Shell-and-tube heat exchangers design

A check should be made to be sure that the licensor has not included any temperature cross situations in shell and tube heat exchanger design. In Figure 1, the colder fluid being heated emerges hotter than the outlet temperature of the other fluid. This is an impossible real world situation, or close enough to impossible to be undesirable for the plant design. 

The assumptions hold so well that the F factor charts are standardized by TEMA for shell and tube heat exchanger design. 

There are four fundamental types of boiler available today—electric boilers, fire tube (shell or FT) boilers, water tube (WT) boilers, and nuclear reactor boilers. Electric boilers apart, all other types are essentially developments from shell and tube heat-exchanger designs. 

Optimal Shell-and-Tube Heat Exchanger Design. 422... 

EXAMPLE 11.2 OPTIMAL SHELL-AND-TUBE HEAT EXCHANGER DESIGN... 

Table 2.11 Cost Correction Factors for Shell-and-Tube Heat Exchangers —Design, Materials, and Pressure (Source Reference 13.)... 

Figure 4.1 Shell-and-tube heat-exchanger designs. From Ref. 14 with permission.

Table 4.2 Comparison of Shell-and-Tube, Heat-Exchanger Designs (Source Ref. 16 with permission..)...

If very large heat exchange areas are required, the double-pipe heat exchanger design becomes impractical. Instead, the shell-and-tube heat exchanger design is used. 

Shell-and-Tube Heat Exchangers Design Details... 

Shell and tube heat exchanger design or rating it is better to use a computer software, such as HTRl. 

The shell and tube heat exchange design using Aspen Plus is done as that in Example 4.4. The process flow sheet and stream table properties are shown in Figure 4.37. The Exchanger details are shown in Figure 4.38. 

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