Heat Pump Dryer
Low Temperature Energy-Saving Closed-Loop Heat Pump Drying Machine for Food, Herb, Fruit & Agricultural Products
Heat Pump Dryer is a new-generation environmentally friendly low-temperature drying equipment that replaces traditional coal, gas and electric heating dryers. It adopts reverse Carnot cycle heat pump technology and fully closed hot air circulation system, realizing low-temperature constant-humidity drying at 30℃-80℃. With ultra-high energy-saving efficiency, zero exhaust emission and intact material nutrition retention, it is the preferred equipment for high-value materials such as fruits, vegetables, herbs, meat and agricultural by-products.
Gentle Drying
Lock Nutrition
Lock Color
What is Heat Pump Dryer?
Traditional drying equipment relies on direct electric heating, coal or gas combustion to generate heat, which has fatal defects in high-value material processing. High-temperature rapid drying causes material surface scorching, color darkening and serious loss of active nutrients. Open heating mode produces exhaust gas, dust and peculiar smell, failing to meet food safety and environmental protection standards. In addition, traditional dryers have extremely high power consumption, resulting in long-term high operating costs for enterprises.
Our Heat Pump Dryer completely subverts the traditional heating and drying mode. It absorbs free heat in air or water through the heat pump host, transfers low-level heat energy into high-level heat energy for cyclic heating, and matches a fully sealed drying room for closed-loop dehumidification and drying. The whole process features low temperature, constant humidity, no pollution and low energy consumption. It can perfectly retain the original color, fragrance and nutritional activity of materials, and has become the mainstream upgraded drying equipment for global high-standard food and agricultural processing industries.
Contents
Complete Equipment Composition of Heat Pump Dryer
1. High-Efficiency Heat Pump Host System
Adopts industrial-grade scroll compressor and high-efficiency heat exchange evaporator. It stably absorbs ambient heat energy for heating, with high heat conversion efficiency. Compared with pure electric heating equipment, it greatly reduces invalid energy consumption. The host supports wide-temperature normal operation, stable heating in low-temperature environment, and strong environmental adaptability, ensuring uninterrupted heat supply for drying room.
2. Fully Closed Hot Air Circulation Drying System
Equipped with high-power circulating fan and scientific air duct layout. Hot air circulates in a closed loop inside the drying room without external air exchange. The uniform air supply structure eliminates internal temperature and humidity dead zones, ensuring consistent drying degree of materials in each corner. The closed design avoids external dust and impurity pollution, meeting food-grade hygienic production standards.
3. Intelligent Constant Temperature & Humidity Control System
Built-in high-precision temperature and humidity sensors and intelligent PID regulation module. It realizes real-time monitoring and automatic adjustment of internal temperature and humidity. The temperature is adjustable from 30℃ to 80℃, and the humidity is precisely controlled in stages. It simulates natural slow drying environment, effectively avoiding material cracking, deformation and color difference caused by temperature and humidity fluctuation.
4. Automatic Continuous Dehumidification System
Equipped with intelligent condensation dehumidification device. It automatically captures and liquefies water vapor generated during material drying and discharges condensed water. No need to open the door for ventilation and dehumidification, which avoids heat loss and temperature fluctuation. The staged dehumidification mode matches the moisture volatilization law of materials, ensuring gradual and uniform dehydration.
5. Heat Recovery & Energy Saving System
The unique waste heat recovery structure recycles residual heat and latent heat of water vapor in the drying room for secondary heating. It effectively reduces heat energy waste, and the comprehensive energy-saving rate is as high as 60%-70%. Compared with traditional drying equipment, it greatly reduces long-term operating electricity costs for users.
6. PLC Intelligent Automatic Control System
Presets professional drying curves for fruits, vegetables, herbs, meat and grains. It supports one-key start, automatic temperature and humidity adjustment, timing shutdown and fault self-diagnosis. Equipped with over-temperature protection, leakage protection and abnormal alarm functions. The whole process is unattended, realizing standardized and intelligent drying production.
Core Product Advantages of Heat Pump Dryer
1. Ultra-High Energy Saving, Low Operating Cost
Adopts heat energy recycling heat pump technology, which does not directly consume electric energy for heating. The energy efficiency ratio is far higher than traditional electric dryers. The comprehensive energy-saving rate reaches 60%-70%, which can save a large amount of electricity costs for enterprises every year. The stable and durable structure reduces maintenance frequency and long-term investment costs.
2. Low-Temperature Gentle Drying, Lock Nutrition & Color
Stable low-temperature constant-humidity drying at 30℃-80℃ avoids high-temperature oxidation and scorching damage. It can maximally retain the original color, luster, flavor and active nutritional ingredients of high-value materials such as herbs and fruits. The finished products have high appearance grade and market value, which cannot be achieved by traditional high-temperature dryers.
3. Closed-Loop Zero Pollution, Green & Environmental Friendly
Fully closed circulating drying mode, no open flame, no exhaust gas, no dust and no peculiar smell emission. It solves the environmental protection problems of flue gas pollution and waste residue of traditional coal-fired and gas-fired dryers. The whole production process is clean and environmentally friendly, fully complying with global environmental protection emission standards and food processing certification requirements.
4. Precise Temperature & Humidity Control, Uniform Drying
Intelligent PID constant temperature and humidity system achieves micron-level precision adjustment. The internal hot air circulates evenly without dead zones, ensuring consistent moisture content and stable quality of each batch of finished materials. It effectively solves common problems such as uneven drying, wet core and color difference of traditional equipment.
5. Wide Material Adaptability & Strong Scalability
It is suitable for drying and dehydration of all heat-sensitive high-value materials, including fruits, vegetables, mushrooms, nuts, Chinese herbal medicines, meat products, seafood and agricultural by-products. It supports customized single-door, double-door and multi-layer assembly line models, which can meet the production needs of small workshops and large industrial factories.
6. Safe & Intelligent, Low Failure Rate
The equipment is separated from electric heating and air paths, with multiple safety protection functions such as leakage prevention, over-temperature prevention and overload prevention. No open flame operation, high safety factor. The intelligent unattended operation mode simplifies production procedures and reduces manual operation errors.
Working Principle & Production Process of Heat Pump Dryer
Working Principle
The Heat Pump Dryer adoptsreverse Carnot cycle heat energy conversion & closed-loop hot air circulation drying principle. The heat pump host absorbs low-temperature heat energy in the ambient air, and converts it into high-temperature heat energy through compressor compression and heat exchange. The heated hot air circulates uniformly in the fully sealed drying room through the circulating fan.
During the material drying process, the internal intelligent system monitors temperature and humidity in real time. The condensation dehumidification device automatically liquefies and discharges water vapor generated by material dehydration. The waste heat recovery system recycles residual heat to reduce energy loss. The whole process realizes low-temperature, constant-humidity, uniform and energy-saving drying, avoiding material damage and ensuring stable finished product quality.
Standard Production Flow
Material Sorting & Loading → Closed Drying Room Sealing → Intelligent Parameter Setting → Hot Air Circulation Heating → Staged Automatic Dehumidification → Constant Temperature Drying & Nutrition Locking → Finished Material Cooling & Unloading → Batch Cycle Production
Application Scenarios of Heat Pump Dryer
This energy-saving heat pump dryer is widely used in food processing, herbal medicine production, agricultural product deep processing and commercial drying industries. It is specially suitable for low-temperature dehydration of heat-sensitive high-value materials, including all kinds of fruits and vegetables, edible mushrooms, nuts, Chinese herbal medicines, dried meat, seafood products and agricultural by-products. It can be matched with automated production lines to realize large-scale, standardized and green drying production.
Core Application Fields: Food dehydration processing, herbal medicine drying, agricultural product dewatering, commercial batch drying, green environmental protection drying project
Real Project Cases of Heat Pump Dryer
Case 1: Tropical Fruit Drying Project | Thailand Food Processing Factory
Project Info: The customer needs large-scale drying of mango, durian and longan, requiring intact fruit color and retained sweetness. Our low-temperature constant-humidity heat pump dryer avoids fruit caramelization and color darkening. The closed-loop drying ensures hygienic finished products, with 65% energy saving compared with original electric dryers, greatly reducing production costs and improving product market competitiveness.
Case 2: Herbal Medicine Dehydration Project | Vietnam Pharmaceutical Processing Plant
Project Info: Herbal materials are sensitive to high temperature and easy to lose active ingredients. Traditional high-temperature drying leads to low medicinal value. Our heat pump dryer adopts simulated natural slow drying mode, which completely retains the active ingredients and appearance of herbs. Intelligent staged drying ensures uniform moisture of finished products, meeting pharmaceutical processing standards.
Case 3: Seafood & Meat Drying Project | Malaysia Food Factory
Project Info: Seafood and meat products are prone to peculiar smell and deterioration during drying. The fully sealed pollution-free drying environment of our equipment effectively avoids secondary pollution and peculiar smell generation. The precise humidity control prevents material mildew and ensures safe and hygienic finished products, helping customers obtain stable high-quality dried food products.
Technical Parameters of Heat Pump Dryer
| Model | F30 AN | F60 ABCN | T60 ABCN | F60 ABCN | T60 ABCN | F90 ABCN | |
| Number of network disks | 30 | 60 | 60 | 60 | 60 | 90 | |
| Number of floors in the room | 16 | 15 | 15 | 15 | 15 | 15 | |
| Rated voltage(V) | 220 | 380 | 380 | 380 | 380 | 380 | |
| Operation temperature(℃) | -5℃-45℃ | ||||||
| Transformer capacity(KVA) | 7500-500 | 15000-10000 | 15000-10000 | 15000-10000 | 15000-10000 | 26000-16000 | |
| Circulating air volume（m³/h） | 100 | 110 | 112 | 110 | 112 | 112 | |
| Layer spacing (mm) | 1200-800 | 2200-1400 | 2200-1400 | 2200-1400 | 2200-1400 | 3200-1800 | |
| Overall dimensions | L(m) | 2520 | 3380 | 3380 | 3380 | 3380 | 4040 |
| W(m) | 1150 | 1790 | 2100 | 1790 | 2100 | 2200 | |
| H(m) | 2100 | 2200 | 2200 | 2200 | 2200 | 2200 | |
| Weight(kg) | 359 | 662 | 690 | 685 | 715 | 820 | |
| Note: Some models require local on-site installation and debugging. | |||||||
Get Custom Heat Pump Dryer Solution
Our Heat Pump Dryer breaks through the defects of traditional drying equipment such as high energy consumption, serious pollution and material nutrition loss. Featuring low-temperature nutrition locking, ultra-high energy saving, zero pollution emission and intelligent stable operation, it provides green, efficient and low-cost drying solutions for global food, herbal medicine and agricultural processing enterprises, helping customers improve product quality and reduce production costs.
Contact us now to get free model selection, material-matched drying scheme and accurate project quotation!
FAQs of Heat Pump Dryer
Q1: What materials is the heat pump dryer suitable for?
A: It is mainly used for heat-sensitive high-value materials, including fruits, vegetables, mushrooms, nuts, Chinese herbal medicines, meat, seafood and various agricultural by-products. It supports customized drying programs for different material characteristics.
Q2: What is the energy-saving advantage compared with ordinary dryers?
A: The comprehensive energy-saving rate reaches 60%-70% compared with traditional electric dryers. It does not rely on direct electric heating, and realizes heat recycling through heat pump conversion, which can save a lot of long-term electricity costs for enterprises.
Q3: Will low-temperature drying affect production efficiency?
A: No. Although it is low-temperature drying, the closed-loop hot air circulation and staged dehumidification technology greatly improve dehydration efficiency. The overall production cycle is stable, and the finished product quality is far better than high-temperature rapid drying, with higher comprehensive production benefits.
Q4: Is the equipment environmentally friendly and compliant?
A: Absolutely. No open flame, no exhaust gas, no waste residue and no dust emission during operation. The whole process is clean and green, fully complying with global environmental protection policies and food processing safety certification standards.
Q5: Is the operation complicated and does it need frequent maintenance?
A: The PLC intelligent one-key operation is simple and easy to master, realizing unattended operation. The equipment has a mature and stable structure with few vulnerable parts, low failure rate and extremely low daily maintenance workload.
