（shaangu news）Recently, Shaangu has signed one contract with Russia Toula Fertilizer to provide a set of 270,000 t/y nitric acid 4-in-1 turbine unit for the latter. Thesuccessful signing of the contract shows that Shaangu has started to supply its environment-friendly products and system solutions for the OBOR market.
Nitric acid 4-in-1 turbine unit is the core unit in the dual-pressure nitric acid production process in the world, mainly consisting of axial compressor, NOx compressor, nitric acid tail gas turbo-expander and steam turbine. The innovative technology – “residual heat and pressure recovery technology for nitric acid production”, has realized waste heat and residual pressure recovery and utilization in nitric acid production process, and improved the energy efficiency of nitricacid plant, which has been widely accepted by customers of petrochemical industry, and has been widely used in the energy recovery of nitric acid production.
By now, Shaangu has delivered over 130 sets of nitric acid 4-in-1 turbine units with sizes from 100,000 t/y to 360,000 t/y. And Shaangu has had the capability to design and manufacture 450,000 ~ 600,000 t/y nitric acid 4-in-1 turbine unit. At present, its market share has reached to 95%.