Import pressure issue
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I am working on the design of a shell-and-tube heat exchanger. The problem states that the inlet pressure of the fluid in the shell side is 4.6 MPa; this fluid is a water-ethylene glycol mixture with a high concentration. The fluid on the tube side is a cooling medium with a pressure of 1.6 MPa, and it is seawater. I think these pressures are quite high. What issues should I be aware of? Is the inlet pressure the same as the operating pressure? Is the pressure drop determined based on the inlet pressure? Thank you for the reply. This post was last edited by Na Yi Yu on 2009-4-1 at 11:56.]
The pressure is quite high; is the cooling medium circulating water? When our company manufactures internal fin heat exchangers, the weight involved is usually just a few kilograms. What is the medium on the other side? Please tell us so that we can help analyze whether it’s reasonable
4.6 MPa is medium pressure, so it can’t be considered high. It is also appropriate for the hot fluid in the cooler to flow through the shell side, as natural cooling can be achieved through the shell as well.
The pressure is a bit high, but that’s normal; the key is to ensure sufficient strength during design. It’s possible to use high-pressure fluids in the tube side, which helps save material and money.
It can be designed this way: high-pressure fluids are generally in the shell side. To provide more detailed suggestions, specific details require you to supply the design input parameters.
The high-pressure fluid flows through the shell side; it is water-ethylene glycol, while the cooling medium is seawater. I’m not sure what issues need to be considered if the pressure is too high An aluminum-copper alloy will suffice for the heat exchange tube bundle, and seamless carbon steel should also work fine for the shell side. What considerations are necessary when dealing with high pressures?
Also, do the import pressure and operating pressure mentioned above refer to the same thing?
The heat exchange tubes are made of aluminum-copper alloy, and since they are joined to the tube sheet by expansion bonding, it’s not very easy to do that! The shell side pressure is 4.6 MPa! ! !
The pressure difference on both sides is high, but this is also normal; the key is to choose the right material and strength
There should be no problem with that copper alloy, right? Is the inlet pressure the operating pressure or the design pressure? Can the pressure drop be determined from the inlet pressure? Thank you for the guidance; I’m waiting for a reply online