CN116879522A - A method and device for rapid source tracing of sudden water pollution in drinking water sources - Google Patents

Abstract

The application relates to a rapid tracing method and device for sudden water pollution of a drinking water source, and relates to the technical field of water pollution monitoring, comprising a water quality monitoring center, a device shell, driving pontoons symmetrically arranged at two sides of the device shell, and a sampling execution assembly arranged in the device shell, wherein the lower end of the sampling execution assembly is connected with an axial adjustment assembly; the sampling monitoring cylinders are arranged at the lower end of the device shell and are in wireless communication connection with the water quality monitoring center; the sampling execution assembly drives the axial adjustment assembly to enable the sampling monitoring cylinders to axially rotate and sequentially align to the position right below the execution end of the sampling execution assembly, and the sampling execution assembly drives the sampling monitoring cylinders corresponding to the position right below the sampling execution assembly to sample and monitor the water body. The method can rapidly complete rapid tracing operation of sudden water pollution in the drinking water source area, and has high use flexibility and good application effect.

Description

A method and device for rapid source tracing of sudden water pollution in drinking water sources

Technical field

The invention belongs to the technical field of water pollution monitoring, and specifically relates to a method and device for rapid source tracing of sudden water pollution in drinking water sources.

Background technique

Drinking water sources refer to the water source areas that provide water for urban residents' daily life and public services, including rivers, lakes, reservoirs, groundwater, etc. Strengthening the protection of drinking water sources is an important means to ensure the safety of drinking water source water quality and people's health. , strengthening the protection of drinking water sources, including conducting rapid and effective traceability investigations for sudden water pollution to effectively prevent the spread of pollutants;

To carry out rapid and effective traceability investigations for sudden water pollution, it is necessary to conduct sampling, monitoring and analysis of water bodies. How to efficiently complete the sampling and analysis of multiple monitoring points in the event of sudden water pollution is the key to completing the study of drinking water source emergencies. This is the key to rapid traceability of sudden water pollution. In this regard, we propose a method and device for rapid traceability of sudden water pollution in drinking water sources.

Contents of the invention

The purpose of the present invention is to provide a method and device for rapid source tracing of sudden water pollution in drinking water sources in order to solve the above problems.

The present invention achieves the above objects through the following technical solutions:

The invention provides a device for rapid traceability of sudden water pollution in drinking water sources, which includes a water quality monitoring center, a device shell and driving pontoons symmetrically located on both sides of the device shell. It also includes a sampling execution component located in the device shell. The lower end of the sampling execution component is connected to an axial adjustment component; and

A plurality of sampling monitoring tubes located at the lower end of the device casing and wirelessly connected to the water quality monitoring center;

The sampling execution component drives the axial adjustment component to cause axial rotation of multiple sampling monitoring tubes and aligns them directly below the execution end of the sampling execution component. The sampling execution component drives the corresponding sampling monitoring tube directly below it to sample the water body. and monitoring.

As a further optimization solution of the present invention, the sampling execution component includes a hollow cylinder, a motor is provided on the hollow cylinder, and a driving block is connected to the driving end of the motor. The driving block is cylindrical and has a limit slide on its outer wall. The limit chute is formed by connecting an annular section and a V-shaped section, and the opening of the annular section is consistent with the angle between the intersections of the horizontal central axes of two adjacent sampling monitoring tubes; it also includes The linkage shaft is slidingly matched with the limit chute, and the linkage shaft is provided with a push block.

As a further optimization solution of the present invention, one end of the linkage shaft away from the limiting chute is movably fitted with a sliding seat, a through-slot is provided on one side wall of the linkage shaft hollow cylinder facing the linkage shaft, and a through-slot is provided vertically in the through-slot. The guide rod is in a movable plug-in fit with the linkage shaft, and a connecting spring is set on the guide rod.

As a further optimization solution of the present invention, a placement plate for placing the sampling monitoring tube is rotated in the device casing, and the axial adjustment assembly includes a turntable and a guide wheel coaxially connected to the driving end of the sampling execution assembly. There is a convex rod, and the placement plate is connected to a driven wheel through a transmission shaft. The driven wheel is provided with slots corresponding to the number of sampling monitoring tubes. The outside of the driven wheel is curved between the two slots. set up.

As a further optimization solution of the present invention, the sampling monitoring cylinder includes a vacuum cylinder. The upper end of the vacuum cylinder is movable with an insertion rod, and one end of the insertion rod extending into the vacuum cylinder is provided with a piston. The outer side of the insertion rod is sleeved with a piston. Return spring, the lower end of the vacuum cylinder is connected to a liquid taking pipe and a liquid taking hole is provided outside the liquid taking pipe. A sensor module is provided in the vacuum cylinder near the liquid taking pipe, and the output end of the sensor module is connected to A main control box, the input end of the main control box is connected to a power supply module, and the output end of the main control box is connected to a wireless transceiver and is connected to the water quality monitoring center for wireless communication through the wireless transceiver.

As a further optimization solution of the present invention, the driving pontoon includes a receiving cavity provided on both sides of the device shell. A bracket is provided in the receiving cavity. A hydraulic cylinder is provided on the bracket. The telescopic end of the hydraulic cylinder is connected to a Electric propeller.

The present invention also provides a method for quickly tracing the source of sudden water pollution in drinking water sources using any of the above devices, including the following steps:

Step 1: Float the device in the water environment of the drinking water source, and drive the buoy drive device between multiple monitoring points in the water body of the basin;

Step 2: The sampling execution component drives the axial adjustment component to cause the multiple sampling monitoring tubes to rotate axially and align them directly below the execution end of the sampling execution component. The sampling execution component drives the corresponding sampling monitoring tube directly below it to target the water body. Carry out sampling and monitoring, obtain the water quality information signal corresponding to the current monitoring point and wirelessly transmit it to the water quality monitoring center, analyze and obtain the water quality online monitoring data corresponding to the current monitoring point, and obtain the current monitoring of water pollution based on the water quality online monitoring data. Point information, and obtaining the first pollutant concentration corresponding to the current monitoring point;

Step 3: Based on the current monitoring point information, obtain at least one upstream monitoring point information corresponding to the current monitoring point, and obtain the second pollutant concentration corresponding to the upstream monitoring point based on the water quality online monitoring data;

Step 4: Compare the concentration of the first pollutant with the concentration of the second pollutant; when the concentration of the second pollutant is greater than the concentration of the first pollutant, determine the upstream monitoring point corresponding to the concentration of the second pollutant as water pollution. Source point.

The beneficial effects of the present invention are:

In the present invention, the sampling execution component drives the axial adjustment component to cause the plurality of sampling monitoring tubes to rotate axially and align them directly below the execution end of the sampling execution component, and then the sampling execution component drives the corresponding sampling monitoring tube directly below the water body to conduct Sampling and monitoring can flexibly complete the sampling and monitoring process at multiple monitoring points, thereby quickly completing the rapid traceability of sudden water pollution in drinking water sources, with high flexibility and good application effects.

Description of the drawings

Figure 1 is a schematic diagram of the overall structure provided by the present invention;

Figure 2 is a schematic diagram of the internal structure provided by the present invention;

Figure 3 is a schematic structural diagram of the axial adjustment assembly provided by the present invention;

Figure 4 is a schematic structural diagram of the sampling monitoring tube provided by the present invention;

In the picture: 1. Device shell; 2. Driving float; 21. Containment chamber; 22. Bracket; 23. Hydraulic cylinder; 24. Electric propeller; 3. Sampling monitoring cylinder; 31. Vacuum cylinder; 32. Insertion rod; 33. Return spring; 34. Piston; 35. Sensor module; 36. Liquid collection tube; 37. Main control box; 38. Liquid collection hole; 4. Sampling execution component; 41. Hollow cylinder; 42. Driving block; 43. Limit chute; 44. Motor; 45. Linkage shaft; 46. Push block; 47. Slide seat; 48. Guide rod; 49. Connecting spring; 5. Axial adjustment component; 51. Turntable; 52. Guide wheel; 53. Protruding rod; 54. Driven wheel; 55. Slot; 56. Transmission shaft; 6. Placing plate.

Detailed ways

The present application will be described in further detail below in conjunction with the accompanying drawings. It is necessary to point out here that the following specific embodiments are only used to further illustrate the present application and cannot be understood as limiting the protection scope of the present application. Those skilled in the field can refer to The above application contents make some non-essential improvements and adjustments to this application.

Example 1

As shown in Figures 1-3, this embodiment provides a device for rapid traceability of sudden water pollution in drinking water sources, including a water quality monitoring center, a device shell 1, and driving floats 2 symmetrically located on both sides of the device shell 1. It includes a sampling execution component 4 located in the device housing 1, with an axial adjustment component 5 connected to the lower end of the sampling execution component 4; and a plurality of sampling monitoring tubes located at the lower end of the device housing 1 and connected to the water quality monitoring center through wireless communication. 3;

The sampling execution component 4 drives the axial adjustment component 5 to cause the plurality of sampling monitoring tubes 3 to rotate axially and align them directly below the execution end of the sampling execution component 4, and then the sampling execution component 4 drives the corresponding sampling monitoring tubes directly below it. Tube 3 samples and monitors water bodies.

Further, the sampling execution component 4 includes a hollow cylinder 41, a motor 44 is provided on the hollow cylinder 41, and a driving block 42 is connected to the driving end of the motor 44. The driving block 42 is cylindrical and has a limited outer wall. The limit chute 43 is formed by connecting an annular section and a V-shaped section. The opening of the annular section is the angle between the intersection of the horizontal central axes of the two adjacent sampling monitoring tubes 3. Consistent with each other; it also includes a linkage shaft 45 that is in sliding fit with the limiting chute 43 and is provided with a push block 46 on the linkage shaft 45 .

One end of the linkage shaft 45 away from the limiting chute 43 is movably fitted with a sliding seat 47. A through groove is provided on one side wall of the hollow tube 41 of the linkage shaft 45 facing the linkage shaft 45, and a guide rod is vertically provided in the through groove. 48. The guide rod 48 is in a movable plug-in fit with the linkage shaft 45, and a connecting spring 49 is set on the guide rod 48.

The housing 1 of the device is rotatably fitted with a placement plate 6 for placing the sampling monitoring tube 3. The axial adjustment assembly 5 includes a turntable 51 and a guide wheel 52 coaxially connected to the driving end of the sampling execution assembly 4. The turntable 51 has A lug 53 is provided, and the placement plate 6 is connected to a driven wheel 54 through a transmission shaft 56. The driven wheel 54 is provided with slots 55 corresponding to the number of sampling monitoring tubes 3. The outside of the driven wheel 54 is between two The slots 55 are arranged in a curved shape.

In specific applications, the motor 44 drives the turntable 51 to rotate, and the convex rod 53 on the outside of the turntable 51 and the guide wheel 52 arranged coaxially with the turntable 51 also produce circular motion, and the convex rod 53 rotates into the slot 55 on the outside of the driven wheel 54. Then the driven wheel 54 is turned to rotate to a certain angle. At this time, the placement plate 6 connected to the driven wheel 54 through the transmission shaft 56 also rotates to a certain angle, so that the sampling monitoring tube 3 on the placement plate 6 rotates to the sampling execution assembly 4. Just below the execution end, the convex rod 53 then breaks away from the slot 55, and the driven wheel 54 remains motionless until the convex rod 53 rotates again into the slot 55 outside the driven wheel 54;

The sampling execution component 4 drives the sampling monitoring tube 3 to sample. The motor 44 controls the driving block 42 to rotate at a constant speed, and one end of the linkage shaft 45 slides along the limit chute 43. When the linkage shaft 45 moves along the V-shape of the limit chute 43, When the segment slides, the linkage shaft 45 completes an up and down swing. In the last swing action, the push block 46 on the linkage shaft 45 presses the sampling monitoring tube 3 to complete sampling, and then the linkage shaft 45 moves along the limit chute. The annular segment of 43 slides. During this process, as shown above, the sampling execution component 4 drives the axial adjustment component 5 to rotate the placement plate 6, and then adjusts the next sampling monitoring tube 3 to directly below the execution end of the sampling execution component 4. That’s it.

Example 2

On the basis of Embodiment 1, as shown in Figure 4, the sampling monitoring cylinder 3 includes a vacuum cylinder 31. The upper end of the vacuum cylinder 31 is movable with an insertion rod 32, and one end of the insertion rod 32 extends into the vacuum cylinder 31. There is a piston 34, and a return spring 33 is set on the outside of the insertion rod 32. The lower end of the vacuum cylinder 31 is connected to a liquid taking pipe 36, and a liquid taking hole 38 is provided on the outside of the liquid taking pipe 36. Inside the vacuum cylinder 31 A sensor module 35 is provided near the liquid pipe 36. The output end of the sensor module 35 is connected to the main control box 37. The input end of the main control box 37 is connected to a power supply module, and the output of the main control box 37 The end is connected to the wireless transceiver and is connected to the water quality monitoring center through wireless communication through the wireless transceiver. Under the action of the execution end of the sampling execution component 4, the plunger 32 presses down the piston 34 at one end thereof to slide compared to the vacuum cylinder 31, and the return spring 33 generates compression, and the air pressure is generated inside the vacuum cylinder 31, and the air flow is discharged from the liquid inlet hole 38 on the liquid inlet pipe 36. Under the action of the air flow, if there is any foreign matter blocked at the liquid inlet hole 38, it will be cleared in advance. Subsequently, the sampling execution component 4. While the execution end is being reset, under the action of the return spring 33, the insertion rod 32 pulls the piston 34 to reset, and a suction force is generated inside the vacuum cylinder 31 to suck water from the liquid inlet hole 38, and then inject it into the vacuum cylinder 31 through the liquid inlet pipe 36. , monitored by the sensor module 35. Specifically, the sensor module 35 includes but is not limited to sensor types that can monitor pH, COD, residual chlorine, turbidity, fluoride ions, conductivity, ORP and other sensor types that can reflect the degree of water pollution in the basin. .

As shown in Figure 2, the driving pontoon 2 includes a receiving cavity 21 provided on both sides of the device housing 1. A bracket 22 is provided in the receiving cavity 21, and a hydraulic cylinder 23 is provided on the bracket 22. The hydraulic cylinder The telescopic end of 23 is connected with an electric propeller 24. In specific applications, under the action of the electric propeller 24, the buoy 2 is driven to drive the entire device to move in the water body. In addition, the arrangement of the hydraulic cylinder 23 allows the electric propeller 24 to be relatively accommodated. The cavity 21 moves up and down to adapt to the water level of the water body in the basin compared to the water bottom. If the water body to be monitored is a low water body, the distance between the electric propeller 24 and the device housing 1 is adjusted in advance through the hydraulic cylinder 23 to adapt to the water level.

Example 3

This embodiment also provides a method for quickly tracing the source of sudden water pollution in a drinking water source using a device as described above, including the following steps: Step 1: Floating the device in the water environment of the drinking water source In the process, the driving device drives the pontoon 2 to move between multiple monitoring points on the water body in the basin;

Step 2: The sampling execution component 4 drives the axial adjustment component 5 to cause the plurality of sampling monitoring tubes 3 to rotate axially and align them directly below the execution end of the sampling execution component 4, and then the sampling execution component 4 drives the corresponding ones directly below them. The sampling monitoring cylinder 3 samples and monitors the water body, obtains the water quality information signal corresponding to the current monitoring point and wirelessly transmits it to the water quality monitoring center, and analyzes and obtains the water quality online monitoring data corresponding to the current monitoring point. Based on the water quality online monitoring data, obtain Information about the current monitoring point where water pollution occurs, and obtaining the first pollutant concentration corresponding to the current monitoring point;

Step 3: Based on the current monitoring point information, obtain at least one upstream monitoring point information corresponding to the current monitoring point, and obtain the second pollutant concentration corresponding to the upstream monitoring point based on the water quality online monitoring data;

Step 4: Compare the concentration of the first pollutant with the concentration of the second pollutant; when the concentration of the second pollutant is greater than the concentration of the first pollutant, determine the upstream monitoring point corresponding to the concentration of the second pollutant as water pollution. Source point.

The above-mentioned embodiments only express several implementation modes of the present invention, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the patent scope of the present invention. It should be noted that, for those of ordinary skill in the art, several modifications and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention.

Claims (7)

1. The utility model provides a quick traceability device of sudden water pollution in drinking water source area, includes water quality monitoring center, device shell (1) and symmetrically locates drive flotation pontoon (2) of device shell (1) both sides, its characterized in that: the device also comprises a sampling execution assembly (4) arranged in the device shell (1), wherein the lower end of the sampling execution assembly (4) is connected with an axial adjustment assembly (5); and

a plurality of sampling monitoring cylinders (3) which are arranged at the lower end of the device shell (1) and are in wireless communication connection with the water quality monitoring center;

the sampling execution assembly (4) drives the axial adjustment assembly (5) to enable the sampling monitoring barrels (3) to axially rotate and sequentially align to the position right below the execution end of the sampling execution assembly (4), and the sampling execution assembly (4) drives the corresponding sampling monitoring barrel (3) right below the sampling execution assembly to sample and monitor the water body.

2. The rapid traceability device for sudden water pollution of a drinking water source according to claim 1, wherein: the sampling execution assembly (4) comprises a hollow cylinder (41), a motor (44) is arranged on the hollow cylinder (41), a driving block (42) is connected with the driving end of the motor (44), the driving block (42) is cylindrical, a limiting chute (43) is arranged on the outer side wall of the driving block, the limiting chute (43) is formed by connecting an annular section and a V-shaped section, and the opening of the annular section is consistent with the included angle at the intersection of the horizontal central axes of two adjacent sampling monitoring cylinders (3); the sampling execution assembly (4) further comprises a linkage shaft (45) which is in sliding fit with the limiting chute (43), and a push block (46) is arranged on the linkage shaft (45).

3. The rapid traceability device for sudden water pollution of a drinking water source according to claim 2, wherein: one end of the linkage shaft (45) far away from the limiting sliding groove (43) is movably matched with a sliding seat (47), a through groove is formed in one side wall of the hollow cylinder (41) of the linkage shaft (45) facing the linkage shaft (45), a guide rod (48) is vertically arranged in the through groove, the guide rod (48) is movably spliced and matched with the linkage shaft (45), and a connecting spring (49) is sleeved on the guide rod (48).

4. The rapid traceability device for sudden water pollution of a drinking water source according to claim 1, wherein: the device is characterized in that a placing disc (6) for placing the sampling monitoring cylinders (3) is rotationally matched with the device shell (1), the axial adjusting assembly (5) comprises a rotary disc (51) and a guide wheel (52) which are coaxially connected with the driving end of the sampling executing assembly (4), a protruding rod (53) is arranged on the rotary disc (51), the placing disc (6) is connected with driven wheels (54) through a transmission shaft (56), slots (55) corresponding to the sampling monitoring cylinders (3) in number are formed in the driven wheels (54), and the outer sides of the driven wheels (54) are arranged between the two slots (55) in a curved mode.

5. The rapid traceability device for sudden water pollution of a drinking water source according to claim 1, wherein: the utility model provides a sample monitoring section of thick bamboo (3) is including vacuum section of thick bamboo (31), vacuum section of thick bamboo (31) upper end movable fit has inserted bar (32) and inserted bar (32) stretch into one end in vacuum section of thick bamboo (31) and are equipped with piston (34), inserted bar (32) outside cover is equipped with reset spring (33), liquid taking hole (38) have been seted up in liquid taking pipe (36) and liquid taking pipe (36) outside to the lower extreme of vacuum section of thick bamboo (31), be equipped with sensor module (35) near liquid taking pipe (36) department in vacuum section of thick bamboo (31), master control box (37) are connected to the output of sensor module (35), the input of master control box (37) is connected with power supply module, and the output of master control box (37) is connected wireless transceiver and is connected with water quality monitoring center wireless communication through wireless transceiver.

6. The rapid traceability device for sudden water pollution of a drinking water source according to claim 1, wherein: the driving buoy (2) comprises containing cavities (21) arranged on two sides of the device shell (1), a support (22) is arranged in the containing cavities (21), a hydraulic cylinder (23) is arranged on the support (22), and an electric propeller (24) is connected to the telescopic end of the hydraulic cylinder (23).

7. A method for rapid tracing of sudden water pollution in a drinking water source by the device according to any one of claims 1-6, comprising the steps of:

step one: the device floats in the water environment of the drinking water source, and the device is driven to run among a plurality of monitoring points of the watershed water body through the driving pontoon (2);

step two: the sampling execution assembly (4) drives the axial adjustment assembly (5) to enable the sampling monitoring barrels (3) to axially rotate and sequentially align to the position right below the execution end of the sampling execution assembly (4), the sampling execution assembly (4) drives the sampling monitoring barrels (3) corresponding to the position right below the sampling execution assembly to sample and monitor a water body, a water quality information signal corresponding to a current monitoring point position is obtained and is transmitted to a water quality monitoring center in a wireless mode, water quality online monitoring data corresponding to the current monitoring point position are obtained through analysis, current monitoring point position information of water pollution is obtained based on the water quality online monitoring data, and first pollutant concentration corresponding to the current monitoring point position is obtained;

step three: acquiring at least one upstream monitoring point position information corresponding to the current monitoring point position according to the current monitoring point position information, and acquiring a second pollutant concentration corresponding to the upstream monitoring point position based on water quality on-line monitoring data;

step four: comparing the first contaminant concentration to the second contaminant concentration; and when the second pollutant concentration is greater than the first pollutant concentration, determining the upstream monitoring point position corresponding to the second pollutant concentration as the water pollution source head point position.