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分两路从燃油锅炉加热炉的排出烟气中在线采集烟气样。一路烟气经除油干燥后，用红外分析仪连续检测CO2和CO的体积浓度；另一路烟气进催化炉补燃，燃尽样气中的碳粒和油蒸气，经除水干燥后，用红外分析仪连续检测补燃烟气中的CO2体积浓度；最后将两路采样测得的CO2和CO体积浓度值代入由本文推导得到的燃烧效率计算公式进行计算，即可得出燃油器的燃烧效率。与静态采样分析法相比，在线补燃分析法的优点是：测试方便、迅速、准确性高，既可测某一瞬时也可测试指定时间范围内的最大、最小与平均的燃烧效率值。
Flue gas samples were taken online from the exhaust fumes of the oil fired boiler furnace in two separate ways. All the way after the flue gas is degreased and dried, continuous detection of the volume concentration of CO2 and CO by the infrared analyzer; the other flue gas into the catalytic converter makes up the combustion, and the carbon particles and the oil vapor in the sample gas are exhausted, Using infrared analyzer continuous detection of make-up flue gas CO2 concentration; the final two-way sampling of CO2 and CO volume concentration values into the calculated by the calculation of the combustion efficiency calculation formula, you can come to the fuel Combustion efficiency. Compared with the static sampling analysis, the advantage of online afterburning analysis is that the test is convenient, rapid and accurate. It can measure the maximum, minimum and average combustion efficiency values within a specified time range at one instant.