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The Polypropylene workshop of Hengming Petrochemical Group's Hengchang Polypropylene Co., Ltd. passed a small technological transformation, which not only eliminated the potential safety hazards of the equipment, but also ensured the qualified rate of product quality, and it also achieved significant energy savings.
It is understood that the replacement of the N2 heating system with a flash tank in a polypropylene plant is a small-scale technical upgrading project in 2005 where the workshop uses waste pipelines, adds steam tracing lines around the original N2 pipeline, and reinforces a layer of insulation. Although the process is simple, after one year of operation verification, the effect is very significant. Polypropylene equipment is poor in polymerization due to poor raw materials and other reasons. The liquid propylene entrained in the product is relatively large and cannot be completely flashed. There is a great potential for safety hazards, and unqualified products are prone to occur. In response to this “chronic illness†that seriously affected production, the technicians replaced the N2 heating system with the flash tank. After one year of verification, the flash distillation was complete, eliminating potential safety hazards and improving product quality. Not only that, the successful implementation of the small technological transformation project, energy-saving benefits are also very significant, before the technical transformation of the flash tank need to use N2 to replace more than three times the product to be qualified, but the N2 heating after replacement can make the product fully qualified, daily Save as much as N2600m3.
It is understood that the replacement of the N2 heating system with a flash tank in a polypropylene plant is a small-scale technical upgrading project in 2005 where the workshop uses waste pipelines, adds steam tracing lines around the original N2 pipeline, and reinforces a layer of insulation. Although the process is simple, after one year of operation verification, the effect is very significant. Polypropylene equipment is poor in polymerization due to poor raw materials and other reasons. The liquid propylene entrained in the product is relatively large and cannot be completely flashed. There is a great potential for safety hazards, and unqualified products are prone to occur. In response to this “chronic illness†that seriously affected production, the technicians replaced the N2 heating system with the flash tank. After one year of verification, the flash distillation was complete, eliminating potential safety hazards and improving product quality. Not only that, the successful implementation of the small technological transformation project, energy-saving benefits are also very significant, before the technical transformation of the flash tank need to use N2 to replace more than three times the product to be qualified, but the N2 heating after replacement can make the product fully qualified, daily Save as much as N2600m3.