What are the emerging energy-saving technologies available today?

I am working on a device for condensate recovery, but it’s quite difficult to implement; the level control doesn’t achieve the results I want； Some work has also been done on waste heat recovery in steel mills, but these mills are currently not performing well, so the systems are not in use; however, the initial results were decent

The use of three-dimensional flow impellers in fans and pumps can improve energy efficiency by 30%

What is the energy-saving principle of three-dimensional flow impellers in fans and pumps?

There are many energy-saving technologies in the chemical industry today, all of which aim to improve the efficiency of energy-consuming equipment； For example: improving the thermal efficiency of boilers, using boilers with higher parameters, and applying cogeneration ； Steam condensate recovery (closed system is better) ； Variable frequency technology for large pumps and fans ； Coupling technology between distillation columns ； Improving the control level of computers and several other aspects!

According to relevant statistics, in China, building energy consumption accounts for about 30% of the total energy consumption of the entire society; when combined with the energy consumed in the production of related building materials, this figure rises to around 45%. Approximately 50% of building energy consumption is used to create the indoor environment, such as heating, air conditioning, hot water supply, lighting, household appliances, elevators, etc. The heating energy consumption per unit area of building space in China is two to three times that of developed countries in similar climate regions. 　　New energy-saving technologies are beginning to become widespread. Among the emerging energy-saving technologies, fresh air systems are those that are used relatively frequently in current buildings. 　　In many current residences, the most popular and widely implemented energy-saving measure is the retrofitting of flat roofs into sloped ones. By converting a flat roof into a sloped roof, it is possible to achieve significant warmth in winter and coolness in summer. 　　Houses with constant temperature, humidity, and oxygen levels employ five energy-saving technologies, including permanent temperature control – maintaining the room temperature at around 20 to 26 degrees Celsius, the optimal range for human comfort ； The humidity remains constant throughout the year, staying at around 30 to 70% ； Fresh air is replaced by purified, healthy air, creating a continuous flow of fresh air that is updated 24 hours a day to maintain naturally fresh indoor air ； Low noise insulation: windows, walls, and floor slabs are designed with sound-damping features to maintain an optimal indoor sound level at all times ； Energy-efficient and environmentally friendly, it utilizes natural underground energy; it is clean and pollution-free, reducing a building’s energy consumption to only 15% of that of traditional buildings.