Secadores y enfriadores instantáneos
El secador flash Heyl Patterson se utiliza para secar rápidamente materiales con alto contenido de humedad y sensibles a la temperatura, con una alta eficiencia térmica. Estos materiales incluyen productos químicos, minerales, lodos, alimentos, plásticos, yeso y fibras de cáñamo y madera en fase de presecado. Mediante el principio del procesamiento selectivo, esta unidad garantiza que el tiempo de resistencia de cada partícula sea proporcional a su tamaño y peso, lo que da como resultado un producto de alta calidad libre de degradación física y química.
Con el procesamiento selectivo, su línea de producción ofrecerá un producto comercial de alta calidad con un contenido de humedad final homogéneo, libre de degradación física o química.
Características y ventajas
- Proporciona un contenido de humedad final homogéneo sin degradación del producto.
- El diseño compacto del flash procesa de manera eficiente grandes capacidades en menos espacio que los secadores convencionales.
- Seca de forma rápida y eficaz polvos y gránulos con alto contenido de humedad.
- La velocidad de secado hace que los secadores instantáneos sean ideales para su uso como presecadores con el fin de ampliar la capacidad de producción en las líneas de proceso existentes.
- Admite velocidades de alimentación de entre 50 y 1600 libras por hora.
- Alúmina
- Harina
- Fluorita
- Residuos sólidos urbanos (RSU)
- Polietileno
- Bicarbonato de sodio
Diseños de secado rápido
Desde la tecnología convencional de secado rápido hasta nuestro diseño Rotacurrent y Venturijet, los materiales se secan de forma rápida y eficiente. También ofrecemos enfriadores rápidos para bajar rápidamente la temperatura de sus productos.
También ofrecemos secadores y enfriadores rotativos y secadores y enfriadores de lecho fluido para otras especificaciones de nuestros clientes.
Nuestros secadores industriales por flash pueden utilizar temperaturas de gas más altas que otras tecnologías de secado, ya que el tiempo de retención del material es muy corto.
Fabricados según sus especificaciones únicas o diseñados por nuestros ingenieros para superar los requisitos específicos de su aplicación, cada secador flash puede someterse a pruebas piloto en nuestro Centro de Innovación y Laboratorio de Pruebas antes de implementar el diseño final.
Hable con un experto.
Opciones y accesorios
- Opciones de secado y enfriamiento
- Transporte neumático durante el secado
- Filtros de bolsa
What is a Flash Dryer & Cooler?
The Heyl Patterson Flash Dryer and Cooler is a pneumatic thermal processing unit designed to rapidly dry high-moisture materials by dispersing them in a high-velocity stream of hot gas. Its purpose is to deliver fast, continuous moisture removal with minimal residence time, making it particularly effective for temperature-sensitive materials and high-capacity operations where speed and product quality cannot be compromised.
Cómo funciona
The Heyl Patterson Flash Dryer and Cooler uses pneumatic conveying and direct gas-to-particle contact to achieve rapid heat and mass transfer. It is engineered around four integrated principles that work together to give processors precise, high-throughput drying performance.
Selective Processing
Material is introduced into a high-velocity hot-gas stream, where particles are immediately dispersed and conveyed upward through the drying column. The key principle is selective processing: larger, heavier, and wetter particles resist the gas velocity and remain in the active drying zone longer, while smaller, lighter, and drier particles are carried out of the column more quickly. This means every particle’s residence time is proportional to the drying it actually needs, producing a homogeneous final moisture content without over-drying fines or under-drying coarse particles.
High-Temperature Short-Exposure Drying
Because residence time in the flash dryer is measured in seconds rather than minutes, inlet gas temperatures can be significantly higher than those used in conventional dryers without damaging the product. The material surface temperature remains close to the wet-bulb temperature of the gas throughout the active drying phase, protecting heat-sensitive materials from thermal degradation while still achieving rapid moisture removal.
Feed Preparation and Dispersion
Wet, sticky, or pasty feed materials are conditioned before entering the drying column using mechanical disintegration devices, custom feeders, or back-mixing systems that blend incoming wet feed with already-dried product. This dispersion step is critical to performance: it ensures the material enters the gas stream as individual particles rather than agglomerates, maximizing surface area exposure and enabling efficient drying from the first moment of contact.
Design Flexibility
Heyl Patterson offers conventional flash drying technology alongside proprietary Rotacurrent and Venturijet designs, each suited to different material characteristics and throughput requirements. Flash coolers are also available to rapidly reduce product temperature after drying or other thermal processing steps. The main body can be clamped or bolted for interior access, and custom feeders, air slides, and bag filters can be integrated to match the specific demands of the application.
Key Benefit
This design is well-suited for quickly drying powders, granules, filter cakes, and high-moisture materials, including chemicals, minerals, plastics, gypsum, flour, and municipal solid waste, where minimizing thermal exposure, maintaining product integrity, and achieving consistent final moisture content across variable feed conditions are essential to production quality.
Flash Dryers & Coolers FAQs
What is a flash dryer & cooler?
A flash dryer and cooler is a pneumatic processing system that rapidly dries or cools fine particulate materials by suspending them in a high-velocity stream of hot or cool gas. Because the particles are dispersed in the gas stream, heat and mass transfer occur very quickly, allowing moisture removal or cooling in a matter of seconds.
What materials are typically processed in flash dryers & coolers?
Flash dryers & coolers are commonly used for fine powders, filter cakes, pastes, and slurries. Typical applications include starches, minerals, chemicals, pigments, and food ingredients.
Why choose flash drying instead of other drying methods?
Flash drying is ideal for materials that require rapid moisture removal and short residence times. The process can handle heat-sensitive materials while maintaining consistent product properties.
How does a flash dryer handle sticky or wet materials?
Flash dryers often include mechanical disintegration devices or feed systems that break apart wet agglomerates before drying. This allows the material to disperse in the air stream and dry efficiently.
What are the benefits of flash drying & cooling systems?
Flash dryers offer compact system design, rapid drying times, continuous processing capability, and efficient moisture removal. They are commonly used when production requires high throughput and consistent powder characteristics.