Preparation method of anti-corrosion impeller for chemical pump
A corrosion-resistant, chemical pump technology, applied in the field of pump parts manufacturing, can solve problems such as working efficiency not meeting pump equipment performance requirements, large flow surface roughness, excessive wall thickness, etc., to reduce segregation phenomenon, durability Strong corrosion resistance and prolonging the service life
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Embodiment 1
[0015] A method for preparing a corrosion-resistant impeller for a chemical pump, wherein the surface of the impeller is coated with a ceramic polymer material layer, specifically comprising the following steps:
[0016] (1) Composition of raw materials for the ceramic polymer material layer: in parts by weight, calcined calcined powder 15, beidellite 8, cordierite 4, ceramic particles 30, nitrile rubber 5, borax 12, titanium carbide 3, cobalt tetroxide 1, Thorium oxide 2, titanium nitride 3, cashew nut shell liquid 2;
[0017] (2) Preparation of ceramic polymer liquid: Heat and melt ceramic particles, nitrile rubber, borax, titanium carbide, cobalt tetroxide, thorium oxide, and titanium nitride. After keeping for 5-8 minutes, add the remaining raw materials into the ball mill, press Mixed raw materials: ball stone: water weight ratio is 1:4:0.8 Mix ball mill for 12-15 hours to get the mixed material, ultrasonically oscillate for 35-40 minutes at 55-60°C, cool down to get the ...
Embodiment 2
[0024] A method for preparing a corrosion-resistant impeller for a chemical pump, wherein the surface of the impeller is coated with a ceramic polymer material layer, specifically comprising the following steps:
[0025] (1) Composition of raw materials for the ceramic polymer material layer: in parts by weight, calcined calcined powder 20, beidellite 8, cordierite 7, ceramic particles 25, nitrile rubber 7, borax 8, titanium carbide 5, cobalt tetroxide 2, Thorium oxide 3, titanium nitride 4, cashew nut shell liquid 2;
[0026] Other steps are the same as in Example 1.
[0027] The performance test of the impeller prepared in the present invention shows that its strength reaches 435MPa and its hardness reaches 133HB. After soaking in a 10% sodium hydroxide solution by mass percentage, no foaming or shedding occurs for 5 days.
Embodiment 3
[0029] A method for preparing a corrosion-resistant impeller for a chemical pump, wherein the surface of the impeller is coated with a ceramic polymer material layer, specifically comprising the following steps:
[0030] (2) Composition of raw materials for the ceramic polymer material layer: in parts by weight, calcined calcined powder 18, beidellite 10, cordierite 6, ceramic particles 28, nitrile rubber 6, borax 10, titanium carbide 4, tricobalt tetroxide 2, Thorium oxide 2, titanium nitride 2, cashew nut shell liquid 1;
[0031] Other steps are the same as in Example 1.
[0032] The performance test of the impeller prepared in the present invention shows that its strength reaches 462MPa, its hardness reaches 135HB, and it is immersed in a 10% sodium hydroxide solution by mass percentage, and no foaming or falling off occurs for 5 days.
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