CN210136124U - A riffle sampler for selecting separately soil sample - Google Patents
A riffle sampler for selecting separately soil sample Download PDFInfo
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- CN210136124U CN210136124U CN201920566889.8U CN201920566889U CN210136124U CN 210136124 U CN210136124 U CN 210136124U CN 201920566889 U CN201920566889 U CN 201920566889U CN 210136124 U CN210136124 U CN 210136124U
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Abstract
The utility model relates to a soil sample preparation technical field, in particular to device that divides appearance to soil sample. A sample splitter for separating soil samples adopts the technical scheme that a sample splitting device main body is of a circular frame-shaped or square frame-shaped structure, the interior of the sample splitting device is divided into four or even number of symmetrical areas which are larger than four by a grid penetrating through the center of the main body, one half of the areas are sealed, and the areas with sealed bottom surfaces are arranged at intervals. The utility model discloses a to the even separation of soil sample, the property through dividing the appearance device and holding back the powdery sample in dividing the appearance device keeps even, unanimous, and is representative each other, selects separately the result and satisfies national standard, has improved the preparation looks rate of sieve soil sample.
Description
Technical Field
The utility model relates to a soil sample preparation technical field, in particular to device that divides appearance to soil sample.
Background
The soil sample preparation refers to the process of uniformly mixing, drying, grinding and sieving the soil sample after the soil sample is collected from the field. As shown in fig. 1, the conventional soil sample preparation process includes: sampling, removing foreign matters such as bricks, lime concretions, rhizome animal and plant residues and the like mixed in soil, air-drying, coarse grinding, fine grinding, weighing, bottling and the like. At present, according to the relevant requirements of national environmental protection industry standard HJ/T166-doped 2004 soil environmental monitoring technical Specification 'eighth chapter sample preparation', a quartering method is adopted to sort soil samples in the processes of soil sample primary selection, coarse grinding, fine grinding, bottling and the like. According to the traditional soil sample preparation method, quartering is realized manually, a stacking cone quartering method is usually adopted for quartering, soil is stacked into a cone shape, and then a ruler is used for rotating to lay the cone into a cake shape; drawing a cross line by using a ruler; taking soil samples of two fan-shaped parts at opposite angles; the tools needed to be used in the soil sample screening and weighing processes mainly comprise: nylon sieves with different pore diameters, white porcelain mortar, electronic scales and various auxiliary tools. The traditional soil sample preparation process is purely manual operation, and has the problems of large workload, long period, high requirement on personnel quality, low sample preparation efficiency and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: in order to improve the preparation efficiency of the soil sample, a sample splitter for splitting the soil sample is provided.
The technical scheme of the utility model is that: a sample splitter for separating soil samples is characterized in that a sample splitting device main body is of a circular frame-shaped or square frame-shaped structure, the interior of the sample splitting device is divided into four or even number of symmetrical areas larger than four by a grid penetrating through the center of the main body, one half of the areas are closed, and the areas with closed bottom surfaces are arranged at intervals.
When the soil samples are normally distributed and naturally fall along the central line of the sample separation device, half of the soil samples fall through the unsealed area, and the other half of the soil samples are uniformly intercepted into the area with the closed bottom, so that the soil samples are uniformly separated.
The sample separating device is directly arranged in the vibrating screen, and the screening and sample separating functions of the vibrating screen can be realized. Further, the vibrating screen structure includes: the filter screen is embedded into the outer frame; in order to increase the sample screening efficiency, the cross section of the filter screen can be in an inverted cone structure, and grinding balls are arranged in an annular surface between the filter screen and the outer frame; when vibrating, the grinding ball is vibrated for the second time by the elasticity of the filter screen, and the filter screen is bounced when falling and rebounding, so that the vibration effect is strengthened.
The sample separating device is arranged at the inlet of the funnel, and the outlet of the funnel is opposite to the sample container, so that the sample separating and subpackaging functions can be realized simultaneously.
The sample separating device is arranged in the receiving hopper, so that the sample separating and sampling functions can be realized; further, connect the hopper setting on weighing platform, the bottom that connects the hopper is relative with the vibration screen cloth.
Has the advantages that: the utility model discloses a to the even separation of soil sample, the property through dividing the appearance device and holding back the powdery sample in dividing the appearance device keeps even, unanimous, and is representative each other, selects separately the result and satisfies national standard, has improved the preparation looks rate of sieve soil sample.
Drawings
FIG. 1 is a flow chart of a conventional soil sample preparation process described in the background art;
fig. 2 is a schematic structural view of the present invention in embodiment 1;
FIG. 3 is a schematic view of the structure of the vibrating screen according to the present invention in combination with the embodiment 2;
FIG. 4 is a schematic cross-sectional view of a vibratory screen of example 2;
fig. 5 is a schematic structural view of the present invention combined with a funnel in embodiment 3;
fig. 6 is a schematic structural view of the present invention combined with a receiving hopper in embodiment 4; (ii) a
Wherein: 1-sample separation device, 2-moving screen, 21-outer frame, 22-filter screen, 23-grinding ball, 3-funnel and 4-receiving hopper.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings by way of examples.
Example 1: referring to fig. 2, a sample splitter for separating soil samples, a sample splitter 1 has a circular frame-shaped or square frame-shaped main body, the interior of the sample splitter is divided into four or even number of symmetrical regions greater than four by a grating penetrating through the center of the main body, a half of the regions are closed, and the regions with closed bottom surfaces are arranged at intervals. In this example, in order to perform the quartering method of the soil sample, the interior of the sample dividing device 1 is divided into four symmetrical sections.
When the soil samples are normally distributed and naturally fall along the central line of the sample separation device 1, half of the soil samples fall through the unsealed area, and the other half of the soil samples are uniformly intercepted into the area with the closed bottom, so that the soil samples are uniformly separated.
Example 2: referring to fig. 3, on the basis of embodiment 1, the sample separation device 1 is directly arranged in the vibrating screen 2, so that the screening and sample separation functions of the vibrating screen 2 can be realized.
Referring to fig. 4, further, the vibrating screen 2 has a structure including: an outer frame 21 and a filter net 22 fitted into the outer frame 21; in order to increase the sample screening efficiency, the cross section of the filter screen 22 can be in an inverted cone structure, and a grinding ball 23 is arranged in the annular surface between the filter screen 22 and the outer frame 21; during vibration, the grinding balls 23 are vibrated for the second time by the elasticity of the filter screen 22, and when falling and rebounding, the grinding balls bounce against the filter screen 22, so that the vibration effect is strengthened.
Example 3: referring to fig. 5, on the basis of embodiment 1, the sample separating device 1 is arranged at the inlet of the funnel 3, and the outlet of the funnel 3 is opposite to the sample container, so that the functions of separating samples and subpackaging can be realized simultaneously.
Example 4: referring to fig. 6, on the basis of embodiment 1, the sample separation device 1 is arranged in the receiving hopper 4, so that the sample separation and sampling function can be realized; further, the material receiving hopper 4 is arranged on the weighing platform, and the bottom of the material receiving hopper 4 is opposite to the vibrating screen 2.
In summary, the above is merely a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The sample splitter for sorting the soil samples is characterized in that a main body of a sample splitting device (1) is of a circular frame-shaped or square frame-shaped structure, the interior of the sample splitting device is divided into four or even number of symmetrical areas larger than four by a grid penetrating through the center of the sample splitting device (1), one half of the areas are closed, and the areas with closed bottom surfaces are arranged at intervals.
2. The sample splitter for separating soil samples according to claim 1, characterized in that the splitting device (1) is arranged in a vibrating screen (2).
3. The sample splitter for separating soil samples according to claim 2, characterized in that the vibrating screen (2) comprises: an outer frame (21) and a filter screen (22) embedded in the outer frame (21); the cross-section of filter screen (22) is the back taper structure filter screen (22) with be equipped with grinding ball (23) in the annular face between frame (21).
4. The sample splitter for separating soil samples according to claim 1, characterized in that the splitting means (1) is arranged at the inlet of a funnel (3), the outlet of the funnel (3) being opposite to the sample container.
5. The sample splitter for separating soil samples according to claim 1, characterized in that the sample splitting device (1) is arranged in a receiving hopper (4), the receiving hopper (4) being arranged on a weighing table, the bottom of the receiving hopper (4) being opposite the vibrating screen (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920566889.8U CN210136124U (en) | 2019-04-24 | 2019-04-24 | A riffle sampler for selecting separately soil sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920566889.8U CN210136124U (en) | 2019-04-24 | 2019-04-24 | A riffle sampler for selecting separately soil sample |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210136124U true CN210136124U (en) | 2020-03-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201920566889.8U Active CN210136124U (en) | 2019-04-24 | 2019-04-24 | A riffle sampler for selecting separately soil sample |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111855364A (en) * | 2019-04-24 | 2020-10-30 | 北京兰友科技有限公司 | A riffle sampler for selecting separately soil sample |
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2019
- 2019-04-24 CN CN201920566889.8U patent/CN210136124U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111855364A (en) * | 2019-04-24 | 2020-10-30 | 北京兰友科技有限公司 | A riffle sampler for selecting separately soil sample |
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