Method for circularly reutilizing flashing secondary steam of acid bath system
A technology of secondary steam and flash evaporation, applied in flash evaporation, separation methods, chemical instruments and methods, etc., can solve the problems of high operating cost, unsuitable for production needs, not meeting environmental protection requirements, etc., and achieve the goal of reducing water consumption costs. Effect
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Embodiment 1
[0024] A method for reusing flash secondary steam in an acid bath system, comprising the following steps: (1) the secondary steam is condensed in various partition wall heat exchangers, and the secondary steam in the flash evaporation chamber V11 of the acid bath system enters a The secondary steam in the evaporation chamber V10 enters the secondary heat exchanger, and the secondary steam in the evaporation chamber V9 enters the tertiary heat exchanger to exchange heat with the circulating water in the heat exchangers of each stage. The inlet temperature of the primary heat exchanger (the secondary steam of the evaporation chamber V11) is 36°C, the inlet temperature of the circulating water is 26°C, and the outlet water temperature is 31°C, and the secondary heat exchanger (the secondary steam of the evaporation chamber V10) The air temperature is 40°C, the circulating water inlet temperature is 31°C, the outlet water temperature is 36°C, the inlet temperature of the three-stag...
Embodiment 2
[0026]A method for reusing flash secondary steam in an acid bath system, comprising the following steps: (1) the secondary steam is condensed in various partition wall heat exchangers, and the secondary steam in the flash evaporation chamber V11 of the acid bath system enters a The secondary steam in the evaporation chamber V10 enters the secondary heat exchanger, and the secondary steam in the evaporation chamber V9 enters the tertiary heat exchanger to exchange heat with the circulating water in the heat exchangers of each stage. The inlet temperature of the primary heat exchanger (the secondary steam of the evaporation chamber V11) is 40°C, the inlet temperature of the circulating water is 30°C, and the outlet water temperature is 35°C, and the secondary heat exchanger (the secondary steam of the evaporation chamber V10) The air temperature is 45°C, the circulating water inlet temperature is 35°C, the outlet water temperature is 40°C, the inlet temperature of the three-stage...
Embodiment 3
[0028] A method for reusing flash secondary steam in an acid bath system, comprising the following steps: (1) the secondary steam is condensed in various partition wall heat exchangers, and the secondary steam in the flash evaporation chamber V11 of the acid bath system enters a The secondary steam in the evaporation chamber V10 enters the secondary heat exchanger, and the secondary steam in the evaporation chamber V9 enters the tertiary heat exchanger to exchange heat with the circulating water in the heat exchangers of each stage. The inlet temperature of the primary heat exchanger (the secondary steam of the evaporation chamber V11) is 38°C, the inlet temperature of the circulating water is 28°C, and the outlet water temperature is 33°C, and the secondary heat exchanger (the secondary steam of the evaporation chamber V10) The air temperature is 42°C, the circulating water inlet temperature is 33°C, the outlet water temperature is 38°C, the inlet temperature of the three-stag...
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