powdered coal

简明释义

粉煤

英英释义

例句

1.In some regions, powdered coal is mixed with biomass to reduce emissions.

在某些地区，粉煤与生物质混合以减少排放。

2.The power plant uses powdered coal to generate electricity efficiently.

电厂使用粉煤高效地发电。

3.During the combustion process, powdered coal burns more completely than larger chunks.

在燃烧过程中，粉煤比较大的块状煤燃烧得更彻底。

4.Transporting powdered coal can be challenging due to its fine particles.

运输粉煤可能会很有挑战性，因为它的颗粒很细。

5.The industrial furnace requires a steady supply of powdered coal for optimal performance.

工业炉需要稳定供应的粉煤以达到最佳性能。

作文

In the world of energy production, various sources are utilized to meet the ever-growing demand for electricity. One of the traditional sources that has been widely used is coal. Among the different forms of coal, powdered coal (粉煤) plays a crucial role in modern power plants. This finely ground form of coal is essential for efficient combustion and energy generation. The process of creating powdered coal involves crushing and grinding coal into a fine powder, which increases its surface area. This increased surface area allows for better air circulation during combustion, leading to a more efficient burning process. When powdered coal is burned, it produces heat, which is then used to generate steam that drives turbines to produce electricity. This method is not only effective but also economical, making powdered coal a popular choice in many regions around the world.However, the use of powdered coal is not without its challenges. One of the major concerns is the environmental impact associated with coal combustion. The burning of powdered coal releases significant amounts of carbon dioxide (CO2), a greenhouse gas that contributes to climate change. Additionally, other pollutants such as sulfur dioxide (SO2) and nitrogen oxides (NOx) are released, which can lead to acid rain and respiratory problems in humans.To mitigate these environmental issues, many power plants are now incorporating advanced technologies to reduce emissions from powdered coal combustion. For instance, flue gas desulfurization systems are used to remove SO2 from the exhaust gases, while selective catalytic reduction can help in reducing NOx emissions. These technologies aim to make the use of powdered coal cleaner and more sustainable.Moreover, the transition to renewable energy sources is another critical factor affecting the future of powdered coal. As countries strive to meet their climate goals, there is a significant push towards wind, solar, and hydroelectric power. These renewable sources do not produce the same level of emissions as powdered coal, leading to a gradual decline in its usage. Nevertheless, in many developing nations, powdered coal remains a primary energy source due to its availability and low cost.In conclusion, powdered coal (粉煤) serves as a vital component in the energy sector, particularly in electricity generation. While it offers advantages in terms of efficiency and cost, the environmental implications cannot be overlooked. As we move towards a more sustainable future, balancing the use of powdered coal with cleaner energy alternatives will be essential in addressing global energy needs while protecting our planet.

在能源生产的世界中，各种来源被利用以满足对电力日益增长的需求。煤炭是被广泛使用的一种传统能源。在不同形式的煤炭中，powdered coal（粉煤）在现代发电厂中发挥着至关重要的作用。这种细磨的煤炭形式对于高效燃烧和能量生成至关重要。制造powdered coal的过程包括将煤炭压碎和磨成细粉，这增加了其表面积。增加的表面积允许在燃烧过程中更好的空气流通，从而导致更高效的燃烧过程。当powdered coal被燃烧时，它会产生热量，这些热量随后用于产生驱动涡轮机发电的蒸汽。这种方法不仅有效，而且经济，使得powdered coal在世界许多地区成为一种受欢迎的选择。然而，使用powdered coal并非没有挑战。一个主要的担忧是与煤炭燃烧相关的环境影响。燃烧powdered coal会释放大量二氧化碳（CO2），这是一种温室气体，会导致气候变化。此外，还会释放其他污染物，如二氧化硫（SO2）和氮氧化物（NOx），这些物质可能导致酸雨和人类的呼吸问题。为了减轻这些环境问题，许多发电厂现在正在采用先进技术来减少燃烧powdered coal所产生的排放。例如，烟气脱硫系统用于去除废气中的SO2，而选择性催化还原可以帮助减少NOx排放。这些技术旨在使powdered coal的使用更加清洁和可持续。此外，向可再生能源转型是影响powdered coal未来的另一个关键因素。随着各国努力实现气候目标，风能、太阳能和水电等可再生能源的使用受到显著推动。这些可再生能源不会像powdered coal那样产生相同水平的排放，导致其使用逐渐下降。然而，在许多发展中国家，由于其可用性和低成本，powdered coal仍然是主要的能源来源。总之，powdered coal（粉煤）作为能源部门的重要组成部分，特别是在发电方面。虽然它在效率和成本方面提供了优势，但环境影响不容忽视。随着我们迈向更可持续的未来，平衡使用powdered coal与更清洁的能源替代品将是满足全球能源需求的关键，同时保护我们的地球。