One question per day: Methanol and purification technology forum version, 20191026
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Some tips on turbine barring: Before starting a turbine, continuous barring should be carried out for more than 4 hours; in special cases, this period should not be less than 2 hours. For hot-starting, the barring time must be at least 4 hours. If the barring is interrupted during this process, the timing must be started over again.
Sometimes you also need to consider its heating time