A review of intelligent coal gangue separation technology and equipment development

Figures & data

Figure 1. Beneficiation process of mechanical gangue discharge.

Figure 2. Working principle of the spiral separator.

Figure 3. Working principle of the heavy medium shallow trough separator [27].

Figure 4. Working principle of the TBS interference bed separator (Zi 2015).

Figure 5. Intelligent X-ray gangue sorter working principles (Li et al. 2021).

Figure 6. Coal gangue recognition method based on X-ray image.

Figure 7. Coal gangue recognition method based on dual-energy X-ray image.

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