manually operated valve

简明释义

人工操作阀

英英释义

例句

1.The plumber installed a new manually operated valve to control the water flow in the basement.

水管工安装了一个新的手动操作阀门来控制地下室的水流。

2.In case of an emergency, you can quickly shut off the gas supply using the manually operated valve.

在紧急情况下，您可以使用手动操作阀门快速关闭气体供应。

3.During maintenance, technicians often need to adjust the manually operated valve to ensure proper function.

在维护期间，技术人员通常需要调整手动操作阀门以确保正常运作。

4.The manually operated valve is essential for regulating the pressure in the hydraulic system.

该手动操作阀门对于调节液压系统中的压力至关重要。

5.The factory uses a manually operated valve to control the flow of chemicals in the processing line.

工厂使用一个手动操作阀门来控制加工线中化学品的流动。

作文

In various industrial applications, controlling the flow of fluids is essential for maintaining efficiency and safety. One of the most common devices used for this purpose is the manually operated valve. A manually operated valve is a type of valve that is controlled by human intervention rather than automated systems. This means that an operator must physically turn a handle or push a lever to open or close the valve, allowing or blocking the flow of fluid within a pipeline. While automated valves are becoming increasingly popular due to their convenience and precision, manually operated valves still play a crucial role in many settings where manual control is preferred or necessary.There are several advantages to using a manually operated valve. First, they are often simpler in design and easier to maintain compared to automated valves. Since they do not rely on electrical components or complex mechanisms, there is less that can go wrong. This simplicity also means that they are typically more cost-effective, making them an attractive option for smaller operations or in situations where budget constraints are a concern.Another advantage is the level of control that a manually operated valve provides. Operators can make adjustments based on real-time observations and conditions, which can be particularly important in processes that require immediate responses to changes. For example, in a chemical processing plant, an operator may need to quickly adjust the flow of a corrosive substance based on visual indicators or sensor readings. The ability to manually control the flow allows for greater flexibility and responsiveness than what might be achievable with automated systems.However, there are also some drawbacks to consider when using manually operated valves. The most significant is the potential for human error. If an operator fails to properly close or open a valve, it can lead to leaks, spills, or even catastrophic failures in a system. This risk is particularly pronounced in high-pressure or hazardous environments where the consequences of mistakes can be severe.Moreover, manually operated valves require constant monitoring and physical presence of personnel, which can be a limitation in remote or hard-to-access locations. In such cases, automated solutions might be more suitable to ensure that the system operates continuously without requiring human oversight.In conclusion, manually operated valves are an important component in many industrial systems. They offer simplicity, cost-effectiveness, and direct control, making them ideal for certain applications. However, the potential for human error and the need for constant supervision are significant considerations that must be taken into account. As technology continues to evolve, the balance between manual and automated systems will likely shift, but the manually operated valve will remain a vital tool in the engineer's toolkit for the foreseeable future.

在各种工业应用中，控制流体的流动对于维持效率和安全至关重要。用于此目的的最常见设备之一是手动操作阀门。手动操作阀门是一种通过人工干预而非自动系统控制的阀门。这意味着操作员必须物理地转动手柄或推动杠杆来打开或关闭阀门，从而允许或阻止流体在管道内的流动。尽管自动阀门由于其便利性和精确性而变得越来越受欢迎，但在许多情况下，仍然需要或首选使用手动操作阀门。使用手动操作阀门有几个优点。首先，与自动阀门相比，它们通常设计更简单，维护更容易。由于它们不依赖于电气组件或复杂机制，因此出错的可能性较小。这种简单性也意味着它们通常更具成本效益，使其成为小型操作或预算有限的情况下的一个吸引人的选择。另一个优点是手动操作阀门提供的控制水平。操作员可以根据实时观察和条件进行调整，这在需要对变化做出即时响应的过程中尤为重要。例如，在化工加工厂，操作员可能需要根据视觉指示器或传感器读数快速调整腐蚀性物质的流量。手动控制流量的能力允许比自动系统更大的灵活性和响应能力。然而，使用手动操作阀门时也有一些缺点需要考虑。最显著的是人为错误的潜在风险。如果操作员未能正确关闭或打开阀门，则可能导致泄漏、溢出甚至系统的灾难性故障。这种风险在高压或危险环境中尤为突出，因为错误的后果可能是严重的。此外，手动操作阀门需要持续监控和人员的物理存在，这在偏远或难以接近的位置可能是一个限制。在这种情况下，自动解决方案可能更适合，以确保系统在不需要人工监督的情况下持续运行。总之，手动操作阀门是许多工业系统中的重要组成部分。它们提供了简单、成本效益和直接控制，使其非常适合某些应用。然而，人为错误的潜在风险和持续监督的需求是必须考虑的重要因素。随着技术的不断发展，手动和自动系统之间的平衡可能会发生变化，但手动操作阀门将在可预见的未来继续作为工程师工具包中的重要工具。