Our tubular heat exchangers are built with high mechanical strength to accommodate large temperature and pressure differences. The smooth internal surfaces promote efficient heat transfer and easy cleaning, reducing downtime and maintenance costs. They are ideal for chemical, food, and power generation industries where reliability and cleanliness are essential.
This is one of the largest and most traditional applications for tubular heat exchangers, used in low-pressure feedwater heaters and lubricating oil coolers in thermal power plants.
Used for heating or cooling various chemical raw materials, intermediate products, and final products, as well as recovering heat from high-temperature process waste gases or liquids, significantly reducing energy consumption.
As a key piece of equipment in heating stations, it transfers heat from high-temperature hot water in combined heat and power plants or regional boiler rooms to the heating circulating water supplying buildings.
Stainless steel tubular heat exchangers are commonly used. They are used to quickly heat and cool liquid foods such as milk, juice, and beer, killing pathogens and extending shelf life.
Used for cooling the hydraulic and lubrication systems of equipment such as rolling mills, blast furnaces, and electric furnaces, as well as cooling quenching fluids and hydraulic oils, thereby ensuring the stability of machining processes and the life of equipment.
A shell and tube heat exchanger consists of a series of tubes enclosed within a cylindrical shell. One fluid flows through the tubes while another fluid flows outside the tubes but within the shell. Heat is transferred through the tube walls from the hot fluid to the cold one, ensuring efficient thermal exchange without direct contact between the two fluids.
Baffles are often installed inside the shell to direct the shell-side fluid across the tubes multiple times, enhancing turbulence and heat transfer efficiency. This design makes shell and tube exchangers ideal for high-pressure and high-temperature industrial applications such as chemical processing and power generation.
Unlike compact plate exchangers, tubular heat exchangers are engineered for heavy-duty operation, capable of handling high viscosity fluids, fouling media, and even particle-laden streams. Their mechanical strength and corrosion-resistant materials make them ideal for demanding industries such as chemical processing, power generation, marine systems, and oil refining. The result — stable long-term performance, minimal maintenance, and exceptional reliability across a wide range of industrial applications.
Tubes are commonly made from copper, stainless steel, titanium, or carbon steel, depending on corrosion resistance and thermal conductivity needs. The shell is usually fabricated from carbon steel, stainless steel, or alloy materials to withstand operating pressure and fluid compatibility.
Sizing depends on heat transfer rate (Q), temperature difference (ΔT), flow rates, and fluid properties. Our engineering team uses software like HTRI or Aspen to perform thermal design calculations based on your process data (inlet/outlet temperatures, flow rates, and allowable pressure drop).
Fixed tube sheet designs have tubes welded to tube sheets at both ends, offering mechanical simplicity but requiring thermal expansion compensation. U-tube designs allow tubes to float freely at one end, accommodating larger temperature differentials without expansion joints.
Yes. Our exchangers are designed and certified per ASME Section VIII Div. 1, with pressure ratings up to 300 bar (4350 psi) depending on diameter, material, and temperature. Custom designs with thicker shells and reinforced tube sheets are available for extreme conditions.
Regular cleaning (mechanical or chemical) prevents fouling and scaling. Inspect gaskets and tube sheets during shutdowns. Monitor pressure drop and thermal performance trends. We recommend annual inspections and tube plugging/replacement for damaged tubes to maintain efficiency.
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