double-reheat steam turbine

简明释义

二次再热式汽轮机

英英释义

A double-reheat steam turbine is a type of steam turbine that utilizes two stages of reheating to improve thermal efficiency and power output by reheating the steam after it has expanded in the high-pressure section before it enters the low-pressure section.

双再热蒸汽轮机是一种蒸汽轮机,利用两个再热阶段来提高热效率和功率输出,通过在高压部分扩展后对蒸汽进行再加热,然后再进入低压部分。

例句

1.Engineers are conducting tests on the double-reheat steam turbine (双再热蒸汽涡轮) to optimize its performance.

工程师正在对双再热蒸汽涡轮进行测试,以优化其性能。

2.The efficiency of the new power plant is significantly improved by using a double-reheat steam turbine (双再热蒸汽涡轮).

新电厂的效率通过使用双再热蒸汽涡轮显著提高。

3.The double-reheat steam turbine (双再热蒸汽涡轮) system allows for higher thermal efficiency in power generation.

双再热蒸汽涡轮系统允许在发电中实现更高的热效率。

4.The design of the double-reheat steam turbine (双再热蒸汽涡轮) minimizes energy losses during operation.

双再热蒸汽涡轮的设计最小化了操作过程中的能量损失。

5.A double-reheat steam turbine (双再热蒸汽涡轮) can achieve up to 45% efficiency under optimal conditions.

双再热蒸汽涡轮在最佳条件下可以达到高达45%的效率。

作文

The concept of a double-reheat steam turbine is pivotal in the field of thermal power generation. This advanced technology enhances the efficiency of steam turbines, which are essential for converting thermal energy into mechanical energy. In essence, a double-reheat steam turbine operates by allowing steam to undergo two heating processes before it expands through the turbine stages. This innovative approach not only maximizes the thermal efficiency but also reduces the moisture content of the steam when it enters the turbine blades, thereby minimizing erosion and improving overall performance.To understand the significance of a double-reheat steam turbine, we must first explore the basic operation of a steam turbine. Traditional steam turbines typically operate on a single reheat cycle, where steam is generated in a boiler, expanded through the turbine to produce work, and then reheated before being sent through the turbine again. However, this single reheat process has its limitations, particularly in terms of efficiency at higher temperatures and pressures.The introduction of the double-reheat steam turbine addresses these limitations effectively. By incorporating two reheating stages, the system can achieve higher thermal efficiencies, especially in large-scale power plants. The first reheat stage occurs after the initial expansion of the steam, allowing it to regain some of its thermal energy before entering the second set of turbine blades. This second heating phase further enhances the steam's temperature and pressure, leading to a more significant energy conversion.Moreover, the double-reheat steam turbine contributes to environmental sustainability. By optimizing the steam cycle, power plants can reduce fuel consumption and lower greenhouse gas emissions. This aligns with global efforts to transition towards cleaner energy sources and improve the overall efficiency of fossil fuel-based power generation.In practical applications, many modern power plants utilize double-reheat steam turbines due to their superior performance metrics. They are particularly advantageous in combined cycle power plants, where they work in tandem with gas turbines to maximize output and efficiency. The integration of these systems results in a more reliable and efficient energy generation process, capable of meeting the increasing demands for electricity worldwide.Furthermore, advancements in materials and engineering have led to the development of more robust and durable components for double-reheat steam turbines. These improvements allow for higher operating temperatures and pressures, which are crucial for achieving optimal performance. As a result, manufacturers and engineers are continually exploring new designs and technologies to enhance the capabilities of these turbines.In conclusion, the double-reheat steam turbine represents a significant advancement in steam turbine technology, offering improved efficiency, reduced emissions, and enhanced performance. As the energy sector continues to evolve, the adoption of such innovative technologies will play a critical role in shaping the future of power generation. Understanding the mechanics and advantages of double-reheat steam turbines is essential for professionals in the field, as it lays the groundwork for more sustainable and efficient energy solutions that are vital in today’s world.

双再热蒸汽涡轮的概念在热能发电领域至关重要。这项先进技术提高了蒸汽涡轮的效率,而蒸汽涡轮是将热能转化为机械能的重要设备。简而言之,双再热蒸汽涡轮通过允许蒸汽在进入涡轮阶段之前经历两个加热过程来运作。这种创新的方法不仅最大化了热效率,还减少了蒸汽进入涡轮叶片时的水分含量,从而最小化侵蚀并改善整体性能。要理解双再热蒸汽涡轮的重要性,我们必须首先探讨蒸汽涡轮的基本操作。传统的蒸汽涡轮通常在单一再热循环中运行,其中蒸汽在锅炉中生成,经过涡轮扩展以产生功率,然后在送入涡轮之前被再加热。然而,这一单一再热过程存在局限性,特别是在高温和高压下的效率问题。双再热蒸汽涡轮的引入有效地解决了这些局限性。通过引入两个再热阶段,该系统可以在大型发电厂中实现更高的热效率。第一个再热阶段发生在蒸汽初次扩展后,使其在进入第二组涡轮叶片之前重新获得部分热能。这个第二个加热阶段进一步提高了蒸汽的温度和压力,从而导致更显著的能量转换。此外,双再热蒸汽涡轮有助于环境可持续性。通过优化蒸汽循环,发电厂可以减少燃料消耗并降低温室气体排放。这与全球向更清洁能源转型及提高化石燃料发电整体效率的努力相一致。在实际应用中,许多现代发电厂由于其卓越的性能指标而采用双再热蒸汽涡轮。它们在联合循环发电厂中特别有利,在这些发电厂中,它们与燃气涡轮协同工作,以最大化输出和效率。这些系统的集成使得能量生成过程更加可靠和高效,能够满足全球日益增长的电力需求。此外,材料和工程的进步导致了更强大和耐用的双再热蒸汽涡轮组件的发展。这些改进允许更高的操作温度和压力,这对实现最佳性能至关重要。因此,制造商和工程师不断探索新设计和技术,以增强这些涡轮的能力。总之,双再热蒸汽涡轮代表了蒸汽涡轮技术的重大进步,提供了更高的效率、降低的排放和增强的性能。随着能源行业的不断发展,采用此类创新技术将在塑造未来发电方面发挥关键作用。理解双再热蒸汽涡轮的机制和优势对于该领域的专业人士至关重要,因为这为今天世界所需的更可持续和高效的能源解决方案奠定了基础。

相关单词

steam

steam详解:怎么读、什么意思、用法

turbine

turbine详解:怎么读、什么意思、用法