A device and method for collecting deep water samples in a borehole

A collection device and technology in a borehole, which are applied in the field of deep water sample collection devices in boreholes, can solve the problems of inability to accurately collect water samples at a specified depth, collision damage to the borehole wall, poor working reliability, etc., so as to improve sampling efficiency and improve efficiency. effect, prolong the service life, avoid the effect of reducing the work efficiency
CN113073975BActive Publication Date: 2022-07-12INST OF KARST GEOLOGY CAGS
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
INST OF KARST GEOLOGY CAGS
Publication Date
2022-07-12

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Abstract

The invention relates to a deep water sample collection device and method in a borehole, belongs to the technical field of water sample collection, and solves the problems of low sampling efficiency and poor working reliability of the existing collection device. The collection device includes a mounting frame, a collection assembly, a take-up and pay-out mechanism and a controller. The collection assembly includes a collection cylinder with multiple collection chambers. The collection chamber is provided with a suction port, a sample inlet and a sample outlet, and the sample inlet is provided with an inlet. There is a liquid level sensor on the collection cylinder; the winding roller of the take-up and pay-out mechanism is rotatably arranged on the installation frame, the first end of the pulling wire is wound around the winding roller, and the second end passes through the wire assembly and the collection The component is connected, the driving component is used to drive the winding roller to rotate to realize the take-up and pay-off of the pulling wire, and the wire component is used to make the acquisition component located on the center line of the borehole; the controller is connected to the driving component and the injection switch component for communication . The present invention has the advantages of simple structure and convenient operation, can accurately collect water samples at a specified depth, and has high sampling efficiency.
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Description

technical field

[0001] The invention relates to the field of water sample collection equipment, in particular to a device and method for collecting deep water samples in a borehole. Background technique

[0002] Hydrogeology, a branch of geology, refers to the phenomena of various changes and movements of groundwater in nature. Hydrogeology is the science of studying groundwater. It mainly studies the distribution and formation laws of groundwater, the physical properties and chemical composition of groundwater, and the Resources and their rational use, the adverse effects of groundwater on engineering construction and mining and its prevention and control, etc. With the development of science and the needs of production and construction, hydrogeology is further divided into regional hydrogeology, groundwater dynamics, hydrogeochemistry , water supply hydrogeology, mineral deposit hydrogeology, soil improvement hydrogeology and other branch disciplines.

[0003] In order to...

Claims

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