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气液增压泵大概是怎样工作的?

发布时间:2022-09-05 14:25:16   发布人:http://www.sdjingtuo.com
增压泵原理是利用大面积活塞的低气压产生小面积活塞的高液压。工业领域用于机床卡盘的卡紧,蓄能器充气,高压瓶充气,降低压气体转换成高压气体等。那么气液增压泵大概是怎样工作的?
The principle of booster pump is to use the low air pressure of large area piston to generate the high hydraulic pressure of small area piston. In the industrial field, it is used for clamping the chuck of machine tools, charging the accumulator, charging the high-pressure bottle, and converting the reduced pressure gas into high-pressure gas. How does the gas-liquid booster pump work?
先将增压泵内充满液体,然后启动离心泵,叶轮快速转动,叶轮的叶片驱使液体转动,液体转动时依靠惯性向叶轮外缘流去,同时叶轮从吸入室吸进液体。
First fill the booster pump with liquid, and then start the centrifugal pump. The impeller rotates rapidly. The blades of the impeller drive the liquid to rotate. When the liquid rotates, it flows to the outer edge of the impeller by inertia. At the same time, the impeller sucks liquid from the suction chamber.
在这一过程中,叶轮中的液体绕流叶片,在绕流运动中液体作用一升力于叶片,反过来叶片以一个与此升力大小相等、方向相反的力作用于液体,这个力对液体做功,使液体得到能量而流出叶轮,这时液体的动能与压能均增大。
In this process, the liquid in the impeller flows around the blade. During the flow around movement, the liquid acts on the blade with a lifting force. In turn, the blade acts on the liquid with a force equal to the lifting force and opposite in direction. This force works on the liquid, so that the liquid gets energy and flows out of the impeller. At this time, the kinetic energy and pressure energy of the liquid increase.
气液增压泵工作原理类似于压力增压器,对大径空气驱动活塞施加一个很低的压力,当此压力作用于一个小面积活塞上时,产生一个高压。通过一个二位五通气控换向阀,增压泵能够实现连续运行。
The working principle of the gas-liquid booster pump is similar to that of the pressure booster, which applies a very low pressure to the large diameter air driven piston. When this pressure acts on a small area piston, a high pressure is generated. The booster pump can realize continuous operation through a two position five ventilation control reversing valve.
由单向阀控制的高压柱塞不断的将液体排出,增压泵的出口压力大小与空气驱动压力有关。当驱动部分和输出液体部分之间的压力达到平衡时,增压泵会停止运行,不再消耗空气。
The high-pressure plunger controlled by the one-way valve continuously discharges the liquid, and the outlet pressure of the booster pump is related to the air drive pressure. When the pressure between the driving part and the output liquid part reaches equilibrium, the booster pump will stop running and no longer consume air.
当输出压力下降或空气驱动压力增加时,增压泵会自动启动运行,直到再次达到压力平衡后自动停止。采用单气控非平衡气体分配阀来实现泵的自动往复运动,泵体气驱部分采用铝合金制造。
When the output pressure drops or the air drive pressure increases, the booster pump will start automatically until it reaches the pressure balance again. A single gas controlled unbalanced gas distribution valve is used to realize the automatic reciprocating motion of the pump. The gas drive part of the pump body is made of aluminum alloy.
气液增压泵
接液部分根据介质不同选用碳钢或不锈钢。一般泵都有进气、排气两个口,在进气口能产生低于常压(即大气压)气压的叫“负压”;在排气口能产生高于常压气压的叫“正压”。
Carbon steel or stainless steel shall be selected for the liquid receiving part according to different media. Generally, the pump has two ports of intake and exhaust, and the pressure that can be generated at the intake is lower than the normal pressure (that is, atmospheric pressure), which is called "negative pressure"; The pressure that can be generated at the exhaust port is higher than the atmospheric pressure is called "positive pressure".
比如常说的真空泵就是负压泵,增压泵就是正压泵。正压泵跟负压泵有很大的不同。比如气体流向,负压泵是外部气体被吸入到抽气嘴;正压是从排气嘴喷出去;比如气压的高低等。
For example, the often said vacuum pump is a negative pressure pump, and the booster pump is a positive pressure pump. Positive pressure pump is very different from negative pressure pump. For example, the flow direction of gas, the negative pressure pump is that external gas is sucked into the air extraction nozzle; Positive pressure is ejected from the exhaust nozzle; Such as the air pressure.
无论何种原因造成保压回路压力下降,增压泵将自动启动,补充泄漏压力,保持回路压力恒定。压缩空气、氮气、水蒸汽、天然气等均可做作为泵的驱动气源。关注我们http://www.sdjingtuo.com,了解更多!
No matter what causes the pressure drop of the pressure maintaining circuit, the booster pump will automatically start to supplement the leakage pressure and keep the circuit pressure constant. Compressed air, nitrogen, steam, natural gas, etc. can be used as the driving gas source of the pump. Follow us http://www.sdjingtuo.com Yes, learn more!
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