Designing of the dryer section of nutritional yeast production plant – Industrial sector review – Part 20 Spray-air contact Mixing and flow is an important factor in the design of spray drier. The product and air flow into the dryer can be designed in co-current, counter-current or mixed flow patterns. Sine heat sensitive product is […]
Feb 29 2012 | Posted in
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Designing of the dryer section of nutritional yeast production plant – Industrial sector review – Part 18 Feed cream is introduced centrally on to a wheel rotating at speed of 10 000 r.p.m. The feed flows outwards over the surface, accelerating to the outer boundary of the atomizer. The cream on leaving the atomizer readily […]
Feb 29 2012 | Posted in
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Designing of the dryer section of nutritional yeast production plant – Industrial sector review – Part 17 Atomization of feed It is necessary to dispense and distribute the cream under control conditions, which is done by the atomizer. Generally the atomizers are divided into two sub division, namely (1) Rotary and (2) Nozzle atomizers. The […]
Feb 29 2012 | Posted in
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Designing of the dryer section of nutritional yeast production plant – Industrial sector review – Part 16 PROCESS DESCRIPTION In this section, details of the mass and energy balances along with the drying process description are detailed. Introduction Yeast broth from the fermentor is delivered to separator which produces a thick suspension of yeast (cream). […]
Feb 29 2012 | Posted in
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Designing of the dryer section of nutritional yeast production plant – Industrial sector review – Part 15 For the cycle of the air, please see attached Psychometric charts Saturated Wet bulb temperature of the Air = 55 °C (after heating to 300 °C) Drying Air Mass flow rate = 20,685 kg/hr Drying Air Volumetric Flow […]
Feb 29 2012 | Posted in
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Designing of the dryer section of nutritional yeast production plant – Industrial sector review – Part 14 Using this efficiency, the total product loss is calculated as 0.06 x 348.5 = 2.091 k/hr, which equals 16560 kg/year (plant running for 330 days). The product is sold at £10/kg, which also includes further processing costs which […]
Feb 29 2012 | Posted in
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Designing of the dryer section of nutritional yeast production plant – Industrial sector review – Part 13 Using this efficiency, the total product loss is calculated as 0.06 x 348.5 = 2.091 k/hr, which equals 16560 kg/year (plant running for 330 days). The product is sold at £10/kg, which also includes further processing costs which […]
Feb 29 2012 | Posted in
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Designing of the dryer section of nutritional yeast production plant – Industrial sector review – Part 12 Using this efficiency, the total product loss is calculated as 0.06 x 348.5 = 2.091 k/hr, which equals 16560 kg/year (plant running for 330 days). The product is sold at £10/kg, which also includes further processing costs which […]
Feb 29 2012 | Posted in
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Designing of the dryer section of nutritional yeast production plant – Industrial sector review – Part 10 Product Separators After completion of the drying process, the product is separated from the air. During the operation, most of the product falls to the base of the chamber while small fraction of fine particles remain entrained in […]
Feb 28 2012 | Posted in
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Designing of the dryer section of nutritional yeast production plant – Industrial sector review – Part 8 Nozzle Atomizers Nozzle atomizers are best suited to less viscous fluids. These are also called pressure nozzles and are well known of their simplicity of design. The feed is fed to the nozzle under pressure and pressure energy […]
Feb 28 2012 | Posted in
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Designing of the dryer section of nutritional yeast production plant – Industrial sector review – Part 9 Nozzle Atomizers Nozzle atomizers are best suited to less viscous fluids. These are also called pressure nozzles and are well known of their simplicity of design. The feed is fed to the nozzle under pressure and pressure energy […]
Feb 27 2012 | Posted in
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Designing of the dryer section of nutritional yeast production plant – Industrial sector review – Part 7 Choice of Pieces of Equipment The key pieces of equipment that required careful selection were the atomizer and the separation equipment to be used in the spray dryer design. In each case there were number of variants which […]
Feb 25 2012 | Posted in
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