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[Daily Question] Environmental Protection Knowledge (Multiple Choice) 20200703

2020-07-03View Original

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The designed air volume for a certain negative-pressure dust removal system is 20,000 m3/h. The local atmospheric pressure is 95,000 Pa, the temperature of the medium being transported is 60°C, the air leakage rate of the piping network is 15%, the air leakage rate of the dust collector is 3%, and the air leakage rate of the silencer is 1%. What should be the minimum air volume of the dust removal fan in m3/h? (A) 22211 (B) 23690 (C) 25243 (D) 26924 Answer: A

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