Spiral Baffle Heat Exchangers In The Petrochemical Industry

April 14, 2023

Spiral baffle heat exchanger is a modern high-efficiency heat exchange facility, which has been widely used in many countries and regions in the world. Since the 1950s, my country's petrochemical industry began to promote the application of spiral baffle heat exchangers. At the same time, in the mid-1960s, mass production of coiled bed coils was realized. At the same time, the development of spiral baffle heat exchanger technology in my country is also very fast. Compared with traditional heat exchangers, spiral plate heat exchangers have many advantages. It can heat and cool alcohols, resins, urea, small molecular monomer polymerized olefins, gasoline and diesel oil, ammonia water, chlorine water, salt water, strong alkali and strong acid, nitrogen, hydrogen and ammonia mixture, etc.

Spiral baffle heat exchanger is a modern high-efficiency heat exchange facility, which has been widely used in many countries and regions in the world. Since the 1950s, my country's petrochemical industry began to promote the application of spiral baffle heat exchangers. At the same time, in the mid-1960s, mass production of coiled bed coils was realized. At the same time, the development of spiral baffle heat exchanger technology in my country is also very fast. Compared with traditional heat exchangers, spiral plate heat exchangers have many advantages. It can heat and cool alcohols, resins, urea, small molecular monomer polymerized olefins, gasoline and diesel oil, ammonia water, chlorine water, salt water, strong alkali and strong acid, nitrogen, hydrogen and ammonia mixture, etc.

The difference between the spiral baffle heat exchanger and the ordinary shell-and-tube heat exchanger is that the baffles on the shell side are arranged in a spiral shape, so that the shell side medium is spirally and continuously rotated from the inlet to the outlet, which is different from the traditional The horizontal baffle mode becomes the longitudinal spiral baffle mode. The baffle channel is spiral, and there will be no flow "dead zone". Since the medium in the shell side of the heat exchanger is in a spiral plunger flow mode, a velocity gradient is generated radially in the cross section of the shell side, and each heat exchanger The tubes are placed in the vortex of the heat exchange medium, which improves the radial turbulence of the fluid, which is conducive to washing away the particles and sediments in the shell side and preventing the deposition of scale.

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