manually operated valve

简明释义

手动操纵阀

英英释义

例句

1.The factory uses a manually operated valve for controlling steam pressure.

工厂使用手动操作阀门来控制蒸汽压力。

2.During maintenance, we need to close the manually operated valve before proceeding.

在维护过程中，我们需要在继续之前关闭手动操作阀门。

3.To refill the tank, open the manually operated valve slowly.

要重新填充水箱，请慢慢打开手动操作阀门。

4.The technician adjusted the flow by turning the manually operated valve.

技术员通过旋转手动操作阀门来调整流量。

5.In case of an emergency, the manually operated valve can quickly stop the water supply.

在紧急情况下，手动操作阀门可以快速停止供水。

作文

In the world of engineering and fluid dynamics, control over the flow of liquids and gases is paramount. One essential component that plays a crucial role in this control is the manually operated valve. A manually operated valve is a device that regulates the flow of fluids by hand, often requiring physical effort to open or close. Unlike automated valves that rely on electronic signals, a manually operated valve offers a direct and tactile way for operators to manage fluid flow. This can be particularly advantageous in situations where precision and immediate response are necessary.The design of a manually operated valve can vary widely, from simple gate valves to more complex ball valves and globe valves. Each type has its unique mechanism and application, but they all share the characteristic of being operated by hand. For instance, a gate valve allows for full flow when fully opened and is typically used in applications where the valve is either fully open or fully closed. On the other hand, a globe valve provides better throttling capabilities, making it suitable for regulating flow.One of the primary advantages of using a manually operated valve is the level of control it provides. Operators can adjust the flow rate precisely, which is crucial in processes that require specific flow conditions. Additionally, manually operated valves do not require power sources, making them reliable in situations where electricity may not be available or where failure of electronic components could lead to significant operational issues.However, there are also challenges associated with manually operated valves. The need for physical effort can be a limitation, especially in large systems where valves can be heavy and difficult to manipulate. Furthermore, frequent adjustments can lead to operator fatigue, which may impact performance and safety. Therefore, while manually operated valves are invaluable in many applications, they must be used judiciously and in appropriate contexts.In industrial settings, manually operated valves are commonly found in water treatment facilities, chemical processing plants, and oil refineries. They are often used in conjunction with automated systems, providing a backup option in case of power failure or system malfunction. Maintenance of these valves is also crucial; regular inspections ensure that they function correctly and safely.In conclusion, the manually operated valve is a vital component in the management of fluid systems. Its ability to provide direct control over fluid flow makes it indispensable in various industries. While there are some drawbacks, the benefits of having a manually operated valve in place often outweigh the challenges. Understanding how to effectively use and maintain these valves is essential for any engineer or technician working in the field of fluid dynamics. As technology advances, the integration of manually operated valves with automated systems will likely continue to evolve, ensuring that they remain relevant and effective in modern applications.

在工程和流体动力学的世界中，控制液体和气体的流动至关重要。一个在这种控制中发挥关键作用的重要组件是手动操作阀门。手动操作阀门是一种通过手动调节流体流动的装置，通常需要物理力量来开启或关闭。与依赖电子信号的自动阀门不同，手动操作阀门为操作员提供了一种直接且可触摸的方式来管理流体流动。这在需要精确和立即反应的情况下尤其有利。手动操作阀门的设计可以有很大的不同，从简单的闸阀到更复杂的球阀和截止阀。每种类型都有其独特的机制和应用，但它们都共享手动操作的特性。例如，闸阀在完全打开时允许全流量，通常用于阀门要么完全打开要么完全关闭的应用中。另一方面，截止阀提供了更好的节流能力，使其适合于调节流量。使用手动操作阀门的主要优点之一是它提供的控制水平。操作员可以精确调整流量，这在需要特定流动条件的过程中至关重要。此外，手动操作阀门不需要电源，使其在电力可能不可用或电子组件故障可能导致重大操作问题的情况下可靠。然而，手动操作阀门也存在一些挑战。对物理力量的需求可能是一个限制，特别是在大型系统中，阀门可能很重且难以操作。此外，频繁的调整可能导致操作员疲劳，从而影响性能和安全。因此，尽管手动操作阀门在许多应用中是不可或缺的，但必须谨慎使用并在适当的环境中使用。在工业环境中，手动操作阀门通常出现在水处理设施、化工厂和石油精炼厂中。它们通常与自动系统一起使用，在电力故障或系统故障的情况下提供备份选项。这些阀门的维护也至关重要；定期检查确保它们正常、安全地运行。总之，手动操作阀门是管理流体系统的重要组成部分。它能够直接控制流体流动，使其在各个行业中不可或缺。尽管存在一些缺点，但拥有手动操作阀门的好处往往超过了挑战。了解如何有效使用和维护这些阀门对于任何在流体动力学领域工作的工程师或技术人员都是必不可少的。随着技术的进步，手动操作阀门与自动系统的结合可能会继续发展，确保它们在现代应用中保持相关性和有效性。