shrinkage stoping

简明释义

留矿回采

英英释义

例句

1.With shrinkage stoping, the miners can leave pillars of ore to support the mine while extracting valuable material.

通过收缩开采法，矿工可以留下矿柱以支撑矿井，同时提取有价值的材料。

2.The engineers recommended using shrinkage stoping for its safety and efficiency in hard rock mining.

工程师建议使用收缩开采法，因为它在硬岩开采中安全且高效。

3.The success of the project depended largely on the proper implementation of shrinkage stoping techniques.

项目的成功在很大程度上依赖于收缩开采法技术的正确实施。

4.The mining company implemented shrinkage stoping to maximize ore recovery from the underground deposit.

该矿业公司实施了收缩开采法以最大化地下矿床的矿石回收率。

5.During the training session, we learned that shrinkage stoping is effective in steeply dipping ore bodies.

在培训课程中，我们了解到收缩开采法在陡倾斜矿体中是有效的。

作文

In the mining industry, various techniques are employed to extract valuable minerals from the earth. One such method is known as shrinkage stoping, which is particularly effective in steeply dipping ore bodies. This technique allows for the efficient extraction of ore while minimizing waste rock and maintaining the stability of the mine workings. Understanding shrinkage stoping is crucial for anyone involved in mining operations, as it has significant implications for both safety and productivity.The principle behind shrinkage stoping involves creating a series of horizontal slices or levels within the ore body. Miners first excavate a vertical shaft down to the ore, and then they begin to extract the ore in a systematic manner. As the ore is removed, the void created allows for the surrounding rock to collapse into the stope, or excavation area. This process is what gives shrinkage stoping its name, as the volume of ore extracted is less than the volume of the original ore body due to the rock fill that occurs during the extraction process.One of the primary advantages of shrinkage stoping is that it can be done without extensive ground support, which can save time and costs. The natural support provided by the surrounding rock helps to maintain the integrity of the mine structure. Additionally, this method allows for selective mining, meaning miners can target high-grade sections of the ore body while leaving lower-grade areas untouched. This selectivity can lead to increased profitability for mining operations.However, shrinkage stoping is not without its challenges. The method requires careful planning and execution to ensure that the mined-out areas do not collapse prematurely, which could pose safety risks to workers. Moreover, the technique is most suitable for certain types of ore deposits, particularly those that are relatively high in grade and have a steep dip. In cases where the ore body is flat-lying or low-grade, other mining methods may be more appropriate.Environmental considerations also play a role in the decision to use shrinkage stoping. The method generates less waste material compared to other mining techniques, which can reduce the environmental impact associated with mining activities. However, it is essential for mining companies to conduct thorough assessments to ensure that their operations comply with environmental regulations and minimize their ecological footprint.In conclusion, shrinkage stoping is a valuable mining technique that offers numerous benefits, including efficient ore extraction and reduced waste. Its effectiveness in steeply dipping ore bodies makes it a preferred choice for many mining operations. However, the method also presents challenges that require careful management to ensure safety and environmental compliance. For individuals pursuing a career in mining, a solid understanding of shrinkage stoping and its applications will be essential for success in the industry.

在采矿行业，采用各种技术从地球中提取有价值的矿物。其中一种方法被称为收缩采矿，特别适用于倾斜度较大的矿体。这种技术可以有效提取矿石，同时最小化废石，并保持矿井作业的稳定性。理解收缩采矿对任何参与采矿操作的人来说都是至关重要的，因为它对安全和生产力都有重大影响。收缩采矿的原理涉及在矿体内创建一系列水平切片或层。矿工首先挖掘一条垂直井道直达矿石，然后开始以系统的方式提取矿石。随着矿石的移除，所产生的空隙允许周围的岩石塌入采场或开采区域。这一过程使得收缩采矿得名，因为提取的矿石体积少于原始矿体的体积，原因在于在提取过程中发生的岩石填充。收缩采矿的主要优点之一是可以在没有大量支护的情况下进行，这可以节省时间和成本。周围岩石提供的自然支撑有助于维持矿井结构的完整性。此外，这种方法允许选择性采矿，意味着矿工可以针对矿体中的高品位部分进行开采，而将低品位区域留置未动。这样的选择性可以提高矿业运营的盈利能力。然而，收缩采矿并非没有挑战。该方法需要仔细的规划和执行，以确保开采出的区域不会过早坍塌，这可能对工人构成安全风险。此外，该技术最适合某些类型的矿床，特别是那些相对高品位且倾斜度较大的矿床。在矿体平卧或低品位的情况下，其他采矿方法可能更为合适。环境考虑也在决定是否使用收缩采矿中发挥作用。与其他采矿技术相比，该方法产生的废料较少，这可以减少与采矿活动相关的环境影响。然而，采矿公司必须进行彻底评估，以确保其运营符合环境法规，并尽量减少生态足迹。总之，收缩采矿是一种有价值的采矿技术，具有众多优势，包括高效的矿石提取和减少废物。其在倾斜矿体中的有效性使其成为许多采矿操作的首选。然而，该方法也带来了需要仔细管理的挑战，以确保安全和环境合规。对于追求采矿职业的人来说，扎实理解收缩采矿及其应用对于在该行业取得成功至关重要。