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A layered monitoring device suitable for underground aquifers and its application method
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An underground aquifer and monitoring device technology, applied in groundwater detection/exploration, measuring device, lubrication indicating device, etc., can solve the problems of high formation requirements, slurry leakage, slurry running, etc., to achieve strong adaptability, avoid slurry running, Install simple effects
Active Publication Date: 2022-06-03
CHONGQING JIAOTONG UNIVERSITY
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Abstract
Description
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Problems solved by technology
At present, the method of laying electrodes in the borehole is to put the detection wire into the hole, and then grout the borehole. There are two main problems in this layout method: the position of the borehole has high requirements on the stratum, and the grouting treatment is only suitable for Non-water-bearing formations; when encountering faults or fissures, slurry running and leakage will occur
[0004] In view of the current technical deficiencies in layered monitoring technology in groundwater monitoring, and the problems of resistivity tomography scanning technology in electrode layout, it is urgent to develop a layered monitoring device and method of use for underground aquifers.
Method used
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Embodiment 1
[0042] Referring to Figure 1, 2 or 4, the cable guide is made up of M cable pipe fittings 2 in series, and the cable guide is vertically inserted into the borehole
[0043] The water injection conduit is made up of S water injection pipe fittings 1 in series, and S>M. The length of the water injection fitting 1 and the cable fitting 2
[0052] Each of the cable pipe fittings 2 is provided with a sensor 12, and the sensor 12 is located outside the layered water separator 3. said
Embodiment 2
[0054] This embodiment discloses a method of using the layered monitoring device suitable for underground aquifers described in Embodiment 1.
[0058] 4) A layered water separator 3 is sleeved on each of the cable pipes 2. wherein each of the layered water traps 3 inside
[0061] 7) The delamination monitoring device is sunk to the bottom of the borehole 5 by the self-weight of the pipe bottom weight 6.
[0062] 8) Connect the pressure gauge 7, the throttle valve 8 and the water pump 9 in turn on the water injection pipe fitting 1 where the water injection conduit is exposed to the ground.
[0063] 9) Start the water pump 9, and inject water to each layered water trap 3 through the drainage channel 10. See Figure 1 or 2, water injection
Embodiment 3
[0067] Referring to Figure 1, 2 or 4, the cable guide is formed by M cable pipe fittings 2 in series, and the cable guide is inserted vertically into the borehole
[0068] The water injection conduit is made up of S water injection pipe fittings 1 in series, and S>M. The length of the water injection fitting 1 and the cable fitting 2
[0070] Each of the cable pipe fittings 2 is provided with a strip-shaped drain I, and the water injection pipe fitting 1 inside each cable pipe fitting 2 is provided with
[0072] Each of the cable pipe fittings 2 is provided with a sensor 12, and the sensor 12 is located outside the layered water separator 3. said
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Abstract
The invention discloses a layered monitoring device suitable for underground aquifers and a use method thereof. A layered monitoring device suitable for underground aquifers comprises a water injection conduit, a cable conduit, a layered water separator and conductive foam . The cable conduit is inserted into the borehole, the water injection conduit is inserted into the cable conduit, and the pipe section where the water injection conduit extends out of the borehole is connected with a pressure gauge, a throttle valve and a water pump. The cable conduit sleeve is equipped with a layered water separator. The layered water separator includes an upper canopy, a lower canopy and a membrane. The membrane and the water injection conduit are connected through a drainage channel. The outer wall of the membrane is provided with conductive foam. A sensor is arranged on the conduit, and the sensor is located outside the stratified water separator. Start the water pump to inject water into the layered water separator, the upper canopy, the lower canopy and the film are opened, the conductive foam on the film is in contact with the inner wall of the borehole, and the sensor monitors a large number of hydrological data such as the water level, ion concentration, and salinity of the groundwater. geological information.
Description
A layered monitoring device suitable for underground aquifers and using method technical field The present invention relates to the technical field of underground aquifer monitoring, be specifically related to a kind of layered monitoring suitable for underground aquifers. device and method of use. Background technique As the most effective means of groundwater monitoring, monitoring wells play an important role in obtaining groundwater hydrogeological information. Due to the complexity of underground heterogeneous aquifers, the existing groundwater monitoring equipment has low integration ability and it is difficult to Realize one-hole multi-layer groundwater monitoring. [0003] In addition, monitoring wells also play an important role in resistivity tomography (ERT). by drilling The resistivity tomography scanning technology in which the electrodes are arranged in the well is an important geophysical exploration method. The advantages of high speed, fast respon...
Claims
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Application Information
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