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德国痴贰搁顿贰搁础滨搁双膜泵的工作原理
双隔膜是一种容积式泵，利用两个前后往复运动的柔性隔板，形成一个临时室，两者都吸入并排出流体通过泵。隔膜用作空气和液体之间的分隔壁。
*笔
德国痴贰搁顿贰搁础滨搁两个隔膜通过轴通过空气阀所在的中心部分连接。空气阀的目的是将压缩空气引导到*个隔膜的背面，使其远离中心部分。*个隔膜导致冲程将液体移出泵。同时隔膜二号正在进行吸气冲程。隔膜二号后面的空气被推到大气中，使大气压力将液体推到吸入侧。吸入球阀被推离其座位，允许流体流过球阀进入液体室。
第二笔
当加压隔膜*号已经到达其行程结束时，空气的运动通过空气阀从隔膜的*个到第二个隔膜的后面切换。压缩空气将光圈二号离开中心块，导致隔膜1被拉向中心块。在泵室二号中，排放球阀被推离其座位，而在第1泵的泵室中则出现相反的情况。在行程完成后，空气阀将空气再次引导到*个隔膜的后面，并重新开始循环。
点击这里查看视频“如何DIAPHRAGM PUMPS工作！”
在哪里可以使用双面胶膜？
隔膜泵是许多行业的常见场所。有大量的建筑材料可以产生令人迷惑的数量的配置，以适应困难的流体，例如
腐蚀性化学品
挥发性溶剂
粘稠粘稠液体
剪切敏感的食品和制药产物
脏水和磨料浆
较小的固体
奶油，凝胶和油
除液体处理性能外，还可以为ATEX区域，EC1935 / 2004，FDA和3A卫生应用AODD泵，以及其他行业合规措施。

德国痴贰搁顿贰搁础滨搁双膜泵工作原理及特性
为什么使用空气操作的胶膜泵？
德国VERDERAIR AODD泵是一个多功能的主力，使跨越不同行业的用户可以将单个泵类型标准化，用于处理各种流体。只要有压缩空气供应，泵可以安装在需要的地方，如果情况发生变化，可以在工厂内移动并轻松切换到其他操作。无论流体被处理是否需要温和的泵送动作，化学或物理上是积极的，正位移AODD泵提供了一种和低维护的解决方案。

THE WORKING PRINCIPLE OF A DOUBLE DIAPHRAGM PUMP

A double diaphragm is a positive displacement pump which utilises two flexible diaphragms that reciprocate back and forth, creating a temporary chamber, which both draws in and expels fluid through the pump. The diaphragms work as a separation wall between the air and the liquid.

The first stroke

The two diaphragms that are connected by a shaft through the centre section where the air valve is located. The purpose of the air valve is to direct the compressed air to the back of diaphragm number one causing it to move away from the centre section. The number one diaphragm causes a press stroke moving liquid out of the pump. At the same time diaphragm number two is performing a suction stroke. The air behind diaphragm number two is being pushed out to the atmosphere causing atmospheric pressure to push the liquid to the suction side. The suction ball valve is pushed away off its seat allowing the fluid to flow past the ball valve into the liquid chamber.

The second stroke

When the pressurised diaphragm number one has reached the end of its stroke, the movement of the air is switched from diaphragm number one to the back of diaphragm number two by the air valve. The compressed air pushes diaphragm number two away from the centre block resulting in diaphragm number one being pulled toward the centre block. In pump chamber number two the discharge ball valve is pushed off its seat, whilst in pump chamber number one the opposite occurs. Upon completion of the stroke the air valve leads the air again to the back of diaphragm number one and restarts the cycle.

德国痴贰搁顿贰搁础滨搁双膜泵工作原理及特性