采油率是衡量炉型的一个重要指标,因为它决定了产品的成本及原料的消耗定额。鲁奇炉属于內热的方型三段炉,所以它具备了炉料分布均匀、加热均匀和油气无回流裂化、无燃烧等优点,因而采油率较高,并且炼不同原料时稳定可靠。本车间几年来采油率变化曲线见下图。由图中可见,短短的四年期间,鲁奇炉采油率的提高是很迅速的,至1959年9月上 Oil recovery rate is a measure of the furnace as an important indicator, because it determines the cost of the product and the consumption of raw materials fixed. Lurgi furnace belongs to the inner heat of the square three furnace, so it has a uniform distribution of charge, uniform heating and no reflux cracking of oil and gas, no combustion, etc., and thus higher oil recovery, and refining different raw materials stable and reliable. The workshop in the past few years yield curve shown below. It can be seen from the figure that in a short period of four years, the increase in the oil recovery rate of the Ruichi furnace is very rapid, and by September 1959