, multi-stage centrifugal pumps can generate substantial pressure, effectively meeting diverse pumping demands.

     

    Please click the image to learn about the model specifications and product details of Changsha Zhonglian Pump Industry's various [multistage centrifugal pumps].

     

    3. Chemical pumps: If the coal preparation plant uses acidic chemicals during the coal washing process, or if materials like coal slime have inherent acidity, it is essential to employ corrosion-resistant chemical pumps for transporting the relevant liquids. These pumps are typically made from specialized, corrosion-proof materials that can withstand the erosive effects of acidic media, ensuring reliable operation and extending the pump's service life.

     

    Please click the image to learn about the model specifications and product details of Changsha Zhonglian Pump Industry's various [chemical pumps].

     

    4. Mud pump : Primarily used for conveying coal slime slurries, playing a crucial role in the handling and transportation of coal sludge. Processes such as slime thickening and filter pressing rely on slurry pumps to transfer coal sludge from one piece of equipment to another. These pumps are designed to handle the high concentration and moderate particle content of coal slime slurries, ensuring smooth and efficient transport of the material.

     

    Please click the image to learn about the model specifications and product details of Changsha Zoomlion Pump Industry's various [slurry pump] models.

     

    5. Vacuum Pump: In the coal washing process, the vacuum pump is primarily used in vacuum filtration equipment, such as vacuum filters. By creating a vacuum environment, it enables water from the coal slurry to pass through the filter cloth under the influence of a pressure difference, thereby separating the coal slime from water and producing a relatively dry coal slime filter cake.

     

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    Please click the image to learn about the model specifications and product details of Changsha Zhonglian Pump Industry's various [vacuum pump] models.

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