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["Как определить количество холодного водорода,", "Большое спасио Hai友, пожалуйста,", "К冷氢量根据床层温度、产品质量、温升、催化剂活性强弱、","冷氢量根据床层温度、产品质量、温升、催化剂活性强弱、催化剂的长周期运行运行只要产品能合格运行床层温度越低越好。加氢精制冷氢一般不开运行加氢裂化和加氢改质一般开冷氢" "Регулирование кол количества холодного водорода имеют два способа: один способ заключается в регулированиие количестве холодного водорода,"

2020-06-30View Original

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万能的海友,加氢反应器补充的冷氢的量如何确定?希望知道的海友不吝赐教!
Reply #22020-07-07
冷氢量根据床层温度、产品质量、温升、催化剂活性强弱、催化剂的长周期运行确定,只要产品能合格,床层温度越低越好。加氢精制的冷氢一般不开,加氢裂化和加氢改质一般开冷氢
Reply #32020-07-07
冷氢量根据床层温度、产品质量、温升、催化剂活性强弱、催化剂的长周期运行确定,只要产品能合格,床层温度越低越好。加氢精制的冷氢一般不开,加氢裂化和加氢改质一般开冷氢
Reply #42020-07-27
冷氢的调节方式有两种:一种是通过调节每个床层入口的冷氢量,使得每个床层入口温度相同;另一种方式通过调节冷氢量,使得每个床层出口温度相同。在正常操作中应尽量保持各床层冷氢阀小于一定的开度以备急用。当床层温度急升时,首先加大冷氢量,再降低炉温。影响冷氢量大小的因素有:床层温升的变化、循环氢总流量的变化和反应进料加热炉出口温度的变化。

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