Sandy riverbed sediment pore water collecting device and manufacturing method thereof

A technology for collecting devices and sediments, which is applied to measuring devices, sampling devices, sampling, etc., can solve the problems of large external disturbance, low success rate, high cost, etc., and achieves strong operability, stable material structure, and improved sampling accuracy. Effect

Pending Publication Date: 2020-12-04
NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The present invention provides a sandy riverbed sediment pore water collection device and a manufacturing method thereof in order to solve the problems of low success rate of river bed sediment pore water collection, large external disturbance and high cost.

Method used

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  • Sandy riverbed sediment pore water collecting device and manufacturing method thereof
  • Sandy riverbed sediment pore water collecting device and manufacturing method thereof
  • Sandy riverbed sediment pore water collecting device and manufacturing method thereof

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specific Embodiment approach 1

[0033] Specific implementation mode one: combine Figure 1 to Figure 6 Describe this embodiment, this embodiment includes solid force bearing steel ball 1, upper steel pipe 2, middle steel pipe 3, lower steel pipe 4, water inlet section 5, bottom steel pipe 6 and conical drill bit 7, upper steel pipe 2, middle steel pipe 3, lower The steel pipe 4, the water inlet section 5, and the bottom steel pipe 6 are arranged sequentially from top to bottom. The solid stressed steel ball 1 is arranged on the top of the upper steel pipe 2. The conical drill 7 is arranged on the lower end of the bottom steel pipe 6. On the pipe wall of the upper steel pipe 2 Two sampling holes 2-1 are arranged symmetrically with respect to the axis. The diameter of the sampling hole 2-1 is 2.5cm. The inner diameters of the upper steel pipe 2, the middle steel pipe 3 and the lower steel pipe 4 should all be greater than 2.5cm, and 2.5cm can be used for water sample collection. The pump head reaches the water...

specific Embodiment approach 2

[0037] Specific implementation mode two: combination Figure 1 to Figure 6 Describe this implementation mode, this implementation mode is realized through the following steps:

[0038] Step 1. Preparation of device materials:

[0039] (1) Preparation of solid stressed steel ball 1: select a stainless steel ball with a diameter of 8 cm as the solid stressed steel ball 1;

[0040](2) Prepare the upper steel pipe 2: select a stainless steel pipe with a length of 100 cm and an outer diameter of 5 cm as the upper steel pipe 2, set an internal thread at the inner diameter of the lower end of the upper steel pipe 2, and weld a hexagonal sleeve 8 at the outer diameter. There are two sampling holes 2-1 symmetrical to the axis on the pipe wall, the diameter of which is 2.5cm, and the pump head of the water supply sample collection pump and the sampling pipe are inserted into the water surface of the steel pipe;

[0041] (3) Prepare the middle steel pipe 3: select a stainless steel pip...

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Abstract

The invention discloses a sandy riverbed sediment pore water collection device and a manufacturing method thereof, and aims to solve the problems of low success rate of riverbed sediment pore water collection, large external disturbance and high cost at present. According to the device, an upper steel pipe, a middle steel pipe, a lower steel pipe, a water inlet section and a bottom steel pipe aresequentially arranged from top to bottom, a solid stress steel ball is arranged at the top end of the upper steel pipe, a conical drill bit is arranged at the lower end of the bottom steel pipe, and two sampling holes are symmetrically formed in the pipe wall of the upper steel pipe relative to the axis; and a plurality of outer steel pipe water inlet holes are formed in the pipe wall of the outersteel pipe of the water inlet section, a plurality of inner steel pipe water inlet holes are formed in the pipe wall of the inner steel pipe, an outer steel pipe filter screen is arranged on the inner wall of the outer steel pipe, an inner steel pipe filter screen is arranged on the outer wall of the inner steel pipe, and a cavity between the inner steel pipe and the outer steel pipe is filled with quartz sand. The method comprises the following steps: 1, preparing device materials; 2, assembling; and 3, carrying out laser marking of scales. The device is used for collecting the sandy riverbed sediment pore water.

Description

technical field [0001] The invention belongs to the technical field of hydrogeology, and in particular relates to a sandy riverbed sediment pore water collection device and a manufacturing method thereof. Background technique [0002] Sediment is the key zone for the interaction between surface water and groundwater in rivers. Exploring the isotopic composition and water quality changes of sediment pore water is a key step to clarify the conversion relationship between surface water and groundwater and the process of water purification during river water infiltration. Scientific and applicable investigation devices and methods are the basis for the study of geochemical processes in the critical zone of riverbed sediments, and it is also the key link to promote the improvement of the modern hydrogeological monitoring system. [0003] At present, the collection methods of river bed sediment pore water are quite limited, mainly including sampling by reverse circulation drilling...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/14G01N1/10G01B5/18G01N1/08
CPCG01B5/18G01N1/08G01N1/10G01N1/14G01N2001/1031G01N2001/1418
Inventor 崔庚刘言张洺也佟守正宋铁军安雨齐清朱光磊张冬杰
Owner NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S
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