How to Prolong the Service Life of High Temperature Muffle Furnace?

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How to Prolong the Service Life of High Temperature Muffle Furnace?

High-temperature muffle furnace is a heating device widely used in scientific research, industry and education. It is used for high-temperature treatment such as sintering, melting and ashing of samples. In order to extend the service life of the equipment and ensure its long-term stable operation, this article will provide you with some practical maintenance and use suggestions.

1. Equipment inspection

Appearance inspection: Before using the equipment, check whether the appearance of the equipment is damaged or scratched. Make sure that the equipment shell is intact to avoid damage to the internal circuit.

Power supply inspection: Check whether the power cord and plug of the equipment are intact to ensure that the power supply voltage meets the equipment requirements. Avoid using damaged power cords to avoid safety accidents.

Heating element inspection: Check the status of heating elements (such as resistance wires and silicon carbon rods) every month and replace them in time if damage is found. During non-use, desiccant can be placed in the furnace to reduce oxidation loss of heating elements.

Seal strip inspection: Check the furnace door seal strip regularly to ensure that it is intact to prevent heat loss. Lubricate and maintain the furnace door hinges and slide rails to ensure smooth switching and reduce wear.

2. Environmental preparation

Temperature control: Ensure that the equipment works within the appropriate temperature range. Too high or too low temperature will affect the performance and life of the equipment.

Good ventilation: Keep the air around the equipment to avoid overheating. Ensure that the exhaust port of the equipment is unobstructed to avoid blockage and heat accumulation.

When the muffle furnace is used for the first time or reactivated after long-term disuse, the furnace should be dried. The furnace temperature is controlled between 200 and 600 degrees Celsius, and the drying time is about 4 hours to ensure the stability of the equipment performance.

Protech Muffle Furnace with Waste Gas Combustion Treatment (click the picture to learn more)

3. Operation specifications

Operate according to the regulations: Strictly follow the operating procedures in the equipment manual to avoid equipment damage caused by misoperation.

Avoid overload operation: Do not let the equipment be overloaded for a long time to avoid damage to the heating elements and temperature control system.

4. Regular cleaning

Furnace cleaning: Regularly clean the residue (such as ash and debris) in the furnace to prevent corrosion of the heating elements.

Case cleaning: Wipe the equipment casing with a soft cloth to keep it clean and avoid dust from entering the internal circuit.

5. Sample processing

Sample pretreatment: Pre-treat the sample before placing it in the equipment. Remove impurities and moisture on the surface of the sample to avoid generating a lot of smoke and harmful gases at high temperature.

Sample placement: Place the sample evenly in the furnace to avoid piling up. Ensure that there is enough distance between the sample and the heating element to avoid direct contact and damage to the equipment.

6. Safety measures

Emergency stop button check: Ensure that the emergency stop button of the equipment is sensitive and reliable, and can quickly stop the equipment in an emergency.

Overload protection check: Check whether the overload protection function of the equipment is normal to ensure that it can automatically cut off the power when the current is too large.

The service life of the high-temperature muffle furnace is not only related to the return on investment of the equipment, but also to the accuracy and safety of the experimental data. The service life of the equipment can be effectively extended through details such as equipment inspection, environmental preparation, operating specifications, regular cleaning, sample handling and safety measures.

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