longwall with caving

简明释义

崩落式长壁开采

英英释义

A longwall with caving is a method of underground mining where a long horizontal panel of coal is mined in a single slice, and the overlying rock is allowed to collapse or cave in as the coal is extracted.

长壁采矿法是一种地下采矿方法,其中一条长水平的煤层在一个切片中被开采,同时允许上覆岩石在煤炭被提取时坍塌或塌陷。

例句

1.During the meeting, the engineers discussed the safety measures for the longwall with caving method.

在会议上,工程师们讨论了长壁开采与塌落方法的安全措施。

2.The implementation of longwall with caving has reduced the overall mining costs significantly.

实施长壁开采与塌落大大降低了整体采矿成本。

3.The geologists recommended using longwall with caving in areas with unstable rock formations.

地质学家建议在岩层不稳定的地区使用长壁开采与塌落

4.The coal mine implemented a new technique called longwall with caving to enhance production efficiency.

这座煤矿采用了一种新的技术,称为长壁开采与塌落,以提高生产效率。

5.Our team is evaluating the potential risks associated with longwall with caving operations.

我们的团队正在评估与长壁开采与塌落作业相关的潜在风险。

作文

The mining industry has evolved significantly over the years, and one of the most efficient methods that has emerged is the technique known as longwall with caving. This method is primarily used for underground coal mining and involves the extraction of coal from a long face of the coal seam. The term longwall with caving refers to a system where the mined-out area collapses or caves in after the coal has been extracted, which helps to minimize surface subsidence and allows for a more effective recovery of coal resources.To understand the benefits of longwall with caving, it is essential to compare it with traditional mining methods. In conventional mining, the extraction process often leaves behind substantial amounts of coal due to the need for support structures to prevent collapse. This not only results in lower efficiency but also increases the risk of ground instability. In contrast, the longwall with caving method allows for a more complete extraction of coal, as the caving process helps to fill the void left behind, thus maintaining stability in the surrounding rock formations.One of the primary advantages of using longwall with caving is its efficiency. The technique enables miners to extract large quantities of coal in a relatively short period. The longwall face can be several hundred meters long, and the continuous miner can operate along this face, making the process quicker than traditional methods. Additionally, since the caving process occurs naturally, it reduces the need for extensive support systems, further enhancing operational efficiency.Moreover, the environmental impact of longwall with caving is also a significant consideration. By allowing the mined area to cave in, the method minimizes the risk of surface subsidence, which can lead to damage to the environment above ground. This is particularly important in regions where agriculture or residential areas are located near mining operations. The reduced surface impact makes longwall with caving a more sustainable choice in some cases.However, it is important to note that the implementation of longwall with caving is not without its challenges. The technique requires advanced technology and skilled personnel to ensure safety and efficiency during the mining process. Additionally, proper geological assessments must be conducted to determine the suitability of the area for this method, as certain geological conditions may pose risks.In conclusion, the longwall with caving method represents a significant advancement in underground coal mining techniques. Its ability to maximize coal recovery while minimizing environmental impacts makes it an attractive option for many mining companies. As the industry continues to evolve, it is likely that we will see further innovations in mining techniques, potentially leading to even more efficient and sustainable practices in the future. Understanding the intricacies of longwall with caving is crucial for anyone involved in the mining sector, as it highlights the balance between resource extraction and environmental stewardship.

矿业行业多年来发生了显著变化,其中出现的一种高效方法是被称为长壁开采与塌陷的技术。这种方法主要用于地下煤矿开采,涉及从煤层的长面提取煤炭。术语长壁开采与塌陷指的是一种系统,在煤炭被提取后,开采区域会崩塌或塌陷,这有助于减少地表下沉并允许更有效地回收煤炭资源。要理解长壁开采与塌陷的好处,有必要将其与传统采矿方法进行比较。在传统采矿中,提取过程通常会留下大量煤炭,因为需要支撑结构以防止崩塌。这不仅导致效率降低,还增加了地面不稳定的风险。相比之下,长壁开采与塌陷方法允许更完整地提取煤炭,因为塌陷过程有助于填补留下的空隙,从而保持周围岩石构造的稳定性。使用长壁开采与塌陷的主要优点之一是其高效性。这种技术使矿工能够在相对较短的时间内提取大量煤炭。长壁面可以达到几百米长,连续采矿机可以沿着这个面操作,使得这一过程比传统方法更快。此外,由于塌陷过程自然发生,减少了对广泛支撑系统的需求,进一步提高了操作效率。此外,长壁开采与塌陷的环境影响也是一个重要考虑因素。通过允许开采区域发生塌陷,该方法最小化了地表下沉的风险,这可能导致地面环境的破坏。这在农业或居民区位于采矿作业附近的地区尤为重要。减少的地表影响使得长壁开采与塌陷在某些情况下成为更可持续的选择。然而,值得注意的是,实施长壁开采与塌陷并非没有挑战。这一技术需要先进的技术和熟练的人员,以确保在采矿过程中的安全和效率。此外,必须进行适当的地质评估,以确定该区域是否适合这种方法,因为某些地质条件可能会带来风险。总之,长壁开采与塌陷方法代表了地下煤矿开采技术的重大进步。其最大化煤炭回收的能力,同时最小化环境影响,使其成为许多矿业公司的有吸引力的选择。随着行业的不断发展,我们可能会看到采矿技术的进一步创新,可能导致未来更高效和可持续的实践。理解长壁开采与塌陷的复杂性对任何参与矿业部门的人来说都是至关重要的,因为它突显了资源开采与环境保护之间的平衡。

相关单词

longwall

longwall详解:怎么读、什么意思、用法

with

with详解:怎么读、什么意思、用法

caving

caving详解:怎么读、什么意思、用法