CN-118145727-B - Terminal monitoring and microcirculation real-time mutual feedback water quality regulation and control system and method

CN118145727BCN 118145727 BCN118145727 BCN 118145727BCN-118145727-B

Abstract

The invention relates to a system and a method for regulating and controlling water quality by tip monitoring and microcirculation real-time mutual feeding, wherein the system comprises a test pipeline, a monitoring device, a flushing microcirculation unit, a trigger type purifying unit and a measuring device, wherein the test pipeline is used for conveying and distributing an inflow water quality fluid sample, the monitoring device is arranged on the test pipeline and used for monitoring residual chlorine signals, dissolved oxygen signals and/or turbidity signals of water quality, the flushing microcirculation unit is arranged at a water inlet end of the test pipeline and used for increasing pressure to flush the test pipeline and perform flushing microcirculation on the water quality, the trigger type purifying unit is arranged on the test pipeline and used for purifying the water quality, the measuring device is used for collecting data of the monitoring device and uploading the data to a server, and the server correspondingly controls a booster pump or the trigger type purifying unit to work according to analysis results so as to regulate and control the water quality. The invention can be widely applied to water quality detection and regulation of the user side.

Inventors

LIU GANG
Ren Anran
Yao Mingchen
HU BIN
LI XIAOMING

Assignees

中国科学院生态环境研究中心

Dates

Publication Date: 20260512
Application Date: 20240305

Claims (7)

1.A tip monitoring and microcirculation real-time mutual feed water quality regulation and control system is characterized in that the system comprises: The test pipeline is used for conveying and distributing the inflowing water quality fluid sample; The monitoring device is arranged on the test pipeline and is used for monitoring residual chlorine signals, dissolved oxygen signals and/or turbidity signals of the water quality fluid sample; the flushing microcirculation unit is arranged at the water inlet end of the test pipeline and is used for flushing the test pipeline to perform flushing microcirculation on water quality; the trigger type purifying unit is arranged on the test pipeline and used for purifying water quality; The measuring device is used for collecting the data of the monitoring device and uploading the data to the server, the server analyzes the data based on the monitored residual chlorine signal, the dissolved oxygen signal and/or the turbidity signal, and correspondingly controls the flushing microcirculation unit or the trigger purification unit to work according to the analysis result so as to purify and regulate the water quality; The flushing microcirculation unit adopts a booster pump; the triggering type purifying unit adopts a nanofiltration device; The system also comprises a first automatic control valve, a second automatic control valve, a third automatic control valve, a purification pipeline and a flow pipeline, wherein each automatic control valve is connected with a PLC; the test pipeline is provided with the purification pipeline and the flow pipeline in parallel, the purification pipeline is provided with the first automatic control valve and the nanofiltration device in sequence, the flow pipeline is provided with the second automatic control valve, when the nanofiltration device is started, the first automatic control valve is opened, when the nanofiltration device is required to be started, the second automatic control valve is closed, and when the water quality exceeds the standard, the booster pump is required to flush the pipeline, the third automatic control valve is arranged at the tail end of the test pipeline and is opened for draining water.
2. The tip monitoring and micro-circulation real-time mutual feed water quality regulation system of claim 1, further comprising a supply device for supplying a corresponding stream of water quality fluid sample from at least one of a plurality of water intake points selected from a water supply pipe network.
3. The tip monitoring and micro-circulation real-time mutual feed water quality regulation system according to claim 1, wherein the monitoring device comprises a residual chlorine monitoring sensor, a dissolved oxygen monitoring sensor and a turbidity monitoring sensor, wherein: the residual chlorine monitoring sensor is used for monitoring residual chlorine signals of the water quality fluid sample flow; The dissolved oxygen monitoring sensor is used for monitoring a dissolved oxygen signal of the water quality fluid sample flow; the turbidity monitoring sensor is used for monitoring turbidity signals of the water quality fluid sample flow.
4. The system for monitoring and micro-circulating real-time mutual feed water quality control according to claim 1, wherein a flow monitoring sensor is further arranged on the test pipeline at the front end of the third automatic control valve.
5. The tip monitoring and micro-circulation real-time mutual feed water quality control system according to claim 1, the power supply is characterized by further comprising a power supply, wherein the power supply is used for supplying power to each electric device.
6. A control method based on the tip monitoring and microcirculation real-time mutual feed water quality control system as claimed in claim 4, comprising: The first automatic control valve and the third automatic control valve are closed, and the second automatic control valve is opened for the transmission and distribution of the water quality fluid sample flow in the test pipeline; The parameters in the water quality fluid sample flow in the test pipeline, including residual chlorine, dissolved oxygen and/or turbidity, are monitored on line in real time by each sensor of the monitoring device; And the server analyzes each index or whether the change rate of each index in unit time is in a set range, and when the change rate of 1 or more index values or unit time exceeds the set range, the server sends a signal to control the flushing microcirculation unit or the trigger purification unit to work, so as to purify and regulate the water quality.
7. The control method according to claim 6, wherein the server sends a signal to control the flushing microcirculation unit or the trigger-type purification unit to operate, and the control method comprises the following steps: And opening a third automatic control valve, opening a booster pump positioned at the front end of the test pipeline, flushing the test pipeline at a set water flow rate, stopping flushing the test pipeline when the flushing flow rate reaches a preset standard, closing the third automatic control valve, observing whether water quality indexes such as residual chlorine, dissolved oxygen, turbidity and the like are in a set range, continuously monitoring the water quality on line if the water quality reaches the standard, closing the second automatic control valve and the third automatic control valve if the water quality still does not reach the standard, opening the first automatic control valve, and purifying the water quality through a nanofiltration device.

Description

Terminal monitoring and microcirculation real-time mutual feedback water quality regulation and control system and method Technical Field The invention relates to a system and a method for regulating and controlling water quality through tip monitoring and microcirculation real-time mutual feedback, and relates to the field of water quality monitoring. Background Drinking water is an important substance essential for human life. The quality of drinking water is directly related to human health. In recent years, with the development of social economy and water purification technology, the quality of tap water delivered from a factory is also remarkably improved. However, in the drinking water delivery and distribution process, water quality deterioration phenomenon, especially building water supply system, causes water quality degradation at the user side, and even causes water quality problems of serious threat to public health such as color change, pathogenic microorganism exceeding standard, etc. At present, most residents directly use tap water for cleaning and heating for drinking, secondary treatment and user-side water quality monitoring are not available, the quality of domestic water is difficult to ensure, for example, the problem of water quality which is difficult to perceive due to microbial pollution and the like is solved, and then the hidden danger of water use is large. A few residents can install the household water purifying device, but the ratio of waste water to purified water is generally 1:1 to 4:1 when the water purifying device is used, and the water purifying device cannot be adjusted according to the water quality condition of tap water, so that a large amount of water resource waste can be caused. In addition, residents do not monitor the water quality of the water discharged by the water purifying device, and potential safety hazards can be caused when the functions of the water purifying device fail and even secondary pollution is caused. Therefore, the water quality monitoring and the real-time mutual feedback water quality regulation and control at the user side are important to ensure the water use safety of residents. Disclosure of Invention The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention aims to provide a system and a method for regulating and controlling the water quality by terminal monitoring and microcirculation real-time mutual feeding, wherein the system and the method can continuously, automatically and online monitor the water quality and can perform water quality purification in real time. In order to achieve the above object, the present invention provides the following technical solutions: in a first aspect, the present invention provides a tip monitoring and microcirculation real-time mutual feed water quality regulation system, comprising: The test pipeline is used for conveying and distributing the inflowing water quality fluid sample; The monitoring device is arranged on the test pipeline and is used for monitoring residual chlorine signals, dissolved oxygen signals and/or turbidity signals of the water quality fluid sample; the flushing microcirculation unit is arranged at the water inlet end of the test pipeline and is used for flushing the test pipeline to perform flushing microcirculation on water quality; the trigger type purifying unit is arranged on the test pipeline and used for purifying water quality; the measuring device is used for collecting the data of the monitoring device and uploading the data to the server, the server analyzes based on the monitored residual chlorine signal, dissolved oxygen signal and/or turbidity signal, and correspondingly controls the flushing microcirculation unit or the trigger purification unit to work according to the analysis result so as to purify and regulate the water quality. In a possible embodiment, the system further comprises a supply device for supplying a corresponding stream of aqueous fluid sample from at least one of a plurality of water intake points selected from the water supply network. In a possible embodiment, the flushing microcirculation unit employs a booster pump. In a possible embodiment, the triggered purifying unit employs a nanofiltration device. In a possible embodiment, the monitoring device comprises a residual chlorine monitoring sensor, a dissolved oxygen monitoring sensor and a turbidity monitoring sensor, wherein: the residual chlorine monitoring sensor is used for monitoring residual chlorine signals of the water quality fluid sample flow; The dissolved oxygen monitoring sensor is used for monitoring a dissolved oxygen signal of the water quality fluid sample flow; the turbidity monitoring sensor is used for monitoring turbidity signals of the water quality fluid sample flow. In a possible implementation manner, the system further comprises first to third automatic control valves, a purifying pipeline an