Heating IR Lamps Without Blowing Things Up
If you’re putting infrared lamps over chemical cleaning baths, you’ve probably already thought about the worst-case scenario. You’re dealing with VOCs and flammable vapors. One tiny spark or an exposed element, and you’ve got a massive problem on your hands. We handle this by pairing high-reflectivity aluminum housing with some pretty serious hermetic sealing. Getting the heat where it actually belongs Here’s the thing: an IR lamp naturally throws heat in every single direction. In a chemical zone, that’s a waste of energy—and it’s dangerous. You don’t want to be heating up the machine frame or the air around the tank. We use deep-draw aluminum reflectors to push that radiation straight down onto the workpiece. We stick with aluminum because it doesn’t warp under the heat and it can take a beating from the corrosive fumes you find in cleaning lines. Plus, by focusing the beam, the outside of the housing stays cooler. That keeps you way below the flash point of the chemicals nearby. Locking out the danger Most standard lamps leave the electrical connections just… hanging there. That’s a huge no-go in an explosive atmosphere. We use a specific encapsulation method to seal the ends of the lamp. It basically creates a wall so flammable vapors can’t sneak into the housing and ignite. Throw in some high-temperature gaskets and sealed conduits, and your electrical path is completely cut off from the air. The trade-offs (because nothing is perfect) Now, this kind of protection comes with a few catches. First, the lamp head is bulkier. It’s got a larger footprint than your typical open-air heater, so make sure you have the room. Second, because the lamp is sealed up tight, it can’t “breathe” as easily. Heat builds up inside. If you’re running these 24/7, you can’t skimp on your cooling fans or ventilation. If the airflow is too weak, the internal temp will spike and you’ll burn through your lamps a lot faster than you’d like.