Post-mixing type abrasive water jet nozzle based on annular jet
A technology of abrasive water jet and annular nozzle, which is applied in the direction of abrasives, spray guns, metal processing equipment, etc., can solve the problems of low energy utilization rate, low acceleration efficiency, nozzle wear, etc., and achieve improved utilization efficiency and cutting performance. Abrasive water jet Stabilizing, friction- and impact-wear-reducing effects
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[0020] The present invention will be further described below in conjunction with accompanying drawing:
[0021] Such as figure 1 As shown, the present embodiment provides a post-mixing abrasive water jet nozzle based on annular jet, including an annular nozzle 4-1 and a secondary annular nozzle 4-2 arranged in sequence, and the inlet of the annular nozzle 4-1 is provided There is a straight pipe section for suctioning abrasives, and the side of the annular nozzle 4-1 is provided with a high-pressure water jet working fluid pipe 1-1, and the outlet of the annular nozzle 4-1 is provided with a primary convergence section 5-1 and a secondary straight pipe section in turn ; The secondary straight pipe section extends into the entrance of the secondary annular nozzle 4-2, the side of the secondary annular nozzle 4-2 is provided with a secondary working fluid pipeline 1-2 for entering the high-pressure water jet, and the secondary annular nozzle 4-2 2 The outlet is provided with a...
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