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Comprehensive Solution For Steam And Heat System
An example of the steam system of a pharmaceutical factory. Drying is a major steam-consuming procedure. The on-site diagnosis found that the heat exchange efficiency is not good, such as water trapped inside the heat exchanger, design fault of drainage system, wrong selection of steam trap, none-recover of high temperature condensation, etc. Massive steam is wasted in the whole system. Through the adoption of VMV’s unique patented technology of "a comprehensive utilization of heat in drying system", their drying system is fully optimized, which improves heat exchange efficiency, eliminates water accumulation in the heat exchanger, which makes full use of heat energy, and reduces steam consumption by 13%.
In a refinery, all the heat exchangers were controlled by the back route before the system modification, and the vapor was discharged directly. The heat tracing system all uses thermodynamic disc traps, and the leakage of steam is massive. After VMV conduct the system optimization, all the heat exchangers are equiped with large-displacement steam traps, and the heating system is equiped with high-efficiency and energy-saving steam traps. In addition, the entire condensate system was optimized and the condensate pipe network was re-engineered to eliminate the back road resistance and ensure the smooth recovery of condensate to the boiler. After the transformation, the steam consumption has been reduced by 20%, and the condensate recovery rate has reached 85%.
Based on the analysis of the steam system structure and status quo of the existing production equipment, the steam energy-saving optimization project combines the production technology of the enterprise, and in accordance with the comprehensive optimization method of the process system energy, the collaborative optimization of the three links of energy utilization, recovery and conversion . First, analyze the structure and balance of the steam system to find out the irrationality of the existing system, and then optimize the steam power system with the aid of advanced process simulation and system optimization design software. Through the combination of heat energy between the devices and the optimization of the drainage system, the unit steam consumption of the device was reduced by 11%.
