CN110967217A - Environment soil sampling device and measuring method for detecting lead content of waste residue soil - Google Patents
Environment soil sampling device and measuring method for detecting lead content of waste residue soil Download PDFInfo
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- CN110967217A CN110967217A CN201911420755.6A CN201911420755A CN110967217A CN 110967217 A CN110967217 A CN 110967217A CN 201911420755 A CN201911420755 A CN 201911420755A CN 110967217 A CN110967217 A CN 110967217A
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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
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
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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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/3103—Atomic absorption analysis
Abstract
The invention discloses an environmental soil sampling device which comprises a fixing plate, a supporting frame, a sampling drill rod and a power device, wherein the supporting frame is arranged at the lower part of the fixing plate, the middle part of the fixing plate is provided with the sampling drill rod, the end part of the sampling drill rod is provided with the power device, a plurality of sampling ports are arranged on the sampling drill rod at intervals, and the sampling ports are distributed along the axial direction of the sampling drill rod. The environment soil detection device overcomes the defect that common sampling equipment is difficult to sample, and soil samples at different depths can be conveniently sampled by arranging the sampling port on the drill rod, so that the working difficulty is reduced; the drilling rod is through the design body of rod and guide arm to divide into interior outer pole with holistic drilling rod, the guide arm is used for the transmission, and the body of rod is arranged in breaking into soil, and when the body of rod damaged to some extent, also can only change the body of rod can, practiced thrift the cost.
Description
Technical Field
The invention relates to the technical field of soil detection and sampling equipment, in particular to an environmental soil sampling device and a method for measuring lead content of waste residue soil by using the same.
Background
The environmental detection and treatment is an industry with strong technology, and the current soil sampling refers to a method for collecting soil samples, which comprises the distribution of sampling and a sampling technology; the sampling device adopted at present, such as section soil sample sampling, should be carried out after section observation sampling, or carry out the collection of deep soil sample.
However, the existing devices still have certain problems, and the specific problems include the following points:
general soil sampling device only can be used for the sampling test of top soil, especially in the comparatively tight region of soil for the sampling test of deep soil is restricted greatly owing to lack convenient function of breaking soil.
And soil sampling equipment gets into in the soil deep layer promptly, also is difficult to carry out the sample work of different degree of depth soil.
The defects of complex sampling operation, time and labor waste and low sampling efficiency exist, so that a novel soil sampling device needs to be researched and developed urgently.
At present, in a method for calculating the lead content in waste residue soil, for example, in patent No. 2013101116759, an ICP method is adopted to measure the lead element content in soil, the method is complicated, and if a method process for sampling in soil is lacked, technicians cannot accurately know a sampling calculation method from the application.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an environmental soil sampling device which has the advantages of automatic and efficient deep penetration into a soil layer, rolling support, elastic limit and the like, and solves the problems in the prior art.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an environmental soil sampling device, includes fixed plate, support frame, sample drilling rod and power device, the support frame is located the fixed plate lower part, the fixed plate middle part is equipped with the sample drilling rod, sample drilling rod tip is equipped with power device, and the spaced apart a plurality of sample connection that are equipped with on the sample drilling rod, sample connection is along sample drilling rod axial distribution.
In some embodiments, the sampling drill rod includes a rod body and a guide rod, the guide rod is disposed inside the rod body, the rod body and the guide rod are connected through a fixing bolt, the rod body is hollow, and the guide rod is connected with a power device.
In some practical manners, the power device comprises a clothes-private motor and a speed reducer, a power output end of the clothes-private motor is connected with the speed reducer, and the speed reducer is meshed with the guide rod through a gear.
In some embodiments, the power unit is mounted on a fixed frame mounted on the fixed plate, and the fixed frame is provided with a handrail.
In some practical manners, a plate groove is formed in the inner side wall of the rod body, a baffle is inserted in the plate groove, a rotating gear is arranged at the end part of the baffle and is connected with a motor, and the motor can drive the baffle to reciprocate up and down.
In some embodiments, the sampling opening is equally distributed on the rod body, the sampling opening hole faces downwards, and an acute angle is formed between the sampling opening and the central axis of the rod body, and the angle of the acute angle is 0-0 °.
In some factual modes, the supporting frame is connected with the fixing plate through a spring, the supporting frame is a hydraulic telescopic rod, and the end part of the supporting frame is provided with a tip part.
A measuring method for detecting lead content in waste residue soil comprises the following steps:
1) selecting a soil area sample to be detected;
2) carrying out plane matrix division on a soil area to be detected, wherein the distances between matrix points are the same;
3) performing longitudinal matrix division on the soil area to be detected in the step 2, wherein the distances between matrix points are the same;
4) sampling the soil in the step 2 and the step 3 respectively, and calculating the average value of the lead content of the soil in the step 2 and the step 3;
5) and summarizing the quantity in the step 4 to obtain the lead value of the soil area to be detected.
In the application, the soil area to be detected is measured by multiple points and the lead-containing value of the soil in the area to be detected can be effectively and accurately calculated through an average value algorithm.
In some facts, the distance between each matrix point of the planar matrix partition is 2-4 m; the distance between each matrix point of the longitudinal matrix partition is 20-40cm, and the distance between the longitudinal matrix points is equivalent to the distance between each sampling port (5).
In some embodiments, the environmental soil sampling device is characterized in that the sampling method in the step 4 is,
sample treatment: passing the soil through a sieve pore of 2-4mm, removing impurities, adding an alkali solution, and standing for microwave treatment for 5-10min under the condition that the power is 450-550W to obtain an alkaline hydrolysis solution; adding the extracting solution to obtain a mixed solution, adding a citric acid solution to adjust the pH value of the mixed solution to 2-4, then performing microwave treatment for 30-60min under the condition that the power is 850-950W, and filtering to obtain a test solution; the alkali solution is a potassium hydroxide solution with the mass concentration of 2-4%, and the extracting solution consists of the following components: 5-10 parts of chitosan oligosaccharide, 0.5-2 parts of potassium chloride, 1-3 parts of citric acid and 20-30 parts of water;
sample detection: the flame atomic absorption method is adopted for measurement, the measurement wavelength is 280-290nm, the pass band width is 0.5-0.6nm, the lamp current is 3-4mA, and the flame is air-acetylene flame.
(III) advantageous effects
Compared with the prior art, the invention provides an environmental soil sampling device, which has the following beneficial effects:
1. the environment soil detection device overcomes the defect that common sampling equipment is difficult to sample, and soil samples at different depths can be conveniently sampled by arranging the sampling port on the drill rod, so that the working difficulty is reduced;
2. the drilling rod is through the design body of rod and guide arm to divide into interior outer pole with holistic drilling rod, the guide arm is used for the transmission, and the body of rod is arranged in breaking into soil, and when the body of rod damaged to some extent, also can only change the body of rod can, practiced thrift the cost.
Drawings
FIG. 1 is a schematic structural diagram of an environmental soil sampling device according to an embodiment of the present invention;
FIG. 2 is a schematic front view of a sampling drill rod of an environmental soil sampling device according to an embodiment of the present invention;
FIG. 3 is a schematic side view of a sampling drill rod of an environmental soil sampling device according to an embodiment of the present invention;
FIG. 4 is a schematic top view of a sampling drill rod of an environmental soil sampling device according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a planar matrix division of a soil area to be detected;
fig. 6 is a schematic diagram of longitudinal matrix division of a soil region to be detected.
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.
Referring to fig. 1, the present invention provides a technical solution:
an environmental soil sampling device comprises a fixed plate 1, a support frame 2, a sampling drill rod 3 and a power device 4, wherein the support frame 2 is movably connected to the lower part of the fixed plate 1 through a pin shaft, the support frame 2 is convenient to store and carry, and a spring is connected between the support frame 2 and the fixed plate 1; the middle hole has been seted up at fixed plate 1 middle part, and the mesopore department installs sample drilling rod 3, and power device 4 is installed to 3 tip of sample drilling rod, and power device 4 adopts servo motor.
As shown in fig. 2-4, a plurality of sampling ports 5 are formed at intervals on the sampling drill rod 3, and the sampling ports 5 are axially distributed along the sampling drill rod 3.
The sampling drill rod 3 comprises a rod body 31 and a guide rod 32, the guide rod 32 is arranged inside the rod body 31, and the rod body 31 is connected with the guide rod 32 through a fixing bolt, so that the rod body 31 is detachably connected with the guide rod 32, and when the rod body 31 is damaged, the rod body 31 can be independently detached and replaced; the rod body 31 is hollow, the end of the guide rod 32 is connected with the power device 4, and the power device 4 drives the guide rod 32 to rotate and simultaneously drives the rod body 31 to rotate.
In the use, when sample drilling rod 3 bored in waiting to detect the soil, through adjusting the baffle 312, all closed the sample connection 5 on the drilling rod 3 that will take a sample, when waiting to take a sample drilling rod 3 and be about to get into required sample place, open baffle 312 for the hole on baffle 312 corresponds with the hole on the sample connection 5, then through rotatory or lower spying, gets soil sample in the sample connection 5.
The power device 4 comprises a clothes motor and a speed reducer, the power output end of the clothes motor is connected with the speed reducer, and the speed reducer is meshed with the guide rod 32 through a gear. The power transmission between the gears can make the power transmission more stable.
The inner side wall of the rod body 31 is provided with a plate groove 311, the plate groove 311 is convenient to mount along the sampling opening 5, the baffle 312 is inserted into the plate groove 311, the end part of the baffle 312 is provided with a rotating gear, the rotating gear is connected with a motor, and the motor can drive the baffle 312 to do up-and-down reciprocating motion. Wherein, the motor can be arranged on the fixed plate 1 through a fixed bolt.
In the above, the sampling ports 5 are equally distributed on the rod body 31. A plurality of sample connection 5 distribute from top to bottom on the body of rod 31, and 5 openings in sample connection are down, are convenient for take a sample to soil, and are the acute angle between the axis of the body of rod 31 and the sample connection 5, and the angle of acute angle is 0-60.
In this application, the angle of sample connection 5 and the axis of the body of rod 31 is 45. Under this angle, it is more convenient to sample.
A measuring method for detecting lead content in waste residue soil comprises the following steps:
1) selecting a soil area sample to be detected;
2) carrying out plane matrix division on a soil area to be detected, wherein the distances between matrix points are the same;
3) performing longitudinal matrix division on the soil area to be detected in the step 2, wherein the distances between matrix points are the same;
4) sampling the soil in the step 2 and the step 3 respectively, and calculating the average value of the lead content of the soil in the step 2 and the step 3;
5) and summarizing the quantity in the step 4 to obtain the lead value of the soil area to be detected.
In the application, the soil area to be detected is measured by multiple points and the lead-containing value of the soil in the area to be detected can be effectively and accurately calculated through an average value algorithm.
As shown in fig. 5, where the distance between each matrix point of the planar matrix division is 2-4m, in this application each matrix point distance is 3 m;
the measured value of each matrix point is L1、L2、L3、……LnL mean value ═ L1+L2+L3+……Ln)/n；
As shown in fig. 6, the distance of each matrix point of the vertical matrix division is 20-40cm, in this case 30cm, wherein the distance between the vertical matrix points is comparable to the distance between each sampling port 5.
The measured value of each matrix point is W1、W2、W3、……WnW is average value of (W)1+W2+W3+……Wn)/n。
In step 5, Q ═ 2 (L average + W average).
An environmental soil sampling device, the sampling method in step 4 is,
sample treatment: passing the soil through a sieve pore of 2-4mm, removing impurities, adding an alkali solution, and standing for microwave treatment for 5-10min under the condition that the power is 450-550W to obtain an alkaline hydrolysis solution; adding the extracting solution to obtain a mixed solution, adding a citric acid solution to adjust the pH value of the mixed solution to 2-4, then performing microwave treatment for 30-60min under the condition that the power is 850-950W, and filtering to obtain a test solution; the alkali solution is a potassium hydroxide solution with the mass concentration of 2-4%, and the extracting solution consists of the following components: 5-10 parts of chitosan oligosaccharide, 0.5-2 parts of potassium chloride, 1-3 parts of citric acid and 20-30 parts of water;
sample detection: the flame atomic absorption method is adopted for measurement, the measurement wavelength is 280-290nm, the pass band width is 0.5-0.6nm, the lamp current is 3-4mA, and the flame is air-acetylene flame.
Compared with the prior art, the invention provides an environmental soil sampling device, which has the following beneficial effects:
1. the environment soil detection device overcomes the defect that common sampling equipment is difficult to sample, and soil samples at different depths can be conveniently sampled by arranging the sampling port on the drill rod, so that the working difficulty is reduced;
2. the drilling rod is through the design body of rod and guide arm to divide into interior outer pole with holistic drilling rod, the guide arm is used for the transmission, and the body of rod is arranged in breaking into soil, and when the body of rod damaged to some extent, also can only change the body of rod can, practiced thrift the cost.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides an environmental soil sampling device, its characterized in that, includes fixed plate (1), support frame (2), sample drilling rod (3) and power device (4), support frame (2) are located fixed plate (1) lower part, fixed plate (1) middle part is equipped with sample drilling rod (3), sample drilling rod (3) tip is equipped with power device (4), and a plurality of sample connection (5) have been seted up at the interval on sample drilling rod (3), sample connection (5) are along sample drilling rod (3) axial distribution.
2. An environmental soil sampling device according to claim 1, characterized in that, the sample drilling rod (3) includes a rod body (31) and a guide rod (32), the guide rod (32) is arranged inside the rod body (31), the rod body (31) and the guide rod (32) are connected through a fixing bolt, the rod body (31) is hollow, and the guide rod (32) is connected with the power device (4).
3. The environmental soil sampling device of claim 2, wherein the power device (4) comprises a clothes motor and a speed reducer, the power output end of the clothes motor is connected with the speed reducer, and the speed reducer is meshed with the guide rod (32) through a gear.
4. An environmental soil sampling device according to claim 3, characterized in that the power device (4) is mounted on a fixed frame (6), the fixed frame (6) is arranged on the fixed plate (1), and a hand grip (61) is arranged on the fixed frame (6).
5. The environmental soil sampling device of claim 2, wherein a plate groove (311) is formed in the inner side wall of the rod body (31), a baffle plate (312) is inserted into the plate groove (311), a rotating gear is arranged at the end part of the baffle plate (312), the rotating gear is connected with a motor, and the motor can drive the baffle plate (312) to reciprocate up and down.
The baffle (312) is provided with a hole corresponding to the sampling port (5).
6. The environmental soil sampling device of claim 5, wherein the sampling port (5) is equally distributed on the rod body (31), the hole of the sampling port (5) faces downwards, and an acute angle is formed between the sampling port (5) and the central axis of the rod body (31), and the angle of the acute angle is 0-60 degrees.
7. The environmental soil sampling device of claim 1, wherein the support frame (2) is connected with the fixing plate (1) through a spring, the support frame (2) is a hydraulic telescopic rod, and a tip part is arranged at the end part of the support frame (2).
8. The method for detecting the lead content in the waste residue soil as claimed in claims 1 to 7, wherein the method comprises the following steps:
1) selecting a soil area sample to be detected;
2) carrying out plane matrix division on a soil area to be detected, wherein the distances between matrix points are the same;
3) performing longitudinal matrix division on the soil area to be detected in the step 2, wherein the distances between matrix points are the same;
4) sampling the soil in the step 2 and the step 3 respectively, and calculating the average value of the lead content of the soil in the step 2 and the step 3;
5) and summarizing the quantity in the step 4 to obtain the lead value of the soil area to be detected.
9. The environmental soil sampling device of claim 8, wherein the distance between each matrix point of the planar matrix partition is 2-4 m; the distance between each matrix point of the longitudinal matrix partition is 20-40cm, and the distance between the longitudinal matrix points is equivalent to the distance between each sampling port (5).
10. The environmental soil sampling device of claim 8, wherein the sampling method in step 4 is,
sample treatment: passing the soil through a sieve pore of 2-4mm, removing impurities, adding an alkali solution, and standing for microwave treatment for 5-10min under the condition that the power is 450-550W to obtain an alkaline hydrolysis solution; adding the extracting solution to obtain a mixed solution, adding a citric acid solution to adjust the pH value of the mixed solution to 2-4, then performing microwave treatment for 30-60min under the condition that the power is 850-950W, and filtering to obtain a test solution; the alkali solution is a potassium hydroxide solution with the mass concentration of 2-4%, and the extracting solution consists of the following components: 5-10 parts of chitosan oligosaccharide, 0.5-2 parts of potassium chloride, 1-3 parts of citric acid and 20-30 parts of water;
sample detection: the flame atomic absorption method is adopted for measurement, the measurement wavelength is 280-290nm, the pass band width is 0.5-0.6nm, the lamp current is 3-4mA, and the flame is air-acetylene flame.
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Cited By (2)
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| CN116698829A (en) * | 2023-08-08 | 2023-09-05 | 华能新能源股份有限公司山西分公司 | Wind-powered electricity generation basis soil freezes degree of depth measuring equipment |
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