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Ultrasonic scale inhibition and removal technology is also a widely used technique for preventing and removing scale. However, few people know that ultrasonic scale prevention and removal technology is also divided into long-pulse technology and short-pulse technology. Sometimes, ultrasonic scaling prevention does not work well; this may be due to an incorrect choice of technology – for example, short pulses are used in situations where long pulses would be more appropriate. In summary, in terms of performance, long-pulse ultrasonic scaling prevention and removal is far superior to short-pulse ultrasonic technology. The comparison between the two is as follows: 1. Pulse advantage – The pulse width in long-pulse technology can be adjusted between 100ms and 500ms, which is much larger than the 2.5ms (up to 5ms) of short-pulse technology; the effective working time per second is 27.5 times that of short pulses. This means that long pulses can exert a more sustained effect on the heat exchanger tube walls and scale over the same period of time, allowing the scale to be more fully exposed to ultrasonic energy, thereby improving the scale removal efficiency. 2. Energy density: Long-pulse technology transducers have high individual power, with an average power of around 250W to 400W, whereas short-pulse transducers have an average power of only about 30W. Therefore, the power of long-pulse technology is 8-10 times that of short-pulse technology. Therefore, for heat exchangers and pipes with severe scaling, long-pulse ultrasonic technology should be the preferred choice. Short-pulse ultrashock wave technology is generally used in circulating water systems with less scaling. For issues related to scaling in heat exchangers and pipes, you can consult via WeChat: TigerPeng2014
Long-pulse ultrasonic scale inhibition, applied to the PTA refining preheater at Fujian Baihong Petrochemical, has saved 62,500 tons of high-pressure steam per year, achieving excellent energy-saving results.