Long-distance liquid sulfur pipeline
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The long-distance liquid sulfur pipeline is approximately 2 KM long; there are no steam main lines along its route, so they need to be installed separately. Which is more reliable, steam tracing or electric tracing? In terms of investment, which one is more cost-effective?
Sulfur* is usually heated using steam, but electric heating should work just fine as well; we have used it on S-Zorb flue gas with very good results.
I have never used electric heat tracing and am not familiar with it. May I ask if the operation is simple? In the event of a failure in the electric heating system, how should the liquid sulfur pipeline be handled – does it need to be replaced entirely?
I seem to remember a paper that discussed this kind of long-distance application, where electric heating is a better option. . .
We use electric heat tracing here, with a transmission distance of around 10 KM. Electric heating works fine when it’s new, but if the insulation is not installed properly, water ingress can cause the wiring to age, which is quite troublesome! But from an operational perspective, electric heating is much simpler!
How long have you been using electric heat tracing? What phenomena occur when a circuit ages?
In a previous post, there were recommendations for Haiyou to take a look at; they were all experiences shared by those who came before! http://www.doc88.com/p-0426894010938.html
The materials shared upstairs are quite comprehensive. For electric heat tracing, it is recommended to divide it into several parallel zones, for example, one zone per 100 meters. Pay attention to insulation, waterproofing, and preventing electric leakage; electric heating makes maintenance difficult, as one has to remove the insulation to locate the fault point.
It is recommended to use jacketed steam heating; electric heating will result in poor heating performance over time； At the same time, steam can also be used as a heating medium, which is very good.
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