logo

博九福彩您当前的位置是:博九福彩>>>>>> 博九福彩>> 博九福彩

多级泵厂家-多级泵介绍-@河北冀泵源
作者: 更新日期:2019-11-18 13:38:26 浏览次数:

 多级泵多级泵厂家-多级泵介绍-@河北冀泵源

多级泵就是很多单级泵的简单串联,组合在-起。他的输出水压可以很大。
是离心泵的一种,也是依靠叶轮的旋转在获取离心力,从而物料。待气体密度达
到机械真空泵的工作范围而被抽出, 从而逐渐获得高真空。多级泵是靠泵腔容积
的变化来实现吸气、压缩和排气的,因此它是可以变容积的离心泵。
多级泵的基本构造是由进水段、出水段、中段、尾盖、叶轮,泵体,泵轴,
轴承,密封环,填料函等部件构成。
1、叶轮是多级泵的核心部分,它转速高出力大,叶轮上的叶片又起到主要
作用,叶轮在装配前要通过静平衡实验。叶轮上的内外表面要求光滑, 以减少水
流的摩擦损失。
2、进水段、出水段、中段也称泵壳,它是多级泵的主体。起到支撑固定作
用,并与安装轴承的托架相连接。
3、泵轴的作用是借联轴器和电动机相连接,将电动机的转矩传给叶轮,所
以它是传递机械能的主要部件。
多级泵厂家-多级泵介绍-@河北冀泵源
4、轴承是套在泵轴上支撑泵轴的构件,有滚动轴承和滑动轴承两种。滚动
轴承使用牛油作为润滑剂加油要适当一般为2/3 ~ 3/4的体积太多会发热,太少
又有响声并发热!滑动轴承使用的是透明油作润滑剂的,加油到油位线。太多油要
沿泵轴渗出并且漂贱,太少轴承又要过热烧坏造成事故!在水泵运行过程中轴承
的温度最高在85度一般运行在60度左右 ,如果高了就要查找原因(是否有杂质,
油质是否发黑,是否进水)并及时处理!
5、密封环又称减漏环。叶轮进口与泵壳间的间隙过大会造成泵内高压区的
水经此间隙流向低压区,影响泵的出水量,效率降低!间隙过小会造成叶轮与泵
壳摩擦产生磨损。为了增加回流阻力减少内漏,延缓叶轮和泵壳的所使用寿命,
在泵壳内缘和叶轮外援结合处装有密封环,密封的间隙保持在0.25 ~ 1.10mm之
间为宜。
6、填料函主要由填料,水封环,填料筒.填料压盖,水封管组成。填料函
的作用主要是为了封闭泵壳与泵轴之间的空隙,不让泵内的水流不流到外面来也
不让外面的空气进入到泵内。始终保持水泵内的真空!当泵轴与填料摩擦产生热
量就要靠水封管住水到水封圈内使填料冷却!保持水泵的正常运行。所以在水泵
的运行巡回检查过程中对填料函的检查是特别要注意!在运行600个小时左右就
要对填料进行更换。
多级泵厂家-多级泵介绍-@河北冀泵源
 
Multistage pump
Multistage pump is the simple series connection of many single-stage pumps, which is combined from to. His output water pressure can be very high.
Is a kind of centrifugal pump, but also rely on the rotation of the impeller to obtain centrifugal force, thus material. When the gas density reaches
To the working range of mechanical vacuum pump, it is drawn out, thus gradually obtaining high vacuum. The multi-stage pump depends on the volume of pump chamber
Change to achieve suction, compression and exhaust, so it is a variable volume centrifugal pump.
The basic structure of multistage pump is composed of water inlet section, water outlet section, middle section, tail cover, impeller, pump body and pump shaft,
Bearing, seal ring, stuffing box and other components.
1. The impeller is the core part of the multistage pump, which has high speed and large output, and the blades on the impeller play an important role
Function: impeller must pass static balance test before assembly. The internal and external surfaces of impeller shall be smooth to reduce water
Friction loss of flow.
2. The water inlet section, water outlet section and middle section are also called pump casings, which are the main body of multistage pumps. Start to support and fix
Use and connect with bracket for installing bearing.
3. The function of the pump shaft is to connect the coupling with the motor and transmit the torque of the motor to the impeller
So it is the main part of mechanical energy transmission.
4. The bearing is a component sleeved on the pump shaft to support the pump shaft, including rolling bearing and sliding bearing. Roll
When using tallow as lubricant for bearings, it is necessary to properly add 2 / 3 ~ 3 / 4 of the oil. If the volume is too much, it will heat up, too little
There is also noise and heat! The sliding bearing uses transparent oil as lubricant, and oil to the oil level line. Too much oil.
Leakage and drift along the pump shaft, too few bearings will overheat and burn, causing accidents! During the operation of the pump, bearings
The highest temperature is 85 ℃. Generally, the temperature is about 60 ℃. If it is high, find out the reason (whether there is impurity,
Whether the oil is black, whether there is water in it) and deal with it in time!
5. The sealing ring is also called the leakage reducing ring. The excessive clearance between the impeller inlet and the pump casing will cause the high pressure area in the pump
The water flows to the low-pressure area through the clearance, which affects the water output of the pump and reduces the efficiency! Too small clearance will cause impeller and pump
Friction of the shell causes wear. In order to increase the backflow resistance and reduce the internal leakage and delay the service life of impeller and pump casing,
A sealing ring is installed at the joint of the inner edge of the pump housing and the outer aid of the impeller, and the sealing clearance is kept between 0.25 and 1.10 mm
It should be appropriate.
6. The packing box is mainly composed of packing, water seal ring, packing barrel, packing gland and water seal pipe. Stuffing box
The main function of the pump is to close the gap between the pump housing and the pump shaft, so as to prevent the water flow in the pump from flowing outside
Do not let outside air into the pump. Keep the vacuum in the water pump all the time! When the pump shaft and the packing friction, heat will be generated
The quantity depends on the water seal pipe to keep the water in the water seal ring to cool the packing and keep the normal operation of the water pump. So at the pump
Special attention should be paid to the inspection of stuffing box during the patrol inspection of the operation of the
Replace the packing.
分享到:QQ空间新浪微博腾讯微博人人网微信