CN-122017174-A - Self-cleaning type water quality on-line monitoring device and on-line monitoring method

CN122017174ACN 122017174 ACN122017174 ACN 122017174ACN-122017174-A

Abstract

The invention discloses a self-cleaning type water quality on-line monitoring device and an on-line monitoring method, wherein the self-cleaning type water quality on-line monitoring device comprises: the main circulation module comprises a water supply pipe, a water return pipe and a dosing pipe and is used for realizing the circulation flow of the water body to be monitored. The water quality on-line monitoring module collects water quality data by utilizing the water quality circulating groove and transmits the data to the intelligent control module, and the wastewater is discharged through the water drain pipe or the water discharge pipe. The dosing and pollution discharging module comprises a medicament pump and a medicament tank, and is used for realizing water quality management by adding medicament into a dosing pipe. The intelligent control module is used as a control unit and comprises a controller and an intelligent window, and is used for sending water quality monitoring instructions to the water quality on-line monitoring module and receiving monitored water quality data, and controlling the dosing and pollution discharging operation of the dosing and pollution discharging module according to the water quality data so as to realize on-line monitoring and water quality management of water quality.

Inventors

SHI QIANQIAN
Luo Xunwu
YAN MINGKAI
GUO XIN
WANG DONG
YANG CHUNYUN
FU JINJIN

Assignees

北京长峰新联工程管理有限责任公司

Dates

Publication Date: 20260512
Application Date: 20260401

Claims (10)

1. The utility model provides a self-purification formula quality of water on-line monitoring device which characterized in that includes: The main circulation module comprises a water supply connector (12), a water supply pipe (19), a water return connector (13), a water return pipe (20) and a dosing pipe (37), wherein the water supply connector (12) is used for connecting a target circulation water system into the main circulation module, the water return connector (13) is used for discharging treated liquid back into the target circulation water system, the water supply pipe (19) is connected with the water supply connector (12), the water return pipe (20) is connected with the water return connector (13), and the water supply pipe (19) is connected with the water return pipe (20) based on the dosing pipe (37); The water quality on-line monitoring module comprises a water quality circulation groove (21), a sampling tube (27), a drain tube (28), a drain outlet (26) and a drain tube, wherein the first end of the sampling tube (27) is communicated with a water supply pipe (19), the second end of the sampling tube is respectively connected with a water inlet (214) of the water quality circulation groove (21) and the first end of the drain tube, a water outlet (215) of the water quality circulation groove (21) and the second end of the drain tube are respectively communicated with the first end of the drain tube (28), the first end of the drain tube is connected with the water inlet (214) of the water quality circulation groove (21), the second end of the drain tube (28) is connected with the drain outlet (26), a sampling valve (22) is arranged on the sampling tube (27), a water drain valve (24) is arranged on the drain tube (28), a mode switching valve (29) is arranged on the drain tube (28), the first end of the drain tube is connected with the water inlet (214) of the water quality circulation groove (21), the second end of the drain tube (28) is connected with the water outlet (215) of the water quality circulation groove (21) respectively, the second end of the drain tube (28) is connected with the water outlet (37) respectively, the third interface of the mode switching valve (29) is connected with the first end of the drain pipe (28); The dosing and sewage disposal module comprises a first medicament pump (31), a first medicament tank (33), a sewage disposal pipe (38) and a sewage disposal outlet (39), wherein a sewage disposal valve (36) is arranged on the sewage disposal pipe (38), two ends of the sewage disposal pipe (38) are respectively connected with the water return pipe (20) and the sewage disposal outlet (39), a first port of the first medicament pump (31) is connected with the first medicament tank (33), a second port of the first medicament pump (31) is connected with the dosing pipe (37) through a guide pipe (311), and a medicament valve (35) is arranged on the dosing pipe (37); The intelligent control module comprises a control box body (41), an intelligent window (42) is arranged on the surface of the control box body (41), a controller is arranged in the control box body (41), and the controller is respectively connected with the intelligent window (42), the sampling valve (22), the water drain valve (24), the water quality circulation tank (21), the mode switching valve (29), the medicament valve (35) and the blowdown valve (36) electrically.
2. The self-cleaning water quality on-line monitoring device according to claim 1, wherein a filter (14), a liquid level meter (15), a check valve (16), a damper (17) and a first flowmeter (18) are sequentially installed on the water supply pipe (19) along a first direction, the filter (14), the liquid level meter (15), the check valve (16), the damper (17) and the first flowmeter (18) are respectively and electrically connected with the controller, and the first direction is a direction in which water flows from the water supply pipe (19) to the water return pipe (20).
3. The self-cleaning water quality on-line monitoring device according to claim 1, further comprising an equipment support structure (11), wherein the equipment support structure (11) comprises a fixed back plate (111), a base (112), a fixed bolt (113) and a pipe clamp (114); the fixed back plate (111) is fixed on the base (112) based on the fixed bolt (113); The water supply pipe (19), the water return pipe (20), the dosing pipe (37), the sampling pipe (27), the drain pipe (28), the drain pipe and the drain pipe (38) are fixed on the fixed back plate (111) based on the pipe clamp (114).
4. The self-cleaning water quality online monitoring device according to claim 1, wherein the water quality online monitoring module further comprises a pressure sensor (25), the pressure sensor (25) is arranged at a water inlet (214) of the water quality circulation tank (21), and the pressure sensor (25) is electrically connected with the controller; and a second flowmeter (23) is arranged on the sampling tube (27), and the second flowmeter (23) is electrically connected with the controller.
5. The self-cleaning water quality on-line monitoring device according to claim 1, wherein, The water quality circulation tank (21) comprises a circulation shell (211), a sensor group and an ultrasonic assembly (213); The sensor group is fixed in the circulation shell (211), the ultrasonic assembly (213) is fixed at the bottom of the circulation shell (211), and the sensor assembly and the ultrasonic assembly (213) are electrically connected with the controller, wherein the sensor group comprises a PH value sensor (212), a hardness sensor (2121), an alkalinity sensor (2122) and a conductivity sensor (2123); The water inlet (214) of the water quality circulation groove (21) is arranged at the bottom of the circulation shell (211), and the water outlet (215) of the water quality circulation groove (21) is arranged at the top of the circulation shell (211).
6. The self-cleaning online water quality monitoring device of claim 5, wherein the ultrasonic assembly (213) comprises a vibrating housing (2131), an ultrasonic drain valve (2132), an adjustable transducer (2133), a vibrating surface (2134), and an ultrasonic drain outlet (2135); The vibration face (2134) set up in the bottom of vibration shell (2131), adjustable transducer (2133) is installed vibration face (2134) below, the first end of supersound blowoff valve (2132) with vibration shell (2131) intercommunication, the second end of supersound blowoff valve (2132) with supersound drain (2135) are connected, adjustable transducer (2133) with supersound blowoff valve (2132) all with the controller electricity is connected.
7. The self-cleaning on-line water quality monitoring device of claim 1, wherein the dosing and blowdown module further comprises a second medicament pump (32) and a second medicament tank (34); a first port of the second medicament pump (32) is connected with the second medicament tank (34), and a second port of the second medicament pump (32) is connected with the medicament adding pipe (37) through a conduit (311); A first liquid level sensor (331) is arranged in the first medicament tank (33), and a second liquid level sensor (341) is arranged in the second medicament tank (34); The first liquid level sensor (331) and the second liquid level sensor (341) are electrically connected with the controller.
8. A self-cleaning water quality on-line monitoring method applied to the self-cleaning water quality on-line monitoring device as set forth in any one of claims 1 to 7, comprising: s1, acquiring a user instruction based on an intelligent window, and selecting a monitoring mode according to the user instruction, wherein the monitoring mode is built in through programming and comprises a real-time online monitoring mode and a timing online monitoring mode; S21, if the monitoring mode is the real-time on-line monitoring mode, the intelligent control module is used for controlling the sampling valve to be opened and the water drain valve to be closed, and controlling the first interface and the second interface of the mode switching valve to be opened, so that water flow of a target circulating water system sequentially flows into a water supply pipe, a sampling pipe and a water quality circulating groove, and flows back to the target circulating water system along a water return pipe, and the water flow in the water quality circulating groove is smooth; S22, if the monitoring mode is the timing on-line monitoring mode, firstly controlling the discharge of the waste water stored in the water quality circulation tank within the preset monitoring time so as to update the sampled water quality in the water quality circulation tank; then the intelligent control module is used for controlling the sampling valve to be opened and the water drain valve to be closed, and controlling the first interface and the third interface of the mode switching valve to be opened, so that water flow of the target circulating water system sequentially flows into the water supply pipe, the sampling pipe and the water quality circulation groove and flows out along the water drain pipe, and the water quality circulation groove intermittently has water flow passing through in a preset time; S3, performing water quality monitoring on the water sample in the water quality circulation tank by using a water quality on-line monitoring module to obtain water quality data, and sending the water quality data to an intelligent control module; S4, analyzing the water quality data by using the intelligent control module, and controlling a reagent valve and a first reagent pump to be opened under the condition that the water quality data are abnormal, so that the reagent in the first reagent tank flows into a reagent adding pipe, and the water quality of the target circulating water system is optimized; And S5, displaying the optimized water quality data, the monitoring information of the water quality on-line monitoring module and the medicine amount of the first medicine tank in real time by utilizing an intelligent window.
9. The method for on-line monitoring of self-cleaning water quality as recited in claim 8, further comprising: the intelligent control module is used for controlling the starting of the ultrasonic assembly so as to clean a sensor group in the water quality circulation tank at regular time through ultrasonic waves, and the ultrasonic assembly is closed after the cleaning is finished to control the discharge of wastewater in the water quality circulation tank; the control of the wastewater discharge in the water quality circulation tank comprises: The intelligent control module is used for controlling the sampling valve to be closed and the water drain valve to be opened, and controlling the first interface and the third interface of the mode switching valve to be opened, so that the wastewater in the water quality circulation tank is sequentially discharged through the drain pipe and the water drain pipe.
10. The method for on-line monitoring of self-cleaning water quality as recited in claim 8, further comprising: under the condition that the water quality data exceeds a preset purification threshold value, controlling a drain valve to be opened, a medicament valve to be opened, a sampling valve to be opened and a drain valve to be closed by utilizing an intelligent control module, and controlling a first interface and a second interface of a mode switching valve to be opened so as to drain liquid in a target circulating water system through a drain pipe; And responding to the water quality data being smaller than or equal to the preset purifying threshold value, and controlling the blow-down valve to be closed by utilizing an intelligent control module.

Description

Self-cleaning type water quality on-line monitoring device and on-line monitoring method Technical Field The invention relates to the technical field of water quality monitoring, in particular to a self-cleaning type water quality on-line monitoring device and an on-line monitoring method. Background In the industrial fields of chemical industry, metallurgy, air conditioning, refrigeration and the like, large-scale equipment often depends on a water circulation system for cooling so as to ensure the stable operation of the equipment. However, in the long-term operation process of the water circulation system, the problems of pipeline scaling, inner wall corrosion, microorganism breeding and the like are easy to occur. The pipeline scaling can lead to the reduction of heat transfer efficiency and increase the energy consumption of equipment, the corrosion of the inner wall can reduce the material strength and increase the maintenance frequency and cost, and the microorganism breeding can cause pipeline blockage and even bring about safety and environmental risks, so that the operation stability of a water circulation system and the service life of the equipment are seriously influenced, and the effective monitoring and management of the water quality of the circulating water system are very important. In the prior art, the water quality is monitored by adopting the traditional modes such as manual titration and the like, and the method has obvious limitations although the technology is mature. Because the frequency of manual monitoring is low, the real-time capture of water quality fluctuation is difficult to realize, so that hysteresis exists in water quality monitoring and management, and water quality abnormality cannot be found in time and quick treatment is impossible. Meanwhile, the dosing and pollution discharge strategies of the water system lack analysis and prediction support based on historical monitoring data and only rely on manual untimely operation, so that the stability of water quality is difficult to ensure, and the running cost and maintenance burden of equipment are further increased possibly due to untimely or excessive dosing and pollution discharge. In order to effectively solve the above problems, it is highly desirable to develop a water quality monitoring device for real-time on-line monitoring of water quality and automatically performing water quality management according to accurate monitoring data. Disclosure of Invention Aiming at the defects existing in the prior art, the invention provides a self-cleaning type water quality online monitoring device and an online monitoring method, which aim to integrate water quality monitoring and self-cleaning functions, improve timeliness and accuracy of water quality monitoring and reduce water quality management cost through intelligent management. The invention discloses a self-cleaning type water quality on-line monitoring device, which comprises: The main circulation module comprises a water supply connector, a water supply pipe, a water return connector, a water return pipe and a dosing pipe, wherein the water supply connector is used for connecting a target circulating water system into the main circulation module, the water return connector is used for discharging treated liquid back to the target circulating water system, the water supply pipe is connected with the water supply connector, the water return pipe is connected with the water return connector, and the water supply pipe is connected with the water return pipe based on the dosing pipe; The water quality on-line monitoring module comprises a water quality circulation groove, a sampling pipe, a drain port and a drain pipe, wherein the first end of the sampling pipe is communicated with the water supply pipe, the second end of the sampling pipe is respectively connected with a water inlet of the water quality circulation groove and the first end of the drain pipe, the water outlet of the water quality circulation groove and the second end of the drain pipe are both communicated with the first end of the drain pipe, the first end of the drain pipe is connected with the water inlet of the water quality circulation groove, the second end of the drain pipe is connected with the drain port, a sampling valve is arranged on the sampling pipe, a drain valve is arranged on the drain pipe, a mode switching valve is arranged on the drain pipe, a first interface of the mode switching valve is respectively connected with the second end of the drain pipe and the water outlet of the water quality circulation groove, a second interface of the mode switching valve is respectively connected with a water return pipe and a dosing pipe, and a third interface of the mode switching valve is connected with the first end of the drain pipe; The dosing and sewage disposal module comprises a first medicament pump, a first medicament tank, a sewage disposal pipe and a sewage disposal outlet, wherein th