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Y-type intersection river pollutant transport and mixing simulation experiment device and test method

A technology for simulating experimental devices and test methods, applied in the field of simulation experimental devices for pollutant transfer and mixing in Y-shaped confluence rivers, which can solve the problems of high cost, inability to change the converging angle, lack of pollutant experimental devices, etc., and achieve high-efficiency and precise conductivity rate and temperature, saving test cost, and the effect of accurate test data

Pending Publication Date: 2018-11-06
HOHAI UNIV
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] (1) It can only simulate the hydrodynamic characteristics, lacks the experimental device for simulating the process of pollutant transport and mixing, and cannot effectively simulate the movement and changes of pollutants under the condition of Y-shaped river intersection;
[0008] (2) The intersection angle

Method used

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  • Y-type intersection river pollutant transport and mixing simulation experiment device and test method
  • Y-type intersection river pollutant transport and mixing simulation experiment device and test method
  • Y-type intersection river pollutant transport and mixing simulation experiment device and test method

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Example Embodiment

[0043] Such as Figure 1 to Figure 5 As shown, the Y-shaped confluence river pollutant transport and mixing simulation experiment device includes a storage tank 22, a mainstream water tank 19 and a flat head sewage tank 1. The storage tank 22 is connected to a first connecting pipe and a second connecting pipe through a water pump 10 , The first connecting pipe and the second connecting pipe are connected to the first valve 12 and the energy dissipating device 13 respectively. The two energy dissipating devices 13 are respectively located in the left tributary water tank 14 and the right tributary water tank 15, and the left tributary water tank 14 and One end of the tributary water tank 15 on the right is connected to the main water tank 19 through a rotating shaft 16. A protractor 17 is installed at the rotating shaft 16, and the main water tank 19 is connected to a reservoir 22 through a water outlet 21. The main water tank 19 is provided with several measuring devices 20 Th...

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Abstract

The invention discloses a Y-type intersection river pollutant transport and mixing simulation experiment device and a test method. The device comprises a pollutant tracer discharge device, a water flow circulation device, a flow regulating device and a measuring device. The pollutant tracer discharge device comprises an overflow flat water head drainage tank and a tracer discharge port. The overflow flat water head drainage tank is connected to the tracer discharge port through a hose. The water flow circulation device comprises an intersection angle variable and slope variable Y-shaped watertank and a reservoir. The measuring device measures conductivity of each point of the cross section and calculates the concentration of the tracer sodium chloride so that the transport and mixing variation rule of the pollutants in the Y-shaped river is acquired. The method has the characteristics of flexible change of the intersection angle and slope and provides a novel tool and method for the study of the pollutant transport law.

Description

technical field [0001] The invention relates to a simulation experiment device and a test method for pollutant transport and mixing in a Y-shaped intersecting river, and belongs to the technical field of water environment protection. Background technique [0002] The river network is an important part of the surface water circulation system, and it is also an important channel for the transport of water, pollutants and other substances in the basin. It has the characteristics of openness, randomness and self-similarity. There are a large number of intersecting estuaries in the river network. Due to the drastic change of the river channel, the water flow at the converging estuary is turbulent and mixed violently, forming stagnation area, flow velocity deviation area, separation area, flow velocity acceleration area, mixed layer area, etc. At the same time, it also affects the transport and mixing of pollutants. With the development of the economy, a large amount of pollutant...

Claims

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Application Information

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IPC IPC(8): G01N33/00G01N27/08G01K13/02
CPCG01K13/02G01N27/08G01N33/00Y02A20/20
Inventor 刘晓东李玲琪华祖林褚克坚顾莉杨婷童须能
Owner HOHAI UNIV
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