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Tide-type water head control device for physical model of contaminant transportation in groundwater

A technology of physical models and pollutants, applied in measurement devices, instruments, scientific instruments, etc., can solve the problem of inability to generate dynamic boundary conditions, and achieve the effect of easy disassembly and good function expansion

Inactive Publication Date: 2015-07-15
TONGJI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Overcome the shortcomings of traditional indoor physical models that cannot generate dynamic boundary conditions

Method used

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  • Tide-type water head control device for physical model of contaminant transportation in groundwater
  • Tide-type water head control device for physical model of contaminant transportation in groundwater
  • Tide-type water head control device for physical model of contaminant transportation in groundwater

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Experimental program
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Embodiment 1

[0022] Embodiment 1: as Figure 1-Figure 3 As shown, the device includes a transmission device 1 and a gear train assembly 2, wherein: the transmission device 1 includes a housing 1-1, a first gear 1-2, a second gear 1-3, a converter 1-4, and a third gear 1-5, the fourth gear 1-6, the first transmission shaft 1-7, the second transmission shaft 1-8 and the pressure plate 1-9; the gear train assembly 2 includes the casing 2-1, the cam 2-2, and the sliding rod 2-3 and spring 2-4. The shell 1-1 is provided with a hook with adjustable length, so that the device is installed on the outside of the equipment to be used, and the overall height of the simulated sea level is adjusted by adjusting the length of the hook; the first gear 1-2 and the second gear 1 in the transmission device 1 -3. The third gear 1-5 and the fourth gear 1-6 can mesh with each other and have a certain gear ratio. The third gear 1-5 is a driving wheel, and the gear train assembly shell 2-1 passes through the se...

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Abstract

The invention discloses a tide-type water head control device for physical model of contaminant transportation in groundwater. The control device comprises a transmission device and a gear train component. The transmission device comprises a gear set and a converter for switching output functions. The gear train component comprises a shell, a cam, a sliding rod, and a spring, after speed changing by the transmission device, in the gear train component, the shell moves relative to the cam to make the sliding rod move in a tide rule or a sine rule in the vertical direction. By using the provided device, the circulation motion is converted to tide rule or sine rule output by the transmission device and the gear train component, so that the effect of tides can be applied on the groundwater in the water-containing layer, and a good hydrodynamic force is applied for the contaminant in ground water to better participate in the chemical reactions, migration and transformation. Two output modes can be switched therebetween according to the actual needs in stimulation, at the same time the output amplitude can be adjusted by changing the fittings so as to meet the requirements of different models with variable sizes.

Description

technical field [0001] The invention relates to a tidal water head control device used for a physical model of groundwater pollutant migration. Background technique [0002] Coastal areas are often areas where human industrial activities are intensive, and their groundwater pollution is more serious than other inland areas. However, in the process of on-site research, continuous monitoring requires a lot of manpower and material resources, and the cost of scientific research is huge. There is a lack of long-term systematic research, and it is difficult to carry out sustainable management of the water environment system in coastal areas. Aquifers in coastal areas are strongly affected by tides, and this specific regular dynamic boundary is not characteristic of inland aquifers, which will lead to complex groundwater flow movements and the transport of pollutants in them. Coastal areas are areas where brackish and fresh water frequently meet. The mechanism of brackish and fre...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/24G01N33/00
Inventor 刘曙光代朝猛谭博钟桂辉娄厦陶安吴乔枫
Owner TONGJI UNIV
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