A method and device for online magnetic resonance multiphase flow detection

DENG Feng,XIONG Chunming,CHEN Shiwen,CHEN Guanhong,WANG Mengying,LIU Huabing,ZHANG Jianjun,LEI Qun,CAO Gang,XU Dongping,TAO Ye,XIAO Lizhi

Table 1 Main design parameters and indicators of MRMF.

Parameter/ indicator Value Parameter/ indicator Value Dimension 2.0 m×0.6 m× 0.7 m Range of flow measurement 2-200 m3/d Weight 500 kg Range ratio 100:1 Pipe diameter Φ40 mm, Φ50 mm Oil holdup range 0-100% Explosion proof Ex d IIB T6 Gb Water holdup range 0-100% Protection IP63 Gas holdup range 0-100% Power 200 W Average relative error of liquid measurement 5% Working voltage 220 V (AC) Average relative error of gas measurement 10% Temperature -50 to 80 °C