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System and method for detecting and repairing groundwater quality

A water quality detection and repair system technology, which is applied in the direction of contaminated groundwater/leachate treatment, water/sewage treatment, general water supply conservation, etc. Overdose and other problems can be achieved to improve the accuracy of drug delivery, avoid excessive drug delivery, and improve repair efficiency

Active Publication Date: 2022-06-07
POWERCHINA ZHONGNAN ENG +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing dosing device cannot control the dosage of the medicine well, which may easily lead to excessive dosage of the medicine and increase the repair cost
However, the existing groundwater detection and restoration integrated device is not designed with strong connectivity, low degree of automation, low accuracy, high cost, and requires a lot of manpower and material resources, so it cannot meet the requirements of sustainable social and economic development.

Method used

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  • System and method for detecting and repairing groundwater quality
  • System and method for detecting and repairing groundwater quality
  • System and method for detecting and repairing groundwater quality

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] like figure 1 and 2 As shown, a groundwater quality detection and restoration system provided by the present invention includes a monitoring pool 1, a restoration pool 13, a first pollutant sensor 3, a second pollutant sensor 12, a water level detection sensor 2, a control device 5, and a driving device. and a dosing device; the first pollutant sensor 3 and the second pollutant sensor 12 are respectively arranged in the monitoring pool 1 and the repairing pool 13; the dosing device 11 is fixed in the repairing pool 13; the output end of the driving device is connected to the dosing pool The device 11 is connected; the first pollutant sensor 3, the second pollutant sensor 12, the water level detection sensor 2, and the control end of the driving device are respectively electrically connected with the control device 5; under the control of the control device 5, the driving device drives the dosing The sleeve 19 in the device 11 moves up and down. In this embodiment, the...

Embodiment 2

[0055] The present invention provides a groundwater quality detection and repair method, which is applied to a groundwater quality detection and repair system as described in Embodiment 1, including:

[0056] 1. The water level detection sensor 2 detects the water level of the monitoring pool 1. When the water level reaches the set height, the corresponding indicator light of the water level detection sensor 2 is on, and the single-chip microcomputer sends an instruction to the first pollutant sensor 3 according to the water level detection signal to start the first pollution sensor. detection operation of the object sensor 3 . The volume of water in the monitoring pool 1 can be obtained through the water level detection sensor 2 .

[0057] 2. The first pollutant sensor 3 detects the components of the water pollutants in the monitoring tank 1 and the concentration of each component pollutant.

[0058]The first pollutant sensor 3 detects that the water pollutants in the monito...

Embodiment 3

[0071] Take the initial initial concentration of trichloroethylene: 0.15mmol / L, that is, 20 mg / L as an example, the volume of polluted water (repair pool volume): 100 L, and the repair agent: ferric sulfate + calcium oxide combination agent. The dosage required to repair 20 mg / L trichloroethylene is 70.8 g—283.2 g. According to the repair accuracy and the lower limit of 70.8 g, the dosage of repairing trichloroethylene for each dosing is 23.6 g (the lower limit of 70.8 g is reached after 3 dosing operations), and four of them are selected to make multiple drugs. package, the dosage of each drug package is 23.6 / 4g, then:

[0072] 1. The dosing device is controlled to perform 3 dosing operations. Each dosing operation releases a drug pack from each casing. The dosing device has 4 casings. the lower limit of ;

[0073] 2. After reacting for a certain period of time, the concentration of trichloroethylene is 12 mg / L, which fails to reach the restoration target (the standard for ...

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Abstract

The invention discloses a system and method for detecting and repairing groundwater quality. A pollutant sensor is used to detect and monitor the composition and concentration of groundwater pollutants in a repairing pool, and the dosage and dosing of a dosing device are strictly controlled according to the composition and concentration. The number of times improves the repair efficiency, greatly improves the accuracy of drug delivery, and avoids excessive drug delivery; the system is an integrated structure for detection and repair, and does not require manual participation during the entire detection and repair process. It is highly intelligent and the dosage is controlled High precision, the design of the dosing device can avoid excessive dosage of medicine, reduce the repair cost and improve the repair efficiency.

Description

technical field [0001] The invention belongs to the technical field of pollution detection and repair, and in particular relates to an integrated automatic system and method for groundwater in-situ / ex-situ water quality detection and repair. Background technique [0002] Groundwater is an important part of the water environment system and a precious freshwater resource that can be provided for human use. It is mainly formed by the direct infiltration of atmospheric precipitation and the infiltration of surface water into the ground. However, with the growth of the global population and the acceleration of urbanization and industrialization, the demand for groundwater resources has increased significantly, and the problems of water pollution and waste have become increasingly serious. If it deteriorates further, it will seriously threaten the stability of the ecological environment and human health life safety. [0003] A common water resource pollution restoration method is...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/00G01N33/18C02F103/06
CPCC02F1/00G01N33/18C02F2209/001C02F2209/003C02F2103/06Y02A20/20
Inventor 刘喜肖劲光贺妮张海静张荷肖武周保华
Owner POWERCHINA ZHONGNAN ENG
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