Tungsten Carbide Nozzle Lifespan Improving II

In terms of structure and shape, the common types of tungsten carbide nozzles are straight-bore, conical (solid and hollow), fan-shaped, venture, porous, etc. According to different applications, take tungsten carbide hydraulic sand-blasting nozzle for instance. It can be specifically divided by the shape of tube into conical, straight-tapered (a conical contraction section and cylindrical acceleration section), streamline, equal-transmission and so on.

Through contrast experiments, they will be arrange in equal-transmission ＞ streamline ＞straight-tapered ＞ conical. The straight-tapered is the most widely used, its main parameters are convergent angle α, the diameter of entry d, acceleration section length l, nozzle length L and aspect ratio l / d.

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