Research On Energy Saving Of 12MW Miniature Unit Of Combined Heat And Power Generation During Its Operation

In our country,there are more than 2000 thermal power enterprise, and the capacity of the unit under 50MW in accounted for 85%.The capacity of small unit is low, if the operation of unit is unreasonable, the coal consumption will be greatly increased. So the research on small units'energy saving have great significance for the potential of energy saving of our country.This subject is mainly about a investigation of a thermal power plant in shandong province, and research the small 12MW unit itself and heating-power cooperation for the energy saving. First, the subject analyzed the regenerative system for its coal consumption. Through the analysis of high-pressure heater and low-pressure heater ,this subject draw the influence of the units'deviation. Secondly, this subject derivate the condition of energy saving for C12-4.9/0.981 and thermal-power-cooling system. Finally, this subject analyze influence of the matching of the supplied steam parameters and the users'request parameters for the thermal power plant, and proposed the improved measures for energy saving.Appling the results will reduce the energy consumption of the thermal power plant whose running manners is not reasonable, and improve the economic benefits of the thermal power enterprise. The results can be the basis of the adjusting of the thermal power plant.