longwall mining

简明释义

长壁开采

英英释义

例句

1.The company decided to invest in longwall mining 长壁采煤 technology to increase efficiency.

公司决定投资于长壁采煤技术以提高效率。

2.Safety measures are crucial in longwall mining 长壁采煤 operations to protect workers.

在长壁采煤作业中，安全措施对于保护工人至关重要。

3.Many coal mines are transitioning to longwall mining 长壁采煤 due to its higher productivity.

许多煤矿正在转向长壁采煤，因为它的生产率更高。

4.The longwall mining 长壁采煤 method allows for the extraction of large blocks of coal efficiently.

采用长壁采煤方法可以高效提取大块煤炭。

5.Environmental impacts of longwall mining 长壁采煤 must be carefully managed.

必须仔细管理长壁采煤的环境影响。

作文

Longwall mining is a highly efficient method of underground coal mining that has been utilized since the 19th century. This technique involves the extraction of coal from long panels of a coal seam, typically ranging from 150 to 300 meters in width and several kilometers in length. The process begins with the creation of a network of tunnels, known as the 'gate roads,' which support the mine's infrastructure and provide access to the coal face. Once these gate roads are established, the actual extraction process can begin. The coal is mined using a shearer, which moves along the coal face and cuts the coal from the seam. The extracted coal is then transported to the surface via conveyor belts. One of the primary advantages of longwall mining (长壁采煤) is its ability to extract a larger volume of coal compared to traditional mining methods. This efficiency not only increases productivity but also reduces the cost of coal production, making it a preferred choice for many coal mining operations worldwide.However, longwall mining (长壁采煤) is not without its challenges. The method requires significant capital investment in equipment and infrastructure, as well as skilled labor to operate the machinery safely. Additionally, the environmental impact of this mining technique can be substantial. The subsidence caused by the removal of large volumes of coal can lead to surface instability, affecting nearby structures and ecosystems. Therefore, mining companies must implement careful planning and monitoring to mitigate these risks.Despite these challenges, the advancements in technology have made longwall mining (长壁采煤) more efficient and safer over the years. Innovations such as automated shearers and advanced monitoring systems have improved both the safety and productivity of this mining method. Furthermore, the use of real-time data allows for better decision-making when it comes to managing resources and minimizing environmental impact.In conclusion, longwall mining (长壁采煤) remains a vital method for coal extraction in the modern mining industry. Its ability to produce large quantities of coal efficiently makes it an attractive option for mining companies. However, it is essential to balance the economic benefits with the environmental and social implications of this mining technique. As technology continues to evolve, the future of longwall mining (长壁采煤) looks promising, with the potential for even greater efficiency and sustainability in the extraction of coal.

长壁采煤是一种高效的地下煤矿开采方法，自19世纪以来一直被广泛应用。这种技术涉及从长面板的煤层中提取煤，通常宽度在150到300米之间，长度可达数公里。该过程开始于创建一系列隧道，称为“门道”，这些隧道支撑着矿井的基础设施，并提供通往煤面的通道。一旦这些门道建立，实际的开采过程就可以开始。煤是通过一个剪切机进行开采，该机器沿着煤面移动并从煤层中切割煤。提取的煤通过输送带运输到地面。长壁采煤（长壁采煤）的主要优点之一是能够比传统采矿方法提取更大体积的煤。这种效率不仅提高了生产力，还降低了煤炭生产成本，使其成为世界上许多煤矿操作的首选。然而，长壁采煤（长壁采煤）并非没有挑战。这种方法需要对设备和基础设施进行大量的资本投资，以及熟练的劳动力来安全地操作机械。此外，这种采矿技术对环境的影响可能是相当大的。由于大规模煤炭的去除而导致的下沉可能会导致地表不稳定，影响附近的建筑物和生态系统。因此，采矿公司必须实施仔细的规划和监测，以减轻这些风险。尽管面临这些挑战，但技术的进步使得近年来的长壁采煤（长壁采煤）变得更加高效和安全。自动化剪切机和先进监测系统等创新提高了这种采矿方法的安全性和生产率。此外，实时数据的使用使得在管理资源和最小化环境影响方面能够做出更好的决策。总之，长壁采煤（长壁采煤）仍然是现代采矿行业中煤炭提取的重要方法。其高效生产大量煤炭的能力使其成为采矿公司的一个有吸引力的选择。然而，必须在经济利益与这种采矿技术的环境和社会影响之间取得平衡。随着技术的不断发展，长壁采煤（长壁采煤）的未来看起来很有希望，有潜力在煤炭提取中实现更高的效率和可持续性。