Low background earth atmosphere exploration method suitable for uranium resource exploration

A low-background, earth-gas technology, applied in the field of uranium resource exploration, can solve problems such as unclean washing and difficult to eliminate the influence of volume effect, and achieve the effect of eliminating volume effect, good application effect and easy operation

Active Publication Date: 2010-03-24
BEIJING RES INST OF URANIUM GEOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Relevant domestic departments mostly use normal water to rinse the polyester film used as geogas detectors, which has achieved certain results in reducing impurities, but it is still not clean; in the exploration of uranium resources, the fiel

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] A low-background ground gas prospecting method suitable for uranium resource prospecting, comprising the following steps:

[0016] (1) Cut the polyester film to be used as an earth atmosphere detector into a blank of 4cm×4cm indoors.

[0017] (2) In the room, a known ultrasonic cleaner is placed in a purification workbench, and half volume of deionized water is added to the ultrasonic cleaner.

[0018] (3) Soak the polyester film detector in deionized water in an ultrasonic cleaner, and use ultrasonic waves and deionized water to clean it for 90 minutes at normal temperature and pressure.

[0019] (4) After the polyester film detector in deionized water was dried and weighed, it was packaged in a fresh-keeping bag and numbered to make a low-background geogas detector for uranium ore exploration.

[0020] (5) In the uranium resource exploration area, set 20 equidistant survey lines, and take a plurality of points equal to the point spacing and line spacing on each surve...

Embodiment 2

[0025] A low-background ground gas prospecting method suitable for uranium resource prospecting, comprising the following steps:

[0026] (1) Cut the polyester film to be used as an earth gas detector into a blank of 6cm×6cm indoors.

[0027] (2) In the room, a known ultrasonic cleaner is placed in a purification workbench, and two-thirds of the volume of deionized water is added to the ultrasonic cleaner.

[0028] (3) Soak the polyester film detector in deionized water in an ultrasonic cleaner, and use ultrasonic waves and deionized water to clean it for 150 minutes at normal temperature and pressure.

[0029] (4) After the polyester film detector in deionized water was dried and weighed, it was packaged in a fresh-keeping bag and numbered to make a low-background geogas detector for uranium ore exploration.

[0030] (5) In the uranium resource exploration area, set 30 equidistant survey lines, and take a plurality of points equal to the point spacing and line spacing on eac...

Embodiment 3

[0035] A low-background ground gas prospecting method suitable for uranium resource prospecting, comprising the following steps:

[0036] (1) Cut the polyester film to be used as an earth gas detector into a blank of 8cm×8cm indoors.

[0037] (2) In the room, a known ultrasonic cleaner is placed in a purification workbench, and four-fifths of the volume of deionized water is added to the ultrasonic cleaner.

[0038] (3) Soak the polyester film detector in deionized water in an ultrasonic cleaner, and use ultrasonic waves and deionized water to clean it for 180 minutes at normal temperature and pressure.

[0039] (4) After the polyester film detector in deionized water was dried and weighed, it was packaged in a fresh-keeping bag and numbered to make a low-background geogas detector for uranium ore exploration.

[0040] (5) In the uranium resource exploration area, set 40 surveying lines at equal intervals, and take a plurality of points equal to the point spacing and line spa...

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PUM

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Abstract

The invention belongs to the field of uranium resource exploration, in particular discloses a low background earth atmosphere exploration method suitable for uranium resource exploration, which comprises the following steps: soaking polyester film explorers in deionized water in a ultrasonic cleaner, and using ultrasonic waves and the deionized water to clean the polyester film explorers for at least 90 minutes; after drying the polyester film explorers, manufacturing the dried polyester film explorers into earth atmosphere explorers; setting measuring lines at equal intervals, wherein a plurality of points are formed on each measuring line; excavating a deep pit below each measuring point, and putting the explorers which are suspended with thin lines at the bottoms of the pits; embeddingthe earth atmosphere explorers for at least 30 days; when the preset time is due, taking out the earth atmosphere explorer corresponding to each measuring point; after preprocessing the earth atmosphere explorers by ashing and acid dissolution, using a plasma mass spectrometer to measure uranium in samples; and carrying out normalizing the weights of the polyester film earth atmosphere explorers to obtain nano-grade uranium content. The method of the invention obtains nano-grade uranium particle information with a high signal-to-noise ratio caused by concealed uranium mineralization in uraniumresource exploration.

Description

technical field [0001] The invention belongs to the field of uranium resource exploration, and in particular relates to a low-background ground gas exploration method suitable for uranium resource exploration. Background technique [0002] In the exploration of concealed uranium resources, geogas measurement method is an effective method for locating deep uranium ore bodies. The sampling object measured by the earth gas uranium detection method is: the nano-scale uranium particles carried into the soil layer by the earth gas flowing through the ore body. The detector used for the earth gas (uranium) measurement is a polyester film, and the natural Trace amounts of uranium attached to a polyester film. The polyester film purchased from the market has different impurities and dirt content due to different manufacturers. If it is directly used as an earth gas detector, the impurities and dirt it contains will become earth gas detectors. A kind of interference of measurement; ...

Claims

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Application Information

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IPC IPC(8): G01V9/00
Inventor 韩绍阳谈成龙田华柯丹
Owner BEIJING RES INST OF URANIUM GEOLOGY
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