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Cleanroom HVAC and Air Handling Equipment
Dry-Room Dehumidification System
An integrated high-recirculation air-treatment system that controls the complete moisture balance of a production dry room, including infiltration, occupants and process exhaust replacement.
- Room-Wide Moisture Balance
- High Recirculation Airflow
- Dedicated Infiltration Control
- Integrated Temperature Reset
Product Introduction
The dry-room dehumidification system is sized around the room envelope, personnel traffic, process exhaust and material transfer rather than a single equipment outlet. It combines filtered return-air recirculation, a low-dew-point desiccant section, outdoor-air treatment, cooling and final temperature reset. Supply and return dew-point sensors feed a central controller that preserves stable room conditions while airlocks and exhaust points introduce changing moisture loads.
Key Features
Separate make-up and return-air paths let the controller treat humid infiltration more aggressively than already dry recirculated air.
Multiple fan and coil sections can be arranged for service continuity without stopping the entire dry-room airflow.
Return-air dew-point measurement represents the room moisture condition and prevents misleading control from an unusually dry supply sample.
Customer Product Concerns
A dry room behaves as a complete moisture-control envelope, so equipment selection must address people, openings, exhaust and surface leakage together.
The supply air reaches its target but the occupied room dew point rises near doors and workstations.High-volume recirculation and distributed supply-return placement sweep local moisture back to the central drying system.
Process exhaust removes conditioned air and pulls humid building air through the envelope.Metered ultra-dry make-up air offsets exhaust while room-pressure control limits uncontrolled infiltration.
A planned filter or fan service event threatens to stop moisture-sensitive production.Parallel fans, isolated filter banks and sectional dampers allow selected components to be maintained while the remaining path operates.
Extremely dry supply air carries excess sensible heat from rotor regeneration and fan power.Dedicated aftercooling and staged chilled-water control remove process heat without adding moisture back to the airstream.
Typical Applications
Lithium-ion cell manufacturing dry roomsBattery electrolyte preparation and fillingMoisture-reactive chemical packagingAdvanced battery research pilot linesHygroscopic pharmaceutical production rooms
Technical Parameters
Representative structural ranges for a central dry-room dehumidification and recirculation package are shown below.
| Core Material | Low-dew-point composite desiccant rotor with mineral-wool-insulated galvanized or stainless air-handling modules |
|---|---|
| Panel Thickness | 60-100 mm thermally broken double-skin panel construction |
| Effective Width | 2200-4800 mm nominal system module width |
| Maximum Length | Up to 12000 mm for combined recirculation drying cooling and fan sections |
| Steel Facing Thickness | 0.8-1.5 mm coated galvanized or stainless casing skins |
| Core Density | 60-100 kg/m³ typical high-density mineral-wool panel insulation |
| Thermal Conductivity | Approximately 0.035-0.043 W/(m·K) for high-density mineral-wool panel insulation |
| Surface Finish | Blue powder-coated exterior with smooth galvanized or 304 stainless internal air surfaces |
| Joint Type | Bolted gasketed modules with thermally broken frames, low-leakage dampers and sealed duct flanges |
| Customization | Available based on the intended application and operating environment. |
Available Options
Duty-standby process fans and isolated filter banksAir-cooled DX or chilled-water temperature-control sectionsElectric steam or gas reactivation with heat recoveryRoom pressure dew-point and energy monitoring through a central PLC
Planning a Dry-Room Dehumidification System specification?
Send us your dimensions, installation conditions, performance targets and required surface finish.
