Water pumping device for pumping farmland leaching water in semi-arid irrigated area in northwest

A technology for pumping devices and irrigation areas, applied in the direction of sampling devices, etc., can solve problems such as large errors, and achieve the effect of fast and efficient water extraction

Active Publication Date: 2017-11-07
INST OF AGRI RESOURCES & ENVIRONMENT NINGXIA ACAD OF AGRI & FORESTRY SCI NINGXIA KEY LAB OF SOIL & PLANT NUTRITION
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Problems solved by technology

[0003] The purpose of the present invention is to solve the disadvantages in the prior art that the samples of low water bodies are affected by the outsi

Method used

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  • Water pumping device for pumping farmland leaching water in semi-arid irrigated area in northwest
  • Water pumping device for pumping farmland leaching water in semi-arid irrigated area in northwest
  • Water pumping device for pumping farmland leaching water in semi-arid irrigated area in northwest

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Embodiment Construction

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.

[0025] refer to Figure 1-4 , a pumping device for extracting farmland leaching water in the semi-arid irrigation area of ​​Northwest China, comprising an extraction pipe 1, the bottom of the extraction pipe 1 is threadedly connected with a drill bit 2, and the threaded connection is convenient for disassembly and cleaning of the drill bit 2, and the top of the extraction pipe 1 is provided There is a fixed plate 3, a bearing 26 is arranged between the fixed plate 3 and the extraction pipe 1, a second handle 20 is arranged on both sides of the fixed plate 3, a bracket 18 is arranged on the top of the fixed plate 3, and a motor 19 is fixed on the bracket 18. The outpu...

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Abstract

The invention relates to the technical field of sampling equipment and particularly relates to a water pumping device for pumping farmland leaching water in a semi-arid irrigated area in the northwest. The water pumping device comprises a pumping pipe, the bottom of the pumping pipe is connected to a drill bit, the top of the pumping pipe is provided with a motor, the drill bit has a hollow structure, the drill bit is uniformly provided with four ground drilling blades, the drill bit between the each two adjacent ground drilling blades is provided with a water pumping hole, a primary filtering screen is arranged in each one of the water pumping holes, a water feeding pipe is connected to each one of the water pumping holes, the water feeding pipes are arranged in the drill bit and pass through the top of the drill bit, a water blocking sheet is arranged in each one of the water feeding pipes, the top of the drill bit is provided with a high efficiency filter screen, the bottom of the pumping pipe is provided with a circular groove, a circular airbag is arranged in the circular groove, the circular airbag is provided with an air charging device and the lower part in the pumping pipe is provided with a piston body. The water pumping device can take water samples at different depths and effectively prevent the influence caused by air ingredients and soil ingredients on the nitrogen content detection.

Description

technical field [0001] The invention relates to the technical field of sampling equipment, in particular to a pumping device for extracting farmland leached water in a semi-arid irrigation area in Northwest China. Background technique [0002] Extraction of farmland leaching water in semi-arid irrigation areas in Northwest China for detection often requires extraction of groundwater for detection. However, the process of extracting groundwater is often greatly affected by external factors. The extracted leached water samples are easily in contact with the air, causing air components to enter the water body samples, resulting in large groundwater detection errors. On the other hand , the depth of the collected water samples is uncertain, and the components contained in the leached water samples at different depths cannot be compared, which is not conducive to the analysis of the leached water components. Contents of the invention [0003] The purpose of the present inventi...

Claims

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Application Information

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IPC IPC(8): G01N1/14
CPCG01N1/14Y02P10/20
Inventor 张学军李云翔罗健航刘晓彤董平王双喜吴涛赵营白建忠冒辛平周丽娜
Owner INST OF AGRI RESOURCES & ENVIRONMENT NINGXIA ACAD OF AGRI & FORESTRY SCI NINGXIA KEY LAB OF SOIL & PLANT NUTRITION
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