3516E Generator Set Engine Caterpillar


Aftercooler - Two Stage Aftercooler

Usage:

3516E JH8


图 1g03723080
带箭头的虚线代表空气流向,而带箭头的实线代表冷却液流向。
(1) 空气滤清器
(2) 发动机
(3) 后冷器
(4) 涡轮增压器压缩机
(5) 独立回路后冷器 (SCAC) 节温器
(6) 涡轮增压器涡轮
(7) 水套水泵
(8) SCAC 水泵
(9) 散热器
(10) SCAC 热交换器

新鲜空气通过空气滤清器 (1) 吸入到涡轮增压器压缩机 (4) 中。 空气得到压缩,并且空气由于压缩而变热。 压缩空气流经后冷器 (3),压缩空气在此处由水套水和独立回路后冷器水的流动进行冷却。 经过冷却和压缩的空气密度变大,从而使发动机 (2) 能够燃烧更多的燃油,因此可提供更大的功率。 发动机的排气流过涡轮增压器涡轮机 (5),为驱动涡轮增压器压气机提供能量。

水套水泵 (6) 迫使部分冷却液流过发动机冷却液通道。 冷却液循环通过发动机,从而完成发动机与冷却液间的换热。 分流缸体出口冷却液流,节流孔迫使部分冷却液直接流入节温器,剩余的冷却液流入后冷器顶部的芯,高温压缩空气与冷却液在此处交换热量。 然后,冷却液流入节温器壳体,与其他缸体出口冷却液汇合。 来自风扇的空气吹过散热器 (9),对冷却液进行冷却。 冷却液通过水泵抽回。

然后,压缩空气穿过与 SCAC 水交换热量的两个附加芯,再流入进气歧管。 SCAC 水从 SCAC 水泵 (8) 流入后冷器的下部,然后分流。 SCAC 水流经下部芯的中央,在后冷却器壳体内循环,然后流入中间芯,从中心流出。 SCAC 水进入 SCAC 节温器 (5),既不引入热交换器 (10) 也不旁通回 SCAC 水泵。

Caterpillar Information System:

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