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

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    Sharing Development Opportunities, Zoomlion Pump Makes Appearance at China-Africa Economic and Trade Expo

    2025-06-18

    Sharing Development Opportunities, Zoomlion Pump Makes Appearance at China-Africa Economic and Trade Expo

    The year 2025 marks the 25th anniversary of the Forum on China-Africa Cooperation (FOCAC) and is also the inaugural year for implementing the outcomes of the 2024 FOCAC Beijing Summit. This year commemorates the 25th anniversary of FOCAC, under whose guidance China-Africa relations have achieved leapfrog development. China has established strategic partnerships with all 53 African countries with diplomatic ties, trade volume between China and Africa has increased nearly 30 times, and Chinese investment in Africa has grown nearly 100 times, bringing tangible benefits to the peoples of China and Africa.

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    Causes and Solutions for the Fluctuating Speed of Self-Balancing Multi-Stage Centrifugal Pumps for Mining Applications

    Causes and Solutions for the Fluctuating Speed of Self-Balancing Multi-Stage Centrifugal Pumps for Mining Applications

    In this article, Changsha Zhonglian Pump Industry, a manufacturer of multi-stage pumps for mining applications, combines the structural features of self-balancing mining pumps with the operational characteristics of mining environments to provide an in-depth analysis of the causes behind the fluctuating speeds of self-balancing multi-stage centrifugal pumps used in mining and offers practical solutions. This analysis serves as a valuable technical reference for equipment maintenance and operation in mining enterprises.

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    2025-12

    Reasons for the Failure to Start a Wear-Resistant Multistage Pump for Mining Applications and Corresponding Solutions

    Reasons for the Failure to Start a Wear-Resistant Multistage Pump for Mining Applications and Corresponding Solutions

    In practical applications, if a wear-resistant multistage centrifugal pump for mining experiences difficulties in starting—such as failing to respond upon startup, shutting down immediately after starting, or tripping due to excessive starting current—it is essential to systematically troubleshoot the root cause by examining each component of the equipment’s core system and adopting targeted measures tailored to the specific characteristics of mining environments. Below, technical engineers from Changsha Zhonglian Pump Industry, a manufacturer of multistage pumps, share the common causes and solutions for the failure of wear-resistant multistage pumps used in mining to start successfully, for reference by user organizations.

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    2025-12

    Analysis of the Six Main Causes of Insufficient Head in Self-Balancing Multistage Pumps

    Analysis of the Six Main Causes of Insufficient Head in Self-Balancing Multistage Pumps

    In actual operating conditions, some users may encounter the issue of the pump’s actual head being lower than the design expectation. This not only affects the completion of pumping tasks but may also increase energy consumption and equipment wear. Based on the structural characteristics of self-balancing multistage pumps and industry experience, the following are six key reasons for insufficient head in self-balancing multistage pumps, as summarized by technical engineers from Changsha Zhonglian Pump Industry, a manufacturer of such pumps. These insights are provided for reference by user organizations.

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    2025-12

    Key Operating Points, Maintenance Standards, and Safety Precautions for Horizontal Multistage Chemical Pumps Used in Petrochemical Industry

    Key Operating Points, Maintenance Standards, and Safety Precautions for Horizontal Multistage Chemical Pumps Used in Petrochemical Industry

    Mastering the correct operating procedures for horizontal multistage chemical pumps used in the petrochemical industry is a crucial prerequisite for ensuring stable production in the sector. Below, Changsha Zhonglian Pump Industry, a leading manufacturer of multistage pumps, has compiled key operational guidelines, maintenance standards, and safety precautions for professional horizontal multistage chemical pumps used in the petrochemical industry, for reference by user organizations.

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    2025-12

    Working Principle and Comprehensive Guide to Common Models of Single-Stage Centrifugal Pumps

    Working Principle and Comprehensive Guide to Common Models of Single-Stage Centrifugal Pumps

    From a structural perspective, single-stage centrifugal pumps are further divided into single-suction single-stage centrifugal pumps (also known as end-suction pumps) and double-suction single-stage centrifugal pumps (also known as mid-open pumps). In this article, Changsha Zhonglian Pump Industry, a manufacturer of centrifugal pumps, will introduce the working principles of single-stage centrifugal pumps and provide a comprehensive overview of commonly used models, helping users gain a thorough understanding and make informed selection decisions.

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    2025-12

    How to Select Valves for Chemical Pumps? A Comprehensive Guide to Valve Selection for Chemical Pumps: Systematic Selection Principles Based on Process Conditions

    How to Select Valves for Chemical Pumps? A Comprehensive Guide to Valve Selection for Chemical Pumps: Systematic Selection Principles Based on Process Conditions

    The selection of valves for chemical pumps is directly linked to the safety, stability, and operational efficiency of chemical production. The core principle is to achieve precise matching based on the specific operating conditions, thereby avoiding failures such as leakage, wear, and blockage caused by improper valve selection. In this article, Changsha Zhonglian Pump Industry, a manufacturer of chemical pumps, will, drawing on real-world scenarios from the chemical industry, break down—from key perspectives—how to properly select valves for chemical pumps.

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    2025-12

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