泵站設(shè)計(jì)關(guān)鍵ppt課件(完整版)
【正文】 H I N K I N G29 My pit must be installed in the street?? 泵站需要安裝在街道上 ? The consultants want to install the pit in a area with heavy traffic. ? 客戶需要將泵站安裝在交通繁忙的區(qū)域 ? Which solution can we offer him? ? 我們能提供什么解決方案？ Situation情形 G r u n d f o s F L O W T H I N K I N G30 The norm EN 124 precises the design/load of the manholes top for traffic and sidewalk area EN124標(biāo)準(zhǔn)規(guī)定交通和人行道區(qū)域頂蓋設(shè)計(jì)和荷載 Class A15 ( 15 kN) for sidewalk and bicycle area A15級(jí) ( 15 kN)可以承受人行道和自行車區(qū)域 Class B125 ( 125 kN) for pavements, sidewalk zones B125 ( 125 kN)可以承受公路和人行道區(qū)域 Class C 250 for gully C 250可用于集水溝 Class D 400 for roads, streets and parkings D 400可用于道路、街道和停車場(chǎng) Class E 600 and F 900 A pit like PUST can withstand 1000 kg (1 kg = 10 N) PUST可以承受1000kg荷載 (1 kg = 10 N) Max load on top of the pit 泵站頂蓋最大承載 G r u n d f o s F L O W T H I N K I N G31 Concrete basement 混凝土底板 Cast iron manhole cover 鑄鐵蓋板 Concrete cone 混凝土錐 Orings O形圈 Asphalt 瀝青 Asphalt瀝青 How to install the pit in the street 如何將泵站安裝在街道上 。G r u n d f o s F L O W T H I N K I N G1 Key Factors for PS Design 泵站設(shè)計(jì)關(guān)鍵因素 G r u n d f o s F L O W T H I N K I N G2 ? Installation ? 安裝位置 ? Inside/outside, on or below the floor, etc.. ? 室內(nèi) /室外， 地面 /地下等 ? Size of the installation ? 安裝尺寸 ? Wastewater, rainwater flow, Head ? 污廢水，雨水的流量、揚(yáng)程 ? Material ? 材料 ? Concrete, fibre glass, polyethylene, etc ? 混凝土、玻璃鋼或聚乙烯等 ? Requested equipments ? 設(shè)備要求 ? Screen, separate valve chamber, level switch, etc. ? 格柵、獨(dú)立閥門井、液位開關(guān)等 Before we can select the right pumping station, we need to know? 在泵站設(shè)計(jì)前，我們需要知道？ G r u n d f o s F L O W T H I N K I N G3 Basic process of PPS design 泵站設(shè)計(jì)基本步驟 Pump design finished 泵站設(shè)計(jì)完成 Pump selection 選泵 Designed inflow, head 設(shè)計(jì)入流流量、揚(yáng)程 Related information collection 相關(guān)信息收集 Elevation of ground, inlet and discharge 地面、進(jìn)出水管標(biāo)高 Confirm effective Volume 確定有效容積 Confirm stop level 確定停泵水位 Confirm start/stop number 確定啟動(dòng)次數(shù) Confirm distance between start and stop level 確定啟停液位距離 Tank diameter 井筒直徑 G r u n d f o s F L O W T H I N K I N G4 Sizing of wastewater pumping station 污廢水泵站尺寸 Minimum volume 最小容積 Effective volume 有效容積 ?1 ?2 ?3 ?4 Ground level 地面標(biāo)高 ?5 ?6 Top cover頂蓋 Discharge port出水端 Alarm level 報(bào)警液位 Inlet port 進(jìn)水端 Start level 啟動(dòng)液位 Bottom底部 Stop level停泵液位 G r u n d f o s F L O W T H I N K I N G5 ? The depth of the minimum volume must be high enough to avoid the pump sucking air ? 最小容積高度應(yīng)該避免水泵吸入空氣 ? Direct fall
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