Rapid screening device for soil pollution in industrial and mining area

Abstract

The utility model relates to the technical field of soil detection, in particular to a rapid screening device for soil pollution in industrial and mining areas. The soil layer in the earth surface can be sampled and detected, and the soil detection efficiency and the detection precision are improved; comprising a rod column, a lifting frame mounted on the rod column in an up-down sliding manner, a mounting disc mounted at the bottom of the lifting frame, a plurality of sampling insertion pipes uniformly distributed at the bottom of the mounting disc in the circumferential direction, a rotating frame rotationally mounted on the rod column, and a plurality of liquid containing pipes uniformly distributed at the bottom of the rotating frame in the circumferential direction, the adjusting seat is rotationally mounted in the middle of the rotating frame; the X-ray fluorescence spectrophotometer is mounted on the adjusting seat; a lifting driving piece for driving the lifting frame to slide up and down is mounted on the lifting frame; the sampling insertion pipe is rotatably mounted on the mounting disc, a driven wheel is fixedly mounted at the top of the sampling insertion pipe, a driving wheel meshed with the driven wheel is rotatably mounted in the middle of the mounting disc, and a first driving motor for driving the driving wheel to rotate is mounted on the lifting frame.

Description

Technical Field

[0001] The utility model relates to the technical field of soil detection, in particular to a rapid screening device for soil pollution in industrial and mining areas. Background Technique

[0002] As is well known, an industrial and mining area refers to a certain geographical area delimited for the development of industrial and mining industries; after the pollutants generated by mining operations enter the soil body, through processes such as physical and mechanical absorption, retention, colloidal physical and chemical adsorption, chemical precipitation, and biological absorption of suspended pollutants by the soil body, they continuously accumulate in the soil. When reaching a certain amount, it causes deterioration of the soil composition, structure, properties, and functions, and begins to accumulate in plants, affecting the normal growth and development of plants; among them, heavy metals are the main pollution sources of soil pollution in mining areas.

[0003] For example, the Chinese utility model patent discloses a rapid detection device for soil heavy metal pollution (publication number CN216956029U). The rapid detection device for soil heavy metal pollution includes a handheld soil heavy metal detector and a handheld mechanism installed on the handheld soil heavy metal detector. The handheld mechanism includes: a housing; a sleeve, the sleeve is fixedly installed at the bottom of the housing; a fixing mechanism, the fixing mechanism is arranged on the handheld soil heavy metal detector; a telescopic mechanism, the telescopic mechanism is arranged on the housing; a handle, the handle is fixedly installed at the top of the housing. It has the advantages of not requiring the detector to squat down and stand up, being relatively labor-saving, reducing the harm to the knees and waist of the detector, saving time, and improving the detection efficiency.

[0004] However, when the inventor specifically implemented this device, it was found that there were the following defects: the handheld soil heavy metal detector can only detect the surface soil. Since heavy metal ions mostly settle inside the surface soil with rainwater, the accuracy of the detection data needs to be further improved. Summary of the Utility Model

[0005] (1) Technical Problems to be Solved

[0006] Aiming at the deficiencies of the prior art, the utility model provides a rapid screening device for soil pollution in industrial and mining areas that can achieve sampling and detection of the soil layer inside the surface, improving the soil detection efficiency and detection accuracy.

[0007] (2) Technical Solutions

[0008] To achieve the above object, the utility model provides the following technical solution: A rapid screening device for soil pollution in industrial and mining areas, including a rod column, a lifting frame slidably mounted up and down on the rod column, a mounting plate installed at the bottom of the lifting frame, a plurality of sampling insertion tubes circumferentially and evenly distributed at the bottom of the mounting plate, a rotating frame rotatably mounted on the rod column, a plurality of liquid receiving tubes circumferentially and evenly distributed at the bottom of the rotating frame, an adjustment seat rotatably mounted in the middle of the rotating frame, and an X-ray fluorescence spectrometer installed on the adjustment seat; A lifting driving member for driving the lifting frame to slide up and down is installed on the lifting frame; Further, the number of the sampling insertion tubes is the same as that of the liquid receiving tubes, and the sampling insertion tubes and the liquid receiving tubes are arranged correspondingly; The lifting driving member includes a gear rotatably mounted on the lifting frame and a driver integrally connected to the gear. A tooth rail meshing with the gear is provided on the rod column, and the driver is a hand crank or a servo motor.

[0009] Preferably, the sampling insertion tube is rotatably mounted on the mounting plate. A driven wheel is fixedly installed at the top of the sampling insertion tube, and a driving wheel meshing with the driven wheel is rotatably mounted in the middle of the mounting plate. A first driving motor for driving the driving wheel to rotate is installed on the lifting frame.

[0010] Preferably, a plurality of groups of through holes communicating with the inside of the sampling insertion tube are provided on the outer wall of the sampling insertion tube.

[0011] Preferably, the bottom of the sampling insertion tube is provided with a skew tip.

[0012] Preferably, a second driving motor for driving the adjustment seat to rotate is installed at the bottom of the rotating frame.

[0013] Preferably, the adjustment seat includes a base and a rotating frame rotatably mounted on the base. The X-ray fluorescence spectrometer is installed on the rotating frame, and the rotating frame and the base are locked by bolts.

[0014] Preferably, a drain valve is installed at the bottom of the liquid receiving tube.

[0015] Preferably, a limit bolt is installed on the rotating frame, and the rotating frame and the rod column are locked by the limit bolt.

[0016] (III) Beneficial effects

[0017] Compared with the prior art, the utility model provides a rapid screening device for soil pollution in industrial and mining areas, which has the following beneficial effects: the rapid screening device for soil pollution in industrial and mining areas drives the lifting frame to move downward through a lifting driving member until the sampling insertion tube is inserted into the surface soil, and the surface soil enters each sampling insertion tube. Subsequently, the sampling insertion tube drives the lifting frame to move upward, rotates the rotating frame, so that each liquid storage tube is respectively located directly below the corresponding sampling insertion tube, and the lifting driving member drives the lifting frame to move downward until the sampling insertion tube is completely immersed in the fluorescent agent in the liquid storage tube, and the soil in the sampling insertion tube is dissolved in the fluorescent agent. The dissolved reagent in each liquid storage tube is detected by an X-ray fluorescence spectrometer. Multiple groups of sampling and detection processing of the surface soil at the same location can be realized at one time. Dissolving the soil sample in the fluorescent agent can fully dissolve the heavy metal ions in the soil, so as to facilitate the accurate detection of heavy metal ions by the X-ray fluorescence spectrometer, realize the sampling and detection of the surface soil layer, and improve the soil detection efficiency and detection accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a three-dimensional structural schematic diagram of the utility model;

[0019] Figure 2 is a top plan structural schematic diagram of the utility model;

[0020] Figure 3 is the Figure 2 cross-sectional structural schematic diagram at A-A of the utility model;

[0021] Figure 4 is the Figure 3 cross-sectional structural schematic diagram at B-B of the utility model;

[0022] Reference numerals in the drawings: 1, rod column; 2, lifting frame; 3, mounting plate; 4, sampling insertion tube; 5, rotating frame; 6, liquid storage tube; 7, X-ray fluorescence spectrometer; 8, lifting driving member; 9, driven wheel; 10, driving wheel; 11, first driving motor; 12, through hole; 13, inclined tip; 14, second driving motor; 15, base; 16, rotating frame; 17, drain valve; 18, limit bolt. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0024] To enable those skilled in the art to better understand the solution of the present utility model, the following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the scope of protection of the present utility model.

[0025] A rapid soil heavy metal pollution detection device as described in the background technology; the handheld soil heavy metal detector can only detect the surface soil. Since heavy metal ions mostly settle inside the surface soil with rainwater, the accuracy of the detection data needs to be further improved.

[0026] To solve this technical problem, the present utility model provides a rapid screening device for soil pollution in industrial and mining areas, which is applied to the detection of soil inside the surface of mining areas.

[0027] Specifically, please refer to Figures 1-3 , the rapid screening device for soil pollution in industrial and mining areas specifically includes: a rod column 1, a lifting frame 2 slidably mounted up and down on the rod column 1, a mounting plate 3 mounted at the bottom of the lifting frame 2, a plurality of sampling insertion tubes 4 circumferentially and evenly distributed at the bottom of the mounting plate 3, a rotating frame 5 rotatably mounted on the rod column 1, a plurality of liquid receiving tubes 6 circumferentially and evenly distributed at the bottom of the rotating frame 5, an adjustment seat rotatably mounted in the middle of the rotating frame 5, and an X-ray fluorescence spectrometer 7 mounted on the adjustment seat; a lifting drive member 8 for driving the lifting frame 2 to slide up and down is mounted on the lifting frame 2; further, the number of the sampling insertion tubes 4 is the same as that of the liquid receiving tubes 6, and the sampling insertion tubes 4 and the liquid receiving tubes 6 are arranged correspondingly; the lifting drive member 8 includes a gear rotatably mounted on the lifting frame 2 and a driver integrally connected to the gear, a tooth rail meshing with the gear is provided on the rod column 1, and the driver is a hand crank or a servo motor; the lifting drive member 8 can also adopt other equivalent drive members capable of driving the lifting frame 2 to move up and down.

[0028] The rapid screening device for soil pollution in industrial and mining areas provided by the utility model drives the lifting frame 2 to move downward through the lifting driving member 8 until the sampling insertion tube 4 is inserted into the surface soil. The surface soil enters each sampling insertion tube 4. Subsequently, the sampling insertion tube 4 drives the lifting frame 2 to move upward. The rotating frame 5 is rotated so that each liquid storage tube 6 is respectively located directly below the corresponding sampling insertion tube 4. The lifting driving member 8 drives the lifting frame 2 to move downward until the sampling insertion tube 4 is completely immersed in the fluorescent agent in the liquid storage tube 6. The soil in the sampling insertion tube 4 is dissolved in the fluorescent agent. The dissolved reagent in each liquid storage tube 6 is detected by the X-ray fluorescence spectrometer 7. Multiple groups of sampling and detection processing of the surface internal soil at the same location can be realized at one time. Dissolving the soil sample in the fluorescent agent can fully dissolve the heavy metal ions in the soil, so as to facilitate the accurate detection of heavy metal ions by the X-ray fluorescence spectrometer 7, realize the sampling and detection of the internal soil layer of the surface, and improve the soil detection efficiency and detection accuracy.

[0029] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the accompanying drawings.

[0030] It should be noted that, without conflict, the embodiments in the utility model and the features and technical solutions in the embodiments can be combined with each other.

[0031] It should be noted that similar reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0032] Embodiment 1

[0033] Please refer to Figures 1-4 , a rapid screening device for soil pollution in industrial and mining areas, which includes a rod column 1, a lifting frame 2 slidably installed up and down on the rod column 1, a mounting plate 3 installed at the bottom of the lifting frame 2, a plurality of sampling insertion tubes 4 circumferentially and evenly distributed at the bottom of the mounting plate 3, a rotating frame 5 rotatably installed on the rod column 1, a plurality of liquid storage tubes 6 circumferentially and evenly distributed at the bottom of the rotating frame 5, an adjustment seat rotatably installed in the middle of the rotating frame 5, and an X-ray fluorescence spectrometer 7 installed on the adjustment seat; a lifting driving member 8 for driving the lifting frame 2 to slide up and down is installed on the lifting frame 2;

[0034] The sampling insertion tube 4 is rotatably installed on the mounting plate 3. A driven wheel 9 is fixedly installed at the top of the sampling insertion tube 4. A driving wheel 10 meshing with the driven wheel 9 is rotatably installed in the middle of the mounting plate 3. A first driving motor 11 for driving the driving wheel 10 to rotate is installed on the lifting frame 2.

[0035] A plurality of through holes 12 communicating with the inside of the sampling insertion tube 4 are provided on the outer wall of the sampling insertion tube 4.

[0036] The bottom of the sampling cannula 4 is provided with a skew tip 13.

[0037] In the rapid soil pollution screening device for industrial and mining areas provided in this embodiment, when soil sampling is carried out, the first driving motor 11 drives the driving wheel 10 to rotate, the driven wheel 9 follows the driving wheel 10 to rotate, and the sampling cannula 4 is inserted into the soil in a rotating state, which can improve the smoothness of the sampling cannula 4 for soil sampling. The skew tip 13 can quickly break through the hard surface soil; when the sampling cannula 4 is completely inserted into the fluorescent agent in the liquid storage tube 6, due to the centrifugal force generated by the rotation of the sampling cannula 4, the soil in the sampling cannula 4 is thrown out from the through hole 12. At the same time, the rotation of the sampling cannula 4 can accelerate the dissolution rate of the soil in the fluorescent agent and improve the dissolution uniformity of the soil in the fluorescent agent; at the same time, the fluorescent agent can clean the sampling cannula 4 to reduce the residue of the soil sample at the sampling cannula 4 and ensure the accuracy of the next soil detection.

[0038] Embodiment 2

[0039] The rapid soil pollution screening device for industrial and mining areas provided in Embodiment 1 is further optimized. Specifically, as Figure 3 shown, a second driving motor 14 for driving the adjustment seat to rotate is installed at the bottom of the rotating frame 5; the second driving motor 14 is preferably a braking stepping motor.

[0040] The adjustment seat includes a base 15 and a rotating frame 16 rotatably installed on the base 15. The X-ray fluorescence spectrometer 7 is installed on the rotating frame 16, and the rotating frame 16 and the base 15 are locked by bolts.

[0041] In the rapid soil pollution screening device for industrial and mining areas provided in this embodiment, the second driving motor 14 drives the adjustment seat to rotate, so that the detection end of the X-ray fluorescence spectrometer 7 rotates above the corresponding liquid storage tube 6 respectively to detect the heavy metals in the solvent in each liquid storage tube 6; no manual intervention is required and the operation is convenient; the installation angle of the rotating frame 16 on the base 15 can be adjusted to adaptively adjust the orientation of the detection end of the X-ray fluorescence spectrometer 7 to ensure the smooth detection of heavy metal ions in the solvent by the X-ray fluorescence spectrometer 7.

[0042] Specifically, a drain valve 17 is installed at the bottom of the liquid storage tube 6; by opening the drain valve 17, the solvent in the liquid storage tube 6 can be drained.

[0043] Specifically, a limit bolt 18 is installed on the rotating frame 5, and the rotating frame 5 and the rod column 1 are locked by the limit bolt 18; the limit bolt 18 can lock the rotating frame 5 to the column rod to prevent the rotating frame 5 from rotating self.

[0044] The usage process of the rapid soil pollution screening device for industrial and mining areas provided by the present utility model is as follows: The lifting drive member 8 drives the lifting frame 2 to move downward until the sampling insertion tube 4 is inserted into the surface soil, and the surface soil enters each sampling insertion tube 4. Subsequently, the sampling insertion tube 4 drives the lifting frame 2 to move upward, and the second drive motor 14 drives the rotating frame 5 to rotate, so that each liquid storage tube 6 is respectively located directly below the corresponding sampling insertion tube 4. The lifting drive member 8 drives the lifting frame 2 to move downward until the sampling insertion tube 4 is completely immersed in the fluorescent agent in the liquid storage tube 6. The first drive motor 11 drives the driving wheel 10 to rotate, the driving wheel 10 drives the driven wheel 9 and the sampling insertion tube 4 to rotate, and the soil in the sampling insertion tube 4 dissolves in the fluorescent agent. Then, the X-ray fluorescence spectrometer 7 is used to detect the dissolved reagent in each liquid storage tube 6. After the detection is completed, the drain valve 17 is opened to discharge the detection reagent outside.

[0045] In the present utility model, unless otherwise clearly defined and limited, the terms "installation", "connection", "connection", "fixation" and other terms should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection, an electrical connection or communication with each other; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the internal connection of two components or the interaction relationship between two components, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0046] Obviously, the above-described embodiments are only a part of the embodiments of the present utility model, rather than all embodiments. The accompanying drawings show the preferred embodiments of the present utility model, but do not limit the patent scope of the present utility model. The present utility model can be implemented in many different forms. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosed content of the present utility model more thorough and comprehensive. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing specific embodiments, or equivalently replace some of the technical features. Any equivalent structure directly or indirectly using the content of the specification and drawings of the present utility model in other related technical fields shall be equally within the scope of the patent protection of the present utility model.

Claims

1. A rapid screening device for soil pollution in industrial and mining areas, characterized in that: The invention comprises a rod column (1), a lifting frame (2) slidably mounted on the rod column (1), a mounting plate (3) mounted on the bottom of the lifting frame (2), a plurality of sampling cannulas (4) evenly distributed on the bottom of the mounting plate (3) in the circumferential direction, a rotating frame (5) rotatably mounted on the rod column (1), a plurality of liquid containing pipes (6) evenly distributed on the bottom of the rotating frame (5) in the circumferential direction, an adjustment seat rotatably mounted on the middle of the rotating frame (5), and an X-ray fluorescence spectrometer (7) mounted on the adjustment seat; the lifting frame (2) is mounted with a lifting drive member (8) for driving the lifting frame (2) to slide up and down.

2. The rapid screening device for soil pollution in industrial and mining areas according to claim 1 is characterized in that: The sampling cannula (4) is rotatably mounted on the mounting plate (3); a driven wheel (9) is fixedly mounted on the top of the sampling cannula (4); a driving wheel (10) meshing with the driven wheel (9) is rotatably mounted in the middle of the mounting plate (3); and a first driving motor (11) for driving the driving wheel (10) to rotate is mounted on the lifting frame (2).

3. The rapid screening device for soil pollution in industrial and mining areas according to claim 2 is characterized in that: The outer wall of the sampling cannula (4) is provided with a plurality of through holes (12) which are in communication with the interior of the sampling cannula (4).

4. The rapid screening device for soil pollution in industrial and mining areas according to claim 3 is characterized in that: The bottom of the sampling cannula (4) is provided with an inclined tip (13).

5. The rapid screening device for soil pollution in industrial and mining areas according to claim 1 is characterized in that: A second driving motor (14) for driving the adjustment seat to rotate is installed at the bottom of the rotating frame (5).

6. The rapid screening device for soil pollution in industrial and mining areas according to claim 5 is characterized in that: The adjustment seat comprises a base (15) and a rotating frame (16) rotatably mounted on the base (15); the X-ray fluorescence spectrometer (7) is mounted on the rotating frame (16); and the rotating frame (16) and the base (15) are locked by bolts.

7. The rapid screening device for soil pollution in industrial and mining areas according to claim 1 is characterized in that: A drain valve (17) is installed at the bottom of the liquid storage pipe (6).

8. The rapid screening device for soil pollution in industrial and mining areas according to claim 1 is characterized in that: A limiting bolt (18) is installed on the rotating frame (5), and the rotating frame (5) and the pole (1) are locked by the limiting bolt (18).

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