Used Crown Iron Works, Model 48, Milling Ring Flash Drying System. It was designed and used for food-grade orange pulp with 17,000 Lbs/Hr capacity but the plant can be used for a wide range of applications in various industries including: Drying food products such as grains, cereals, fruits, vegetables, herbs, and spices. Pharmaceutical ingredients, intermediates, and final products Drying various chemicals, including powders, granules, and crystalline materials Drying minerals and mining products such as ores, concentrates, and mineral powders Animal Feed Drying and processing environmental materials, such as sludges, biomass, and waste products. System designed for drying of powers, filter & centrifuge cakes, and slurries where a discrete and fine end product is desired. The Milling Flash Dryer is basically a low energy jet mill, that uses jets of low-pressure air to encourage inter particle collisions between pieces of feed material. These inter particle collisions break up the feed material in the dryer with no moving parts in the dryer or airstream. The dryer is in the shape of a torus, or donut that is broken up into 2 basic areas: (1) Manifold & Milling area; (2) Classifier. The ideal feed material for the Flash Dryer is a crumbly and free flowing cake that breaks up readily when it enters the drying air stream. The feed material enters the recirculating hot air upstream of the first nozzle, with the centrifugal forces generated by the air concentrating the material in the area above the nozzles. Particle-to-particle collisions begin immediately, deagglomerating the material before hard agglomerates can form. A tremendous amount of surface area is created allowing evaporation to occur quickly, thereby depressing air temperature in a very short period of time. Centrifugal forces are generated by the recirculating gases within the dryer, forcing the larger particles to the peripheral walls. Finer material is displaced towards the inside radius of the dryer where the classifier outlet is located. Fine product exits the dryer along with the exhaust gas vapor. Larger particles or agglomerates are recycled to the nozzle area dryer for further de-agglomeration and drying.
Used Equipment Facts About This Machine
Manufacturer Information
Brand: Crown Iron Works
Model: 48
System Type: Milling Ring Flash Dryer
Condition: Used
Original Application: Food-grade orange pulp
Capacity: 17,000 lbs/hr
Build Type: Industrial Grade
Description
This Crown Iron Works Model 48 Milling Ring Flash Drying System was originally designed and used for drying food-grade orange pulp at 17,000 lbs/hour but is highly versatile and suitable for a wide range of industries and applications. The system is capable of efficiently drying powders, filter cakes, centrifuge cakes, and slurries, particularly when a discrete and fine end product is desired.
The Milling Flash Dryer operates as a low-energy jet mill, utilizing jets of low-pressure air to create inter-particle collisions, which de-agglomerate and break up the feed material without any moving parts in the drying chamber. The torus (donut) shaped design includes two core sections:
Manifold & Milling Area
Classifier Area
The recirculating hot air promotes centrifugal forces that keep larger particles circulating for further drying and milling, while fine particles are extracted with the exhaust gas vapor for collection.
Applications
The Crown Iron Works Milling Ring Flash Dryer is suited for multiple industries and applications, including:
Food Industry
Drying grains, cereals, fruits, vegetables, herbs, and spices
Orange pulp, purees, and food slurries
Pharmaceutical Industry
Drying pharmaceutical ingredients, intermediates, and finished products
Chemical Industry
Powders, granules, and crystalline materials
Mining & Minerals
Ores, concentrates, and mineral powders
Animal Feed
Meal drying and feed additives
Environmental & Waste Management
Drying sludges, biomass, and waste materials
Process Optimization
Ideal for crumbly and free-flowing cakes
System Features
Drying Capacity: 17,000 lbs/hr (based on food-grade orange pulp)
Drying Process: Flash drying with milling ring technology
Feed Material: Crumbly, free-flowing cakes, slurries, filter cakes, and powders
Operation:
Jet mill design—no moving parts in the airstream
Centrifugal force ensures efficient particle size separation
Fine products collected via classifier outlet
Recycles larger particles for continued drying and de-agglomeration
Energy Efficiency: Low energy consumption due to optimized air circulation
Product Outcome: Discrete and fine end-product with consistent moisture removal
Advantages
High Efficiency – Rapid drying with minimal energy usage
Versatile Applications – Suitable for food, pharmaceutical, chemical, and environmental industries
Compact Design – Skid-mounted, minimal footprint
Continuous Operation – Suitable for large-scale production
Low Maintenance – No internal moving parts reduce wear and maintenance
Precision Drying & Classification – High product quality with controlled particle size
PRODUCT DETAILS
Flash dryer, milling ring dryer, Crown Iron Works dryer
Used Crown Iron Works Model 48 Flash Dryer, high-capacity milling flash dryer, industrial food and chemical drying system
Used Crown Iron Works Model 48 Milling Ring Flash Drying System for food-grade and industrial applications, high-capacity flash dryer for powders, slurries, and filter cakes, energy-efficient milling ring flash dryer for pharmaceuticals, chemicals, and biomass
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