Core Chinese Journal
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Source Journal for Chinese Scientific and Technical Papers
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Volume 40 Issue 5
Jul.  2022
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YUAN Xin-hu, WANG Peng-fei, LIU Li-ming, HE Yun-chu, GONG Jing-zhong. OPTIMAL SELECTION OF NOZZLES FOR AIR-ASSISTED DUST SUPPRESSION SPRAYERS[J]. ENVIRONMENTAL ENGINEERING , 2022, 40(5): 171-177. doi: 10.13205/j.hjgc.202205025
Citation: YUAN Xin-hu, WANG Peng-fei, LIU Li-ming, HE Yun-chu, GONG Jing-zhong. OPTIMAL SELECTION OF NOZZLES FOR AIR-ASSISTED DUST SUPPRESSION SPRAYERS[J]. ENVIRONMENTAL ENGINEERING , 2022, 40(5): 171-177. doi: 10.13205/j.hjgc.202205025

OPTIMAL SELECTION OF NOZZLES FOR AIR-ASSISTED DUST SUPPRESSION SPRAYERS

doi: 10.13205/j.hjgc.202205025
  • Received Date: 2021-05-10
    Available Online: 2022-07-02
  • To better guide the selection of nozzles of air-assisted dust suppression sprayer, five sprayer nozzles with different internal structures were collected to carry out a comparative study on the atomization characteristics, and the selected nozzles were used in the project site to test the dust reduction effect. The results showed that:1) the Spray and Taige nozzles had larger atomization angle, meeting the needs of large area dust reduction, and were suitable for most dust suppression sprayers; 2) under the same water supply pressure, the droplet diameter of the Spray nozzle with an outlet diameter of 0.5 mm was much smaller than that of other nozzles, and its installation in the dust suppression sprayer was beneficial to fine dust capture; 3) the spray nozzle with an outlet diameter of 0.5 mm was installed in the dust suppression sprayer at the project site, to measure the total dust reduction efficiency and respirable dust reduction efficiency, which were higher than 90% and 80% respectively, and the dust reduction effect was good.
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