Technological conception of in-situ pulverized coal combustion and explosion power generation based on the deep fluidization mining

Nie Baisheng; Gong Jie; Wang Xiaotong; Peng Chao

doi:10.19606/j.cnki.jmst.2021.03.003

Volume 6 Issue 3

May 2021

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Article Navigation > Journal of Mining Science and Technology > 2021 > 6(3): 271-279

Nie Baisheng, Gong Jie, Wang Xiaotong, Peng Chao. Technological conception of in-situ pulverized coal combustion and explosion power generation based on the deep fluidization mining[J]. Journal of Mining Science and Technology, 2021, 6(3): 271-279. doi: 10.19606/j.cnki.jmst.2021.03.003

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Technological conception of in-situ pulverized coal combustion and explosion power generation based on the deep fluidization mining

doi: 10.19606/j.cnki.jmst.2021.03.003

Nie Baisheng^{1, 2
,},
Gong Jie^{1, 2
,
,},
Wang Xiaotong^{1, 2},
Peng Chao^{1, 2}

1.
State Key Laboratory of Coal Resources and Safe Mining, Beijing 100083, China
2.
School of Emergency Management and Safety Engineering, China University of Mining and Technology-Beijing, Beijing 100083, China

Received Date: 2021-02-28
Rev Recd Date: 2021-03-29
Publish Date: 2021-06-01

Abstract

Abstract

Aiming at solving the problems of underground coal dust pollution and low energy efficiency of traditional coal combustion, the energy utilization mode of pulverized coal explosion power generation in the process of fluidized mining was proposed.In fluidization mining in underground coal mines, pulverized coal is used simultaneously as fuel and mixed with corresponding combustion supporting agents to induce pulverized coal combustion and explosion.The energy generated by detonation is used to drive the generator to generate electricity, which will reduce the energy loss from transferring chemical energy to steam internal energy and then to mechanical energy in traditional coal-fired power generation.After dust removal and purification, the explosive residue is backfilled into the goaf to avoid the goaf collapse and promote the resource utilization of the waste.Waste heat and energy, through efficient recovery, can be used for heating to promote multi-level utilization of energy.The technical conception of fluidized mining coal combustion and explosion power generation will promote the improvement of the energy utilization rate of coal resources and push the development of the clean, efficient, safe, and intelligent use of coal resources.
- pulverized coal,
- combustion and explosion,
- power generation,
- energy utilization,
- key technology

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References

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Technological conception of in-situ pulverized coal combustion and explosion power generation based on the deep fluidization mining

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