Design and preparation method of anti-fouling nano-composite coating for steel-based aluminum fin tube bundles of air coolers
A nano-composite, aluminum-fin technology, applied in design optimization/simulation, coating, liquid chemical plating, etc., can solve the problems that fins are easy to absorb dust particles, lack, and the heat dissipation efficiency of finned tubes has a great impact, etc. Achieve the effect of reducing corrosion aging rate, scientific and reasonable preparation method, and excellent anti-scaling performance
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[0085] refer to figure 2 , the steel-based aluminum finned tube bundle of the air cooler is composed of serpentine coil 1, Ni-P bottom layer 2, Ni-P-PTFE nanoparticle surface layer 3 or Ni-P-SiO 2 Nano particle surface layer, carbon steel base pipe 4 composition.
[0086] refer to figure 1 and figure 2 , Preparation of anti-fouling nanocomposite coatings on steel-based aluminum finned tube bundles of air coolers
[0087] Step 1: Select an ultrasonic instrument with an ultrasonic frequency of 40K HZ and a power of 160W to clean the steel-based aluminum finned tube bundle sample for 1 to 2 hours, and extend the time appropriately until the surface rust, floating ash and other attachments are completely removed , After cleaning, rinse with water and dry with cold air for later use.
[0088] Step 2: Alkali washing and degreasing. Alkali washing is performed on the steel-based aluminum finned tube bundles of the air cooler in a constant temperature water bath at 60-75°C to re...
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