Mesh Belt Dryer Working Principle

A mesh belt dryer works by drying material on a lower mesh layer and then turning it over to the upper layer. This ensures even heating and drying without damaging the shape or consistency of the material. Different types of raw materials require different drying temperatures and times. If you’re unsure of what type of raw material you use, speak to your sales manager to find the right model for your business. They will be able to recommend the best dryer for your specific needs, depending on the raw materials and output.

Convection type dryer

The Convection type mesh belt dryer works with the principle of mass transfer to remove moisture from the material. It consists of several units, each circulating hot air independently. The exhaust gas is discharged through a dedicated exhaust fan, while part of it passes through a regulating valve. The belt moves slowly, and the dried product continuously falls into the receiver. A feeder spreads the material evenly on the mesh belt.

This dryer is made up of several components: feeding device, conveyor belt, heating system, and air circulation system. The feeding device spreads the materials evenly on the conveyor belt, which is driven by a speed regulating device. The drying process is continuous and involves passing the raw material through different layers until it is completely dried. The fan, which circulates the air, carries the materials through the material layer. The dry air passes through the material layer from top to bottom.

Mesh belt dryer

A Mesh belt dryer works on the principle of a continuous conveyor. The material is dried by moving it over a mesh belt in layers, which is positioned on an upper layer. The hot air moves upwards and passes through the belt and the material, thus drying the material evenly and without damaging its shape. Different types of raw materials require different drying temperatures and times. Therefore, a sales manager should recommend the correct model for your production process, depending on the raw materials and output you plan to dry.

The Mesh belt dryer is usually used in industrial settings where drying speed and uniformity are important. The drying process is achieved by evenly distributing the material on a five-layered stainless steel mesh belt. A transmission device drives the mesh belt and hot air flows through the material. Mesh belt dryers are one of the most common forms of continuous drying equipment. They are particularly suitable for drying granular, strip, and flake materials with proper ventilation.

Flexible belt dryer

The Flexible belt dryer works on the principle of air-to-material contact, and the drying time is controlled by changing the conveyor belt speed. This dryer is designed for the drying of fibrous and non-flowing materials, and all heating media are compatible with it. The principle is simple: the air passes through the material layer from the top down, and the dried product is discharged through the outlet. It is suitable for a variety of materials, including fibrous, granular, and sheet materials. Some are also suited for pre-molded materials, such as pastes.

The mesh belt, which is generally made of stainless steel or non-metallic material, is used to spread the raw material evenly onto the bed. The conveyor is driven by a transmission device. The belt moves slowly and evenly inside the dryer, which is comprised of several units. Each unit circulates hot air independently, while a special dehumidification fan is installed on the exhaust side. The hot air passes through the mesh belt covered with the materials, reducing the amount of heat damage to the feed material.

Environmentally friendly

The Environmentally friendly mesh belt dryer works on the principle of convection to dry materials in a closed manner. It dries a wide range of materials, including foodstuff, acryl fibre, and monosodium glutamate. Besides, it can also be used for de-watering of various materials, such as vegetable and other pastes. This drying machine is highly efficient in reducing the moisture content of various products, and can be adapted to various drying processes, such as the production of finished briquettes.

The special mesh construction of the dryer belt ensures effective dust retention, and thus removes the need for external air purification. After the material is spread evenly on the belt, the top layer is peeled off and the residual moisture is transferred to the second distribution screw and dissipated. The material falls steadily into the receiver. During this process, the moisture content in the material varies according to its type.


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