combined cycle

简明释义

复合循环

英英释义

例句

1.Many modern gas plants are designed with a combined cycle 联合循环 configuration for better performance.

许多现代气体发电厂设计为联合循环配置，以获得更好的性能。

2.The new power plant utilizes a combined cycle 联合循环 system to improve efficiency.

新电厂采用了联合循环系统以提高效率。

3.By implementing a combined cycle 联合循环 approach, the company reduced its carbon emissions significantly.

通过实施联合循环方法，公司显著减少了碳排放。

4.The efficiency of a combined cycle 联合循环 system can exceed 60%.

联合循环系统的效率可以超过60%。

5.The combined cycle 联合循环 technology allows for higher energy output from the same amount of fuel.

联合循环技术可以在相同燃料量下实现更高的能量输出。

作文

The modern world is increasingly reliant on energy production to sustain its various activities. One of the most efficient methods of generating electricity is through a technology known as combined cycle. This innovative approach combines two different cycles of power generation, namely the gas turbine cycle and the steam cycle, to produce electricity more efficiently than traditional methods. In this essay, we will explore the workings of the combined cycle system, its benefits, and its significance in today's energy landscape.At the heart of the combined cycle technology is the gas turbine, which operates by burning natural gas or other fuels to create hot gases that spin a turbine. This process generates electricity directly from the turbine. However, the efficiency of this method can be limited because a significant amount of heat generated during combustion is wasted. This is where the steam cycle comes into play. In a combined cycle system, the hot exhaust gases from the gas turbine are not released into the atmosphere. Instead, they are directed to a heat recovery steam generator (HRSG), where the heat is used to produce steam. This steam then drives a steam turbine, which generates additional electricity. By utilizing the waste heat from the gas turbine, the combined cycle process can achieve efficiencies of over 60%, significantly higher than that of traditional single-cycle systems, which typically operate at around 33% efficiency.The environmental benefits of combined cycle plants are also noteworthy. Since they burn cleaner natural gas, they emit fewer greenhouse gases compared to coal-fired power plants. Furthermore, the increased efficiency means that less fuel is required to generate the same amount of electricity, leading to lower emissions overall. As countries strive to reduce their carbon footprints and transition to cleaner energy sources, combined cycle technology presents a viable solution.In addition to environmental advantages, combined cycle plants are also economically beneficial. They require less fuel to produce electricity, which can lead to lower energy costs for consumers. Moreover, the ability to generate electricity from both gas and steam turbines allows for greater flexibility in energy production, making it easier to respond to fluctuations in demand. This adaptability is crucial in today’s energy market, where renewable sources like wind and solar are becoming increasingly prevalent.Despite its many advantages, the implementation of combined cycle technology is not without challenges. The initial investment for constructing a combined cycle plant can be significant, and there may be technical hurdles to overcome in integrating it with existing infrastructure. Additionally, while natural gas is cleaner than coal, it is still a fossil fuel, and its extraction and transportation can have environmental impacts.In conclusion, the combined cycle technology represents a significant advancement in the field of energy production. By harnessing the waste heat from gas turbines to drive steam turbines, it offers a more efficient and environmentally friendly way to generate electricity. As the world continues to grapple with the challenges of climate change and energy sustainability, the role of combined cycle systems will undoubtedly become increasingly important. Investing in this technology could pave the way for a cleaner, more efficient energy future, benefiting both the economy and the environment.

现代世界越来越依赖能源生产来维持其各种活动。发电的最有效方法之一是通过一种称为联合循环的技术。这种创新的方法结合了两种不同的发电循环，即燃气轮机循环和蒸汽循环，以比传统方法更高效地生产电力。在这篇文章中，我们将探讨联合循环系统的工作原理、其好处以及在当今能源格局中的重要性。联合循环技术的核心是燃气轮机，其通过燃烧天然气或其他燃料产生热气体来旋转涡轮。这一过程直接从涡轮生成电力。然而，这种方法的效率可能受到限制，因为在燃烧过程中产生的大量热量被浪费了。这就是蒸汽循环发挥作用的地方。在联合循环系统中，燃气轮机的热废气不会释放到大气中。相反，它们被引导到热回收蒸汽发生器（HRSG），在这里热量被用来产生蒸汽。这些蒸汽然后驱动蒸汽涡轮，进一步生成电力。通过利用燃气轮机的废热，联合循环过程可以实现超过60%的效率，显著高于传统单循环系统通常约33%的效率。联合循环电厂的环境效益同样值得注意。由于它们燃烧更清洁的天然气，与燃煤电厂相比，它们排放的温室气体更少。此外，效率的提高意味着产生相同数量的电力所需的燃料更少，从而总体上减少排放。随着各国努力减少碳足迹并过渡到更清洁的能源来源，联合循环技术提供了一种可行的解决方案。除了环境优势外，联合循环电厂在经济上也具有优势。它们产生电力所需的燃料更少，这可能导致消费者的能源成本降低。此外，能够同时从燃气涡轮和蒸汽涡轮生成电力，使得能源生产更加灵活，更容易应对需求波动。这种适应性在当今的能源市场中至关重要，尤其是风能和太阳能等可再生能源日益普及的情况下。尽管有许多优势，实施联合循环技术并非没有挑战。建设联合循环电厂的初始投资可能很大，并且在与现有基础设施整合时可能会面临技术障碍。此外，虽然天然气比煤炭更清洁，但它仍然是一种化石燃料，其开采和运输可能会对环境产生影响。总之，联合循环技术代表了能源生产领域的重要进步。通过利用燃气轮机的废热来驱动蒸汽涡轮，它提供了一种更高效、更环保的发电方式。随着世界继续应对气候变化和能源可持续性的挑战，联合循环系统的作用无疑将变得越来越重要。投资这一技术可能为更清洁、更高效的能源未来铺平道路，既造福经济又保护环境。