What is a JAD heat exchanger

Advanced technology: Traditional shell-and-tube heat exchangers are large in size, have a simple structure, and exhibit a low heat transfer coefficient. The JAD heat exchanger achieves the same heat exchange efficiency despite having only about one-tenth of the volume – what is the reason for this? Since the JAD heat exchanger features heat exchange tubes designed with a reverse-wound spiral thread structure, this special design significantly alters the flow pattern of the fluid, creating intense turbulence that increases the heat transfer coefficient while reducing the heat transfer area. Design mechanism: At present, most heat exchange scenarios in the domestic market involve asymmetric flow heat exchange, meaning that the flow rates of the two fluids passing through the heat exchanger are different; this requires two separate heat exchange areas. The design principle of plate heat exchangers is symmetric heat transfer, which does not allow for providing different heat exchange areas for the fluids. The JAD heat exchanger was designed with asymmetric flow heat transfer in mind, deliberately featuring different heat exchange areas on each side to meet the requirements of complex operating conditions. The shell volume can reach up to 4.2 times the tube volume. Heat transfer principles: In the design and application of JAD heat exchangers, increasing the flow rate can raise the heat transfer film coefficient, thereby increasing the overall heat transfer coefficient, resulting in a more compact structure for the heat exchanger and stronger turbulence. JAD’s unique design achieves the best heat exchange efficiency with the minimum amount of material, while also taking into account the optimal balance between pressure drop and heat transfer coefficient, so as to achieve the best heat exchange results with the lowest possible pressure drop. This allows you to spend less while reaping greater benefits.

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The JAD series of heat exchangers are high-efficiency heat exchangers; they are shell-and-tube heat exchangers designed and manufactured in accordance with the American ASME standards. The heat exchangers in this series exhibit outstanding performance under steam-water conditions, with a heat transfer coefficient as high as 14,000 W/㎡·°C. Due to its unparalleled advantages in the field of soda heat exchange, it is affectionately referred to by users as the “Prince of Steam”. The main features are as follows: 1. Stainless steel material: The heat exchanger is made of stainless steel, offering strong corrosion resistance. 2. Manufacturing process: The components are connected by full welding ； The working surface utilizes advanced surface treatment processes and rigorous inspection procedures. 3. Unique structure: The multi-layer coiled structure of the spiral threaded tube creates intense turbulence in the fluid. A unique 100° corner connection eliminates dead corners, reducing the tendency to form scale. 4. High temperature and pressure: It can withstand a maximum temperature of 400°C and a pressure of 1.6 MPa; in conventional steam systems, there is no need to install additional temperature and pressure reduction devices, thus saving on system costs. 5. High efficiency: Heat exchange is carried out in a counter-current manner, with a comprehensive heat transfer coefficient of up to 14,000 W/M2·℃. 6. Low noise: The unique structure effectively reduces operating noise, allowing it to drop below 60 decibels. 7. Significant energy savings: the heat transfer fluid flows in the tube side, while the refrigerant flows in the shell side, resulting in low heat loss ； The heat exchange tubes with spiral threads, coiled inside the shell, can generate intense fluid turbulence; their length is 3 to 4 times the height of the shell, resulting in a long steam residence time and a low temperature of the condensed water. It saves 10% to 15% more energy compared to traditional shell-and-tube heat exchangers. 8. Easy to install: It has a small size and light weight, requiring little space; it is easy to install, does not need a pre-made foundation, and thus saves on construction and installation costs. 9. Simple maintenance: Easy to clean and low in maintenance costs, with no need for expensive sealing strips. 10. Good durability: Fully stainless steel welded structure with a design life of up to 40 years.