Abrasion-resistant and anticorrosion pipe or pipe fitting with double ceramic lining layers and preparation method of abrasion-resistant and anticorrosion pipe or pipe fitting
A technology of ceramic lining and ceramic layer, applied in the direction of pipes/pipe joints/fittings, pipeline protection, pipeline anticorrosion/rust protection, etc., can solve the problems of low reliability and short service life, and achieve long service life and reduce production. cost, the effect of avoiding small peeling
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Embodiment 1
[0046] In this embodiment, the method for preparing a wear-resistant and corrosion-resistant pipe or pipe fitting with dual ceramic linings includes the following steps:
[0047] (1) The mass ratio of furfurone resin: silicon carbide particles (average diameter 10μm): p-toluenesulfonic acid = 100: 120: 5 to mix the above raw materials, ball mill for 1 hour to obtain the powder, the materials in the powder are evenly mixed , There is no obvious reunion phenomenon;
[0048] (2) Prepare a liquid slurry with the powder obtained in (1) at a mass ratio of powder: alcohol=100:200, and then fully soak the foam with a thickness of 5mm in the slurry and squeeze out the excess slurry. Air dry at 120°C. After air drying, the sample is immersed in the slurry again, and the excess slurry between the holes is blown off, and then air dried at a high temperature of 120°C. Repeat the above steps 5 times to obtain the required foam ceramic layer precursor;
[0049] (3) Prepare the material powder ob...
Embodiment 2
[0055] In this embodiment, the method for preparing a wear-resistant and corrosion-resistant pipe or pipe fitting with dual ceramic linings includes the following steps:
[0056] (1) Mix the above-mentioned raw materials at a mass ratio of epoxy resin: alumina particles: citric acid = 100:50:5, and ball mill for 2 hours to obtain a slurry; the particle size of the alumina particles is 2 microns;
[0057] (2) Prepare a liquid slurry with the powder obtained in (1) at a mass ratio of powder: alcohol=100:200, and then fully soak the foam with a thickness of 5mm in the slurry and squeeze out the excess slurry. Air dry at 120°C. After air drying, the sample is immersed in the slurry again, and the excess slurry between the holes is blown off, and then air dried at a high temperature of 120°C. Repeat the above steps 5 times to obtain the required foam ceramic layer precursor;
[0058] (3) Prepare the material powder obtained in (1) with a mass ratio of material powder: alcohol=100:20, mi...
Embodiment 3
[0064] In this embodiment, the method for preparing a wear-resistant and corrosion-resistant pipe or pipe fitting with dual ceramic linings includes the following steps:
[0065] (1) Mix the above-mentioned raw materials with a mass ratio of phenolic resin: silicon carbide particles: p-toluenesulfonic acid = 100:50:5, and ball mill for 2 hours to obtain slurry; the silicon carbide particles have a particle size of 2 microns.
[0066] (2) Prepare a liquid slurry with the powder obtained in (1) at a mass ratio of powder: alcohol=100:200, and then fully soak the foam with a thickness of 5mm in the slurry and squeeze out the excess slurry. Air dry at 120°C. After air drying, the sample is immersed in the slurry again, and the excess slurry between the holes is blown off, and then air dried at a high temperature of 120°C. Repeat the above steps 5 times to obtain the required foam ceramic layer precursor;
[0067] (3) Prepare the material powder obtained in (1) with a mass ratio of mater...
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