本文選題：消防泵 + 自灌吸水　； 參考：《給水排水》2017年10期

【摘要】：消防泵房和消防水池是給排水專業(yè)的重要機(jī)房及附屬構(gòu)筑物之一,水池荷載及所需建筑面積直接影響建筑和結(jié)構(gòu)專業(yè)的平面布局和計(jì)算,要求給排水專業(yè)提供準(zhǔn)確的條件,水池有效容積的計(jì)算則是為專業(yè)配合提供準(zhǔn)確條件的前提。針對(duì)《消防給水及消火栓系統(tǒng)技術(shù)規(guī)范》(GB 50974—2014)中關(guān)于消防水池最低有效水位和自灌吸水的爭(zhēng)議,模擬消防系統(tǒng)搭建中試平臺(tái)以驗(yàn)證消防水泵自灌式吸水及運(yùn)行的全過(guò)程。試驗(yàn)結(jié)果表明,當(dāng)消防水池的水位由于消防泵吸水而下降至吸水橫管以下后,主泵停泵等待數(shù)分鐘后再切換備用泵,備用泵能夠正常啟動(dòng)。因此,消防水池的有效容積應(yīng)從最低有效水位算起,而最低有效水位與是否高于消防泵吸水橫管無(wú)關(guān)。
[Abstract]:The fire fighting pump house and fire water pool are one of the important machinery rooms and ancillary structures of water supply and drainage specialty. The load of pool and the required building area directly affect the plane layout and calculation of the specialty of architecture and structure, and require the specialty of water supply and drainage to provide accurate conditions. The calculation of the effective volume of the pool is the premise of providing accurate conditions for professional cooperation. In view of the dispute about the minimum effective water level and self-irrigation suction water level of fire water pool in "Technical Specification for Fire Water supply and Fire hydrant system" (GB50974-2014), a pilot platform was built by simulating fire control system to verify the whole process of self-irrigation water absorption and operation of fire water pump. The test results show that when the water level of the fire tank drops below the horizontal pipe due to the suction of the fire pump, the main pump stops the pump for a few minutes before switching the backup pump, and the backup pump can start normally. Therefore, the effective volume of fire tank should be calculated from the lowest effective water level, and the lowest effective water level has nothing to do with whether or not it is higher than the horizontal pipe of fire pump suction.
【作者單位】： 中國(guó)建筑設(shè)計(jì)院有限公司;北京市公安消防總隊(duì);
【分類號(hào)】：TU892

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