Multi-medium simulation device for migration and transformation of new pollutants

Abstract

The invention relates to the field of new pollutant migration simulation, and particularly discloses a new pollutant migration and conversion multi-medium simulation device which comprises a migration reaction cavity mechanism, a conduction plate, an environment simulation box mechanism, a new pollutant injection port and a collection channel. The migration reaction cavity mechanism comprises a migration reaction cavity I, a migration reaction cavity II and a migration reaction cavity III which are arranged in parallel at equal intervals, an electromagnetic valve I is arranged between the migration reaction cavity I and the migration reaction cavity II, and an electromagnetic valve II is arranged between the migration reaction cavity II and the migration reaction cavity III; through equidistant parallel layout of the migration reaction cavity I, the migration reaction cavity II and the migration reaction cavity III and in combination with the heat conduction and light transmission characteristics of the conduction plate, conditions such as illumination and temperature applied by the environment simulation box mechanism can be synchronously transmitted to each reaction cavity; simulation of migration and transformation processes of pollutants in multi-medium environments such as soil, water and air is realized.

Description

Technical Field

[0001] The present invention belongs to the field of new pollutant migration simulation, and specifically relates to a multi-media simulation device for the migration and transformation of new pollutants. Background Art

[0002] New pollutants refer to a class of pollutants that have been gradually identified in the environment in recent years, pose potential risks to the ecosystem and human health, and have not yet been included in the conventional environmental monitoring and control system.

[0003] The migration paths of new pollutants (such as PFAS and microplastics) in environmental media (water, soil, air) directly affect their exposure range. For example, PFAS migrates to drinking water sources through groundwater, or microplastics enter farmland through atmospheric deposition and ultimately accumulate through the food chain to endanger human health.

[0004] Studying the migration process can quantify the cumulative effects of pollutants in organisms and provide a basis for setting safety thresholds.

[0005] Traditional pollutant migration devices are mostly designed for a single medium and cannot simultaneously simulate the migration and transformation process of pollutants in solid-liquid-gas multiphase media, resulting in a large difference between experimental results and the real environment. Summary of the Invention

[0006] In order to solve the above technical problems, the present invention provides a multi-media simulation device for the migration and transformation of new pollutants to solve the problem that traditional pollutant migration devices in the prior art are mostly designed for a single medium and cannot simultaneously simulate the migration and transformation process of pollutants in solid-liquid-gas multiphase media, resulting in a large difference between experimental results and the real environment.

[0007] A multi-media simulation device for the migration and transformation of new pollutants includes a migration reaction chamber mechanism, a conduction plate, an environmental simulation chamber mechanism, a new pollutant injection port, and a collection channel; The migration reaction chamber mechanism includes Migration Reaction Chamber 1, Migration Reaction Chamber 2, and Migration Reaction Chamber 3 that are arranged in parallel at equal distances. A solenoid valve 1 is arranged between Migration Reaction Chamber 1 and Migration Reaction Chamber 2, and a solenoid valve 2 is arranged between Migration Reaction Chamber 2 and Migration Reaction Chamber 3; One side of the conduction plate is tightly sealed against one surface of Migration Reaction Chamber 1, Migration Reaction Chamber 2, and Migration Reaction Chamber 3, and the other side of the conduction plate is fixedly connected to the environmental simulation chamber mechanism; The conduction plate is made of a heat-conducting and light-transmitting material; The solenoid valve 1 and the solenoid valve 2 are arranged diagonally; The new pollutant injection port is arranged at the diagonal position of Migration Reaction Chamber 1 away from the solenoid valve 1, and the collection channel is arranged at the diagonal position of Migration Reaction Chamber 3 away from the solenoid valve 2.

[0008] Preferably, the environmental simulation chamber mechanism includes a simulation chamber housing, and a group of partition plates are fixedly installed inside the simulation chamber housing; The simulation chamber housing is hermetically fixed to one side of the conduction plate; A group of the partition plates equally divide the simulation chamber housing into three chambers, each chamber corresponding to migration reaction chamber one, migration reaction chamber two, and migration reaction chamber three respectively. The partition plates are made of heat-insulating and light-blocking materials; A lighting system and a heating system are arranged in each chamber separated by the partition plates.

[0009] Preferably, several groups of heat conduction channels are further arranged on one side of the simulation chamber housing; After passing through the conduction plate, several groups of the heat conduction channels respectively extend into migration reaction chamber one, migration reaction chamber two, and migration reaction chamber three.

[0010] Preferably, a sampling port one is further arranged outside migration reaction chamber one; The sampling port one is sealed under normal conditions; A sampling port two is further arranged outside migration reaction chamber two; The sampling port two is sealed under normal conditions; A sampling port three is further arranged outside migration reaction chamber three; The sampling port three is sealed under normal conditions.

[0011] Preferably, both solenoid valve one and solenoid valve two are adjustable flow solenoid valves and are both electrically connected to the central controller. The central controller controls the opening and closing and the opening degree of the valves through a preset program.

[0012] Preferably, the lighting system includes a multi-band LED light source and an ultraviolet lamp group, with a wavelength coverage range of 200 - 800 nm, and the light source intensity can be adjusted in grades through an external controller.

[0013] Preferably, the heating system is internally provided with a PID temperature control module, with a temperature adjustment range of -10°C to 150°C and an accuracy of ±0.5°C.

[0014] Preferably, soil, water body, and air medium are respectively filled in migration reaction chamber one, migration reaction chamber two, and migration reaction chamber three, and a medium replacement port is arranged on the side wall of the chamber. The medium replacement port is sealed by a flange.

[0015] Preferably, a data acquisition system is further included. The data acquisition system includes a pH sensor, a temperature sensor, and an optical concentration probe embedded in the migration reaction chamber, and the data is transmitted to an external terminal in real time through a wireless module.

[0016] Compared with the prior art, the present invention has the following beneficial effects: Through the equidistant parallel layout of Migration Reaction Chamber 1, Migration Reaction Chamber 2, and Migration Reaction Chamber 3, combined with the heat-conducting and light-transmitting characteristics of the conduction plate, conditions such as light and temperature applied by the environmental simulation box mechanism can be synchronously transmitted to each reaction chamber, realizing the simulation of the migration and transformation process of pollutants in multi-medium environments such as soil, water, and air; The diagonal setting of Solenoid Valve 1 and Solenoid Valve 2 forms a staggered flow channel. By extending the diffusion path of pollutants between the cavities, the tortuous migration characteristics of pollutants in the natural environment can be more realistically simulated; By controlling the opening and closing times of Solenoid Valve 1 and Solenoid Valve 2, the residence time of pollutants in each migration reaction chamber can be flexibly adjusted, providing controllable experimental conditions for the study of transformation mechanisms in different reaction stages. Brief Description of the Drawings

[0017] Figure 1 is a schematic diagram of the overall structure of the present invention; Figure 2 is a schematic diagram of the structure of the migration reaction chamber mechanism of the present invention; Figure 3 is a schematic diagram of the structure of Embodiment 3 of the present invention.

[0018] In the figure: 1. Migration reaction chamber mechanism; 11. Migration Reaction Chamber 1; 111. Sampling Port 1; 12. Migration Reaction Chamber 2; 121. Sampling Port 2; 13. Migration Reaction Chamber 3; 131. Sampling Port 3; 14. Solenoid Valve 1; 15. Solenoid Valve 2; 2. Conduction plate; 3. Environmental simulation box mechanism; 31. Simulation box housing; 32. Partition plate; 33. Lighting system; 34. Heating system; 35. Heat-conducting channel; 4. New pollutant injection port; 5. Collection channel. Detailed Embodiments

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0020] As Figure 1 shown: Embodiment 1: The present invention provides a multi-medium simulation device for the migration and transformation of new pollutants, including a migration reaction chamber mechanism 1, a conduction plate 2, an environmental simulation box mechanism 3, a new pollutant injection port 4, and a collection channel 5; The migration reaction chamber mechanism 1 includes a first migration reaction chamber 11, a second migration reaction chamber 12, and a third migration reaction chamber 13 that are arranged in parallel at equal intervals. A first solenoid valve 14 is provided between the first migration reaction chamber 11 and the second migration reaction chamber 12, and a second solenoid valve 15 is provided between the second migration reaction chamber 12 and the third migration reaction chamber 13; One side of the conduction plate 2 is hermetically attached to one surface of the first migration reaction chamber 11, the second migration reaction chamber 12, and the third migration reaction chamber 13, and the other side of the conduction plate 2 is fixedly connected to the environmental simulation box mechanism 3; The conduction plate 2 is made of a heat-conducting and light-transmitting material; The first solenoid valve 14 and the second solenoid valve 15 are arranged diagonally; The new pollutant injection port 4 is provided at the diagonal position of the first migration reaction chamber 11 away from the first solenoid valve 14, and the collection channel 5 is provided at the diagonal position of the third migration reaction chamber 13 away from the second solenoid valve 15.

[0021] As can be seen from the above, during operation, new pollutants are injected into the first migration reaction chamber 11 through the new pollutant injection port 4. Under the coordinated control of the first solenoid valve 14 and the second solenoid valve 15, the pollutants flow through the second migration reaction chamber 12 and the third migration reaction chamber 13 in sequence, and finally are discharged and collected through the collection channel 5; By controlling the working time of the first solenoid valve 14 and the second solenoid valve 15, the residence time of new pollutants in each reaction chamber can be indirectly controlled. Finally, the pollutants obtained finally can be collected through the collection channel 5 and further analyzed; Through its heat-conducting and light-transmitting characteristics, the conduction plate 2 transmits environmental conditions such as light and temperature applied by the environmental simulation box mechanism 3 to each migration reaction chamber, driving the pollutants to react under different conditions in each migration reaction chamber; Among them, the diagonal layout of the first solenoid valve 14 and the second solenoid valve 15 forms a staggered flow channel, extending the diffusion path of pollutants between the cavities; The diagonal setting of the new pollutant injection port 4 and the collection channel 5 can also promote the directional flow of pollutants through the spatial potential difference, realizing the dynamic process of simulating the migration of pollutants in the natural environment.

[0022] Such as Figure 2 shown: Embodiment 2: This embodiment is basically the same as the previous embodiment, except that the environmental simulation box mechanism 3 includes a simulation box housing 31, and a group of partition plates 32 are fixedly installed inside the simulation box housing 31; The simulation box housing 31 is hermetically fixed to one side of the conduction plate 2; A group of partition plates 32 divide the simulation box housing 31 into three chambers equally, and each chamber corresponds to the first migration reaction chamber 11, the second migration reaction chamber 12, and the third migration reaction chamber 13 respectively. The partition plates 32 are made of heat-insulating and light-blocking materials; In each chamber separated by the partition plate 32, a lighting system 33 and a heating system 34 are provided.

[0023] Specifically, several groups of heat conduction channels 35 are further provided on one side of the simulation box housing 31; The several groups of heat conduction channels 35 penetrate through the conduction plate 2 and then extend into the first migration reaction chamber 11, the second migration reaction chamber 12, and the third migration reaction chamber 13 respectively.

[0024] As can be seen from the above, during operation, the new pollutants enter the first migration reaction chamber 11 through the new pollutant injection port 4, flow through the first electromagnetic valve 14 to the second migration reaction chamber 12 in sequence, then enter the third migration reaction chamber 13 through the second electromagnetic valve 15, and finally are discharged and collected through the collection channel 5; During this process, the conduction plate 2 transfers the light and heat conditions generated by the lighting system 33 and the heating system 34 in the three independent chambers separated by the partition plate 32 in the environmental simulation box mechanism 3 to the corresponding migration reaction chambers; Preferably, the light and heat conditions can be guided into the first migration reaction chamber 11, the second migration reaction chamber 12, and the third migration reaction chamber 13 through the heat conduction channels 35, and the heat conduction channels 35 are made of heat-conducting transparent materials; The heat insulation and light blocking characteristics of the partition plate 32 ensure that the environments of each chamber do not interfere with each other, and the sealed connection between the simulation box housing 31 and the conduction plate 2 enables different media to act on the migration reaction chambers respectively under different light intensities and temperature gradients, driving the directional migration and multiphase transformation of pollutants in a differential environment.

[0025] As Figure 3 shown: Embodiment 3: This embodiment is basically the same as Embodiment 2, the difference is that a first sampling port 111 is further provided outside the first migration reaction chamber 11; The first sampling port 111 is sealed under normal conditions; Specifically, a second sampling port 121 is further provided outside the second migration reaction chamber 12; The second sampling port 121 is sealed under normal conditions; Specifically, a third sampling port 131 is further provided outside the third migration reaction chamber 13; The third sampling port 131 is sealed under normal conditions.

[0026] As can be seen from the above, during operation, the first sampling port 111, the second sampling port 121, and the third sampling port 131 are kept sealed under normal conditions. When sampling is required, the pollutant samples in the migration reaction chamber can be extracted in real time by opening the corresponding sampling port, and the migration and transformation states of pollutants in different media such as soil, water, and air can be analyzed. The sealed design ensures no leakage interference during the operation of the system and maintains the stability of the experimental environment.

[0027] Example 4: This example is basically the same as Example 2, except that both solenoid valve 14 and solenoid valve 15 are adjustable flow solenoid valves and are electrically connected to the central controller, and the central controller controls the opening and closing and the opening degree of the valves through a preset program.

[0028] Specifically, the lighting system 33 includes a multi-band LED light source and an ultraviolet lamp group, with a wavelength coverage range of 200 - 800 nm, and the light source intensity can be adjusted in grades through an external controller.

[0029] Specifically, the heating system 34 is built-in with a PID temperature control module, with a temperature adjustment range of -10°C to 150°C and an accuracy of ±0.5°C.

[0030] Specifically, the first migration reaction chamber 11, the second migration reaction chamber 12, and the third migration reaction chamber 13 are respectively filled with soil, water body, and air media, and a media replacement port is provided on the side wall of the chamber, and the media replacement port is sealed by a flange.

[0031] As can be seen from the above, during the operation process, the lighting system 33 provides a composite light field that can be adjusted in grades through the multi-band LED light source and the ultraviolet lamp group, and the heating system 34 uses the PID temperature control module to accurately control the temperature. The two synchronously act on each reaction chamber through the conduction plate 2 with different light and heat conditions; The media replacement port 16 on the side wall of the migration reaction chamber is sealed by a flange to realize the rapid replacement of soil, water body, and air media. Combined with the coordinated control of the flow of the solenoid valve, it accurately simulates the dynamic migration, interphase transformation, and environmental response process of pollutants in the solid-liquid-gas multiphase media.

[0032] Example 5: This example is basically the same as Example 2, except that it further includes a data acquisition system. The data acquisition system includes a pH sensor, a temperature sensor, and an optical concentration probe embedded in the migration reaction chamber, and the data is transmitted to an external terminal in real time through a wireless module.

[0033] As can be seen from the above, during the operation process, the data acquisition system real-time monitors the dynamic changes of the pH value, temperature, and concentration of pollutants in the soil, water body, and air media through the pH sensor, temperature sensor, and optical concentration probe embedded in each migration reaction chamber, and synchronously transmits the data to the external terminal through the wireless module; The lighting system 33 and the heating system 34 of the environmental simulation box mechanism 3 transfer customized light and heat conditions to the migration reaction chamber through the conduction plate 2, and the real-time feedback of the data acquisition system can be linked with the central controller. When the pollutant concentration is detected to be abnormal, the solenoid valve emergency closing program is automatically triggered to ensure the controllability and safety of the experimental process, and at the same time provide accurate dynamic data support for the research on the multi-media migration and transformation mechanism.

[0034] All the standard parts used in the present invention can be purchased from the market. The special-shaped parts can be customized according to the descriptions in the specification and the attached drawings. The specific connection methods of each part all adopt conventional means such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts, and equipment all adopt conventional models in the prior art. In addition, the circuit connection adopts a conventional connection method in the prior art, which will not be elaborated here. The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0035] In the description of the present invention, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. The meaning of "a plurality" is two or more, unless otherwise specifically defined.

[0036] In the present invention, unless otherwise clearly specified and defined, the terms such as "mounted", "connected", "coupled", "fixed", etc. shall be construed in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the internal communication of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0037] In the present invention, unless otherwise clearly specified and defined, the first feature being "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature may be that the first feature is directly above or obliquely above the second feature, or merely indicates that the first feature has a higher horizontal height than the second feature. The first feature being "under", "below" and "beneath" the second feature may be that the first feature is directly below or obliquely below the second feature, or merely indicates that the first feature has a lower horizontal height than the second feature.

[0038] In the description of this specification, the description referring to terms such as "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0039] In the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are involved, and other structures can refer to the general design. Without conflict, the same embodiment and different embodiments of the present invention can be combined with each other.

[0040] Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A new pollutant migration and transformation multi-media simulation device, characterized in that: It comprises a migration reaction chamber mechanism (1), a conduction plate (2), an environmental simulation box mechanism (3), a new pollutant injection port (4) and a collection channel (5); The migration reaction chamber mechanism (1) comprises a migration reaction chamber 1 (11), a migration reaction chamber 2 (12) and a migration reaction chamber 3 (13) which are equidistantly arranged in parallel, a solenoid valve 1 (14) is arranged between the migration reaction chamber 1 (11) and the migration reaction chamber 2 (12), and a solenoid valve 2 (15) is arranged between the migration reaction chamber 2 (12) and the migration reaction chamber 3 (13); One side of the conductive plate (2) is tightly sealed against one surface of the migration reaction chamber 1 (11), the migration reaction chamber 2 (12) and the migration reaction chamber 3 (13), and the other side of the conductive plate (2) is fixedly connected to an environmental simulation box mechanism (3); The conducting plate (2) is made of a heat-conducting and light-transmitting material; The solenoid valve 1 (14) and the solenoid valve 2 (15) are arranged diagonally; The new pollutant injection port (4) is arranged at a diagonal position on the migration reaction chamber 1 (11) away from the solenoid valve 1 (14), and the collection channel (5) is arranged at a diagonal position on the migration reaction chamber 3 (13) away from the solenoid valve 2 (15); The environmental simulation box mechanism (3) comprises a simulation box shell (31), and a group of partition plates (32) are fixedly installed inside the simulation box shell (31); The simulation box housing (31) is sealed and fixed to one side of the conductive plate (2); A group of partition plates (32) divides the simulation box housing (31) into three equal chambers, each chamber corresponding to migration reaction chamber 1 (11), migration reaction chamber 2 (12) and migration reaction chamber 3 (13), and the partition plates (32) are made of heat-insulating and light-blocking material; Each chamber separated by the partition plate (32) is provided with a lighting system (33) and a heating system (34); A plurality of groups of heat conduction channels (35) are also provided on one side of the simulation box housing (31); A plurality of groups of heat conduction channels (35) penetrate the conductive plate (2) and extend into migration reaction chamber one (11), migration reaction chamber two (12) and migration reaction chamber three (13) respectively.

2. A new pollutant migration and transformation multi-media simulation device as claimed in claim 1, characterized in that: A sampling port 1 (111) is also provided on the outer side of the migration reaction chamber 1 (11); The sampling port 1 (111) is sealed under normal conditions; A second sampling port (121) is also provided on the outer side of the second migration reaction chamber (12); The sampling port 2 (121) is sealed under normal conditions; The outer side of the migration reaction chamber three (13) is also provided with a sampling port three (131); The sampling port three (131) is normally sealed.

3. A new pollutant migration and transformation multi-media simulation device as claimed in claim 1, characterized in that: The solenoid valve 1 (14) and the solenoid valve 2 (15) are both adjustable flow solenoid valves, and are both electrically connected to a central controller, which controls the opening and closing and the degree of opening of the valves through a preset program.

4. A new pollutant migration and transformation multi-media simulation device as claimed in claim 1, characterized in that: The lighting system (33) comprises a multi-band LED light source and an ultraviolet lamp group, the wavelength coverage range is 200-800nm, and the light source intensity can be adjusted in stages through an external controller.

5. A new pollutant migration and transformation multi-media simulation device as claimed in claim 1, characterized in that: The heating system (34) has a built-in PID temperature control module, with a temperature adjustment range of -10°C to 150°C and an accuracy of ±0.5°C.

6. A new pollutant migration and transformation multi-media simulation device as claimed in claim 1, characterized in that: The migration reaction chamber 1 (11), the migration reaction chamber 2 (12) and the migration reaction chamber 3 (13) are filled with soil, water and air media respectively, and the side walls of the chambers are provided with medium replacement ports, and the medium replacement ports are sealed by flanges.

7. A new pollutant migration and transformation multi-media simulation device as claimed in claim 1, characterized in that: It also includes a data acquisition system, which includes a pH sensor, a temperature sensor and an optical concentration probe embedded in the migration reaction chamber, and the data is transmitted to an external terminal in real time through a wireless module.

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