How to Remove Potassium Chloride Buildup from a Metal Nozzle?

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Potassium chloride (KCl) buildup on a metallic nozzle at temperatures above 750°C presents a challenge for removal. Dissolving KCl in warm water is ineffective at such high temperatures, and steam injection may offer a potential solution. The discussion raises questions about whether KCl is a byproduct of the process and if it can be removed before reaching high temperatures. The temperature and cycle time of the jet, as well as the specific industry context, are crucial for addressing the issue. Similar challenges are noted in molten salt baths used for heat treating metals, and cooling may help shed KCl if the nozzle's temperature coefficient differs from that of KCl.
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I have some problem with potassium choloride(KCl) which got stuck on metalic nozzle at high temp.(above 750C)

how could I get rid of KCl with minimum expense?

Plz help! thanks.
 
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Dissolve it in warm water.
 
Thanks. Baluncore.
While the process is in operation above 700℃, there is no way to dissolve KCl by water. Steam injection might help?
 
Is it a biproduct of the process, or can it be removied prior to being heated to 700 C?
 
The “got stuck” in the OP suggested the past tense.

What is the temperature and cycle time of the jet?
Is this an ongoing problem?
What industry?

Molten salt baths used for heat treating metals may have similar problems.

Welding flux is naturally released on cooling. If the metallic nozzle had a different temperature coefficient to KCl then it would shed the KCl as it cooled below 770°C.
 
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