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

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    How to choose a brine pump for salt mining?

    Publication Date:

    2025-09-11

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    Choosing the right brine extraction pump for salt mines can save a lot of trouble. After all, the salt brine mining environment is special, and the fluids in various process stages are corrosive. Therefore, we can simply understand that a brine extraction pump is a kind of chemical pump , and the pump's performance directly affects mining efficiency and cost, so it must be carefully selected based on actual needs. In this article, the pump manufacturer Zhonglian Pump Industry shares how to choose brine extraction pumps for salt mines and from which aspects to select them, hoping to inspire users.

     

    Horizontal Multistage Centrifugal Pump

    Please click the image to learn about various models and product details of Zhonglian Pump Industry's 【Horizontal Multistage Centrifugal Pumps】.

     

    1. First, look at the material. Salt brine has high salinity and various minerals, and its corrosiveness should not be underestimated. Pumps made of ordinary materials may soon corrode, leak, and lose efficiency. Therefore, pumps with strong corrosion resistance must be selected, such as 316  stainless steel and duplex steel, which are very suitable materials that can withstand corrosion in salt brine environments and extend service life.

    2. Then look at flow rate and head. Different salt mines have different mining scales and brine well depths, so the required flow rate and head vary. If the pump's flow rate is too small, it cannot meet the mining volume; if the head is insufficient, the brine cannot be delivered to the designated location. You need to calculate the required flow rate and head parameters based on the actual mining volume, transport distance, and height, then select the pump accordingly. Generally, the commonly used pumps are centrifugal pumps . If the head is below 150 meters, use a single-stage centrifugal pump; if the head is above 150 meters, choose a horizontal multistage centrifugal pump. These are the common pump types for brine extraction.

     

    Single-stage Centrifugal Pump

    Please click the image to learn about various models and product details of Zhonglian Pump Industry's 【Single-stage Centrifugal Pumps】.

     

     

    3. Stability is also very important. Salt mine brine extraction is often continuous operation. If the brine extraction pump frequently breaks down, downtime for repairs not only delays the schedule but also incurs significant repair costs. When selecting, check whether the pump's structural design is reasonable, whether it runs smoothly, and whether it has good cooling and lubrication systems, as these all affect stable operation.

    4. Maintenance convenience must also be considered. The salt mine environment is usually complex. If the pump structure is too complicated, maintenance will be time-consuming and laborious, causing many troubles. Priority should be given to brine extraction pumps that are easy to disassemble, have few wear parts, and are easy to replace, which can reduce later maintenance costs and time.

    Zhonglian Pump Industry has many years of experience in the field of salt mine brine extraction pumps and is very familiar with the working conditions of different salt mines. They can recommend suitable models based on specific needs. Material selection and performance design are tailored to the actual requirements of salt brine mining. You can inquire for details anytime if needed.

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