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Guanghui New Energy has received another 21 utility model patents. Author/Source: Guanghui New Energy. Date: 2022-03-01. Clicks: 10. Recently, it was learned from the **Intellectual Property Office that 21 utility model patents applied for by the company, including \"An exhaust gas treatment device for low-temperature methanol washing,\" \"A high-concentration VOCs waste heat recovery system,\" \"A device for improving the cooling efficiency of water cooling towers,\" \"An efficient sedimentation test tray based on wastewater recycling technology,\" and \"Equipment for controlling coal dust in the floors of gasification plants,\" have been approved. To date, the company has obtained a total of 70 utility model patents, marking another significant step forward for this new energy company in terms of technological research and development as well as independent innovation. The company sees a number of highly practical innovations emerge each year. Among the 21 patents from 2021, there is the \"Low-temperature Methanol Wash Exhaust Gas Treatment Device\"; this project utilizes a newly developed flame-free waste heat recovery green and energy-saving process to thermally oxidize and decompose the VOCs emitted by the purification device, recover the waste heat, and then release the resulting gases into the atmosphere. A high removal rate of VOCs is achieved, while the steam generated as a by-product helps maintain balance in the plant’s steam system. In particular, the green and energy-efficient process developed for the high-volume, high-concentration VOCs treatment via high-temperature oxidation without flame, along with heat recovery, is the first of its kind; it overcomes the long-standing challenge of effectively dealing with such high-volume, high-concentration waste gases in this industry. For the first time, this approach yields both environmental and economic benefits, truly putting into practice the concept that \"lucid waters and lush mountains are invaluable assets\" and contributing to the well-being of the public. \"A high-efficiency sedimentation tray based on wastewater recycling technology\" improves the efficiency of the tray, enhances the ability to remove free ammonia from the liquid in the tower bottom, and reduces the total ammonia content in the effluent ； The steam consumption per unit of the phenol recovery unit has been reduced by about 3 tons, resulting in cost savings of over 3.8 million yuan throughout the year.