CAJ | 학술논문

对微小固体颗粒在密相气力输送情况下进行试验，研究输送压力最高可达0.5 MPa的输送过程中，输送系统的罐压、背压和粉量调节阀的开度以及流化风量和载气流量分别对固气比的影响。结果表明：差压增大会导致固气比增大；粉量调节阀开度增大，有助于固气比提高；适当增大流化风量或载气流量可提高固气比，达到峰值后，固气比会随着流化风量或载气流量的增大而减小，固气比达到峰值时对应的流化风量、载气流量为最佳值。
대미소고체과립재밀상기력수송정황하진행시험，연구수송압력최고가체0.5 MPa적수송과정중，수송계통적관압、배압화분량조절벌적개도이급류화풍량화재기류량분별대고기비적영향。결과표명：차압증대회도치고기비증대；분량조절벌개도증대，유조우고기비제고；괄당증대류화풍량혹재기류량가제고고기비，체도봉치후，고기비회수착류화풍량혹재기류량적증대이감소，고기비체도봉치시대응적류화풍량、재기류량위최가치。
Experiments of dense-phase pneumatic conveying of tiny solid granule with air were carried out in an experimental facility with the conveying pressure up to 0.5 MPa. The influences of the tank pressure, the back pressure, the opening degree of regulating valve, the fluidization air flow rate, the carrier gas flow rate on the solid-gas ratio were investigated. The test results indicate that with the increases in total conveying pressure drop or the opening degree of regulating valve, the solid-gas ratio increases, with the increases in fluidization air flow rate or the carrier gas flow rate, the solid-gas ratio increases at first and then declines. When the solid-gas ratio is max, the corresponding fluidization air flow rate or the carrier gas flow rate are the optimal.