Hailiang Group Project
- Categories:Elevator
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- Time of issue:2018-05-17
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Hailiang Group Project
1. Project introduction:
Inner Mongolia Hailiang Real Estate Development Co., Ltd. is a wholly-owned subsidiary of Hailiang Group. At present, it has invested more than 4 billion yuan in Hohhot to build Hailiang Plaza, a landmark project in Hohhot. Hailiang Real Estate will rely on Hailiang Plaza, Buildings A, B, C, and D of Hailiang Plaza are business office apartment buildings that integrate office and accommodation. Each of them has 6 elevators under the Guangzhou Hitachi brand. The floor is 35 floors, the elevator power is 30KW, and the elevator speed is 2.0m/s.
2. Transformation steps:
3. Product selection:
4. Installation schematic diagram:
5. Reconstruction site:
6. On-site test results:
According to the field test data, the power saving effect of this project is very obvious. The average power saving rate of a single elevator is about 30%, and the power saving is 16-20 kWh per day.
7. Power saving benefits:
Calculated with 360 as a one-year cycle: 24 units x 18 kilowatt-hours of electricity x 360 days = 155,520 kilowatt-hours of electricity for one year; the installation of the elevator energy-saving device in this project saves 155,500 kilowatt-hours of electricity for the company, calculated at the price of one yuan per kilowatt-hour It can save 155,500 yuan in economic benefits in one year.
And since the resistance no longer heats up after using the electric energy feedback device, the air conditioner used to lower the temperature of the machine room can almost be disabled, so the energy saving of the air conditioner part is also considerable. For this project, we take an empirical coefficient of 0.8 for energy consumption calculation. The 4 elevator machine rooms of this project are all equipped with a 3-hp air conditioner. The average cost per day is ten hours. The annual cost is about:
A factor of 0.8 x 4 computer rooms x 2.25KW x 10 hours x 360 days = 25920 degrees. At the price of one yuan per kilowatt-hour of electricity, one year can save 25,900 yuan in economic benefits.
Total annual economic benefit: 15.55+2.59=181,400 yuan
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