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The VetterTec Ring and Flash Dryer technologies are pneumatic type drying systems well-known for their reliability and drying efficiency. Our Ring and Flash Dryer systems are suitable for drying a range of products from wet cakes to wet pastes.
Optimal wet product preparation is part of our specially designed and easily cleanable wet product feed system forming an integral part of our dryers. Based on our extensive experience, VetterTec carefully selects each part of our drying systems, including, for example, upstream mechanical dewatering and downstream Milling and Cooling to suit each specific application.
As a leading supplier, VetterTec builds on its proven, innovative solutions to ensure that all our drying systems meet our customers’ changing needs while continuously delivering optimal product quality.
The Flash Dryer – Principle of Operation
The Flash dryer is a single-pass, pneumatic type drying system which offers gentle drying due to its short residence time. The dryer can be either indirectly heated (steam, thermal oil, waste heat or natural / biogas) or directly heated (waste heat or natural / biogas). Depending on product and / or emission requirements, either single or multi-stage cyclones (with option for special suction discharge), cyclone and bag filter combination or bag filter only can be used for product collection.
Dryer Stack
Main Bag Filter 2
Milling/Cooling Line Air Intake
Main Bag Filter 1
Dryer Air Intake
Flash Dryer 2
Flash Dryer 1
Dryer Stack
Dryer Feed System
Multi Cyclone
Corn Starch and Wheat Starch Flash Dryer
Advantages
Direct or indirect heated dryer
Suitable for wet cakes and pastes
Gentle drying due to short residence time
Low maintenance cost – only a few moving parts
Suitable for drying in an inert atmosphere
Option for exhaust gas recycle to provide inert atmosphere for increased safety and save heating energy
Design in accordance with all relevant ATEX/NFPA or similar local requirements
Design is optimized for easy cleanability of wet process
The Flash Dryer – Fields of Application
Flash Dryers are used for various products, preferably for fine product when gentle drying is required.
VetterTec Flash Dryers are employed for a wide range of applications by adjusting the wet feed system, dryer inlet/outlet temperatures and product collection system.
According to requirements, it may be required to run drying tests with the product at our pilot plant facilities in Germany and Canada.
Starch Industry
Food Industry
Chemical Industry
Pulp & Paper and Environmental Industry
Your application is not on the list? Feel free to contact us:
we have several test facilities, combined with our long-term experience in the drying we would be pleased to consult for the best drying solution for your product.
The Full Ring Dryer – Principle of Operation
The Full Ring Dryer is a multi-pass, pneumatic type drying system with a multi or single stage classifier for selectable particle residence time which offers gentle drying due to its overall short residence time. The dryer can be either indirectly heated (steam, thermal oil, waste heat or natural / biogas) or directly heated (waste heat or natural / biogas). Depending on product and / or emission requirements either single or multi-stage cyclones (with option for special suction discharge), cyclone and bag filter combination or bag filter only can be used for product collection.
Dryer Stack
Milling/Cooling Line Bag Filter
Milling/Cooling Line Air Intake
Mechanical Dewatering System
Milling System
Hot Disintegrator
Dryer Air Intake
Full Ring Dryer
Main Bag Filter
Vital Wheat Gluten Full Ring Dryer including Mechanical Dewatering (VetterTec Screw Press) and Milling / Cooling System
Advantages
Direct or indirect heated dryer
Suitable for wet cakes and pastes
Multi or single stage classifier for selectable particle residence time
Choice of various disintegrators and dispersers
Wet feed introduced at reduced inlet temperature
Semi-dry product recirculates to hottest air
Gentle drying due to short residence time
Low maintenance cost – only a few moving parts
Suitable for drying in an inert atmosphere
Option for exhaust gas recycle to provide inert atmosphere for increased safety and save heating energy
Design in accordance with all relevant ATEX/NFPA or similar local requirements
Design is optimized for easy cleanability of wet process
The Full Ring Dryer – Fields of Application
Full Ring Dryers are used for various products, preferably when extended residence time (compared to flash dryers) is required to meet the final product moisture requirement.
VetterTec Full Ring Dryers are employed for a wide range of applications by adjusting the wet feed system, dryer inlet/outlet temperatures, internal and external product recycle and product collection system.
According to requirements, it may be required to run drying tests with the product with our pilot plant facilities in Germany and Canada.
Starch Industry
Food Industry
Chemical Industry
Pulp & Paper and Environmental Industry
Your application is not on the list? Feel free to contact us:
we have several test facilities, combined with our long-term experience in the drying we would be pleased to consult for the best drying solution for your product.
The Feed-Type Ring Dryer – Principle of Operation
The Feed-Type Ring Dryer is a multi-pass, pneumatic type drying system with a single stage classifier for selectable particle residence time which offers gentle drying due to its overall short residence time. The dryer can be either indirectly heated (steam, thermal oil, waste heat or natural / biogas) or directly heated (waste heat or natural / biogas). Depending on product and / or emission requirements either single or multi-stage cyclones (with option for special suction discharge, cyclone and bag filter combination or bag filter only can be used for product collection.
Cooling Line Bag Filter
Main Fan
Air Heater
Dryer Feed System
Inertising Gas Inlet
Main Bag Filter
Feed Type Ring Dryer
Feed-Type Ring Dryer for Lignin
Advantages
Direct or indirect heated dryer
Suitable for wet cakes and pastes
Cold disintegrator with single stage manifold
Can incorporate a pre-separator to collect the bulk of the material before the cyclones
Large evaporative capacities
Can be designed for operation in an inert atmosphere with exhaust gas recycle
Gentle drying due to short residence time
Low maintenance cost – only a few moving parts
Suitable for drying in an inert atmosphere
Option for exhaust gas recycle to provide inert atmosphere for increased safety and save heating energy
Design in accordance with all relevant ATEX/NFPA or similar local requirements
Design is optimized for easy cleanability of wet process
The Feed-Type Ring Dryers – Fields of Application
Feed-Type Ring Dryer are used for various products, preferably when extended residence time is required to meet the final product moisture requirement.
VetterTec Feed-Type Ring Dryer are employed for a wide range of applications by adjusting the wet feed system, dryer inlet temperature, internal and external product recycle and product collection system.
According to requirements, it may be required to run drying tests with the product with our pilot plant facilities in Germany and Canada.
Starch Industry
Food Industry
Chemical Industry
Pulp & Paper and Environmental Industry
Your application is not on the list? Feel free to contact us:
we have several test facilities, combined with our long-term experience in the drying we would be pleased to consult for the best drying solution for your product.
VetterTec Flash and Ring Drying System – Design Examples
Full Ring Dryer System
Two off Full Ring Dryers for Vital Wheat Gluten with mechanical dewatering and milling / cooling system in the Wheat Processing Industry
Flash Dryer System
Flash Dryer for Corn and Wheat Starch including Milling/Cooling System in the
Corn Processing Industry
Feed-Type Ring Dryer
Partial gas-recycle Feed-Type Ring Dryer including Cooling in the Corn Processing Industry
Feed-Type Ring Dryer
Feed-Type Ring Dryer for Lignin in the Pulp & Paper Industry
Full Ring Dryer
Two off Full Ring Dryers for Vital Wheat Gluten with mechanical dewatering and milling / cooling system in the Wheat Processing Industry
VetterTec Ring and
Flash Dryers
VetterTec Ring and Flash Dryers
(in Portuguese)
VetterTec Ring and Flash Dryers
(in Spanish)