fine coal

简明释义

粉煤

英英释义

例句

1.We need to analyze the quality of fine coal before purchasing.

我们需要在购买之前分析细煤的质量。

2.During the process, fine coal can be easily transported through pipelines.

在这个过程中，细煤可以通过管道轻松运输。

3.The environmental impact of burning fine coal is a major concern.

燃烧细煤的环境影响是一个主要问题。

4.The power plant uses fine coal to increase efficiency.

发电厂使用细煤以提高效率。

5.The factory produces fine coal for various industrial applications.

工厂生产用于各种工业应用的细煤。

作文

In the field of energy production, various types of coal are utilized to generate electricity and power industries. One specific category of coal that plays a crucial role in this process is referred to as fine coal. Fine coal, or 细煤 in Chinese, consists of small particles of coal that are typically less than 0.5 millimeters in diameter. This type of coal is often a byproduct of the coal mining and preparation processes, where larger pieces of coal are crushed and screened. The significance of fine coal cannot be understated, as it has unique properties that make it suitable for various applications.The primary use of fine coal is in the production of electricity. Power plants often employ pulverized coal combustion, where coal is finely ground into a powder before being burned in a furnace. The small size of fine coal allows for better combustion efficiency, leading to higher energy output and reduced emissions. This method of burning coal is more efficient than traditional methods, making fine coal a valuable resource in the energy sector.Moreover, fine coal can also be used in the production of metallurgical coke, which is essential for steelmaking. In this process, fine coal is agglomerated with other materials to form coke, which is then used in blast furnaces to produce iron and steel. The ability of fine coal to contribute to the production of high-quality coke makes it an important component in the metallurgical industry.Another significant application of fine coal is in the manufacturing of carbon products. Due to its fine particle size and high carbon content, fine coal can be used to produce activated carbon, which is widely used in air and water purification systems. Activated carbon derived from fine coal has a large surface area and high adsorption capacity, making it effective in removing impurities from various substances.However, the handling and processing of fine coal come with challenges. One of the main issues is dust generation during mining and transportation. The fine particles can easily become airborne, posing health risks to workers and contributing to environmental pollution. Therefore, it is essential for mining companies to implement effective dust control measures to minimize these risks.Additionally, the storage of fine coal requires careful management to prevent spontaneous combustion. Due to its small particle size, fine coal can heat up quickly, leading to potential fire hazards if not stored properly. Companies must ensure that fine coal is kept in well-ventilated areas and monitored regularly to mitigate these risks.In conclusion, fine coal plays a vital role in various industrial applications, particularly in energy production and metallurgical processes. Its unique properties allow for efficient combustion and high-quality product manufacturing. However, the challenges associated with handling and storage highlight the need for responsible management practices. As the world continues to seek sustainable energy solutions, the importance of fine coal will likely remain significant in the transition towards cleaner energy sources.

在能源生产领域，各种类型的煤被用来发电和为工业提供动力。其中一个特定的煤类，被称为细煤，在这一过程中发挥着至关重要的作用。细煤，即英文中的fine coal，指的是直径通常小于0.5毫米的小颗粒煤。这种类型的煤通常是煤矿开采和准备过程中的副产品，其中较大的煤块被破碎和筛选。细煤的重要性不容小觑，因为它具有独特的性质，使其适用于多种应用。细煤的主要用途是发电。发电厂通常采用粉煤燃烧技术，在这种技术中，煤被细磨成粉末，然后在炉子中燃烧。细煤的小尺寸使其具有更好的燃烧效率，从而提高能量输出并减少排放。这种燃烧煤的方式比传统方法更有效，使得细煤成为能源行业中的一种宝贵资源。此外，细煤还可以用于冶金焦的生产，这对于钢铁制造至关重要。在这个过程中，细煤与其他材料聚合成焦炭，随后在高炉中用于生产铁和钢。细煤能够促进高质量焦炭的生产，使其在冶金工业中成为重要组成部分。细煤的另一个重要应用是在碳产品的制造中。由于其细小的颗粒尺寸和高碳含量，细煤可用于生产活性炭，活性炭广泛用于空气和水的净化系统。由细煤制成的活性炭具有较大的表面积和高吸附能力，能够有效去除各种物质中的杂质。然而，处理和加工细煤也面临挑战。主要问题之一是在开采和运输过程中产生的粉尘。细小的颗粒容易飘散到空气中，对工人构成健康风险，并导致环境污染。因此，矿业公司必须实施有效的防尘措施，以最小化这些风险。此外，细煤的储存需要谨慎管理，以防自燃。由于其颗粒较小，细煤容易快速升温，如果储存不当，可能导致火灾隐患。公司必须确保细煤存放在通风良好的区域，并定期进行监测，以减轻这些风险。总之，细煤在多个工业应用中发挥着至关重要的作用，尤其是在能源生产和冶金过程中。其独特的性质使得高效燃烧和高质量产品的制造成为可能。然而，处理和储存相关的挑战突显了负责任管理实践的必要性。随着世界继续寻求可持续的能源解决方案，细煤的重要性在向更清洁能源源过渡的过程中可能仍将保持显著。