原文：
气动隔膜泵是一种新型输送机械，是目前国内{zx1}颖的一种泵类。采用压缩空气为动力源，对于各种腐蚀性液体，带颗粒的液体，高粘度、易挥发、易燃、剧毒的液体，均能予以抽光吸尽。 气动隔膜泵其有四种材质：塑料、铝合金、铸铁、不锈钢。隔膜泵根据不同液体介质分别采用丁晴橡胶、氯丁橡胶、氟橡胶、聚四氟乙烯、聚四六乙烯。以满足不同用户的需要。安置在各种特殊场合，用来抽送种常规泵不能抽吸的介质，均取得了满意的效果。 一、气动隔膜泵适用场合 由于气动隔膜泵具有以上特点，所以在世界上隔膜泵自从诞生以来正逐步侵入其他泵的市场，并占有其中的一部分。如：喷漆、陶瓷业中隔膜泵已占有{jd1}的主导地位，而在其他的一些行业中，像环保、废水处理、建筑、排污、精细化工中正在扩大它的市场份额，并具有其他泵不可替代的地位。气动隔膜泵的优势在于： 1、由于用空气作动力，所以流量随背压（出口阻力）的变化而自动调整，适合用于中高粘度的流体。而离心泵的工作点是以水为基准设定好的，如果用于粘度稍高的流体，则需要配套减速机或变频调速器，成本就大大的提高了，对于齿轮泵也是同样如此。 2、在易燃易爆的环境中用气动泵可靠且成本低，如燃料、火药、xx的输送，因为：{dy}、接地后不可能产生火花；第二、工作中无热量产生，机器不会过热；第三、流体不会过热因为隔膜泵对流体的搅动最小。 3、在工地恶劣的地方，如建筑工地、工矿的废水排放、由于污水中的杂质多且成分复杂，管路易于堵塞，这样对电泵就形成负荷过高的情况，电机发热易损。气动隔膜泵可通过颗粒且流量可调，管道堵塞时自动停止至通畅。 4、另外隔膜泵体积小易于移动，不需要地基，占地面极小，安装简便经济。可作为移动式物料输送泵。 5、在有危害性、腐蚀性的物料处理中，隔膜泵可将物料与外界xx隔开。 6、或是一些试验中保证没有杂质污染原料。 7、可用于输送化学性质比较不稳定的流体，如：感光材料、絮凝液等。这是因为隔膜泵的剪切力低，对材料的物理影响小。 二、气动隔膜泵工作原理 1、压缩空气为动力。 2、是一种由膜片往复变形造成容积变化的容积泵，其工作原理近似于柱塞泵，由于隔膜泵工作原理的特点，因此隔膜泵具有以下特点: （1）泵不会过热：压缩空气作动力，在排气时是一个膨胀吸热的过程，气动泵工作时温度是降低的，无有害气体排出。 （2）不会产生电火花：气动隔膜泵不用电力作动力，接地后又防止了静电火花 （3）可以通过含颗粒液体：因为容积式工作且进口为球阀，所以不容易被堵。 （4）对物料的剪切力极低：工作时是怎么吸进怎么吐出，所以对物料的搅动最小，适用于不稳定物质的输送 （5）流量可调节，可以在物料出口处加装节流阀来调节流量。 （6）具有自吸的功能。 （7）可以空运行，而不会有危险。 （8）可以潜水工作。 （9）可以输送的流体极为广泛，从低粘度的到高粘度的，从腐蚀性得到粘稠的。 （10）没有复杂的控制系统，没有电缆、保险丝等。 （11）体积小、重量轻，便于移动。 （12）无需润滑所以维修简便，不会由于滴漏污染工作环境。 （13）泵始终能保持高效，不会因为磨损而降低。 （14）百分之百的能量利用，当关闭出口，泵自动停机，设备移动、磨损、过载、发热 （15）没有动密封，维修简便避免了泄漏。工作时无死点。

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译文：
Pneumatic diaphragm pumps is a new conveyor, is the most novel of a pump. Using compressed air as power source, for all kinds of corrosive liquid, with particles of liquid, high viscosity, volatile, flammable, poisonous liquid can be pumped exhaust. Pneumatic diaphragm pumps of its four materials: plastic, aluminum, cast iron, stainless steel. Diaphragm pumps were used for different liquids NBR, chloroprene rubber, fluorine rubber, PTFE, poly ethylene 46. To meet the needs of different users. Placed in a variety of special occasions, for pumping kind of conventional pumps can not pump the medium, both with satisfactory results. 1, pneumatic diaphragm pumps for occasions As the pneumatic diaphragm pumps have the above characteristics, the diaphragm in the world since the birth of the other pump has gradually penetrated the market, and share part of it. Such as: painting, ceramics in the diaphragm has an absolute dominant position, while in some other industries, such as environmental protection, wastewater treatment, construction, sewage, Fine Chemicals is expanding its market share and can not be replaced with other pump position. The advantages of pneumatic diaphragm pumps: 1, as with air powered, so flow with back pressure (outlet resistance) automatically adjust to changes, suitable for high viscosity fluids. The centrifugal pump operating point is set as the base water right, if slightly higher for the viscosity of the fluid, you need to complete reducer or frequency converter, the cost will be greatly improved, and the gear pump is the same. 2, in an explosive atmosphere using pneumatic pumps reliable and low cost, such as fuel, gunpowder, explosives, transportation, because: first, grounded not produce sparks; second, the work of no heat generation, the machine does not overheat; Third, the fluid does not overheat because the diaphragm of the fluid stirring the minimum. 3, at the site where the poor, such as construction sites, industrial and mining waste water discharge, due to the impurities and water are complicated, easy to plug the pipe, so that excessive load on the pump to the formation of the situation, the electrical heating vulnerable. Pneumatic diaphragm pump with adjustable flow rate through the particle and the pipeline stopped to clear blocked automatically. 4, another diaphragm small volume and easy move, without foundation, representing a very small ground, the economy and ease of installation. Materials can be used as portable pumps. 5, in a hazardous, corrosive material handling, the diaphragm material can be completely separated from the outside world. 6, or a number of tests to ensure that no impurity contamination of raw materials. 7, can be used to transport relatively unstable chemical nature of the fluid, such as: light-sensitive material, such as flocculation liquid. This is because the diaphragm of the shear stress is low, little effect on the physical materials. 2, pneumatic diaphragm pump works 1, compressed air as a driving force. 2 is a reciprocating diaphragm distortion caused by the volume change of the volume of the pump, it works similar to piston pumps, because the characteristics of diaphragm pump works, so diaphragm pumps have the following characteristics: (1) The pump does not overheat: compressed air powered, the exhaust when the process is an endothermic expansion, air pump working temperature is lower, no harmful gas emissions. (2) does not produce spark: pneumatic diaphragm pumps do not have electricity for power, ground and later to prevent the electrostatic spark (3) can be produced by particles of liquid: volume type of work because of imports for the ball and can not be easily blocked. (4) low shear stress on the material: how the work of breathing in how spit, so the smallest stir of materials suitable for the delivery of unstable substances (5) flow can be adjusted, can be installed in the materials exit the throttle to adjust the flow. (6) has a self-priming function. (7) can be blank run without danger. (8) can dive. (9) can transport the fluid extremely broad, from low viscosity to high viscosity, obtained from the corrosive viscous. (10) No complex control systems, no cables, fuses and so on. (11) small volume, light weight, easy to move. (12) without lubrication so maintenance is simple and will not drip pollution because the work environment. (13) pump is always able to maintain efficient, will not reduce wear. (14) {bfb} of energy use, when close the exit, the pump automatically shut down, equipment moved, wear and tear, overload, fever (Of 15) did not move sealed, easy maintenance to avoid leaks. Work, no dead spots