Rotary type solid-liquid surface sediment sampling device and use method thereof

Abstract

The invention belongs to a brine solid-liquid two-phase fidelity sampling device. The device comprises a rotating rod, wherein a rotating rod handle is arranged at the upper end of the rotating rod; an outer connecting tube is arranged on the periphery of the lower part of the rotating rod; the lower end of the rotating rod is connected with a rotary connecting shaft; a handle is arranged at the upper end of the outer connecting tube; an outer barrel is arranged at the lower end of the outer connecting tube; an end cover is arranged at the upper part of the outer barrel; a liquid sampler is arranged below the end cover; a solid sampler is arranged below the liquid sampler; a bottom plate is arranged below the solid sampler. The device can accurately perform undisturbed fidelity collection on a solid sample and a liquid sample at a solid-liquid interface in a salt pond, and reliable basis is provided for research of sample data analysis of the salt pond.

Description

technical field [0001] The invention belongs to the field of static sediment collection devices for water bodies, and in particular relates to a rotary solid-liquid surface sediment sampling device that can be operated by a single person, accurately collects and does not destroy the integrity of samples, and a method of using the same. Background technique [0002] Sediment composition analysis of water bodies can not only have good detection and guiding significance for industrial production of salt ponds, but also have good indications for the weathering and denudation of rocks and soils in water sources such as rivers and reservoirs, as well as environmental pollution around water bodies. For the analysis of the sediment composition of the water body, the static sediment collection of the water body must first be completed. [0003] At present, the methods of collecting static sediments in water bodies are mainly grab-type samplers and gravity sinking samplers. Especiall...

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Problems solved by technology

[0004] (1) These two sampling devices are placed with ropes, which are not easy to operate and locate;

[0005] (2) These two sampling devices are relatively heavy and must be operated by multiple people or mechanically lifted;

[0006] (3) After the grab sampler collects the sediment, it is washed by the water flow during the lifting operation, the sample loss is disturbed, and it is easy to be polluted, resulting in the distortion of the collected sample data;

[0007] (4) The cumbersome gravity sinking sampler cannot operate at all for the sediment collection in the shoal here in the salt field

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