Intelligent Portable Flue Gas Analyzer for Industrial Boiler Emissions Monitoring

Ensuring Boiler System Efficiency and Compliance with Emissions Standards

Whether it’s a water-tube boiler, fire-tube boiler, or marine boiler, the combustion process inevitably produces CO and NOx. As emissions limits become increasingly stringent, accurate emissions measurement has become an essential step prior to commissioning, maintenance, and official inspections. The Intelligent Portable Flue Gas Analyzer MS700 simultaneously measures O₂, CO, NO, NO₂, SO₂, CO₂, temperature, pressure, and flow rate, helping to quickly assess combustion efficiency and the excess air ratio to ensure the system complies with flue gas loss limits and emission requirements.

Industrial Boilers: From Monitoring to Optimization

For gas-, coal-, and biomass-fired boilers, optimal air-fuel ratio is key to achieving stable combustion across a wide range and low emissions. Experienced service engineers know that precise coordination between the blower, ductwork, and controller is essential. Whether the burner controls airflow or fuel feed, real-time monitoring of oxygen levels in the flue gas is a prerequisite for reliable operation.

The Intelligent Portable Flue Gas Analyzer determines the air-fuel ratio by correlating O₂ and CO readings. The CO measurement range covers standard operating conditions and can be extended upward, providing sufficient sensitivity to detect peak levels of incomplete combustion in coal or biomass fuels. If O₂ deviates from the optimal range and CO rises simultaneously, this indicates insufficient air supply. Immediately fine-tune the blower frequency or fuel valve opening to restore the excess air coefficient to the ideal value. Simultaneously measure flue gas temperature, pressure, and velocity, and calculate flue gas heat loss based on CO₂ levels to optimize grate speed and air distribution zones, resulting in significant energy savings—with a combined gas and coal savings rate of 3% to 10%.

Environmental Compliance: A Mobile Benchmark for Accuracy

When used for monitoring fixed pollution source discharge points, the intelligent portable flue gas analyzer directly samples and measures SO₂, NO, and NO₂ concentrations with an accuracy of ±3% of the reading, meeting standards such as HJ/T 397 and enabling on-site determination of exceedances. As a reference standard for CEMS comparison, its O₂ accuracy can sensitively detect oxygen sensor drift, while synchronous comparison of all parameters allows for rapid verification of data validity. Additionally, the intelligent portable flue gas analyzer automatically records measurement points, timestamps, and all parameters. Reports can be exported with a single click, creating traceable compliance records that support emissions permit applications, environmental inspections, and clean production audits.

Key Parameters of the Intelligent Portable Flue Gas Analyzer at a Glance

Measured Parameters: O₂, CO, NO, NO₂, SO₂, CO₂, temperature, pressure, flow rate

Measurement Ranges: O₂ 0–25% Vol; CO 0–10,000 ppm (expandable to 400,000 ppm); NO 0–5,000 ppm

Accuracy: O₂ ±0.01% Vol; CO ±5% of reading; NO/NO₂/SO₂ ±3% of reading