三聚焦”打造节能典范 | 大家谈 如何当好“碳路先锋

Core Insights - The article emphasizes the importance of energy conservation and development in the chemical industry as a solution to energy supply challenges in China's expanding economy and social development [1] Group 1: Energy Conservation Strategies - The company focuses on three main strategies to create an energy-saving model: precise operations, core device breakthroughs, and raw material optimization [1] Group 2: Precise Operations - Guangdong Petrochemical's ethylene plant, with an annual capacity of 1.2 million tons, is the largest domestic ethylene facility and has maintained production loads between 80% and 100% since its launch in February 2023, achieving a maximum ethylene yield of 43.25% [1] - The average energy consumption of the facility reached 547.2 kg of standard oil per ton, with a processing loss rate of 0.105%, positioning it at an advanced level within the industry [1] Group 3: Core Device Breakthroughs - The company has eight cracking furnaces in its ethylene plant, which account for 80% of the energy consumption. Efforts to improve fuel gas efficiency include regular temperature measurements and strict control of oxygen levels in the furnace [2] - The implementation of an IPC system has allowed the company to maintain the temperature deviation of the cracking furnace outlet within 5°C, enhancing thermal efficiency while ensuring ethylene yield [2] - The longest operational cycle for gas furnaces reached 101 days, and for liquid furnaces, it was 84 days, with the highest thermal efficiency of the cracking furnaces reaching 94.7%, leading the industry [2] Group 4: Raw Material Optimization - The company is advancing the lightening of ethylene raw material structure by increasing the proportion of ethane gas and reducing the content of isomeric alkanes in liquefied petroleum gas [3] - Technical personnel have optimized the steam and circulating water design values for distillation towers, achieving energy consumption below design values while maintaining product quality [3] - Adjustments to the three-unit system's throttle and compressor speed have led to a 47.5% reduction in steam energy consumption, significantly lowering steam and circulating water usage while reducing product costs, with ethylene yield exceeding 43% [3]