In the safety design of liquefied hydrocarbon spherical tanks, the valve configuration of the water injection system and the prevention of medium backflow have long been contentious issues within the industry. In the absence of detailed standard specifications, how should we proceed? This article explores these questions based on actual engineering practices involving liquefied hydrocarbon […]
Introduction Grain production is a multifaceted process that demands precision at every stage. From raw material intake and processing to storage and distribution, accurate instruments and measurement equipment are crucial for ensuring the quality, safety, and efficiency of grain production. In grain factories, selecting the right instruments not only improves operational efficiency but also guarantees
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1. What Is a Fiber Optic Temperature Sensor? A fiber optic temperature sensor is a temperature measurement device that uses optical fibers as the sensing medium. Unlike traditional electrical temperature sensors (e.g., thermocouples, RTDs), fiber optic sensors offer significant advantages such as immunity to electromagnetic interference (EMI), high-temperature resistance, compact size, and distributed measurement capability.
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Explosion protection is a critical consideration in hazardous industrial environments, especially in sectors such as petrochemicals, mining, and gas processing. Among the various protection methods, flameproof (Ex d) and intrinsically safe (Ex i) designs are the most widely used approaches in industrial instrumentation. Though both serve the same purpose — preventing explosions — they are
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In industrial operations, it is not uncommon to encounter a differential pressure (DP) flowmeter that shows no indication, even when other systems are functioning normally. This article uses two real-world case studies to analyze the issue and provides a comprehensive troubleshooting guide for maintenance personnel and instrumentation engineers. 1. Case Study Analysis 1.1 No Indication
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Ultrasonic level sensors are widely used in the food and beverage industry for applications such as tank level monitoring, filling line control, and ingredient inventory management. However, selecting the right sensor for hygienic environments requires careful consideration of performance, compatibility, and regulatory standards. This guide outlines the key selection criteria, environmental compatibility, and application-specific recommendations
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1. Introduction In Safety Instrumented Systems (SIS), Safety Integrity Level (SIL) quantifies the required risk reduction.However, even within the same SIL rating, different configurations of pressure transmitters can significantly impact practical safety performance, reliability, and maintenance complexity. This article explores: Why different configurations matter under the same SIL Common pressure transmitter setups Their relative safety
Laying conduit and cabling in instrumentation and control systems requires careful planning and execution to ensure both efficiency and long-term reliability. These systems are often intricate and sensitive to electrical interference, making proper cable management essential. In this article, we will explore key steps and best practices for efficiently laying conduits and cables in industrial
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In pressure and level transmitter selection, diaphragm material plays a critical role, especially under extreme working conditions such as strong corrosion, high temperature, and cryogenic environments. Proper material selection ensures the reliability, accuracy, and longevity of the transmitter. 1. Diaphragm Material Selection for Strong Acid and Strong Alkali Environments 1.1 Strong Acid Environments (e.g., Sulfuric
This article provides a detailed introduction to 12 common types of industrial towers. Each type is systematically explained with an emphasis on their principles, characteristics, and applications, making it a valuable resource for readers with interests ranging from basic knowledge to practical applications in engineering and industry. 1. Packed Absorption Tower Description: A packed tower
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