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["Demandez une question concernant le débit d'un pompe

2020-04-21View Original

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Un projet de carburant à base d'alcool, le processus est la méthanol et le stabilisateur mélang mémé mélang mélang mélang mélang mélang mé混合后通过泵打入装车鹤管。酒精燃料罐是一个5米高的内浮顶常压罐,后面连接一个离心泵。离心泵后的管道经过一个7.1米高的管廊后进入一段很长的直管廊,然后下降到约4米高后进入装车鹤管。泵前管径111,泵后s,流量63m?/h。我选择的泵的扬程为5s,计算泵后的压力为0.45MPa,轴功率不到8kw。现在甲方要求将泵的扬程限定在2米以内,这样算来泵后的压力为 o.16MPa,轴功率算才不到4kw。不知道这样的的泵能否满足要求,请求大神解惑
Reply #22020-04-22
Après le passage de 7.1 mètres de le passer,知道多长才能算扬程。你计算的扬程为5s米,甲方认为只需要 o米,从你的描述中看不出谁是对的谁是错。
Reply #32020-04-22
Pour calculer la p整个过程的压力降最好有接近管长
Reply #42020-04-22
Une estimationimation approximative de la p压ion de 1.85米的压力降控制在9KPa以内,泵送5米的压力降为5sKPa,泵后的压力为 o.14MPa应该差不多了。请大神指导
Reply #52020-04-22
La longueur de de la long直管廊长度不确定,出口出口出口出口管路长度每 s米,增加 s米的扬程;再加上垂直高度 ;再加每个 s度弯头增加 s米的扬程"

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