This explosion-proof control cabinet is designed for safe and efficient operation of condensation-evaporation systems in chemical plants. It integrates PLC Smart Line 1000, variable frequency drives (VFDs), sensors, and monitoring instruments to ensure precise control, energy savings, and real-time process monitoring.

Key Functions

1. Intelligent Control & Automation

  • PLC Smart Line 1000
    • Centralized logic control for pumps, valves, and heat exchangers.
    • Pre-programmed sequences for startup, shutdown, and emergency protocols.
    • Modbus RTU/TCP communication with SCADA for remote supervision.
  • Variable Frequency Drives (VFDs)
    • Adjust motor speeds of condensate pumps/fans based on load demand (20–50% energy savings).
    • Soft-start functionality to reduce mechanical stress on equipment.

2. Real-Time Monitoring & Safety

  • Sensors & Instruments
    • Temperature/Pressure Transmitters: Monitor heat exchanger conditions (e.g., ±0.5% accuracy).
    • Flow Meters: Track condensate/steam rates (e.g., Coriolis or magnetic types).
    • Level Switches: Prevent tank overflows or dry-running risks.
  • Explosion-Proof Design (Ex d IIC T6)
    • Certified for hazardous zones (e.g., ATEX/IECEx).
    • Pressurized enclosure with gas detection interlocks.

3. Operational Modes

  • Auto Mode: Fully automated process control with PID tuning for optimal heat transfer.
  • Manual Override: Local HMI (touchscreen) for maintenance or troubleshooting.
  • Alarm Management: Audible/visual alerts + SMS notifications for critical faults (e.g., high pressure).
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