CAJ | 학술논문

利用超声扫频法和超声相位差法研制了氮氢比在线超声测定仪，说明了仪器的测量原理及组成结构，测试了仪器的性能。结果表明，该测定仪氮氢气体比例的测量误差＜0．1％、测量周期＜0．5s ；与工业生产中现行的工业气相色谱仪法相比，不仅同样具有检测灵敏度高的优点，而且还具有可实时测量、测量应用范围广、无损安全检测的特点，既满足了合成氨工业精确连续测量氮氢比的要求，又为其他二元流体的高精度实时测量提供了新思路。
이용초성소빈법화초성상위차법연제료담경비재선초성측정의，설명료의기적측량원리급조성결구，측시료의기적성능。결과표명，해측정의담경기체비례적측량오차＜0．1％、측량주기＜0．5s ；여공업생산중현행적공업기상색보의법상비，불부동양구유검측령민도고적우점，이차환구유가실시측량、측량응용범위엄、무손안전검측적특점，기만족료합성안공업정학련속측량담경비적요구，우위기타이원류체적고정도실시측량제공료신사로。
The online ultrasonic analyzer for measuring nitrogen-hydrogen proportion was developed by using ultrasonic frequency sweep method and the ultrasonic phase shift method .The working principle as well as structure of the analyzer was described ,and the instrument performance was tested .The result shows that the analyzer measurement error of the proportion of nitrogen-hydrogen can be controlled within 0 .1% ,and the measurement period is less than 0 .5s .Compared with gas chromatograph ,it is the analyzer which has not only advantages of high detection sensitivity and real time measurement , but also characteristics of wide measurement range and non-destructive safety testing .As a result ,it meets the requirements of industrial ammonia accurate continuous measurement of nitrogen-hydrogen ratio .What’s more ,it also opened up new avenues for the high precision real time measurement of other binary fluids .