国外炼厂越来越多地采用防垢剂来保持加热炉炉管和换热器内表面的洁净,以提高传热效率。据报道,采用防垢剂能使常减压装置的开工周期延长一到两年。美国一炼厂蒸馏装置原来因换热器污垢只能运转一年,检修后注百万分之六的防垢剂后,在蒸馏装置整个运转周期中不必清扫换热器,换热器的清扫可以每隔四、五年进行一次。美国西海 Increasingly, foreign refineries use anti-fouling agents to keep the inner surfaces of the furnace tubes and heat exchangers clean, so as to improve the heat transfer efficiency. It has been reported that the use of anti-scaling agent can make the atmospheric pressure relief device operating cycle extended by one to two years. The United States, a refinery originally due to heat exchanger fouling device can only operate for one year, after maintenance 6 million parts of anti-fouling agent in the distillation unit throughout the operating cycle without having to clean the heat exchanger, heat exchanger cleaning It can be done every four or five years. Western United States