How to protect U-shaped electric tubular heater?
Electric tubular heater are straight and there are U-shaped electric tubular heaters. How to maintain the electric tubular heater introduced earlier is basically straight. Today, the air heater manufacturer will introduce how to maintain the U-shaped electric tubular heater? In fact, its storage method is similar. Our main point is observation. What should we observe? Observe whether the oxide film of u-shaped heating tube is damaged. How to deal with hacking? as follows:
1. Degreasing treatment. For this, only degreasing liquid is needed. The requirement of degreasing treatment is the requirement of liquid acidity and alkalinity. To maintain extremely high alkalinity, the pH value should be stable at about 13. The time requirement is about 30 minutes. Then just clean it.
2. Keep it clean.
3. Make sure that Ph is between 2-4. The time is 10 minutes. Then continue to dry.
4. The four steps of pickling are completed even if the treatment is completed. If it is black, it will be dealt with. Another reason is to know what causes the short circuit. The general reason is magnesium oxide. Changing the original 95% magnesium oxide to 98% or even 99% pure magnesium oxide can reduce the phenomenon of short circuit. Knowing oneself and knowing the other can win a hundred battles, the ancients said so, and now it is the same. Doing one thing to understand the essence, it can certainly succeed. Even if it is not that professional, the basics still need to be understood.
