Water quality monitoring method and system

Abstract

The invention provides a water quality monitoring system which comprises a sedimentation basin, a separation device, an aspiration device, a sample basin, a cleaning device and an analysis device, wherein the sedimentation basin is communicated with a water source to be monitored; the separation device is arranged in the sedimentation basin and used for separating solid substances in a water sample to be monitored in the sedimentation basin; the aspiration device is arranged at the downstream part of the separation device; the input end and the output end of the aspiration device are respectively communicated with the sedimentation basin and the sample basin; the output end of the sample basin is connected with the analysis device; the cleaning device is used for supplying cleaning liquid and cleaning the separation device and / or the sample basin with the cleaning liquid; and the analysis device is used for analyzing the water sample to be monitored, which is output from the sample basin. The water quality monitoring system has the advantages of high filtering performance, relatively low cost, convenience in assembly, long maintenance period, small assembly space and the like and can be used for monitoring the water sample with a large number of suspended substances.

Description

technical field [0001] The invention relates to water sample monitoring, in particular to a water quality monitoring method and system with optimized pretreatment part. Background technique [0002] The high suspended matter water quality monitoring pretreatment device is a water quality monitoring pretreatment device for water samples containing a large amount of suspended matter at the inlet of sewage treatment plants and sewage pumping stations. At present, a widely used water quality monitoring pretreatment system for such working conditions, such as figure 1 As shown, the pretreatment system includes a water extraction pump, a sedimentation tank, a sedimentation tank drain valve, a booster pump, a filter, a sample tank, and the like. The water sample to be tested is pumped by the water pump to the sedimentation tank for a certain period of time, then pumped by the booster pump and transported to the water sample filter, and the filtered water sample is transported to t...

AI Technical Summary

Problems solved by technology

[0004] 1. The volume of the sedimentation tank is large, generally about 50L, and the installation area required by the system is large; the water sample is easy to splash, causing the outer surface of the system to corrode;

[0005] 2. The sedimentation tank and the filter are separated, which is troublesome to install; a large amount of suspended matter makes the filter easy to block;

[0006] 3. The water sample is rich in suspended solids, and the sample is not emptied after the measurement is completed. If it is used for a long time, it is easy to corrode and produce abnormal odor;

[0007]4. It is difficult to clean and maintain the system, and the workload is heavy

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