Device and method for simulating spring vent salinity discharge under evaporation

A technology of evaporation and simulation device, which is applied in the field of groundwater research and can solve the problems of secondary soil salinization, deterioration of groundwater environment, and decline of groundwater level.

Active Publication Date: 2016-08-17
HOHAI UNIV
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Problems solved by technology

However, with the large-scale development of groundwater, the groundwater table has dropped sharply, and a se...

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  • Device and method for simulating spring vent salinity discharge under evaporation

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Embodiment Construction

[0022] The present invention will be further described below in conjunction with accompanying drawing:

[0023] A device for simulating the excretion of salt in a spring mouth under evaporation, comprising a soil sample loading tank (2) at the spring mouth, an infrared radiation lamp (1) is arranged directly above the soil sample loading tank (2) at the spring mouth, and the spring mouth The bottom of the soil sample loading tank (2) is connected to the groundwater fluctuating head simulation device (3) through a diversion pipe, and the side walls of the spring mouth soil sample loading tank (2) are sequentially provided with spring water collection tanks from top to bottom (6), a water level detector, a groundwater salinity and temperature detection device (4); the groundwater fluctuating head simulation device (3) includes a lifting frame (7), a water head generator (8), a water storage tank (9) and a peristaltic Pump (10), the water head generator (8) is placed on the lifti...

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Abstract

The invention provides a device and method for simulating spring vent salinity discharge under evaporation. The device comprises a spring vent soil layer sample loading groove. An infrared radiation lamp is arranged over the spring vent soil layer sample loading groove. The bottom of the spring vent soil layer sample loading groove is connected with an underground water fluctuation water head simulation device. A spring collection groove, a water level detector and an underground water salinity and temperature detection device are sequentially arranged on the side wall of the spring vent soil layer sample loading groove from top to bottom. The underground water fluctuation water head simulation device comprises a lifting frame, a water head generator, a water storage pond and a peristaltic pump. The device can simulate the rule of salinity movement in the process of converting underground water at a spring vent under the effect of evaporation into spring, the salinity concentration, water level and temperature inside an experimental facility are monitored in real time, the intensive evaporation phenomenon of the arid region in the northwest part of China can be simulated, the spring salinity discharge amounts of different stages can be worked out, and the salinity movement rule of underground water at the spring discharge position under different factors can be analyzed in an assisted mode.

Description

technical field [0001] The invention relates to a device for simulating the excretion of salinity at spring mouths under evaporation in a laboratory, which can well simulate the law of salt migration at spring mouths in areas with strong evaporation in the arid area of ​​Northwest China, and can monitor the temperature and salt concentration in the vertical direction in real time , belonging to the technical field of groundwater research. Background technique [0002] The interior of Northwest China is extremely dry, with little rainfall and strong evaporation. Since the development of the western region, due to the increase in economic production and population, the demand for water has continued to increase, and the surface resources are limited, so the demand for groundwater has become stronger and stronger. However, with the large-scale development of groundwater, the groundwater table has dropped sharply, and a series of problems such as secondary salinization of soil ...

Claims

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Application Information

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IPC IPC(8): G01N33/24
CPCG01N33/24
Inventor 郭巧娜周志芳张宇霆
Owner HOHAI UNIV
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