lump coal

简明释义

块煤

英英释义

例句

1.The old furnace works best with lump coal.

这台旧炉子最适合用块煤。

2.I prefer lump coal over briquettes for my fireplace.

我更喜欢在壁炉中使用块煤而不是压块煤。

3.The delivery of lump coal arrived early this morning.

今天早上早些时候送来了块煤。

4.Using lump coal can increase the heat output significantly.

使用块煤可以显著提高热量输出。

5.We need to buy some lump coal for the winter months.

我们需要买一些块煤以备冬季使用。

作文

Lump coal, known as 块煤 in Chinese, is a type of coal that is characterized by its larger size and solid form. Unlike the finer grades of coal, such as dust or powdered coal, lump coal is typically used for various industrial applications and heating purposes. Its size and density make it particularly suitable for use in coal stoves and furnaces, where it can burn more slowly and produce a steady heat output.The history of lump coal dates back to the early days of industrialization when coal became a primary source of energy for steam engines, factories, and households. It was during this time that the demand for high-quality coal increased significantly. Miners began to extract larger chunks of coal from the earth, leading to the production of lump coal. This type of coal was favored because it could be easily handled and transported, making it a preferred choice for both domestic and commercial use.One of the advantages of using lump coal is its ability to produce a higher heat output compared to other forms of coal. This is particularly important for industries that require consistent and efficient heating processes. For instance, steel manufacturing relies heavily on the use of lump coal in blast furnaces, where it is used to produce the high temperatures necessary for smelting iron ore. The combustion properties of lump coal allow it to sustain longer burn times, which is essential for maintaining the required temperatures in these industrial processes.In addition to its use in industry, lump coal has also been a popular choice for residential heating. Many homeowners prefer lump coal for their stoves and fireplaces because it burns more steadily than smaller coal particles, providing a warm and cozy atmosphere during cold winter months. Furthermore, lump coal produces less smoke and ash compared to other forms of coal, making it a cleaner option for indoor heating.However, the use of lump coal is not without its challenges. Environmental concerns have arisen regarding the extraction and burning of coal in general. The mining process can lead to significant ecological disturbances, including habitat destruction and pollution. Additionally, burning coal releases carbon dioxide and other greenhouse gases into the atmosphere, contributing to climate change. As a result, there has been a growing movement towards finding alternative energy sources that are more sustainable and environmentally friendly.In recent years, the popularity of lump coal has declined as renewable energy sources such as solar, wind, and hydroelectric power have gained traction. These alternatives offer cleaner and more sustainable options for energy generation, reducing the reliance on fossil fuels like coal. Nevertheless, lump coal still holds a place in certain industries and regions, especially where access to alternative energy sources is limited.In conclusion, lump coal plays a significant role in both industrial and residential heating applications. Its unique properties make it a valuable resource, but the environmental impact of coal mining and combustion cannot be overlooked. As society moves towards a more sustainable future, the challenge will be to balance the use of lump coal with the need to protect our planet for future generations.

块煤，中文称为块煤，是一种以其较大尺寸和固体形态为特征的煤。与细颗粒煤（如煤尘或粉煤）不同，块煤通常用于各种工业应用和供热目的。其大小和密度使其特别适合在煤炉和熔炉中使用，在这些地方它可以更慢地燃烧并产生稳定的热输出。块煤的历史可以追溯到工业化早期，当时煤成为蒸汽机、工厂和家庭的主要能源来源。在这一时期，对高质量煤的需求显著增加。矿工们开始从地下开采较大的煤块，从而导致了块煤的生产。这种类型的煤因其易于处理和运输而受到青睐，成为家庭和商业用途的首选。使用块煤的一个优点是其能够产生比其他形式的煤更高的热输出。这对于需要一致和高效加热过程的工业尤为重要。例如，钢铁制造业在高炉中严重依赖块煤，在这里它被用来产生冶炼铁矿石所需的高温。块煤的燃烧特性使其能够维持更长的燃烧时间，这对于维持这些工业过程中的所需温度至关重要。除了在工业中的应用外，块煤也一直是居民供暖的热门选择。许多房主更喜欢在他们的炉子和壁炉中使用块煤，因为它比较小的煤颗粒燃烧得更稳定，能够在寒冷的冬季提供温暖舒适的环境。此外，与其他形式的煤相比，块煤产生的烟雾和灰烬更少，使其成为室内供暖的更清洁选择。然而，使用块煤并非没有挑战。关于煤的开采和燃烧的环境问题逐渐引起关注。开采过程可能导致显著的生态干扰，包括栖息地破坏和污染。此外，燃烧煤会向大气释放二氧化碳和其他温室气体，导致气候变化。因此，越来越多的人开始寻找更可持续和环保的替代能源。近年来，随着太阳能、风能和水电等可再生能源的兴起，块煤的受欢迎程度有所下降。这些替代能源提供了更清洁和更可持续的能源生成选项，减少了对煤等化石燃料的依赖。然而，块煤在某些行业和地区仍然占有一席之地，尤其是在可替代能源有限的地方。总之，块煤在工业和住宅供暖应用中发挥着重要作用。其独特的属性使其成为一种有价值的资源，但煤矿开采和燃烧对环境的影响不容忽视。随着社会朝着更加可持续的未来发展，挑战将是如何平衡使用块煤与保护我们星球的需要，以便为后代创造更好的环境。