Hydrothermal coupling model experiment device

Abstract

The invention relates to a hydro-thermal coupling model experiment device. A main body part includes a box body and a box cover capable of being opened and closed. A filter plate assembly is arrangedin the box body in a drawable mode, and the filter plate assembly comprises two or more filter plates. The internal part of the box body is divided into three or more areas, which are successively arranged, by the two or more filter plates. Two or more of three or more areas are first areas which are internally provided with water supply pipe groups. The number of heating water supply units is thesame as the number of the first areas, and the heating water supply units are correspondingly connected with water inlets and water outlets of the positions where the first areas are located. Each heating water supply unit includes a water tank and a water pump. According to the hydro-thermal coupling model experiment device, the seepage direction and the seepage speed of a water body in an aquifer can be controlled by connecting with different water inlets and different water outlets so that different flow states can be simulated. A relatively closed water circle is formed in the first areas, different pressures and temperatures of the water body can be set and basically kept stable, and soil bodies in different layers are convenient to settle through the filter plate assembly.

Description

technical field [0001] The invention relates to a hydrothermal coupling model experiment device, which is suitable for shallow geothermal energy research and is applied in the fields of geological engineering, hydrology and water resources engineering, and environmental engineering. Background technique [0002] Shallow ground temperature is closely related to air temperature. Subsurface soil layers have a higher heat capacity and lower diffusion coefficient, and can record the trend of atmospheric temperature changes. Surface temperature and air temperature maintain similar fluctuations, and this fluctuation range gradually decreases with depth, and can reach a depth of 20-30 meters underground. In deeper layers, relative changes in soil temperature can reflect global warming trends over the past few centuries. The ground temperature in the deep part follows the trend of increasing 3°C every 100m. However, within 100 meters near the surface, due to the effect of surface ...

AI Technical Summary

Problems solved by technology

[0003] At present, the research on shallow ground temperature mainly focuses on field data collection, indoor related parameter testing based on soil samples, and numerical simulation. There are some indoor simulation experiments on water-soil coupling and surface water-groundwater interaction, but they are all one-dimensional or Two-dimensional simulation, and the model box is generally small, the influence of the boundary effect is large, and the design of the device is only to meet the simulation research of a certain aspect, and it cannot be multi-functional and multi-variable controllable, and it is impossible to systematically study the shallow ground temperature. related question

Images