During the first temperature increase in the hydrogenation process, the temperature should be below 60°, and the pressure in the upstream system should not exceed 4 MPa
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For the first temperature increase in the hydrogenation reactor, it should be below 60°, with the pressure in the upstream system not exceeding 4 MPa; for the next increase, the temperature should be below 93°, again with the pressure in the upstream system not exceeding 4 MPa. Where does the basis for this data come from? Is there anything specified in that standard? I ask the master for guidance
Should the title read: First use of the hydrogenation reactor, with the wall temperature below 60° and the system pressure not exceeding 4 MPa; after use, the wall temperature is below 93° and the system pressure remains not exceeding 4 MPa. Where does the basis for this data come from? Is there anything specified in that standard? These are the properties of 1.25 chromium-molybdenum steel; the technology was introduced from abroad, and domestic standards are not specified.
Does it refer to the temper brittleness of austenitic stainless steel?
Yeah, the master is really amazing. It’s specified in that standard