燃气发电机组的尾气余热利用目前燃料的能量只有约35%被发电机组转化为电能，约有30%随废气排出，25%被发动机冷却水带走，通过机身散发等其它损失约占10%左右，废气和换热器损失的功率比有用功还多。在我国，目前占燃气发动机燃料近55%热值的废气和冷却水余热资源基本上被白白浪费掉，发动机余热利用技术的就是来实现将原本白白浪费掉的热资源充分利用的系统。随着人民生活质量的提高，制冷和采暖越来越普及，能源消耗越来越大，同时发动机余热资源目前没有得到综合利用，燃油、燃气及电热锅炉和中央空调在广泛使用，消耗了大量能源。根据发动机余热利用现状，我公司发挥信息和技术优势，研制开发了国内第一套燃气机余热利用中央空调，用于金瑞事业部公司办公大楼和会议室的热电联供。在燃气机组发电的同时，以机组废气的热量为能源，烟气通过特制的热交换系统加热介质水，使水温达到规定温度，通过溴化锂冷水机组制冷或制热，通过风机盘管空调器给房间制冷或供热。

　　At present, only about 35% of the energy from the exhaust waste heat utilization of gas generator sets is converted into electrical energy by the generator sets. About 30% is discharged with the exhaust gas, 25% is taken away by the engine cooling water, and other losses such as emission through the body account for about 10%. The power loss from exhaust gas and heat exchangers is even greater than that from useful work. In China, the waste heat resources of exhaust gas and cooling water, which currently account for nearly 55% of the calorific value of gas engine fuel, are basically wasted. The technology of engine waste heat utilization is to achieve a system that fully utilizes the originally wasted heat resources. With the improvement of people's living standards, refrigeration and heating are becoming more and more popular, and energy consumption is increasing. At the same time, the waste heat resources of engines have not been comprehensively utilized. Fuel, gas, electric boilers, and central air conditioning are widely used, consuming a large amount of energy. Based on the current situation of engine waste heat utilization, our company has leveraged its information and technological advantages to develop the first gas turbine waste heat utilization central air conditioning system in China, which is used for combined heat and power supply in the office building and conference room of Jinrui Business Unit. At the same time as the gas turbine generates electricity, the heat from the exhaust gas of the unit is used as energy. The flue gas is heated by a specially designed heat exchange system to reach the specified temperature of the medium water, which is then cooled or heated by a lithium bromide chiller unit. The room is then cooled or heated by a fan coil air conditioner.

　　应用范围

　　Application scope

　　1、办公大楼、宾馆、商场的热电联供制冷、供热系统。

　　1. Thermal power combined cooling and heating systems for office buildings, hotels, and shopping malls.

　　2、利用燃气发电站余热资源为联合站加热原油。概括的来说，凡是需要热能并且已有机组或燃气资源丰富的地方都可以推广应用。

　　2. Utilize the waste heat resources of gas-fired power plants to heat crude oil for the joint station. In general, it can be promoted and applied in places that require thermal energy and have existing units or abundant gas resources.

　　发动机的废气余热利用在我国还是一个新兴的科技领域，是发展的必然趋势，我们还要不断学习国外在这方面的先进技术，提高水平，多与广大用户交流和学习，提高余热利用效率，扩大应用范围，以使其扩展到更宽的领域，更好的为用户服务，使用户达到收益最大化。

　　The utilization of waste heat from engine exhaust gas is still an emerging technology field in China and an inevitable trend of development. We need to continuously learn advanced foreign technologies in this field, improve our level, communicate and learn more from users, improve the efficiency of waste heat utilization, expand its application scope, and expand it to a wider range of fields, better serve users, and maximize their profits.

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