retreating longwall

简明释义

后退式长壁开采

英英释义

例句

1.The mine operators decided to implement a new strategy using the retreating longwall technique to maximize coal extraction.

矿山运营商决定实施一种新策略，使用后退式长壁采煤技术来最大化煤炭开采。

2.During the training session, the workers learned how to safely operate the retreating longwall machinery.

在培训课程中，工人们学习了如何安全操作后退式长壁采煤机械。

3.The retreating longwall approach allows for better recovery of resources compared to traditional mining methods.

与传统采矿方法相比，后退式长壁采煤方法可以更好地回收资源。

4.Engineers conducted a survey to assess the geological conditions for implementing a retreating longwall system.

工程师进行了调查，以评估实施后退式长壁采煤系统的地质条件。

5.The efficiency of the retreating longwall method has significantly improved production rates in recent years.

近年来，后退式长壁采煤方法的效率显著提高了生产率。

作文

The mining industry has seen significant advancements in technology, particularly in the method of coal extraction known as longwall mining. One of the most efficient techniques within this category is the retreating longwall method. This technique involves a systematic approach to mining that maximizes coal recovery while ensuring the safety of miners and minimizing environmental impact.In a typical longwall mining operation, a long wall of coal is mined in a single slice, which can be several hundred meters long and up to 1 meter thick. The retreating longwall method takes this a step further by allowing the mining face to move backward as coal is extracted. This process contrasts with the advancing longwall method, where the mining face moves forward into untouched coal reserves.One of the primary advantages of the retreating longwall method is its efficiency. As the miners extract coal from the face, they simultaneously allow the roof to collapse behind them, which reduces the need for extensive support structures. This not only saves on material costs but also allows for a more rapid extraction process. The retreating nature of this method means that miners can focus on one section at a time, leading to potentially higher productivity.Safety is another critical factor in mining operations. The retreating longwall technique enhances safety measures by enabling better control over the mine’s environment. As miners retreat, they can monitor ground conditions more effectively and react to any potential hazards before they become serious threats. This proactive approach to safety is essential in an industry where risks are always present.Moreover, the environmental impact of mining operations is a growing concern. The retreating longwall method can help mitigate some of these impacts. By collapsing the mine roof behind the working face, the disturbance to the surface is minimized. This is particularly important in areas where surface land use is vital for agriculture or habitation. The controlled subsidence associated with this method can be managed more effectively than in other mining techniques, leading to less disruption of the local ecosystem.However, it is important to note that the retreating longwall method does come with its challenges. The reliance on roof collapse means that careful planning is required to ensure that the process does not lead to unexpected subsidence issues on the surface. Engineers and geologists must work closely together to assess the geological conditions and devise strategies that minimize risks.In conclusion, the retreating longwall method represents a significant innovation in the field of coal mining. Its efficiency, safety advantages, and reduced environmental impact make it a preferred choice for many mining operations. As technology continues to evolve, the practices surrounding longwall mining will likely improve, paving the way for even more sustainable and safer methods of coal extraction in the future. Understanding the intricacies of the retreating longwall technique is crucial for anyone involved in the mining industry, as it embodies the balance between productivity and responsibility in resource extraction.

采矿行业在技术方面取得了显著进展，特别是在被称为长壁采煤的煤炭开采方法中。在这一类别中，最有效的技术之一是后退式长壁方法。该技术涉及一种系统化的采矿方法，最大限度地提高煤炭回收率，同时确保矿工的安全并最小化环境影响。在典型的长壁采矿操作中，一整面煤炭在一刀切的方式下被开采，这可以是几百米长且厚度可达1米。后退式长壁方法在此基础上更进一步，允许在提取煤炭的同时，采矿面向后移动。这一过程与前进式长壁方法形成对比，后者是将采矿面向前推进到未开采的煤炭储备中。后退式长壁方法的主要优点之一是其效率。在矿工从采矿面提取煤炭的同时，他们还允许屋顶在他们身后坍塌，这减少了对广泛支撑结构的需求。这不仅节省了材料成本，还使得提取过程更加迅速。由于这种方法是向后退的，矿工可以集中精力于一个区域，从而可能提高生产率。安全是采矿操作中的另一个关键因素。后退式长壁技术通过增强对矿井环境的控制来提高安全措施。当矿工后退时，他们能够更有效地监测地面条件，并在潜在危险成为严重威胁之前采取反应。这种主动的安全管理方法在一个风险始终存在的行业中至关重要。此外，采矿操作的环境影响也是一个日益关注的问题。后退式长壁方法有助于减轻一些环境影响。通过在工作面后方坍塌矿井屋顶，表面的扰动被最小化。这在表面土地使用对农业或居住至关重要的地区尤其重要。与其他采矿技术相比，此方法相关的可控沉降可以更有效地管理，从而减少对当地生态系统的干扰。然而，值得注意的是，后退式长壁方法确实存在一些挑战。对屋顶坍塌的依赖意味着需要进行仔细规划，以确保这一过程不会导致意外的表面沉降问题。工程师和地质学家必须紧密合作，评估地质条件并制定最小化风险的策略。总之，后退式长壁方法代表了煤炭采矿领域的一项重大创新。其效率、安全优势和减少的环境影响使其成为许多采矿操作的首选。随着技术的不断发展，围绕长壁采矿的实践可能会不断改善，为未来更可持续和安全的煤炭开采方法铺平道路。理解后退式长壁技术的复杂性对于任何参与采矿行业的人来说都是至关重要的，因为它体现了资源开采中生产力与责任之间的平衡。