| abstract |
A kind of acid and alkali-resistance chemical pump, it includes a pump housing and is installed on the impeller of the pump body, and the pump housing includes：The boron oxide series ceramic material layer of aluminium alloy pump body, the tungsten carbide series ceramic material layer of pump housing outer surface and pump housing inner surface, the impeller includes nickel-base alloy impeller body and impeller body external oxidation zirconium series ceramic material layer；By in aluminium alloy and nickel alloy surfaces coated ceramic material, improving acid and alkali-resistance, high temperature resistant, the anti-scaling property of material. |