In the face of the increasingly tense situation of Hubei's power supply, the Hubei Saning Chemical Co., Ltd. makes full use of the heat recovery power supply to create a closed-loop industrial chain of resources-products-waste-recycling resources, and uses new processes and technologies to excavate. The potential of the device is still maintained at high load. In recent years, Saning Chemical has achieved rapid development with total assets of 3.5 billion yuan, and it has established a production scale of 1 million tons of total ammonia and 2.4 million tons of chemical fertilizer. The annual electricity consumption is 1.3 billion kwh. The company has implemented waste heat power generation technology since 2005, which has effectively relieved the shortage of electricity during the peak period of the power supply and provided a strong guarantee for normal production. Based on the characteristics of their production process, they make full use of an annual output of 300,000 tons of pyrite-based sulphuric acid production project, 300,000 tons of sulphuric acid production project, 680,000 tons of phosphorus compound fertilizer project, 200,000 tons of ammonia-alcohol technical upgrading project, and 500,000 tons of urea steam turbine The high-temperature flue gas heat energy of the same section and the heat energy generated by the exhaust gas are used to build a waste heat generating unit. At present, the installed capacity of 36 kilowatts, while easing the pressure on power supply, can also produce huge economic benefits. At present, the company has built 5 sets of waste heat generating units. In 2010, the accumulated power generated was 160 million kilowatt-hours. From January to April this year, a total of nearly 60 million kilowatt-hours was generated. At the same time, the company also actively adopts new technologies to better save energy. The new “4030†project (an annual output of 200,000 tons of synthetic ammonia, 200,000 tons of methanol, and 300,000 tons of urea) will utilize the differential pressure in the carbon-carbon cycle to realize energy recovery, saving 5.2 million kwh per year, saving electricity 2.08 million. yuan. In the 200,000 tons of ammonia-alcohol technical upgrading project, they adopted the low-pressure co-alcohol process to fully recover the reaction heat of methanol synthesis, reducing the compression power consumption per ton of methanol by 120 kwh, optimizing the operation level of the device. At the same time, the company eliminated outdated processes, used frequency conversion technology, and reconstructed nearly 300 operational equipment. The effect was obvious. By optimizing the urea production process, the company can save 81,000 tons of steam annually; adjusting the boiler fan process can save 360 ​​kwh per hour. The company's sulfur acid plant in phosphorus chemical industry is not only a thermal energy center, but also provides steam for coal chemical production. According to statistics, the device can provide 864,000 tons of medium-pressure steam and 136,000 tons of low-pressure steam each year. They also prevent heat loss by optimizing the steam pipe network. According to the principle of thermal energy classification and utilization, all the waste heat of each process of the ammonia synthesis system is recovered and used according to the energy level. The converted waste heat is recovered by adding salt and desalinated water, and the synthesis reaction heat is used for conversion and synthesis. The air release, purge gas and gas generation gas are synthesized and synthesized. After slag and other waste heat are recovered, it can be used for gasification, so that the high and low heat energy can be fully utilized. While the technology is tapping into potentials and increasing efficiency, the company actively cultivates the awareness of energy conservation of all employees and energetically promotes the use of electricity. They established a leadership mechanism for energy conservation, established and improved energy conservation rules and regulations, and strengthened employees' power saving awareness and education through internal publications, intranets, and other forms to promote the effective implementation of the company's power saving work. In recent years, the company has invested 200,000 yuan in the use of new energy-saving appliances in the living area and office area. It strictly stipulates that when the outdoor temperature is lower than 26°C, it will not operate air-conditioners, and it will produce green energy-saving logos to cultivate employees' good living habits in daily life. The company created a good atmosphere of “saving energy and starting from meâ€. ZENGHUI PAPER PACKAGE is a good gift box manufacturers and
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