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- W2373616336 abstract "In order to solve the problems of mining subsidence and repeated lifting of gangue,taking Tangshan Coal Mine as a study object,the paper adopted the method of theoretic analysis and site measurement to study the backfillining mining and raw coal separation integrated system.The system layout and process flow were introduced.The economic,social and environmental benefits were analyzed.The results showed that gangue separated from raw coal in underground mine could directly use for backfilling goaf,simplify the traditional solid backfill process and aviod gangue lifting,gangue separation from raw coal in ground surface and feeding well construction.The integrated technology could reduce the expense of backfill coal mining,decrease the surface subsidence,avoid the repeated lifting of gangue and waste pollution to the environment." @default.
- W2373616336 created "2016-06-24" @default.
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- W2373616336 date "2013-01-01" @default.
- W2373616336 modified "2023-09-25" @default.
- W2373616336 title "Integrated Technology of Backfill Mining and Raw Coal Separation in Underground Mine" @default.
- W2373616336 hasPublicationYear "2013" @default.
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