What is Heat pump dryer?
Heat Pump Dryer DF3-1 is intended for the small landholder or a family. With a capacity of 50-100 kg ,like wet fruit or vegetables, depending on type of fruit and numerous other factors , heat pump dryer is multiple units provide a significant commercial volume at a combined cost which remains economical and substantially lower than large commercial heat pump dryers.

Heat pump dryers are highly efficient drying equipment based on heat pump technology that recycles thermal energy. They are widely used across multiple fields for material dehydration and drying tasks. Their primary applications include the following aspects:
1. Industrial and Agricultural Production with Heat Pump Dryer
- Agricultural Product Processing: Used for dehydrating grains, fruits, and vegetables (e.g., melon seeds, peanuts, fruits, and vegetables) to ensure long-term storage and quality preservation.
- Food Industry: Applied in drying seafood, meat products, nuts (e.g., black fungus, mushrooms), and dehydrated foods (e.g., vegetables, dried fruits).
- Pharmaceuticals and Chinese Herbal Medicine: Suitable for low-temperature drying of heat-sensitive materials like medicinal herbs and biological products, preserving active ingredients and preventing spoilage.
- Wood and Paper Industry: Used for drying lumber to prevent deformation and dehydrating materials like paper and dried tofu skin.
- Chemical Industry and Other Materials: Covers drying needs for chemical products, sludge, gypsum, tobacco, textiles, and more.
2. Household for Heat Pump Dryer
- Clothes Drying: Primarily used for sterilizing and drying household laundry, especially ideal for delicate fabrics like wool and silk, preventing heat damage.
- Daily Supplies: Efficient dehumidification and drying of items such as hotel bedding and fabrics.
3. Environmental and Energy-Saving Advantages
Asia
Countries likeThailand,Malaysia,Vietnam are investing in pepper drying machines to boost exports.
East Africa
Kenya and Tanzania are adopting these technologies for smallholder farmers.
Southern Africa
South Africa uses advanced drying systems for commercial paper tube processing.

Reasonable Price
We are professional manufacturers of heat pump drying machine more than 20 years ,so we control the cost very good and offer the reasonable price with high quality.

Stable Quality
We have more than 8professional engineers who worked in Dryfree more than 10years.With heat pump drying technology.

Sincerely Service
We have made FQA,manual book with pictures and videos.
Heat Pump Dryer Features
1. Energy Efficiency & Thermal Recycling
- Closed-loop heat circulation recaptures waste heat, reducing energy consumption by 40–70% compared to conventional dryers. Energy utilization rates reach 1.0–4.0 kg/kWh, vastly exceeding traditional methods (0.2–0.6 kg/kWh)13.
- Inverse Carnot cycle transfers ambient heat into the drying chamber, with total heat output QC=QA+QBQC=QA+QB (absorbed heat + input electricity)12, minimizing electrical input.
2. Low-Temperature Drying & Material Protection
- Gentle drying (20–80°C) prevents damage to heat-sensitive materials like wool, silk, herbs, and pharmaceuticals, preserving texture, color, and active compounds13.
- Precise humidity control via MEMS/NTC sensors dynamically adjusts drying parameters, reducing wool shrinkage to <1% and maintaining silk gloss at 92%3.
3. Versatile Applications
- Broad material compatibility: Efficiently dries agricultural products (grains, fruits), seafood, meat, wood, textiles, and industrial sludge12.
- Multi-functional use: Supports dual roles (e.g., drying + refrigeration) and integrates with solar/biomass systems for 20% fuel reduction47.
4. Environmental & Operational Advantages
- Pollution-free operation: Closed-cycle design eliminates emissions and captures volatile compounds during drying14.
- Space flexibility: No exhaust vent required; operates in confined spaces (e.g., 5m² rooms) at noise levels as low as 58 dB3.
- Automation: Smart systems (e.g., “Smart Drying Cloud Platforms”) enable remote monitoring and adaptive drying programs7.
5. Enhanced Hygiene & Maintenance
- Sterilization: 55–65°C drying eliminates bacteria, ideal for medical supplies and baby clothing3.
- Self-cleaning: Built-in lint filters capture 99% of fibers, preventing residue buildup23.
Features validated across industrial, agricultural, and household applications, balancing efficiency with material preservation.
Technical Specifications
| Specification – 3P heat pump dryer capacity 50-150kg | |||||||
| Item | Unit | Description | |||||
| Model | 3 HP heat pump drying machine | ||||||
| Size | 1180*1080*1200mm | ||||||
| Power Supply | 220V/50Hz/60Hz | ||||||
| Ambient temperature | ℃ | -5 to 45 | |||||
| Load capacity | KG | 50-100 kg/ per batch | |||||
| Dryer Heating capacity | KW | 12KW | |||||
| Rated Input power (Compressor) | KW | 2.4KW | |||||
| Rated Input power (Outdoor fan) | KW | 0.7KW(2pcs 0.35KW) | |||||
| Rated Input power (circulating fan) | KW | 0.6KW | |||||
| Rated Power | KW | 3.7KW | |||||
| Rated Input Currents | Amp s | 13A | |||||
| Compressor Model No | Copeland | 3HP | |||||
| Refrigerant Type | Dryfree special refrigerant | ||||||






