Ion permeation type non-stick wok and preparation method thereof
An ion penetration, frying pan technology, applied in the application, the structure of cooking utensils, coatings, etc., can solve the problems of damage, non-stick layer shedding, peeling, etc., to improve oxidation resistance, strength, and non-stick properties. Effect
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[0025] Such as figure 1 and figure 2 As shown, an ion-infiltrating non-stick frying pan includes a pot body 1, and the material of the pot body 1 is composed of a cast iron base layer 101, a yttrium-infiltrated layer 102, a nitrogen-carbon-yttrium-infiltrated layer 103, and an oil film layer 104. The thickness of the yttrium infiltration layer 102 is 10-20 μm, the thickness of the nitrogen-carbon-yttrium infiltration layer 103 is 50-80 μm, the thickness of the oil film layer 104 is 10-20 μm, and the overall thickness of the pot body 1 is 0.3-80 μm. 0.5cm.
[0026] Further, the pot handle 2 is also included, and the pot handle 2 is fixed on the pot body 1, which is convenient for stir-frying when cooking. The fixing method is fixed by screws. When the pot handle 2 needs to be replaced, the original pot handle is taken off, replaced with a new pot handle, and then fixed with screws.
[0027] Further, the depth of the pot body 1 is 10-20cm. The depth of the pot body 1 is set...
experiment example 1
[0039] S1. After the rough cast iron pan is polished, put it into a vacuum environment with a vacuum degree of 0.05MPa, and evenly spray a layer of nanometer yttrium powder layer on the inner surface of the polished cast iron pan with a thickness of 0.5mm. When the temperature rises to 700°C, extrude the nano-yttrium powder layer with an extruded piece that matches the internal shape of the cast iron pot, with a pressure of 0.1Mpa, for 2 hours, and stop applying pressure;
[0040] S2. Lower the temperature to 500°C, feed ammonia and methane into the vacuum environment, and the flow rate of ammonia is 0.4m 3 / h, the flow rate of methane is 0.1m 3 / h, after 5 hours of heat preservation, lower the temperature to 100°C, and take out the pot;
[0041] S3. Spray a layer of vegetable oil on the surface of the pot body, and then bake for 20 minutes. The baking temperature in S3 is 150° C., and the obtained pot body can be cooled to room temperature.
experiment example 2
[0043]S1. After the rough cast iron pan is polished, put it into a vacuum environment with a vacuum degree of 0.08MPa, and evenly spray a layer of nanometer yttrium powder layer on the inner surface of the polished cast iron pan with a thickness of 0.6mm. When the temperature rises to 800°C, extrude the nanometer yttrium powder layer with an extruding piece that matches the internal shape of the cast iron pot, with a pressure of 0.3Mpa for 1 hour, and stop applying pressure;
[0044] S2. Lower the temperature to 600°C, feed ammonia and methane into the vacuum environment, and the flow rate of ammonia is 0.5m 3 / h, the flow rate of methane is 0.125m 3 / h, after 8 hours of heat preservation, lower the temperature to 150°C, and take out the pot;
[0045] S3. Spray a layer of vegetable oil on the surface of the pot body, and then bake for 10 minutes. The baking temperature in S3 is 100° C., and the obtained pot body can be cooled to room temperature.
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