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Sampling device of sediment concentration for vertical measuring points

A sampling equipment and sediment concentration technology, applied in the vertical measuring point sampling equipment, vertical multi-measuring point sediment sampling equipment field, can solve problems such as inaccurate test results, achieve accuracy and timeliness, Easy to operate, precise and perfect to promote the effect

Inactive Publication Date: 2015-11-25
超飞凡科技(天津)有限公司
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  • Abstract
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Problems solved by technology

However, the existing sampling devices and sampling methods cannot meet the above requirements, resulting in inaccurate test results.

Method used

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  • Sampling device of sediment concentration for vertical measuring points
  • Sampling device of sediment concentration for vertical measuring points

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Embodiment Construction

[0010] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0011] Such as figure 1 with figure 2 As shown, the vertical measuring point sand concentration sampling device of the present invention includes a plurality of sampling pipes 1, and the sampling pipes 1 are all stainless steel pipes with an inner diameter of 4mm. On the cross-section that needs to be sampled in the test tank 8, select a vertical line, and a plurality of sand concentration sampling measuring points of different depths can be set on each vertical line. The specific number of sampling measuring points is determined according to the specific water depth. Two The depth difference between the measuring points is 1cm-2cm, and there are up to dozens of measuring points, and each measuring point is connected to an independent sampling pipe 1 . In this way, a plurality of sampling tubes 1 are arranged in a row along the direction of water f...

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Abstract

The invention relates to a sampling device of sediment concentration for vertical measuring points. The sampling device comprises a plurality of sampling tubes, wherein the water inlets of the sampling tubes are arranged in different heights on the same vertical line; the upper ends of the sampling tubes are fixed on a fixing device; the upper end outlet of each sampling tube is connected with an independent conduit; a valve is arranged at the part, extending out of a testing water tank, of each conduit; a bidirectional air pressure valve is connected onto the side wall of the conduit at the upper part of each valve; an independent on-line tester of sediment concentration is connected with the tail end of each conduit; a longitudinal adjusting bolt and a transversal adjusting lead screw are arranged on the fixing device. The sampling device can greatly improve accuracy and efficiency of sediment concentration sampling of multiple vertical measuring points on the same section in a model test, greatly promotes accuracy and integrity of testing data, and is of great significance.

Description

Technical field: [0001] The invention relates to a device for sampling vertical measuring points in a muddy water tank test, in particular to a vertical multi-measuring point sediment content sampling device, the IPC International Patent Classification No. E02B1 / 02, which belongs to the field of water conservancy. Background technique: [0002] Suspended sediment in natural rivers is non-uniform sand, and the adjustment of sediment content and grain distribution vertical distribution is the direct cause of river bed erosion and siltation. Therefore, the sediment concentration and the vertical distribution of particle distribution are the key points in the study of suspended sediment transport. In order to study the interaction between the sediment concentration, the vertical distribution of grain distribution and the erosion and siltation of the riverbed, it is necessary to carry out fine flume tests. The sample of the measuring point, and these large quantities of samples ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/10E02B1/02
Inventor 傅酉付玉生
Owner 超飞凡科技(天津)有限公司
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