Water level monitoring device and water level monitoring method

A water level monitoring device and water level monitoring technology are applied in the direction of displaying a liquid level indicator through pressure measurement, which can solve the problems of complex water layer composition, large error, and threat to the safety of measurement personnel.

Active Publication Date: 2012-06-06
ENN SCI & TECH DEV
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Problems solved by technology

This method poses a threat to the safety of surveyors, wastes wires, and the error between the measured water level and the actual water level is relatively large, and it cannot be operated at high temperatures
[0004] In addition, known methods of measuring water level using pressure transducers placed in the water do not take into account the inhomogeneity of groundwater

Method used

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  • Water level monitoring device and water level monitoring method
  • Water level monitoring device and water level monitoring method
  • Water level monitoring device and water level monitoring method

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Embodiment Construction

[0042] The specific implementation manners of the present invention are described below only by way of example. The drawings only illustrate the basic idea of ​​the invention in a schematic way and are not intended to limit the invention.

[0043] figure 1 It is a system installation diagram of a water level monitoring device according to an embodiment of the present invention. Such as figure 1 As shown, the water level monitoring device includes three pressure sensors 1 , which are respectively connected to one end of a wire 2 at fixed intervals and are electrically connected to the wire 2 to transmit pressure signals through the wire 2 . The water level monitoring device also includes a water level gauge 3 connected to one end of the wire 2 for receiving pressure signals from each pressure sensor 1 and converting the pressure signals into water level signals for output.

[0044] Such as figure 1 As shown, in use, three sensors 1 are respectively placed at different depth...

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Abstract

The invention discloses a water level monitoring method used for monitoring a water level of an underground well. The water level monitoring method comprises the following steps: sequentially placing three pressure sensors on different depths of a liquid medium in the underground well at fixed intervals so as to measure the pressures of different depths of the liquid medium; and calculating the depth of each pressure sensor according to the pressure value measured by each pressure sensor, and calculating the water level in the underground well according to the depth of each pressure sensor. The invention also discloses a water level monitoring device used for monitoring the water level of the underground well.

Description

technical field [0001] The invention relates to a water level monitoring device and a water level monitoring method thereof, in particular to a water level monitoring device and a water level monitoring method used in underground coal gasification industry. Background technique [0002] Underground coal gasification is a process in which underground coal is directly burned in a controlled manner to produce combustible gas. Since underground coal gasification is carried out in an open underground hydrological environment, during the process of underground coal gasification, it is necessary to keep abreast of the situation of groundwater around the gasification area, especially the change of groundwater level, in order to understand from one side The progress of gasification. For example, the drop of water level around the gasification area may mean that the gasification area is flooded; in addition, in the process of underground coal gasification, it is necessary to set up p...

Claims

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Application Information

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IPC IPC(8): G01F23/14
Inventor 杨兰和陈峰李庆堂刘江涛
Owner ENN SCI & TECH DEV
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