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A deep fryer is a Kitchen Appliance used for Deep-frying . While commonly used in commercial kitchens, household models are available and have become common in countries with a tradition of preparing French Fried Potatoes at home.1 FEATURES Modern fryers feature a basket to raise food clear of the oil when cooking is finished. Fryers often come with features such as timers with an audible alarms, automatic devices to raise and lower the basket into the oil, measures to prevent food crumbs from burning, ventilation systems to reduce frying odors, oil filters to extend the usable life of the oil, and mechanical or electronic temperature controls. AUTOMATED DEEP FRYERS Industrial enterprises producing deep-fried Snack foods such as potato chips or pre-fried French Fried Potatoes use automated frying systems that consist mainly of the actual frying pan, a tube type Heat Exchanger to heat the frying oil, a filter, a circulation pump, a tank for fresh oil and the automation system, most often a PLC . As the product leaving the fryer contains a percentage of oil (in Potato Chips approx. 35%) there is a constant flow of fresh oil into the system. Sensors for the temperature of the oil, the oil level, different pressures in the system and other parameters are used as input for the PLC. FIRE RISKS Although less dangerous than some frying methods, such as Chip Pan s, deep fat fryers are known for being a dangerous fire risk and are a major cause of fires. One Huge Fire In A Food Processing Factory killed 25 people in 1991. Oil fires are difficult to extinguish, and pouring water over hot oil can cause explosions. Many companies produce special extinguishers just for putting out fryers. These fires can also be extinguished by salt. Domestic fryers often include a safety cut-out in case of overheating, for example if not enough oil is used or the fryer is switched on whilst empty. A reset button is included on most of these fryers to reset the safety device once the unit has cooled down; if a reset button is not included the fryer may need repairing if the safety device activates.An Underwriters Laboratories -produced video showing the dangers and Fire Hazard s of deep fat fryers can be found here . SEE ALSO REFERENCES |
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