1. Cleaning effect: The heat exchanger can remove impurities through the circulation of lubricating oil and filter them through the filter.

2. Anti-rust effect: The lubricant also has the effect of isolation, reducing the corrosion caused by air, water droplets, water vapor, corrosive gases and liquids, dust and oxides.

3. Reduce friction: Adding lubricant to the friction surface of the heat exchanger can reduce the friction coefficient, thus reducing friction resistance and saving energy.

4, reduce wear: add lubricant to heat exchanger to reduce mechanical wear, adhesive wear and other wear.

5. Cost reduction: In many cases, lubricants are added to the heat exchanger to make it work normally, maintain normal work efficiency, and shorten the maintenance time.

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