CAJ | 학술논문

在广州市白云湖水利工程不同水域布置9套微纳米气泡发生装置,并对其曝气效果进行试验研究。结果表明：本监测周期内,曝气装置溶解氧的增幅与处理水体的溶解氧本底值有关,在同等条件下,本底值较低时增幅大于本底值较高时,单套曝气装置单位距离平均增氧效果达到0.16%/m；流速对曝气装置的增氧效果影响比较明显,流速越快,单位时间距离内溶解氧的增幅越低；单套曝气装置单位时间内的平均增幅为6.684%/min,综合所有费用情况,每套装置的增氧效率为0.15元/%,按白云湖一台泵单位时间引水量8.6 m3/s换算每套装置的吨水处理费用为0.0019元/m3；微纳米曝气装置对白云湖工程水质改善项目溶解氧指标的改善具有一定的作用。
재엄주시백운호수리공정불동수역포치9투미납미기포발생장치,병대기폭기효과진행시험연구。결과표명：본감측주기내,폭기장치용해양적증폭여처리수체적용해양본저치유관,재동등조건하,본저치교저시증폭대우본저치교고시,단투폭기장치단위거리평균증양효과체도0.16%/m；류속대폭기장치적증양효과영향비교명현,류속월쾌,단위시간거리내용해양적증폭월저；단투폭기장치단위시간내적평균증폭위6.684%/min,종합소유비용정황,매투장치적증양효솔위0.15원/%,안백운호일태빙단위시간인수량8.6 m3/s환산매투장치적둔수처리비용위0.0019원/m3；미납미폭기장치대백운호공정수질개선항목용해양지표적개선구유일정적작용。
The nine Micro Bubble Generators( MBG) were constructed in different areas in Baiyun Lake in Guangzhou City, and the aeration effect was experimented. The result showed that the dissolved oxygen ( DO ) increase rate was higher under the lower back-ground value of dissolved oxygen( DO) by the MBGs, and the single MBG could increase DO 6. 684 %/min and 0. 16 %/m, which was impacted by the flow velocity oppositely. The aeration efficiency of each MBG cost ￥ 0. 15/%, and the tons water treatment of each MBG cost ￥ 0. 0019/m3 according to the condition that 8. 6 m3/s water was pumped to the BaiYun Lake. The MBGs had certain effect on the quality of Baiyun Lake engineering project to improve dissolved oxygen.