graded coal

简明释义

过筛煤

英英释义

例句

1.The supplier guarantees that all graded coal meets industry standards.

供应商保证所有的分级煤都符合行业标准。

2.The factory relies on high-quality graded coal for its energy needs.

这家工厂依赖高质量的分级煤来满足其能源需求。

3.The quality of graded coal affects the efficiency of the combustion process.

分级煤的质量会影响燃烧过程的效率。

4.Using graded coal can significantly reduce emissions in power plants.

使用分级煤可以显著减少发电厂的排放。

5.We need to order more graded coal to meet the production demands this month.

我们需要订购更多的分级煤以满足本月的生产需求。

作文

In the world of energy production, coal has long been a vital resource. However, not all coal is created equal. One important classification of coal is known as graded coal, which refers to coal that has been sorted and categorized based on specific characteristics such as its calorific value, ash content, and sulfur content. Understanding graded coal is crucial for industries that rely heavily on coal for energy generation, as it directly impacts efficiency and environmental considerations.The process of grading coal involves several steps. Initially, coal is mined from various locations, and then it undergoes a series of tests to determine its quality. This testing helps in identifying the grade of the coal, which can be classified into different categories such as anthracite, bituminous, sub-bituminous, and lignite. Each of these grades has distinct properties that make them suitable for different applications. For example, anthracite is known for its high carbon content and low impurities, making it an excellent choice for residential heating and industrial processes.Once the coal has been graded, it can be sold to different markets, each with specific needs. Power plants may prefer graded coal with higher calorific values to maximize energy output, while other industries might require coal with lower sulfur content to meet environmental regulations. The ability to provide accurately graded coal allows suppliers to cater to the diverse demands of their customers, thus enhancing profitability and sustainability.Moreover, the use of graded coal plays a significant role in reducing emissions. By selecting coal that meets stringent environmental standards, power plants can significantly lower their sulfur dioxide and particulate matter emissions. This is particularly important in regions where air quality is a major concern. The transition towards cleaner energy sources necessitates that industries pay close attention to the type of coal they are using, and graded coal provides a pathway to achieving this goal.In recent years, the focus on sustainable energy has intensified, leading many companies to explore alternatives to coal. However, for the time being, coal remains a dominant force in energy production worldwide. As such, understanding the nuances of graded coal is essential for anyone involved in the energy sector. It enables stakeholders to make informed decisions regarding sourcing, usage, and compliance with environmental regulations.In conclusion, graded coal is an integral part of the coal industry that facilitates efficient energy production while addressing environmental concerns. As we move towards a more sustainable future, the importance of understanding and utilizing graded coal effectively cannot be overstated. Whether for industrial use or energy generation, recognizing the significance of coal grading will undoubtedly shape the landscape of energy production for years to come.

在能源生产的世界中，煤炭长期以来一直是一个重要的资源。然而，并不是所有的煤炭都是相同的。一个重要的煤炭分类是被称为分级煤，它指的是根据特定特征（如热值、灰分和硫分含量）进行排序和分类的煤。理解分级煤对于依赖煤炭进行能源生产的行业至关重要，因为它直接影响效率和环境考虑。分级煤的过程涉及几个步骤。最初，煤炭从各个地点开采，然后经过一系列测试以确定其质量。这种测试有助于识别煤的等级，可以将其分类为不同类别，如无烟煤、烟煤、亚烟煤和褐煤。这些等级各自具有独特的属性，使它们适合不同的应用。例如，无烟煤以其高碳含量和低杂质而闻名，是住宅供暖和工业过程的绝佳选择。一旦煤炭被分级，它可以出售给不同的市场，每个市场都有特定的需求。发电厂可能更喜欢热值较高的分级煤以最大化能量输出，而其他行业可能需要硫含量较低的煤以满足环境法规。提供准确分级的煤炭使供应商能够满足客户的多样化需求，从而提高盈利能力和可持续性。此外，使用分级煤在减少排放方面发挥了重要作用。通过选择符合严格环境标准的煤，发电厂可以显著降低二氧化硫和颗粒物的排放。这在空气质量问题严重的地区尤其重要。向清洁能源的过渡要求各行业密切关注所使用的煤类型，而分级煤提供了一条实现这一目标的途径。近年来，对可持续能源的关注加剧，许多公司开始探索替代煤炭的方案。然而，目前为止，煤炭仍然是全球能源生产的主导力量。因此，理解分级煤的细微差别对任何参与能源部门的人来说都是至关重要的。它使利益相关者能够就采购、使用和遵守环境法规做出明智的决策。总之，分级煤是煤炭行业不可或缺的一部分，它促进了高效的能源生产，同时解决了环境问题。随着我们向更可持续的未来迈进，理解和有效利用分级煤的重要性不容小觑。无论是用于工业还是能源生产，认识到煤炭分级的重要性无疑将塑造未来几年的能源生产格局。