How to choose frying machine

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When choosing the frying machine, users have many choices. Which one can they choose? the oil heating machine or the electric heating machine? what are the fundamental differences between them?

Generally speaking: everyone will recognize that  McDonald's chicken is representative of french fries.  they use electric machines to process the potatoes.

The heating mode of the frying machine includes gas mode, indirect heating method of heat-conducting oil, and electric heating mode.
Frying machine
The frying temperature of frying products is generally above 180 degrees, up to 205 degrees, because the burning point / smoke point of various oils is about 230 degrees.

Heat conduction oil heating needs an external heat conduction oil boiler. The special grease with high heat capacity and non-expansion of heat medium is used. Its main advantages are:

(1) the heat distribution in the frying machine is uniform.

(2) there will be no oil temperature rise and fall, so the color and quality of fried products are more stable.

(3) The input temperature of the heat conductive oil is 260 degrees, the output temperature is 240 degrees, and the temperature difference is 20 degrees. The damage degree to the frying oil is low and the service life is longer.

(4) the use of spare parts of the frying machine is limited.

(5) The frying machine is easy to clean.

The electric heating method is simple and can be used as long as the power is connected, but its main disadvantages are:

(1) the exchange temperature is high, that is, the surface temperature of the electric heating tube is more than 300 degrees, which destroys the frying oil very much.

(2) spare parts, especially electrical components, including electric heating pipes, need to be replaced on time, with higher cost.