In-situ monitoring method ofr blockage by embedding monitoring electrodes in enclosing wall

Abstract

The invention discloses an in-situ monitoring method for blockage by embedding monitoring electrodes in an enclosing wall. Blockage in-situ monitoring constructed wetland with an enclosing wall embedded with monitoring electrodes is established, including a water distribution area, a water collection area, a main body filler area, aquatic plants, monitoring electrode bands, strip-shaped copper electrodes, connecting wires and a long-side enclosing wall. By embedding the electrode bands in the enclosing wall of the constructed wetland, accurate monitoring of blockage of constructed wetlands ofdifferent specifications can be realized. According to the method, on the premise of the difference of resistivity between blocked and unblocked filler areas, by combining the embedded electrode bandsin pairs, changes of resistivity on control sections of two electrode bands are monitored, thereby realizing accurate prediction of the blockage condition. The in-situ monitoring method for blockageby embedding monitoring electrodes in an enclosing wall has the advantages of simple design, economy, convenient operation and management, fills in the blank of accurate monitoring of constructed wetland blockage, and provides a technical guarantee for the treatment, operation and maintenance of constructed wetlands of various specifications and the continuous and efficient operation of constructed wetlands.

Description

technical field [0001] The invention belongs to the technical field of sewage treatment, and in particular relates to an in-situ monitoring method for blockage in which monitoring electrodes are embedded in surrounding walls. Background technique [0002] Constructed wetland sewage treatment technology is a new ecological engineering technology for sewage treatment that emerged in the 1970s. It has the advantages of good flexibility, low investment, low energy consumption, strong decontamination ability, convenient management, and no secondary pollution. Applications are increasingly common. However, in recent years, problems such as clogging frequently occur in constructed wetlands during operation, the purification performance decreases, and the service life is shortened. For example, among the 355 subsurface flow constructed wetlands in the United States and the United Kingdom, nearly half of them were clogged within five years of use, and the hydraulic conductivity of t...

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Problems solved by technology

[0005] The purpose of the present invention is to solve the problem that the existing constructed wetlands cannot accurately monitor the clogged area, resulting in no effective technical basis for clogged treatment and maintenance, to provide a constructed wetland that is easy to construct and accurately monitors clogged, and realizes accurate monitoring of the clogged area of ​​the constructed wetland Methods

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