Coal ore rapid float-and-sink testing device and application method thereof

Abstract

The invention discloses a coal ore rapid float-and-sink testing device and an application method thereof. The device comprises a rotating assembly, an annular support and a barrel assembly. The rotating assembly comprises a rotating spindle which ascends and descending up and down and circumferentially rotates and a cantilever horizontally arranged on the rotating spindle, and net bottom barrels opened and closed to divide liquid are arranged at the lower end of the end of the cantilever in a lifting manner. The barrel assembly is arranged on the annular support and comprises treatment barrelassemblies and a liquid supplementary barrel assembly. The treatment barrel assemblies comprise and are provided with heavy liquid barrels, sediment collection barrels and float collection barrels ofdifferent densities. The heavy liquid barrels, the sediment collection barrels and the float collection barrels are arranged in sequence and located below the rotating arcs of the net bottom barrels.The liquid supplementary barrel assembly conveys concentrated liquid and clear water to the heavy liquid barrels. According to the coal ore rapid float-and-sink testing device, the structure is simple, running is reliable, materials are subjected to float and sediment isolation and separated collection in sequence through the rotating assembly, it is guaranteed that materials float and sink rapidly, the testing time is shorter, and the efficiency is higher.

Description

technical field [0001] The invention relates to the field of mineral processing, in particular to a coal ore rapid floating-sinking test device and a using method thereof. Background technique [0002] In the field of coal washing engineering, coal floating and sinking test is a relatively conventional treatment method, which mainly uses heavy liquids with different densities to divide the test samples into materials of various densities. The density composition of raw coal, clean coal, middling coal, and gangue can be understood through the float-sink test, which can be used to analyze the selectability of raw coal and the distribution law of materials of various densities in the sorted products. [0003] At present, the traditional floating and sinking test is to wash the coal slime attached to the test coal sample with water first, filter the washing water, then pass the coal sample through pre-configured heavy liquid barrels of different densities in turn, and then float...

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Problems solved by technology

[0003] At present, the traditional floating and sinking test is to wash the coal slime attached to the test coal sample with water first, filter the washing water, then pass the coal sample through pre-configured heavy liquid barrels of different densities in turn, and then float and sink, and the low-density heavy liquid From the bucket, pick up the floating objects in each heavy liquid bucket in turn, and enter the next high-density heavy liquid bucket for floating and sinking until all the coal samples are tested. Finally, the products of each density level and coal slime are dried and weighed separately. The process is manually operated, which is time-consuming and labor-intensive, and as the test progresses, the density of the heavy liquid changes, there are large errors in the test, and the data fluctuates greatly, which is not conducive to guiding daily production

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