(一)概述
d型泵適合于輸送清水及物理化學(xué)性質(zhì)類似于清水的介質(zhì)，其固體不溶物體積不超過單位體積0.1%，粒度≤2mm；溫度-20～+105℃的清水、或物理化學(xué)性質(zhì)類似清水的液體。主要適用于城市高層建筑給排水及消防用水、工廠、礦山給排水、遠(yuǎn)距離輸水、生產(chǎn)工藝循環(huán)中用水、暖通空調(diào)循環(huán)、生活用水等多種用途。
(二)特點(diǎn)
d型泵為臥式安裝,吸入口水平,排出口垂直向上。泵的 吸入 段、中段、排出段用拉緊螺栓聯(lián)結(jié)成一體。泵由泵體、葉輪、軸、導(dǎo)葉、導(dǎo)葉套和平衡盤等主要零部件組成。轉(zhuǎn)子的軸向力由平衡盤平衡。軸承采用滾動(dòng)軸承，用黃油潤(rùn)滑。軸封采用機(jī)械密封和填料密封。在填料密封的填料箱中通入有一定壓力的水，起水封作用。從驅(qū)動(dòng)端方向看，泵為順時(shí)針方向旋轉(zhuǎn)
(三)性能范圍
泵
型
號(hào)
流
量
q
(m3
/h)
揚(yáng)
程
h
(m)
轉(zhuǎn)
速
n
(r/
min)
功率(kw)
泵
效
率
η
(%)
允許
吸上
真空
高度
hs(m)
葉輪
直徑
d2
(mm)
泵
重
量
泵外形
尺寸(mm)
泵口
徑(mm)
備
注
軸
功
率
配
帶
功
率
長(zhǎng)
寬
高
吸
入
排
出
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