Method for extracting tailings sand samples from tailings reservoir area
A technology for tailings sand and tailings, which is applied in the field of extracting tailings sand samples from tailings reservoir areas, can solve the problems of high labor intensity, difficulty in discharging sand samples, long distances, etc., and achieves simple and convenient operation and labor intensity. Small, low labor cost effect
Active Publication Date: 2022-02-01
GUIZHOU INST OF TECH
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Problems solved by technology
[0004] In order to overcome the shortcomings of non-representative fixed-point sampling samples, multi-point sampling must be adopted
At present, sand samples are generally collected point by point manually, which is not only labor-intensive and inefficient, but also takes a long time to walk from one sampling point to the next (the distance between each sampling point is relatively long). The collected sand samples are difficult to truly reflect the sand discharge conditions in a certain period of time, which directly affects the subsequent test results
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Embodiment Construction
[0016] In order to make a clear description of the method of the present invention, it is necessary to first introduce the layout of the tailings reservoir area in conjunction with the accompanying drawings.
[0017] Such as figure 1 As shown: the tailings mortar is transported to each area of the tailings reservoir area 6 through several sand discharge branch pipes 2 connected in parallel with the tailings conveying main pipe 1 in sequence. In order to facilitate control, a main valve 5 is installed at the far end of the tailings conveying main pipe 1, and a sand discharge valve 3 is installed on each sand discharge branch pipe 2.
[0018] The inventive method operating steps are as follows:
[0019] 1) Select a sand discharge branch pipe in the middle position as a sampling pipe from several sand discharge branch pipes 2 connected in parallel with the tailings sand conveying main pipe 1, and pass the sampling tank 4 through a plastic pipe (not shown in the figure) and Th...
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The invention discloses a method for extracting a tailings sand sample from a tailings reservoir area, and an ore sand sampling method; it aims to provide a sampling method with low labor intensity and high efficiency, and can accurately and comprehensively reflect the sand discharge status of a certain period of time . The method is: select the sand discharge branch pipe in the middle position as the sampling pipe, connect the sampling tank with the sampling pipe; open all the sand discharge valves, so that the tailings mortar flows into the tailings reservoir area while flowing into the sampling tank; and then Close the sand discharge valves of all the sand discharge branch pipes arranged after the sampling pipe, so that the tailings mortar flows into the tailings reservoir area while flowing into the sampling tank; close the sand discharge valves of all the sand discharge branch pipes arranged before the sampling pipe, When the tailings mortar flows into the sampling tank, it also flows into the tailings reservoir area; repeat the above operation at least three times. The method of the invention has the advantages of low labor intensity, high efficiency, simple and convenient operation, and is not affected by weather conditions; sampling and monitoring can be carried out in multiple time periods and multiple frequencies.
Description
technical field [0001] The invention relates to an ore sand sampling method, in particular to a method for extracting a tailing sand sample from a tailings reservoir area. Background technique [0002] Tailings mortar is the waste generated during the beneficiation process, which is generally transported to the tailings reservoir area through a tailings sand conveying main pipe for stacking. In order to ensure that the tailings mortar can be stacked as uniformly as possible, several sand discharge branch pipes are usually arranged on the tailings sand conveying main pipe in sequence according to the topography of the tailings reservoir area, so as to facilitate the transportation of the tailings mortar to each of the tailings reservoir area. area; in order to facilitate the control of sand discharge, it is usually necessary to install an electric control main valve on the tailings sand conveying main pipe, and install an electric control sand discharge valve on each sand dis...
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IPC IPC(8): G01N1/10
CPCG01N1/10G01N2001/1006G01N2001/1031
Inventor 邓代强肖利平李海军穆静强赵艺璇
Owner GUIZHOU INST OF TECH