longwall retreating

简明释义

后退式长壁开采

英英释义

例句

1.Our team has been trained in longwall retreating techniques to improve productivity.

我们的团队已经接受了长壁回撤技术的培训，以提高生产力。

2.During the longwall retreating process, safety measures must be strictly followed.

在长壁回撤过程中，必须严格遵守安全措施。

3.The efficiency of longwall retreating can significantly reduce operational costs.

有效的长壁回撤可以显著降低运营成本。

4.The miners are currently implementing longwall retreating to maximize coal extraction.

矿工们目前正在实施长壁回撤以最大化煤炭开采。

5.Adopting longwall retreating has allowed us to access deeper coal seams.

采用长壁回撤使我们能够接触到更深的煤层。

作文

In the world of mining, efficiency and safety are paramount. One of the most innovative methods developed to enhance coal extraction is the technique known as longwall retreating. This method involves the use of a longwall face, where a large block of coal is mined in a single slice, allowing for a more efficient extraction process. The term longwall retreating refers specifically to the process where the mining face advances into the coal seam, while the support structures gradually move back, or retreat. This technique has revolutionized underground mining operations, making them safer and more productive.The primary advantage of longwall retreating is its ability to maximize coal recovery. Traditional mining methods often leave significant amounts of coal behind due to their less efficient extraction techniques. In contrast, with longwall retreating, miners can extract nearly all of the coal from a given area, significantly increasing the yield of each mining operation. This not only benefits the mining companies financially but also contributes to energy production by providing a more substantial supply of coal.Safety is another critical aspect of longwall retreating. The method is designed to minimize the risk of accidents and injuries associated with traditional mining practices. As the mining face retreats, it allows for controlled subsidence, which reduces the likelihood of sudden collapses that can endanger workers. Additionally, the use of advanced technology in longwall retreating operations, such as automated machinery and real-time monitoring systems, further enhances safety by reducing the number of workers exposed to hazardous conditions.Environmental considerations are also an essential part of the discussion surrounding longwall retreating. While coal mining has faced criticism for its environmental impact, this method can be more environmentally friendly than others. By concentrating on specific areas and minimizing surface disturbance, longwall retreating can help reduce the overall footprint of mining operations. Furthermore, the controlled subsidence associated with this technique can lead to less disruption of the surrounding ecosystems compared to conventional mining methods.Despite its advantages, longwall retreating is not without challenges. The initial setup costs for this method can be high, as it requires significant investment in specialized equipment and technology. Additionally, the geological conditions must be suitable for this type of mining, which can limit its applicability in certain regions. Nevertheless, the benefits of longwall retreating often outweigh these challenges, making it a preferred choice for many mining operations worldwide.In conclusion, the technique of longwall retreating represents a significant advancement in the field of mining. By maximizing coal recovery, enhancing safety, and addressing environmental concerns, it offers a modern solution to the age-old challenge of coal extraction. As technology continues to evolve, the potential for further improvements in longwall retreating methods may pave the way for even more efficient and sustainable mining practices in the future.

在采矿的世界里，效率和安全至关重要。为了提高煤炭开采的效率，开发了一种创新的方法，称为长壁后退。这种方法涉及使用长壁面，在一个切片中提取大量煤块，从而实现更高效的开采过程。术语长壁后退特别指的是在煤层中推进采矿面，而支撑结构逐渐向后移动或后退的过程。这项技术彻底改变了地下采矿作业，使其更加安全和高效。长壁后退的主要优点是能够最大化煤炭回收。传统的采矿方法由于提取技术不够高效，往往会留下大量煤炭。而通过长壁后退，矿工几乎可以从特定区域提取所有煤炭，显著提高每次采矿作业的产量。这不仅有利于矿业公司在财务上的收益，还有助于通过提供更充足的煤炭供应来促进能源生产。安全性是长壁后退的另一个关键方面。这种方法旨在最大限度地降低与传统采矿实践相关的事故和伤害风险。当采矿面后退时，可以实现控制下沉，降低突然坍塌的可能性，这可能危及工人。此外，长壁后退作业中使用的先进技术，如自动化机械和实时监测系统，进一步增强了安全性，减少了暴露在危险条件下的工人人数。环境考虑也是围绕长壁后退讨论的重要部分。虽然煤矿开采因其对环境的影响而受到批评，但这种方法比其他方法更具环保性。通过集中在特定区域并尽量减少地表干扰，长壁后退可以帮助减少采矿作业的整体足迹。此外，与这种技术相关的控制下沉相比，传统采矿方法可能对周围生态系统造成更少的干扰。尽管有其优点，长壁后退也面临挑战。这种方法的初始设置成本可能很高，因为它需要对专业设备和技术进行大量投资。此外，地质条件必须适合这种类型的采矿，这可能限制其在某些地区的适用性。然而，长壁后退的好处往往超过这些挑战，使其成为全球许多采矿作业的首选。总之，长壁后退技术代表了采矿领域的一项重大进步。通过最大化煤炭回收、增强安全性和解决环境问题，它为煤炭开采这一古老挑战提供了现代解决方案。随着技术的不断发展，长壁后退方法的进一步改进潜力可能为未来更高效和可持续的采矿实践铺平道路。