caking coal

简明释义

粘结性煤

英英释义

例句

1.During the testing phase, we discovered that caking coal produced more emissions than expected.

在测试阶段，我们发现粘结煤产生的排放量超出预期。

2.The power plant switched to using caking coal to improve energy efficiency.

发电厂改用粘结煤以提高能源效率。

3.The shipment of caking coal arrived at the dock yesterday.

昨天一批粘结煤到达码头。

4.The supplier recommended caking coal for its high calorific value.

供应商推荐使用粘结煤，因为它的热值很高。

5.We need to find a way to prevent caking coal from becoming too moist during storage.

我们需要找到一种方法，防止粘结煤在储存过程中变得过于潮湿。

作文

The term caking coal refers to a type of coal that has the ability to form a cohesive mass or cake when subjected to heat and pressure. This characteristic is particularly important in various industrial processes, such as in the production of coke for steel manufacturing. Understanding the properties of caking coal is essential for industries that rely on coal as a primary energy source. In this essay, I will explore the significance of caking coal, its applications, and the factors that influence its behavior during combustion.Firstly, caking coal is primarily found in certain types of bituminous coal, which is known for its high carbon content and relatively low moisture levels. The caking property of coal is determined by its maceral composition, specifically the presence of vitrinite and liptinite, which contribute to its ability to soften and fuse when heated. When caking coal is heated, it undergoes a process called plasticity, where it softens and begins to flow. This is crucial for creating a solid mass that can be used in various applications, particularly in the metallurgical sector.In the steel industry, caking coal is vital for the production of coke, which is used as a reducing agent in iron ore smelting. The caking ability allows the coal to form a strong and stable structure that can withstand the high temperatures of a blast furnace. Without caking coal, the coke produced would be weak and unable to support the weight of the materials above it, leading to inefficiencies and potential failures in the smelting process.Moreover, the quality of caking coal can significantly impact the efficiency of the coke production process. Factors such as the coal's rank, ash content, and volatile matter play a crucial role in determining its caking properties. Higher-ranked coals generally exhibit better caking abilities, while those with excessive ash content may lead to poor coke quality. Therefore, selecting the right type of caking coal is essential for optimizing production processes and ensuring high-quality outputs.In addition to its industrial applications, understanding the combustion characteristics of caking coal is also important for environmental considerations. When burned, caking coal can produce significant amounts of greenhouse gases and pollutants. Thus, there is an increasing demand for cleaner alternatives and technologies that can enhance the efficiency of coal combustion. Research into the combustion behavior of caking coal is ongoing, with scientists exploring ways to minimize emissions while maximizing energy output.In conclusion, caking coal plays a critical role in various industrial applications, particularly in the production of coke for steel manufacturing. Its unique properties allow it to form a cohesive mass under heat and pressure, making it indispensable in metallurgical processes. Understanding the factors that influence the caking behavior of coal is essential for optimizing production and addressing environmental concerns. As industries continue to evolve, the importance of caking coal and its applications will remain significant, necessitating ongoing research and innovation in this field.

短语caking coal指的是一种煤，当受到热和压力时，能够形成一个粘合的块状物或饼。这一特性在各种工业过程中尤其重要，例如在钢铁制造中生产焦炭。理解caking coal的特性对于依赖煤作为主要能源来源的行业至关重要。在这篇文章中，我将探讨caking coal的重要性、其应用以及影响其燃烧行为的因素。首先，caking coal主要存在于某些类型的烟煤中，这种煤以其高碳含量和相对低的水分水平而闻名。煤的成型特性由其组分组成决定，特别是维氏素和脂肪素的存在，这些成分有助于其在加热时软化和熔融。当caking coal被加热时，它经历一个称为塑性的过程，在此过程中它软化并开始流动。这对于创造一个可以在各种应用中使用的坚固稳定的结构至关重要，尤其是在冶金行业。在钢铁行业中，caking coal对于生产焦炭至关重要，焦炭被用作铁矿石冶炼中的还原剂。成型能力使煤能够形成一个强大且稳定的结构，能够承受高炉上方材料的重量。如果没有caking coal，所生产的焦炭将会脆弱，无法支撑上方材料的重量，从而导致冶炼过程中的低效率和潜在故障。此外，caking coal的质量可以显著影响焦炭生产过程的效率。煤的等级、灰分含量和挥发分等因素在决定其成型特性方面起着关键作用。较高等级的煤通常表现出更好的成型能力，而灰分含量过高的煤可能导致焦炭质量差。因此，选择合适的caking coal对于优化生产过程和确保高质量输出至关重要。除了工业应用之外，了解caking coal的燃烧特性对于环境考虑也很重要。当燃烧时，caking coal可能会产生大量温室气体和污染物。因此，对更清洁的替代品和技术的需求日益增加，这些技术可以提高煤燃烧的效率。关于caking coal燃烧行为的研究仍在进行中，科学家们正在探索减少排放同时最大化能量输出的方法。总之，caking coal在各种工业应用中扮演着关键角色，特别是在钢铁制造中生产焦炭。其独特的特性使其能够在热和压力下形成一个粘合的块状物，使其在冶金过程中不可或缺。理解影响煤成型行为的因素对于优化生产和应对环境问题至关重要。随着行业的不断发展，caking coal及其应用的重要性将持续显著，因此需要在该领域进行持续的研究和创新。