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Salle blanche HVAC et équipement de manutention de l'air
Humidificateur à injection directe de vapeur
A conditioned-steam assembly that separates condensate, modulates plant steam and disperses dry vapor through a preheated stainless duct lance.
- Dry Plant-Steam Conditioning
- Cyclonic Moisture Separation
- Modulating Control Valve
- Preheated Dispersion Lance
Introduction de produit
Plant steam first enters a vertical separator where velocity changes and internal baffles remove entrained condensate. A modulating valve meters the dry steam to a stainless distribution lance, while a tracer circuit warms the lance to reduce internal condensation. Steam traps continuously drain the separator and tracer so only conditioned vapor reaches the airstream.
Key Features
A modulating valve adjusts plant-steam flow directly to humidity demand without a local electric boiler.
The preheated stainless lance limits condensation at the dispersion orifices during modulation.
Independent separator and tracer traps maintain continuous drainage and reduce waterhammer risk.
Préoccupations du client produit
Direct injection is effective only when plant steam is dry, accurately metered and dispersed before duct surfaces can become wet.
Wet plant steam spits condensate from duct nozzles.The vertical separator and continuous trap remove liquid before steam enters the dispersion lance.
An unheated lance condenses steam at low output.A tracer circuit preheats the stainless lance and drains its condensate separately.
Short absorption distance wets downstream filters.One or more correctly sized lances distribute steam across the duct face in smaller jets.
A sticking valve causes humidity overshoot.A characterized modulating valve and matched actuator provide repeatable flow control.
Les applications typiques
Large pharmaceutical air handlersHospital central-steam HVACIndustrial cleanroom make-up airLaboratory ventilation systemsHigh-capacity process-air humidification
Paramètres techniques
Representative construction ranges for a conditioned direct-steam humidifier are listed below.
| Matériaux de base | AISI 304 or 316L stainless separator and preheated dispersion lance |
|---|---|
| Panneau épaisseur | 1.5-3.0 mm separator shell and lance wall thickness |
| Largeur effective | 300-3500 mm compatible duct width |
| Longueur maximale | Up to 4000 mm maximum multi-lance dispersion assembly length |
| Acier face épaisseur | 1.5-3.0 mm stainless separator and lance construction |
| Densité Core | Approximately 7900-8000 kg/m³ for stainless wetted components |
| Conductivité thermique | Approximately 14-16 W/(m·K) for austenitic stainless steel |
| surface finie | Pickled and passivated or mechanically polished stainless surfaces |
| Type joint | Flanged or threaded steam inlet with compression-connected tracer and bolted duct-lance flange |
| Customisation | Disponible en fonction de l'application prévue et de l'environnement d'exploitation. |
Options disponibles
Single or multiple dispersion lancesAISI 304 or 316L wetted constructionElectric or pneumatic valve actuatorDifferent steam pressure, valve size and lance length
Planning a Direct Steam Injection Humidifier specification?
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