How to Maintain the Mechanical Bar Screen
1. Energy Consumption Analysis
The energy consumption of the mechanical bar screen mainly comes from the motor drive and the backwashing system. Taking the rotary drum type as an example:
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Motor Power: 1.5 kW, operating 24 hours per day, with an electricity cost of approximately 1.5 × 24 × 0.8 CNY ≈ 28.8 CNY/day (based on an electricity rate of 0.8 CNY/kWh).
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Backwash Water Consumption: Approximately 1%–3% of the treated water volume. A recovery system is recommended to minimize water wastage.
2. Maintenance Costs
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Filter Screen Replacement Cycle: Stainless steel mesh lasts approximately 2–3 years, while wedge wire screens can exceed 5 years.
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Cleaning Frequency: Typically 2–4 automatic backwashes per day, depending on water quality and contamination levels.
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Spare Parts Wear and Tear: Annual maintenance costs for components such as bearings and seals are approximately 5%–8% of the equipment’s original value.
Intelligent Control: The Key to Improving Management Efficiency
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Automatic Backwashing: Triggered in real-time based on differential pressure sensors, eliminating the need for manual intervention.
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Data Monitoring: IoT-based platform for tracking processing capacity, filter screen condition, and energy consumption.
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Fault Alerts: Automatically shuts down and sends an alarm when the filter screen is clogged or the motor is overloaded.
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Kris
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