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The electric blast drying oven adopts the electric heating method for the blast circulation drying test, and is a commonly used instrument and equipment, and is widely used in various industries such as chemical industry, medicine, casting, automobile, food, machinery and the like. What issues should be paid attention to when using the electric blast drying oven? The following is a small series to introduce the key points of the electric blast drying oven, hope to help everyone.
Electrothermal blast drying oven use points
1. After connecting the power supply, you can turn on the 2 sets of heating switches, first turn on the blower switch to make the blower work, and then set the temperature of the control instrument to the temperature you need.
2. When the temperature rises to the desired temperature, the indicator light is off. At the beginning of the constant temperature, the temperature may continue to rise. This is the effect of residual heat, which will tend to stabilize in about half an hour. In the constant temperature process, the temperature control is automatically controlled by the thermostat in the box without manual management.
3. When the temperature is constant, a set of heating switches can be turned off, leaving only one set of electric heaters to work, so as to avoid excessive power and affect the sensitivity of the constant temperature.
4. The box should be placed indoors.
5. A metal knife switch should be installed in the power supply line for the purpose of this box and ground the case.
6. Please check the electrical performance of the box before powering on, and pay attention to whether there is open circuit or leakage.
7. When everything is ready, put in the sample, close the door and unscrew the top exhaust valve. At this point, you can connect the power supply and start working.
8. Do not arbitrarily remove the side door, disturb or change the line. Only when the box fails, the side door can be removed and checked one by one. If there is a major fault, you can contact the factory.
9. This box is a non-explosion-proof drying box, so it has flammable volatiles. Do not put it in the dry box to avoid explosion.
10. Each drying oven is provided with two specimen shelves. The average load per shelf is 15 kg. Do not over-tighten and overload the test specimens to avoid affecting hot air convection. At the same time, the test piece should not be placed on the heat sink at the bottom of the studio to prevent overheating and damage the sample.
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