Device for rotary quantitative acquisition of deposits on cay substrate
A technology for quantitative collection and sedimentation, applied in sampling devices and other directions, which can solve the problems of inability to effectively evaluate the level of sediment deposition, and difficult to evaluate the composition and source more accurately.
Active Publication Date: 2014-04-09
MARINE FISHERIES RES INST OF ZHEJIANG
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Problems solved by technology
[0005] The purpose of the present invention is to overcome the sediment sampling device on the substrate of the seabed rock reef in the prior art that usually only can collect the sediment of the surface layer, making it difficult to evaluate more accurately the composition and source of the sediment on the seabed rock reef; and cannot The problem of effectively assessing the deposition level of sediments on the seabed rocks; providing a rotary quantitative collection of sediments on the rocky reef matrix, which can randomly complete the sediments on the rocks at a certain part of the seabed Acquisition to efficiently assess sediment deposition levels and provide samples for accurate assessment of sediment composition and origin on reef substrates
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[0022] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:
[0023] Such as figure 1 As shown, a rotary quantitative collection of sediments on the reef matrix device, including a water pump, sediment collection container, support frame, cylindrical collection cover 1 and a jacket 13 set on the collection cover. The lower end of the collection cover body 1 is open and the upper end is closed. A water inlet 2 is also provided on the top or top of the collection cover. A filter is provided at the water inlet. A plurality of notches 15 are provided on the edge of the lower port of the collection cover 1 . The breach forms several cutouts at the lower port of the collection cover. A floating spacer 11 that can slide up and down is provided coaxially inside the collection cover 1 (coaxial with the collection cover). The floating spacer can be moved out from the lower port of the collection cover. The upp...
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The invention discloses a device for rotary quantitative acquisition of deposits on cay substrates, and aims to provide an acquisition device for random full acquisition of the deposits on cay of a certain part at seabed so as to effectively assess deposition levels of the deposits and provide samples for accurate assessment of compositions and sources of the deposits on the cay substrates. The device comprises a support frame, a cylindrical acquisition cover body and a casing sheathing the acquisition cover body, the lower end of the acquisition cover body is open, the upper end of the acquisition cover body is closed, the support frame comprises at least three support stand columns and a top frame, the top of the acquisition cover body is provided with a connecting shaft sleeve, a collecting shaft is arranged in the connecting shaft sleeve, the top frame is provided with a drive motor for driving the connecting shaft to rotate, the casing is connected with the support stand columns through connecting rods, the inner side face of the casing is provided with a ring groove, the acquisition cover body side face opposite to the ring groove is provided with a plurality of through holes, the outer side face of the casing is provided with a suction port communicated with the ring groove, and the top of the acquisition cover body is provided with a water inlet.
Description
technical field [0001] The invention relates to a collection device, in particular to a rotary quantitative collection of sediments on rock reef substrates. Background technique [0002] Due to the influence of human activities, the amount of sediments in nearshore reef areas is increasing, which will seriously affect the composition and biomass of benthic communities living on lithofacies substrates. Therefore, the research on sediments on lithofacies matrix has gradually been paid attention to, especially in qualitative and quantitative research on the composition and source of sediments; however, for a layer of sediments on seabed rocks, quantitative collection and completion Effective assessment of deposition levels is a complex undertaking. For the study of sediments on seabed rock matrix, the sediments are usually sampled by non-quantitative sampling devices, and then the quantity and type of the sampled sediments are evaluated. [0003] Since the current sampling de...
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IPC IPC(8): G01N1/14
Inventor 毕远新王伟定梁君虞宝存
Owner MARINE FISHERIES RES INST OF ZHEJIANG