CN217425400U - Pollute plot and synthesize biological toxicity testing arrangement - Google Patents
Pollute plot and synthesize biological toxicity testing arrangement Download PDFInfo
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- CN217425400U CN217425400U CN202221230912.4U CN202221230912U CN217425400U CN 217425400 U CN217425400 U CN 217425400U CN 202221230912 U CN202221230912 U CN 202221230912U CN 217425400 U CN217425400 U CN 217425400U
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Abstract
The application relates to the technical field of environmental investigation of polluted plots, in particular to a comprehensive biological toxicity testing device for the polluted plots, which comprises a box body, a soil testing component, a spraying component and an illumination component, wherein the soil testing component, the spraying component and the illumination component are arranged in the box body; the soil testing assembly comprises a soil barrel, a connecting pipe and a leaching solution barrel, wherein the soil barrel and the connecting pipe are sequentially connected from top to bottom; a filter screen is arranged between the soil cylinder and the connecting pipe; the spraying assembly comprises a spraying water inlet, a spraying pipe and a nozzle which is communicated with the tail end of the spraying pipe and is positioned above the soil barrel, and the direction of the nozzle is aligned with the soil barrel; the illumination assembly is arranged on the top surface of the box body. The device integrates the components for testing the biotoxicity of various environmental media in the polluted land, and can meet the requirements of biotoxicity tests of different environmental media such as soil, soil leachate or surface water, underground water and the like.
Description
Technical Field
The application relates to the technical field of polluted plot environment investigation, in particular to a comprehensive biological toxicity testing device for a polluted plot.
Background
The identification and evaluation of the pollution of soil and underground water are important basis and guidance for developing the management and control work of the polluted land. The detection and analysis of soil and underground water pollutants usually adopts a chemical analysis method to determine the content of toxic and harmful substances in a polluted plot sample; for the biological toxicity test, the standard test methods are mainly referred to, such as GBT21809-2008 chemical earthworm acute toxicity test, GBT15441-1995 method for determining luminous bacteria for water acute toxicity, OECD No.207Earth theory sites toxin sites, adopted 4April 1984, and the like. At present, the biotoxicity test experiments are mostly operated in a laboratory according to the method in the standard guidelines. The biotoxicity of the polluted site is reflected by setting a living environment and testing the survival and growth conditions of the polluted site by using sensitive organisms under the set living conditions.
Most of the existing testing devices carry out single test on soil or underground water. For example, the patent application with the application number of 202111456196.1 discloses a toxicity testing device for volatile organic contaminated soil organisms and a using method thereof, the technical scheme mainly aims at the growth habit of the sensitive organisms such as white-fleshed flea and designs a specific testing device, the universality is lacked, and the device cannot be applied to other types of tested organisms; the patent of application No. 202010332532.0 discloses a device for evaluating the toxic effect of pollutants on soil organisms, the technical method mainly aims at the soil organisms and the device is complex to operate; the patent application No. 202110245484.6 discloses an aquatic organism toxicity test device for organic pollutants in shallow groundwater, and the technical scheme is only applicable to liquid environmental medium samples such as groundwater.
It can be seen that in the related art, when the biotoxicity test analysis is carried out on the soil, the soil leaching solution, the surface water, the underground water and other environment media of the polluted land, a special experimental testing device with strong universality and high integration level is lacked. When the investigation analysis and the ecological hazard identification are carried out on a specific polluted land, the analysis and the detection can be carried out only by separately utilizing basic device instruments of a laboratory on samples of different media. And under the big condition of sample size, these laboratory glassware quantity is limited, and detection speed is slow, perhaps uses in a mixture easily, not only influences the accuracy of testing result, does not also do benefit to the high-efficient convenient of experiment operation, and scattered laboratory glassware also easily causes the confusion of laboratory order, influences laboratory operating efficiency.
SUMMERY OF THE UTILITY MODEL
The application provides a comprehensive biotoxicity testing device for a polluted plot, which aims to solve the problems that the biotoxicity testing device in the prior art is narrow in application range, low in integration level and difficult to perform biotoxicity testing on various environment media during investigation and evaluation of the polluted plot.
The comprehensive biological toxicity testing device for the polluted land comprises a box body, a soil testing component, a spraying component and an illumination component, wherein the soil testing component, the spraying component and the illumination component are arranged in the box body;
the soil testing assembly comprises a soil barrel, a connecting pipe and a leaching solution barrel, wherein the soil barrel and the connecting pipe are sequentially connected from top to bottom; a filter screen is arranged between the soil cylinder and the connecting pipe;
the spraying assembly comprises a spraying water inlet, a spraying pipe and a nozzle which is communicated with the tail end of the spraying pipe and is positioned above the soil barrel, and the direction of the nozzle is aligned with the soil barrel;
the illumination assembly is arranged on the top surface of the box body.
Optionally, the water body testing device further comprises a water body testing assembly; the water body testing assembly comprises an underground water cylinder and a water inlet pipe, one end of the water inlet pipe is communicated with the underground water cylinder, and the other end of the water inlet pipe is communicated with the outside of the box body.
Optionally, a plurality of groups of soil testing assemblies which have the same structure and are arranged in parallel are arranged in the box body, and one corresponding spray nozzle is arranged above each group of soil testing assemblies.
Optionally, the soil testing assembly further comprises a conical expanding ring connected to the upper end of the soil cylinder, and a separation net arranged between the soil cylinder and the conical expanding ring.
Optionally, the leachate cylinder is detachably connected with the connecting pipe.
Optionally, the connecting pipe is of a funnel-shaped structure, an extension pipe is arranged below the connecting pipe, and a hole matched with the outer diameter of the extension pipe of the funnel is formed in the top surface of the leaching solution barrel.
Optionally, the connecting pipe is of a funnel-shaped integrated structure, the upper part of the connecting pipe is a circular truncated cone, and the lower part of the connecting pipe is an extension pipe with the same diameter as the bottom surface of the circular truncated cone; the leaching solution barrel is cylindrical, a circular hole is formed in the cylindrical top surface, the diameter of the circular hole is larger than that of the extension pipe, and the tail end of the extension pipe extends into the circular hole.
Optionally, a support plate is further arranged in the box body, and the connecting pipe and the water inlet pipe are respectively fixed on the support plate.
Optionally, the box is the cuboid, is provided with the chamber door of switch in the front of box towards experimental operator, and remaining five are seal structure.
Optionally, the spraying water inlet is communicated with the outside of the box body.
According to the comprehensive biological toxicity testing device for the polluted plots, the setting of the growth environment conditions of the tested organisms during biological toxicity testing can be met through the arrangement of the spraying and illuminating component; the soil barrel and the leachate barrel are arranged, so that the survival test of organisms such as earthworms in soil species can be met, and the soil leachate can be obtained through the device and used for further biotoxicity test. In addition, the testing device is also provided with a groundwater component, so that the toxicity test on the groundwater in the polluted land can be met. Through the box setting, integrated all kinds of subassemblies satisfy the biotoxicity test's of all kinds of environment media such as soil, soil leaching solution or surface water, groundwater demand, five sealed and the chamber door setting of casing, both ensured the control of environmental factor such as humidity, illumination of test environment, can make things convenient for the experimenter to carry out experimental operation through the switch door again. The testing device has the advantages of high integral structure integration level, reasonable structural design, convenience in operation, strong reliability and strong practical value.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
The drawings are not intended to be drawn to scale. In the drawings, each identical or nearly identical component that is illustrated in various figures may be represented by a like numeral. For purposes of clarity, not every component may be labeled in every drawing. Embodiments of various aspects of the present invention will now be described, by way of example, with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural diagram of an embodiment of the present application.
In the figure, 1-a box body, 11-a supporting plate, 2-a soil testing component, 21-a leaching solution cylinder, 22-a soil cylinder, 23-a filter screen, 24-a conical expanding ring, 25-a separation net, 26-a connecting pipe, 3-a water body testing component, 31-an underground water cylinder, 32-a water inlet pipe, 33-a conical opening, 4-a spraying component, 41-a spraying water inlet, 42-a spray head, 43-a spray pipe and 5-a lighting component.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The embodiment of the application provides a biological toxicity testing arrangement is synthesized in contaminated land, as shown in fig. 1, including box 1, the soil test component 2, the water test component 3, spray set 4 and the illumination subassembly 5 of setting in the box.
The soil testing assembly 2 comprises a soil barrel 22, a connecting pipe 26 and a leaching solution barrel 21 which are sequentially connected from top to bottom; a filter screen 23 is arranged between the soil cylinder 22 and the connecting pipe 26; the soil testing assembly 2 further comprises a conical expanding ring 24 connected to the upper end of the soil cylinder 22, and a spacer net 25 arranged between the soil cylinder 22 and the conical expanding ring 24.
The connection mode between the leaching solution cylinder 21 and the connection pipe 26 can be detachable connection such as pipeline threaded connection, pipeline insertion connection and the like. In this embodiment, connecting pipe 26 is the infundibulate structure, sets up the extension pipe down the top surface of a leaching solution section of thick bamboo 21 be equipped with funnel extension pipe external diameter matched with hole to make the connecting pipe 26 joint stretch into a leaching solution section of thick bamboo 21, realize that connecting pipe 26 and the pipeline of a leaching solution section of thick bamboo 21 are pegged graft. Optionally, in another mode, the connecting pipe 26 is a funnel-shaped integrated structure, the upper part is a circular truncated cone, and the lower part is an elongated pipe with the same diameter as the bottom surface of the circular truncated cone; the leachate cylinder 21 is cylindrical, a circular hole is formed in the top surface of the cylinder, the diameter of the circular hole is larger than that of the extension pipe, the tail end of the extension pipe extends into the circular hole, and a soil sample flows into the leachate cylinder 21 from the soil cylinder 22 through the connecting pipe 26.
In addition, the testing arrangement of this application can set up multiunit soil subassembly 2 in box 1 according to actual need, and the multiunit is that the group number is greater than 1 promptly, and concrete group number can be according to actual demands such as the shared space size of device, the sample quantity that awaits measuring and set up. Each group of components are arranged in parallel in the box body and used for simultaneously testing the biological toxicity of different soil samples. In this embodiment, 5 groups of soil testing assemblies with the same structure and arranged in parallel are arranged in the box body 1, and one spray head 42 is arranged above each group of soil testing assemblies.
The water body testing component 3 comprises an underground water cylinder 31 and a water inlet pipe 32, one end of the water inlet pipe 32 is communicated with the underground water cylinder 31, the other end of the water inlet pipe is communicated with the outside of the box body 1, the outside water inlet end of the water inlet pipe 32 is arranged to be of a conical expanding structure in the embodiment and is a conical opening 33, the water inlet pipe 32 and the underground water cylinder 31 are in threaded connection through a pipeline, and the underground water cylinder 31 can be detached and taken out independently as required. When the groundwater sample is tested, a sample solution can be added from the conical opening 33, injected into the groundwater cylinder 31 through the water inlet pipe 32, and a toxicity test experiment with organisms such as luminous bacteria as test objects is performed in the groundwater cylinder 31.
The spraying assembly 4 comprises a spraying water inlet 41, a spraying pipe 43 and a spray head 42 which is communicated with the tail end of the spraying pipe 43 and is positioned above the soil barrel 22, and the direction of the spray head is aligned with the soil barrel 22; the spray inlet 41 may be connected to a tank or the like for holding a container for storing liquid for spraying water. Optionally, the container can be placed inside the box body, the spraying water inlet can also be communicated with the outside of the box body, and the container is placed outside the box body. In this embodiment, the spray inlet 41 is disposed on the top surface of the tank body 1, and the water tank is disposed outside the tank body 1. According to different test requirements, the liquid stored in the water tank can be pure water, leaching reagent and the like. When the spraying water inlet 41 is connected with containers such as an external water tank and the like, the spraying water inlet can be also connected with devices such as a peristaltic pump and the like capable of adjusting liquid inlet parameters, and the devices are used for controlling the water inflow, the spraying flow speed or the spraying time and the like of spraying.
The illumination assembly 5 is arranged on the top surface of the box body 1 and is externally connected with a power supply. The illumination assembly 5 can be used for providing illumination for the testing device and can also meet the requirement of providing illumination for the tested organism during the biotoxicity test. The illumination assembly can adjust parameters such as illumination intensity and time so as to meet the test requirement of setting the growth and survival conditions of the tested organisms.
In actual use, a tested soil sample is placed in the soil cylinder 22, the humidity of the soil is set through the spraying assembly 4, the illumination condition of the soil is set through the illumination assembly 5, and tested organisms such as earthworms are placed in the soil sample for survival experiments. Meanwhile, the leaching solution cylinder 21 can receive soil leaching solution leached from the upper part, and can be used for further testing of the leaching solution. The leaching solution cylinder 21 is connected with the connecting pipe 26 in a plugging mode, and after the leaching solution is obtained, the leaching solution cylinder 21 can be separated from the assembly for the convenience of subsequent operation. When the testing device is used practically, the tested soil sample can be directly sprayed to obtain the leaching solution, and then the leaching solution is further detected.
In the embodiment of the present application, a supporting plate 11 is further disposed in the box, and the connecting pipe 26 and the water inlet pipe 32 are respectively fixed on the supporting plate 11, so as to stabilize the overall structure of the testing apparatus of the present application. Holistic box is the cuboid structure, is provided with the chamber door of switch towards experimental operator's front at the box, and all the other five faces are seal structure, and such box structure builds out relative inclosed environment, can ensure the control of environmental factor such as humidity, illumination of testing arrangement internal environment, can make things convenient for the experimenter to carry out experimental operation through the switch door again, and simultaneously, the overall structure of box has strengthened this testing arrangement's integrated level.
When in actual use, the comprehensive biotoxicity testing device that this application embodiment provided is convenient for detect the parallel of multiple type of environment medium when polluting the land piece investigation analysis, all realizes diagnostic analysis to the water-soluble toxic substance in soil, the extraction soil sample and the multiple environment medium of groundwater, satisfies the biotoxicity test demand of polluting land piece soil and groundwater.
The present application has been described in detail with reference to specific embodiments and illustrative examples, but the description is not intended to limit the application. Those skilled in the art will appreciate that various equivalent substitutions, modifications or improvements may be made to the presently disclosed embodiments and implementations thereof without departing from the spirit and scope of the present disclosure, and these fall within the scope of the present disclosure. The protection scope of this application is subject to the appended claims.
Claims (10)
1. A comprehensive biological toxicity testing device for a polluted land is characterized by comprising a box body, a soil testing component, a spraying component and an illumination component, wherein the soil testing component, the spraying component and the illumination component are arranged in the box body;
the soil testing assembly comprises a soil barrel, a connecting pipe and a leaching solution barrel, wherein the soil barrel and the connecting pipe are sequentially connected from top to bottom; a filter screen is arranged between the soil cylinder and the connecting pipe;
the spraying assembly comprises a spraying water inlet, a spraying pipe and a spray head which is communicated with the tail end of the spraying pipe and is positioned above the soil cylinder, and the direction of the spray head is aligned to the soil cylinder;
the illumination assembly is arranged on the top surface of the box body.
2. The integrated biological toxicity testing apparatus for contaminated land according to claim 1, further comprising a water body testing component; the water body testing assembly comprises an underground water cylinder and a water inlet pipe, one end of the water inlet pipe is communicated with the underground water cylinder, and the other end of the water inlet pipe is communicated with the outside of the box body.
3. The comprehensive biotoxicity testing device for the polluted land as claimed in claim 1, wherein a plurality of groups of soil testing components which are identical in structure and arranged in parallel are arranged in the box body, and one corresponding spray head is arranged above each group of soil testing components.
4. The integrated biotoxicity testing device for the contaminated land, according to claim 1, wherein the soil testing assembly further comprises a conical expanding ring connected to the upper end of the soil barrel, and a spacer net arranged between the soil barrel and the conical expanding ring.
5. The integrated biotoxicity testing device for contaminated land blocks as claimed in claim 1, wherein the leachate barrel is detachably connected to the connecting pipe.
6. The integrated biotoxicity testing device for the polluted land as claimed in claim 1, wherein the connecting pipe is in a funnel-shaped structure, an extension pipe is arranged below the connecting pipe, and a hole matched with the outer diameter of the extension pipe of the funnel is formed in the top surface of the leaching solution barrel.
7. The comprehensive biotoxicity testing device for the polluted land as claimed in claim 1, wherein the connecting pipe is of a funnel-shaped integrated structure, the upper part of the connecting pipe is a circular truncated cone, and the lower part of the connecting pipe is an extension pipe with the same diameter as the bottom surface of the circular truncated cone; the leaching solution barrel is cylindrical, a circular hole is formed in the cylindrical top surface, the diameter of the circular hole is larger than that of the extension pipe, and the tail end of the extension pipe extends into the circular hole.
8. The comprehensive biotoxicity testing device for the polluted land as claimed in claim 2, wherein a supporting plate is further arranged in the box body, and the connecting pipe and the water inlet pipe are respectively fixed on the supporting plate.
9. The comprehensive biotoxicity testing device for the polluted land as claimed in claim 1, wherein the box body is a cuboid, a box door capable of being opened and closed is arranged on the front face of the box body facing an experiment operator, and the rest five faces are sealing structures.
10. The integrated biotoxicity testing device for the polluted land as claimed in claim 1, wherein the spraying water inlet is communicated with the outside of the box body.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221230912.4U CN217425400U (en) | 2022-05-20 | 2022-05-20 | Pollute plot and synthesize biological toxicity testing arrangement |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221230912.4U CN217425400U (en) | 2022-05-20 | 2022-05-20 | Pollute plot and synthesize biological toxicity testing arrangement |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115684544A (en) * | 2022-10-25 | 2023-02-03 | 生态环境部南京环境科学研究所 | Integrated experimental device for various analysis of modified nano zero-valent iron |
| CN115901413A (en) * | 2022-12-23 | 2023-04-04 | 吉林省农业科学院 | Soil particle organic carbon test pretreatment device |
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2022
- 2022-05-20 CN CN202221230912.4U patent/CN217425400U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115684544A (en) * | 2022-10-25 | 2023-02-03 | 生态环境部南京环境科学研究所 | Integrated experimental device for various analysis of modified nano zero-valent iron |
| CN115901413A (en) * | 2022-12-23 | 2023-04-04 | 吉林省农业科学院 | Soil particle organic carbon test pretreatment device |
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