Engineered rotary systems and precision dry rooms built to deliver unmatched atmospheric stability under extreme ambient loads.
DHU series rotary desiccant units providing uninterrupted low-dew-point dry supply air where standard refrigeration systems fail.
Architectural enclosure, high-efficiency desiccant air handling units, airtight hermetic seals, and fully validated HVAC control.
Recovers critical N-Methyl-2-pyrrolidone solvent from high-temperature electrode coating lines, slashing plant overhead costs.
Advanced deep-cooling condensation and regenerative thermal oxidation to eliminate complex volatile airborne contaminants.
Direct-expansion commercial moisture condensing units engineered for warehouse protection and multi-stage desiccant pre-cooling.
Scalable, pre-engineered enclosures for rapid deployment in pilot lines, gigafactory expansions, and laboratory environments.
Dual-rotor cascade air dehumidification arrays delivering absolute moisture levels down to dew point -70°C without ice bridging.
Unified environmental systems combining moisture extraction, aerosol separation, and thermal hydrocarbon neutralizers.
Across modern advanced processing sectors, moisture control has graduated from basic facility climate comfort to a critical chemical tolerance boundary condition.
Lithium-ion cells, high-nickel cathodes, and solid-state battery electrolytes degrade immediately upon contact with minute airborne moisture, creating toxic Hydrofluoric Acid (HF). Modern gigafactories demand reliable supply air at dew point -50°C to -70°C running uninterrupted 24/7/365.
Hygroscopic API powder processing, gelatin capsule drying, and sterile blister packaging mandate sub-20% relative humidity. Uncontrolled moisture causes powder clumping, active ingredient hydrolysis, microbial proliferation, and immediate batch destruction.
Naval electronics, tactical avionics, and composite curing autoclaves operate under stringent GJB and MIL-STD compliance. Desiccant air drying eliminates micro-corrosion, delamination in structural composites, and propellant degradation during extended storage.
Photolithography masks, optical sensor fabrication, and wafer chemical vapor deposition require sub-micron aerosol control coupled with rigid dew-point stability to prevent wafer oxidization and parasitic surface charge buildup.
Founded in 2010 in Hangzhou Qingshan Industrial Park, DryAir has advanced to become a premier designer of rotary desiccant dehumidification equipment and complete turn-key dry room systems.
Our technical core includes 6 staff with Master's and Doctoral credentials, 2 National Registered HVAC Engineers, 8 Senior Equipment Specialists, and 58 certified installation technicians dedicated to psychrometric simulations.
Every unit is validated inside our full-scale testing center prior to crating. We maintain compliance with ISO 9001 quality systems and China's National Military Standard (GJB), guaranteeing factory performance guarantees.
Trusted on major production installations globally, including projects delivered for Tesla, Northvolt, CATL, ATL, BYD, EVE Energy, Farasis, Envision, SVOLT, and TTI.
Critical target thresholds by industrial operational zone to assist process engineers in preparing tender datasheets.
| Target Application | Operational Dew Point / RH | Primary Risk Factor | Recommended Technology |
|---|---|---|---|
| Lithium-ion Battery Assembly & Electrolyte Injection | -40°C to -60°C DP | Moisture combines with electrolyte to form toxic HF acid; catastrophic cell swelling | Turn-key Dry Room System |
| Solid-State & Next-Gen Lithium Metal Cells | Down to -70°C DP | Immediate anode oxidization; interface impedance spikes | Dual-Rotor Desiccant Dehumidifier |
| Electrode Slurry Coating & Drying Stacks | ≥99% Solvent Recovery | Dangerous VOC emission limits; multi-million dollar annual NMP waste | ZJRH Series NMP Recovery |
| Hygroscopic Pharma Powders & Capsule Filling | 10% to 30% RH | Powder agglomeration, dosing inconsistency, capsule softening | GMP Cleanroom Dehumidifiers |
| Military Hardware, Munitions & Avionics Depot | ≤40% RH | Oxidization of guidance circuitry, propellant degradation | GJB Spec Desiccant Systems |
| Commercial Warehousing & Grain Storage | 45% to 60% RH | Fungal growth, corrugated packaging collapse, mold spores | Refrigerative Dehumidifier |
| Petrochemical Vapor & Fuel Loading Stations | Strict Local Emission Limits | Volatile hydrocarbon emissions, EPA non-compliance penalties | VOC Abatement & RTO Systems |
International deployments demand strict alignment with localized mechanical, electrical, and pressure vessel regulatory codes.
DryAir custom builds systems adhering to CE Mark (Machinery and Low Voltage Directives), UL 1995 / UL 60335 for the North American market, CSA for Canada, ASME Section VIII for pressure heat exchangers, and EAC for the Eurasian Customs Union.
Our senior installation engineers deploy to project sites worldwide to manage precision enclosure assembly, duct balancing, leak detection using helium mass spectrometry, and operational commissioning to guarantee specified dew point performance.
International clients can opt for an expanded two-year service agreement covering scheduled preventative maintenance visits, priority spare-part airfreight dispatches, and 24/7 dedicated telemetry monitoring assistance.
From psychrometric modeling to live facility handover, our unified team eliminates contractor fragmentation.
Calculating moisture infiltration, air change rates, and latent personnel loads to formulate project boundaries.
Designing airflow networks, desiccant wheel geometry, heat recovery systems, and control loop logic.
Precision manufacturing inside our Hangzhou facility followed by testing in our environmental testing bay.
Rigging, airtight panel assembly, duct integration, sensor calibration, and full system commissioning.
Long-term preventative maintenance contracts, critical spare rotors, and rapid remote engineering diagnostics.
Continuous technical breakthroughs driving lower lifecycle OPEX and optimized thermal recovery.
Integrating factory excess thermal energy—such as flue gas, compressor cooling jacket loops, and low-pressure steam—to slash desiccant wheel electric reactivation power consumption by up to 45%.
Pioneering composite desiccant rotor matrices utilizing tailored porous MOF chemistry, facilitating rapid moisture desorption at significantly reduced regeneration temperatures (under 80°C).
AI-driven predictive algorithms calculating live atmospheric weather fluctuations and real-time personnel loading, modulating regeneration power automatically to eliminate over-drying losses.
Direct answers to the most common queries from plant managers, procurement directors, and EPC contractors.
Select a specialized system below to download complete mechanical specifications, psychrometric curves, and engineering CAD templates.
High-capacity desiccant rotor units designed for continuous humidity control in demanding industrial plants.
Single-source EPC responsibility covering panel fabrication, air treatment, and Dew Point -70°C validation.
Engineered solvent recycling modules yielding 99%+ recovery rates on high-speed electrode coating lines.
Deep-cooling condensers coupled with Regenerative Thermal Oxidizers (RTO) for VOC destruction.
Economical direct-expansion dehumidifiers for general industrial workshops and warehouse storage areas.
Rotor replacement, desiccant reactivation optimization, and capacity expansions on existing dry rooms.
In-depth whitepapers on psychrometric calculation methods and solvent recovery performance optimization.
Submit your airflow parameters, ambient conditions, and target dew point for a tailored proposal from our engineering team.