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Steam Control in Reboilers: Flow Control or Pressure Control?

PLC /

In a recent industrial installation, the reboilers of a distillation column were configured to use steam pressure control. However, concerns were raised regarding the stability of incoming steam pressure, leading to the suggestion of switching to flow control. This proposal included the addition of a steam flowmeter and updating the control scheme. Since this involves […]

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Do Combustible Gas Detectors Require Periodic Verification?

Instrumentation /

Combustible gas detectors play a critical role in ensuring safety by detecting hazardous gas leaks in both industrial and domestic settings. A common question arises: Do these devices need periodic verification or calibration? The short answer is yes, in most cases, regular verification is essential to maintain their accuracy, reliability, and compliance with safety regulations.

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What is the difference between saturated steam and superheated steam? How to choose the right type of steam/steam metering

Flow meter /

Steam plays an important role in industrial production and life. Its high efficiency, environmental protection and stability make it one of the indispensable energy sources in modern society. Usually, according to the physical state, we divide common steam into two categories: saturated steam and superheated steam. Saturated Steam Saturated Steam refers to the state in

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Understanding the Differences Between SCADA and HMI

PLC /

In the realm of industrial automation and control systems, two key components often come into focus: SCADA (Supervisory Control and Data Acquisition) and HMI (Human-Machine Interface). While these systems are interconnected and sometimes overlap in functionality, they serve distinct purposes within industrial operations. Understanding their differences is essential for implementing efficient and effective control systems.

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Five Reasons Why a Neutral Wire May Carry Voltage

Instrumentation /

When a neutral wire carries voltage, it poses risks such as electric shock, equipment damage, and other hazards that can disrupt daily life and production. Understanding the causes behind this phenomenon is crucial for identifying and addressing the issue effectively. Let’s explore the five main reasons why a neutral wire might carry voltage. 1. Neutral

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The difference between pressure transmitter and temperature transmitter

Temperature transmitter /

Sometimes, users confuse pressure transmitters and temperature transmitters. Although they look similar, there are still big differences in performance and structure. The following editor will introduce the difference between pressure transmitters and temperature transmitters in detail. 1. Definition – Pressure transmitter: a device used to measure the pressure of liquid, gas or steam and convert

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Precautions for Signal Enforcement and Protection

Instrumentation /

Engagement/Disengagement Signal enforcement and protection engagement/disengagement are critical procedures in industrial systems, automation control, and specialized equipment operations. These processes ensure system stability and operational safety. Any mishandling during these operations can lead to catastrophic failures, operational downtime, or safety hazards. This article outlines the critical considerations and best practices for these procedures in greater

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Liquid Natural Gas (LNG) Storage Tank Level Measurement Systems

Tank /

Liquid Natural Gas (LNG) storage tanks are critical infrastructure in the energy industry, designed to safely store LNG at extremely low temperatures. To ensure the safe and efficient operation of these tanks, accurate and reliable liquid level measurement systems are essential. Proper liquid level monitoring prevents overfilling, detects leaks, and ensures operational efficiency. This article

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Key Considerations in Pipeline Design

Pipeline /

Pipeline design is a critical engineering task that ensures the efficient, safe, reliable, and economical transportation of fluids. It integrates principles from mechanical, hydraulic, and structural engineering, making it a multidisciplinary challenge. Industries such as chemical processing, oil and gas, power generation, and water treatment rely heavily on well-designed pipeline systems to maximize production efficiency,

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Analysis on the application of radar current meter in hydropower station

Current meter /

In the operation of hydropower stations, accurate measurement of water flow velocity is crucial. It is not only related to the optimization of power generation efficiency, but also involves dam safety and rational use of water resources.  As a modern velocity measurement device, radar current meter has been widely used in hydropower stations due to

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