Heating furnace heat efficiency dynamic operation calculating method

The invention relates to the technical field of oil field heating device heat efficiency, in particular to a heating furnace heat efficiency dynamic operation calculating method. The method includes the steps of determining the relation of temperature rise and efficiency of a heating furnace, determining the relation of exhaust smoke temperature and efficiency of the heating furnace, determining the relation of load efficiency and efficiency of the heating furnace, and establishing a heat efficiency control plate of the heating furnace. By means of the calculating method, by drawing the heat efficiency control plate of the heating furnace, through data directly recorded on site, the operation state of the heating furnace can be visually reflected, the operation working conditions of the heating furnace are diagnosed, and the optimized operation of the heating furnace is guided. 本发明涉及油田加热设备热效率技术领域，特别涉及种加热炉热效率动态运行计算方法。该步骤包括确定加热炉温升与效率关系；确定加热炉排烟温度与效率关系；确定加热炉负荷率与效率关系；建立加热炉热效率控制图版。本发明提供的计算方法通过绘制加热炉热效率控制图版，通过现场直接录取的