caking coal

简明释义

1. 粘结煤; 2. 粘结性煤;

英英释义

例句

1.During the quality assessment, the presence of caking coal was noted as a significant concern for the production process.

在质量评估过程中，发现粘结煤的存在是生产过程中的一个重大问题。

2.The miners were instructed to avoid areas with high concentrations of caking coal due to its tendency to cause blockages.

矿工们被指示避免高浓度的粘结煤区域，因为它容易导致堵塞。

3.The power plant had to adjust its operations to accommodate the characteristics of caking coal in their fuel supply.

发电厂不得不调整其操作，以适应燃料供应中粘结煤的特性。

4.Engineers designed a new system to handle the challenges posed by caking coal during transportation.

工程师们设计了一种新系统，以应对运输过程中粘结煤带来的挑战。

5.The laboratory tested various samples to determine the caking properties of caking coal from different sources.

实验室测试了各种样本，以确定来自不同来源的粘结煤的粘结特性。

作文

Caking coal is a term used in the coal industry to describe a specific type of coal that has the ability to form clumps or cakes when heated. This property is particularly important in the production of metallurgical coke, which is essential for steelmaking. The process of caking occurs when certain types of coal are subjected to high temperatures, causing them to soften and then re-solidify into a hard mass. Understanding the characteristics of caking coal (结块煤) is crucial for industries that rely on coal as a primary resource.In recent years, the demand for caking coal (结块煤) has increased significantly due to the growth of the steel industry. As countries continue to industrialize, the need for steel has surged, leading to a corresponding rise in the requirement for metallurgical coke. This has prompted coal producers to focus on mining and processing coals that exhibit strong caking properties. The quality of caking coal (结块煤) can vary greatly depending on its geological origin, and therefore, understanding its composition is vital for ensuring the production of high-quality coke.One of the key factors that influence the caking ability of coal is its rank. Higher-rank coals, such as bituminous coal, tend to have better caking properties compared to lower-rank coals like lignite. This is because the molecular structure of higher-rank coals allows for more effective bonding during the heating process. Additionally, the presence of certain minerals and volatile matter in the coal can also affect its caking behavior. For instance, coals with a higher volatile content generally produce better caking results, as the volatiles help to create a sticky mass when heated.The process of producing coke from caking coal (结块煤) involves several steps. First, the coal is crushed and then blended to achieve a uniform mixture. This blend is then subjected to high temperatures in a coke oven, where it undergoes pyrolysis. During this process, the coal softens, and the volatile components are driven off. As the temperature continues to rise, the softened coal begins to fuse together, forming the characteristic cake-like structure of coke. Once the desired temperature is reached, the coke is cooled and then broken into various sizes for use in steel production.Environmental concerns related to coal mining and coke production have led to increased scrutiny of the processes involved. The emission of greenhouse gases and other pollutants during the burning of caking coal (结块煤) has prompted many companies to seek cleaner alternatives. As a result, research is ongoing to develop new technologies for utilizing coal in a more environmentally friendly manner. Innovations such as carbon capture and storage (CCS) are being explored to mitigate the impact of coal usage on climate change.In conclusion, caking coal (结块煤) plays a vital role in the production of metallurgical coke, which is essential for steelmaking. Its unique properties allow it to form clumps when heated, making it suitable for the coke production process. As the demand for steel continues to rise globally, understanding the characteristics and environmental implications of caking coal (结块煤) will be critical for the future of the coal and steel industries. By focusing on sustainable practices and innovations, the industry can work towards minimizing its environmental footprint while meeting the growing demands for steel.

结块煤是煤炭行业中用来描述一种特定类型的煤的术语，这种煤在加热时能够形成块状或团块。这一特性在冶金焦的生产中尤为重要，而冶金焦是钢铁制造的关键。结块的过程发生在某些类型的煤被高温加热时，导致它们软化，然后重新固化成坚硬的块状。理解结块煤（caking coal）的特性对于依赖煤作为主要资源的行业至关重要。近年来，由于钢铁工业的增长，对结块煤（caking coal）的需求显著增加。随着各国继续工业化，钢铁的需求激增，导致冶金焦的需求相应上升。这促使煤炭生产商专注于开采和加工表现出强烈结块特性的煤。结块煤（caking coal）的质量可能因其地质来源而有很大差异，因此，了解其成分对于确保生产高质量焦炭至关重要。影响煤的结块能力的关键因素之一是其等级。相比于低等级煤（如褐煤），高等级煤（如烟煤）通常具有更好的结块特性。这是因为高等级煤的分子结构在加热过程中允许更有效的结合。此外，煤中某些矿物质和挥发物的存在也会影响其结块行为。例如，含有较高挥发分的煤一般能产生更好的结块效果，因为挥发物在加热时有助于形成粘稠的块状物。从结块煤（caking coal）生产焦炭的过程涉及几个步骤。首先，煤被粉碎并混合，以达到均匀的混合物。然后，这种混合物被置于焦炉中，在高温下进行热解。在这个过程中，煤会软化，并且挥发成分被驱逐。当温度继续上升时，软化的煤开始融合，形成焦炭特有的块状结构。一旦达到所需的温度，焦炭就被冷却，然后破碎成不同的尺寸，用于钢铁生产。与煤炭开采和焦炭生产相关的环境问题导致对这些过程的审查增加。在燃烧结块煤（caking coal）时温室气体和其他污染物的排放促使许多公司寻求更清洁的替代方案。因此，目前正在进行研究，以开发新技术，使煤的利用更加环保。诸如碳捕集与储存（CCS）等创新正在被探索，以减轻煤使用对气候变化的影响。总之，结块煤（caking coal）在冶金焦的生产中发挥着至关重要的作用，而冶金焦又是钢铁制造的基础。其独特的特性使其在加热时能够形成块状，适合焦炭生产过程。随着全球对钢铁的需求不断上升，理解结块煤（caking coal）的特性及其环境影响对于煤炭和钢铁工业的未来至关重要。通过关注可持续实践和创新，该行业可以努力减少其环境足迹，同时满足对钢铁日益增长的需求。