CN212320788U - Underground water-containing site pollutant exposure scene analysis simulation device - Google Patents
Underground water-containing site pollutant exposure scene analysis simulation device Download PDFInfo
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- CN212320788U CN212320788U CN202021548933.1U CN202021548933U CN212320788U CN 212320788 U CN212320788 U CN 212320788U CN 202021548933 U CN202021548933 U CN 202021548933U CN 212320788 U CN212320788 U CN 212320788U
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Abstract
The utility model discloses a pollutant exposure scene analysis simulation device for a ground water containing ground, which comprises a simulation reaction box, a soil body arranged in the simulation reaction box, a box bottom temperature control layer connected between the soil body and the bottom surface of the simulation reaction box, a downstream water collecting and breeding area above the soil body, a groundwater flow system connected on the simulation reaction box, a pollutant injection system, a sampling system, an environment control system and a metering system; the environment control system comprises a temperature sub-control system, a humidity sub-control system and a ventilation sub-control system; the utility model is beneficial to ensuring the diversity and accuracy of the simulation scene through the arrangement of the simulation reaction box; through the arrangement of each system and each subsystem, the control of the water and soil environment, the pollutant distribution, the monitoring, the detection and the like in the simulation reaction box are facilitated, and the control of scene conditions and the acquisition and the control of exposure process data are further facilitated; and the pollutant migration and conversion and the real-time control of the exposure condition can be carried out according to different environmental conditions.
Description
Technical Field
The utility model belongs to the technical field of the environmental protection, in particular to contain groundwater place pollutant and expose sight analysis analogue means.
Background
In the field of environmental health risk assessment of polluted sites, a pollutant intake way is an important factor for researching the influence of the pollutant on human health, and currently, the environmental health risk assessment mainly adopts three intake ways in the United states EPA four-step method: oral intake, respiratory inhalation and skin contact, and the main influencing factors of the three intake routes comprise meteorological conditions, pollution source scale and type, soil layer thickness, underground water burial depth, runoff route and the like. In an actual polluted site, various influence elements are combined to form different exposure scenes. The toxicity of pollutants is researched more at home and abroad, but the influence of the pollutants on human health under different exposure situations is researched less. Thus, it is desirable to analyze the contamination characteristics for a particular contaminant, under a particular exposure scenario.
SUMMERY OF THE UTILITY MODEL
The utility model provides a contain groundwater place pollutant and expose sight analysis analogue means for specific pollutant exposes technical problem such as sight chemical analysis under specific soil environment, groundwater environment and the different environmental condition.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a pollutant exposure scene analysis simulation device for a ground water-containing field comprises a simulation reaction box, a soil body arranged in the simulation reaction box, a box bottom temperature control layer connected between the soil body and the bottom surface of the simulation reaction box, a downstream water collection and culture area above the soil body, a ground water flow system connected to the simulation reaction box, a pollutant injection system, a sampling system, an environment control system and a metering system;
the underground water flow system comprises an inlet water flow uniform net connected to one side face of the simulation reaction box, a submersible pump connected to the outer side of the simulation reaction box and connected with the inlet water flow uniform net, and a pipeline between the submersible pump and the inlet water flow uniform net;
the pollutant injection system comprises a pollutant injection port positioned at the top of the simulation reaction box, a pollutant injection pump connected to the outer side of the simulation reaction box, a pipeline extending into a soil layer in the simulation reaction box, and a sewage discharge port arranged at the end of the pipeline;
the sampling system comprises an underground water sampling port arranged at the top of the simulation reaction box, an underground water sampling box connected to the outer side of the simulation reaction box, a pipeline extending into a soil layer in the simulation reaction box and an underground water collecting funnel arranged at the end part of the pipeline; the device also comprises a gas sampling port arranged at the top of the simulation reaction box, a gas sampling detection box connected to the outer side of the simulation reaction box and a pipeline extending into the simulation reaction box through the gas sampling port; a pipeline port for gas sampling is arranged at the top inside the simulation reaction box;
the environment control system comprises a temperature sub-control system, a humidity sub-control system and a ventilation sub-control system, the temperature sub-control system is connected with the bottom temperature control layer of the simulation reaction box, and the ventilation sub-control system and the humidity sub-control system are connected to the tops of the two sides of the simulation reaction box.
Furthermore, the temperature sub-control system comprises a temperature controller arranged outside the simulation reaction box and a pipeline between the temperature controller and a temperature control layer at the bottom of the box.
Furthermore, the humidity sub-control system comprises a humidity control port arranged at the top of one side surface of the simulation reaction box, an atomizer arranged outside the simulation reaction box and a pipeline connected between the atomizer and the humidity control port.
Furthermore, the ventilation sub-control system comprises an air inlet arranged at the top of one side surface of the simulation reaction box, an air blower arranged outside the simulation reaction box and a pipeline connected between the air inlet and the air blower.
Further, still contain the measurement subsystem, the measurement subsystem contains the second liquid flowmeter who sets up on pipeline between immersible pump and the even net of inlet water rivers, pollutant injection pump and pollutant filling opening on pipeline, the gas flowmeter on air-blower and the air intake pipeline to and the hygrometer on atomizer and the humidity control mouth pipeline.
Further, the soil body is a multi-layer soil body, the multi-layer soil body corresponds to the soil layers of the design scene, and each layer is one type of soil; the water permeability of the soil body from top to bottom is gradually reduced; the soil body is arranged at the lower part of the simulation reaction box and is higher at one side and the other side of the simulation reaction box in the length direction; and a downstream water-collecting culture area is arranged at the lower end of the top of the soil body.
Furthermore, the water inflow uniform net is arranged at the middle upper part of the whole height of the soil body and is one end with a height towards one side, and the air inlet is arranged above the soil body at the same side of the water inflow uniform net; the water outlet is arranged at the bottom of the simulation reaction box and is positioned at one end of the soil body, which is lower in the length direction; the humidity control port is arranged at one lower end of the soil body in the length direction and is positioned at the top of one side surface of the simulation reaction box.
Furthermore, the downstream catchment culture area contains surface water and aquatic organisms, and an aeration device and a real-time water quality monitoring device are also arranged in the surface water.
Furthermore, the underground water sampling port is a movable sampling port, and the sampling port is correspondingly adjusted in position to adapt to the change of the pollutant transfer distance through the grating; the groundwater collection funnel below the groundwater sampling port is a filtering type water collector, and is suitable for filtering and blocking soil particles.
Furthermore, the drain comprises three types of discharge ports, namely a point type discharge port, a linear type discharge port and a surface type discharge port, the discharge ports are adaptive to simulation design and can be detachably connected, and the position and the depth of each drain port are adjustable through a pipeline.
The beneficial effects of the utility model are embodied in:
1) the utility model provides a foundation for simulating fields with different scenes by arranging the simulation reaction box, wherein the soil body inside the simulation reaction box corresponds to the distribution in the field soil layers in the different scenes; underground water and surface water can be simulated by arranging water on the surface of the soil body and in the soil body, so that the diversity and the accuracy of the simulation scene can be ensured;
2) the utility model is beneficial to controlling the water and soil environment inside the simulation reaction box, pollutant distribution, monitoring and detection and the like by setting the underground water flow system, the pollutant injection system, the sampling system, the environment control system and the metering system, and is further beneficial to controlling the situation conditions and acquiring and controlling the exposure process data;
3) the utility model can accurately regulate and control the environment in the simulation reaction box before and after the occurrence of pollutants through the arrangement of the temperature sub-control system, the humidity sub-control system and the ventilation sub-control system, and can also carry out the real-time control of the migration and the conversion and the exposure of the pollutants according to different environmental conditions;
in addition, the accuracy and the similarity of detection and simulation are improved through the detachable and diversified design of a gas sampling port, a groundwater sampling port, a pollutant injection port and the like; the utility model discloses a method of indoor simulation, the means through many condition control has the important realistic meaning to the pollutant exposure parameter's under the different scenes definite. Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention; the primary objects and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Reference numerals: 1-simulation reaction box, 2-submersible pump, 3-first liquid flowmeter, 4-influent water flow uniform net, 5-box bottom temperature control layer, 6-temperature controller, 7-water outlet, 8-air inlet, 9-pollutant injection port, 10-underground water sampling port, 11-gas sampling port, 12-humidity control port, 13-pollutant injection pump, 14-second liquid flowmeter, 15-sewage outlet, 16-underground water sampling box, 17-underground water collecting funnel, 18-gas sampling detection box, 19-blower, 20-gas flowmeter, 21-atomizer, 22-hygrometer and 23-downstream water collecting culture area.
Detailed Description
Taking soil body containing a groundwater layer as an example, simulation experiments are carried out on the migration of specific pollutants in water and soil and the exposure situation in air, as shown in fig. 1, the simulation device is a simulation device for analyzing the exposure situation of the pollutants in a groundwater field, and comprises a simulation reaction box 1, soil body arranged in the simulation reaction box 1, a box bottom temperature control layer 5 connected between the soil body and the bottom surface of the simulation reaction box 1, a downstream water collection culture area 23 above the soil body, and a groundwater flow system, a pollutant injection system, a sampling system, an environment control system and a metering system connected to the simulation reaction box 1.
In the embodiment, the simulation reaction box 1 is made of transparent glass, the simulation reaction box 1 is a cuboid, and holes arranged on the simulation reaction box are integrally made during manufacturing; the simulation reaction box 1 does not react with specific pollutants to be injected and water and soil in the simulation reaction box 1; during the experiment, the simulation reaction box 1 is placed indoors; all connected gaps are adhered by adopting waterproof sealant.
In the embodiment, the soil body is a multi-layer soil body, the multi-layer soil body corresponds to the soil layers of the design scene, and each layer is of one type of soil; the water permeability of the soil body from top to bottom is gradually reduced; the soil body is arranged at the middle lower part of the simulation reaction box 1 and is higher at one side and the other side of the soil body in the length direction; and a downstream water-collecting culture area 23 is arranged at the lower end of the top of the soil body. The downstream water-collecting culture area 23 contains surface water and organisms in water, and an aeration device and a real-time water quality monitoring device are also arranged in the surface water. The organisms include plants, animals, microorganisms, fungi, and the like.
In this embodiment, groundwater rivers system contains connects in the even net of inflow 4 of 1 side of simulation reaction box, connects in the simulation reaction box 1 outside and with the even net of inflow 4 connected immersible pump 2 to and immersible pump 2 and the even pipe-line between the 4 nets of inflow.
In the embodiment, the inlet water flow uniform net 4 is detachably fixed on one side of the simulation reaction box 1; the water inflow uniform net 4 is horizontally arranged in the simulation reaction box 1 in the same length or at intervals on the water inflow uniform net 4; the inlet water flow uniform net 4 is made of steel or plastic components, is provided with gridding interfaces and is in a closed state when being communicated with a pipeline of the submersible pump 2; the inlet water flow uniform net 4 is connected with the pipeline of the submersible pump 2 at a single point or multiple points to form different water flow forms. The water inflow uniform net 4 is arranged at the middle upper part of the whole height of the soil body and is one end with one side higher than the long side, and the air inlet 8 is arranged above the soil body at the same side of the water inflow uniform net 4; the water outlet 7 is arranged at the bottom of the simulation reaction box 1 and is positioned at one end of the lower side of the soil body in the length direction; the humidity control port 12 is arranged at one lower end of the soil body in the length direction and is positioned at the top of one side surface of the simulation reaction box 1.
In this embodiment, the pollutant injection system includes the pollutant injection port 9 that is located simulation reaction box 1 top, connects in the pollutant injection pump 13 of simulation reaction box 1 outside and stretches into pipeline and the drain 15 of pipeline tip setting in the inside soil layer of simulation reaction box 1.
In this embodiment, the drain outlet 15 is made of steel or plastic; contain punctiform, linear and three kinds of types of discharge ports of surface form, and adapt to the simulation design and can dismantle the connection, the position and the degree of depth of drain 15 all pass through pipeline adjustable setting.
In the embodiment, the sampling system comprises an underground water sampling port 10 arranged at the top of the simulation reaction box 1, an underground water sampling box 16 connected to the outer side of the simulation reaction box 1, a pipeline extending into a soil layer in the simulation reaction box 1 and an underground water collecting funnel 17 arranged at the end part of the pipeline; the device also comprises a gas sampling port 11 arranged at the top of the simulation reaction box 1, a gas sampling detection box 18 connected to the outer side of the simulation reaction box 1 and a pipeline extending into the simulation reaction box 1 through the gas sampling port 11; the pipeline port of gas sampling is arranged at the top inside the simulation reaction box 1.
In the embodiment, the underground water sampling port 10 is a movable sampling port, and the sampling port is correspondingly adjusted in position according to the change of the pollutant transfer distance through the arrangement of a grating; the groundwater collection funnel 17 below the groundwater sampling port 10 is a filter type water collector, which is adapted to filter and block soil particles.
In this embodiment, the environmental control system includes a temperature sub-control system, a humidity sub-control system and a ventilation sub-control system, the temperature sub-control system is connected with the bottom temperature control layer 5, and the ventilation sub-control system and the humidity sub-control system are connected to the tops of the two sides of the simulation reaction box 1.
Wherein, the temperature sub-control system comprises a temperature controller 6 arranged at the outer side of the simulation reaction box 1 and a pipeline between the temperature controller 6 and the box bottom temperature control layer 5. The humidity sub-control system comprises a humidity control port 12 arranged at the top of one side surface of the simulation reaction box 1, an atomizer 21 arranged at the outer side of the simulation reaction box 1 and a pipeline connected between the atomizer 21 and the humidity control port 12. The ventilation sub-control system comprises an air inlet 8 arranged at the top of one side surface of the simulation reaction box 1, an air blower 19 arranged at the outer side of the simulation reaction box 1 and a pipeline connected between the air inlet 8 and the air blower 19.
The system also comprises a metering subsystem, wherein the metering subsystem comprises a first liquid flow meter 3 arranged on a pipeline between the submersible pump 2 and the inlet water flow uniform net 4, a second liquid flow meter 14 arranged on a pipeline between the pollutant injection pump 13 and the pollutant injection port 9, a gas flow meter 20 arranged on pipelines of the blower 19 and the air inlet 8, and a hygrometer 22 arranged on pipelines of the atomizer 21 and the humidity control port 12. And respectively controlling the condition parameters such as groundwater flow speed, pollutant injection speed, wind speed, humidity and the like according to the data measured on site, and controlling the simulation scene.
In addition, experimental wastewater and polluted soil discharged from the downstream catchment culture area 23 and the water outlet can be simply pretreated on site or deeply treated in a small amount, and if the collected water and earth volume for the polluted experiment are large, off-site centralized treatment is needed.
The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be considered by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention.
Claims (10)
1. The device for analyzing and simulating the exposure scene of pollutants in the underground water-containing field is characterized by comprising a simulation reaction box (1), a soil body arranged in the simulation reaction box (1), a box bottom temperature control layer (5) connected between the soil body and the bottom surface of the simulation reaction box (1), a downstream water-collecting culture area (23) above the soil body, an underground water flow system connected to the simulation reaction box (1), a pollutant injection system, a sampling system, an environment control system and a metering system;
the underground water flow system comprises a water inlet flow uniform net (4) connected to one side face of the simulation reaction box (1), a submersible pump (2) connected to the outer side of the simulation reaction box (1) and connected with the water inlet flow uniform net (4), and a pipeline between the submersible pump (2) and the water inlet flow uniform net (4);
the pollutant injection system comprises a pollutant injection port (9) positioned at the top of the simulation reaction box (1), a pollutant injection pump (13) connected to the outer side of the simulation reaction box (1), a pipeline extending into a soil layer in the simulation reaction box (1) and a sewage discharge port (15) arranged at the end part of the pipeline;
the sampling system comprises an underground water sampling port (10) arranged at the top of the simulation reaction box (1), an underground water sampling box (16) connected to the outer side of the simulation reaction box (1), a pipeline extending into a soil layer in the simulation reaction box (1) and an underground water collecting funnel (17) arranged at the end part of the pipeline; the device also comprises a gas sampling port (11) arranged at the top of the simulation reaction box (1), a gas sampling detection box (18) connected to the outer side of the simulation reaction box (1) and a pipeline extending into the simulation reaction box (1) through the gas sampling port (11); a pipeline port for gas sampling is arranged at the top inside the simulation reaction box (1);
the environment control system comprises a temperature sub-control system, a humidity sub-control system and a ventilation sub-control system, the temperature sub-control system is connected with a box bottom temperature control layer (5), and the ventilation sub-control system and the humidity sub-control system are connected to the tops of two sides of the simulation reaction box (1).
2. The groundwater field pollutant exposure scenario analysis simulation device of claim 1, wherein the temperature sub control system comprises a temperature controller (6) disposed outside the simulation reaction box (1) and a pipeline between the temperature controller (6) and a box bottom temperature control layer (5).
3. The groundwater field pollutant exposure scenario analysis simulation device of claim 2, wherein the humidity sub-control system comprises a humidity control port (12) disposed at a top of one side of the simulation reaction box (1), an atomizer (21) disposed outside the simulation reaction box (1), and a pipeline connected between the atomizer (21) and the humidity control port (12).
4. The groundwater field pollutant exposure scenario analysis simulation apparatus of claim 3, wherein the ventilation sub-control system comprises an air inlet (8) disposed at a top of one side of the simulation reaction box (1), a blower (19) disposed outside the simulation reaction box (1), and a pipe connected between the air inlet (8) and the blower (19).
5. The groundwater field pollutant exposure scenario analysis simulation device of claim 4, further comprising a metering subsystem, wherein the metering subsystem comprises a first liquid flow meter (3) arranged on a pipeline between the submersible pump (2) and the influent water flow homogenizing net (4), a second liquid flow meter (14) arranged on a pipeline between the pollutant injection pump (13) and the pollutant injection port (9), a gas flow meter (20) arranged on a pipeline between the blower (19) and the air inlet (8), and a hygrometer (22) arranged on a pipeline between the atomizer (21) and the humidity control port (12).
6. The device for analyzing and simulating the exposure scene of pollutants in a ground water field according to claim 5, wherein the soil body is a multi-layer soil body, the multi-layer soil body corresponds to the soil layers of the design scene, and each layer is one type of soil; the water permeability of the soil body from top to bottom is gradually reduced; the soil body is arranged at the middle lower part of the simulation reaction box (1) and is higher at one side and the other side in the length direction; one end of the soil body with the lower top is provided with a downstream water-collecting culture area (23).
7. The device for analyzing and simulating the exposure situation of pollutants in the ground water-containing field according to claim 6, wherein the inflow water uniform net (4) is arranged at the middle upper part of the whole height of the soil body and is one end with the length direction higher than one side, and the air inlet (8) is arranged above the soil body at the same side of the inflow water uniform net (4); the device also comprises a water outlet (7) which is arranged at the bottom of the simulation reaction box (1) and is positioned at one lower end of the soil body in the length direction; the humidity control port (12) is arranged at one lower end of the soil body in the length direction and is positioned at the top of one side face of the simulation reaction box (1).
8. The groundwater field pollutant exposure scenario analysis simulation device of claim 6, wherein the downstream catchment culture area (23) contains surface water and aquatic organisms, and an aeration device and a real-time water quality monitoring device are further disposed in the surface water.
9. The pollutant exposure scene analysis simulation device of the underground water-containing field according to the claim 1, characterized in that the underground water sampling port (10) is a movable sampling port, and the sampling port is arranged through a grating to adapt to the change of pollutant transfer distance and correspondingly adjust the position of the sampling port; the underground water collecting funnel (17) below the underground water sampling port (10) is a filtering type water collector, and is suitable for filtering and blocking soil particles.
10. The groundwater field pollutant exposure scenario analysis simulation device of claim 1, wherein the drain outlet (15) comprises three types of drain outlets, namely a point type drain outlet, a linear type drain outlet and a surface type drain outlet, the drain outlet is detachably connected with the simulation design, and the position and the depth of the drain outlet (15) are adjustable through a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021548933.1U CN212320788U (en) | 2020-07-30 | 2020-07-30 | Underground water-containing site pollutant exposure scene analysis simulation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021548933.1U CN212320788U (en) | 2020-07-30 | 2020-07-30 | Underground water-containing site pollutant exposure scene analysis simulation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212320788U true CN212320788U (en) | 2021-01-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021548933.1U Expired - Fee Related CN212320788U (en) | 2020-07-30 | 2020-07-30 | Underground water-containing site pollutant exposure scene analysis simulation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212320788U (en) |
-
2020
- 2020-07-30 CN CN202021548933.1U patent/CN212320788U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |