Jan-30-2026
Materials and Cleanliness: Tube sheets in biopharmaceutical equipment must be made of 316L stainless steel to ensure corrosion resistance and prevent particle release. The surface must be highly polished to prevent material adhesion, facilitate cleaning a
Jan-30-2026
Material Pre-treatment: Before machining the tube sheet, high-purity steel should be selected and annealed to reduce hardness and improve plasticity. Surface cleaning involves shot blasting and pickling processes to thoroughly remove scale and rust, ensur
Jan-30-2026
Accuracy and Assembly Fundamentals: Tube sheet machining accuracy directly affects assembly quality. For example, errors in tube hole spacing and perpendicularity can lead to loose connections between tubes and the shell, increasing the risk of leakage. H
Jan-30-2026
High-Temperature Environment Applications: Tube sheets are used in the aerospace field to withstand extreme temperatures, such as in aircraft engine heat exchange systems. Their high-temperature resistance ensures structural stability under high-temperatu
Jan-30-2026
Heat Treatment Method: After tube sheet welding, overall or local heat treatment is applied, heating to 550-650℃ and maintaining the temperature, followed by slow cooling to eliminate 60%-80% of residual stress. This method effectively reduces the risk of
Jan-23-2026
Tube sheets in cryogenic equipment must meet low-temperature toughness requirements for materials. Nickel-based alloy steels or austenitic stainless steels are preferred to ensure good impact resistance at extremely low temperatures and prevent the risk o
Jan-23-2026
Optimizing the tube-to-tubesheet expansion process requires attention to material matching and processing precision. Ensure the tubesheet hardness is higher than that of the tubes, and control the tube hole clearance within the range of 0.3 ± 0
Jan-23-2026
Preventing tube sheet vibration fatigue requires addressing the issue from the design stage. Optimizing the tube sheet structure, such as increasing the number of support plates or using a welding and expansion combined process, can improve overall rigidi
Jan-23-2026
Tube sheet surface coating technology is moving towards intelligence and precision. By 2026, real-time monitoring of surface conditions through machine vision and laser scanning, combined with adaptive spraying processes, will achieve uniform coating thic
Jan-23-2026
Tube sheets are a critical component in waste heat recovery systems. As the supporting structure of heat exchangers, they connect and secure the heat exchange tubes, ensuring efficient flow of hot and cold fluids inside and outside the tubes.In applicatio
Jan-15-2026
Tube sheet inspection standards and industry specifications are primarily based on relevant international and domestic standards, ensuring their safety and reliability in chemical, energy, and other fields. The following are key points:I. Inspection Stand
Jan-15-2026
Tube sheet thermal deformation compensation technology is crucial for ensuring the safe operation of shell-and-tube heat exchangers. It primarily addresses thermal stress through structural design and process optimization. The following are three mainstre
Jan-15-2026
Necessity of Improving Tube Sheet Sealing Structure Design
In chemical reactors, tube sheet seal failure can easily lead to leaks, affecting equipment safety. Traditional designs often suffer from uneven sealing surfaces due to thermal expansion or manuf
Jan-15-2026
The Core Role of Tube Sheets in Chemical Reactors
Tube sheets are a critical component of tubular reactors, used to fix the reaction tube bundle and connect it to the shell, ensuring efficient flow and reaction of reactants within the tubes. Their design
Jan-15-2026
Electroplating Process: Involves electrodepositing a metal layer, such as zinc or nickel, to improve corrosion resistance. Its advantages include lower cost and ease of operation, but the plating layer may be thin and prone to wear during long-term use, m
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