案例說明
無塵室空氣經由buffer room 的破孔,大量造成外洩,進行修繕,避免無塵室的乾淨空氣外洩,節省洩漏的成本損失
設計理念或改善流程
無塵室空氣經由buffer room 的破孔,大量造成外洩,進行修繕,避免無塵室的乾淨空氣外洩,節省洩漏的成本損失
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Air leakage measuring at buffer room (內門開啟時 - 無塵室側)
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1.1 (m) x 0.7 (m) x 70%(開孔比例) x 5.67 (m/s)(風速) = 3.06 (m3/s) = 11,016 (CMH)
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11,016 (CMH) x 0.0085 (kWh/CMH) = 93.64 (kWh)
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Counts: 20 (time/day)(一天預估開啟20次) 20 (sec/time)(每次開起20秒) → 40.56 (h/year)(一年開啟40.56小時)
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93.64 (kWh) x 40.56 (h/year) = 3,798 (kWh/year)
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Air leakage measuring at buffer room (內門關閉時 - 無塵室側)
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1.1 (m) x 0.7 (m) x 70%(開孔率) x 2.22 (m/s)(風速) = 1.2 (m3/s) = 4,320 (CMH)
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4,320 (CMH) x 0.0085 (kWh/CMH) = 36.72 (kWh)
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8760 (h/year) – 40.56 (h/year) = 8719.44 (h/year)(一年關閉的小時數)
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36.72 (kWh) x 8719.44 (h/year) = 320,177 (kWh/year)
Energy saving: 3,798 + 320,177 = 323,975 (kWh/y)