Bed load sediment feeding device for river engineering model test

A river engineering model and mass-moving technology, which is applied to hydraulic models and other fields, can solve problems such as large demand for manual operations and complicated operations, and achieve the effects of high automation, high precision, and strong adaptability

Inactive Publication Date: 2012-07-11
TSINGHUA UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Obviously, the operation of the traditional belt conveyor sanding method is more complicated, a

Method used

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  • Bed load sediment feeding device for river engineering model test
  • Bed load sediment feeding device for river engineering model test
  • Bed load sediment feeding device for river engineering model test

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Experimental program
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Embodiment Construction

[0019] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0020] A kind of river engineering model test that the present invention proposes pushes the quality sand adding device, as figure 1 The shown is mainly composed of a bracket 2, a sand holding container 3, a throttle valve 4, and an automatic sand delivery rate control platform 5; wherein, the sand holding container is welded on the top of the support, and a throttle valve is installed at the bottom outlet of the sand holding container; the sand delivery rate The automatic control platform is installed below the outlet at the bottom of the sand holding container, and the device is installed above the channel 17 of the river engineering model when the device is applied.

[0021] The specific implementation and function of each part of the above-mentioned device are described respectively as follows in conjunction with the accompanying drawings:

[002...

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Abstract

The invention relates to a bed load sediment feeding device for river engineering model test, which belongs to the technical field of testing of river engineering models in water conservation and hydropower engineering. The bed load sediment feeding device for river engineering model test mainly comprises a support, a sediment container, a throttle valve and an automatic control platform for sediment transport rate, wherein the sediment container is mounted at the top of the support and used for containing sediment and allowing the sediment to automatically slip out from a bottom sediment leak under the action of gravity, the throttle valve is mounted at the bottom sediment leak of the sediment container, slip quantity per unit time of the sediment is obtained by controlling openness of the throttle valve, and the automatic control platform for sediment transport rate is located below the sediment container, supported at the bottom of the support and used for automatically controlling the sediment transport rate. The bed load sediment feeding device for river engineering model test has the advantages of high automation level, high precision and high adaptability to complex test conditions, and has significant production, application and promotion values.

Description

technical field [0001] The invention belongs to the technical field of river engineering model tests of water conservancy and hydropower projects, in particular to a mass-moving sand-adding device for river engineering model tests. Background technique [0002] In the construction of a large number of water conservancy and hydropower projects, the mass movement in the river has an important impact, such as channel regulation, sand control at water intakes, and wear and tear of power plant units, etc. are closely related to the movement of mass. For important water conservancy and hydropower projects, river engineering model tests are required, and the movement law of the moving mass and its influence on the project are important research contents. In the river engineering model test, it is necessary to add the sediment transport rate process converted by the similar scale of the model into the model. [0003] The traditional sand-moving device mainly adopts belt conveyor. ...

Claims

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Application Information

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IPC IPC(8): E02B1/02
Inventor 王兴奎陈启刚任海涛陈槐李丹勋
Owner TSINGHUA UNIV
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