| 吕本伟.重型浆包加压机液压系统节能改造的技术实践[J].中国造纸,2026,45(8):216-221 |
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| 重型浆包加压机液压系统节能改造的技术实践 |
| Energy-saving Modification Practice of Hydraulic System for Heavy-duty Pulp Bale Presses |
| 收稿日期：2026-01-26 修订日期：2026-03-26 |
| DOI：10.11980/j.issn.0254-508X.2026.08.023 |
| 关键词: 变频调速 液压系统 节能改造 |
| Key Words:variable-frequency speed regulation hydraulic system energy-saving modification |
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| 摘要:为满足企业降本增效需求，实现节能减排目标，本研究采用变频调速控制系统对浆包加压机液压站的传统变量泵系统进行节能改造，以转速3 000 r/min变频电机和排量125 mL/r齿轮泵替代原有转速1 500 r/min普通电机和排量250 mL/r变量柱塞泵，并对该技术方案的节能降本成效和工程应用情况进行评价。结果表明，变频系统后，浆包加压机液压系统和电力系统的运行稳定性和性能可靠性有较大提升，设备装机功率大幅降低，运行耗电量减少38%~43%，且系统组成结构简化，液压系统采购成本降低约33.9%；同时，变频技术降低了电机启动对电网和液压系统的冲击，减小了系统运行噪声。 |
| Abstract:To meet enterprise demands for cost reduction and efficiency improvement， and achieve the goals of energy conservation and emission reduction， this study conducted energy-saving modification on the traditional variable displacement pump system of the hydraulic system for pulp bale presses by adopting a variable frequency speed regulation control system. The original 1 500 r/min conventional motor and 250 mL/r variable displacement piston pump were replaced with a 3 000 r/min variable frequency motor and a 125 mL/r gear pump， and the energy-saving and cost-reducing effects as well as the engineering application performance of this technical scheme were evaluated. The results showed that after changing to the variable frequency system， the operational stability and performance reliability of the hydraulic and power systems of the pulp bale presses were significantly improved. The installed power of the equipment was drastically reduced， and the operating power consumption decreased by nearly 38%~43%. With a simplified system structure， the procurement cost of the hydraulic system decreased by approximately 33.9%， Meanwhile， the variable frequency technology reduced the impact on the power grid and hydraulic system when the motor starts， and lowered the noise generated by the system operation. |
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