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A Process on a Tea Factory, Essay Example

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Observation: In a tea factory, drying is carried out using hot air at a given temperature. A boiler is used to heat water, thus convert it into steam. The steam passes through the radiator fins and high-speed air is blown past the radiators and collects the heat to the bed of a perforated plate. The heat required to dry the tea to below 4% moisture content is 150o C. However, the boiler produces enormous heat that can be used elsewhere. The amount of tea dried per unit time depends on the size of the drier. The bed of a drier has a standard width. There are two types of driers, the jumbo drier, and a standard drier. The jumbo drier is longer than the standard drier, however, the width of the two are the same. The throughput is the amount of dried tea coming out of the drier per unit time.

Hypothesis: The drier that has a higher throughput per unit time will have used more heat from the boiler. The amount of firewood used in an hour should be higher on the side where a lot of tea has been dried. Scientifically, heat is energy and energy is used to do some work.

Experiment: I will be to determining how much the drier could give me in an hour if I supply both driers, with 1000kgs of the same moisture content. At the same time, I use two boilers of the same capacity to fire the two driers, under the same conditions. I will like to know which drier has the high throughput per hour, and which boiler used more or less firewood.

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