Purification Technology Edition: Daily Question [2017-10-29]
Thread Content
What are the hazards of cavitation? The hazards of cavitation include: (1) a sudden drop in pump performance. ⑵ The pump generates vibration and noise. ⑶ It causes chemical corrosion and mechanical damage to the pump’s flow-through components.
Due to continuous localized impacts, the surface of the material gradually suffers from fatigue damage, leading to erosion of the metal surface and the formation of honeycomb-shaped cavities of various sizes. In addition to damage caused by impacts on the metal components, chemical corrosion also occurs, oxidizing the equipment. The cavitation process is unstable; it causes the water pump to vibrate and generate noise. Additionally, the bubbles can block the channels in the impeller, resulting in a decrease in head and flow rate as well as a reduction in efficiency.
Due to continuous localized impacts, the surface of the material gradually suffers from fatigue damage, leading to erosion of the metal surface and the formation of honeycomb-shaped cavities of various sizes. In addition to damage caused by impacts on the metal components, chemical corrosion also occurs, oxidizing the equipment. The cavitation process is unstable; it causes the water pump to vibrate and generate noise. Additionally, the bubbles can block the channels in the impeller, resulting in a decrease in head and flow rate as well as a reduction in efficiency.
It can easily cause corrosion of pipes and pumps
Vibration and noise of the engine set. In severe cases, a \"clicking and popping\" sound can be heard inside the pump
Answer: Cavitation causes fatigue on the surface of the pump’s impeller, leading to metal erosion and the formation of cavities of various sizes; in severe cases, this can result in the destruction of the impeller.
Due to continuous localized impacts, the surface of the material gradually suffers from fatigue damage, leading to erosion of the metal surface and the formation of honeycomb-shaped cavities of various sizes. In addition to damage caused by impacts on the metal components, chemical corrosion also occurs, oxidizing the equipment. The cavitation process is unstable; it causes the water pump to vibrate and generate noise. Additionally, the bubbles can block the channels in the impeller, resulting in a decrease in head and flow rate as well as a reduction in efficiency.
Due to continuous localized impacts, the surface of the material gradually suffers from fatigue damage, leading to erosion of the metal surface and the formation of honeycomb-shaped cavities of various sizes. In addition to damage caused by impacts on the metal components, chemical corrosion also occurs, oxidizing the equipment. The cavitation process is unstable; it causes the water pump to vibrate and generate noise. Additionally, the bubbles can block the channels in the impeller, resulting in a decrease in head and flow rate as well as a reduction in efficiency.
The shock waves transmitted during cavitation, which affect the impeller and pump casing, combined with the chemical corrosion of the metal caused by trace amounts of oxygen dissolved in the liquid, can over time lead to the appearance of scars and cracks on its surface, and even result in gradual flaking off in a sponge-like manner； When cavitation occurs, noise is also generated, which in turn causes the pump body to vibrate ； At the same time, the generation of steam reduces the apparent density of the liquid, which in turn leads to a decrease in the actual flow rate of the liquid, the outlet pressure, and the efficiency; in severe cases, this can result in no liquid being able to be delivered at all
Answer: 1. Degrade pump performance 2. Damage the flow-through components 3. Vibration and noise,
The hazards of cavitation include: (1) a sudden drop in pump performance. ⑵ The pump generates vibration and noise. ⑶ It causes chemical corrosion and mechanical damage to the pump’s flow-through components.