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Geothermal wells, ground source heat pumps, water source heat pumps, gas boilers, solar energy, energy conservation, water conservation, comprehensive utilization of resources and other processes, technologies and equipment are now available everywhere in the new campus of Tianjin Polytechnic University.
More than 1,500 LED lighting street lamps and more than 2,000 LED indoor lightings are used throughout the campus. They all use LED semiconductor lighting materials technology with independent intellectual property rights. This is the largest commercial semiconductor lighting demonstration project in the world, saving electricity 130 every year. Ten thousand kWh is equivalent to the total amount of electricity used by 500 ordinary families for one year. The 1500 square meter glass vacuum tube collector system is installed on the roof of the student apartment. The solar energy is used to supply the canteen living hot water and the student shower water. This alone saves the school more than 1 million yuan per year.
In the construction of the new campus, the school attaches importance to the use of renewable resources. Under the new campus sports tennis and volleyball courts, there are 588 shallow soil heat exchanger wells. Through them, the school realizes the cold heat exchange between the ground source heat pump system and the soil. In the winter heating, the heat in the surface is taken out by the heat pump system to supply the indoor heating, and the underground is stored in the cold. When the air conditioner is used in the summer, the heat in the room is taken out, released into the surface, and stored in the underground for heat. Heating in winter. At present, the project has been commissioned and will be put into use this winter. It is estimated that the annual cost can be saved by more than RMB 1 million.
According to reports, on the basis of energy integration and utilization, the construction of the school water system has also been demonstrated by experts. This year will be implemented. This system includes unpowered direct drinking water, comprehensive utilization of reclaimed water, collection and utilization of rainwater, and conservation of water ecology. And fix it. Tianjin will support the school's water system construction through special funds for innovation funds.
Universities are big energy consumers, so to create a conservation-oriented ecological campus, schools should put energy savings throughout the process. Zhang Hongwei said that by adopting new technologies, improving resource utilization and maximizing benefits, the school has become a model community integrating talent cultivation, resource conservation, environmental friendliness and ecological virtuous circle.
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