CN112697662A - Water body enriched pollutant concentration detection equipment and use method thereof - Google Patents
Water body enriched pollutant concentration detection equipment and use method thereof Download PDFInfo
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- CN112697662A CN112697662A CN202011562458.8A CN202011562458A CN112697662A CN 112697662 A CN112697662 A CN 112697662A CN 202011562458 A CN202011562458 A CN 202011562458A CN 112697662 A CN112697662 A CN 112697662A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/02—Investigating particle size or size distribution
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/34—Purifying; Cleaning
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/40—Concentrating samples
- G01N1/405—Concentrating samples by adsorption or absorption
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
- G01N15/0606—Investigating concentration of particle suspensions by collecting particles on a support
- G01N15/0637—Moving support
Abstract
The invention discloses a device for detecting the concentration of water body enriched pollutants, which comprises a floating body, a current stabilizer, a guide rail and a detection piece, wherein the floating body is arranged on the water body; the floating body is of a hollow cylindrical structure, and the detection piece is a square filter screen; the surface of the floating body is connected through a triangular bracket so as to be convenient for placing and lifting the floating body; the inner cavity of the floating body is connected with a plurality of symmetrical guide rails which are vertically arranged; each guide rail is provided with a sliding block, and the sliding block and the clamp are connected through a telescopic device; the slide block drives the detection piece to move along the vertical direction; the top layer of the detection piece is a circular groove, a plurality of chromatographic grooves are distributed on each layer of the detection piece except the top layer at equal angles, the chromatographic grooves are sequentially enlarged from top to bottom, each layer of the grooves of the detection piece are communicated, and a plurality of trapezoidal structures which spread from the center to the periphery are formed; and detection test paper with the matched size is stuck in each layer of groove of the detection piece. This check out test set passes through the current regulator and makes the water layer relatively steady for the body is inside, and test paper forms the absorption of gradient, and the testing result is more accurate.
Description
Technical Field
The invention relates to the technical field of environmental monitoring or concentration detection, in particular to a device for detecting the concentration of water body enriched pollutants.
Background
Organic pollutants, especially persistent organic matters, which exist in water bodies and are enriched in the water bodies exist in toxic action on organisms in the environment for a long time, and the toxic action can be amplified through a food chain, so that the content of the organic pollutants in the water bodies needs to be detected at any time.
The existing water body pollutant detection has the disadvantages of large detection amount and wide detection range, so that the requirements on detection conditions are not strict, and the detection can be directly performed by sampling at any time. However, the water body has waves for a long time, and wave crest and wave trough sections are formed along with the water body fluctuation, so that the detection of the depth range of the detection device is influenced, and gradient adsorption and detection cannot be realized.
Therefore, it is necessary to provide a further solution to the above problems.
Disclosure of Invention
The invention overcomes the defects of the prior art and provides the water body enriched pollutant concentration detection equipment.
In order to achieve the purpose, the invention adopts the technical scheme that: a water body enrichment pollutant concentration detection device is characterized by comprising a floating body, a current stabilizer, a guide rail and a detection piece; the floating body is of a hollow cylindrical structure, and the detection piece is a square filter screen; the surface of the floating body is connected through a triangular bracket so as to be convenient for placing and lifting the floating body; one side of the current stabilizer is connected with the floating body;
the inner cavity of the floating body is connected with a plurality of symmetrical guide rails which are vertically arranged; each guide rail is provided with a sliding block, and the sliding block and the clamp are connected through a telescopic device; each clamp clamps one corner of the detection piece; the slide block drives the detection piece to move along the vertical direction of the guide rail;
the detection part is divided into a plurality of layers, the top layer of the detection part is a circular groove, a plurality of chromatographic grooves are distributed on each layer of the detection part except the top layer at equal angles, the chromatographic grooves are sequentially enlarged from top to bottom, and each layer of the groove of the detection part is communicated and arranged to form a plurality of trapezoidal structures which are diffused from the center to the periphery; and detection test paper with the matched size is stuck in each layer of groove of the detection piece.
In a preferred embodiment of the invention, the adjacent clamps are connected through connecting rods in sequence so as to ensure that all the sliding blocks move simultaneously.
In a preferred embodiment of the invention, the current stabilizer is formed by connecting an arc-shaped plate and guide plates with symmetrical two sides, and one side of the arc-shaped top of the current stabilizer is connected with the floating body.
In a preferred embodiment of the invention, the floating body floats on the surface layer of the water body, and the height difference between the sinking height of the floating body and the horizontal plane is-35 cm to-20 cm.
In a preferred embodiment of the invention, the height difference between the sinking height of the detection piece and the horizontal plane is controlled to be-32 cm-5 cm by adjusting the vertical distance of the sliding block moving on the guide rail.
In a preferred embodiment of the invention, different tightening forces on the detection piece are realized by adjusting the contraction length of the telescopic device.
In a preferred embodiment of the present invention, a water depth probe is further disposed on an inner wall of the floating body, and a water depth sensor is mounted on the water depth probe for detecting a height difference between a sinking height of the floating body and the detecting member and a horizontal plane.
In a preferred embodiment of the present invention, the diameter of the particles of the test paper in each layer of the groove of the detection member, which adsorb contaminants sequentially from top to bottom, is reduced sequentially, and the diameter of the particles of the test paper in the same layer of the chromatography groove is the same.
The invention also provides a use method of the water body enrichment pollutant concentration detection equipment, which comprises the following steps:
s1, clamping four corners of the detection piece with a clamp respectively, tightening the detection piece by adjusting the contraction length of the expansion piece, and placing the detection piece at the bottommost end of the guide rail;
s2, manually holding the triangular support and slowly placing the detection equipment in a water body, enabling the whole detection equipment to float in the water body through the floating body, enabling the sinking height of the floating body to be 20-35 cm relative to the horizontal plane, and meanwhile stabilizing the fluctuation of water flow through the flow stabilizer;
s3, when the water body is basically stable, the slide block drives the detection piece to vertically move upwards along the guide rail, so that the detection piece is 2-5 cm above the horizontal plane from the bottommost end of the guide rail;
s4, manually holding the triangular support to lift the detection equipment to be separated from the water surface, sequentially taking the detection test paper from the groove of the detection piece, and detecting the particle size and concentration of pollutants adsorbed by each detection test paper;
and S5, repeating the sampling and detection steps of S1-S5, detecting the concentration of the enriched pollutants in different areas of the same water body, and performing big data analysis on the pollutants in the areas by using a sample estimation algorithm according to different groups of detection results to obtain the concentration of the enriched pollutants in the whole water body.
In a preferred embodiment of the present invention, in S2, during the vertical upward movement of the detecting member, the pollutants in the water continuously enter the surface of the detecting member and each layer of grooves through the pores of the detecting member, the detecting member moves upward, the detection test paper in the circular groove at the top of the detecting member is enriched with more pollutant particles, and after moving to above the horizontal plane and standing for a period of time, different particles are gradually adsorbed downward due to the chromatography.
In a preferred embodiment of the invention, the slide block is driven by a built-in micro motor, and the micro motor is also connected with a micro shock absorber.
The invention solves the defects in the background technology, and has the following beneficial effects:
(1) the invention provides a portable pollutant concentration detection device with a triangular bracket, which is characterized in that a current stabilizer is additionally arranged at the front end of a floating body, a relatively stable detection water layer is manufactured for the interior of a rear floating body, sampling and detection are carried out within the depth range of the water layer, the influence of wave crests and wave troughs caused by the flow of a water body is eliminated, and the detection result is more accurate.
(2) The invention has the advantages that the fluctuating water flow impacts the arc-shaped inner surface of the arc-shaped plate of the current stabilizer, so that the energy of the fluctuating water flow is consumed, the stability of the floating block is kept, the flow guide plates which are symmetrical on two sides guide the fluctuating water flow, the stability of the water flow in a certain area behind the current stabilizer is further ensured, the basic level stability of the water surface in the floating block is ensured, and the sampling and detection accuracy is improved.
(3) According to the invention, the triangular support is connected with the surface of the floating body, the triangular support is manually held, the detection equipment is slowly placed in the water layer, the fluctuation of the water layer in the sampling area is reduced as much as possible, and the triangular support is manually held, so that the detection device is conveniently placed and lifted.
(4) The circular groove and the equal-angle distribution chromatographic grooves in the detection piece form a plurality of trapezoids with trapezoidal structures which diffuse from the center to the periphery, detection test paper is pasted in the grooves, and the particle diameters of pollutants adsorbed by the detection test paper from top to bottom are reduced in sequence. The design ensures that the pollutants sequentially enriched by the detection test paper of the detection piece from top to bottom are gradually reduced, and in the process of vertical upward movement of the detection piece, pollutant particles in a water body continuously enter the surface, the circular groove and the chromatographic groove of the detection piece through the pores of the detection piece, and after the detection piece moves to the position above the horizontal plane and stands for a period of time, different particles are gradually adsorbed downwards due to the chromatographic action, so that gradient adsorption is formed, and the detection accuracy is ensured.
(5) The detection piece has the same particle diameter adsorbed by the detection test paper on the same layer, and the detection test paper is arranged in an equal-angle diffusion manner, so that the number of detection data is effectively increased, the detection repeatability is ensured, the error is reduced, the detection result is closer to actual data, and the detection authenticity is increased.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts;
FIG. 1 is a perspective block diagram of a preferred embodiment of the present invention;
FIG. 2 is a perspective view of a guide rail and a slider according to a preferred embodiment of the present invention;
FIG. 3 is a perspective view of a test element according to a preferred embodiment of the present invention;
FIG. 4 is a block diagram of a test strip of a preferred embodiment of the present invention;
in the figure: 100. a float; 110. a triangular bracket;
200. a current stabilizer; 210. an arc-shaped plate; 220. a baffle;
300. a guide rail; 310. a slider; 320. a retractor; 330. a clamp; 340. a connecting rod;
400. a detection member; 410. a circular groove; 420. a chromatography tank; 430. and (5) detecting test paper.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the scope of the present application. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art through specific situations.
As shown in fig. 1, a device for detecting concentration of water body enriched pollutants comprises a floating body 100, a current stabilizer 200, a guide rail 300 and a detection piece 400. The floating body 100 is a hollow frame structure to define a detection range, the floating body 100 may be a hollow structure with a cross section having various shapes, such as a square, a circle or other polygons, in this embodiment, a rectangle is used to form an outer surface of the frame, i.e., a hollow cylindrical structure, to reduce the impact of water flow fluctuation on the floating body 100, and the floating body 100 is preferably a hollow cylindrical structure according to the present invention. The detecting member 400 is a square screen.
According to the invention, the surface of the floating body 100 is connected through the triangular support 110, the triangular support 110 is manually held, the detection equipment is slowly placed in the water layer, the fluctuation of the water layer in the sampling area is reduced as much as possible, and the triangular support 110 is manually held, so that the detection device is conveniently placed and lifted.
The current stabilizer 200 is formed by connecting an arc-shaped plate 210 and guide plates 220 with symmetrical sides, and one side of the arc-shaped top of the current stabilizer 200 is connected with the floating body 100. The fluctuating water flow impacts the arc-shaped inner surface of the arc-shaped plate 210 of the flow stabilizer 200, so that the energy of the fluctuating water flow is consumed, the stability of the floating block is kept, the flow guide plates 220 which are symmetrical on two sides guide the fluctuating water flow, the stability of the water flow in a certain area behind the flow stabilizer 200 is further ensured, the basic level stability of the surface of the water body in the floating block is ensured, and the sampling and detection accuracy is improved.
As shown in fig. 2, the inner cavity of the floating body 100 is connected with a plurality of symmetrical guide rails 300, and the guide rails 300 are vertically arranged; each guide rail 300 is provided with a sliding block 310, and the sliding block 310 drives the detection piece 400 to move along the vertical direction of the guide rail 300. The slider 310 and the grippers 330 are connected by the telescopic unit 320, and each gripper 330 grips one corner of the inspection piece 400. The adjacent clamps 330 are connected through a connecting rod 340 in sequence to ensure that all the sliding blocks 310 move simultaneously. By adjusting the contraction length of the expansion piece 320, different tightening forces on the detection piece 400 are realized, and inaccurate detection data caused by folds of the detection piece 400 are avoided.
The sliding block 310 is driven by a built-in micro motor to ensure the vertical movement of the sliding block 310, and the micro motor is further connected with a micro damper, which can be set by a person skilled in the art through common knowledge in the art.
As shown in fig. 3 and 4, the detecting member 400 is divided into a plurality of layers, the top layer of the detecting member 400 is a circular groove 410, each layer of the detecting member 400 except the top layer is provided with a plurality of chromatographic grooves 420 which are distributed at equal angles, the chromatographic grooves 420 are sequentially enlarged from top to bottom, each layer of the detecting member 400 is communicated with each other, and a plurality of trapezoidal structures which are diffused from the center to the periphery are formed. The test paper 430 with a size matched with that of each layer of the groove of the test piece 400 is adhered in each layer of the groove. The test paper 430 in each layer of the detection member 400 has a particle diameter that is smaller than that of the particles that adsorb the contaminants from top to bottom, and the particle diameters of the test paper 430 in the same layer of the chromatography groove 420 are the same.
In the detecting member 400 of the present invention, the circular groove 410 and the equal angle distribution chromatography grooves 420 form a plurality of trapezoids having a trapezoidal structure spreading from the center to the periphery, the detecting test paper 430 is stuck in the grooves, and the particle diameters of the detecting test paper 430 sequentially adsorbing the pollutants are sequentially reduced from top to bottom. The design ensures that the pollutants sequentially enriched by the detection test paper 430 of the detection piece 400 from top to bottom are gradually reduced, in the vertical upward movement process of the detection piece 400, the pollutant particles in the water body continuously enter the surface of the detection piece 400, the circular groove 410 and the chromatography groove 420 through the pores of the detection piece 400, and after the detection piece moves to the position above the horizontal plane and stands for a period of time, different particles are gradually adsorbed downwards due to the chromatography action, so that gradient adsorption is formed, and the detection accuracy is ensured. The detection piece 400 has the same particle diameter adsorbed by the detection test paper 430 on the same layer, and the detection test paper 430 is arranged in an equiangular diffusion manner, so that the number of detection data is effectively increased, the detection repeatability is ensured, the error is reduced, the detection result is closer to actual data, and the detection authenticity is increased.
The floating body 100 floats on the surface layer of the water body, and the height difference between the sinking height of the floating body 100 and the horizontal plane is-35 cm to-20 cm. The height difference between the sinking height of the detection piece 400 and the horizontal plane is controlled to be-32 cm-5 cm by adjusting the vertical distance of the sliding block 310 moving on the guide rail 300, so that the detection of the detection piece 400 on the pollutant concentration in the floating body 100 area at a certain depth is realized.
The inner wall of the floating body 100 of the present invention is further provided with a water depth probe (not shown in the drawings) carrying a water depth sensor for detecting the height difference between the sinking height of the floating body 100 and the detecting member 400 and the horizontal plane.
In summary, the invention provides a portable pollutant concentration detection device with a triangular bracket 110, the detection device is characterized in that a current stabilizer 200 is additionally arranged at the front end of a floating body 100 to manufacture a relatively stable detection water layer for the interior of the floating body 100 behind, and sampling and detection are carried out within the depth range of the water layer, so that the influence of wave crests and wave troughs caused by the flow of a water body is eliminated, and the detection result is more accurate.
The invention also provides a use method of the water body enrichment pollutant concentration detection equipment, which comprises the following steps:
s1, clamping four corners of the detection piece 400 with the clamps 330 respectively, tightening the detection piece 400 by adjusting the contraction length of the expansion pieces 320, and placing the detection piece 400 at the lowest end of the guide rail 300;
s2, manually holding the triangular support 110 and slowly placing the detection equipment in a water body, enabling the whole detection equipment to float in the water body by the floating body 100, enabling the sinking height of the floating body 100 to be 20-35 cm relative to the horizontal plane, and meanwhile stabilizing the fluctuation of water flow by the flow stabilizer 200;
s3, when the water body is basically stable, the sliding block 310 drives the detection piece 400 to vertically move upwards along the guide rail 300, so that the detection piece 400 is 2-5 cm above the horizontal plane from the lowest end of the guide rail 300;
s4, manually holding the triangular support 110 to lift the detection equipment to be separated from the water surface, sequentially taking the detection test paper 430 down from the groove of the detection piece 400, and detecting the particle size and concentration of pollutants adsorbed by each detection test paper 430;
and S5, repeating the sampling and detection steps of S1-S5, detecting the concentration of the enriched pollutants in different areas of the same water body, and performing big data analysis on the pollutants in the areas by using a sample estimation algorithm according to different groups of detection results to obtain the concentration of the enriched pollutants in the whole water body.
In S2, in the process of the vertical upward movement of the detection member 400, the pollutants in the water continuously enter the surface of the detection member 400 and each layer of grooves through the pores of the detection member 400, the detection member 400 moves upward, the detection test paper 430 in the circular groove 410 at the top of the detection member 400 is enriched with more pollutant particles, and after moving to above the horizontal plane and standing for a period of time, different particles are gradually adsorbed downward due to chromatography.
In light of the foregoing description of the preferred embodiment of the present invention, it is to be understood that various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. A water body enrichment pollutant concentration detection device is characterized by comprising a floating body, a current stabilizer, a guide rail and a detection piece; the floating body is of a hollow cylindrical structure, and the detection piece is a square filter screen; the surface of the floating body is connected through a triangular bracket so as to be convenient for placing and lifting the floating body; one side of the current stabilizer is connected with the floating body;
the inner cavity of the floating body is connected with a plurality of symmetrical guide rails which are vertically arranged; each guide rail is provided with a sliding block, and the sliding block and the clamp are connected through a telescopic device; each clamp clamps one corner of the detection piece; the slide block drives the detection piece to move along the vertical direction of the guide rail;
the detection part is divided into a plurality of layers, the top layer of the detection part is a circular groove, a plurality of chromatographic grooves are distributed on each layer of the detection part except the top layer at equal angles, the chromatographic grooves are sequentially enlarged from top to bottom, and each layer of the groove of the detection part is communicated and arranged to form a plurality of trapezoidal structures which are diffused from the center to the periphery; and detection test paper with the matched size is stuck in each layer of groove of the detection piece.
2. The water body enriched pollutant concentration detection device according to claim 1, wherein: and adjacent clamps are connected through connecting rods in sequence so as to ensure that all the sliding blocks move simultaneously.
3. The water body enriched pollutant concentration detection device according to claim 1, wherein: the flow stabilizer is formed by connecting an arc-shaped plate and guide plates which are symmetrical on two sides, and one side of the arc-shaped top of the flow stabilizer is connected with the floating body.
4. The water body enriched pollutant concentration detection device according to claim 1, wherein: the floating body floats on the surface layer of the water body, and the height difference between the sinking height of the floating body and the horizontal plane is-35 cm to-20 cm.
5. The water body enriched pollutant concentration detection device according to claim 1, wherein: and controlling the height difference between the sinking height of the detection piece and the horizontal plane to be-32 cm-5 cm by adjusting the vertical distance of the sliding block moving on the guide rail.
6. The water body enriched pollutant concentration detection device according to claim 1, wherein: by adjusting the contraction length of the telescopic device, different tightening forces of the detection piece are achieved.
7. The water body enriched pollutant concentration detection device according to claim 1, wherein: the inner wall of the floating body is also provided with a water depth probe which carries a water depth sensor and is used for detecting the height difference between the sinking height of the floating body and the detection piece and the horizontal plane.
8. The water body enriched pollutant concentration detection device according to claim 1, wherein: the particle diameters of the detection test paper in each layer of the groove of the detection piece, which adsorb pollutants in turn, are reduced in turn from top to bottom, and the particle diameters of the detection test paper in the same layer of the chromatography groove are the same.
9. The use method of the water body enriched pollutant concentration detection device based on any one of claims 1-8 is characterized by comprising the following steps:
s1, clamping four corners of the detection piece with a clamp respectively, tightening the detection piece by adjusting the contraction length of the expansion piece, and placing the detection piece at the bottommost end of the guide rail;
s2, manually holding the triangular support and slowly placing the detection equipment in a water body, enabling the whole detection equipment to float in the water body through the floating body, enabling the sinking height of the floating body to be 20-35 cm relative to the horizontal plane, and meanwhile stabilizing the fluctuation of water flow through the flow stabilizer;
s3, when the water body is basically stable, the slide block drives the detection piece to vertically move upwards along the guide rail, so that the detection piece is 2-5 cm above the horizontal plane from the bottommost end of the guide rail;
s4, manually holding the triangular support to lift the detection equipment to be separated from the water surface, sequentially taking the detection test paper from the groove of the detection piece, and detecting the particle size and concentration of pollutants adsorbed by each detection test paper;
and S5, repeating the sampling and detection steps of S1-S5, detecting the concentration of the enriched pollutants in different areas of the same water body, and performing big data analysis on the pollutants in the areas by using a sample estimation algorithm according to different groups of detection results to obtain the concentration of the enriched pollutants in the whole water body.
10. The use method of the water body enriched pollutant concentration detection device according to claim 9, is characterized in that: in S2, in the process that the detection piece moves vertically upwards, pollutants in the water body continuously enter the surface of the detection piece and each layer of groove through the pores of the detection piece, the detection piece moves upwards, the detection test paper in the circular groove at the top of the detection piece enriches more pollutant particles, and after the detection piece moves to the position above the horizontal plane and stands for a period of time, different particles are gradually adsorbed downwards due to the chromatography effect.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN202011562458.8A CN112697662B (en) | 2020-12-25 | 2020-12-25 | Water body enriched pollutant concentration detection equipment and use method thereof |
| PCT/CN2021/085060 WO2022134372A1 (en) | 2020-12-25 | 2021-04-01 | Device for detecting concentration of concentrated pollutants of water body and method for using same |
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| CN202011562458.8A CN112697662B (en) | 2020-12-25 | 2020-12-25 | Water body enriched pollutant concentration detection equipment and use method thereof |
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| CN112697662A true CN112697662A (en) | 2021-04-23 |
| CN112697662B CN112697662B (en) | 2022-08-05 |
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| WO2022134372A1 (en) | 2022-06-30 |
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