According to the research of the research group, in the high-rise buildings, the higher the floor, the lower the power of the range hood, and the lower the floor, the more power the hood needs, but it does not need to exceed 50m. To 1500m, the range hood is undoubtedly wasting energy. It is understood that the results of another key scientific research project of the Ministry of Construction? The design of the LQ-type range hood is to achieve the low energy consumption of r motor power of only 90W under the premise of satisfying the necessary exhaust volume of the kitchen in the "House Design Code". Lin Runquan told reporters that some range hoods have no problem in the 30th floor, but not in the low-level users' homes, which involves the problem of the characteristics of a range hood.
How to match the most suitable matching of the residential kitchen and bathroom variable pressure exhaust parts system depends on the characteristic curve of the range hood. At present, all the range hood products in Japan have characteristic curves. In China, there is still no characteristic graph of the range hood product of a company. However, the chief technical officer of a range hood enterprise pointed out that the characteristic curve is the technical secret of the enterprise. Japan's intellectual property rights are better protected, and companies will not lose money if they publish their own characteristic charts. At present, Chinese companies still do not receive such protection. The reporter noticed that two "Dragon" range hoods were placed at the appraisal meeting. The staff told reporters that these two range hoods are products that have been installed in a certain community in Beijing. The biggest feature is that the power is small but the suction is large. The power of several tens of watts can suck the plastic basin containing half a basin of water on the top of the hood.
At present, Dulong range hoods are not on sale, only for supporting projects in real estate projects.
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