Discuss the management of the heating pipelines for installations
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Managing the heat tracing wires on the equipment is also a quite troublesome task. Fellow colleagues from Sichuan, please share your methods and approaches for handling the heat tracing pipelines on the equipment!
Our heat tracing pipelines use steam, which is relatively safer, but it also presents problems; sometimes failures in the steam traps cause crystallization and blockages in the pipelines.
Keep proper records, clean the steam traps regularly, and blow out those that are no longer in use
Different methods of heat tracing require different approaches for management: those that use water, electricity, or steam
It can’t be cleaned even by blowing; all the bypass heaters that we stopped using last year got damaged by freezing, and they’re unusable when we need them
This post was last edited by Refiner on 2017-11-7 07:45. The flange was removed and cleaned with air; that’s all. Since there’s no water in the pipe, it should not get damaged by freezing.
Disassemble the flange and clean it with air; blow for a longer period of time, or blow while applying intermittent pressure
Sometimes, if the purging is not thorough, water can remain in the low points; even when the pipes are not fully filled, this can cause the pipes to freeze and get damaged
We have indeed encountered situations where insufficient water caused the pipes to freeze and get damaged, so we’re just afraid of what might happen!
For the management of heating systems in operation, the shift teams must conduct inspections during shift handovers; it is necessary to ensure that these systems function properly throughout the shift. In the event of abnormal freezing, the responsible team is tasked with resolving the issue within 5 working days before the system can be put back into use； The unused heat tracing flange is disconnected, nitrogen is used to purge any remaining water, and it is isolated with a blind flange. A check should be done once before winter sets in.