Shengfu Phosphate Fertilizer Plant deaerator steam recovery unit was established and put into use. The device fully recovers the sulfur-containing elements, residual heat and condensate from the sulfuric acid plant, so that the exhaust gas can meet the national new emission standards. It is not only energy-saving and environmental protection, but it can be increased by 350,000 yuan. It is understood that the residual heat and sulfur content of the sulfuric acid in the sulfuric acid plant is low, and its condensate is close to natural water. How to eat this part of the waste to dry, has been the difficulty of energy saving and emission reduction in China's sulfuric acid industry. The low deaerator used in the Suifuku Sulfuric Acid Plant has an oxygen removal temperature of 104°C. According to the field exhaust conditions and the oxygen removal pipe diameter, the exhaust gas is exhausted at a rate of about 0.6 tons/hour and the steam condensate is discharged. Steam condensate is saturated high-temperature demineralized water, and its thermal energy value accounts for about 25% of steam thermal energy. If the direct discharge is not recycled, it will not only waste water resources and thermal energy resources, but also cause environmental pollution. In order to solve this problem, the engineering and technical personnel of Huafu Phosphate Fertilizer Plant and Wuhan Colin Environmental Protection Co., Ltd. have jointly researched and developed the technology and equipment for the recovery of exhaust gas from the thermal system. The economic and environmental benefits after the investment are significant. It is reported that this technology will be fully promoted and used in other units of the Fuk Group. PVC Wood Plastic Composite Board Extrusion Line WUXI HOYI PLASTIC MACHINERY CO., LTD , https://www.hoyiplas.com