Refrigerated Air Dryers — Desiccant Air Compressors | Industrial Compressor Dryer & Filter Solutions
The micro-heat combined dryer is a hybrid compressed-air drying solution that couples refrigerated pre-cooling and evaporation with adsorption (desiccant) drying, delivering low dew-point, condensate-free air with minimal regeneration gas consumption. It reduces refrigeration load by removing bulk moisture before the evaporator and uses heated dry air for fast, economical adsorbent regeneration, making it suitable for industrial processes that require stable, clean, and dry compressed air.
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Product Description
| Product Type | Drying Principle | Typical Dew Point | Regeneration / Energy Use | Condensate Handling | Best For | Pros / Cons |
|---|---|---|---|---|---|---|
| Refrigerated Dryer | Cooling + condensation | ≈ +3°C to +10°C | Moderate energy (refrigeration); no purge | Automatic drains; condensate removed at cold stage | General industry air lines | Pros: Low capex, simple. Cons: Not suitable for low dew point needs. |
| Desiccant (Heatless) | Adsorption (PSA) | −40°C to −70°C | High purge gas consumption → higher operating cost | Minimal condensate (pre-filtration needed) | Critical low-dew applications | Pros: Very low dew point. Cons: High operating cost due to purge. |
| Desiccant (Heated / Heated-Purge) | Adsorption with heater | −20°C to −70°C | Lower purge than heatless; energy for heater | Minimal condensate | Low dew point with better efficiency | Pros: Lower operating cost vs heatless. Cons: Requires heater control. |
| Micro-Heat Combined Dryer (this product) | Precooler → Refrigeration → Adsorption (micro-heat regeneration) | Stable low dew point (model dependent) | Low purge (heated dry air reuse) + reduced refrigeration load | Refrigeration condenses bulk; automatic drains | Processes needing low dew point and energy efficiency | Pros: Energy efficient, compact, stable dew point. Cons: More complex control; higher initial capex vs simple refrigerated units. |
| Membrane Dryer | Selective gas permeation | ≈ +3°C to −20°C (depends) | Low power, no refrigerant | Very low condensate (sensitive to liquid) | Small flows, instrument air | Pros: No moving parts. Cons: Limited flow, affected by oil/water. |
Hybrid Micro-Heat Dryer — Refrigerated + Desiccant Efficiency
A compact, energy-efficient dryer that combines refrigerated precooling and adsorption drying with micro-heat regeneration for low dew point, minimal purge use, and reliable condensate management — ideal for industrial processes demanding dry, oil-free compressed air.
|
Inlet pressure |
0.6~1.0Mpa |
|
Outlet air pressure dew point |
-40~ -70℃ |
|
Pressure drop |
≤0.05Mpa |
|
Environmental temperature |
≤32℃ |
|
Inlet air temperature |
≤45℃ |
|
Purge air volume |
3~5% |
| Model | DM15ZH | DM26ZH | DM40ZH | DM65ZH | DM85ZH | DM110ZH | DM130ZH | DM150ZH | DM200ZH | DM300ZH | DM400ZH | DM500ZH | DM600ZH | DM800ZH | DM1000ZH | DM1200ZH | DM1500ZH | DM2000ZH | |
| Capacity (Nm3/min) | 1.5 | 2.6 | 3.8 | 6.5 | 8.5 | 11 | 13 | 17 | 23 | 33 | 45 | 55 | 65 | 85 | 110 | 130 | 150 | 200 | |
| Air connection | ZG1” | ZG1” | ZG1½" | ZG1½" | ZG2" | DN50 | DN50 | DN80 | DN80 | DN80 | DN100 | DN125 | DN125 | DN125 | DN150 | DN150 | DN150 | DN200 | |
| Compressor power (HP) | 0.65 | 0.75 | 1.25 | 1.5 | 1.5 | 3 | 3 | 4 | 5 | 7.5 | 10.5 | 12.5 | 15 | 20 | 25 | 25 | 40 | 50 | |
| Cooling water circulation rate | forced air cooling | 3 | 3 | 3.5 | 6 | 7.4 | 8 | 10 | 12 | 14 | 16 | 18 | 24.4 | ||||||
| Voltage (V/Hz) | 220/50 or 380/50 | 380/50 | |||||||||||||||||
| Net weight (Kg) | 295 | 350 | 485 | 655 | 800 | 930 | 1100 | 1200 | 1220 | 1460 | 1980 | 2500 | 2950 | 3550 | 4200 | 4500 | 7690 | 8900 | |
| Dimensions(mm) | Length | 980 | 980 | 1200 | 1200 | 1460 | 1460 | 1680 | 1800 | 1830 | 1650 | 2480 | 2580 | 2750 | 2900 | 2690 | 3000 | 3200 | 3000 |
| Width | 750 | 800 | 1000 | 1000 | 1100 | 1180 | 1180 | 1240 | 1950 | 2000 | 1830 | 1980 | 2080 | 2560 | 2600 | 2800 | 2950 | 2800 | |
| Height | 1453 | 1653 | 1535 | 1994 | 1960 | 2065 | 2140 | 2100 | 2150 | 2480 | 2717 | 2750 | 2680 | 2920 | 2960 | 3000 | 3000 | 3200 | |
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