Energy-saving ultra-pure ammonia production process system

• Main Authors: HOU WENGUI, LI HAIHUA, ZHANG ZHUO, TU ZHENYU, LIU GUOCHENG, LI MINGZHU, XIE YINGQIN
• Format: Patent
• Language: Chinese; English
• Published: 19.12.2023
• Subjects: AMMONIA; CHEMISTRY; COMPOUNDS THEREOF; CYANOGEN; INORGANIC CHEMISTRY; METALLURGY; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; TRANSPORTING

The utility model belongs to the field of ultra-pure ammonia purification, and relates to an energy-saving ultra-pure ammonia production process system, which comprises a light component removal tower, a product tower, a compressor, an oil separator and a refrigerant storage tank, the light component removal tower is provided with a liquid ammonia raw material inlet, the tower bottom is provided with a liquid ammonia extraction port, the top of the light component removal tower is provided with a light component removal tower condenser, and the tower bottom is provided with a light component removal tower reboiler. A liquid ammonia extraction port at the bottom of the light component removal tower is connected to an inlet of the product tower through a pipeline; a product tower condenser is arranged at the top of the product tower, a product tower reboiler is arranged at the bottom of the product tower, and a refrigerant channel of the compressor is in closed circulation. By optimizing the combination of the