Exposing “Looseness” for What It Is: Zhongyun Platform Provides Precise Early Warnings of Cooling Fan Hazards

In cement production lines, cooling fans are critical equipment for maintaining thermal balance in the kiln-head area. Recently, a cooling fan at the head of a large cement clinker kiln experienced sustained vibration levels exceeding allowable limits due to loosening of the motor foundation bolts. The Zhongyun Technology Intelligent Operations and Maintenance Platform promptly issued an early warning and provided guidance to the enterprise on tightening the bolts, thereby successfully preventing cascading equipment damage that could have resulted from the foundation loosening.

1. Real-time monitoring: Detecting abnormal speed signals

On February 11, 2026, platform monitoring data indicated that the vibration velocity at the drive-end measurement point of the cooling fan motor exceeded the safety threshold, immediately triggering an alarm and simultaneously generating a diagnostic conclusion of “imbalance or foundation loosening.” The system automatically forwarded the alarm device information, affected department, severity level, and specific time stamp to the operations and maintenance team, enabling the timely detection of latent faults and providing clear guidance for subsequent corrective actions.

2. Intelligent Diagnosis and Precise Verification

Upon receiving the alarm, the Zhongyun Diagnostics team immediately conducted an in-depth analysis of the vibration data. By integrating the equipment’s structural characteristics and operating parameters, they determined that the root cause of the fault was loosening of the motor foundation. The intelligent diagnostic conclusions generated by the platform were highly consistent with the manual diagnosis, and the team recommended that the enterprise promptly shut down the equipment for inspection.

III. Planned Disassembly and Inspection: On-Site Verification and Precise Repair

Based on the platform’s diagnostic assessment, the enterprise scheduled a shutdown for equipment inspection. On-site inspection revealed significant loosening of the motor foundation bolts, which was in close agreement with the platform’s findings. Operations and maintenance personnel promptly tightened the loose bolts. Following the equipment restart, the platform’s monitoring data showed that vibration velocity at all measurement points dropped substantially, falling within safe limits; equipment operation has now stabilized, and the potential hazard has been completely eliminated.

Figure 4: On-site Equipment Fault Status Diagram

IV. Value Closed Loop: Safeguarding Core Enterprise Equipment

The successful early warning and handling of the foundation loosening fault in this cooling fan once again demonstrates the core capabilities of the Zhongyun Intelligent O&M Platform in equipment health management:

1. Continuous perception ensures no hidden risks can hide

Replacing manual inspections with 24/7 continuous online monitoring enables even latent faults to be promptly detected at their earliest stages, truly achieving “prevention before problems arise.” 2. Implement targeted measures to reduce maintenance costs and improve efficiency.

Leveraging data-driven insights and intelligent algorithms, we precisely pinpoint the root cause of failures, eliminating blind disassembly and over-replacement. This effectively reduces spare-parts consumption and downtime, ensuring that every penny spent on maintenance is put to optimal use.

3. Innovative Models for Building a Preventive System

By establishing a comprehensive closed-loop system encompassing “monitoring–diagnosis–maintenance–verification,” enterprises can shift from reactive emergency repairs to proactive preventive maintenance, thereby accelerating the digital and intelligent transformation of equipment management.

Zhongyun Technology will continue to deepen its expertise in intelligent diagnostic technologies, leveraging more advanced algorithms and more reliable solutions to deliver end-to-end intelligent O&M services that provide “precise early warnings, efficient response, and robust operational stability,” thereby helping industries achieve digitalization of equipment management and intelligent decision-making in O&M.