Portable underground water fixed-depth sampling device suitable for desert areas

A sampling device and portable technology, applied in the field of portable groundwater depth-fixing sampling devices, can solve the problems of affecting analysis results, inability to perform stratified sampling, different physical and chemical properties, and different causes.

Pending Publication Date: 2021-03-19
GEOLOGICAL & NATURAL DISASTER PREVENTION & CONTROL INST GANSU ACADEMY OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, in order to study groundwater, it is necessary to use a sampling device to sample the groundwater at a fixed depth. However, the existing sampling device still has certain shortcomings. When the sampling cylinder contacts the groun

Method used

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  • Portable underground water fixed-depth sampling device suitable for desert areas
  • Portable underground water fixed-depth sampling device suitable for desert areas
  • Portable underground water fixed-depth sampling device suitable for desert areas

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] refer to Figure 1-3 , a portable groundwater depth-determining sampling device suitable for desert areas, comprising a base 1, the top outer wall of the base 1 is provided with a fixed frame 3, and the fixed frame 3 is rotatably provided with a rotating tube 24, and the outer wall of the rotating tube 24 is wound with a Hose 5, one end of the hose 5 is connected with the rotating tube 24, the other end of the hose 5 is provided with a sampling mechanism, the outer wall of one side of the rotating tube 24 is provided with an adjustment wheel 25, and the outer wall of the rotating tube 24 is provided with an air pump 4. The pumping cylinder 4 and the rotating tube 24 are connected through the connecting tube 27, the outer wall of the connecting tube 27 is provided with a control valve 28, the fixed frame 3 is provided with a limiting mechanism, and the base 1 is provided with a supporting mechanism.

[0029] The sampling mechanism comprises a sampling cylinder 10, a slid...

Embodiment 2

[0036] refer to Figure 4 , a portable groundwater depth-determining sampling device suitable for desert areas. Compared with Embodiment 1, this embodiment also includes limiting openings at the four corners of the top outer wall of the base 1, and the inner walls of the limiting openings are plugged into Ground stake 32 is arranged.

[0037] The outer wall of the ground pile 32 is provided with multiple rows of barbs 33 distributed equidistantly.

[0038] Working principle: when in use, the ground stake 32 can be inserted into the ground, and the barb 33 on the ground stake 32 can increase the grip force of the ground stake 32, making the device more stable during use.

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Abstract

The invention discloses a portable underground water fixed-depth sampling device. The device comprises a base; a fixing frame is arranged on the outer wall of the top of the base; a rotating pipe is rotatably arranged on the fixing frame; a hose is connected to the outer wall of the rotating pipe in a wound mode; one end of the hose is communicated with the rotating pipe; a sampling mechanism is arranged at the other end of the hose; an adjusting wheel is arranged on the outer wall of one side of the rotating pipe; an air suction cylinder is arranged on the outer wall of the rotating pipe; theair suction cylinder is communicated with the rotating pipe through a communicating pipe; a control valve is arranged on the outer wall of the communicating pipe; a limiting mechanism is arranged onthe fixing frame; a supporting mechanism is arranged on the base; the sampling mechanism comprises a sampling barrel, a sliding rod, a piston plate, a collecting barrel and a rubber pad; and a mounting opening is formed in the outer wall of the top of the sampling barrel. In the process of moving the sampling barrel up and down, underground water of other depths is effectively prevented from immersing into the sampling barrel, so that fixed-depth sampling is effectively achieved, and a sampling effect is better.

Description

technical field [0001] The invention relates to the technical field of groundwater sampling, in particular to a portable groundwater depth-fixed sampling device suitable for desert areas. Background technique [0002] Groundwater refers to various forms of gravity water buried below the surface of the earth. As an important water body on the earth, groundwater has a close relationship with human society. The storage of groundwater is like forming a huge reservoir underground. With its stable water supply conditions, good It has become an important water source for agricultural irrigation, industrial and mining enterprises, and urban domestic water, and an essential water resource for human society. In recent decades, with the development of industry and agriculture, surface water resources have been difficult to meet in terms of quality and quantity. Social production needs, especially in arid areas, the development and utilization of groundwater resources are becoming more ...

Claims

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Application Information

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IPC IPC(8): G01N1/14
CPCG01N1/14
Inventor 王雄师冯乐涛张连科
Owner GEOLOGICAL & NATURAL DISASTER PREVENTION & CONTROL INST GANSU ACADEMY OF SCI
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