Water body suspended load silt and surface sediment integrated rapid collecting and separating device

Abstract

The invention relates to a water body suspended load silt and surface sediment integrated rapid collecting and separating device which comprises a collector, a separator that is connected and communicated with the top of the collector in a sealing way, an overflow diversion cone that is connected and communicated with the top of the separator in a sealing way, and an overflow pipe connected with an outlet of the overflow diversion cone, wherein the separator is sequentially provided with a first reversed conical cavity and a second reversed conical cavity from bottom to top; the conical degree of the first reversed conical cavity is larger than that of the second reversed conical cavity; and one end of a pressure pipe enters into the separator from the inner wall at the upper part of the second reversed conical cavity of the separator along the circumferential tangential direction. The water body suspended load silt and surface sediment integrated rapid collecting and separating device has low cost, reasonable structure, easy operation and maintenance, long service lift and convenient carrying, and is beneficial to separating water and silt in water body and high-efficiency collection of suspended load silt and surface sediment.

Description

Technical field: [0001] The invention relates to a water body sediment collection and separation device. In particular, it is related to an integrated rapid collection and separation device that can be applied to suspended sediment in water bodies and surface sediments. Background technique: [0002] Sediment in natural rivers can be divided into suspended matter and transported matter. Transitional sediment has a large particle size (such as pebbles) and rolls, slides, jumps, and moves in layers in the river. The suspended sediment has a small particle size and is suspended in the river for a long time. It is the main carrier for the migration and transformation of pollutants. Therefore, the study of water-sand-pollutant interaction is mainly dominated by suspended sediment. In addition, the surface sediment (also known as bed sediment and bottom mud) in contact with suspended sediment is also the main carrier for adsorption, accumulation and release of pollutants. The ...

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Problems solved by technology

[0005] At present, there are three types of commonly used instruments for collecting sediment: dragging type (such as sand dragging tube, etc.), digging type (such as bucket type sampler, etc.) and drilling type (such as piston type sampler, etc.), which are used to collect bed surface or bed Sediment samples at a certain depth below the surface, gravel and coarse and fine sand samples with a particle size of less than 10 mm, but for the bottom mud of the pebble bed, it is quite difficult to collect with this type of instrument

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