pitch coal

简明释义

沥青煤

英英释义

例句

1.In the old days, people would burn pitch coal 沥青煤 for heating their homes.

在过去，人们会燃烧pitch coal 沥青煤 来为他们的家供暖。

2.He explained how pitch coal 沥青煤 is used in the production of certain types of asphalt.

他解释了pitch coal 沥青煤 如何用于某些类型沥青的生产。

3.During the winter, we stock up on pitch coal 沥青煤 to keep our fireplace burning.

在冬季，我们储备pitch coal 沥青煤 以保持壁炉的燃烧。

4.The workers used pitch coal 沥青煤 to seal the roof and prevent leaks.

工人们使用pitch coal 沥青煤 来封闭屋顶以防止漏水。

5.The factory produces pitch coal 沥青煤 as a byproduct of its manufacturing process.

该工厂在其制造过程中产生pitch coal 沥青煤 作为副产品。

作文

In the world of natural resources, coal has played a significant role for centuries. Among the various types of coal, one that stands out is pitch coal, which is known for its unique properties and applications. Pitch coal (沥青煤) is a type of coal that is rich in carbon and has a high calorific value. It is primarily used in the production of coke, which is an essential ingredient in steel manufacturing. The process of transforming pitch coal into coke involves heating it in the absence of air, which drives off volatile substances and leaves behind a solid carbon-rich material.The significance of pitch coal extends beyond its use in industrial processes. It also plays a crucial role in the production of various chemicals and materials. For instance, when heated, pitch coal can yield tar and other by-products that are valuable in the creation of products like roofing materials, sealants, and even certain types of paints. This versatility makes pitch coal an important resource in multiple industries.However, the extraction and use of pitch coal are not without challenges. The mining process can have significant environmental impacts, including habitat destruction and pollution. As a result, there has been a growing emphasis on sustainable practices in the coal industry. Efforts to reduce the carbon footprint associated with pitch coal extraction and utilization are becoming increasingly important as society moves towards greener alternatives.Moreover, the market for pitch coal is subject to fluctuations based on global demand for steel and other industries that rely on its by-products. Economic factors, such as changes in regulations and the rise of renewable energy sources, can influence the viability of pitch coal as a resource. This dynamic nature of the market requires stakeholders to stay informed and adapt to changing circumstances.In conclusion, pitch coal (沥青煤) is a distinctive type of coal that serves various industrial purposes, particularly in the production of coke and chemical materials. While it offers numerous benefits, it also poses environmental challenges that necessitate careful management and innovative solutions. As we look to the future, the role of pitch coal will likely evolve, reflecting broader trends in sustainability and resource management. Understanding this resource's complexities will be crucial for industries that depend on it and for policymakers aiming to balance economic growth with environmental protection.