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Having come into contact with some waste heat and waste pressure power generation units, the author found that in many such systems, scaling inside the condenser’s circulating water results in lower power generation capacity; in some cases, the efficiency of power generation even drops by 20%-30%, leading to significant losses in power output. As shown in the figure below is the DCS monitoring screen for waste heat and pressure recovery power generation in a coal chemical enterprise: https://bbs.hcbbs.com/forum.php?mod=attachment&aid=MzYwMzA0Mnw3ZTcxN2MxZHwxNzU2NzkxNzYwfDQ5MDUzMDh8NTcwMDQzNg%3D%3D&noupdate=yes. It can be easily seen from the figure that the steam temperature in the condenser of the turbine generator is 38.4°C, while the outlet temperature of the circulating water ranges from 25.9°C to 27.6°C; thus, the terminal difference is between 10.8°C and 12.5°C, which is far above the normal value of 5–7°C for condenser terminal differences. The severe consequence of fouling in the condenser is a reduction in the amount of electricity generated from the same amount of steam, which leads to significant waste of steam. According to calculations, the steam consumption of the generator set shown in the diagram increases by about 30%, resulting in a reduction in power generation of around 5%; this means that approximately 3.8 million units of electricity are not generated each year. Solution: Physical scale prevention devices such as microwave scale prevention equipment or special ultrasonic scale prevention equipment can be installed to prevent and remove scale in real time, keeping the inside of the condenser clean and improving its thermal efficiency, thereby increasing power generation. (Consult via WeChat: TigerPeng2014) Payback period: within one year.