Flash drying system for starch production
Release Time：2020-10-12 18:43Author：sd888Source：未知
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Starch dryer introduction:
Starch dryer is widely used in potato starch production line, sweet potato starch production line, cassava starch production line, corn starch prodution line, wheat starch production line and so on. The main fuction of starch dryer is taking out the water in the wet starch in short time to get the final dry starch. Small capacity starch dryer can equip hot air stove, big capacity starch dryer must equip with steam boiler. sda starch dryer has lower height than other factory starch dryer, so the starch dryer will save more space and easy for installation and maintaince. Besides, the dry starch temperature of starch dryer is lower, so it can keep the native of the starch. The high heat exchange rate of starch dryer leads to high drying efficiency and short drying time.
Air dryer machine is a continuous drying machine used for drying starch cakes by disintegrating wet cake into fine powder and dried by air dryer machine using hot air to form powder. The whole process of air drying is fully automatic requiring no handling or human involvement. The feed rate of air dryer machine is adjusted automatically as per the variation in moisture content in wet cake thereby achieving consistent product quality.
sda air dryer machine is a new type of starch drying machine developed by sda Company on the basis of introducing advanced foreign technology. The main characteristics of this flash dryer is as follows:
1. Wide range of applications. Suitable for drying of cassava starch, cassava flour, potato starch, sweet potato starch, corn starch, etc;
2. The air dryer machine has advanced technology, reasonable design, and compact structure;
3. Large production capacity, good product quality, high efficiency and energy saving;
4. This air dryer machine integrating drying, pulverizing and sieving into one which effectively eliminate environmental pollution;
5. Excellent sealing performance, preventing starch from pollution due to contact with air;
6. The flash dryer is equipped with an automatic cooling system to ensure the moisture uniformity of the dry materials.
Description of flash drying system
Flash drying system is the ideal equipment for tapioca starch production. Starch dried by this equipment features in clean appearance, glossy luster, smooth powder, and stable moisture while wheat gluten features in high water absoption, excellent activity and original flavor.
Flash drying machine can be designed and produced based on customers' requests on space and warehouse, which is convenient for installation, operation and maintenance.
Air speed in this flash drying system is continuously changed because of different section diameters of pulse tubes, therefore, heat transfer coefficient is high and mass materials can be dried well.
This equipment features in simple structure, easy operation, low investment, as well as compactness.
Working principle of flash drying system
Starch drying equipment configuration:
1. The starch drying equipment adopts a closed negative pressure operation to eliminate the dusting phenomenon under positive pressure;
2. The bottom of the main starch drying equipment adopts the reinforced pulverizing device, which can break up the agglomerated wet materials to avoid the settlement of the materials and ensure the uniformity of product fineness;
3. The combination of dry straight pipe and pulse drying pipe of starch drying equipment ensures that the dried material has sufficient residence time in the dryer to achieve the purpose of material drying and reach the final moisture requirement of the material;
4. In order to increase the product yield and reduce the exhaust dust emission, the micro-powder recycling uses the pulse bag filter to recover the dust, and the effect is very good.
Sludge, powder and granular material are in the state of suspension under the effect of high-speed hot air in this starch dryer machine. As flow speed is high, the wet tapioca starch particles suspended in air, the heat transfer surface and heat transfer coefficient of gas-solid is high, and drying time is short (most of the dry material less than 2 seconds), it is particularly suitable for drying of heat sensitive materials.
During the drying process, clean the air heater through the cold air from the wet starch after delivering the transport auger feeder into the air duct by the young wet starch mixture, are instantly dry, dry starch cyclone, discharging auger off air control exhaust, emissions into the atmosphere by the fan.
The machine can be controlled, both manual and automatic operation. When it is by automatic control, the exhaust gas temperature of automatic measure by water controlled will send back the signal to the previous feeding adjustable motor. By this way, the feeding capacity can be controlled. Also the output moisture content of tapioca starch production will be ensured.
The starch dryer has features of low power consumption, high capacity and easy operation and installation.
The starch dryer tower can be made of aluminum material and 304 stainless steel material to reach different customers requirement. The aluminum material tower starch dryer price is lower than the 304 stainless steel starch dryer.
Starch dryer can applied in following starch production line :
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