Sunday, September 11, 2022
问题:为什么危急保安器动作后,须待转速降下后才能复位?...
Tuesday, September 13, 2022
Tuesday, September 13, 2022
Sunday, September 11, 2022
Friday, February 10, 2023
问题:为何吸附工段一方面从D608、D605脱水,一方面又要从P609后注水?...
Tuesday, April 16, 2024
Sunday, September 11, 2022
Tuesday, March 14, 2023
Sunday, September 11, 2022
Friday, February 10, 2023
Sunday, September 11, 2022
问题:为什么吸附塔在充填工艺物料之前要进行真空泄漏,而不进行压力试验?真空如何得到?...
Wednesday, December 20, 2023
问题:塔顶空冷器与回流罐相连的排不凝气管线和压力平衡管线各有什么作用?...
Sunday, September 11, 2022
Sunday, September 11, 2022
Sunday, September 11, 2022
问题:电动机使用工频电源驱动时,电压下降则电流增加;对于变频器驱动,如果频率下降时电压也下降,那么电流是否增加?...
Friday, October 20, 2023
Sunday, September 11, 2022
问题:工业上是如何模拟吸附塔内的吸附剂与工艺物料之间形成逆流流动的?...
Sunday, September 11, 2022
问题:工艺介质为液体的水平管道上,垂直安装一套差压式流量测量系统,差压...
Sunday, September 11, 2022
Monday, January 22, 2024