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长期以来辽河油田一直采用蒸汽间接加热法为油品加热。这种加热方法的弊端是:①罐内加热盘管不仅设计、安装复杂,而且检修极为不便;②由于稠油粘度大,含杂质多,易沾粘,沉积在管外壁上,致使总传热系数下降,从而降低加热盘管的热效率;③加热盘管长期运行后钢管锈蚀严重,而且容易
For a long time, Liaohe Oilfield has been using steam indirect heating method for oil heating. The disadvantages of this heating method are as follows: (1) The heating coil in the tank is not only designed and complicated to install, but also extremely inconvenient to overhaul; (2) heavy oil has large viscosity and impurities and deposits on the outer wall of the tube, Coefficient decreases, thus reducing the heating efficiency of the heating coil; ③ heating coil after long-term corrosion of steel pipe serious, and easy