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Bottom mud sampling device and method

A technology of sampling device and sediment, applied in the direction of sampling device, etc., can solve the problem of lack of sediment retention

Active Publication Date: 2020-11-10
中科检测技术服务(重庆)有限公司 +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Most of the samplers at the present stage use grab-type or straight-tube samplers for sampling. The grab-type can quickly achieve a large number of samples. Defects, the straight cylinder sediment sampler can meet the requirements of maintaining stratification, but the problem of bottom blockage and top exhaust will lead to a lack of final sediment retention

Method used

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  • Bottom mud sampling device and method
  • Bottom mud sampling device and method

Examples

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Embodiment 2

[0050] A bottom mud sampling method, is characterized in that, comprises the following steps

[0051] S1: Separate the storage cylinder, the bottom ring and the top cover, and ensure that they are all on the coaxial vertical axis;

[0052] S2: Insert the overall sampling device into the sediment under the action of the lifting mechanism, and ensure that the storage tank is completely submerged;

[0053] S3: The height adjustment mechanism drives the bottom ring, the storage cylinder and the top cover to realize closure;

[0054] S4: The opening and closing device closes the baffle in the bottom ring to complete the overall seal between the bottom ring, the storage cylinder and the top cover;

[0055] S5: The height adjustment mechanism and the lifting mechanism cooperate to lift the three out of the liquid surface synchronously.

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Abstract

The invention relates to a bottom mud sampling device and method, the bottom mud sampling device comprises a horizontal mounting frame, the horizontal mounting frame is hollow, the horizontal mountingframe is connected with a ship body through a lifting device, and the horizontal mounting frame is respectively provided with a bottom ring, a storage cylinder and a top cover downwards through a height adjusting mechanism; the bottom ring, the storage cylinder and the top cover are coaxially arranged from bottom to top, the inner diameters of the bottom ring, the storage cylinder and the top cover are consistent, and an opening and closing device is arranged in the bottom ring. The device has the advantages of being stable in sampling, sufficient in bottom mud retention amount and easy and convenient to operate.

Description

technical field [0001] The invention relates to the technical field of bottom mud sampling, in particular to a bottom mud sampling device and method. Background technique [0002] Sediment sampling refers to the sediment samples that need to be collected in order to study the accumulation, distribution, transformation and migration of pollutants discharged into the water body in the sediment. The sampler is placed into the sediment in the water area by gravity or external force. Inside, the sampler finishes sampling the sediment. [0003] Most of the samplers at the present stage use grab-type or straight-tube samplers for sampling. The grab-type can quickly achieve a large number of samples. Defects, the straight cylinder sediment sampler can meet the requirements of maintaining stratification, but the problem of bottom blockage and top exhaust will lead to a lack of final sediment retention. Contents of the invention [0004] In view of the deficiencies of the above-me...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/08
CPCG01N1/08
Inventor 唐毅周晓庆邵峙玮刁倩杜杰梅颜廖丹丹
Owner 中科检测技术服务(重庆)有限公司
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