High Quality Spray Drying Solutions
TEC Square has hands-on experience on high-TS spray drying solutions. The advantages for operation are enormous. Firstly, this technology will increase the nominal output of a spray drying operation. Secondly, the process simultaneously improves the quality of the product as less water is evaporated. In order to have an effective High-TS Spray Drying operation, two processes in the current operation will need to be changed:
- Evaporation. A high-TS process will require a special finisher operation. A falling-film evaporator gives too much fouling at high concentrations and is not suitable. TEC Square uses a Rototherm-E for as finisher. It is the ideal evaporator for this purpose. Product concentrations of 60-70% are no exception. And product losses are kept to a minimum. As a result, run times on the existing evaporator can normally be prolonged as well.
- Spray Drying. Secondly, the spray drying process will require a hot air spray nozzle set-up capable of spraying a higher concentration. TEC Square developed its own concept for this High-TS nozzle.
- Higher product quality. The quality of the final product is better, as less water is evaporated.
- Less product losses. The design of a Rototherm-E finisher creates hardly any fouling. Losses are normally restricted to 0.1-0.2%, based on total throughput.
- Increase in nominal output. The output of the plant can increase up to 30% if the spray drying operation is the bottleneck.
- As there is less water in the concentrate per powder, capacity increases dramatically
- Also, as the concentration is more constant, variation in production capacity is removed. A Rototherm-E finisher has the capability to maintain a stable concentration over time.
- Lastly, as there is less CIP time required due to the low fouling conditions in the Rototherm-E finisher and evaporator, the OEE of the plant increases.
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High-TS Spray Drying – Only advantages
TEC Square has extensive experience in designing spray drying operations, that function at high-TS conditions. An increase of 10-30% in capacity per dryer is often possible.
Characteristics and advantages of High-TS Spray Drying
Characteristics | Advantages | |
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Product Concentration technology | TEC Square uses Rototherm technology as a finisher. This evaporator gives easily concentrations for spray drying of 60%. |
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Spray nozzle technology | The dryer is equipped with a special air and spray nozzle distributor that is capable of handling and effectively spraying at this concentration. |
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Instantaneous capacity | This solution increases the hourly capacity as less water will need to be evaporated. Under normal circumstances, the equipment could be retrofitted to an existing spray drying operation. |
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Yearly capacity | Our solutions also increases the available running hours. This increases the total output per year as well. |
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Product Quality | High-TS Spray drying uses a more concentrated liquor as supply. As the ratio solids to water is more elevated, less water evaporation will take place. |
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Agglomeration | TEC Square has developed an in-line Agglomeration principle as well. This technology is fully compatible with the High-TS technology. |
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