- In contact dryers, drying the surface temperatures of the heater in places exposed, so only use t

Usually there is little dryer suitable for drying many kinds of products have different shapes. The choice depends on the dryer: shape, size and chemical composition of the dried material, material form (form slices, lumps, powder, lavanderia solid, liquid ...). Also need to know the shape and change the status lavanderia of the material in the drying process as the co handful, cracks, delamination ... what quality is the most powerful change. 2 The shape, size
+ For bulk materials, small and thin layer drying: use flash dryer, spray dryer, pneumatic dryer or dryer cylinders. To quickly drying small people can do, make thin material before drying. For thin layer drying: drying machine can use radiation.
Can use the dryer with special mechanical structures for drying material evenly distributed, for example, off the island dryer, drum dryer, lavanderia rotary disc dryer ... dryer can be combined with mill shaft screw. 3 Yield products
- In contact dryers, drying the surface temperatures of the heater in places exposed, so only use those products sensitive to temperature, the drying process occurs very quickly not use dryers use of radiation for the temperature-sensitive, so vulnerable to heat products lavanderia endangering local products.
- For some products need to pay attention to the tension-sensitive, prone to shrinkage cracking lavanderia during drying under mechanical stress effects Strengths: Can use convection dryer allows you to adjust drying parameters appropriate to each type of drying products. In some cases, can use special lavanderia drying methods: drying by high-frequency currents, vacuum drying and freeze drying.
+ To draw moisture free: use the recirculating dryer to save energy (moisture can break free and quickest moisture wettability lavanderia by centrifugation and pressure). For the adhesive material: can use the flash dryer, after material is processed lavanderia into powder or thin dry layer.
2 can coordinate dryer, for example, for bulk products can be combined air dryer with the fast-acting effects dryer drum slowly. For the pasta shape can be combined with roller dryer conveyor dryer. 6 The nature of the product after drying
Often the commercial value of the product depends lavanderia on the organoleptic and stability. Product is not much difference lavanderia in quality and moisture, if the humidity is not satisfactory should be re-dried. The product should be packaged and decorative packaging according lavanderia to weight certain convenience to users. 7 Fix dust and condensation
For the dryer, especially convection dryer air used as drying agents, air currents carry the small particles and impurities and dust dried product is discharged into the surrounding environment. With the use of the product drying air volume or velocity at small air born dust less, for example, the type of contact dryers, they can not use parts dust. Conversely, people need to clean the dust out of the air dryer when the dryer to cause more dust.
For dried material lavanderia containing high moisture content, water vapor generated lavanderia during the drying process can be condensed, localized wetting drying products can damage or reduce the quality of the product lavanderia during storage. To overcome this phenomenon it is possible to use exhaust fans or dryer at the end of the insulation around the dryer, dryer, especially when working in rain and winter weather. 8 Clean the dryer
During the working process of the dryer cheap, very small particles lavanderia of impurities and drying the product, even partially dried product hold a number of positions within the dryer, prevent drying and if so long time generates the local block microorganisms. So the structure of the dryer to ensure hygienic dryer is easy and quick. 9 The area of operation of the dryer
Includes heat needs to draw moisture from the drying material and demand for motive power (fan, transport ...). Generally the contact dryer needs less energy while convection dryer and the dryer heating products in many ways (mixed) with high energy demands, so use temperature regime low drying air for drying nhungmay this. 11 Drying Costs
The most expensive method is drying and freeze drying drying high-frequency electric field. These methods are often used for high-end products, especially quality requirements. Hopefully, the company's share in the oven cheap Duc Phat do you feel comfortable.
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