期刊
ELECTRICAL POWER & ENERGY SYSTEMS, PTS 1 AND 2
卷 516-517, 期 -, 页码 1022-1027出版社
TRANS TECH PUBLICATIONS LTD
DOI: 10.4028/www.scientific.net/AMR.516-517.1022
关键词
airlift; air injector; injection angle; mass flow of solid particles; lifting efficiency
In order to investigate the air injection method on the performance of an airlift. For this purpose an air lift system with a riser 2000 mm long and 80 mm in diameter, was designed and tested. Seven different air injection methods were used at a constant submergence. The experimental results showed a marked effect on the airlift performance when operated with different air injection methods. The arrangement of five nozzles gives the best performance, and the one nozzle is the worst. Although the injection angle has a little effect on the airlift performance, but view the general conclusions as a whole, the best lifting efficiency can be obtained when the angle of the nozzle placed along the tangential direction of pipe wall is equal to 100 at a given air flow rate QG = 37m(3)/h.
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