Soil column leaching experiment system and control method thereof

Abstract

The invention discloses a soil column leaching experiment system and a control method thereof, and relates to the field of soil experiment equipment, in the soil column leaching experiment system, soil columns with different soil layers are accommodated in a soil column container at different depths; the intelligent leaching system is connected with the soil column container; the humidity measuring device is arranged in the soil column container; water quality analyzers are arranged at outlets at different depths of the soil column container; the intelligent leaching system, the humidity measuring device and the water quality analyzer are all connected with the data acquisition control system; the data acquisition control system obtains experimental data according to the soil humidity measured by the humidity measuring device and the chemical components of the leaching solution analyzed by the water quality analyzer, and adjusts the current experimental parameters of the intelligent leaching system, so that the soil column leaching process can be simulated and researched, the leaching conditions can be automatically adjusted, and the experimental data can be accurately acquired; and the experiment process is monitored in real time, so that the experiment accuracy and efficiency are improved.

Description

Technical Field

[0001] The present application relates to the field of soil science experimental equipment, and in particular to a soil column leaching experimental system and a control method thereof. Background Art

[0002] Traditional soil column leaching experimental devices usually have problems such as complex operation, inaccurate data collection, and inability to monitor and adjust experimental conditions in real time. In addition, the devices often lack automation and intelligent functions, which limits the accuracy and efficiency of the experiment. Summary of the invention

[0003] The purpose of this application is to provide a soil column leaching experimental system and a control method thereof, which can simulate and study the soil column leaching process, automatically adjust the leaching conditions, accurately collect experimental data, and monitor the experimental process in real time, thereby improving the accuracy and efficiency of the experiment.

[0004] To achieve the above objectives, this application provides the following solutions:

[0005] In a first aspect, the present application provides a soil column leaching experimental system, comprising: a soil column container, an intelligent leaching system, a humidity measuring device, a water quality analyzer, and a data acquisition control system;

[0006] The soil column container contains soil columns of different soil layers at different depths; the soil types or depths of different soil layers are different; the intelligent leaching system is connected to the soil column container; the humidity measuring device is arranged inside the soil column container; the water quality analyzer is arranged at the outlet of the soil column container at different depths; the intelligent leaching system, the humidity measuring device and the water quality analyzer are all connected to the data acquisition and control system;

[0007] The intelligent leaching system is used to provide leaching solution to the soil column container; the humidity measuring device is used to measure the soil moisture of the soil column at each soil layer in real time; the water quality analyzer is used to analyze the chemical composition of the leaching solution at the outlet of the soil column container at different depths; the data acquisition and control system is used to receive the soil moisture measured by the humidity measuring device and the chemical composition of the leaching solution analyzed by the water quality analyzer, analyze the experimental data according to the soil moisture and the chemical composition, and adjust the current experimental parameters of the intelligent leaching system according to the soil moisture and the chemical composition.

[0008] Optionally, the soil column leaching experimental system further comprises: an environmental simulation chamber;

[0009] The environmental simulation chamber is connected to the soil column container and the data acquisition control system; the data acquisition control system is used to control the environmental simulation chamber to simulate preset environmental conditions; the environmental simulation chamber is used to maintain the preset environmental conditions in the soil column container.

[0010] Optionally, the soil column leaching experiment system further comprises: a human-computer interaction module; the human-computer interaction module is connected to the data acquisition control system;

[0011] The human-computer interaction module is used for:

[0012] The user inputs preset experimental parameters and preset environmental conditions;

[0013] The soil moisture measured by the moisture measuring device, the chemical composition of the leaching solution analyzed by the water quality analyzer, the environmental conditions simulated by the environmental simulation room, the experimental data and the current experimental parameters are displayed in real time.

[0014] Optionally, the intelligent leaching system comprises: a liquid storage tank, a flow control unit and a component control unit;

[0015] The data acquisition control system is connected to the flow control unit and the component control unit respectively; the flow control unit and the component control unit are both connected to the liquid storage tank; the liquid storage tank is connected to the soil column container;

[0016] The liquid storage tank is used to store the leaching solution; the data acquisition control system is used to adjust the current experimental parameters through the flow control unit and the component control unit according to the soil moisture and the chemical composition.

[0017] Optionally, the humidity measuring device comprises: a soil humidity sensor array; the soil humidity sensor array comprises: a plurality of humidity sensors; the plurality of humidity sensors are evenly distributed at different depths inside the soil column container.

[0018] Optionally, the chemical composition includes at least one of pH value, electrical conductivity, dissolved oxygen content, nitrogen content, phosphorus content and potassium content.

[0019] Optionally, the environmental condition includes at least one of temperature, humidity and light.

[0020] Optionally, the experimental parameters include: type, flow rate and chemical composition of the eluent.

[0021] Optionally, the experimental data include: soil moisture change trend and chemical composition change trend of the leachate solution.

[0022] In a second aspect, the present application provides a control method for a soil column leaching experimental system, the control method being used for the above-mentioned soil column leaching experimental system, the control method comprising:

[0023] Control the intelligent leaching system to provide leaching solution to the soil column container;

[0024] Controlling the moisture measuring device to measure the soil moisture of the soil column at each soil layer in real time;

[0025] Control the water quality analyzer to analyze the chemical composition of the leachate at the outlet of different depths of the soil column container;

[0026] Receive soil moisture measured by a moisture measuring device and chemical composition of the leaching solution analyzed by a water quality analyzer;

[0027] analyzing experimental data according to the soil moisture and the chemical composition;

[0028] The current experimental parameters of the intelligent leaching system are adjusted according to the soil moisture and the chemical composition.

[0029] According to the specific embodiments provided in this application, this application has the following technical effects:

[0030] The present application provides a soil column leaching experimental system and a control method thereof. The soil columns of different soil layers are accommodated at different depths inside a soil column container. The data acquisition and control system obtains experimental data and adjusts the current experimental parameters of the intelligent leaching system based on the soil moisture of the soil columns of each soil layer measured in real time by a humidity measuring device and the chemical composition of the leaching solution at the outlets of different depths of the soil column container analyzed by a water quality analyzer, thereby realizing the simulation and research of the soil column leaching process, being able to automatically adjust the leaching conditions, accurately collect experimental data, and monitor the experimental process in real time, thereby improving the accuracy and efficiency of the experiment. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0032] Figure 1 A schematic diagram of the structure of a soil column leaching experimental system provided in one embodiment of the present application;

[0033] Figure 2 A schematic diagram of the structure of a soil column container provided in one embodiment of the present application;

[0034] Figure 3A flow chart of a control method for a soil column leaching experimental system provided in another embodiment of the present application.

[0035] Reference numerals: soil column container—1, inlet—2, moisture sensor—3, outlet—4. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0037] In order to make the above-mentioned objects, features and advantages of the present application more obvious and easy to understand, the present application is further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0038] The present application embodiment provides a soil column leaching experimental system, which is implemented by intelligent control and is an experimental device for simulating and studying the soil leaching process. Figure 1 The soil column leaching experimental system provided in the embodiment of the present application includes: a soil column container, an intelligent leaching system, a humidity measuring device, a water quality analyzer and a data acquisition and control system.

[0039] The soil column container contains soil columns of different soil layers at different depths; the soil types or depths of different soil layers are different; the intelligent leaching system is connected to the soil column container; the humidity measuring device is arranged inside the soil column container; the water quality analyzer is arranged at the outlet of the soil column container at different depths; the intelligent leaching system, the humidity measuring device and the water quality analyzer are all connected to the data acquisition and control system.

[0040] The intelligent leaching system is used to provide leaching solution to the soil column container. The humidity measuring device is used to measure the soil humidity of the soil column at each soil layer in real time. The water quality analyzer is used to analyze the chemical composition of the leaching solution at the outlet of the soil column container at different depths; the chemical composition includes: at least one of pH value, electrical conductivity, dissolved oxygen content, nitrogen content, phosphorus content and potassium content. The data acquisition and control system is used to receive the soil humidity measured by the humidity measuring device and the chemical composition of the leaching solution analyzed by the water quality analyzer, analyze the experimental data according to the soil humidity and the chemical composition, and adjust the current experimental parameters of the intelligent leaching system according to the soil humidity and the chemical composition. The experimental data includes: soil humidity change trend and chemical composition change trend of the leaching solution. The experimental parameters include: type, flow rate and chemical composition of the leaching solution.

[0041] The soil column leaching experimental system of this embodiment realizes the simulation and research of the soil leaching process. The system can automatically adjust the leaching conditions, accurately collect experimental data, and monitor the experimental process in real time, thereby improving the accuracy and efficiency of the experiment.

[0042] In an exemplary embodiment, the humidity measuring device comprises: a soil humidity sensor array; the soil humidity sensor array comprises: a plurality of humidity sensors; the plurality of humidity sensors are evenly distributed at different depths inside the soil column container, and each humidity sensor is marked with a corresponding number and position. The humidity sensor can monitor soil humidity in real time, convert it into an electrical signal, and transmit it to a data acquisition control system.

[0043] In another exemplary embodiment of the present application, the soil column container contains soil columns simulating different soil layers, and the soil column container is the core part of the experimental system, which is made of a cylindrical impermeable material. Figure 2 The interior of the soil column container 1 is divided into multiple levels ( Figure 2 The soil column container 1 is shown by dotted lines in FIG. 1 , and each layer represents a different soil depth. The top of the soil column container 1 is provided with an inlet 2, and the intelligent leaching system is connected to the soil column container 1 through the inlet 2; each layer of the soil column container 1 is provided with an outlet 4, which is located on the side and bottom of the soil column container 1 to install a humidity sensor 3 and collect leaching solution.

[0044] In another exemplary embodiment of the present application, the intelligent leaching system provides an adjustable leaching solution, and the intelligent leaching system includes: a liquid storage tank, a flow control unit and a component control unit.

[0045] The data acquisition control system is connected to the flow control unit and the component control unit respectively; the flow control unit and the component control unit are both connected to the liquid storage tank; and the liquid storage tank is connected to the soil column container.

[0046] The liquid storage tank is used to store the leaching solution. The flow control unit is used to adjust the flow of the leaching solution according to a preset program or real-time data. The component adjustment unit is used to adjust the chemical composition of the leaching solution as needed to simulate different environmental conditions. The data acquisition control system is used to adjust the current experimental parameters through the flow control unit and the component control unit according to the real-time measured soil moisture and the analyzed chemical composition.

[0047] In another exemplary embodiment of the present application, the water quality analyzer is a multi-parameter water quality analyzer; the multi-parameter water quality analyzer is integrated at the outlet of the leaching solution of the soil column container, and can automatically analyze the pH value, conductivity, dissolved oxygen content, nitrogen content, phosphorus content, potassium content and other parameters in the leaching solution, and the analysis results are transmitted to the data acquisition control system in real time.

[0048] In another exemplary embodiment of the present application, the data acquisition control system is the brain of the system, which includes a central processing unit, a control unit and a data management unit. The central processing unit is responsible for processing data from the soil moisture sensor array and the multi-parameter water quality analyzer. The control unit automatically adjusts the intelligent leaching system according to the processing results to maintain the preset experimental conditions. The data management unit is responsible for storing and managing the experimental data for user retrieval and analysis.

[0049] In another exemplary embodiment of the present application, please refer to Figure 1 The soil column leaching experimental system further includes: an environmental simulation chamber. The environmental simulation chamber is connected to the soil column container and the data acquisition control system; the data acquisition control system is used to control the environmental simulation chamber to simulate preset environmental conditions; the environmental simulation chamber is used to maintain the preset environmental conditions in the soil column container.

[0050] The environmental simulation chamber of the present embodiment is a closed space with adjustable temperature, humidity and illumination, which can simulate different environmental conditions. It is connected to the soil column container to ensure that the environmental conditions in the soil column container are consistent with those in the environmental simulation chamber during the experiment.

[0051] In another exemplary embodiment of the present application, please refer to Figure 1 The soil column leaching experimental system also includes: a human-computer interaction module; the human-computer interaction module is connected to the data acquisition and control system.

[0052] The human-computer interaction module is used for: the user inputs preset experimental parameters and preset environmental conditions; and displays in real time the soil moisture measured by the humidity measuring device, the chemical composition of the leaching solution analyzed by the water quality analyzer, the environmental conditions simulated by the environmental simulation room, the experimental data, and the current experimental parameters. The environmental conditions include: at least one of temperature, humidity, and light.

[0053] The human-computer interaction module of this embodiment includes a user interface, which is an interactive interface that allows the user to set experimental parameters, monitor the experimental status, and retrieve historical data. The user interface includes a display unit for displaying experimental parameters, real-time data (soil moisture and chemical composition of the leaching solution), and environmental conditions; an input unit for receiving experimental parameters input by the user, the input unit includes a control panel for setting experimental parameters, such as a flow adjustment knob, a component selection button, and an environmental condition setting slider; a data management unit for storing and managing experimental data, the data management unit includes an interface for retrieving and analyzing experimental data, such as a data report generation button, a data export option, and a historical data viewing interface.

[0054] An experimental process of the soil column leaching experimental system of this embodiment is as follows:

[0055] (1) The user sets the experimental parameters (including the flow rate and composition of the elution solution) and the environmental conditions of the environmental simulation chamber through the user interface in the human-computer interaction module.

[0056] (2) The system automatically starts the intelligent leaching system according to the set experimental parameters and begins the leaching experiment.

[0057] (3) During the experiment, the soil moisture sensor array and the multi-parameter water quality analyzer monitor the soil moisture and the chemical composition of the leaching solution in real time and transmit the data to the data acquisition and control system.

[0058] (4) The data acquisition and control system automatically adjusts the intelligent leaching system according to real-time data to maintain the preset experimental conditions.

[0059] (5) After the experiment, users can retrieve and analyze the experimental data through the user interface in the human-computer interaction module.

[0060] The soil column leaching experiment system of this embodiment has the following advantages: (1) Automation: The automation of the experimental process reduces human operation errors and improves the repeatability of the experiment. (2) Intelligence: The data acquisition and control system can automatically adjust the experimental conditions according to real-time data, which improves the accuracy of the experiment. (3) Accurate data acquisition: The multi-parameter water quality analyzer and soil moisture sensor array provide accurate data acquisition. (4) Environmental simulation: The environmental simulation chamber allows experiments to be conducted in a controlled environment, which improves the controllability of the experiment.

[0061] Based on the same inventive concept, the embodiment of the present application also provides a control method for controlling the soil column leaching experimental system involved above. The implementation scheme for solving the problem provided by the control method is similar to the implementation scheme recorded in the soil column leaching experimental system above, so the specific limitations in one or more control method embodiments provided below can refer to the limitations of the soil column leaching experimental system above, and will not be repeated here.

[0062] In an exemplary embodiment, Figure 3 As shown, a control method for a soil column leaching experimental system is provided, and the control method comprises:

[0063] Step 301: Control the intelligent leaching system to provide leaching solution to the soil column container.

[0064] Step 302: Control the moisture measuring device to measure the soil moisture of the soil column of each soil layer in real time.

[0065] Step 303: Control the water quality analyzer to analyze the chemical composition of the leachate at the outlets of the soil column container at different depths.

[0066] Step 304: receiving the soil moisture measured by the moisture measuring device and the chemical composition of the leaching solution analyzed by the water quality analyzer.

[0067] Step 305: Analyze experimental data based on the soil moisture and the chemical composition.

[0068] Step 306: Adjust the current experimental parameters of the intelligent leaching system according to the soil moisture and the chemical composition.

[0069] The experimental process of this application is further described in detail below from the aspects of system assembly and initialization, experimental operation, and data analysis and reporting.

[0070] (1) System assembly and initialization.

[0071] ① Prepare a soil column container, the interior of which is divided into multiple layers, and each layer is filled with soil columns of different types or depths.

[0072] ②Install the soil moisture sensor array, making sure that each moisture sensor is placed at the predetermined position of the soil column container.

[0073] ③Connect the intelligent leaching system to the soil column container, including the liquid storage tank, flow control unit and composition adjustment unit.

[0074] ④Install the multi-parameter water quality analyzer at the outlet of the leaching solution of the soil column container.

[0075] ⑤Connect the data acquisition control system to all humidity sensors and water quality analyzers, and ensure that the central processing unit, control unit and data management unit are correctly configured.

[0076] ⑥ Set up an environmental simulation room to ensure that it can simulate the required temperature, humidity and light conditions.

[0077] ⑦ Start the user interface in the human-computer interaction module and initialize the system, including entering experimental parameters and setting the conditions of the environmental simulation room.

[0078] (2) Experimental operation.

[0079] ① Set the experimental parameters (including the type, flow rate, and composition of the leaching solution) and the environmental conditions of the environmental simulation room (including temperature, humidity, and light) through the user interface in the human-computer interaction module.

[0080] ② Start the intelligent leaching system and start supplying leaching solution to the soil column container. The system automatically adjusts the supply of leaching solution according to the preset flow rate and composition adjustment unit.

[0081] ③ The soil moisture sensor array and multi-parameter water quality analyzer begin to monitor soil moisture and the chemical composition of the leaching solution in real time, and the data acquisition and control system records all data.

[0082] ④ During the experiment, if the soil moisture or the chemical composition of the leaching solution exceeds the preset range, the data acquisition and control system will automatically adjust the flow control unit and composition adjustment unit of the intelligent leaching system to maintain the experimental conditions.

[0083] ⑤ During the experiment, the user can monitor the experimental status (including soil moisture, chemical composition of the leaching solution and environmental conditions of the environmental simulation room) in real time through the user interface.

[0084] ⑥After the experiment is over, the data acquisition and control system stops recording data, and users can retrieve and analyze the experimental data through the user interface and export data reports.

[0085] (3) Data analysis and reporting.

[0086] ① Use the data management unit of the user interface to analyze the collected experimental data (including soil moisture change trends, changes in the chemical composition of the leachate, etc.).

[0087] ② Based on the analysis results, generate an experimental report (including experimental conditions, experimental process, data analysis and conclusions, etc.).

[0088] ③ Export the experimental report to PDF or other formats for further research or record keeping.

[0089] This embodiment realizes the simulation and research of the leaching process of the soil column by setting experimental parameters; starting the intelligent leaching system to conduct the leaching experiment; real-time monitoring of soil moisture and the chemical composition of the leaching solution; automatically adjusting the leaching conditions according to the real-time data; and retrieving and analyzing the experimental data after the experiment. It can automatically adjust the leaching conditions, accurately collect experimental data, and monitor the experimental process in real time, thereby improving the accuracy and efficiency of the experiment.

[0090] In an exemplary embodiment, a computer device is also provided, including a memory and a processor, wherein a computer program is stored in the memory, and when the processor executes the computer program, the steps in the control method embodiment of the soil column leaching experimental system are implemented.

[0091] In an exemplary embodiment, a computer-readable storage medium is provided, storing a computer program, which, when executed by a processor, implements the steps in the control method embodiment of the soil column leaching experimental system.

[0092] In an exemplary embodiment, a computer program product is provided, including a computer program, which, when executed by a processor, implements the steps in the above-mentioned control method embodiment of the soil column leaching experimental system.

[0093] The technical features of the above embodiments may be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0094] This article uses specific examples to illustrate the principles and implementation methods of this application. The description of the above embodiments is only used to help understand the method and core ideas of this application. At the same time, for those skilled in the art, according to the ideas of this application, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as limiting this application.

Claims

1. A soil column leaching experimental system, characterized in that: The soil column leaching experimental system comprises: a soil column container, an intelligent leaching system, a humidity measuring device, a water quality analyzer and a data acquisition control system; The soil column container contains soil columns of different soil layers at different depths; the soil types or depths of different soil layers are different; the intelligent leaching system is connected to the soil column container; the humidity measuring device is arranged inside the soil column container; the water quality analyzer is arranged at the outlet of the soil column container at different depths; the intelligent leaching system, the humidity measuring device and the water quality analyzer are all connected to the data acquisition and control system; The intelligent leaching system is used to provide leaching solution to the soil column container; the humidity measuring device is used to measure the soil moisture of the soil column at each soil layer in real time; the water quality analyzer is used to analyze the chemical composition of the leaching solution at the outlet of the soil column container at different depths; the data acquisition and control system is used to receive the soil moisture measured by the humidity measuring device and the chemical composition of the leaching solution analyzed by the water quality analyzer, analyze the experimental data according to the soil moisture and the chemical composition, and adjust the current experimental parameters of the intelligent leaching system according to the soil moisture and the chemical composition.

2. The soil column leaching experimental system according to claim 1, characterized in that: The soil column leaching experimental system also includes: an environmental simulation chamber; The environmental simulation chamber is connected to the soil column container and the data acquisition control system; the data acquisition control system is used to control the environmental simulation chamber to simulate preset environmental conditions; the environmental simulation chamber is used to maintain the preset environmental conditions in the soil column container.

3. The soil column leaching experimental system according to claim 2, characterized in that: The soil column leaching experimental system further includes: a human-computer interaction module; the human-computer interaction module is connected to the data acquisition control system; The human-computer interaction module is used for: The user inputs preset experimental parameters and preset environmental conditions; The soil moisture measured by the moisture measuring device, the chemical composition of the leaching solution analyzed by the water quality analyzer, the environmental conditions simulated by the environmental simulation room, the experimental data and the current experimental parameters are displayed in real time.

4. The soil column leaching experimental system according to claim 1, characterized in that: The intelligent leaching system comprises: a liquid storage tank, a flow control unit and a component control unit; The data acquisition control system is connected to the flow control unit and the component control unit respectively; the flow control unit and the component control unit are both connected to the liquid storage tank; the liquid storage tank is connected to the soil column container; The liquid storage tank is used to store the leaching solution; the data acquisition control system is used to adjust the current experimental parameters through the flow control unit and the component control unit according to the soil moisture and the chemical composition.

5. The soil column leaching experimental system according to claim 1, characterized in that: The humidity measuring device comprises: a soil humidity sensor array; the soil humidity sensor array comprises: a plurality of humidity sensors; the plurality of humidity sensors are evenly distributed at different depths inside the soil column container.

6. The soil column leaching experimental system according to claim 1, characterized in that: The chemical composition includes at least one of pH value, electrical conductivity, dissolved oxygen content, nitrogen content, phosphorus content and potassium content.

7. The soil column leaching experimental system according to claim 2, characterized in that: The environmental condition includes at least one of temperature, humidity and light.

8. The soil column leaching experimental system according to claim 1, characterized in that: The experimental parameters include: the type, flow rate and chemical composition of the eluent.

9. The soil column leaching experimental system according to claim 1, characterized in that: The experimental data include: soil moisture variation trend and chemical composition variation trend of the leachate solution.

10. A control method for a soil column leaching experimental system, characterized in that: The control method is used in the soil column leaching experimental system according to any one of claims 1 to 9, and the control method comprises: Control the intelligent leaching system to provide leaching solution to the soil column container; Controlling the moisture measuring device to measure the soil moisture of the soil column at each soil layer in real time; Control the water quality analyzer to analyze the chemical composition of the leachate at the outlet of different depths of the soil column container; Receive soil moisture measured by a moisture measuring device and chemical composition of the leaching solution analyzed by a water quality analyzer; analyzing experimental data according to the soil moisture and the chemical composition; The current experimental parameters of the intelligent leaching system are adjusted according to the soil moisture and the chemical composition.

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