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Slurry pump cavitation hazards

(Summary description)Slurry pump cavitation phenomenon

When the liquid at a certain temperature, reducing the pressure to the vapor pressure of the temperature, the liquid will produce bubbles. This phenomenon is called cavitation bubbles. Cavitation bubbles generated when the flow to the high pressure at the time, its volume is reduced so that the burst. This due to the pressure rise in the liquid bubble disappearing phenomenon known as cavitation collapse.

Slurry pump cavitation hazards

(Summary description)Slurry pump cavitation phenomenon

When the liquid at a certain temperature, reducing the pressure to the vapor pressure of the temperature, the liquid will produce bubbles. This phenomenon is called cavitation bubbles. Cavitation bubbles generated when the flow to the high pressure at the time, its volume is reduced so that the burst. This due to the pressure rise in the liquid bubble disappearing phenomenon known as cavitation collapse.

Information

Slurry pump cavitation phenomenon

When the liquid at a certain temperature, reducing the pressure to the vapor pressure of the temperature, the liquid will produce bubbles. This phenomenon is called cavitation bubbles. Cavitation bubbles generated when the flow to the high pressure at the time, its volume is reduced so that the burst. This due to the pressure rise in the liquid bubble disappearing phenomenon known as cavitation collapse.

Slurry pumps in operation, if the over flow part of a local area (usually somewhere in the impeller blade inlet later) for some reason, pumping fluid pressure is reduced to the absolute vapor pressure of the liquid when the temperature, the liquid will where it begins to vaporize, producing a lot of steam, the formation of bubbles, the bubble when the liquid contains a large amount of high-pressure zone ahead of the impeller, resulting in high pressure liquid surrounding the bubble bubbles drastically reduce or even rupture. In the bubble burst coagulation while liquid particles filling the hole at high speed, resulting in a very strong water hammer in this moment, and a very high impact frequency against the metal surface, the impact stress of up to several hundred to several thousand atmospheric pressure, the impact frequency of up to tens of thousands of times per second, the thickness will be serious breakdown.

Bubbles and bubbles in the slurry so that the flow components rupture suffered damage in the process is to pump cavitation process. After the slurry pump cavitation flow components in addition to produce damaging effects, but also produce noise and vibration, and lead to a decline in the performance of the pump, the pump liquid causes severe interruption does not work properly.

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