When the outlet temperature of the finned tube is higher or lower than the standard value, you should check and find out whether the following situations have occurred: 1. The inlet temperature of the high-temperature exhaust has exceeded the allowable value or has dropped to an excessively low value. 2. Whether the flow rate of high temperature exhaust is over or under. 3. Whether the flow rate at the low temperature side is insufficient or excessive. 4. Whether there is dust accumulation in the fin tube.
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