无水机械密封在磷化工生产中的应用 - 201901 - 肥料与健康
无水机械密封在磷化工生产中的应用
Application of Waterless Mechanical Seal in Phosphorus Chemical Production
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摘要:

磷化工生产过程中涉及磷酸、硫酸、氟等强腐蚀性介质,耐磨蚀离心泵的轴密封是整个泄漏控制工作的重点及难点。介绍了离心泵机械密封的原理,针对普通机械密封在实际生产应用中存在的问题,对HTM集装式机械密封进行了局部改造。改造后得到的WHS系列无水集装式机械密封投入运行后,改善了现场操作环境,降低了水资源消耗,延长了设备使用寿命,从而降低了生产成本。

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Abstract:

The phosphorous chemical production process involves strong corrosive media such as phosphoric acid, sulfuric acid and fluorine, etc. The shaft seal of the wear-resistant centrifugal pump is the key and difficult point of the whole leakage control work. The principle of mechanical seal of centrifugal pump is introduced. In connection with the problems existing in the actual production and application of ordinary mechanical seal, the HTM assembled mechanical seal has been partially modified. After putting the modified WHS series waterless assembled mechanical seal into operation, the on-site operating environment is improved, the water consumption is reduced, the service life of the equipment is prolonged, and the production cost is reduced.

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