/PRZWT/Qingdao, September 25, 2024 - From September 20 to 21, the 2024 Rail Transit Innovation and Development Conference was held in Qingdao. Domestic rail transit experts and scholars, subway owners, construction units, design institutes, third-party survey and monitoring agencies, construction units, and equipment company representatives gathered to discuss new standards, new technologies, and new solutions for the green and intelligent development of rail transit.
Smart rail transit full-scenario solutions to promote green energy conservation in the industry
At the meeting, Luan Chuanfang, general manager of Haier's smart building rail transit industry, said at the meeting that Haier's smart building undertakes the national strategy, takes advantage of the transformation, and provides full-space, full-scene, and full-cycle smart low-carbon solutions based on the building brain. Focusing on the rail transit industry, with the core advantages of full-scene wisdom, energy saving and carbon reduction of 50%, we will create a new label of "smart low-carbon".
During the forum sharing session, Dong Rugang, technical director of Haier's smart building ecological industry, brought a comprehensive solution interpretation for the current industry's new projects and energy-saving renovation project needs. Haier's smart buildings target the five core scenarios of the rail transit industry, such as platform/hall, office/depot, data room, TOD, and energy management, and provide differentiated smart low-carbon solutions for user pain points.
In the field of smart rail transit, Haier Smart Building has won the first market share for six consecutive years, with cooperation projects in 39 cities across the country, covering 226 subway lines. As a leader in domestic urban rail air-conditioning systems, it has run out of "acceleration" on the road leading the development of smart energy conservation in urban rail transit!
Innovative scientific and technological strength, jointly draw a blueprint for rail communication wisdom
Academician Jiang Yi said, "The energy consumption of the ventilation and air conditioning system has reached about 50% of the total energy consumption of the subway transportation. As long as the air conditioning system in the subway station can reduce the energy consumption by 30%, it can reduce the operating cost of the entire subway transportation system by 12%."
Up to now, there are 1399 stations in our country that have been in operation for more than 10 years, accounting for 25% of the total stations, and the market demand for renovation is relatively large; in addition, our country's rail transit is developing rapidly, and it is expected to grow at a rate of 1000km every year, and the development of energy conservation is imminent. Evaporative cooling has become a new choice for energy conservation in the field of rail transit due to its advantages of high efficiency and energy saving, small footprint, and no floating water noise. Haier's smart building evaporative cooling solution of Qingdao Line 6 is the first subway line in China to use direct expansion evaporative cooling units across the line. Its high-efficiency falling film evaporator reduces the refrigerant charge by 40% and increases the heat transfer coefficient by 30%; super-galvanized steel plate has excellent corrosion resistance and is more suitable for the coastal city The integrated design of the left and right structure integrates the main engine, water pump, cooling tower and control system. The split structure can be split into modules, which is more convenient to install. Qingdao Line 6 provides a benchmark case for the application of rail direct expansion evaporation cooling. Haier evaporation cooling projects in Xi'an, Zhengzhou, Changsha, Chongqing and other cities are blooming everywhere, setting a high standard demonstration for the further combination of evaporation cooling maglev and rail transit industries.
In Shenzhen, 62 Haier magnetic levitation central air conditioners as the core of the high-efficiency computer room plan were implemented on the whole line of Shenzhen Metro Line 14, and integrated with Haier feng shui linkage intelligent control system, becoming the first air conditioning control system in the country to adopt intelligent environmental control design. Combined with BIM technology optimization, the equipment room area is saved by more than 500 square meters, saving the initial investment and improving the energy efficiency of the cold machine by 50%. Equipped with feng shui linkage system, it realizes unattended, one-click start and stop, which greatly reduces the operation and maintenance cost.
From industry product suppliers, to scenario solution providers, and then to full life cycle service providers, Haier smart buildings continue to strengthen technical capabilities and precipitate user requests, not only bringing new ideas for carbon reduction to the urban rail transit industry, but also contributing to the realization of the national double carbon target.
