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Recently, Xi’an Shaangu Power Co.
, Ltd.
independently developed the 360,000-ton/year high-efficiency and wide-condition nitric acid four-in-one unit technology.
With its green, high-efficiency and energy-saving characteristics, it was shortlisted for the 14th Five-Year Plan of China Nitrogen Fertilizer Industry Association.
During the period, the nitrogen fertilizer and methanol industries recommended and promoted new energy-saving and emission-reduction technologies
.
According to reports, China's nitric acid industry has completely relied on imports for a long time in the production of nitric acid four-in-one complete sets of technology
.
In order to get rid of the situation of being constrained by others, Shaangu continues to tackle key problems on the road to localization of nitric acid four-in-one units, and continues to improve its technical level.
At present, Shaanxi’s dual-pressurized nitric acid four-in-one unit has reached 120 domestic and foreign markets.
At the same time, it has 23 sets of general contracting projects in the field of nitric acid, providing domestic and foreign users with comprehensive ammonia, nitric acid and ammonium nitrate.
Process system solutions and system services; the self-developed nitric acid production reaction waste heat and pressure utilization technology was selected into the "National Key Energy-saving and Low-Carbon Technology Promotion Catalog", which realized the large-scale and localization of the waste heat and pressure recovery device of the nitric acid production process, and has been widely used Energy recovery application field of nitric acid production process in chemical industry
.
In June 2020, the 360,000 tons/year nitric acid plant of Chongqing Huafeng Chemical Co.
, Ltd.
contracted by Shaangu was successfully put into operation
.
This device is one of the largest dual-pressurization nitric acid plants in China.