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化工泵-不锈钢化工泵-不锈钢化工泵厂家

date.png 2019-03-22 13:43:53

泵是进行液体输送的机械,化工离心泵是其中的一种,它通过叶轮使流经叶轮的液体受到离心力的作用,提高液体的机械能,从而进行液体输送,它是一个增加液体能量的机器。泵在化工生产中,不但要输送液体物料并提供工艺要求的必要压力,还必须保证输送的物料量,在一定的化工单元操作中,要求泵的流量和扬程要稳定,保持泵高效率可靠运行。

化工泵输送的介质,包括原料、反应中间物等往往多为腐蚀性介质。由于化工泵输送的物流中含有悬浮固体颗粒,同时泵的叶轮、腔体也有的在高压高流速下工作,泵的零部件表面保护层被破坏,其寿命较短,所以必须提高化工泵的耐磨性、耐冲刷性,这就要求泵的材料选用耐磨的锰钢、陶瓷、铸铁等,选用耐冲刷的钛材、锰钢等。

化工泵有时输送临界状态的液体,一旦液体在泵内汽化,则易于产生气蚀破坏,这就要求泵具有较高的抗气蚀性能。同时,液体的汽化,可能引起泵内动静部分的摩擦胶合,这就要求有关间隙取大一些。为了避免由于液体的汽化使机械密封、填料密封、迷宫密封等因干摩擦而破坏,这类化工泵必须有将泵内发生的气体充分排除的结构。



Pump is a kind of machinery for liquid transportation, chemical centrifugal pump is one of them. It makes the liquid flowing through the impeller subject to centrifugal force through the impeller, improves the mechanical energy of the liquid, so as to carry out liquid transportation. It is a machine for increasing the energy of the liquid. Pump in chemical production, not only to transport liquid materials and provide the necessary pressure required by the process, but also to ensure the amount of material transported. In a certain chemical unit operation, the flow and head of the pump are required to be stable, to maintain high efficiency and reliable operation of the pump.


Chemical pump transport medium, including raw materials, reaction intermediates, etc. are often corrosive media. Because the flow conveyed by chemical pump contains suspended solid particles, at the same time, the impeller and chamber of the pump also work under high pressure and high flow rate, the surface protective layer of the pump parts is destroyed and its life is short, so it is necessary to improve the wear resistance and erosion resistance of the chemical pump. This requires that the material of the pump should be wear-resistant manganese steel, ceramics, cast iron, erosion-resistant titanium, manganese steel, etc. 。


Chemical pumps sometimes transport critical liquid, once the liquid vaporizes in the pump, it is easy to cause cavitation damage, which requires that the pump has a high anti-cavitation performance. At the same time, the vaporization of liquid may cause friction cementing of the dynamic and static parts of the pump, which requires a larger clearance. In order to avoid the mechanical seal, packing seal and labyrinth seal damaged by dry friction due to the vaporization of liquid, this kind of chemical pump must have the structure of fully eliminating the gas occurring in the pump.


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ico04
联系人

徐经理

ico01
电话

0312-3426976

ico06
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13932271419

ico05
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632469545

ico03
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632469545@qq.com

ico02
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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