13.5Nm3/min Fully Automatic Heatless Regenerative Dryer (Explosion-Proof Option Available) — Specialized Equipment for Purifying and Dehydrating Factory Air Supplies
Product Details
13.5Nm3/min heatless regenerative dryer
,explosion-proof desiccant air dryer
,factory air supply dehydration equipment
Engineered for the core centralized air supply of modern factories, this AIRERA 13.5Nm³/min fully automatic heatless regenerative desiccant dryer serves as specialized heavy-duty equipment for deep dehydration. Utilizing a fully intelligent microcomputer control system, it achieves complete unattended, fully automated operation of dual-tower alternating adsorption and regeneration, reliably delivering ultra-dry compressed air with high purity and a consistently low dew point. Tailored for hazardous environments like petrochemicals, mining, and spraying industries, this unit offers a strictly certified, industrial-grade explosion-proof option to eliminate electric spark risks. Coupled with AIRERA's precision flow-channel architecture and heavy-duty structure, it drastically cuts energy consumption while completely eradicating pipeline condensation, providing a rock-solid, long-lasting safety and purification barrier for factory-wide automated production lines and high-precision pneumatic instruments.
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Energy-Saving Purge Design
With purge air controlled within only 12-15%, it cuts compressed air waste drastically, bringing remarkable long-term operational savings for Middle East factories.
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Steady Dew Point Performance
Maintains a stable pressure dew point between -20°C to -40°C even under 45°C hot inlet air, fully protecting downstream pneumatic components from moisture damage.
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Wide Working Pressure Adaptability
Adapts seamlessly to 0.6-1.0Mpa working pressure, matching local power supply and pipeline conditions perfectly for hassle-free installation and operation.
| ITEM | UNIT | MODEL HDR-150XF |
|---|---|---|
| Capacity | Nm³/min | 13.5 |
| Motor | Power(kw) | 2.5 |
| Voltage | V | 380 |
| connection |
ZG2 |
|
| Dimension | L×W×H in mm | 1400×600×2140 |
| Weight | kg | 740 |
| Purge air | <=12~15% | |
| Working pressure | Mpa | 0.6~1.0 |
| Inlet oil content | ppm | <=0.01 |
| Pressure dew point | ℃ | -20℃~-40℃ |
| Desiccant | Activated aluminum or Molecular siere | |
| Working periods | T=4~20Minutes | |
| Inlet temperature | 0℃~45℃ |
Regarding the "Explosion-Proof Option Available" mentioned in the title, what specific upgrades are made to the hardware and electrical controls? Which specialized industries is it suitable for?
When users opt for the explosion-proof configuration, AIRERA comprehensively upgrades the entire electrical system of the unit. This includes incorporating cast-aluminum flameproof electrical control enclosures, explosion-proof solenoid valve coils, and explosion-proof pressure transmitters, with all wiring sealed and routed through explosion-proof flexible conduits to fundamentally isolate electric sparks from flammable ambient gases. This configuration perfectly complies with severe workplace environments that have strict statutory regulations for explosion-proof ratings (such as Ex d IIB T4), including petrochemicals, natural gas refining, pharmaceutical plants, chemical fibers, and large-scale industrial spray-painting workshops.
As a large-scale 13.5Nm³/min equipment, how is its "Fully Automatic" unattended operation achieved? Does daily operation require manual intervention?
The "Fully Automatic" nature means that the entire process sequence—from startup, dual-tower alternating adsorption, timed regeneration, depressurized exhaust, to stabilized pressure equalization and cyclic repetition—is completely controlled in a closed loop by AIRERA's embedded high-tier PLC microcomputer system. During daily production, workers only need to hit a single start button, and the equipment runs independently based on preset parameters while modulating valve sequences in real time. Unless a system alert occurs (such as consumable lifespan expiry or inlet over-temperature), operators never need to stand by the machine, achieving genuine 24/7 uninterrupted, unattended deep dehumidification.
If a massive 13.5Nm³/min air dryer encounters a sudden factory power outage, how does the fully automatic control system protect the valves and desiccant beds from airflow back-surges?
AIRERA integrates a rigorous Fail-Safe Design into the product architecture. The industrial-grade control valve assemblies selected for this equipment possess an "automatic safety reset upon power failure" function. In the event of a sudden power outage across the main grid, all exhaust regeneration valves are instantly forced closed by mechanical spring action, and the adsorption towers immediately enter a pressure-retaining lock state. This mechanism shuts down all vent-to-atmosphere channels, which not only prevents severe desiccant shifting, bypassing, and fluidization caused by instantaneous depressurization but also protects precision valve cores from airflow back-surges, ensuring a seamless restart once power is restored.
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