When working on a project to replace steam heating with hot water heating, how should one determine whether the existing steam pipelines can still be used?
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If I want to change the steam heating system in the factory area to hot water heating, how should I determine whether the existing steam pipelines can still be used, and how do I calculate the heat loss?
The temperature and pressure of the hot water should not exceed those of the original pipeline system; it is necessary to check whether the pipe diameter meets the requirements for the hot water flow rate. As for the heat dissipation amount, you can refer to the standard «GBT 8174-2008 Testing and Evaluation of the Insulation Performance of Equipment and Pipelines»
This is for heat tracing, and it needs to be calculated based on the heat exchanger, taking into account the heat transfer efficiency. If hot water is used, the temperature of the medium cannot be allowed to be that high