Flocculant feeding system for water treatment based on bidirectional multi-parameter online detection

Abstract

The invention discloses a flocculating agent adding system for water treatment based on bidirectional multi-parameter online detection, and belongs to the technical field of sewage treatment. The adding system comprises a sewage pool, a flocculation reaction device, a medicament box, a water inlet pump, a dosing pump, a concentration meter, a first flow meter, a second flow meter, a PLC controller and an overflow clear water online detector; the sewage tank, the water inlet pump and the flocculation reaction device are sequentially connected through a pipeline, and the concentration meter and the second flow meter are both mounted on the pipeline for connecting the water inlet pump and the flocculation reaction device; the medicament box, the dosing pump and the flocculation reaction device are sequentially connected through a pipeline, and the first flow meter is mounted on the pipeline for connecting the dosing pump and the flocculation reaction device; the overflow clear water on-line detector is used for detecting the turbidity or viscosity of clear water overflowing after the flocculation reaction; the PLC is electrically connected with the dosing pump, the concentration meter and the overflow clear water on-line detector respectively. The problems of medicament waste and medicament residue of overflowing clear water can be avoided.

Description

technical field [0001] The invention relates to the technical field of sewage treatment, more specifically, it relates to a flocculant dosing system for water treatment based on two-way multi-parameter on-line detection. Background technique [0002] Sewage treatment: the process of purifying sewage to meet the water quality requirements for discharge into a certain water body or for reuse. Sewage treatment is widely used in various fields such as construction, agriculture, transportation, energy, petrochemical, environmental protection, urban landscape, medical treatment, catering, etc., and it is also increasingly entering the daily life of ordinary people. Sewage treatment can be divided into three types according to its function: physical method, biological method and chemical method. Among them, the chemical method is a method that uses chemical reactions to treat or recover dissolved or colloidal substances in sewage, and is mostly used in industrial wastewater. Commo...

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Problems solved by technology

[0005] In view of the deficiencies in the existing technology, the purpose of the present invention is to provide a flocculant dosing system for water treatment based on bidirectional multi-parameter online detection, which can avoid the waste of chemicals and reduce the problem of drug residues in overflowing clear water under the premise of effective flocculation

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