Check out your total gas flow out of the boiler online to support airflow optimization and improve overall combustion efficiency

Going beyond just O2 measurement for optimization by enabling accurate airflow measurement across critical boiler and duct sections.

Digital online flue gas flow measurement is here, providing continuous visibility into real-time process conditions

Dealing with large ducts: McON air is designed as vector measurement, supporting reliable airflow measurement in complex duct geometries. This enables the measurement of extremely large cross sectional areas by a multipoint measurement, improving airflow optimization across the system. Measure ducts right out of your Air Heater or into your ID Fan or scrubber for precise flue gas flow measurement.

Dealing with dust: no matter how dusty your flue gas may be, McON air uses the dust as a tracer for a high accuracy digital measurement, ensuring stable airflow measurement even in harsh environments.

Go Digital, go multipoint: the no maintenance requirements of the McON air system make it ideal for use on large duct works, where multiple flue gas flow measurement points are required. Rely on total airflow measurement for years without the need for maintenance nor recalibration, enabling long-term airflow optimization.

Learn more about McON Air

How flue gas flow measurement makes a difference in your draught fan group

Measure your ID fan flows: the flow resistance of the A and the B pass of your air heaters and bag houses might be different, resulting in imbalance and reduced airflow optimization. Accurate flue gas flow measurement helps adjust ID fans to optimize opacity and fan power consumption through omproved airflow measurement.

Measure the input into your scrubber systems: measure and control the flow into multiple scrubbers using precise airflow measurement. Very often uneven flow distribution into a scrubber system will result in higher SOx emissions and in extreme cases, lime carryover into stacks. Consistent flue gas flow measurement supportts better emission control.

Get a feeling for your air inleakage: the O2 measurement on the boiler outlet is often not representative of the true average O2. On top of that, there might be significant inleakage between the AH outlet and the ID fan. Continuous airflow measurement enables early detection and corrective airflow optimization.

Products for Air flow and Flue Gas Measurement

McON Air Compact

McON Air Portable

McON UBC

MECONTROL Coal

Savings potential by optimized flue gas flow

Save electric power: correcting gas flow distribution and balance on the ID fan level through accurate flue gas flow measurement will result in significant electric power savings, directly supporting airflow optimization strategies.

Reduce your ingress air losses: measuring accurate gas flows using advanced airflow measurementtechniques results in reduced flue gas flow demand on the ID fans.

Detect maintenance problems with your air heaters: Flue gas flow measurement downstream of the air heaters reveals imbalances between the A- and B-side air heater, allowing targeted maintenance and improved airflow optimization with substantial savings potential.

Key features:

Digital measurement: totally drift-free, no maintenance, allowing multiple airflow measurement points in hot and dusty flows online over years.

Vector measurement: measure large ducts independent from swirl and other lateral air velocities. Since honeycomb flow straighteners can`t be fitted into bulk gas ducts, vector-based flue gas flow measurement is the only reliable option for accurate airlfow optimization.

High Temperature: Measure hot gas up to 800°C with reliable airflow measurement. Usual restrictions of dP measurements, ultrasonic or hotwire anemometers at high gas temperatures do not apply to McON air digital flue gas flow measurement technology.

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Primary Air
- Application: Measure the exact amount of primary air into your pulverizer using accurate airflow measurement.
- Benefits: Have better control over coal bed depth, particle size as well as correct transport conditions of the solid fuel to the burners, directly improving coal fired power plant efficiency. Have better control over flame attachment and NOx formation supported by modern power plant instrumentation..
Secondary Air Flow
- Application: measure the combustion air flow to your windbox or your individual burners and OFA ports with reliable airflow measurement.
- Benefits: Have an exact secondary air distribution to all burners and OFA ports at all times without any drift. Avoid NOx formation, CO formation, flame impingement. Reduce hot spots in your boiler as well as slagging, contributing to higher coal fired power plant efficiency. Allow much better O2 trimming and reduce boiler losses and heat rate using advanced power plant instrumentation.
Air Flow/Flue Gas
- Application: Measure flue gas flow out of your boiler directly and drift free as part of comprehensive power plant instrumentation.
- Benefits: Measure the exact amount of boiler gas flow. Detect imbalances of flue gas flow between ID fans using accurate airflow measurement. Optimize air heater, ID fan and scrubber performance to enhance coal fired power plant efficiency.
Unburned Carbon
- Application: Measure your unburned carbon in the fly ash in real time as part of advanced power plant instrumentation.
- Benefits: Optimize your combustion efficiency by active O2 and UBC monitoring directly improving coal fired power plant efficiency. Enhance your air staging in the boiler using the UBC information in the fly ash. Optimize your fly ash sorting process by the online detection of quality ash and rejection ash supported by reliable airflow measurement.