Types and selection methods of electric ovens

2022-07-22
  • Detail

Electric oven, also known as electric oven, is an electric cooker that uses radiant heat generated by electric heating elements to bake food. The electric oven can be used to bake bread, cakes, pancakes, chicken, duck, goose, ribs, barbecued pork and peanuts, as well as Western dishes such as steak and macaroni. The electric oven is characterized by simple structure, cleanness and sanitation, and convenient use and maintenance. Although the efficiency is not comparable to the microwave oven, the price is low, and the surface of the baked food is burnt yellow, with good color, flavor and taste, which is not comparable to the microwave oven

electric oven, also known as electric oven, is an electric cooker that uses radiant heat generated by electric heating elements to bake food. The electric oven can be used to bake bread, cakes, pancakes, chicken, duck, goose, ribs, barbecued pork and peanuts, as well as Western dishes such as steak and macaroni. The electric oven is characterized by simple structure, cleanness and sanitation, and convenient use and maintenance. Although the efficiency is not comparable to that of the microwave oven, the price is low, and the baked food has a yellowish surface and good color, flavor and taste, which is not comparable to that of the microwave oven

Fangtai appliances

household electric ovens are roughly divided into simple type, ordinary type and high-end type according to their functions

I. simple electric oven

this is an early product put into the market. Its structure is that the shell made of metal sheet is equipped with sheet far-infrared radiation electric heating elements or electric heating wires, and the sliding door made of double-layer sheet is installed. The 220V power supply is directly connected. The power cannot be adjusted, and the temperature cannot be controlled. When baking food, we can only master the time according to experience, or use the method of switching on and off from time to time to master the fire, which is inconvenient to use, If you don't master it well, the baked food is either raw or burnt. At present, such products have been phased out

II. Ordinary electric oven

it is a common variety in the market at present, including automatic temperature regulation, automatic timing and automatic temperature regulation timing products. This kind of electric oven is mainly composed of box, inner cavity, heating element, temperature controller, timer, power lead, baking pan, baking net, handle fork and other accessories. The shell surface is sprayed with colored amino baking paint, and the inner cavity is of loading and unloading type. The high and low positions of the baking pan and baking net can be adjusted according to the needs of the grids on both sides. Most furnace doors adopt spring structure, and the middle is inlaid with high-temperature tempered glass transparent windows. Heating elements include metal tubular heating elements, milky quartz glass heating elements, and sheet-like far-infrared radiation heating elements. The temperature controller on the panel is the control system of the electric oven, and its working state is displayed by red and green indicator lights. The temperature controller adopts bimetallic chip temperature control elements, and the timer is generally mechanical. Some electric ovens also have power change-over switches, and the surface fire and primer can be controlled separately to obtain different heats

III. advanced electric oven

this kind of advanced electric oven is rarely seen in the market at present. It is different from ordinary electric ovens in that it has tighter structure, more beautiful appearance and more complete functions. The shell is made of stainless steel sheet and adopts three-layer double cavity structure, which greatly reduces the temperature of the shell. In terms of control, in addition to the function of ordinary electric oven, it is also equipped with a low temperature range with a temperature of only 36 ℃, which is specially used for yeast fermentation. With burnt crisp “ Strong ” And “ Weak ” The switch is used to control the temperature fluctuation range and flexibly master the degree of crispness of baked food. In addition, the timer can sound the whistle in time to reflect the baking results in time

electric ovens can be divided into 500, 600, 750, 950, 1200, 1500W and other specifications according to their power. Domestic electric ovens sold in the domestic market are generally 500 ~ 750W

when choosing an electric oven, you should pay attention to the following points:

1. For an electric oven with automatic temperature control, the furnace temperature should be adjustable within the range of 100-250 ℃, and the controlled temperature error is less than ± 10%。

2. For electric oven with automatic timing control, the control time should be within 0-mdash; Continuously adjustable within 45min, and the travel time error is less than ± 10%。

3. The time for the lumen temperature to rise from room temperature to 200 ℃ shall not exceed 15min

4. The thermal efficiency of electric oven is greater than 60%

5, the power deviation is less than +5%, — 10%。

6. The chromium plating layer on the inner cavity should be firm, rust free and bright; The baking pan enamel shall be heat-resistant and firm; Chrome plating layer of baking net shall be bright and smooth

7. The working life of the heater shall not be less than 1000h; The service life of the furnace door is more than 5000 times

the specific steps of choosing an electric oven are as follows:

1. Check the appearance

the baking paint on the box is smooth and thick without peeling; The chrome plating layer of inner cavity and baking net is bright, smooth and without peeling; The furnace door can be opened and closed freely. The grid is easy to disassemble and assemble; The heater is firmly installed and can be unplugged with appropriate force

2. Power on test

turn on the power supply, turn the change-over switch to the power on position of the upper heater, the upper heating lamp will be on, and there should be a temperature rise after 3min. Then turn the change-over switch to the power on position of the lower heater, and the corresponding indicator light will be on. After a few minutes, it is required to have a temperature rise. Finally, put the switch in the full on position, and set the box temperature control value to 200 ℃, which requires the temperature to rise to 200 ℃ within 15min

3. Check regularly

for electric ovens with timers, check whether the timing time is accurate

4. Constant temperature inspection

test the constant temperature performance at 100 ℃ and 250 ℃

5. Other inspections

check whether the furnace door is tight, and observe whether the glass is bright and clean. Each function knob shall operate flexibly. Also check whether the baking pan, baking net, baking fork and other spare parts of the electric oven are complete

济南精神医院

肇庆不孕不育医院

长沙男科医院

Copyright © 2011 JIN SHI