Author Archives: supply_chain

Precautions for using stainless steel finned tubes

The following are the key precautions for using stainless steel finned tubes, including comprehensive selection, installation, operation, and maintenance requirements throughout the entire process:1. Material and environmental compatibilityChloride ion environment (such as coastal and chemical industries): 316/316L stainless steel containing molybdenum (with a molybdenum content of 2% -3%) should be selected, which has a pitting …

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Cleaning techniques for copper finned tubes

1、 Basic cleaning process for copper finned tubes1. Power outage and coolingClose the heat medium valve and disconnect the power supply, and wait for the tube temperature to drop to room temperature (usually taking ≥ 2 hours) to prevent burns or the evaporation of cleaning agents.2. Pre dust removal treatmentUse a soft bristle suction head …

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Key maintenance points for embedded finned tubes

The maintenance of embedded finned tubes should focus on their structural characteristics (fins embedded in the grooves of the base tube), and develop specifications based on anti detachment, anti-corrosion, and sealing requirements. The core points are as follows:1、 Fin cleaning and anti blocking1. Dust cleaningUse compressed air (pressure ≤ 0.4MPa) to blow in the direction …

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Processing specifications for spiral wound finned tubes

The processing specifications for wrapped finned tubes cover key aspects such as material handling, winding process, welding control, and quality inspection. The specific technical standards are as follows:1. Material selection for pipes and finsPipe material: 20 # carbon steel seamless pipe is used for high temperature and high pressure environments, and 304/316L stainless steel pipe …

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Key points for installing welded finned tubes

The installation of welded finned tubes must strictly follow the process specifications to ensure heat exchange efficiency and equipment safety. The core points are as follows:1、 Pre installation inspection1. Quality acceptanceCheck the appearance of the finned tube for deformation, ensure that the fins are not loose or detached, and ensure that there are no pores …

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On which side should the fins of a finned tube heat exchanger be installed

In the design of finned tube heat exchangers, the installation position of the fins directly affects the heat transfer efficiency, and the fins should be installed on the side with a smaller convective heat transfer coefficient (α). The thermal resistance on this side is relatively high, and increasing the surface area of the fins can …

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Working principle and function of economizer

The economizer is an energy-saving device that preheats boiler feedwater by recovering waste heat from the tail flue gas of the boiler. Its working principle and function are as follows:1、 Working principle1. Heat exchange processHigh temperature flue gas (usually 250-350 ℃) flows outside the serpentine tube bundle of the economizer, and boiler feedwater flows in …

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Application of serrated finned tubes

1、 Industrial thermal management system1. Petrochemical and Energy SectorPetroleum refining: used as a heat exchanger in atmospheric and vacuum distillation, catalytic cracking and other units to process high-temperature oil and gas (300-600 ℃), with a corrosion-resistant design that can resist sulfide corrosion.Power plant waste heat recovery: The waste heat of flue gas is recovered in …

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The Art and Craft of Stone Carving: A Timeless Tradition

Stone carving is an ancient art form that has captivated humanity for millennia. From the intricate petroglyphs of prehistoric societies to the grand sculptures of the Renaissance, stone carving is a testament to human creativity and ingenuity. This article delves into the fascinating world of stone carving, exploring its history, techniques, and modern applications. Whether …

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Understanding the Supply Chain: A Comprehensive Guide

In today’s interconnected world, the term “supply chain” is more than just a business buzzword; it is the backbone of global commerce. From the food we eat to the electronics we use, supply chains play a critical role in delivering products to consumers efficiently and effectively. What is a Supply Chain? A supply chain is …

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