In the past decade, due to the rapid development of society, the importance of environmental protection and the shortage of energy, the state has paid more and more attention to energy conservation. With the further development of energy-saving work, all kinds of new energy-saving advanced furnace models are gradually improved, and new fire-resistant fiber and other high-quality insulation materials are used, so that the heat loss of furnace body is significantly reduced. Advanced combustion device is adopted to improve combustion efficiency, reduce incomplete combustion and make air-fuel ratio more reasonable.

　　但是，降低烟气热损失和回收烟气余热的技术进展缓慢。为了进一步提高窑炉的热效率，达到节能降耗的目的，烟气余热回收也是节能的重要途径。

　　However, the technology of reducing the heat loss of flue gas and recovering the residual heat of flue gas has made slow progress. In order to further improve the thermal efficiency of the kiln and achieve the purpose of energy saving and consumption reduction, flue gas waste heat recovery is also an important way of energy saving.

　　烟气是一般耗能设备浪费能量的主要途径，烟气余热回收主要是通过某种传热方法将烟气携带的热量转化为可用的热量。

　　Flue gas is the main way to waste energy in general energy consuming equipment. Flue gas waste heat recovery is mainly to convert the heat carried by flue gas into available heat through some heat transfer method.

　　一、瓦斯发电机组烟气余热回收方法

　　1、 Recovery method of waste heat from flue gas of gas generator set

　　烟气余热回收通常采用两种方法:一是对工件进行预热;第二种是使空气变暖以供燃烧。烟气预热工件需要占用较大的换热空间，这往往受到工作场所的限制(间歇式加热炉不能采用这种方法)。预热空气燃烧是一种较好的方法，一般配置在加热炉中，还可以增强燃烧，加快加热炉的升温速度，提高加热炉的热工性能。这既满足了工艺要求，又能取得显著的综合节能效果。

　　There are two methods for flue gas waste heat recovery: one is preheating the workpiece; the other is warming the air for combustion. The preheating of workpieces by flue gas needs to occupy a large heat exchange space, which is often limited by the workplace (this method cannot be used for intermittent heating furnace). Preheating air combustion is a better method, which is generally configured in the heating furnace. It can also enhance combustion, accelerate the heating speed of the heating furnace, and improve the thermal performance of the heating furnace. This not only meets the process requirements, but also achieves significant comprehensive energy saving effect.

　　二、其他回收烟气余热的方法:

　　2、 Other recovery methods of flue gas residual heat:

　　1. 余热回收装置(气水):热管余热回收装置是燃煤、石油、燃气锅炉的专用设备。安装在锅炉的烟口，回收烟气余热，加热生活用水或锅炉补水。

　　1. Waste heat recovery device (gas water): the heat pipe waste heat recovery device is a special equipment for coal, oil and gas boilers. It is installed at the flue gas port of the boiler to recover the residual heat of flue gas, heat domestic water or make-up water for the boiler.

　　2. 废热回收器(气-气)

　　2. Waste heat recovery device (gas gas)

　　热管余热回收装置是燃油、煤炭、燃气锅炉的专用设备。它安装在锅炉的烟道或烟道中，在回收烟气的余热后对空气进行加热。热风可作为锅炉燃烧和干燥的物料。余热回收装置出口烟气温度不得低于露点。

　　Heat pipe waste heat recovery device is a special equipment for oil, coal and gas boilers. It is installed in the flue or flue of the boiler to heat the air after the waste heat of the flue gas is recovered. Hot air can be used as materials for boiler combustion and drying. The flue gas temperature at the outlet of waste heat recovery device shall not be lower than the dew point.

　　以上是瓦斯发电机组厂家为大家介绍的相关内容，想要了解更多内容，欢迎访问网站：http://www.huannengpower.com

　　The above is the related content introduced by the manufacturer of gas generator set. For more information, please visit the website: http://www.huannengpower.com