+86 13206380520
Bridge-Specific Desiccant Wheel Dehumidifier
Bridge-specific desiccant wheel dehumidifier for large-span steel structures: rapid dehumidification to ultra-dry conditions in ~2 hours after sealing, continuous 24/7 operation with remote monitoring and alarms, prevents internal corrosion in box girders and towers, ensuring structural safety and extended bridge lifespan with simple, stable, low-maintenance design.
Category:
Air Dehumidification Equipment
key word:
This dedicated desiccant wheel dehumidifier is purpose-built for large-scale bridge structures, particularly long-span bridges with steel box girders, cable-stayed towers, or suspension systems crossing rivers, seas, or valleys. In these massive bridges, the hollow steel box girders and cable towers are exposed to ambient air for extended periods, making internal surfaces highly susceptible to corrosion from moisture accumulation. Over time, this rusting compromises structural integrity, creates safety risks, and significantly shortens the bridge's service life. The dehumidifier prevents this by maintaining consistently low-humidity conditions inside the enclosed steel cavities.
It utilizes a single desiccant wheel system equipped with a regeneration heating system, process fan, and regeneration fan, forming a fully independent, self-contained unit that requires no external auxiliary equipment—ready for installation and operation.
After sealing the access manholes or entry points on the bridge body, the unit can rapidly dehumidify the internal space, achieving an extremely dry environment within approximately 2 hours. Once the target dryness is reached, it maintains stable low-humidity conditions continuously, providing long-term protection against internal corrosion.
The system features a simple, robust structure with stable performance, capable of 24-hour continuous operation without interruption. It supports remote monitoring and real-time fault alarms via integrated controls, minimizing on-site maintenance needs and reducing overall operational costs.
Key advantages include fast initial dehumidification, reliable long-term humidity control, corrosion prevention for critical steel components, low maintenance requirements, and enhanced structural longevity for major bridges in humid or coastal environments.
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Phone
+86 13206380520
roy.gao@restalabfurniture.com
Contact Address
Building C-45, Liandong U Valley, Huaguan Road 869, Hi-Tech Development District, Qingdao City, Shandong Province, China
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