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开源与节流并重,是我国对能源问题的方针。开源即开发太阳能、风力、潮汐、地热等新的能源,节流就是要减少能量损失,杜绝浪费。节约能源除各种技术措施外,合理选择、应用保温绝热材料,也是提高热能利用率的有效途径,是世界性的发展趋势。我国能源很紧张,有限的能源利用率很低,仅在30%左右。工业炉和各种高温反应器是大量耗能的设备,但最高热效率仅为50～60%,大量的能量被白白浪费掉了。由此可见,在一切热工设
Combining open source and saving money is our country’s policy on energy issues. Open source means the development of new energy sources such as solar energy, wind power, tides, and geothermal heat. Throttling is to reduce energy losses and eliminate waste. Energy conservation In addition to various technical measures, the rational selection and application of thermal insulation materials is also an effective way to improve the utilization of thermal energy, and is a worldwide development trend. China’s energy is very tight, and its limited energy utilization rate is very low, only about 30%. Industrial furnaces and various high-temperature reactors are a large number of energy-consuming devices, but the highest thermal efficiency is only 50 to 60%, and a large amount of energy is wasted. This shows that in all thermal engineering