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洛阳氮肥厂为设计能力8万t／a的氨厂，其变换工段主要设备为2．8m饱和热水塔，3．2m变换炉。变换炉内分三段分别填装中变催化剂17m3（26t）、23m3（44t）和低变催化剂20m3（18t）。一、二段间采用冷激水串接气体加热器换热降温。二、三段间经换热器和水加热器降温。三段后经水
Luoyang nitrogen fertilizer plant for the design capacity of 80,000 t / a ammonia plant, the transformation of the main equipment for 2.8m saturated hot water tower, 3.2m converter. In the converter furnace, 17m3 (26t), 23m3 (44t) and 20m3 (18t) catalysts were respectively charged in three stages. One, two cold-water series using serial gas heater heat transfer cooling. Second and third paragraphs by the heat exchanger and water heater cooling. Three paragraphs after the water