An online full analysis and monitoring method for acid rain monitoring system

Abstract

The invention discloses an on-line full analysis and monitoring method of an acid rain monitoring system, comprising the following steps: Step A: Rainfall detection in a 35cc metering bottle, in this step, when the rainfall in the 35cc metering bottle reaches 35ml within 1 hour When the rain in the 35cc metering bottle is less than 35ml within 1 hour, the detection step; step B: the detection of the rainfall in the 260cc reserve sample buffer bottle, which is divided into a detection after a rain in this step steps, and the detection steps when the rainfall in a day is less than 35ml. The online full analysis and monitoring method of the acid rain monitoring system of the present invention can avoid the monitoring interference caused by the rainwater to be detected due to the corrosion or electrolysis of the positioning detection electrode in the acid rain water, reduce the monitoring interference caused by the residual liquid in the container and the pipeline, and make up for the The detection and analysis of acid rain is missing when the rainfall is insufficient.

Description

technical field [0001] The invention relates to an online full analysis monitoring method of an acid rain monitoring system. Background technique [0002] The invention application with the publication number CN1763795A discloses an "automatic monitoring system for acid rain", which consists of a central processing station and at least one monitoring sub-station connected through a communication network. The central processing station includes at least one computer and central station control software. The monitoring sub-station is composed of an acid rain automatic monitoring device and a data acquisition device. The automatic monitoring device automatically senses the rainfall and completes the measurement of various indicators. The data acquisition device collects the data measured by the acid rain automatic monitoring device and processes it. The collected data is transmitted to the central station via the communication line. The technical scheme of the invention applic...

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Problems solved by technology

[0005] 1. Since the electrode of the rainwater quantitative bottle 31 for accurately measuring the amount of rainwater is soaked in the rainwater to be detected, and the general electrode material is metal, the corrosion or electrolysis of the electrode in the acid rainwater will cause the detection of the rainwater to be detected data interference;

[0006] 2. It controls several control valves respectively arranged on the pipeline through an editable program logic controller (PLC) to achieve automatic operation and analysis, and only when the rainfall above 35.34cc is collected per hour can the diversion be performed, so that The rainwater in the water storage bottle 32 flows into the first collection bottle 42, the second collection bottle 43 and the third collection bottle 44 via the sampling pipe 41. However, such a measurement method has no detection result when the rainfall is insufficient. The detection and analysis of acid rain There is a big gap;

[0007] Three, in order to reduce the impact of the previous residual rainwater on the latter measurement result, it will first make the measuring meter 52, the first collection bottle 42, the second collection bottle 43 and the third collection bottle 44 before the diversion action. The residual water is discharged and cleaned with pure water. However, due to the existence of water tension, there will be some residual pure water in the pipeline (including the catheter, measuring meter and collection bottle), which will inevitably affect the accuracy of the next test result.

[0008] Four, in order to collect and measure rainwater, it adopts rainwater quantitative bottle 31, water storage bottle 32, the first collecting bottle 42, the second collecting bottle 43, the third collecting bottle 44, complex structure, taking up space, longer pipeline increases Rainwater loss and residual disturbance

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