FUEL & CHEMICAL PROCESSES ›› 2020, Vol. 51 ›› Issue (3): 8-9.

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Replacement of electro-hydraulic damper in suction main under slight negative pressure for 7.63 m battery

Qian Hulin  Chen Yucun  Zhang Zenggui   

  1. General Coking Plant of Masteel Co.,Ltd.,Ma’anshan 243000,China
  • Online:2020-05-23 Published:2020-05-20

Abstract:

Driving shaft contort might happen due to mechanical fatigue caused by insufficient strength of the shaft,it would result in failure of the electro-hydraulic damper in suction main of 7.63 m battery,and it would even cause failure in crude gas pressure control system.The slight negative pressure method could ensure that the electro-hydraulic damper can be replaced in a safe manner with precondition of the oxygen content in the ETP staying at safe range.

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