Shandong Zibo Qilu First Fertilizer Co., Ltd. invested more than 7 million yuan, and used high-tech product energy converters to build synthetic ammonia tail gas ammonia recovery devices and gas recovery gas recovery equipment.
Qilu Chemical Fertilizer Co., Ltd. is China's first domestic medium-sized nitrogen fertilizer plant that produces synthetic ammonia from oil refining tail gas. It produces 120,000 tons of synthetic ammonia, 200,000 tons of urea and 20,000 tons of methanol per year. For a long time, the issue of tail gas treatment, which mainly involves deflation, has long plagued businesses. It is understood that the purge gas is a mixed gas containing ammonia, methane, nitrogen, and hydrogen released from liquid ammonia after decompression in the ammonia production process. For the recovery of ammonia in exhaust gas, domestic nitrogen fertilizer companies generally adopt the method of water absorption for recycling, and the recovered product is ammonia. This method not only reduces the added value of ammonia, but also wastes a lot of steam.
In recent years, Qilu Chemical Fertilizer Co., Ltd. has conducted extensive investigations and demonstrations, investing more than 7 million yuan in the upgrading of the equipment. The new device breaks the traditional process, applies energy converters for high-tech products, and uses cryogenic technology to recover liquid ammonia. Without consuming any external energy, the ammonia in the purge gas is extracted and used as finished ammonia for urea. Production, better solves the problems of the traditional ammonia recovery device, not only increases the added value of ammonia in the purge gas, saves water consumption, reduces electricity consumption, but also solves the problem of pollution in production. According to reports, this set of equipment to the original tank ammonia content is about 25% of the ammonia recovery, after the completion of the recovery, the tail gas ammonia content is only about 4%. After the application of the ammonia-removal device of this synthetic ammonia system to the purge gas, it can recover 3 to 4 tons of liquid ammonia per day, and the annual increase in efficiency is nearly 2 million yuan.
Qilu Chemical Fertilizer Co., Ltd. is China's first domestic medium-sized nitrogen fertilizer plant that produces synthetic ammonia from oil refining tail gas. It produces 120,000 tons of synthetic ammonia, 200,000 tons of urea and 20,000 tons of methanol per year. For a long time, the issue of tail gas treatment, which mainly involves deflation, has long plagued businesses. It is understood that the purge gas is a mixed gas containing ammonia, methane, nitrogen, and hydrogen released from liquid ammonia after decompression in the ammonia production process. For the recovery of ammonia in exhaust gas, domestic nitrogen fertilizer companies generally adopt the method of water absorption for recycling, and the recovered product is ammonia. This method not only reduces the added value of ammonia, but also wastes a lot of steam.
In recent years, Qilu Chemical Fertilizer Co., Ltd. has conducted extensive investigations and demonstrations, investing more than 7 million yuan in the upgrading of the equipment. The new device breaks the traditional process, applies energy converters for high-tech products, and uses cryogenic technology to recover liquid ammonia. Without consuming any external energy, the ammonia in the purge gas is extracted and used as finished ammonia for urea. Production, better solves the problems of the traditional ammonia recovery device, not only increases the added value of ammonia in the purge gas, saves water consumption, reduces electricity consumption, but also solves the problem of pollution in production. According to reports, this set of equipment to the original tank ammonia content is about 25% of the ammonia recovery, after the completion of the recovery, the tail gas ammonia content is only about 4%. After the application of the ammonia-removal device of this synthetic ammonia system to the purge gas, it can recover 3 to 4 tons of liquid ammonia per day, and the annual increase in efficiency is nearly 2 million yuan.
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