水资源与水工程学报
水資源與水工程學報
수자원여수공정학보
JOURNAL OF WATER RESOURCES AND WATER ENGINEERING
2014年
2期
46-48,53
,共4页
郑剑锋%贾泽宇%邱春生%孙力平
鄭劍鋒%賈澤宇%邱春生%孫力平
정검봉%가택우%구춘생%손력평
缺水城市%景观水体%水环境容量%总量动态控制模型
缺水城市%景觀水體%水環境容量%總量動態控製模型
결수성시%경관수체%수배경용량%총량동태공제모형
water-deficient city%urban landscape water%water environmental capacity%dynamic control model of total content
针对缺水城市大型缓流景观水体水环境容量小、水质易恶化问题,提出了利用水环境容量总量动态控制模型进行水质管理的方法。以天津渤龙湖景观水体为研究对象进行实例研究。水环境容量计算结果表明:渤龙湖自然水环境容量无法容纳污染物输入总量的要求,而水体循环净化系统按照设计负荷运行时,会产生较大的剩余水环境容量。利用模型对渤龙湖水环境容量总量动态控制结果表明,在水体达到IV类水质标准的同时,优化后水体循环净化设施水量负荷可降低46.1%,且水环境容量得以充分利用。
針對缺水城市大型緩流景觀水體水環境容量小、水質易噁化問題,提齣瞭利用水環境容量總量動態控製模型進行水質管理的方法。以天津渤龍湖景觀水體為研究對象進行實例研究。水環境容量計算結果錶明:渤龍湖自然水環境容量無法容納汙染物輸入總量的要求,而水體循環淨化繫統按照設計負荷運行時,會產生較大的剩餘水環境容量。利用模型對渤龍湖水環境容量總量動態控製結果錶明,在水體達到IV類水質標準的同時,優化後水體循環淨化設施水量負荷可降低46.1%,且水環境容量得以充分利用。
침대결수성시대형완류경관수체수배경용량소、수질역악화문제,제출료이용수배경용량총량동태공제모형진행수질관리적방법。이천진발룡호경관수체위연구대상진행실례연구。수배경용량계산결과표명:발룡호자연수배경용량무법용납오염물수입총량적요구,이수체순배정화계통안조설계부하운행시,회산생교대적잉여수배경용량。이용모형대발룡호수배경용량총량동태공제결과표명,재수체체도IV류수질표준적동시,우화후수체순배정화설시수량부하가강저46.1%,차수배경용량득이충분이용。
In the light of problem of small water environmental capacity and bad water quality of urban landscape water body in water-deficient city , the paper proposed a method that use dynamic control model of water environmental capacity and total content to conduct water quality management .Taking Bolong ur-ban landscape lake in Tianjin as a case study ,water environmental capacity calculation results of Bolong urban landscape lake showed that natural water environmental capacity cant not satisfy the requirement the total pollutant input , but if water purification system operates according to design patterns , which can produce more remaining water environmental capacity .Using the model to conduct dynamical control for total water environmental capacity in Bolong urban landscape lake and when the water quality standard reach class IV , the water load of water purification system can be reduced by 46 .1 percent .The water environmental capacity can be fully used .