FANQUN Mini Spray Dryer
The compact design, precise parameter settings and high cost-effectiveness of the miniature spray dryer make it an ideal choice for small-batch drying of granular products in industries such as food, chemicals and pharmaceuticals.
- Achieving satisfactory repeatable powder production
- The mini spray dryer is an ideal solution for projects with limited space.
- Mini spray dryer suitable for heat-sensitive materials
- Jiangsu Fanqun Drying Equipment Factory possesses over 25 years of experience in paddle dryer production.
- Jiangsu Fanqun Drying Equipment Factory is IS09001 certified manufacturer
PFQ-LPG-XX Mini Spray Dryer
LPG series high-speed centrifugal spray dryer is a special equipment and is suitable for drying emulsion,suspending liquid,liquor and so on.Particularly it has unique advantage for drying polymers and resins; dyestuff and pigment; ceramics,glass; derust agent; pesticide;carbohydrate,dairy products; detergent and surfactant; fertilizer,organic compound,inorganic compound and so on.
Principle of PFQ-LPG-XX Mini Spray Dryer
Air is turned into hot air filter and heater and enter into hot air distributor at the top of dry chamber and then enters into dry chamber spirally and evenly.At the same time liquid of raw material is sent to centrifugal atomizer at the top of dry chamber pumped by pump through filter.In which liquid of raw material atomizesting droplets.Air and liquid of raw material flows and contacts each other fully.The moisture vaporizes rapidly.Liquid of0 raw material is dried into finished product in a short time.The finished product is discharged through cyclone separator at the bottom of dryer.The wasted air is exhausted through fan.
Features of PFQ-LPG-XX Mini Spray Dryer
- Its dry speed is very fast.In general,it needs 5-15 seconds.It has feature of momentary dry.
- Material can be dried momentarily,it is suitable for drying thermal sensitive raw materials .It can maintain color,smell and taste of materials.
- Production process is simplify.Its operation and control is very convenient It is easy to continuous controlled production.
- The distribution,fluidity and solubility of product are good.

Ideal for smaller laboratories, explosion-proof and prevents impact dents. Stainless steel with rust-free and scratch-free polishing.

Suitable for organic and inorganic chemistry, can be for food processing as it stays easy to operate.

Stainless steel centrifugal dryer with great impact endurance and has prolonged lifespan with regular maintenance.

Fast extraction and high production for instant powder beverages, Portable and multifunctional as it doesn’t require navigation of the power process.

Liquid spraying with heated air circulation, Application for Food and plastic processor.

Has liquid drying control and creates a pure instant drink powder, easy to operate with no extra step to produce dry powder product.

Electric and steam heating mini bench-top for liquid drying. Wide application for chemical and food processing.

Electricity heat source with temperature control, Organic drying processor and great portability.
- Our Factory
- Technical Specifications
| Model | Inlet Temperature (℃) | Outlet Temperature (℃) | Max.Evaporated Amount of Water (kg/h) | Driving Style of Centrifugal Nozzle | Max.Revolution (rpm) | Diameter of Atomizing Disk (mm) | Heat Source | Max.Power of Electric Heater(Kw) | Recovery Rate of Dry Powder (%) | Overal Dimensions (LxW×H)(m) |
| 5 | 140~350 self-control | 80~90 | 5 | compressed airdrive | 2500 | 50 | electricity | 9-18 | ≥98 | 1.8X0.93X2.2 |
| 25 | 25 | mechanical driven | 18000 | 120 | steam plus electrloity | 9-18 (45-72All electric) | ≥98 | 3X2.7X4.26 | ||
| 50 | 50 | 18000 | 120 | steam plus electricity oil coal fuel hot air furnacion | 36electric meke-up | ≥98 | 3.5X3.5X4.8 | |||
| 150 | 150 | 15000 | 150 | 72electric make-up | ≥98 | 5.5X4X7 | ||||
| 200~5000 | 200~5000 | ~8000 15000 | 180~240 | hot air furnace | ≥95 | decide in accordance with practical conditlon |
Note:the evaporated amount of molsture is related to characteristics of material also inlet and outlet temperature of hot air.When outlet temperature is 90℃,Its curve of molsture evaporation is shown in above.(for reference when you choose Model).With renew of products unceasingly,the relevantparameterswill be changed,forgive we won’tannounce In advance.
What is the Mini Spray Dryer?
The mini spray dryer is a compact spray drying apparatus that dries materials by atomising liquids and converting them into powder. It performs the same function as conventional spray dryers but in a smaller, more manageable format. This enables its use for small-batch projects. Benefiting from finer parameter adjustment and cost-effectiveness, you can use it across diverse applications, including chemical and pharmaceutical processing, food and beverage production, and laboratory work.
Key Components of a Mini Spray Dryer
Feed System
The feed system incorporates a pump designed to convey liquid materials to the mini spray dryer, thereby ensuring a stable material supply. A high-quality feed system effectively prevents blockages and material wastage.
Atomiser
The atomiser serves to atomise materials into a fine mist of droplets before drying. This significantly enhances the material’s thorough contact with hot air within the drying chamber, thereby improving drying efficiency. Furthermore, it promotes more uniform drying whilst preventing material agglomeration and caking.
Drying Chamber
The drying chamber is equipped with a heater that maintains the circulating air at a high temperature, evaporating moisture from the material to achieve drying. You may adjust the airflow rate according to the material to prevent excessive airflow, causing material carry-over or insufficient airflow resulting in unsatisfactory drying efficiency.
Separator
Miniature spray dryers typically employ cyclone separators or bag filters to separate dried material particles from the air. Cyclone separators utilise centrifugal force to eject and collect material particles, whilst bag filters capture particles through filtration. These separators maximise material yield.
Exhaust System
Moisture evaporated within the mini spray dryer must be promptly expelled; otherwise, it will result in reduced drying efficiency and material contamination. Some models of mini spray dryers incorporate a heat recovery system within their exhaust system to enable the reuse of heat, thereby achieving greater energy efficiency.
How does the Mini Spray Dryer Work?
Feed Preparation
Mini spray dryers can process liquid mixtures, solutions, slurries, semi-solids and similar materials. To enhance drying efficiency, it is advisable to pre-treat the material beforehand, such as by diluting it or adjusting its viscosity. You may also incorporate surfactants or stabilisers into the material to prevent degradation of the dried product.
Atomization
Upon operation of the mini spray dryer, the material is pumped into the apparatus. It is then subjected to high pressure, forcing it through the nozzle for atomisation, or directly atomised using centrifugal force via a centrifugal atomiser. The atomised material assumes a fine mist state, significantly increasing its surface area. This facilitates more thorough and efficient subsequent drying.
Droplet-Air Contact
The atomised material enters a high-temperature drying chamber, where moisture within the fine mist evaporates, transforming it into dry material particles. Air within the drying chamber circulates to maintain optimal temperature and humidity conditions for drying. You must consider droplet size and material composition to select an appropriate temperature, preventing inefficient drying at excessively low temperatures or material wastage due to particle degradation at excessively high temperatures.
Particle Separation
Once the material particles are fully dried, they must be separated from the air via a collector. Options available include cyclone separators and bag filters. After collecting the material particles, you may proceed with subsequent processing.
Benefits of Mini Spray Dryers
Compact Design
The foremost advantage of the mini spray dryer is its compact structure, which occupies minimal space. This enables its deployment in projects with limited space. It can even be placed on a laboratory bench. Its compact design facilitates straightforward installation and setup, allowing for effortless configuration and operation.
Precise Control
The mini spray dryer offers enhanced process monitoring capabilities. It enables more precise control over drying efficiency, moisture content and particle size, thereby ensuring product quality.
Wide Applicability
The mini spray dryer is suitable for drying a wide range of materials, including emulsions, solutions, and suspensions across various industries such as chemicals, pharmaceuticals, and manufacturing. Furthermore, it is also appropriate for drying heat-sensitive materials.
Cost Effectiveness
Owing to its smaller dimensions and greater energy efficiency compared to standard spray dryers, the mini spray dryer incurs lower initial costs, maintenance expenses, and operational expenditures. Moreover, its high-performance drying capability delivers enhanced returns. Consequently, it offers outstanding cost-effectiveness for small-batch drying projects.
Applications of Mini Spray Dryers
Food and Beverage
Food and beverage products such as tea leaves, protein powder, instant coffee, spices, and milk powder can be dried using mini spray dryers. Spray dryers ensure strict hygiene standards, enhancing food safety. Furthermore, the conversion into granules after drying extends both storage and usage lifespans.
Pharmaceuticals
Should you be seeking an appropriate solution for pharmaceutical drying, the mini dryer is well-suited. It enables precise temperature and moisture control, ensuring pharmaceutical compliance. Moreover, it is ideal for drying temperature-sensitive pharmaceuticals, maintaining drying efficiency while preventing product degradation.
Chemical Industry
The mini dryer is also well-suited for drying bleaching agents, catalysts, pigments, metal powders and similar materials. It delivers efficient drying and consistent quality control, thereby ensuring the reactivity of chemical substances.
Agriculture
You can also utilise the mini spray dryer in the processing of agricultural materials such as plant and animal growth promoters, pesticides, and nutritional supplements. The resulting granular materials offer greater convenience in dosage control and storage.
Jiangsu Fanqun Drying Equipment Factory possesses over 25 years of experience in the production of mini spray dryers. Products are exported to the United States, Japan, and numerous other countries worldwide. Should you require assistance, please do not hesitate to contact us.
Mini spray dryers are perfectly capable. You may opt for a vacuum spray dryer to ensure consistent quality whilst drying heat-sensitive materials.
Spray dryers evaporate moisture from materials through heating. Freeze dryers, however, freeze the material and achieve drying by sublimating the moisture. Consequently, their drying processes operate at significantly different temperatures, allowing you to select the appropriate method based on the material type.
You may base your selection on material characteristics (such as solid content, viscosity, and heat-sensitive materials), drying requirements (such as particle size and moisture content specifications), and operational efficiency demands.
Regular cleaning of mini spray dryers is essential. You must also routinely maintain the heating system, discharge system, and other components. Sensors and control systems require periodic calibration.
Excessively viscous materials are difficult to atomise in a mini spray dryer, which further impedes drying efficiency. You may dilute the material before processing.














