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Drawer type pipeline sediment ground sampler and sampling method thereof

A sediment and sampler technology, which is applied to the drawer-type pipeline sediment well sampler and its sampling field, can solve the problems of potential safety hazards and cumbersome sediment sampling, so as to facilitate manual force application, avoid manual downhole sampling, and equipment The effect of great flexibility

Pending Publication Date: 2021-02-26
TIANJIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a drawer-type pipeline sediment uphole sampler for the problems of cumbersome sampling of sediments in downhole pipelines and potential safety hazards in the prior art

Method used

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  • Drawer type pipeline sediment ground sampler and sampling method thereof
  • Drawer type pipeline sediment ground sampler and sampling method thereof
  • Drawer type pipeline sediment ground sampler and sampling method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] A drawer-type pipeline sediment well sampler, comprising a slide rail frame 1 positioned in the horizontal direction, a sediment sampling tank 3 slidably connected to the slide rail frame 1, a sediment sampling tank located at the bottom of the rear end of the slide rail frame 1 storage box 15, a first driving mechanism for driving the sediment sampling tank 3 to slide forward, a second driving mechanism for driving the sediment sampling tank 3 to slide backward, and a first driving mechanism for driving the sediment sampling tank 3 to tilt Three driving mechanisms;

[0040] Wherein: the rear end of the slide rail frame 1 is hinged with the top of the sediment storage tank 15, the sediment sampling tank 3 is open at both ends, the sediment storage tank 15 is open at the top, and the sediment storage tank 15 is open at the top. The top of 15 is fixed with the control frame 5 that is positioned at vertical direction;

[0041] The first drive mechanism includes a first fi...

Embodiment 2

[0051] As a preferred manner, the bottom of the sediment storage tank 15 is fixed with a support rod 16 . The support rod 16 can support the sediment sampling tank 3 to a certain height, so that it is aligned with the sediment in the pipeline.

[0052] As a preferred manner, the support rod 16 is a telescopic rod. Its length can be adjusted according to actual working conditions, and it is suitable for sediment sampling operations in different environments.

[0053] As a preferred manner, the rear portion of the sediment storage tank 15 is provided with an auxiliary support rod 14 hinged thereto. When in use, the auxiliary support rod 14 is adjusted to form a certain angle with the sediment storage tank 15, so that the device is stably supported at the bottom of the inspection well. In the non-working state, the auxiliary support rod 14 is attached to the control frame 5 .

[0054] As a preferred manner, the auxiliary support rod 14 is a telescopic rod. Its length can be a...

Embodiment 3

[0057] As a preferred mode, slide rails 2 are fixed on the inside of the two side walls of the slide rail frame 1, and slide bars are fixed on the outside of the two side walls of the sediment sampling tank 3, and the slide bars are connected to the The slide rail 2 is slidingly connected. The slide rail is a dovetail groove guide rail, and the structure of the slide bar is matched with the dovetail groove guide rail, and the slide rail is for the sediment sampling tank 3 to slide to play a guiding role.

[0058] As a preferred manner, the slide rail frame is a bar-shaped tank structure with a right-angled "U" shape in cross section, and the sediment sampling tank 3 is a bar-shaped tank structure with a right-angled "U" shape in cross-section. The width of the sediment sampling groove 3 is slightly smaller than the width of the slide rail frame 1 .

[0059] As a preferred manner, the bottom surface of the sediment sampling tank 3 is an arc surface structure. The bottom surfa...

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Abstract

The invention discloses a drawer type pipeline sediment ground sampler and a sampling method thereof. The ground sampler comprises a sliding rail frame located in the horizontal direction, a sedimentsampling tank connected with the sliding rail frame in a sliding mode, a sediment storage box located at the bottom of the rear end of the sliding rail frame, a first driving mechanism for driving thesediment sampling tank to slide forwards, a second driving mechanism used for driving the sediment sampling tank to slide backwards, and a third driving mechanism used for driving the sediment sampling tank to incline. When the sampler is used, people do not need to enter a well, sampling can be completed on the ground, and convenience and quickness are achieved.

Description

technical field [0001] The invention relates to the technical field of water environment restoration, in particular to a drawer-type pipeline sediment well sampler and a sampling method thereof. Background technique [0002] The accumulation of sediment in the drainage pipeline will not only reduce the delivery space of the pipeline, but also increase the water flow resistance, which will lead to the decline of the drainage capacity of the pipeline, resulting in the overload of the drainage system and the premature arrival of the confluence overflow. Studies have shown that sediment in drainage pipes is one of the main factors causing hydraulic and environmental problems. Whether in the drainage pipe or in the sedimentary bed, there is a large amount of organic matter and sulfide, which undergo a series of biochemical reactions under the action of anaerobic microorganisms, decompose and produce toxic hydrogen sulfide gas, which is oxidized to form sulfuric acid to corrode th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/04G01N1/10
CPCG01N1/04G01N1/10
Inventor 孙井梅李学武黄建军李檬
Owner TIANJIN UNIV
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