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Intelligent control system for enabling river channel water quality monitoring section to reach standard and control method thereof

An intelligent control system and water quality monitoring technology, applied in the sequence/logic controller program control, electrical program control, water testing, etc., can solve problems that will affect flood discharge, achieve increased residence time, flexible operation, and promote The effect of water purification effect

Active Publication Date: 2019-04-02
HOHAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At the same time, setting treatment facilities in the river course will affect flood discharge

Method used

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  • Intelligent control system for enabling river channel water quality monitoring section to reach standard and control method thereof
  • Intelligent control system for enabling river channel water quality monitoring section to reach standard and control method thereof
  • Intelligent control system for enabling river channel water quality monitoring section to reach standard and control method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0064] A certain river channel 1-1 is a small and medium-sized river channel, the channel width b=60m, and the depth h=3m. The monitoring section 1-2 is set in the middle of the river 1-1 near the bank, and there are signs on the river 1-1 to prevent damage. The automatic monitoring station 1-3 is located on the bank of the river 1-1, a single-story room, equipped with CODcr, NH 3 -N, TP, TN and other monitoring devices. The main water quality assessment index is "Surface Water Environmental Quality Standard" (GB3838-2002) Class IV water (CODcr≤30mg / L, NH 3 -N≤1.5mg / L, TP≤0.3mg / L).

[0065] There are bypass gate 2-1, water distribution main gate 2-3, water distribution auxiliary gate 2-4 and water outlet gate 2-12 on the side of river channel 1-1. These gates are all electric gates. The control is integrated, and the opening of the gate can be controlled by the opening meter. The height of the opening meter is 3-5m, the accuracy is ±1cm, and the service life is 60,000 hours...

Embodiment 2

[0104] Others are the same as embodiment 1.

[0105] C 2 — Concentration of pollutants in the water entering the bypass purification system 2, 50mg / L;

[0106]

[0107]

Embodiment 3

[0109] Others are the same as embodiment 1.

[0110] Measured C CODcr =24mg / L; C NH3-N = 1.3 mg / L; C TP =0.23mg / L;

[0111] C 1 for C CODcr 、C NH3-N 、C TP 、C TN The maximum value, that is, C 1 =max[C CODcr 、C NH3-N 、C TP ]=24mg / L.

[0112] When C 1 ≤C 0 ( 24mg / L≤30mg / L ), the information feedback system 3-2 controls the bypass gate 2-1 not to open the bypass purification system 2.

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Abstract

The invention discloses an intelligent control system for enabling a river channel water quality monitoring section to reach the standard and a method thereof. The control system comprises a main river channel (1), a bypass purification system (2) and an intelligent control system (3). An automatic monitoring station monitors the water quality of a monitoring section in a river channel and transmits the data to the intelligent control system; the intelligent control system is connected to the bypass purification system; the intelligent control system controls the bypass purification system toopen according to the detection result; after part of river channel water is introduced to the bypass purification system, then the water is converged with the river channel discharge water through awater outlet gate to enter the monitoring section to form a monitoring loop. According to the intelligent control system for enabling the river channel water quality monitoring section to reach the standard and the method thereof, through the intelligent control, the bypass purification system is scientifically, accurately and timely optimized and dispatched according to local conditions to purifythe water quality and water yield of the river channel so as to guarantee that the river channel water quality monitoring section is stable and reaches the standard.

Description

technical field [0001] The invention belongs to the fields of environmental protection and water body restoration, and in particular relates to an intelligent control system and method for reaching the standard of a river section. Background technique [0002] With the rapid development of economy and society and the continuous improvement of people's requirements for water environment quality, it is urgent for governments at all levels to carry out scientific and orderly management of water environment. The key point of water environment management is to meet the standard of river water quality monitoring section. River water quality monitoring sections can be divided into national-controlled sections, provincial-controlled sections, city-controlled sections, and county-controlled sections. In 2017, among the 1,940 surface water quality sections (points) across the country, 1,317 sections (points) met Grade I-III water quality, accounting for 67.9%; 462 met Grade IV and V,...

Claims

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Application Information

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IPC IPC(8): G01N33/18G01F1/00G05B19/04
CPCG01F1/00G01N33/18G05B19/04
Inventor 沈晓笑赵子龙邵孝侯
Owner HOHAI UNIV
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