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Boiler wall monitor, GM960

 
 

The GM960 boiler wall monitor is a trend measuring system for the analysis of CO and O2 at the inner boiler wall of a steam generator powered by hard coal. The CO corrosion level as well as the CO corrosion load are determined at each of up to 40 measuring points.

The CO and O2 values and the CO corrosion levels are aimed at detecting potential danger of corrosion so that immediate action can be taken against the corrosive erosion of the boiler wall. The value of the CO corrosion load represents the long term CO corrosion exposure acting on the boiler wall.

At a glance

  • Up to 40 boiler wall probes, each with one CO and O2 sensor for installation directly in the boiler wall
  • Up to 40 connection units for pressurized air, power supply and data bus
  • One master unit with fieldbus interface (Modbus) to the process control
  • Software MEPA-GM960 for graphical visualization of readings, for process control, storage of data and communication

    Your benefits

  • Online monitoring of values relevant to corrosion for the minimization of corrosive wearing off
  • Effects of adjustment of the burners and combustion air can be followed online
  • Lowering of operational costs and potentially improved safety through early warning of potential dangers caused by corrosive erosion of the boiler wall
  • Efficient location of possible problem areas of the boiler wall
  • Use of data for creation of effective maintenance and revision plans
  • Installation and commissioning possible while boiler running

    Fields of application

  • Monitoring of hard coal fired steam generators
  • Boiler monitoring in power plants and combustion plants
  • Determination of CO corrosion level and CO corrosion load
    Technical data
    Measurement principles: Zirconium dioxide sensor
    Measured values: CO, O2
    Max. number of measurands: 2
    Measuring ranges: CO: 0 ... 1 Vol.-%
    O2: 1 ... 10 Vol.-%
    Comment: Calculated values: CO corrosion level and CO corrosion load, Max. 40 measuring points in the flue gas of hard coal fired combustion plants (others on request)
    Давление процесса: -50 ... 100 hPa
    Ambient temperature: -20 ... +50 °C
    Ambient humidity: ≤80 %
    non-condensing
    Electrical safety: CE
    Enclosure rating: Connection unit: IP 54
    Analog outputs: On request
    Interfaces: RS-232 (service interface)
    RS-485
    Bus protocol: Modbus ASCII
    System components: Connection unit
    Boiler wall probe with CO and O2 sensor
    Master unit
     
     

     
     
     
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