Recent research led by Gan Qingqing from the School of Emergency Management and Safety Engineering at Jiangxi University of Science and Technology has unveiled critical insights into the production of hot-pressed briquettes. This study, published in the Journal of Mining Science, investigates how varying heating rates affect the microstructure and mechanical-seepage characteristics of briquettes, a topic of increasing relevance in the context of coal mine gas disaster management.
The production of briquettes plays a pivotal role in enhancing their strength and permeability, which are essential properties for ensuring safety in mining operations. By applying the Horsfield dense packing theory, Gan and her team optimized the material ratios used in briquette production, yielding significant findings. Their research indicates that as the heating rate increases, there is a complex interaction within the molecular structure of the briquettes. Notably, the study reveals that the proportion of C1s elements and the contents of various functional groups exhibit a fluctuating pattern, which has profound implications for the briquettes’ performance.
Gan emphasizes the practical applications of their findings, stating, “Understanding the relationship between heating rates and microstructural properties can lead to the development of briquettes that are not only stronger but also more effective in preventing gas disasters in coal mines.” The research shows that the optimal heating rate is 5 ℃/min, a detail that could guide future production processes to enhance both safety and efficiency.
The implications of this study extend beyond laboratory settings; they resonate with the construction sector, particularly in the context of developing safer mining practices. Improved briquette strength and permeability can lead to more reliable coal extraction methods, reducing the likelihood of gas-related incidents. This advancement not only enhances worker safety but also contributes to the overall efficiency of coal mining operations, which is vital for meeting energy demands.
As the industry grapples with the challenges posed by gas emissions and mining safety, Gan’s research provides a pathway for innovation. By improving the similarity between briquettes and raw coal, the findings could transform the way these materials are utilized in mining and construction, ultimately leading to safer and more sustainable practices.
For more information on Gan Qingqing’s work, you can visit her affiliation at Jiangxi University of Science and Technology. The study’s findings are detailed in the Journal of Mining Science, offering a valuable resource for professionals looking to enhance safety protocols in the coal mining industry.
