出售东光特钢螺杆泵HSNH440-52
提高抗气蚀措施1:
提高离心泵本身抗气蚀性能的措施
(1)改进泵的吸入口至叶轮附近的结构设计。增大过流面积;增大叶轮盖板进口段的曲率半径,减小液流急剧加速与降压;适当减少叶片进口的厚度,并将叶片进口修圆,使其接近流线型,也可以减少绕流叶片头部的加速与降压;提高叶轮和叶片进口部分表面光洁度以减小阻力损失;将叶片进口边向叶轮进口延伸,使液流提前接受作功,提高压力。
(2)采用前置诱导轮,使液流在前置诱导轮中提前作功,以提高液流压力。
(3)采用双吸叶轮,让液流从叶轮两侧同时进入叶轮,则进口截面增加一倍,进口流速可减少一倍。
(4)设计工况采用稍大的正冲角,以增大叶片进口角,减小叶片进口处的弯曲,减小叶片阻塞,以增大进口面积;改善大流量下的工作条件,以减少流动损失。但正冲角不宜过大,否则影响效率。
(5)采用抗气蚀的材料。实践表明,材料的强度、硬度、韧性越高,化学稳定性越好,抗气蚀的性能越强。
出售东光特钢螺杆泵HSNH440-52
螺杆衬套
螺杆衬套(包括起着螺杆衬套作用的泵体,即泵体和螺杆衬套合二为一的结构,它多数用于小泵或不重要的场合)的作用是将三根螺杆装配
在它的三个内孔之中,用其内孔包容螺杆螺旋啮合形成的密封腔,从而将其两端的吸入腔和排出腔有效地隔开。封闭在螺杆衬套孔内的螺
杆螺旋的有效长度称为工作长度。所谓有效长度是指能确保螺杆螺旋段形成密封腔的起始位置(在吸入腔一端)和最终位置(在排出腔一端)
之间的实际尺寸。显然螺杆衬套内孔两端或螺杆螺旋两端若存在圆角或倒角的轴向长度尺寸是不能计算在内的,因为这两个尺寸不能起到
封闭密封腔的作用
HSNH系列三螺杆泵常规型号:
HSNH40-38 HSNH40-46 HSNH40-54 HSNH80-36 HSNH80-42
HSNH80-46 HSNH80-54 HSNH120-42 HSNH120-46 HSNH120-51
HSNH120-54 HSNH210-40 HSNH210-46 HSNH210-54 HSNH280-43
HSNH280-46 HSNH280-54 HSNH440-40 HSNH440-46 HSNH440-52
HSNH440-54 HSNH660-40 HSNH660-44 HSNH660-46 HSNH660-51
HSNH660-54 HSNH940-36 HSNH940-42 HSNH940-46 HSNH940-50
HSNH940-54 HSNH1300-38 HSNH1300-42 HSNH1300-44 HSNH1300-46
HSNH1300-54 HSNH1700-42 HSNH1700-46 HSNH2200-42 HSNH2200-46
HSNH2900-40 HSNH3600-46 HSNH5300-36 HSNH5300-42 HSNH5300-46
HSNH7400-32 HSNH7400-40 HSNH9400-32 HSNH9400-40
轴承外置型号:
HSNH40-38W1 HSNH40-46W1 HSNH40-54W1 HSNH80-36W1 HSNH80-42W1
HSNH80-46W1 HSNH80-54W1 HSNH120-42W1 HSNH120-46W1 HSNH120-51W1
HSNH120-54W1 HSNH210-40W1 HSNH210-46W1 HSNH210-54W1 HSNH280-43W1
HSNH280-46W1 HSNH280-54W1 HSNH440-40W1 HSNH440-46W1 HSNH440-52W1
HSNH440-54W1 HSNH660-40W1 HSNH660-44W1 HSNH660-46W1 HSNH660-51W1
HSNH660-54W1 HSNH940-36W1 HSNH940-42W1 HSNH940-46W1 HSNH940-50W1
HSNH940-54W1 HSNH1300-38W1 HSNH1300-42W1 HSNH1300-44W1 HSNH1300-46W1
HSNH1300-54W1 HSNH1700-42W1 HSNH1700-46W1 HSNH2200-42W1 HSNH2200-46W1
HSNH2900-40W1 HSNH3600-46W1 HSNH5300-36W1 HSNH5300-42W1 HSNH5300-46W1
HSNH7400-32W1 HSNH7400-40W1 HSNH9400-32W1 HSNH9400-40W1
进出口反向安装型号:
HSNH40-38Z HSNH40-46Z HSNH40-54Z HSNH80-36Z HSNH80-42Z
HSNH80-46Z HSNH80-54Z HSNH120-42Z HSNH120-46Z HSNH120-51Z
HSNH120-54Z HSNH210-40Z HSNH210-46Z HSNH210-54Z HSNH280-43Z
HSNH280-46Z HSNH280-54Z HSNH440-40Z HSNH440-46Z HSNH440-52Z
HSNH440-54Z HSNH660-40Z HSNH660-44Z HSNH660-46Z HSNH660-51Z
HSNH660-54Z HSNH940-36Z HSNH940-42Z HSNH940-46Z HSNH940-50Z
HSNH940-54Z HSNH1300-38Z HSNH1300-42Z HSNH1300-44Z HSNH1300-46Z
HSNH1300-54Z HSNH1700-42Z HSNH1700-46Z HSNH2200-42Z HSNH2200-46Z
HSNH2900-40Z HSNH3600-46Z HSNH5300-36Z HSNH5300-42Z HSNH5300-46Z
HSNH7400-32Z HSNH7400-40Z HSNH9400-32Z HSNH9400-40Z
轴承内置型号:
HSNH40-38N HSNH40-46N HSNH40-54N HSNH80-36N HSNH80-42N
HSNH80-46N HSNH80-54N HSNH120-42N HSNH120-46N HSNH120-51N
HSNH120-54N HSNH210-40N HSNH210-46N HSNH210-54N HSNH280-43N
HSNH280-46N HSNH280-54N HSNH440-40N HSNH440-46N HSNH440-52N
HSNH440-54N HSNH660-40N HSNH660-44N HSNH660-46N HSNH660-51N
HSNH660-54N HSNH940-36N HSNH940-42N HSNH940-46N HSNH940-50N
HSNH940-54N HSNH1300-38N HSNH1300-42N HSNH1300-44N HSNH1300-46N
HSNH1300-54N HSNH1700-42N HSNH1700-46N HSNH2200-42N HSNH2200-46N
HSNH2900-40N HSNH3600-46N HSNH5300-36N HSNH5300-42N HSNH5300-46N
HSNH7400-32N HSNH7400-40N HSNH9400-32N HSNH9400-40N
轴承内置进出口反向安装型号:
HSNH40-38NZ HSNH40-46NZ HSNH40-54NZ HSNH80-36NZ HSNH80-42NZ
HSNH80-46NZ HSNH80-54NZ HSNH120-42NZ HSNH120-46NZ HSNH120-51NZ
HSNH120-54NZ HSNH210-40NZ HSNH210-46NZ HSNH210-54NZ HSNH280-43NZ
HSNH280-46NZ HSNH280-54NZ HSNH440-40NZ HSNH440-46NZ HSNH440-52NZ
HSNH440-54NZ HSNH660-40NZ HSNH660-44NZ HSNH660-46NZ HSNH660-51NZ
HSNH660-54NZ HSNH940-36NZ HSNH940-42NZ HSNH940-46NZ HSNH940-50NZ
HSNH940-54NZ HSNH1300-38NZ HSNH1300-42NZ HSNH1300-44NZ HSNH1300-46NZ
HSNH1300-54NZ HSNH1700-42NZ HSNH1700-46NZ HSNH2200-42NZ HSNH2200-46NZ
HSNH2900-40NZ HSNH3600-46NZ HSNH5300-36NZ HSNH5300-42NZ HSNH5300-46NZ
HSNH7400-32NZ HSNH7400-40NZ HSNH9400-32NZ HSNH9400-40NZ
轴承外置特殊型号:
HSNH40-38W1M2 HSNH40-46W1M2 HSNH40-54W1M2 HSNH80-36W1M2 HSNH80-42W1M2
HSNH80-46W1M2 HSNH80-54W1M2 HSNH120-42W1M2 HSNH120-46W1M2 HSNH120-51W1M2
HSNH120-54W1M2 HSNH210-40W1M2 HSNH210-46W1M2 HSNH210-54W1M2 HSNH280-43W1M2
HSNH280-46W1M2 HSNH280-54W1M2 HSNH440-40W1M2 HSNH440-46W1M2 HSNH440-52W1M2
HSNH440-54W1M2 HSNH660-40W1M2 HSNH660-44W1M2 HSNH660-46W1M2 HSNH660-51W1M2
HSNH660-54W1M2 HSNH940-36W1M2 HSNH940-42W1M2 HSNH940-46W1M2 HSNH940-50W1M2
HSNH940-54W1M2 HSNH1300-38W1M2 HSNH1300-42W1M2 HSNH1300-44W1M2 HSNH1300-46W1M2
HSNH1300-54W1M2 HSNH1700-42W1M2 HSNH1700-46W1M2 HSNH2200-42W1M2 HSNH2200-46W1M2
HSNH2900-40W1M2 HSNH3600-46W1M2 HSNH5300-36W1M2 HSNH5300-42W1M2 HSNH5300-46W1M2
HSNH7400-32W1M2 HSNH7400-40W1M2 HSNH9400-32W1M2 HSNH9400-40W1M2
轴承外置进出口反向安装型号:
HSNH40-38W1Z HSNH40-46W1Z HSNH40-54W1Z HSNH80-36W1Z HSNH80-42W1Z
HSNH80-46W1Z HSNH80-54W1Z HSNH120-42W1Z HSNH120-46W1Z HSNH120-51W1Z
HSNH120-54W1Z HSNH210-40W1Z HSNH210-46W1Z HSNH210-54W1Z HSNH280-43W1Z
HSNH280-46W1Z HSNH280-54W1Z HSNH440-40W1Z HSNH440-46W1Z HSNH440-52W1Z
HSNH440-54W1Z HSNH660-40W1Z HSNH660-44W1Z HSNH660-46W1Z HSNH660-51W1Z
HSNH660-54W1Z HSNH940-36W1Z HSNH940-42W1Z HSNH940-46W1Z HSNH940-50W1Z
HSNH940-54W1Z HSNH1300-38W1Z HSNH1300-42W1Z HSNH1300-44W1Z HSNH1300-46W1Z
HSNH1300-54W1Z HSNH1700-42W1Z HSNH1700-46W1Z HSNH2200-42W1Z HSNH2200-46W1Z
HSNH2900-40W1Z HSNH3600-46W1Z HSNH5300-36W1Z HSNH5300-42W1Z HSNH5300-46W1Z
HSNH7400-32W1Z HSNH7400-40W1Z HSNH9400-32W1Z HSNH9400-40W1Z
出售东光特钢螺杆泵HSNH440-52