(Daily Question) Coal-to-oil and olefins forum, April 1, 2018
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3.jpg Participation: Prize of 5 Wealth； Correct answer: Reward of 10 wealth points ； Note: This post is valid for 48 hours. Question: (DMTO) Olefin separation unit: After the propylene refrigeration compressor shuts down urgently, it is necessary to open ( ) to drain condensate. (1) Drain line for 4.0 MPa steam inlet pipeline; (2) Drain line for the turbine casing; (3) Drain line in front of the TTV valve and drain line for the TTV valve body; (4) Drain line for the extraction steam pipeline; (5) Disconnect the two valves of the silencer. Note: The answers will be announced automatically in two days!
Main steam valve drain, steam inlet line drain, extraction line drain, turbine casing drain.
Main steam valve drain, steam inlet line drain, extraction line drain, turbine casing drain.
(1) Drain line for 4.0 MPa steam inlet pipeline; (2) Drain line for the turbine casing; (3) Drain line in front of the TTV valve and drain line for the TTV valve body; (4) Drain line for the extraction steam pipeline; (5) Two valves leading to the silencer
Main steam valve drain, steam inlet line drain, extraction line drain, turbine casing drain
Main steam valve drain, steam inlet line drain, extraction line drain, turbine casing drain
Open all drain valves and steam vent valves at the inlet section, as well as the exhaust valves and drain valves.
After an emergency shutdown of the propylene refrigeration compressor, it is necessary to open the (low-point drain) to remove condensate.