YPG Series Pressure Spray Dryer (Co-Current)

YPG Series Pressure Spray Dryer (Co-Current)

The YPG Series uses a pressure nozzle at the top of the tower to atomize the feed into a co-current hot-air stream. Feed pressure, nozzle selection, feed rate, and drying conditions are coordinated to develop the required powder or granule characteristics.

Suitable for: pumpable solutions, emulsions, suspensions and slurries suitable for pressure atomization.
Model:YPG
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  • Overview & Principle
  • Features & Materials
  • Applications
  • Technical Parameters
  • FAQ
Product Overview
The YPG Series Pressure Spray Dryer (Co-Current) uses a pressure nozzle mounted at the top of the drying tower to atomize liquid feed into fine droplets. Hot air enters from the tower top and moves downward in parallel with the droplets, forming a co-current drying flow.
The equipment is designed for high powder recovery, minimal wall deposition and energy-efficient drying. It is particularly suitable for heat-sensitive materials and is widely used for food products, dyes and chemical intermediates.
Working Principle

Liquid feed is pressurized and delivered to the nozzle installed at the top of the drying tower, where it is atomized into fine droplets. Hot air enters from the tower top and flows downward in the same direction as the droplets.


Moisture evaporates during this co-current contact, and the dried product is discharged from the bottom of the tower. Fine powder entrained in the exhaust air is separated by the cyclone and dust collector.

YPG CT-x.jpg
Key Features
Pressure-nozzle atomization
Downward co-current contact between droplets and hot air
High powder recovery and minimal wall deposition
Energy-efficient operation
Suitable for heat-sensitive materials

YPG ct.jpg

Suitable Materials
Pumpable solutions, emulsions, suspensions and slurries suitable for pressure atomization.
Material suitability should be confirmed through review of physical properties, moisture or solvent content, temperature sensitivity and the required final product condition.
Wide Range of Applications
Food Industry
Whole milk powder, casein, cocoa powder, milk replacers, egg white/yolk, oats, chicken extract, coffee, instant tea, meat flavors, soy and peanut protein, protein hydrolysates, corn steep liquor, corn starch, glucose, pectin, maltose, potassium sorbate, pumpkin powder, and more.
Pharmaceuticals
Traditional Chinese Medicine (TCM) extracts, medicinal gums, yeast, vitamins, antibiotics, amylase, lipase, and more.
Plastics & Resins
AB/ABS emulsions, urea-formaldehyde resins, phenolic resins, melamine-formaldehyde resins, polyethylene (PE), polyvinyl chloride (PVC), and more.
Detergents
Premium and standard laundry powders, soap powder, soda ash, emulsifiers, optical brighteners, phosphates, and more.
Chemical Industry
Sodium fluoride (potassium fluoride), basic dyes and pigments, dye intermediates, catalysts, sulfates, amino acids, white carbon black (precipitated silica), and more.
Ceramics
Alumina (aluminum oxide), ceramic tile materials, magnesium oxide, talc, and more.
Others (Spray Chilling)
Aluminum hydroxide, calcium chloride, stearates, and other materials suitable for cooling spray processes.

Technical Parameters

Model

50

100

150

200

300

500

1000-10000

Water Evaporation Capacity (kg/h)

50

100

150

200

300

500

1000-10000

Overall Dimensions (Φ × H) (mm)

1600x8900

2000x1711500

2400x13500

2800x14800

3200x15400

3800x18800

/

High-Pressure Pump Pressure (MPa)

2-10

Power kW

8.5

14

22

24

30

82

30-300

Inlet Air Temperature (°C)

200-300

Final Product Moisture Content (%)

< 5(0.5)

Product Recovery (%)

> 97

Electric Heating (kW)

79

120

150

For temperatures below 200°C, specific values are calculated based on actual conditions.

Steam + Electric Heating (MPa + kW)

0.5 +54

0.6+90

0.6+108

Hot-Air Furnace Capacity (×10⁴ kcal/h)

10

15

20

30

40

50

120-1200


Frequently Asked Questions
What is the primary function of the YPG Series Pressure Spray Dryer (Co-Current)?
Its primary function is pressure-nozzle atomization with co-current contact between droplets and drying air.
What materials can be processed?
Pumpable solutions, emulsions, suspensions and slurries suitable for pressure atomization. Final suitability should be confirmed through material and process evaluation.
How should a model be selected?
Confirm feed solids, viscosity, atomization method, inlet and outlet temperature requirements, target powder properties, capacity and powder-recovery arrangement.

Request Pricing & Specifications

Interested in this equipment? Fill out the form below with your required capacity and material details. Our team will send you a competitive quote and a comprehensive technical data sheet within 24 hours.
Talk to Our Drying Experts
With over 30 years of manufacturing expertise and continuous R&D, YIBU delivers reliable technical support and equipment recommendations for your specific processing needs.
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