waste heat

简明释义

废热

英英释义

例句

1.The factory installed a system to capture the waste heat from its machines to improve energy efficiency.

工厂安装了一个系统来捕获其机器产生的waste heat（废热），以提高能效。

2.Using waste heat from power plants can significantly reduce overall emissions.

利用发电厂的waste heat（废热）可以显著减少整体排放。

3.Industries are now looking for ways to recycle waste heat to save costs.

工业界现在正在寻找回收waste heat（废热）以节省成本的方法。

4.The district heating system uses waste heat from local factories to provide hot water to residents.

该区域供热系统利用来自当地工厂的waste heat（废热）为居民提供热水。

5.The new HVAC system utilizes waste heat to warm the building during winter.

新的暖通空调系统利用waste heat（废热）在冬季为建筑物供暖。

作文

In today's world, energy efficiency has become a crucial topic as we strive to reduce our carbon footprint and combat climate change. One significant aspect of energy efficiency is the management of waste heat, which refers to the thermal energy that is produced as a byproduct of various industrial processes, power generation, and even everyday activities such as driving a car or using electrical appliances. Understanding and utilizing waste heat can lead to substantial improvements in energy conservation and sustainability.The concept of waste heat is prevalent in many industries. For instance, in manufacturing, machines and equipment generate a considerable amount of heat during operation. This heat is often released into the environment, contributing to energy loss. However, with the right technologies and practices, we can capture this waste heat and repurpose it for other uses. For example, some factories have adopted heat recovery systems that collect waste heat from exhaust gases and use it to preheat incoming materials or to generate steam for additional processes. This not only enhances efficiency but also reduces the overall energy consumption of the facility.Similarly, in power plants, waste heat is generated during electricity production. Traditional power plants, especially those that burn fossil fuels, can be quite inefficient, with a significant portion of energy lost as waste heat. To address this issue, combined heat and power (CHP) systems have been developed. These systems simultaneously produce electricity and useful thermal energy from the same energy source, effectively utilizing the waste heat that would otherwise be lost. By implementing CHP systems, power plants can achieve efficiencies of over 80%, compared to the 30-50% typical of conventional plants.The benefits of recovering and utilizing waste heat extend beyond industrial applications. In residential settings, waste heat can also be harnessed. For instance, heat pumps can extract waste heat from the air or ground and use it for heating purposes in homes. This technology not only lowers heating costs but also decreases reliance on fossil fuels, contributing to a more sustainable energy future.Moreover, the implementation of waste heat recovery systems can lead to significant economic advantages. By reducing energy consumption, businesses can lower their operational costs. Additionally, governments and organizations are increasingly offering incentives for companies that invest in energy-efficient technologies, including those that focus on waste heat recovery. This creates a win-win situation where companies save money while also contributing to environmental sustainability.However, despite the clear benefits, there are still challenges to widespread adoption of waste heat recovery technologies. Initial investment costs can be high, and there may be technical barriers to implementation in certain facilities. Furthermore, not all processes generate sufficient waste heat to make recovery economically viable. Therefore, ongoing research and development are essential to create more efficient and cost-effective solutions for capturing and utilizing waste heat.In conclusion, waste heat represents a significant opportunity for improving energy efficiency and sustainability across various sectors. By understanding and harnessing this byproduct of energy use, we can reduce waste, lower costs, and contribute to a cleaner environment. As we continue to innovate and develop new technologies, the effective management of waste heat will play a vital role in our transition towards a more sustainable future.

在当今世界，能源效率已成为一个至关重要的话题，因为我们努力减少碳足迹并应对气候变化。能源效率的一个重要方面是对waste heat（废热）的管理，它指的是在各种工业过程、发电以及日常活动（例如驾驶汽车或使用电器）中产生的作为副产品的热能。理解和利用waste heat可以带来显著的能源节约和可持续性改善。waste heat的概念在许多行业中普遍存在。例如，在制造业中，机器和设备在操作过程中会产生大量热量。这些热量通常释放到环境中，导致能源损失。然而，通过正确的技术和实践，我们可以捕获这些waste heat并将其重新利用。例如，一些工厂采用热回收系统，从废气中收集waste heat，并用于预热进入的材料或为其他过程产生蒸汽。这不仅提高了效率，还减少了工厂的整体能源消耗。同样，在发电厂中，发电过程中也会产生waste heat。传统的发电厂，尤其是那些燃烧化石燃料的发电厂，可能相当低效，产生的能源中有很大一部分以waste heat的形式流失。为了解决这个问题，开发了联合热电（CHP）系统。这些系统同时从同一能源源产生电力和有用的热能，有效地利用了本来会被浪费的waste heat。通过实施CHP系统，发电厂的效率可以超过80%，而传统发电厂的效率通常在30%-50%之间。回收和利用waste heat的好处不仅限于工业应用。在住宅环境中，waste heat也可以被利用。例如，热泵可以从空气或地面提取waste heat，并用于家庭供暖。这项技术不仅降低了供暖成本，还减少了对化石燃料的依赖，有助于实现更可持续的能源未来。此外，实施waste heat回收系统还可以带来显著的经济优势。通过减少能源消耗，企业可以降低运营成本。此外，各国政府和组织越来越多地为投资于节能技术的公司提供激励措施，包括那些专注于waste heat回收的公司。这创造了一个双赢的局面，企业在节省资金的同时也为环境可持续性做出了贡献。然而，尽管有明显的好处，广泛采用waste heat回收技术仍面临挑战。初始投资成本可能很高，某些设施的实施可能存在技术障碍。此外，并非所有过程都产生足够的waste heat以使回收在经济上可行。因此，持续的研究和开发对于创造更高效和更具成本效益的解决方案以捕获和利用waste heat至关重要。总之，waste heat代表了改善各个部门能源效率和可持续性的重大机遇。通过理解和利用这一能源使用的副产品，我们可以减少浪费、降低成本，并为创造更清洁的环境做出贡献。随着我们继续创新和开发新技术，有效管理waste heat将在我们向更可持续的未来过渡中发挥重要作用。