Acid etched glass dryer

Fri, 26 Jun 2026 06:42:37 +0800

On the line, acid-etched glass comes out of the bath clean enough. But you can’t move it forward until the surface moisture is gone. If the dryer can’t keep up, you get water marks, then coating adhesion goes sideways, and inspection starts flagging rejects. We built our acid-etched glass dryer to take that guesswork out. It locks onto the critical drying window—right after etching, before coating or handling—so the glass hits the next step dry and stable. What matters under the hood We run a quartz short-wave infrared module because it heats fast and couples straight into the water film without overdriving the substrate. The heater array is laid out to give a uniform thermal field, which keeps local gradients from building up and inducing thermal stress. Controls are tuned for repeatable ramp and soak profiles, so you can hold the temperature band tight across thicknesses—from thin laminates up to thicker architectural lites. Power density is matched to line speed, and the unit drops into existing conveyor and exhaust ducting without a fight. Why it holds up in production Out on the floor, this dryer cuts the drying phase and lets you push higher throughput without spiking scrap. Uniform drying means evaporation doesn’t run hot and cold across the sheet, so the glass stays flat and avoids unwanted heat-induced bend. That translates into fewer reworks, cleaner coating results, and a more predictable feed into annealing or tempering. Energy use drops too, because the heater cycles on demand instead of running flat out, and the module is built to match the line’s uptime expectations. What to watch for on install and startup You need clearance for the irradiation zones and proper venting to pull humid air away from the glass surface. The heater performs best when the glass isn’t dragging heavy carryover chemicals; heavy residues shift emissivity and change drying time. Set exhaust capacity to match the evaporation load. If you don’t, condensation can drift back toward the glass and undo the whole drying step.

Etched on Electric Infrared Heating Lamps

Acid etched glass dryer