Features of FANQUN Coffee Spray Dryer
FANQUN is committed to delivering professional spray drying solutions for your coffee production, stably and efficiently realizing uniform particle size with high flavor retention.
- Precisely control drying temperature and duration to maximize your products’ flavor and color retention while completing dehydration.
- Delivers uniformly sized, free-flowing coffee with excellent solubility through optimized atomization structure and airflow design.
- Flexibly processes coffee concentrates with varying solids content and accommodates diverse process systems including decaffeinated coffee, functional coffee, and 3-in-1 blends.
- Provide customized solutions according to your requirements, including drying tower height, nozzle type, and recovery system configurations.
- Offer comprehensive one-stop service, covering equipment selection, solution design, installation and commissioning, and operator training.
YPG series Coffee Spray Dryer
This unit is an apparatus that can perform drying and granulation simultaneously. By adjusting the pressure, flow rate, and atomizing orifice size according to process requirements, ball granules of the desired size and ratio can be obtained.
The working process of the unit is as follows: The raw material liquid is pumped by a high-pressure pump and atomized into fine droplets, which then mix with hot air and descend. Most of the powder material is collected at the bottom discharge outlet. The waste air and fine powder are separated in a cyclone separator. The waste air is exhausted by a draught fan, while the powder is collected at the bottom of the cyclone. A two-stage dust collector can also be equipped at the outlet, achieving a recovery rate of over 96%-98%.
The tower body, pipes, and separator of the unit—all parts that contact the raw material—are made of SUS304 stainless steel. There is an adequate layer of thermal insulation between the inner and outer walls of the tower body, filled with fine glass wool. The tower body is also equipped with an observation door, sight glass, lamp housing, and control instruments, which are operated via the electric control panel.
The heat source for the unit can be steam or an electric heater. Its features include convenient operation, quick startup, compact structure, and clean hot air. Furthermore, with the control and regulation devices installed inside the electric control cabinet, the inlet temperature can be controlled through stepless regulation. Steam or coal fuel can be applied in locations without electricity, serving as a partial or complete replacement for electric heating. The factory can provide different heating methods according to the customer’s practical conditions.
Features of YPG series Coffee Spray Dryer
- The drying speed is fast. The surface area of the raw material liquid increases significantly after atomization, allowing 95%–98% of the moisture to be evaporated instantly. The drying process takes approximately ten to several tens of seconds, making it particularly suitable for heat-sensitive materials.
- The finished product consists of spherical granules with uniform size, good fluidity and solubility, high purity, and excellent quality.
- It has a wide range of applications. Depending on the characteristics of the raw material, hot air can be used for drying or cool air for granulation. The equipment exhibits strong adaptability to various raw materials. Operation is simple and stable, and the control system is straightforward and convenient, making it easy to achieve automatic operation.
Application of YPG series Coffee Spray Dryer
- Chemical Industry: Organic catalysts, resins, synthetic detergents, oils, thiamine, dye intermediates, white carbon black, graphite, ammonium phosphate, etc.
- Foodstuff: Amino acids and similar substances, flavorings, proteins, starch, dairy products, coffee extract, fish powder, meat extract, etc.
- Pharmaceutical: Traditional Chinese medicines, pesticides, antibiotics, medicinal beverages, etc.
- Ceramics: Magnesium oxide, kaolin, various metal oxides, dolomite, etc.
- Granulating Via Atomization: Various fertilizers, aluminum oxide, ceramic powder, pharmaceuticals, heavy metal super-hard steel, detergents, traditional Chinese medicines, etc.
- Granulating Via Atomization Cooling: Amino fatty acids, paraffin wax, glycerates, tallow, etc.The dryer is often used in the fields of atomizing crystallization, concentration, and reaction processes.
An easy to operate industrial vacuum instant coffee spray dryer with 1000-2000 kilogram maximum capacity per batch.
A steam heating method industrial automatic instant coffee spray drying machine with 10kW power and a 1000 kilogram maximum drying capacity.
An automatic industrial coffee spray drying equipment with a 500 kilogram maximum drying capacity and a centrifugal spray dryer.
A stainless steel material centrifugal vacuum coffee spray dryer with 220/380V and 12.5kW power with a multifunctional feature.
A food processing electric heating spray drying equipment for instant coffee powder that has a competitive price, customizable voltage and kW power.
A high quality stainless steel material coffee spray drying machine with a customizable voltage, customizable kW power, and a large amount of maximum drying capacity.
A 2.2kW power coffee spray dryer with a long service life and a 220V as well as an electric heating to dry 1000 kilograms of maximum capacity per batch.
An electric heating stainless steel coffee spray drying machine with customizable kW power and customizable voltage that has a competitive price.
- Our Factory
- Technical Parameters
| Model | Evaporated Amount (kg/h) | Diaphragm Pump Power (kW) | Diaphragm Pump Pressure (MPa) | Heating Way | Diameter of Tower Body (mm) | Total Height of Equipment (mm) |
| YPG-25 | 25 | 0.35 | It can be regulated from 0.6 to 5, and generally, it will be from 1 to 3. | Electricity + steam Electricity + coal fuel (oil) hot air furnace | 1800 | 7800 |
| YPG-50 | 50 | 4 | 1800 | 9200 | ||
| YPG-100 | 100 | 7.5 | 2400 | 11600 | ||
| YPG-150 | 150 | 11 | 2600 | 14000 | ||
| YPG-200 | 200 | 15 | 2800 | 15300 | ||
| YPG-300 | 300 | 22 | 3200 | 17100 | ||
| YPG-500 | 500 | 30 | 3800 | 19000 | ||
| YPG-1000~10000 | The index can be affirmed in accordance with practical conditions | |||||
Working Principle of Coffee Spray Dryer
The coffee spray drying’s core process is to atomize high-concentration coffee liquid into tiny droplets and rapidly evaporate the water under the action of hot air, thereby forming uniformly sized instant coffee powder.
Atomization: The espresso liquid is pumped into the spray system, and it is decomposed into extremely fine droplets through a high-pressure nozzle or a high-speed rotating centrifugal atomizer.
Drying: The hot air processed by the heater enters the drying chamber in a stable flow field and comes into full contact with the atomized droplets. Its moisture evaporates within seconds and transforms the droplets into dry particles.
Collection: The dried coffee particles are efficiently separated from the airflow through a cyclone separator, bag filter or multi-stage separation system.
The final coffee is collected at the bottom of the tower or in the collection bin, and then can enter the cooling, sieving, mixing or packaging processes.
Types of Coffee Spray Dryer
Pressure Coffee Spray Dryer
Pressure coffee spray dryer adopts a high-pressure pump to spray coffee liquid through micro-pores and form uniform droplets. It achieves a stable and controllable particle size distribution and makes it one of the most widely used spray systems in the coffee industry.
Its pressure nozzle design can handle coffee concentrate with higher viscosity, significantly reducing your risk of clogging and effectively minimizing downtime caused by cleaning and maintenance. Meanwhile, the pressure nozzle can stably output droplets with consistent size. This could provide you with highly uniform dry coffee powder particles. Moreover, their dissolution speed is consistent during the brewing process, avoiding lumps.
The coffee pressure spray dryer has a relatively simple structure, low energy consumption and friendly maintenance costs, more suitable for small and medium-sized coffee powder production enterprises. Or if you have high requirements for indicators such as particle uniformity and dissolution rate, coffee pressure spray dryer would be a safe and reliable choice.
Centrifugal Rotary Coffee Spray Dryer
Coffee centrifugal rotary spray dryer scatters the coffee into extremely fine droplets through a high-speed rotating disc producing centrifugal force. This machine is suitable for coffee extracts with high solid content and high viscosity.
The centrifugal atomizers have strong atomization capabilities, and their droplet distribution is more concentrated, which helps to improve the fluidity and dissolution performance of the final powder.
Compared with pressure one, centrifugal equipment is usually more robust in structure and suitable for large-capacity production lines, but it also requires higher energy consumption and greater maintenance needs. If your factory mainly engages in large-scale continuous production and needs to maintain the consistency of powder properties, such equipment has more advantages.
Air Flow Coffee Spray Dryer
Air flow coffee spray dryer is a highly adaptable spray equipment that mixes compressed air with coffee liquid for atomization. Its atomization pressure is generally 0.3 to 0.8 MPa.
This equipment can flexibly handle a wide range of material properties, including some coffee extracts with large viscosity variations, and can also flexibly control the particle size by adjusting the gas-liquid ratio.
Its fluid nozzle has a simple structure to make it easy to replace and clean, and is more suitable for enterprises with frequent multi-product switching or pilot-scale production. If you need new product development, small customized coffee powder or have a stronger flexible adjustment requirement for the distribution of atomized particles, this type is a more cost-effective choice for you.
Parts of Coffee Spray Dryer
Feeding System
The feeding system can stably transport coffee extract into the spray system.
For coffee liquid with high solid content or high viscosity, you can choose insulated pipelines and variable frequency control metering pumps to lower flow fluctuations and maintain stable solid content. This offers a consistent atomization effect and improves powder’s solubility and batch consistency.
Sprayer
The atomization of liquid into minute droplets directly determines the dissolution behavior and particle uniformity of the final powder. The size of atomized droplets typically ranges from 80 to 200 μm.
You can choose a more suitable atomization method based on the target particle size, solid content, formula characteristics and production scale. Common structures include rotary disc type, pressure nozzle type and dual-fluid nozzle type.
Drying System
The drying system makes liquid droplets come into contact with hot air and rapidly evaporate moisture. The entire drying process is usually completed within 5 to 30 seconds.
Large-scale drying systems use co-current, counter-current or mixed airflow designs to handle different target particle size ranges and aroma retention requirements. Its cavity interior is usually equipped with an optimized airflow path and polished inner walls to reduce wall hanging, improve the fluidity of the powder and enhance your production hygiene level.
Heat System
This system provides hot air at 160-260°C by an air heater to supply the energy required for the evaporation process.
Excessively high temperatures can ruin the flavor of coffee. So the heating system is generally equipped with precise PID temperature control, with a temperature accuracy maintained within ±1°C. This can enable you to stably control the inlet and outlet temperatures to avoid burnt aroma, discoloration or loss of flavor.
Control System
The control system regulates and monitors the entire spray drying process, including key parameters such as air temperature, feed flow rate, atomization pressure and chamber pressure. Such real-time monitoring and data recording help you better to keep batch consistency and simplify troubleshooting.
Safety Device
To ensure the safe and reliable operation, the system will be paired with multiple safety protection measures, including emergency stop buttons, over-temperature and over-pressure alarms, pressure relief valves, and explosion-proof port designs.
For coffee powder processing scenarios where there is a high risk of dust explosion, it is also provided that explosion-proof solutions comply with ATEX or NFPA standards according to your needs.
Auxiliary System
To enhance your coffee recovery rate and overall production stability, coffee spray dryers are usually equipped with a variety of auxiliary devices.
Powder recovery device: Powder recovery can minimize product loss and maximize profits to the greatest extent. Most systems use cyclone separators to capture the majority of the dry powder and some models may also be equipped with secondary recovery systems such as bag filters or electrostatic precipitators to capture fine particles.
Automatic CIP cleaning system: According to multi-formula production or conditions with high sanitary requirements, the automatic CIP system can achieve rapid internal cleaning, which reduces your downtime and minimizes manual intervention.
Online particle size monitoring: Some equipment are integrated with an online particle size monitoring module to detect changes in particle distribution in real tim. This will help you adjust atomization or temperature parameters promptly during the production process to keep the stability of powder particle size.
Advantages of Coffee Spray Dryer
Rapid Drying
Spray drying technology can complete the transformation from droplets to powder in an extremely short time. And its entire drying process usually only takes 5 to 30 seconds, greatly improving your production efficiency.
Fewer Procedures
Spray drying can convert liquid coffee extract into dry powder in one step without the need for additional concentration, drying or grinding processes. This process simplification can significantly reduce processing steps, lower energy consumption and shorten the overall production cycle, to provide you with a more cost-effective production method.
Large-scale Processing
The coffee spray dryer has a stable and reliable large-scale processing capacity. It is able to continuously process high-flow coffee extracts, and is suitable for industrial-scale continuous production lines. In large factories, its production capacity can reach 500 kilograms per hour or even higher which could meet your requirements for high output and stable discharge.
Adjustability
Multiple key parameters of the spray drying process can all be precisely adjusted,such as atomization method, feed flow rate, temperature control and air flow pattern. You can use it to produce coffee powder products with different solubilities, densities and sensory performances by controlling the moisture content and particle structure.
Longer Shelf Life
The powder obtained by spray drying has a low residual moisture content and a relatively stable particle structure. This effectively inhibits the growth of microorganisms and delays oxidation reactions, significantly extending your productions’ shelf life.
Uniform Drying
The spray dryer can achieve a stable and controllable particle size distribution, preventing coffee powder from clumping during brewing and ensuring good dissolution speed and fluidity. Its better uniformity of particles directly enhances the efficiency of packaging, batching and automated filling, and helps to improve the stability of the entire production line.
Better Flavor
Through a rapid and gentle drying process, spray drying can minimize the risk of thermal degradation to preserve the key flavor substances in your coffee.
Technical Specifications of Coffee Spray Dryer
| Type | Spray Drying Equipment | Certification | CE, ISO |
| Dried Powder Collecting | ≥ 95% | Primary Material | 304, 316L |
| Production Capacities | 50 kg/h – 2,000 kg/h | Atomization Method | Nozzle, Centrifugal,Air Flow |
| Voltage | 220/380/415/480 V | Control System | Usually PLC |
| Temperature Range | 30 ℃ -300℃ | Machinery Test Report | Provided |
| Heating Method | Steam, Electric, or Gas Heating | Warranty | 1 year |
Considerations for Coffee Spray Dryer
Material Characteristics
The viscosity, solid content and heat sensitivity of coffee extract are the key factors determining the type of equipment. If you are dealing with coffee concentrate with high viscosity or high solid content, it is recommended to use a centrifugal spray dryer, as its rotary atomization structure can more effectively reduce the risk of nozzle clogging and enable the system to achieve a more stable atomization effect.
Production Capacity
You should clear your production volume to determine the hourly or daily processing capacity of the machine. Generally speaking, small to medium-sized coffee companies need spray dryers with processing 50 to 200 kilograms of dried coffee powder per hour.
Target requirements
It is important to clear your final particle size, bulk density, solubility and moisture content and other indicators of the final product. Different spray drying systems can achieve different levels of particle control.
For example, the pressure nozzle type is more suitable for achieving a more concentrated and uniform particle size distribution, and is more appropriate for the drying of instant coffee with higher requirements for solubility.
Noise
Due to the fact that the spray drying process involves high-speed fans, hot air systems and air compression devices, the equipment will show significant noise during operation.
If the working environment is near an office area or in an urban area, you should better choose the machine with a soundproof casing or noise reduction function.
Extensibility
In addition, scalability is also a very important consideration factor, which is related to your future expansion or process upgrading. It is recommended for you to choose the model that supports the module for increasing evaporation capacity, is compatible with the automatic CIP cleaning system, and can be seamlessly integrated with the powder cooling system, screening system, and packaging line.
Coffee spray dryers enable the rapid and stable conversion of high-concentration coffee liquids into uniform, easily soluble coffee powder with exceptional flavor retention. This is the mainstream method for industrial-scale coffee production today.
Whether you focus on particle uniformity, energy efficiency, or need high-volume continuous running, FANQUN is professional drying equipment supplier to provide customized coffee spray drying solutions tailored to your specific requirements.
Spray dryers are suitable for ground extract, concentrated coffee liquid, high-solids coffee slurry, as well as decaffeinated, functional coffee, and 3-in-1 formulas.
In addition to coffee, this equipment is also suitable for other liquid or paste materials that require rapid drying and flavor retention, such as: tea extracts, plant-based beverages, dairy ingredients, functional beverage concentrates, and some flavor and fragrance systems.
Typical coffee powder particle size can be stably controlled within the 80–300 μm range.
If you have specific requirements for dissolution rate, bulk density, or particle structure, we can deliver a more precise particle size control solution through atomization structure adjustments and drying curve optimization.
When you are using a standard cyclone separator, overall powder recovery typically exceeds 95%.
If your production requires higher yield rates, you can install bag filters or electrostatic precipitators as a secondary recovery system.
