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System for dynamically detecting slope runoff sediment concentration and detection method

A technology for slope runoff and sediment content, applied in the direction of measuring devices, instruments, scientific instruments, etc., can solve the problems of long cycle, heavy workload, cumbersome measurement process, etc., achieve dynamic measurement, simplify operation, and improve measurement accuracy Effect

Pending Publication Date: 2017-05-31
INST OF MOUNTAIN HAZARDS & ENVIRONMENT CHINESE ACADEMY OF SCI +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Although this drying and weighing method can collect runoff samples in different time periods to detect and analyze changes in sediment content, it has the disadvantages of cumbersome measurement process, heavy workload, and long cycle time.

Method used

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  • System for dynamically detecting slope runoff sediment concentration and detection method
  • System for dynamically detecting slope runoff sediment concentration and detection method
  • System for dynamically detecting slope runoff sediment concentration and detection method

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Embodiment Construction

[0022] The present invention will be further described below in conjunction with accompanying drawing, protection scope of the present invention is not limited to the following:

[0023] Such as Figure 1~3 As shown, a system for dynamically detecting the sediment content of slope surface runoff includes a load cell 1, an overflow cylinder 2 arranged on the top of the load cell 1, and a cylinder cover 3 installed on the top of the overflow cylinder 2. The cylinder cover 3 is provided with a drainage tube 4 that runs through the cylinder cover 3, the drainage tube 4 is arranged perpendicular to the cylinder cover 3, the drainage tube 4 is connected with a shut-off valve 5, and the side wall of the flow-through cylinder 2 is provided with a conduit 6. One end of the conduit 6 is connected to the annular water pipe 7 located in the flow tube 2, the axis of the drainage pipe 4 coincides with the axis of the annular water pipe 7, and the other end is connected to the water pump 8. ...

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Abstract

The invention discloses a system for dynamically detecting slope runoff sediment concentration. The system comprises a weighing sensor (1), an overflow cylinder (2) arranged at the top of the weighing sensor (1) and a cylinder cover (3) arranged at the top of the overflow cylinder (2), wherein an arc groove (17) is formed at the bottom of the overflow cylinder (2), a screw rod (10) is rotatably installed in the arc groove (17), a shaft neck of the screw rod (10) is connected with a motor (11); an inclined pipe (12) is connected with an electromagnetic valve (13); the system further comprises a computer (16) which is connected with the electromagnetic valve (13), a check valve (5), the weighing sensor (1), a water pump (8), the motor (11), a zero liquid level sensor (15), and a liquid level switch (14). The invention further discloses a detection method. The system disclosed by the invention has the advantages that the slope runoff sediment concentration can be fast, continuously and dynamically measure in real time, the detection period is shortened, the measurement precision is improved, and the operation is simplified.

Description

technical field [0001] The invention relates to the technical field of measuring sediment content in slope runoff, in particular to a system and a detection method for dynamically detecting the sediment content in slope runoff. Background technique [0002] In the field inspection projects of the departments of farmland water conservancy, forest ecology, and environmental protection, the sediment concentration of runoff on the slope is an important parameter for monitoring the soil and water loss on the slope. Due to the limitation of the particularity and complexity of the field environment, the methods of manual runoff collection and manual measurement have been used for the runoff production and sediment production of soil erosion plots at home and abroad. The operation process of this method is cumbersome, time-consuming and labor-intensive. If the representativeness of the sampling is not good, the measurement accuracy will be affected, and it cannot quickly, continuous...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N5/00
CPCG01N5/00
Inventor 李伟刘刚才张丹艾应伟郭仕平李斌蒋豪罗辑陈娇赵广
Owner INST OF MOUNTAIN HAZARDS & ENVIRONMENT CHINESE ACADEMY OF SCI
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