Undisturbed box type sampler for sediment on water surface layers
A surface sediment, non-disturbance technology, applied in the sampling device and other directions, can solve the problems of unfavorable surface sediment collection, small sample size of surface sediment, unclear water-soil interface, etc., so that the sediment sequence remains intact and easy to carry. and maintenance, the effect of clear water and soil interface
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[0020] Such as Figure 1 to Figure 3 As shown, a box-type sampler for surface sediments of a water body includes a mud bucket, a bucket handle, a telescopic frame, a towing rope and a heavy hammer.
[0021] The dredging bucket includes a dredging bucket box and two symmetrical dredging claws. The box of the dredging hopper is a rectangular parallelepiped with an open bottom, which is composed of two dredging hopper panels 12, two dredging hopper side plates 13 (welded as a whole) and an openable cover plate 16, which passes through a hinge 15. Connect with the upper edge of the side panel of the box. Shaft heads 14 are respectively welded on the side plates 13 of the mud hopper box body for fixing the mud claws and rotating the mud claws around the shaft head 14. The lower end of the two sides of the mud hopper box 13 adopts an arc design, which can reduce the gap between the mud hopper box and the claws, so that the collected sediment samples and overlying water samples are co...
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