Water erosion reducing highly-sealed centrifugal sand pump and working method thereof
The invention discloses a water erosion reducing highly-sealed centrifugal sand pump. The sand pump comprises a pump shell, a motor shaft, an outer magnetic rotor, an isolation sleeve, an inner magnetic rotor, a transmission shaft, an impeller, an end cover, a feeding port, a discharging port and a...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The invention discloses a water erosion reducing highly-sealed centrifugal sand pump. The sand pump comprises a pump shell, a motor shaft, an outer magnetic rotor, an isolation sleeve, an inner magnetic rotor, a transmission shaft, an impeller, an end cover, a feeding port, a discharging port and a flow slowing mechanism; the feeding port is formed in the center of the end cover, and the discharging port is formed in the side edge of the end cover; and the flow slowing mechanism is arranged on the feeding port, and the flow slowing mechanism comprises a flow slowing shell, a flow slowing groove, a flow slowing stop block and a flow slowing spring, wherein the flow slowing shell is fixedly arranged on the feeding port, the flow slowing groove is formed in the flow slowing shell, the flow slowing spring is fixedly arranged in the flow slowing groove, and the flow slowing stop block is arranged at one end of the flow slowing spring. According to the sand pump, on one hand, a buffering structure is adopted for th |
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