Water quality automatic detection system and detection method

Abstract

The embodiment of the invention provides an automatic water quality detection system and method, and the system comprises a sampling pump which is used for extracting a to-be-detected water sample from a to-be-detected water source to a water sample main pipeline; the parameter measuring device is used for accommodating the to-be-detected water sample injected from the water sample main pipeline and detecting a first type of parameters of the to-be-detected water sample; the grit chamber is used for accommodating the to-be-detected water sample injected from the water sample main pipeline and realizing grit setting; the filtering device is used for filtering the to-be-detected water sample subjected to grit treatment in the grit chamber; and the analysis device is used for detecting and analyzing the second type of parameters of the filtered water sample to be detected. According to the water quality automatic detection system and detection method provided by the embodiment of the invention, the water quality detection efficiency and accuracy can be improved.

Description

Technical Field

[0001] The present application relates to water quality detection technology, and in particular to an automatic water quality detection system and detection method. Background Art

[0002] Surface water bodies need to be tested regularly to understand the water quality, organic matter, inorganic matter content, etc. The traditional solution is to collect water samples manually on site and bring them back to the laboratory for testing and analysis. This solution has a large workload, low efficiency, and a certain degree of hysteresis, resulting in inaccurate test data. Summary of the invention

[0003] In order to solve one of the above-mentioned technical defects, an automatic water quality detection system and detection method are provided in an embodiment of the present application.

[0004] According to a first aspect of an embodiment of the present application, there is provided a water quality automatic detection system, comprising:

[0005] A sampling pump is used to extract the water sample to be tested from the water source to be tested to the water sample main pipeline;

[0006] The parameter measuring device is used to receive the water sample to be tested injected from the water sample main pipeline and detect the first type of parameters of the water sample to be tested;

[0007] The grit chamber is used to contain the water sample to be tested injected from the water sample main pipeline and to achieve grit settling;

[0008] A filtering device, used for filtering the water sample to be tested after the grit treatment in the grit chamber;

[0009] The analysis device is used to detect and analyze the second type of parameters of the filtered water sample to be tested.

[0010] According to a second aspect of an embodiment of the present application, a detection method applied to the above-mentioned automatic water quality detection system is provided, comprising:

[0011] Open the switch valve between the sampling pump and the inlet of the parameter measuring device and the main water sample line, and close the switch valve between the outlet of the parameter measuring device and the main water sample line, so that the water sample to be tested drawn by the sampling pump enters the parameter measuring device to perform the first type of parameter detection;

[0012] Open the switch valve between the sampling pump and the grit chamber inlet and the water sample main line, and close the switch valve between the grit chamber outlet and the water sample main line, so that the water sample to be tested drawn by the sampling pump enters the grit chamber;

[0013] Open the switch valve on the pipeline between the grit chamber and the analysis device, and close the switch valve between the grit chamber, the parameter measuring device and the water sample main pipeline, so that the water sample to be tested after the grit treatment in the grit chamber can enter the analysis device after the filtering device for the second type of parameter detection and analysis.

[0014] The technical solution provided in the embodiment of the present application adopts a sampling pump for extracting the water sample to be tested from the water source to be tested to the water sample main line; a parameter measuring device for accommodating the water sample to be tested injected from the water sample main line, and realizing the detection of the first type of parameters of the water sample to be tested; a grit chamber for accommodating the water sample to be tested injected from the water sample main line, and realizing grit settling; a filtering device for filtering the water sample to be tested after the grit settling treatment in the grit chamber; an analyzing device for detecting and analyzing the second type of parameters of the filtered water sample to be tested, thereby realizing the automatic extraction and detection of water from the water source to be tested, reducing the workload of people, improving the detection efficiency, and realizing real-time detection and improving the detection accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0016] Figure 1 A schematic diagram of the structure of the automatic water quality detection system provided in the embodiment of the present application;

[0017] Figure 2 A flow chart of the automatic water quality detection method provided in an embodiment of the present application. DETAILED DESCRIPTION

[0018] In order to make the technical solutions and advantages in the embodiments of the present application more clearly understood, the exemplary embodiments of the present application are further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present application, rather than an exhaustive list of all the embodiments. It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0019] This embodiment provides a water quality automatic detection system for automatically detecting the water quality of a water source to be detected. The water source to be detected may be a river, a lake, groundwater, an ocean, a pond, a reservoir, etc. This embodiment takes a river as an example to illustrate the implementation method.

[0020] like Figure 1 As shown, the automatic water quality detection system provided in this embodiment includes: a sampling pump, a parameter measuring device, a sand settling tank, a filtering device and an analyzing device.

[0021] The sampling pump is placed in the water source to be tested, for example, in a river, to extract water from the river as the water sample to be tested. The output end of the sampling pump is connected to the main water sample line through a pipeline to pump the water sample to be tested to the main water sample line. Figure 1 A water pump is provided in the pipeline between the water pump and the water sample main pipeline, and a switch valve is provided on the pipeline between the water pump and the water sample main pipeline.

[0022] One implementation method is: two water pumps are connected in parallel and connected to the main water sample line to extract water samples to be tested from the river. The two water pumps can work at the same time or work in different time periods to be redundant. The switch valves on the pipeline between the two water pumps and the main water sample line are switch valve K1 and switch valve K2.

[0023] The parameter measuring device is connected to the main water sample line through a pipeline, and is used to accommodate the water sample to be tested injected from the main water sample line, and to detect the first type of parameters of the water sample to be tested. Specifically, the parameter measuring device includes: a detection pool and a detection device. The detection pool has a liquid inlet and a liquid outlet. The liquid inlet also serves as the inlet of the parameter measuring device, and is connected to the main water sample line through a pipeline so that the liquid in the main water sample line enters the detection pool. The liquid outlet serves as the inlet of the parameter measuring device, and is connected to the main water sample line through a pipeline, and is used to discharge the liquid in the detection pool to the main water sample line. The detection device is used to detect the first type of parameters of the liquid in the detection pool. The first type of parameter can be at least one of pH value, turbidity, conductivity, dissolved oxygen, and temperature.

[0024] A switch valve K3 is provided on the pipeline between the inlet of the parameter measuring device and the main water sample pipeline, and a switch valve K4 is provided on the pipeline between the outlet of the parameter measuring device and the main water sample pipeline. When the corresponding switch valve is opened, the liquid can flow in the direction indicated by the arrow.

[0025] Furthermore, an overflow port is provided on the upper portion of the parameter measuring device, and a discharge pipeline is connected to discharge the liquid in the detection pool back to the river.

[0026] The grit chamber is used to accommodate the water sample to be tested injected from the water sample main line and to achieve grit settling. Specifically, the grit chamber has a liquid inlet and a liquid outlet. The liquid inlet is connected to the water sample main line through a pipeline, and a switch valve K5 is provided on the pipeline. Opening the switch valve K5 allows the liquid in the water sample main line to enter the grit chamber. The liquid outlet is connected to the water sample main line through a pipeline, and a switch valve K6 is provided on the pipeline. Opening the switch valve K6 allows the liquid in the grit chamber to be discharged back to the water sample main line.

[0027] Furthermore, an overflow port is provided at the top of the grit chamber, and a discharge pipe is connected to discharge the liquid in the grit chamber back to the river.

[0028] The filter device is used to filter the water sample to be tested after the grit is treated in the grit chamber. Specifically, the filter device is connected to the grit chamber through a pipeline, and the pipeline is provided with a liquid pump and a switch valve K7. Opening the switch valve K7 allows the liquid after the grit is treated in the grit chamber to enter the filter device. The filter device can adopt two-stage filtration to improve the filtering effect.

[0029] The analysis device is used to detect and analyze the second type of parameters of the filtered water sample to be tested. Specifically, the analysis device includes an analysis pool and a detection instrument. The analysis pool is connected to the filtering device through a pipeline and is used to contain liquid. The detection instrument is used to detect and analyze the liquid in the analysis pool.

[0030] The technical solution provided in this embodiment adopts a sampling pump for extracting the water sample to be tested from the water source to be tested to the water sample main line; a parameter measuring device for accommodating the water sample to be tested injected from the water sample main line, and realizing the detection of the first type of parameters of the water sample to be tested; a grit chamber for accommodating the water sample to be tested injected from the water sample main line, and realizing grit settling; a filtering device for filtering the water sample to be tested after the grit settling treatment in the grit chamber; an analyzing device for detecting and analyzing the second type of parameters of the filtered water sample to be tested, thereby realizing the automatic extraction and detection of water from the water source to be tested, reducing the workload of people, improving the detection efficiency, realizing real-time detection, and improving the detection accuracy.

[0031] On the basis of the above technical solution, the second type of parameters includes: at least one of potassium permanganate content, phosphorus content, ammonia content, and nitrogen content. One implementation method is: the analysis device includes: at least one of a permanganate index analyzer, an ammonia nitrogen analyzer, a total phosphorus analyzer, and a total nitrogen analyzer to detect and analyze the above second type of parameters.

[0032] The outlet of the analysis pool is connected to the river through a pipeline, and a switch valve K8 is provided on the pipeline. When the switch valve K8 is opened, the liquid in the analysis pool can be discharged back to the river.

[0033] Furthermore, the automatic water quality detection system also includes a cleaning device for cleaning the water sample main pipeline. One implementation is: the cleaning device includes: a clean water injection mechanism, a compressed air injection mechanism and an ozone injection mechanism.

[0034] The clean water injection mechanism is connected to the water sample main line through a pipeline, and a switch valve K10 is provided on the pipeline. When the switch valve K10 is opened, clean water can be supplied to the water sample main line through the clean water injection mechanism to clean the water sample main line.

[0035] The compressed air injection mechanism is connected to the water sample main line through a pipeline, and a switch valve K11 is provided on the pipeline. By opening the switch valve K11, compressed air can be sent to the water sample main line, so that clean water flows to the water sample main line under high pressure, thereby improving the cleaning effect.

[0036] The ozone injection mechanism is connected to the main water sample pipeline through a pipeline, and a switch valve K12 is provided on this pipeline. By opening the switch valve K12, ozone can be sent into the main water sample pipeline to sterilize the main water sample pipeline and prevent the reproduction of algae.

[0037] As Figure 2 shown, on the basis of the above technical solution, this embodiment further provides a water quality automatic detection method, including:

[0038] Step 10: Open the switch valve between the sampling pump and the inlet of the parameter measuring device and the main water sample pipeline, and close the switch valve between the outlet of the parameter measuring device and the main water sample pipeline, so that the water sample to be detected pumped by the sampling pump enters the parameter measuring device for the first type of parameter detection.

[0039] Specifically, open the sampling pump and the corresponding switch valve K1, open the switch valve K3, and close the switch valve K4. Close the other sampling pump and the corresponding switch valve K2. So that the water sample to be detected pumped by the sampling pump enters the parameter measuring device to detect the first type of parameters such as pH value, turbidity, conductivity, dissolved oxygen, temperature, etc.

[0040] Step 20: Open the switch valve between the sampling pump and the inlet of the grit chamber and the main water sample pipeline, and close the switch valve between the outlet of the grit chamber and the main water sample pipeline, so that the water sample to be detected pumped by the sampling pump enters the grit chamber.

[0041] Specifically, open the sampling pump and the corresponding switch valve K1, open the switch valve K5, and close the switch valve K6, so that the water sample to be detected pumped by the sampling pump enters the grit chamber.

[0042] Step 30: Open the switch valve on the pipeline between the grit chamber and the analysis device, and close the switch valves between the grit chamber, the parameter measuring device and the main water sample pipeline, so that the water sample to be detected after grit removal treatment in the grit chamber enters the analysis device through the filtering device for the second type of parameter detection and analysis.

[0043] Specifically, open the switch valve K7, turn off the sampling pump, and close the switch valves K1, K3, and K5. So that the water sample to be detected after grit removal treatment in the grit chamber enters the analysis device through the filtering device for the second type of parameter detection and analysis, realizing the monitoring of water quality.

[0044] On the basis of the above solution, the following steps are further included:

[0045] Open the switch valve between the outlet of the parameter measuring device and the main water sample pipeline, open the switch valve between the outlet of the grit chamber and the main water sample pipeline, and open the switch valve between the outlet of the analysis device and the main water sample pipeline to discharge the detected water sample.

[0046] Specifically, after the detection is completed, the switch valve K7 is closed, and the switch valves K4, K6, and K8 are opened to discharge the liquid in the parameter measuring device, the sand settling tank, and the analysis device back to the river.

[0047] Furthermore, the method further comprises the following steps:

[0048] Open the switch valve between the clean water injection mechanism, the compressed air injection mechanism and the water sample main line to clean the water sample main line.

[0049] Specifically, the switch valves K1, K2, and K9 are closed, the switch valves K10 and K11 are opened, and high-pressure gas and clean water are introduced to perform water and gas cleaning on the entire set of pipelines.

[0050] Open the switch valve between the sampling mechanism and the water sample main line to perform ozone cleaning on the water sample main line.

[0051] Then close the switch valves K10 and K11, open the switch valve K12, and introduce ozone into the pipeline to perform ozone cleaning on the entire pipeline to prevent algae from growing in the pipeline.

[0052] The above-mentioned switch valves can be automatically opened or closed under the control of the controller to realize automatic extraction of liquid for testing, automatic drainage, and automatic cleaning of the pipeline. This process can be carried out regularly or periodically, for example, extraction and testing every two hours.

[0053] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0054] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0055] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or can communicate with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0056] Although the preferred embodiments of the present application have been described, those skilled in the art may make other changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications falling within the scope of the present application.

[0057] Obviously, those skilled in the art can make various changes and modifications to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is also intended to include these modifications and variations.

Claims

1. A water quality automatic detection system, It is characterized in that include: A sampling pump is used to extract the water sample to be tested from the water source to be tested to the water sample main pipeline; The parameter measuring device is used to receive the water sample to be tested injected from the water sample main pipeline and detect the first type of parameters of the water sample to be tested; The grit chamber is used to contain the water sample to be tested injected from the water sample main pipeline and to achieve grit settling; A filtering device, used for filtering the water sample to be tested after the grit treatment in the grit chamber; The analysis device is used to detect and analyze the second type of parameters of the filtered water sample to be tested.

2. The automatic water quality detection system according to claim 1, It is characterized in that Also includes: The cleaning device is used to clean the main water sample line.

3. The automatic water quality detection system according to claim 1, It is characterized in that The second type of parameters includes: at least one of potassium permanganate content, phosphorus content, ammonia content, and nitrogen content.

4. The automatic water quality detection system according to claim 3, It is characterized in that The analysis device comprises: at least one of a permanganate index analyzer, an ammonia nitrogen analyzer, a total phosphorus analyzer, and a total nitrogen analyzer.

5. The automatic water quality detection system according to claim 1, It is characterized in that The first type of parameters includes at least one of pH value, turbidity, conductivity, dissolved oxygen, and temperature.

6. The automatic water quality detection system according to claim 2, It is characterized in that The cleaning device comprises: a clean water injection mechanism, a compressed air injection mechanism and an ozone injection mechanism.

7. The automatic water quality detection system according to claim 1, It is characterized in that There are two sampling pumps, which are connected in parallel to the main water sample line.

8. A detection method applied to the automatic water quality detection system of any one of claims 1 to 7, It is characterized in that include: Open the switch valve between the sampling pump and the inlet of the parameter measuring device and the main water sample line, and close the switch valve between the outlet of the parameter measuring device and the main water sample line, so that the water sample to be tested drawn by the sampling pump enters the parameter measuring device to perform the first type of parameter detection; Open the switch valve between the sampling pump and the grit chamber inlet and the water sample main line, and close the switch valve between the grit chamber outlet and the water sample main line, so that the water sample to be tested drawn by the sampling pump enters the grit chamber; Open the switch valve on the pipeline between the grit chamber and the analysis device, and close the switch valve between the grit chamber, the parameter measuring device and the water sample main pipeline, so that the water sample to be tested after the grit treatment in the grit chamber can enter the analysis device after the filtering device for the second type of parameter detection and analysis.

9. The detection method according to claim 8, It is characterized in that Also includes: Open the switch valve between the parameter measurement device and the outlet and the water sample main line, open the switch valve between the grit chamber outlet and the water sample main line, open the switch valve between the analysis device outlet and the water sample main line, and discharge the tested water sample.

10. The detection method according to claim 8, It is characterized in that Also includes: Open the switch valves between the clean water injection mechanism, the compressed air injection mechanism and the water sample main line to clean the water sample main line; Open the switch valve between the sampling mechanism and the water sample main line to perform ozone cleaning on the water sample main line.

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