During the production process, due to the tube sheet of the heat exchanger being eroded by water flow,Erosion corrosionWith trace amountsChemistryCorrosion of the medium, often leads to leakage at the tube plate welds, resulting in water andChemical IndustryMaterial mixture occurs, making it difficult to control the production process temperature, resulting in the formation of other products, severely affecting product quality and lowering product grades.
CondenserAfter leakage occurs at the tube sheet weld, companies typically use traditional welding repair methods for the fix, which may easily cause internal tube sheet damage.Internal StressAnd it is difficult to eliminate, causing other heat exchangers to leak. The company has been using pressure testing to inspect the repair status of the equipment, repeatedly welding and testing.2～4It takes several days for humans to complete the repair, and after a few months of use, the pipe plate welds begin to corrode again, resulting in waste of human, material, and financial resources, as well as increased production costs.
ThroughFortune BlueCorrosion and abrasion resistance of high polymer composite materials, through the early protection of new heat exchangers, and more frequent use of the reboiler.Fractionating columnReboiler: A heat exchanger that can exchange heat simultaneouslyVaporizedA special heat exchanger for space. The liquid level of the material in the reboiler and the distillation column are at the same height. Liquid phase feed is provided from the bottom of the tower to the reboiler.
Generally, there is in the reboiler.25-30%The liquid phase is vaporized. The two-phase flow that has been vaporized is returned to the distillation tower, and the gas phase components in the tower rise upwards.TrayThe liquid phase components settle back to the bottom of the tower.
