cogeneration

简明释义

英[ˌkəʊdʒenəˈreɪʃən]美[koʊˌdʒenəˈreɪʃn]

n. 废热发电（利用废气热能发电）

英英释义

单词用法

同义词

反义词

例句

1.As a cogeneration places listed companies, the company derives its revenue principally from electricity and heat.

作为一家地方热电联产上市公司，公司主要收入来自电力和热力。

2.Analyzes delicately the causes for serious coking and high fume temperature existing of 3 boilers in Yinchuan Cogeneration Power Plant, puts forward the change project.

针对银川热电厂3台锅炉存在的严重结焦与排烟温度高等问题的原因，进行了详细分析并提出了改造方案。

3.By using cycle function method, economy performances model for Cogeneration turbine are established and effect of saving energy is evaluated in this paper.

探讨利用循环函数方法建立热电厂的分项经济指标并评价热电联产的节能效果。

4.There has been a close connection between power load and heating load. Heat electricity cogeneration can achieve energy saving and improve environmental quality.

电力负荷与供热负荷紧密相关，热电联产有利于节能和改善环境质量。

5.On the situation of energy short, it is important to research gas engine cogeneration unit and its control system.

在我国能源日益紧张的情况下，研究燃气发动机热电联产机组及其控制系统对于提高能源利用率具有重要意义。

6.An energy and exergy analysis shows that the overall fuel utilization efficiency of the proposed cogeneration system is more than 86%.

能量平衡和火用分析结果表明，该系统的燃料利用率可达86%以上。

7.The facts have proved that the cogeneration for only supplying heating hasn't any economic benefit and increases the local environmental pollution.

事实证明，仅用于采暖供热的热电联产不仅毫无经济性可言，而且增加了当地的环境污染。

8.The system has strong adaptability to user's load and has advantage in runningcharge and primary efficiency comparing with cogeneration system based on simple cycle.

与以简单循环燃机为主机的联供系统相比，前者在运行费用、一次能源利用效率方面具有优势。

9.In the calculation of optimal dispatch for a thermal system, the model built by the conventional method for power-heat cogeneration steam turbines is of poor accuracy.

在热力系统优化调度计算中，采用常规方法所建立的热电联供汽轮机模型通常精度较差。

10.The benefits of cogeneration include increased overall efficiency and reduced energy costs.

热电联产的好处包括整体效率的提高和能源成本的降低。

11.The factory implemented a new system for cogeneration to improve energy efficiency.

这家工厂实施了一种新系统进行热电联产以提高能效。

12.By utilizing cogeneration, the university can supply both heat and electricity from a single fuel source.

通过利用热电联产，大学可以从单一燃料源供应热量和电力。

13.Many industries are adopting cogeneration systems to cut down on operational costs.

许多行业正在采用热电联产系统以降低运营成本。

14.The city's new power plant focuses on cogeneration to reduce waste and lower emissions.

这座城市的新发电厂专注于热电联产以减少废物和降低排放。

作文

In today's world, where energy efficiency is becoming increasingly important, the concept of cogeneration (热电联产) has gained significant attention. Cogeneration refers to the simultaneous production of electricity and useful heat from the same energy source. This process not only maximizes the use of fuel but also greatly reduces greenhouse gas emissions, making it a sustainable alternative to traditional energy generation methods.The principle behind cogeneration is relatively simple. Instead of generating electricity and heat separately, which often leads to energy loss, cogeneration systems utilize the waste heat produced during electricity generation for heating purposes. For instance, a natural gas power plant can capture the heat that would otherwise be released into the atmosphere and use it to provide hot water or steam for industrial processes or district heating systems.One of the most significant advantages of cogeneration is its efficiency. Traditional power plants convert only about one-third of the energy in fuel into electricity, with the rest lost as waste heat. In contrast, cogeneration systems can achieve overall efficiencies of 80% or more, significantly reducing the amount of fuel needed to produce the same amount of energy. This not only lowers operating costs but also decreases dependency on fossil fuels, contributing to energy security.Moreover, cogeneration plays a crucial role in reducing carbon emissions. As countries strive to meet their climate goals, implementing cogeneration technologies can help mitigate the impact of energy production on the environment. By utilizing waste heat, cogeneration systems emit fewer pollutants compared to conventional power generation methods. This is particularly important in urban areas, where air quality is often compromised by emissions from power plants and other sources.The versatility of cogeneration systems allows them to be used in various applications. They can be implemented in large industrial facilities, commercial buildings, and even residential homes. For example, hospitals and universities often use cogeneration to meet their energy needs efficiently, ensuring a reliable supply of both electricity and heat. Additionally, cogeneration can be integrated with renewable energy sources, such as biomass or solar thermal systems, further enhancing sustainability.Despite its benefits, the widespread adoption of cogeneration faces some challenges. Initial capital costs can be high, and not all locations have access to the necessary infrastructure or resources to implement these systems effectively. However, with advancements in technology and increasing awareness of energy efficiency, more businesses and governments are investing in cogeneration solutions.In conclusion, cogeneration represents a promising approach to energy production that aligns with modern sustainability goals. By efficiently utilizing fuel and minimizing waste, cogeneration systems offer a viable path toward reducing energy costs and carbon emissions. As we continue to face the challenges of climate change and energy scarcity, embracing cogeneration could be a key strategy for a more sustainable future.

在当今世界，能源效率变得越来越重要，热电联产（cogeneration）这一概念引起了人们的广泛关注。热电联产是指利用同一能源源同时生产电力和有用热能。这一过程不仅最大限度地利用燃料，还大大减少温室气体排放，使其成为传统能源生产方法的可持续替代方案。热电联产的原理相对简单。与单独产生电力和热能（通常会导致能源损失）不同，热电联产系统利用在发电过程中产生的废热进行供热。例如，天然气发电厂可以捕获本来会释放到大气中的热量，并将其用于为工业过程或区域供热系统提供热水或蒸汽。热电联产的一个显著优势是其效率。传统发电厂将燃料中的能量仅约三分之一转化为电力，其余的则作为废热损失。相比之下，热电联产系统的整体效率可以达到80%或更高，从而显著减少生产相同能量所需的燃料量。这不仅降低了运营成本，还减少了对化石燃料的依赖，促进了能源安全。此外，热电联产在减少碳排放方面也发挥着关键作用。随着各国努力实现气候目标，实施热电联产技术可以帮助减轻能源生产对环境的影响。通过利用废热，热电联产系统的污染物排放量比传统发电方法要少。这在城市地区尤其重要，因为这些地方的空气质量常常受到发电厂和其他来源排放的影响。热电联产系统的多功能性使其可以用于各种应用。它们可以在大型工业设施、商业建筑甚至住宅中实施。例如，医院和大学经常使用热电联产来高效满足其能源需求，确保电力和热能的可靠供应。此外，热电联产还可以与可再生能源源（如生物质或太阳能热系统）集成，进一步增强可持续性。尽管有其优势，热电联产的广泛采用仍面临一些挑战。初始资本成本可能很高，并且并非所有地点都具备有效实施这些系统所需的基础设施或资源。然而，随着技术的进步和对能源效率认识的提高，越来越多的企业和政府正在投资于热电联产解决方案。总之，热电联产代表了一种与现代可持续发展目标相一致的能源生产前景。通过高效利用燃料和最小化废物，热电联产系统为降低能源成本和碳排放提供了一条可行的道路。在我们继续面临气候变化和能源短缺的挑战时，接受热电联产可能是通往更可持续未来的关键策略。