Study on On-line Calorific Value Analyzer of Natural Gas
To meet the requirements of heat value analysis and energy metering for natural gas at small and medium-sized industrial user ends,an online natural gas calorific value analyzer has been designed.This analyzer utilizes NDIR+TDLAS technology to measure the components of natural gas,including CH4 and CnHm.Upper computer software has been designed to convert the natural gas components into calorific value,enabling real-time measurement of the calorific value of natural gas.Experimental test results show that the average relative error of the device is 0.246%.Compared with traditional calorific value detection equipment,this device offers the advantages of simplicity,low cost,and real-time accessible test results.It meets the needs of small and medium-sized industrial users for natural gas calorific value results and has good practical significance and promotional value in gas operation.
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