Device and method for monitoring underground leaching amount of farmland non-point source pollution
A non-point source pollution and monitoring device technology, applied in the field of farmland non-point source pollution monitoring, can solve problems such as inaccurate monitoring of underground leaching amount, and achieve the effect of improving accuracy
Active Publication Date: 2016-09-28
INST OF AGRI RESOURCES & REGIONAL PLANNING CHINESE ACADEMY OF AGRI SCI
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Problems solved by technology
[0005] The technical problem to be solved by the present invention is: the existing inaccurate monitoring of underground leaching amount of farmland non-point source pollution
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[0034] Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
[0035] figure 1 A schematic structural diagram of an underground leaching amount monitoring device for farmland non-point source pollution according to an embodiment of the present invention is shown. Such as figure 1 As shown, the underground leaching amount monitoring device for farmland non-point source pollution includes:
[0036] The leaching tank 1 and the first hot-melt pipe 2;
[0037] A liquid level sensor 11 is provided in the leaching tank 1 for monitoring the amount of underground leaching water;
[0038] One end of the first hot-melt pipe 2 passes through the top cover of the leaching bucket 1, and the other end is connected to the first interface of the first three-way valve 3;
[0039] The inner diameter of the first heat-melt pipe 2 is larger than the inner diameter of the liquid level sensor 11 .
[0040] The monitoring device for u...
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Abstract
The invention relates to a device and a method for monitoring underground leaching amount of farmland non-point source pollution. The device comprises a leaching barrel and a first hot melting pipe, wherein a liquid level sensor for monitoring underground leaching amount is arranged in the leaching barrel; one end of the first hot melting pipe penetrates through a top cover of the leaching barrel, and the other end of the first hot melting pipe is communicated with the first connector of a first three-way valve; the inner diameter of the first hot melting pipe is larger than that of the liquid-level sensor. The device and the method provided by the invention have the advantage that due to the arrangement of the hot melting pipe of which the inner diameter is larger than that of the liquid-level sensor, and a pipeline used for replacing of the liquid-level sensor, the liquid level sensor can be calibrated or replaced periodically. Therefore, the monitoring of the underground leaching amount of the farmland non-point source pollution is more accurate.
Description
technical field [0001] The invention relates to the technical field of farmland non-point source pollution monitoring, in particular to an underground leaching amount monitoring device and method for farmland non-point source pollution. Background technique [0002] With the rapid development of intensive agriculture in my country, the problem of non-point source pollution caused by unreasonable agricultural production methods has become increasingly prominent, and has become an important cause of nitrate pollution in groundwater in northern my country. For a long time, due to the lack of accurate, feasible and unified information monitoring methods, it has been difficult to accurately grasp the changing characteristics and main controlling factors of farmland non-point source pollution in my country, which has brought great difficulties to the effective prevention and control of farmland non-point source pollution. [0003] Farmland subsurface leaching is the process of lea...
Claims
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IPC IPC(8): G01N33/24
CPCG01N33/24G01N33/245
Inventor 刘申刘宏斌翟丽梅雷秋良王洪媛武淑霞
Owner INST OF AGRI RESOURCES & REGIONAL PLANNING CHINESE ACADEMY OF AGRI SCI