Tubulation and/or special-section tubulation heat exchange tube
A technology for heat exchange tubes and tube sections, which is applied in the field of enhanced heat exchange tubes with special-shaped/shaped cross-sections of tube sections and/or tube sections, which can solve the requirements of increased cleaning and maintenance workload, increased flow resistance or power consumption, and fluid cleanliness Very strict and other problems, to achieve the effect of heat transfer enhancement, reduce vibration, and easy to clean
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Embodiment 1
[0051] Figure 9 It is a schematic structural view of the regular shaped tube in embodiment 1. The entire normal-shaped pipe consists of a deformed pipe section 1, an oblate pipe section 2, a transition pipe section 3 and a round pipe section 4; Figure 9 From left to right, the four basic pipe sections follow the "round pipe section - transition pipe section - oblate pipe section - positive deformation pipe section - oblate pipe section - positive deformation pipe section - oblate pipe section - transition pipe section - round pipe section - ..." are periodically arranged in the sequence, and the deformed pipe section and the oblate pipe section are the main body of heat exchange. During implementation, the number of circular pipe sections can be increased or decreased according to the requirements of the compressive strength of the pipe, and the circular pipe sections can be arranged in other appropriate positions according to the needs of installing baffle plates or baffle...
Embodiment 2
[0054] Figure 11 It is a structural schematic diagram of the deviation-shaped tube of Example 2. The whole deformed pipe consists of a deformed pipe section 1 , an oblate pipe section 2 , a transition pipe section 3 and a round pipe section 4 . The four basic pipe sections follow the order of "round pipe section - transition pipe section - oblate pipe section - partial deformation pipe section - oblate pipe section - partial deformation pipe section - oblate pipe section - transition pipe section - round pipe section -..." periodic arrangement. The entire deviation-shaped pipe is made of a base pipe with an inner diameter d after rolling or molding, and can also be formed at one time when rolling a seamless pipe. The values of the length Lo of the round pipe section, the length Lt of the transition pipe section, the length Lr of the deflection pipe section, and the length Le of the oblate pipe section are the same as those of the normal shaped pipe. The ratio of the long...
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