油炸鍋

Features

Fryers usually have a basket that places food into the tank and raises it after the food has finished cooking. Fry baskets purchased separately are not standardized and need to be selected to fit the fryer. There are timers and alarms, automatic devices to raise and lower the basket in and out of the oil, ventilation systems to remove frying smells from the kitchen, oil filtration systems or chemical treatments to increase its reusability, and mechanical or electronic temperature controls, transparent Save energy and prevent fires by continuously sensing and regulating oil temperature.

Production

Modern commercial fryers have improved energy efficiency due to better heat transfer systems. Commercial deep fryers with infrared heating or convection heating are efficient but often expensive. Infrared heating uses a radiant heat transfer process, convective heating occurs through air circulation, and a standard fryer utilizes hot combustion gases. Most standard fryers are very hot and require care when using them. The most common deep fryer models are electric fryers and gas fryers.

Electric restaurant fryers are popular among countertop models because of their mobility and ease of installation. They lose less heat than gas fryers because their heating element is immersed in the oil and the temperature recovery time between frying cycles is faster. Gas fryers heat faster and cook at higher temperatures than electric fryers. They can be powered by natural gas or propane, both of which are generally cheaper than electricity. This makes gas power particularly popular in floor-standing fryers. Commercial deep fryers are typically made from mild steel or stainless steel. Stainless steel is less susceptible to corrosion or staining than mild steel. Mild steel also expands when heated, which can damage the weld over time. Therefore, stainless steel fryers typically have a much longer warranty than mild steel fryers.

Some commercial fryers have a "cold zone" at the bottom of the fryer. This is where food particles (such as crumbs, batter, or food scraps) sink, and the cooler temperature prevents them from burning and contaminating the oil. [6] Tube fryers have a larger cold zone because the tubes are slightly higher than the bottom of the pot, leaving plenty of room for cooler oil and crumbs. This is especially useful for cooking heavily breaded foods, such as blooming onions. Tube fryers are more difficult to clean than open fryers, but tube fryers provide easy access to the heat source. Tube fryers are generally less expensive than open fryers.

Open skillets have an external heat source, which makes them easier to clean and allows for better contact with the oil, but they generally offer a smaller cold zone, so food particles may contaminate the flavor of the oil. However, these fryers are great for handling lightly breaded foods. Flat-bottomed restaurant fryers (another type of open fryer fryer) can also be difficult to clean and don't have a cold zone, but they are very effective for frying dough. The fryer can also be used with a batter collection insert to prevent loose batter from quickly scorching on the normally heated bottom. The batter collector also helps prevent loose batter from stirring in the oil and sticking to subsequent batches of food, making food taste better and extending the usability of the cooking oil.

Some home deep fryers feature an angled, motorized rotating basket that circulates its contents through the hot oil. This design reduces the amount of oil required by about half compared to conventionally designed fryers. Home fryers are usually much smaller than commercial fryers, typically having a capacity of two to four liters.

temperature control

Temperature control of the fryer is possible, but not common. Without them, the fryer will need to be constantly monitored to ensure safety. Fryers on the market today sometimes have computerized temperature controls, especially commercial fryers. In fact, some modern deep fryers have automatic shut-off controls in case temperatures get too high, which adds another level of complexity and safety. Even if the device has a temperature control feature, it is best to use a separate or external thermometer to prevent malfunctions and ensure that the internal temperature of the food complies with government regulations.

oil filtration

Oil filtration systems, chemical treatments, or absorbent powders (diatomaceous earth or synthetic magnesium silicate) can all help remove tiny food particles that are not always visible. Using these systems can double the life of your oil. Oil filtration systems can sometimes be purchased as an enclosed part of the fryer to avoid employees participating in the somewhat dangerous process of filtering the oil using an external system. Many restaurants use portable oil filtration systems to transport waste oil to a disposal area. However, even old oil is not completely useless. There are methods (involving other chemicals and machinery) to "recycle" old oil into biodiesel to power diesel vehicles. Biodiesel improves energy security, brings many environmental benefits, and even helps reduce greenhouse gas emissions. Avoid pouring used oils, such as fats and grease, down the drain as this can cause food to build up and clog pipes, restricting the flow of liquids. This often results in expensive repairs and cleaning.

Accessories

Fryer accessories are products designed to improve the frying process. A typical accessory for a fryer is a fry basket, which holds the items to be fried and allows the user to remove the food from the fryer without using additional tools. A skimmer is a screen (coarse, medium, or fine) attached to the handle that is used to remove food from the fryer. A thermometer is a must-have accessory for your fryer, as temperature is crucial to getting the best tasting food and ensuring your food is cooked to the proper temperature. To ensure the fryer itself remains in good condition, a cleaning solution is needed, and a pump and filter can help keep the oil clean. The cleaning brush helps scrape away burnt food bits from the sides and bottom of the fryer without damaging the fryer.

automatic fryer

Automatic fryers come in different systems consisting of single or double basket units for loading, cooking and serving food. Refrigerator compartment with portion controller and dispenser, separate cooking chamber with frying vessel. Most automatic fryers come with an air filtration system that removes the greasy smell of fried foods. The system also contains a microprocessor controller. Some automatic fryers have automated features that ensure food continues to cook at the correct temperature and for the correct amount of time.

Fire risk and personal safety

Since food needs to be cooked at high temperatures to kill bacteria and pathogens, precautions need to be considered. One of these precautions is to use water and other solutions around the fryer, as water or ice meeting hot oil can cause gurgling, splattering and bubbles to occur on nearby surfaces or objects. In fact, using water or ice with hot oil can cause the water to evaporate at high temperatures, causing serious bodily injury or a thermal explosion. This is often called flash point and should always be avoided. It's better to use a chemical agent like a fire extinguisher or cover the oil with a non-porous object like a metal lid or plate rather than using a liquid like water. Another precaution to consider when using a deep fryer is to ensure that the oil does not spill when you place food in the fryer and that the food is fully submerged to ensure even cooking, especially for items like turkey. If the oil encounters flames from stove top burners and other sources, the results can be life-threatening, as can heated or gaseous oils that can explode near workstations, causing wall and ceiling fires at the same time. Another factor that can cause an oil fire is the environment around the fryer, such as keeping the work area clear of objects and placing the hot oil container/fryer on a smooth surface to avoid spills. Additionally, carbon monoxide is produced during the frying process, and insufficient ventilation/air circulation can lead to poisoning of personnel in the area, which is particularly dangerous, so carbon monoxide detectors should be kept in working order.

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