CN115711762A - Layered collection device and method for ecological risk evaluation of soil remediation - Google Patents
Layered collection device and method for ecological risk evaluation of soil remediation Download PDFInfo
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- CN115711762A CN115711762A CN202211326949.1A CN202211326949A CN115711762A CN 115711762 A CN115711762 A CN 115711762A CN 202211326949 A CN202211326949 A CN 202211326949A CN 115711762 A CN115711762 A CN 115711762A
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Abstract
The invention discloses a layered collection device for ecological risk evaluation of soil restoration, which comprises an installation component, a soil loosening module arranged at one end of the installation component, a collection component arranged on the installation component, and a storage component which is arranged in the installation component in a sliding manner and can be communicated with the collection component; the soil loosening module is simple in structural design, the soil bottom layer is preliminarily mixed by the soil loosening module, the sample is guaranteed to have representativeness, the sampling requirements of different depths and different point locations can be met by adjusting the sampling depth and the sampling radius through the collecting assembly and the mounting assembly, and meanwhile, the collected sample can be collected in situ through the storage assembly.
Description
Technical Field
The invention belongs to the field of soil sampling, and particularly relates to a layered collection device and a layered collection method for ecological risk evaluation of restored soil.
Background
Mining and metallurgy activities are a major source of heavy metal pollution; whether the soil is industrial and mining waste land which is seriously polluted by heavy metal or agricultural polluted soil which is relatively light in pollution degree, the composite pollution of various heavy metals is often shown; more complicated, various heavy metals in the polluted soil generally have interaction, which brings difficulty to the application of the soil heavy metal pollution treatment and restoration technology.
The application of the ecological risk evaluation in the soil ecosystem can provide scientific basis for soil heavy metal pollution remediation, soil quality environment evaluation and continuous development and utilization and ecological balance maintenance. The risk evaluation can be divided into qualitative evaluation and quantitative evaluation, and mainly comprises five steps of hazard identification, exposure evaluation, toxicity evaluation, risk characterization and risk control value determination, and the repair target is determined by determining carcinogenic risk and hazard index of pollutants in soil and underground water to exceed the acceptable level of a human body.
Therefore, the risk evaluation has strict requirements on sample collection, and the soil samples collected by the existing soil sample collector have the problems of lack of representativeness, low sample fidelity rate and low sampling efficiency.
Disclosure of Invention
In order to solve the technical problems, the invention provides a layered collecting device and a layered collecting method for ecological risk evaluation of soil remediation.
The technical scheme of the invention is as follows: a layered collection device for ecological risk evaluation of soil restoration comprises an installation component, a soil loosening module arranged at one end of the installation component, a collection component arranged on the installation component, and a storage component which is arranged in the installation component in a sliding mode and can be communicated with the collection component;
the mounting assembly comprises a mounting plate and a mounting cylinder, wherein one end of the mounting cylinder is arranged on the mounting plate;
the soil loosening module comprises a pushing assembly and a soil loosening assembly, wherein one end of the pushing assembly is arranged on the mounting assembly, and the soil loosening assembly is arranged at the other end of the pushing assembly;
the pushing assembly comprises a spiral rotating shaft movably arranged on the mounting plate, a rotating handle with one end arranged on the spiral rotating shaft, and a mounting piece connected with the other end of the spiral rotating shaft;
the soil loosening assembly comprises a sliding groove group arranged on the mounting piece, and a soil breaking assembly arranged on the sliding groove group in a sliding mode;
the collecting assembly comprises a first mounting ring arranged on the mounting cylinder, a second mounting ring arranged on the mounting cylinder in a sliding manner, a collecting pipe with one end movably arranged on the first mounting ring, an inclined supporting rod with one end movably arranged on the first mounting ring and the other end connected with the collecting pipe, and a sample collecting unit arranged at the other end of the collecting pipe;
the storage assembly comprises a storage pipe which is circumferentially and movably arranged in the installation cylinder and can be connected with the sample collection units in a one-to-one correspondence manner, and a pump body which is arranged in the storage pipe and used for extracting samples in the sample collection units.
The ground breaking assembly comprises a sliding block arranged in the sliding groove group, a rotating piece rotatably arranged on the sliding block, a breaking blade arranged on the rotating piece, and a motor used for providing rotating power for the rotating piece;
description of the invention: this setting is through the adjustment to the sliding block position, can effectively increase the scope of breaing ground of subassembly, can also avoid because the device blocks the condition that can't continue the sampling in the sampling process when improving different position sample collection efficiency.
The mounting cylinders comprise an upper section mounting cylinder with one end mounted on the mounting plate, 2 groups of middle mounting cylinders capable of being arranged at the other end of the upper section mounting cylinder, a lower section mounting cylinder arranged at the bottom of the middle mounting cylinder, and a connecting assembly arranged among the mounting cylinders;
description of the drawings: the integral height of the installation barrel can be adjusted by adjusting the number of the middle installation barrels, and the sampling mode can be adapted to different height requirements.
The connecting component comprises limiting components which are respectively arranged at the connecting part of the upper section mounting cylinder and the middle mounting cylinder and the connecting part of the middle mounting cylinder and the lower section mounting cylinder; the limiting assembly comprises mounting base plates and bolts, the mounting base plates are mounted at the bottom end of the upper section mounting cylinder, the two ends of the middle mounting cylinder and the top end of the lower section mounting cylinder, and the bolts are arranged on the mounting base plates;
description of the drawings: the setting of spacing subassembly can effectively splice each installation section of thick bamboo, prevents the circumstances such as whereabouts in-process drops.
The connecting assembly further comprises a sealing assembly, and the sealing assembly comprises sealing blocks arranged at the bottoms of the upper section mounting cylinder and the middle mounting cylinder, and sealing grooves arranged at the top of the middle mounting cylinder and the top of the lower section mounting cylinder;
description of the drawings: through setting up seal assembly and can effectively sealing up storage assembly inside, avoid the not fidelity condition of sample because external force factor leads to, through seal groove and sealed piece cooperation, mounting substrate and bolt cooperation, further guarantee sealed effect to effectively improve device's sampling efficiency.
The sample collection unit comprises a sample collection cavity and a screening component for screening samples;
description of the invention: the samples are screened through the screening assembly, and the samples stored in the storage pipes are guaranteed to be required samples, so that the sampling efficiency is improved.
The screening assembly comprises a screen group arranged at the top and the bottom of the sample collection cavity, a rotating shaft arranged on the inner wall of the sample collection cavity and connected with the collection pipe, and a baffle rotatably arranged on the rotating shaft;
description of the invention: wherein, the top screen cloth particle diameter slightly is less than the bottom screen cloth, and the bottom screen cloth can filter too big granule, guarantees to gather the homogeneity of sample, and the top screen cloth can be screened once more the sample and will slightly big graininess soil sample continue to be preserved in the sample collection intracavity portion to the staff carries out the reanalysis to this part sample, can select the sample to discharge or collect through the position of setting up the rotation at axis of rotation overhead gage to the rotation simultaneously, effectively collects required sample.
The bottom of the storage pipe is provided with a heat insulation material for drying soil; the storage tube and the sample collection cavity are the same in structure size;
description of the invention: the collected soil is naturally and slowly dried by the heat insulation material, the original state of the soil is guaranteed as far as possible, and meanwhile, the in-situ collection of the soil sample can be guaranteed due to the fact that the storage pipe and the sample collection cavity are consistent in structure size, so that the sampling representativeness is improved.
The use method of the layered collection device for ecological risk evaluation of soil remediation comprises the following steps:
s1, mounting a layered acquisition device on a mounting assembly, determining the depth of a mounting cylinder according to the sampling depth, and sequentially selecting the mounting positions of the acquisition assemblies according to the layered height;
s2, the spiral rotating shaft vertically moves downwards by rotating the rotating handle to drive the mounting part arranged at the other end of the spiral rotating shaft to move downwards, the collecting device descends and simultaneously starts the soil loosening module, the soil breaking assembly circularly slides in the sliding groove group, and soil in a certain radius with the center of the sliding groove group as the center of a circle is broken;
s3, adjusting the sampling range by adjusting the acquisition assembly, fixing the position of the first mounting ring, adjusting the mounting position of the second mounting ring to adjust the height of the acquisition pipe to meet the requirement of the sampling position under the action of the inclined stay bar, and enabling the soil sample to enter the sample acquisition unit in the descending process of the acquisition device;
and S4, opening the pump body, sucking the sample collected by the sample collecting unit into the storage assembly through the collecting pipe, and temporarily storing the sample.
The invention has the beneficial effects that: the soil loosening module is simple in structural design, the soil bottom layer is preliminarily mixed uniformly through the soil loosening module, the representativeness of a sample is guaranteed, the sampling requirements of different depths and different point positions can be adapted through the adjustment of the sampling depth and the sampling radius of the collecting assembly and the mounting assembly, and meanwhile, the collected sample can be collected in situ through the storage assembly.
Drawings
FIG. 1 is a schematic structural view of embodiment 1 of the present invention;
FIG. 2 is a sectional view of embodiment 1 of the present invention;
FIG. 3 is a schematic view of the structure of a collecting member according to embodiment 1 of the present invention;
fig. 4 is a schematic structural view of a ripping assembly in embodiment 1 of the present invention;
FIG. 5 is a schematic view of a sample collection unit according to embodiment 1 of the present invention;
FIG. 6 is a schematic structural view of a mounting cylinder in accordance with embodiment 1 of the present invention;
fig. 7 is a schematic structural view of a seal assembly according to embodiment 2 of the present invention.
1-mounting assembly, 11-mounting plate, 12-mounting cylinder, 121-upper mounting cylinder, 122-middle mounting cylinder, 123-lower mounting cylinder, 124-limiting assembly, 1241-mounting base plate, 1242-bolt, 125-sealing assembly, 1251-sealing groove, 1252-sealing block, 2-ripping module, 21-pushing assembly, 211-helical rotation shaft, 212-rotation handle, 213-mounting member, 22-ripping assembly, 221-sliding groove set, 222-breaking assembly, 2221-sliding block, 2222-rotating member, 2223-breaking blade, 3-collecting assembly, 31-first mounting ring, 32-second mounting ring, 33-collecting tube, 34-diagonal bar, 35-sample collecting unit, 351-sample collecting cavity, 352-screening assembly, 3521-screening set, 3522-rotation shaft, 3523-baffle, 4-storage assembly, 41-storage tube.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments thereof for better understanding the advantages of the invention.
Example 1
A layered collection device for ecological risk evaluation of soil remediation comprises an installation component 1, a soil loosening module 2 arranged at one end of the installation component 1, a collection component 3 arranged on the installation component 1, and a storage component 4 which is arranged in the installation component 1 in a sliding manner and can be communicated with the collection component 3;
the mounting assembly 1 comprises a mounting plate 11 and a mounting cylinder 12, wherein one end of the mounting cylinder is arranged on the mounting plate 11;
the mounting cylinder 12 comprises an upper mounting cylinder 121, two groups of middle mounting cylinders 122, a lower mounting cylinder 123 and a connecting component, wherein one end of the upper mounting cylinder 121 is mounted on the mounting plate 11, the two groups of middle mounting cylinders 122 can be arranged at the other end of the upper mounting cylinder 121, the lower mounting cylinder 123 is arranged at the bottom of the middle mounting cylinder 122, and the connecting component is arranged between the mounting cylinders 12;
the connecting assembly comprises a limiting assembly 124 which is respectively arranged at the joint of the upper section mounting cylinder 121 and the middle mounting cylinder 122 and the joint of the middle mounting cylinder 122 and the lower section mounting cylinder 123;
the limiting assembly 124 comprises a mounting base plate 1241 mounted at the bottom end of the upper mounting cylinder 121, at two ends of the middle mounting cylinder 122 and at the top end of the lower mounting cylinder 123, and bolts 1242 arranged on the mounting base plate 1251;
the multiple middle mounting cylinders 122 spliced in the middle can meet the requirement of layered sampling of multiple depths, so that the adaptability of the device in the use process is improved, and the representativeness of a sample can be effectively improved;
the soil loosening module 2 comprises a pushing assembly 21 with one end arranged on the mounting assembly 1 and a soil loosening assembly 22 arranged at the other end of the pushing assembly 21;
the pushing assembly 21 comprises a spiral rotating shaft 211 movably mounted on the mounting plate 11, a rotating handle 212 with one end arranged on the spiral rotating shaft 211, and a mounting part 213 connected with the other end of the spiral rotating shaft 211;
the soil loosening assembly 22 comprises a sliding groove group 221 arranged on the mounting part 213, and a soil breaking assembly 222 arranged on the sliding groove group 221 in a sliding mode;
the collecting assembly 3 comprises a first mounting ring 31 arranged on the mounting barrel 12, a second mounting ring 32 arranged on the mounting barrel 12 in a sliding manner, a collecting pipe 33 with one end movably arranged on the first mounting ring 31, an inclined stay bar 34 with one end movably arranged on the first mounting ring 31 and the other end connected with the collecting pipe 33, and a sample collecting unit 35 arranged at the other end of the collecting pipe 33;
the storage assembly 4 comprises a storage tube 41 which is circumferentially movably arranged in the mounting cylinder 12 and can be connected with the sample collection unit 35 in a one-to-one correspondence manner, and a pump body which is arranged inside the storage tube 41 and is used for extracting a sample inside the sample collection unit 35.
The ground breaking assembly 222 includes a sliding block 2221 provided inside the sliding groove group 221, a rotating member 2222 rotatably provided on the sliding block 2221, a breaking blade 2223 provided on the rotating member 2222, and a motor for supplying rotational power to the rotating member 2222.
The sample collection unit 35 includes a sample collection chamber 351 and a screening assembly 352 for screening a sample.
The screening assembly 352 includes a screen 3521 disposed at the bottom of the sample collection chamber 351, a rotatable shaft 3522 disposed at the inner wall of the sample collection chamber 351 and connected to the collection tube 32, and a shield 3523 rotatably disposed on the rotatable shaft 3522.
The bottom of the storage pipe 41 is provided with a heat insulation material for drying soil; the reservoir tube 41 is the same size as the sample collection well 35.
A use method of a layered collection device for ecological risk assessment of soil restoration comprises the following steps:
s1, knowing the soil pollution condition of a sampling site, selecting a sampling position, installing a layered acquisition device on an installation component 1, determining the depth of an installation cylinder 12 according to the sampling depth, and sequentially selecting the installation position of an acquisition component 3 according to the layered height;
s2, the spiral rotating shaft 211 vertically moves downwards by rotating the rotating handle 212, the mounting piece 213 arranged at the other end of the spiral rotating shaft 211 is pushed to move downwards, the soil loosening module 2 is started while the collecting device descends, the soil breaking component 222 circularly slides in the sliding groove group 221, and soil in a certain radius with the center of the sliding groove group 221 as the center of a circle is broken;
s3, adjusting the sampling range by adjusting the acquisition assembly 3, fixing the position of the first mounting ring 31, adjusting the mounting position of the second mounting ring 32 to adjust the height of the acquisition tube 33 to meet the requirement of the sampling position under the action of the inclined strut 34, and enabling the soil sample to enter the sample acquisition unit 35 in the descending process of the acquisition device;
s4, the pump body is opened, so that the sample collected by the sample collecting unit 35 is pumped into the storage assembly 4 through the collecting pipe 33, and the sample is temporarily stored for later ecological risk evaluation.
The heat insulation material is a commercially available polyurethane heat insulation plate and has waterproof and moistureproof functions.
Example 2
In contrast to embodiment 1, as shown in fig. 7, the connection assembly further includes a seal assembly 125, and the seal assembly 125 includes a seal block 1251 disposed at the bottom of the upper and middle mounting cylinders 122 and 122, and a seal groove 1252 disposed at the top of the middle and lower mounting cylinders 122 and 123.
The sealing structure can ensure the fidelity of the collected sample.
Claims (9)
1. The layered collection device for ecological risk assessment of soil remediation is characterized by comprising a mounting assembly (1), a soil loosening module (2) arranged at one end of the mounting assembly (1), a collection assembly (3) arranged on the mounting assembly (1), and a storage assembly (4) which is arranged in the mounting assembly (1) in a sliding manner and can be communicated with the collection assembly (3);
the mounting assembly (1) comprises a mounting plate (11) and a mounting cylinder (12) with one end arranged on the mounting plate (11);
the soil loosening module (2) comprises a pushing assembly (21) and a soil loosening assembly (22), wherein one end of the pushing assembly (21) is arranged on the mounting assembly (1), and the soil loosening assembly (22) is arranged at the other end of the pushing assembly (21);
the pushing assembly (21) comprises a spiral rotating shaft (211) movably mounted on the mounting plate (11), a rotating handle (212) with one end arranged on the spiral rotating shaft (211), and a mounting piece (213) connected with the other end of the spiral rotating shaft (211);
the soil loosening assembly (22) comprises a sliding groove set (221) arranged on the mounting part (213), and a soil breaking assembly (222) arranged on the sliding groove set (221) in a sliding mode;
the collecting assembly (3) comprises a first mounting ring (31) arranged on the mounting barrel (12), a second mounting ring (32) arranged on the mounting barrel (12) in a sliding manner, a collecting pipe (33) with one end movably arranged on the first mounting ring (31), an inclined strut (34) with one end movably arranged on the first mounting ring (31) and the other end connected with the collecting pipe (33), and a sample collecting unit (35) arranged at the other end of the collecting pipe (33);
the storage assembly (4) comprises a storage pipe (41) which is circumferentially and movably arranged in the installation cylinder (12) and can be connected with the sample collection units (35) in a one-to-one correspondence manner, and a pump body which is arranged in the storage pipe (41) and used for extracting samples in the sample collection units (35).
2. The layered collection system for ecological risk assessment of soil remediation, as claimed in claim 1, wherein the soil breaking assembly (222) comprises a sliding block (2221) disposed inside the sliding groove set (221), a rotating shaft (2222) rotatably disposed on the sliding block (2221), a breaking blade (2223) disposed on the rotating shaft (2222), and a motor for providing rotating power to the rotating shaft (2222).
3. The layered collecting device for ecological risk assessment of soil remediation according to claim 1, wherein the mounting cylinders (12) comprise an upper mounting cylinder (121) with one end mounted on the mounting plate (11), a plurality of groups of intermediate mounting cylinders (122) capable of being arranged at the other end of the upper mounting cylinder (121), a lower mounting cylinder (123) arranged at the bottom of the intermediate mounting cylinder (122), and a connecting assembly arranged between the mounting cylinders (12).
4. The layered collection device for ecological risk assessment of soil remediation according to claim 3, wherein the connection assembly comprises a limiting assembly (124) respectively arranged at the connection position of the upper section installation cylinder (121) and the middle installation cylinder (122) and the connection position of the middle installation cylinder (122) and the lower section installation cylinder (123); the limiting assembly (124) comprises a mounting base plate (1241) and a bolt (1242), wherein the mounting base plate (1241) is mounted at the bottom end of the upper mounting cylinder (121), the two ends of the middle mounting cylinder (122) and the top end of the lower mounting cylinder (123), and the bolt is arranged on the mounting base plate (1241).
5. The layered collection system for ecological risk assessment of soil remediation according to claim 4, wherein the connection assembly further comprises a seal assembly (125), the seal assembly (125) comprises a seal block (1251) disposed at the bottom of the upper section installation cylinder (122) and the middle section installation cylinder (122), and a seal groove (1252) disposed at the top of the middle section installation cylinder (122) and the top of the lower section installation cylinder (123).
6. The layered collection apparatus for risk assessment of ecological restoration of soil according to claim 1, wherein the sample collection unit (35) comprises a sample collection cavity (351) and a screening component (352) for screening samples.
7. The layered collection apparatus for ecological risk assessment of soil according to claim 6, wherein the screening assembly (352) comprises a screen set (3521) disposed at the top and bottom of the sample collection chamber (351), a rotation shaft (3522) disposed at the inner wall of the sample collection chamber (351) and connected to the collection tube (32), and a baffle (3523) rotatably disposed on the rotation shaft (3522).
8. The layered collection device for soil restoration ecological risk assessment according to claim 1, wherein the bottom of the storage pipe (41) is provided with a thermal insulation material for drying soil; the storage tube (41) and the sample collection cavity (35) are the same in structure and size.
9. The use method of the layered collection device for ecological risk assessment of soil remediation according to any one of claims 1 to 8, comprising the following steps:
s1, mounting a layered acquisition device on a mounting assembly (1), determining the depth of a mounting cylinder (12) according to the sampling depth, and sequentially selecting the mounting positions of acquisition assemblies (3) according to the layered height;
s2, the spiral rotating shaft (211) vertically moves downwards by rotating the rotating handle (212), the mounting piece (213) arranged at the other end of the spiral rotating shaft (211) is driven to move downwards, the soil loosening module (2) is started when the collecting device descends, the soil breaking component (222) circularly slides in the sliding groove group (221), and soil in a certain radius with the center of the sliding groove group (221) as the center of a circle is broken;
s3, adjusting the sampling range by adjusting the acquisition assembly (3), fixing the position of the first mounting ring (31), adjusting the mounting position of the second mounting ring (32) to enable the height of the acquisition pipe (33) to be adjusted to meet the requirement of the sampling position under the action of the inclined support rod (34), and enabling a soil sample to enter the sample acquisition unit (35) in the descending process of the acquisition device;
s4, the pump body is opened, so that the sample collected by the sample collecting unit (35) is pumped into the storage assembly (4) through the collecting pipe (33), and the sample is temporarily stored.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211326949.1A CN115711762B (en) | 2022-10-26 | 2022-10-26 | Layered acquisition device and method for evaluating ecological risk of restored soil |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211326949.1A CN115711762B (en) | 2022-10-26 | 2022-10-26 | Layered acquisition device and method for evaluating ecological risk of restored soil |
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| CN115711762A true CN115711762A (en) | 2023-02-24 |
| CN115711762B CN115711762B (en) | 2023-05-23 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3904105A1 (en) * | 1989-02-11 | 1990-08-16 | Fritzmeier Georg Gmbh & Co | Method and device for taking soil samples |
| JP2001329527A (en) * | 2000-05-25 | 2001-11-30 | Sumikon Serutekku Kk | Sampling apparatus and method for soil |
| CN210571452U (en) * | 2019-05-22 | 2020-05-19 | 深圳市威标检测技术有限公司 | Multilayer wetland soil collection system |
| CN113432916A (en) * | 2021-07-27 | 2021-09-24 | 李华飞 | Soil taking device of saline-alkali soil pollution remediation equipment and drilling method thereof |
| CN114397137A (en) * | 2022-02-14 | 2022-04-26 | 云南瀚哲科技有限公司 | Multi-layer collection device and collection method for cultivated land soil samples |
| CN217561021U (en) * | 2022-06-30 | 2022-10-11 | 中国地质科学院郑州矿产综合利用研究所 | Deep soil distributed collector with freezing function |
-
2022
- 2022-10-26 CN CN202211326949.1A patent/CN115711762B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3904105A1 (en) * | 1989-02-11 | 1990-08-16 | Fritzmeier Georg Gmbh & Co | Method and device for taking soil samples |
| JP2001329527A (en) * | 2000-05-25 | 2001-11-30 | Sumikon Serutekku Kk | Sampling apparatus and method for soil |
| CN210571452U (en) * | 2019-05-22 | 2020-05-19 | 深圳市威标检测技术有限公司 | Multilayer wetland soil collection system |
| CN113432916A (en) * | 2021-07-27 | 2021-09-24 | 李华飞 | Soil taking device of saline-alkali soil pollution remediation equipment and drilling method thereof |
| CN114397137A (en) * | 2022-02-14 | 2022-04-26 | 云南瀚哲科技有限公司 | Multi-layer collection device and collection method for cultivated land soil samples |
| CN217561021U (en) * | 2022-06-30 | 2022-10-11 | 中国地质科学院郑州矿产综合利用研究所 | Deep soil distributed collector with freezing function |
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