Séchoirs et refroidisseurs instantanés
Le séchoir flash Heyl Patterson est utilisé pour sécher rapidement des matériaux à forte teneur en humidité et sensibles à la température, avec un rendement thermique élevé. Ces matériaux comprennent les produits chimiques, les minéraux, les boues, les denrées alimentaires, les plastiques, le gypse et le pré-séchage des fibres de chanvre et de bois. Grâce au principe du traitement sélectif, cet appareil garantit que le temps de résistance de chaque particule est proportionnel à sa taille et à son poids, ce qui permet d'obtenir un produit de haute qualité, exempt de dégradation physique et chimique.
Grâce au traitement sélectif, votre chaîne de production fournira un produit commercial de haute qualité avec une teneur en humidité finale homogène, sans dégradation physique ou chimique.
Caractéristiques et avantages
- Assure une teneur en humidité finale homogène sans dégradation du produit.
- La conception compacte du flash permet de traiter efficacement de grandes capacités dans un espace plus réduit que les séchoirs conventionnels.
- Sèche rapidement et efficacement les poudres et les granulés à forte teneur en humidité.
- La rapidité du séchage rend les séchoirs flash idéaux pour une utilisation en tant que pré-séchoirs afin d'augmenter la capacité de production des lignes de traitement existantes.
- Gère des cadences d'alimentation allant de 50 à 1600 livres par heure.
- Alumine
- Farine
- spath fluor
- Déchets municipaux solides (MSW)
- Polyéthylène
- Bicarbonate de sodium
Conceptions de séchage flash
De la technologie conventionnelle de séchage flash à nos modèles Rotacurrent et Venturijet, les matériaux sont séchés rapidement et efficacement. Nous proposons également des refroidisseurs flash pour abaisser rapidement la température de vos produits.
Nous proposons également des séchoirs et refroidisseurs rotatifs ainsi que des séchoirs et refroidisseurs à lit fluidisé pour répondre aux autres spécifications de nos clients.
Nos séchoirs industriels à flash peuvent utiliser des températures de gaz plus élevées que les autres technologies de séchage, car le temps de rétention des matériaux est très court.
Conçu selon vos spécifications uniques ou par nos ingénieurs pour dépasser les exigences spécifiques de votre application, chaque séchoir flash peut être testé dans notre centre d'innovation et notre laboratoire d'essai avant que la conception finale ne soit mise en œuvre.
Parlez à un expert.
Options et accessoires
- Options de séchage et de refroidissement
- Transport pneumatique pendant le séchage
- Filtres à manches
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.
Comment ça marche
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.