行业新闻

原文：
The first law of physics, conservation of energy, has driven mankind’s pursuit of progress since the dawn of time. Efforts to harness the power of wind, water and fire brought about huge advances in technology. In time, fire and water were combined to bring on a steam-powered industrial revolution. Today, nuclear energy is converted to electricity to power our world. The second law of physics, increasing disorder, is the reason that the equipment that harnesses, distributes and uses energy requires maintenance to continue operating properly. Machines deteriorate because of friction, vibration, corrosion, etc. Periodic maintenance must be performed to counteract the inevitable deterioration. “The pressure relief valve (PRV) also is the one piece of equipment we hope never needs to operate.” - Alton Cox The energy required to operate and maintain manufacturing equipment typically is supplied by boilers or electric motors that power turbines, compressors, pumps and hydraulic systems. Pressurized fluids are capable of performing consistently over an extended period. However, fluids under pressure also pose a threat to property and personnel should an uncontrolled release occur. The catastrophic failure of a pressurized system can be fatal. That’s why pressurized systems are protected from catastrophe by safety measures including preventive maintenance. The most important piece of equipment in a pressurized system, the pressure relief valve (PRV), is the one piece of hardware that must always be ready to operate properly when needed. However, the PRV also is the one piece of equipment we hope never needs to operate. Because the PRV is the last line of defense against a catastrophic failure of a pressurized system, it must be maintained in “like new” condition if it is to provide the confidence necessary to operate a pressurized system.
原文来自： http://www.shreveporttimes.com/article/20091205/NEWS01/91205007/1060

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译文：
物理学的第一定律，能量守恒，推动了自开天辟地以来，人类对进步的追求。努力利用风，水，火电力有关技术的巨大进步。随着时间的推移，火和水结合，使一个蒸汽动力的工业革命。今天，核能被转换成的电力我们的世界。物理学的第二定律，增加障碍，是因为该设备，运用，分配和使用的能源需要维护，继续正常运作。机恶化，因为摩擦，振动，腐蚀等，定期维修必须进行抵制不可避免的恶化。 “泄压阀（PRV）也就是我们希望的设备没有一件需要开刀。” - 奥尔顿考克斯所需的能量操作和维护生产设备通常是由锅炉或电动机提供的动力涡轮，压缩机，泵和液压系统。加压流体有能力执行长一段时期内持续。然而，流体压力下也对财产和人员的威胁应该会出现一个不受控制的释放。一个增压系统灾难性的失败可能是致命的。这就是为什么加压系统的灾难受到安全的措施，包括预防性维修。设备的最重要的一个加压系统的一部分，泄压阀（PRV），是同一硬件的，必须随时准备在必要时正常运行。然而，也就是伪狂犬病毒的设备，我们希望从来没有一件需要经营。由于狂犬病毒，是防御的一个增压系统灾难性的失败最后一行，它必须保持在这样新的“条件”，如果它要提供必要的信任，经营增压系统。

09/12/21