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Wet soil sampler

A soil sampler and the technology of the sampler, applied in the direction of the sampling device, etc., can solve the problems of detachment of the friction soil sample contacted by the sampler, inability to sample a large number of different soil layers, affecting the accuracy of research work, etc. Simple, easy-to-carry effects

Inactive Publication Date: 2005-05-11
NANKAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] In view of the above situation, in order to solve the current vacancy of wetland soil quantitative and fixed-depth sampling devices, overcome the existing sampler diameter is small, can not take a large number of samples, and the extrusion of different soil layers caused by the traditional sampler deep into and out of the soil , confusion, and insufficient contact friction between the soil sample and the sampler, the soil sample will be detached, unable to maintain the original state, which will affect the accuracy of the research work, and the high cost. A wetland sampler that integrates drilling and soil sampling is designed. The effective sampling part is long, the amount of soil taken is large, and it is durable

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] The wetland soil sampler is shown in Figure 7 and is made of stainless steel. Its main body circular pipe 1 is a circular pipe with an inner diameter of 15cm, a length of 100cm, and a wall thickness of 0.8cm. One end of the main body tube 1, that is, the end B of the sampler, is 4 connected serrations with sharp edges on the edge. The top A of the sampler is welded closed with disc 3 . The disc 3 has a diameter of 20 cm and a thickness of 5 mm. Two rings 4 are welded on the disc 3. The inner diameter of the rings 4 is 3 cm, and the thickness of the material is 5 mm. When using the wetland soil sampler, the rotating rod 5 is inserted into the ring. Rotating bar 5 selects diameter 2.8cm for use, the iron rod of length 100cm. On the side wall of the main body circular tube 1, there are three sampling openings 2 of uniform size from top to bottom that can accommodate the insertion of a 100ml standard ring knife. The sampling opening 2 is a rectangular opening with a leng...

Embodiment 2

[0034] The wetland soil sampler is made of stainless steel. Select a circular tube with an inner diameter of 17 cm, a length of 150 cm, and a wall thickness of 1 cm as the main tube 1 of the wetland soil sampler. The disc 3 has a diameter of 22 cm and a thickness of 10 mm. The ring 4 has a thickness of 7 mm and an inner diameter of 5 cm. On the side wall of the main body, there are four sampling ports 2 of uniform size that can accommodate the insertion of a 100ml standard ring knife from top to bottom. The sampling port 2 is a rectangular opening with a length of 30 cm and a width of 8 cm, and the rotating rod 5 is inserted into the ring. When the lower end B of the sampler enters the soil at a depth of 70cm, stop the rotation. Others are with embodiment 1.

Embodiment 3

[0036] A stainless steel round tube with an inner diameter of 17 cm, a length of 150 cm, and a wall thickness of 0.5 cm was selected as the main round tube 1 of the wetland soil sampler. One end of the main pipe 1, that is, the end B of the sampler, is 6 connected sawtooths. The disc 3 has a diameter of 25cm and a thickness of 20mm. Two rings 4 are welded on it. The ring 4 is made of a material with a thickness of 10mm and its inner diameter is 7cm. When using the wetland soil sampler, the rotating rod 5 is inserted into the ring 4 in. Rotating bar 5 selects diameter 6.5cm for use, the wooden stick of length 120cm. On the side wall of the main body circular tube 1, there are four sampling ports 2 of uniform size that can accommodate the insertion of a 100ml standard ring knife from top to bottom. The sampling port 2 is a rectangular opening with a length of 35 cm and a width of 10 cm. When the lower end B of the sampler enters the soil at a depth of 100 cm, the rotation is s...

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Abstract

A soil sampler for wet land comprises main body of round pipe and sample connections. The sampler is featured as setting sample connections on sidewall of the round pipe in sequence from top to bottom, sealing top end of the sampler, welding two rings on the sealed top and having one end of round pipe perpared in sawtooth form with sharp edges.

Description

technical field [0001] The invention belongs to a soil sampler, in particular to a wetland soil sampler. Background technique [0002] Wetland is an important and rich ecosystem on the earth. It has huge resource potential and environmental regulation function, and is of great value for development and utilization. Wetland research plays an important role in global ecological and environmental research, has been valued by many countries, and has become a new marginal interdisciplinary subject. The research on wetland soil is an indispensable part of wetland research, and its sampling methods and tools directly or indirectly determine the objectivity and accuracy of the research. However, most of the existing soil samplers have the following disadvantages, which are difficult to meet the requirements of soil sampling under wetland conditions: [0003] 1. The diameter is relatively thin, mostly 20-30mm, and the amount of soil taken is small, which cannot meet the requirement...

Claims

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Application Information

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IPC IPC(8): G01N1/08
Inventor 石福臣王绍强李瑞利张蕊
Owner NANKAI UNIV
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