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Introduction

The thin film dryer is a special type of thin film evaporator. There are two types of thin film dryers, the vertical and the horizontal dryer. It has large drying area and high thermal efficiency, which can ensure that the material is thoroughly dried. The machine is mainly used for drying items with high viscosity and high water content. It is widely used in industrial sludge, urban sludge, food, chemical, petrochemical and other fields.

Work Process

The thin film dryers can be operated  continuously. It is applied for a wide range in vacuum, atmospheric and overpressure. They consist of a horizontally arranged heating enclosure with end caps and a rotor with bolted blades. The wet product supplied through the inlet nozzle is picked up by the rotor blades, applied to the hot wall and simultaneously delivered toward the outlet nozzle at the opposite end of the body.

The generated steam flows countercurrently to the product stream and exits the dryer near the feed nozzle. The capabilities of evaporation and delivery are adjusted by the right rotor blade arrangement.

Entrained particles from the drying zone are removed in the wet zone. Moisture content can reach less than 1%. The residence time of the product is usually 5 to 15 minutes.

The thin film dryer are suitable for drying of solid particles dying, product melting and other applications.

The excellent heat transfer rate of the hot solid product allows for the cooling of large amounts of solids in a compact machine compared to the commonly used cooling screws and no cooling air.

In the melting of the product, such as urea. The melt can be mixed with other liquid and solid additives to improve the performance of the final product.

Advantages

Wide range of feed characteristics: liquid, paste, solid

High throughput per unit based on thin film principle

Dry product is sticky during the transition from paste to solid

Small products are kept in the dryer

Quick start and close

No remaining products at rest

We devote ourselves to providing customers with competitive Customized Hg Series Single/Double Cylinder Rotary Cylinder Dryer and services, creating value for customers, teams and society. Our company currently has many excellent talents, mature market channels, and a good corporate reputation. In the future, we will wholeheartedly provide customers with excellent products and services with competitive prices. We introduce international advanced technology and management experience, insist on continuous innovation, to provide comprehensive services and products with strong market competitiveness to our customers, thereby reducing costs for them.

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