基于節(jié)點(diǎn)水質(zhì)監(jiān)測(cè)的污水管網(wǎng)破損位置判定方法
[Abstract]:In order to solve the problem of high cost and difficult to implement, the monitoring of water quality characteristic factor based on pipe network inspection well, combined with the GIS of pipe network and pollution source, is put forward to analyze the groundwater infiltration and damage degree of sewage pipe section in order to solve the problem of high cost and difficult to implement in step-by-step geophysical exploration or flow detection. Using Ansaimi as a characteristic factor of domestic sewage quality, the spatial distribution of groundwater infiltration in a sewage network system of a sewage plant in Chaohu City, Anhui Province, was analyzed, and the location of serious damage of the pipe network was identified by analyzing the spatial distribution of groundwater infiltration in a sewage network system of Chaohu City, Anhui Province. The results show that: (1) the relative error is 21.0% between the analytical results of the total seepage amount and the analytical results based on the total water balance, which is based on the segmented groundwater infiltration volume analysis based on the nodes of the pipe network. The relative error between the monitoring results and the flow monitoring results of typical pipe segments is 5.4%, which indicates that the established method is reliable. (2) the groundwater infiltration accounts for 23.0% of the total water infiltration in the local section of the sewerage network, which accounts for 0.3% of the total length of the sewerage network. Therefore, the damage degree of the whole pipe network system can be greatly reduced by repairing the local damaged pipe segments. On the basis of this, the basic principle of applying the method is also put forward.
【作者單位】: 同濟(jì)大學(xué)長(zhǎng)江水環(huán)境教育部重點(diǎn)實(shí)驗(yàn)室;同濟(jì)大學(xué)污染控制與資源化研究國(guó)家重點(diǎn)實(shí)驗(yàn)室;
【基金】:國(guó)家水體污染控制與治理科技重大專項(xiàng)課題(2014ZX07303-003) 上海市研發(fā)基地建設(shè)項(xiàng)目(13DZ2251700)
【分類號(hào)】:X703;X832
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