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
Jan-12-2026
Stress analysis of pressure vessel tube sheets is crucial for ensuring the safe operation of the equipment. As a core component connecting the heat exchange tubes to the shell, the tube sheet is subjected to the combined effects of internal pressure, temp
Jan-12-2026
Quality control of tube sheet welding technology begins with pre-welding preparation. Strictly inspect the cleanliness of the tube sheet and tubes, and the accuracy of bevel preparation, ensuring that the assembly gap meets the standards. Select appropria
Jan-12-2026
The selection of tube sheet materials directly impacts the performance of heat exchange equipment. Materials with strong corrosion resistance extend equipment lifespan and reduce maintenance costs, making them suitable for corrosive environments such as t
Jan-12-2026
The tube sheet is a core component of a heat exchanger, and its design directly impacts equipment performance. Structurally, it requires a balance between rigidity, welding, and tube bundle layout. A triangular arrangement can improve heat transfer effici
Jan-12-2026
Tube sheets, as core components of heat exchangers, have manufacturing processes that directly impact equipment performance. Traditional methods rely on manual operation, resulting in low efficiency and insufficient precision. In recent years, CNC machini
Jan-09-2026
International standards for steel plate cutting primarily involve specifications such as ISO 9010-1:2017, covering cutting methods, accuracy, and quality requirements. This standard applies to flame, plasma, and laser cutting, emphasizing cut edge smoothn
Jan-09-2026
304 stainless steel, thanks to its excellent corrosion resistance and processing properties, is widely used in construction, machinery, and food equipment industries, driving continuous growth in cutting demand. The current market faces pressure from capa
Jan-09-2026
SM570 steel plate, a low-alloy high-strength structural steel, requires cutting methods that balance material properties and processing efficiency. Traditional cutting methods, such as flame cutting, are suitable for thick plates but can produce a heat-af
Dec-26-2025
The core of flame cutting S355J2+N steel plates lies in the precise coordination of gas, speed, and cutting nozzle. Oxygen purity must be ≥99.5%; for every 0.5% decrease in purity, the cutting speed needs to be reduced by 10%, otherwise slag buildu
Dec-26-2025
Optimizing cutting parameters is key to improving the accuracy of 321 stainless steel plate cutting. Adjusting the current and speed based on material characteristics is crucial. The empirical formula is V = K × I / δ (where K is the m
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