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百度百科英文双吸泵简介

date.png 2019-10-26 09:11:39

双吸泵作为离心泵的一种重要方式,因其具有扬程高、流量大等特性,在工程中得到普遍应用。这种泵型的叶轮理论上由两个背靠背的叶轮组合而成,从叶轮番出的水流汇入一个蜗壳中。双吸泵具有如下一些特性:它相当于两个相同直径的单吸叶轮同时工作,在同样的叶轮外径下流量可增大一倍;泵壳水平中开,检查和维修便当,同时,双吸泵进出口在同一方向上且垂直于泵轴,利于泵和进出水管的布置与安装;双吸泵的叶轮结构对称,没有轴向力,运转较平稳。SH型双吸清水离心泵的吸入口与吐出口均在水泵轴心线下方,程度方向与轴线成垂直位置、泵壳中开,检修时无需拆卸进水,排出管路及电动机(或其他原动机)从联轴器向泵的方向看去,水泵均为逆时

针方向旋转。如依据用户特殊订货需求也可改为顺时针旋转。本型泵的主要另件有:泵体、泵盖、叶轮、轴、双吸密封环、轴套、轴承等。除轴的资料为优质碳素钢外,其馀多为铸铁制成。泵体与泵盖构成叶轮的工作室,在进出水法兰上制有装置真空表和压力表的管螺孔,进出水法兰的下部有用于放水的管螺孔。叶轮经过静均衡校验,用轴套和两侧的轴套螺母固定,其轴向位置能够经过轴套螺母停止调整,叶轮的轴向力应用其叶片的对称布置到达均衡,可能还有一些剩馀轴向力则同轴端的轴承接受。泵轴由两个单列向心球轴承支承,轴承装在泵体两端的轴承体内,用黄油光滑,双吸密封环用以减少水泵压水室的水漏回吸水室。水泵经过联轴器由电动机直接传动.轴封为软填料密封,为了冷却光滑密封腔和避免空气漏入泵内,在填料之间有水封环,水泵工作时少量高压水经过水封管流入填料腔起水封作用。

As an important way of centrifugal pump, double suction pump is widely used in engineering because of its high head and large flow. The impeller of this pump type is theoretically composed of two back-to-back impellers, and the water flow from the impeller flows into a volute. The double suction pump has the following characteristics: it is equivalent to two single suction impellers with the same diameter working at the same time, and the flow can be doubled under the same impeller outer diameter; the pump shell is opened horizontally, convenient for inspection and maintenance; at the same time, the inlet and outlet of the double suction pump are in the same direction and perpendicular to the pump shaft, which is conducive to the arrangement and installation of the pump and the inlet and outlet pipes; the impeller structure of the double suction pump is symmetrical, without axial direction Force, smooth operation.


The suction port and discharge port of SH type double suction clean water centrifugal pump are both below the pump axis, the degree direction is perpendicular to the axis, and the pump shell is opened. During maintenance, it is unnecessary to dismantle the water inlet. The discharge pipeline and motor (or other prime mover) are all reverse when viewed from the coupling to the pump.


Needle direction rotation. Such as according to the user's special order requirements can also be changed to clockwise rotation. The main other parts of this type of pump are: pump body, pump cover, impeller, shaft, double suction seal ring, shaft sleeve, bearing, etc. Apart from the fact that the shaft is made of high quality carbon steel, the rest are made of cast iron. The pump body and the pump cover form the working chamber of the impeller. The pipe screw holes of the vacuum gauge and the pressure gauge are arranged on the water inlet and outlet flange, and the pipe screw holes for water drainage are arranged on the lower part of the water inlet and outlet flange. After static balance verification, the impeller is fixed with the shaft sleeve and the shaft sleeve nuts on both sides. Its axial position can be stopped and adjusted by the shaft sleeve nut. The axial force of the impeller is balanced by the symmetrical arrangement of its blades. There may be some residual axial force accepted by the bearing at the coaxial end. The pump shaft is supported by two single row centripetal ball bearings. The bearings are installed in the bearing bodies at both ends of the pump body. The bearings are smooth with butter. The double suction seal rings are used to reduce the water leakage of the water pressure chamber of the pump back to the water suction chamber. The water pump is directly driven by the motor through the coupling. The shaft seal is a soft packing seal. In order to cool and smooth the sealing chamber and avoid air leakage into the pump, there is a water sealing ring between the packing. When the water pump is working, a small amount of high-pressure water flows into the packing chamber through the water sealing pipe to play the role of water sealing.


联系方式

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联系人

徐经理

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电话

0312-3426976

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手机

13932271419

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QQ

632469545

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邮箱

632469545@qq.com

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地址

河北安国市石佛镇路景工业园区景旺路8号

 
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