如何提高振动筛的安全和效率？国外企业这样做……

如何提高振动筛的安全和效率？国外企业这样做……

编者按

中国砂石协会协会融媒体中心联合国际部推出“全球砂石专题”，定期编译国外最新砂石资讯和技术进展，以及国外砂石行业的经验成果、标准规范等，以飨砂石同仁！

今天分享国外企业提高振动筛安全和效率的策略。

国外企业提高振动筛安全和效率策略分享

振动筛是骨料加工厂不可缺少的部件，具有制备、物料分级和脱水等关键功能。为了保证这些系统的效率和耐用性，长期养护是必不可少的。本文提供了关于在骨料加工厂维护振动筛的见解。

激振器换油

为了维护振动筛激振器的性能和寿命，坚持定期换油是必不可少的。建议每运行800小时或按照制造商的指导方针更换一次机油。这种做法确保了最佳的励磁器性能，最大限度地降低了昂贵的故障和维修风险。

使用制造商指定的油类型对于有效润滑和保护振动筛激振器内的齿轮组和轴承至关重要。制造商根据其设备的具体需求选择油类型，忽略这些建议可能会危及性能和机器寿命，并可能导致设备损坏。

更换振动筛激振器中的油时，必须遵循正确的程序以确保旧润滑油完全排出。首先打开放油塞，让激振器完全排空油。在某些情况下，为了彻底排空油，可能需要通过打开注油塞来释放压力。在添加新油之前彻底清洁并牢固地拧紧放油塞对于保持系统的完整性至关重要。

运行期间激振器外壳内的升高温度可作为需要更换机油的指标。耗尽或降解的油会失去润滑性能，导致摩擦增加和发热。使用耗尽的油运行激振器会对齿轮组和轴承造成重大风险，可能导致昂贵的维修和停机。

Vibrating screens are indispensable components in aggregate-processing plants, serving critical functions such as preparation, material sizing and dewatering.

To guarantee the efficiency and durability of these systems, consistent maintenance is imperative. This article offers insights about maintaining vibrating screens in aggregate processing plants.

Exciter oil change

To uphold the performance and longevity of vibrating screen exciters, adhering to a regular oil change schedule is imperative. Changing the oil every 800 hours of operation or in accordance with the manufacturer’s guidelines is recommended. This practice ensures optimal exciter performance, minimizing the risk of costly breakdowns and repairs.

Using the manufacturer-specified oil type is critical for effective lubrication and protection of the gearset and bearings within the vibrating screen exciters. Manufacturers select oil types tailored to their equipment’s specific needs, and deviating from these recommendations can jeopardize performance and longevity, potentially leading to damage.

When replacing oil in vibrating screen exciters, proper procedures must be followed to ensure complete drainage of old lubrication. Start by opening the drain plug to allow the exciter to fully empty the oil. In some cases, releasing pressure by opening the fill plug may be necessary for thorough drainage. Thoroughly cleaning and securely fastening the drain plug before adding fresh oil is essential to maintain the system’s integrity.

Elevated temperatures within the exciter housing during operation serve as an indicator of required oil changes. Exhausted or degraded oil loses its lubricating properties, causing increased friction and heat generation.

Operating exciters with depleted oil pose a significant risk to the gearset and bearings, potentially resulting in costly repairs and downtime.

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悬架弹簧

悬挂弹簧在振动筛中发挥着关键作用，可以减轻重力振动并防止振动传递到筛基和设备结构中。为了确保高效运行并防止过早磨损，定期检查和维护这些弹簧是必不可少的。建议对悬架弹簧进行例行检查，并在发现任何破损迹象时立即更换。随着时间的推移，持续振动和大量使用会导致磨损和破损。

定期检查使操作员能够及时识别损坏或磨损的弹簧，确保最佳性能。

清洁悬架弹簧周围的区域同样重要。积累的材料可能会过早磨损弹簧并妨碍其正常功能。定期清洁可以防止此类问题，确保弹簧不含可能影响其性能的碎片或物质。

更换振动筛一角的悬挂弹簧时，必须同时更换另一角的弹簧。这种做法可以保持振动筛平衡和稳定性，保证适当的支撑和功能。成对更换弹簧可确保持续发挥预期性能。

如果悬挂弹簧故障频繁发生，则应检查工厂地板钢材的水平度。随着时间的推移，地面沉降或持续的振动力可能会导致地板钢材不均匀。这种情况会对振动筛性能产生不利影响，并导致悬挂弹簧磨损增加。操作员可以使用运输工具或水位等工具评估地板钢的水平度，以识别和纠正任何问题。

Suspension springs

Suspension springs play a pivotal role in vibrating screens, mitigating g-force vibrations and preventing their transmission into the screen base and plant structure.

To ensure efficient operation and prevent premature wear, regular inspection and maintenance of these springs are indispensable. Routine inspection of the suspension springs and immediate replacement upon detecting any signs of breakage are advised. Continuous vibrations and heavy usage can lead to wear and breakage over time.

Regular inspections enable operators to identify damaged or worn springs promptly, ensuring optimal performance.

Cleaning the area surrounding the suspension springs is equally important. Accumulated material can prematurely wear the springs and impede their proper function. Regular cleaning prevents such issues, ensuring that the springs remain free of debris or substances that could compromise their performance.

When replacing suspension springs on one corner of the vibrating screen, it’s imperative to replace the springs on the opposite corner simultaneously. This practice maintains screen balance and stability, guaranteeing proper support and function. Pairwise spring replacement ensures continuous performance as intended.

If suspension spring failures occur frequently, the levelness of the plant’s floor steel should be examined. Over time, ground settling or consistent vibration forces may lead to uneven floor steel. Such conditions can adversely affect vibrating screen performance and cause increased wear on the suspension springs. Operators can assess floor steel levelness using tools like a transit or water level to identify and rectify any issues.

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结语

为了最大限度地提高骨料加工中振动筛的性能和使用寿命，定期检查和维护至关重要。实施一致的检查计划，并为操作员提供有关基本维护任务的适当培训，以最大限度地减少停机时间并优化性能。通过遵循本文中介绍的这些提示，操作员可以实现高效操作并延长振动筛的使用寿命。

文章来源：Elgin Separation Solutions的营销和品牌管理总监Raymond Pietramale

Final thoughts

To maximize the performance and lifespan of vibrating screens in aggregate processing, regular inspection and maintenance are paramount.

Implement a consistent inspection schedule and provide operators with proper training on essential maintenance tasks to minimize downtime and optimize performance.

By adhering to these tips presented in this article, operators can achieve efficient operation and extend the vibrating screens’ longevity.

Raymond Pietramale is director of marketing and brand management at Elgin Separation Solutions.

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编者后记

对于砂石行业来说，随着经济下行，从增量市场进入存量市场，企业面临市场需求不足、产能过剩、生存困难的严峻形势，各国砂石及装备产业的发展进入深度调整时期，减量优化、集约高效、绿色低碳高质量发展是未来的主要方向，向可持续发展转型迫在眉睫。

经中国砂石协会理事会与多国相关协会和组织共同商议，定于2023年12月5日—7日，在中国上海召开第八届中国国际砂石骨料大会（点击查看大会通知）。在国际议题方面，会议将邀请欧洲、北美、新西兰等国家和地区有关专家学者，就世界砂石及装备行业市场供需情况和发展态势进行探讨，共商投资机遇，欢迎参加！

来源：中国砂石协会翻译整理