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From the just-concluded national nitrogen fertilizer industry thirteenth technical experience exchange meeting, we learned that a new type of high-efficiency and energy-saving complete sets of equipment for methanol and synthetic ammonia with independent intellectual property rights has been transformed from Luoyang Longhua Refrigeration Equipment Co., Ltd. Successfully developed. The device has the characteristics of energy saving and resource saving, and a set of 100,000 tons/year methanol plant adopts an energy-saving device of variable-frequency evaporative air cooler, which can save water at a rate of at least 10%.
According to Feng Xiurong, chief engineer of Luoyang Longhua Refrigeration Equipment Co., Ltd., the complete plant equipment is mainly used in key processes such as synthesis, rectification, compression, and ice condenser condensation of methanol and ammonia synthesis systems. Its main innovations are advanced heat transfer mechanism, which integrates water evaporation with air cooling, heat transfer, and mass transfer processes; it uses a combination of air-cooled fin precooling section and water film decompression evaporation section. Enhanced heat transfer, high thermal efficiency, pre-cooled fluid into the evaporation section of the low temperature, not easy to foul; the air-cooled fan and evaporation of the negative blower into one, high energy efficiency.
Compared with the traditional water cooler, the frequency of the cooling and condensing process fluid of the variable frequency evaporative air cooler is lower, water-saving and energy-saving can achieve higher process parameter requirements, high product quality and low cost, thereby improving the market competitiveness of the product.
Luoyang Longhua Refrigeration Equipment Co., Ltd. is a professional manufacturer of refrigeration equipment. Over the years, it has been committed to the research and development and manufacturing of high-tech, high-performance new energy-saving cooling heat exchange equipment. At the beginning of last year, the company aimed at high-tech energy-saving and environmental protection products—a new type of high-efficiency and energy-saving complete sets of equipment for methanol and synthetic ammonia. It concentrated on major scientific research forces and fully absorbed the latest domestic and foreign technologies. With the strong support of relevant research institutes and chemical companies, only 5 were used. In just a few months, the product was successfully developed.
At present, the complete set of equipment products has been successfully applied to Shandong Hongri Akon Chemical Co., Ltd. 100,000 tons/year methanol production system. After more than six months of operation, the set of energy-saving devices for frequency conversion evaporative air coolers has met the design requirements and expected goals, achieving remarkable energy-saving effects and economic benefits. Compared with the traditional water cooler used in the past, the device saves 67% of water, saves electricity by 58%, and has an overall energy saving rate of more than 60%.
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