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一、概述最近几年,为了节约能源,我国大部分炼油厂都在催化装置中陆续安装了烟气轮机。烟气轮机靠入口烟道把再生器排出的高温废烟气引入机内,冲动转子做功,从而带动主风机组工作。其做功后的废烟气再通过出口烟道送到废热锅炉再利用。由于烟气轮机工作温度较高,而且是一种体积小、重量轻、转速较高、功率较大、装配精度和安装质量要求严格的转动式动力机(主要技术参数见表1),所以烟气轮机对其出入口烟道的设置也有较严格的要求。
First, an overview In recent years, in order to save energy, most of our refineries are gradually installed in the catalytic converter flue gas turbine. The flue gas turbine relies on the inlet chimney to introduce the high temperature exhaust gas discharged from the regenerator into the machine, impulsively rotating the rotor to work, thereby leading the main fan unit to work. After its work, the waste flue gas is sent to the waste heat boiler for reuse through the exit flue. As the flue gas turbine working temperature is high, but also a small size, light weight, high speed, high power, precision assembly and rigorous installation quality of the rotary power machine (main technical parameters in Table 1), so the flue gas The turbine also has more stringent requirements on the setting of its entrance and exit flue.