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Single level belt dryer for fruit and vegetable dehydration

Short Description:

DW single-layer belt dryer is a continuous flow drying equipment, used for drying flakes, strips, and granular materials with good air permeability. It has high moisture content for dehydrated vegetables, Chinese herbal medicines, etc. It is especially suitable for materials whose temperature is not allowed to be high; this series of dryers have the advantages of fast drying speed, high evaporation intensity and good product quality.


Product Detail

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Product overview

DW single-layer belt dryer is a continuous flow drying equipment, used for drying flakes, strips, and granular materials with good air permeability. It has high moisture content for dehydrated vegetables, Chinese herbal medicines, etc. It is especially suitable for materials whose temperature is not allowed to be high; this series of dryers have the advantages of fast drying speed, high evaporation intensity and good product quality.

Single level belt dryer01

Product description

This machine is a continuous-flow drying equipment used for drying flake, strip, and granular materials with good air permeability. It is especially suitable for materials with high moisture content and high temperature, such as dehydrated vegetables and Chinese herbal medicine pieces. This series of dryers have the advantages of fast drying speed, high evaporation strength, and good product quality. For the paste-like materials in the shape of dehydrated filter cakes, they can be dried after being granulated or made into rods.

single level belt dryer1
single level belt dryer2
single level belt dryer3

Sketch of structure

Single level belt dryer02

Working principle

Materials are evenly spread on the mesh belt by the feeder. The mesh belt generally adopts 12-60 mesh stainless steel wire mesh, which is driven by the transmission device to move in the dryer. The dryer is composed of several units. Each unit circulates the hot air independently. Part of the exhaust gas is discharged by a dedicated exhaust fan. The exhaust gas is controlled by a regulating valve. The process of mass transfer takes away material moisture. The mesh belt moves slowly, the running speed can be adjusted freely according to the temperature of the material, and the dried product continuously falls into the receiver. The upper and lower circulation units can be flexibly equipped according to user needs, and the number of units can also be selected according to needs.

Performance characteristics

The air volume, heating temperature, material residence time and feeding speed can be adjusted to obtain the best drying effect.
The equipment configuration is flexible, and the mesh belt washing system and the material cooling system can be used.
Most of the air is recycled, which saves energy.
Unique air distribution device makes the distribution of hot air more even and ensures the consistency of product quality.
The heat source can be matched with steam, heat transfer oil, electricity or coal (oil) hot blast stove.

Adapt to materials

Dehydrated vegetables, pellet feed, monosodium glutamate, coconut paste, organic pigments, synthetic rubber, acrylic fiber, medicines, medicinal materials, small wooden products, plastic products, electronic devices without aging, curing, etc.

Technical parameters

spec unit DW-1.2-8 DW-1.2-10 DW-1.6-8 DW-1.6-10 DW-2-8 DW-2-10
unit number   4 6 4 6 4 6
belt width m 1.2 1.2 1.6 1.6 2 2
drying section length m 8 10 8 10 8 10
thickness of the material mm 10-80
temperature °C 60-130
steam pressure Mpa 0.2 ~0.8
steam consumption kg/h 150-300 150-375 150-375 170-740 170-740 225-600
drying time h 0.2-1.2 0.25-1.5 0.2 ~ 1.2 0.25-1.5 0.2 ~1.2 0.25-1.5
drying strength kgH2O/h 60-160 80-220 75-220 95-250 100-260 120-300
total power of the blower kW 9.9 12.1 9.9 12.1 18.2 22.2
total power of the equipment kW 11.4 13.6 11.4 13.6 19.7 23.7

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