Two-step hybrid approach for the synthesis of multi-period heat exchanger networks with detailed exchanger design

In this study a novel methodology for multi-period heat exchanger network synthesis is presented. The new synthesis method aims to systematically generate many candidate networks and, through the use of more detailed individual heat exchanger designs and their evaluation over all periods, guide the network optimisation to more realistic designs. This is done by using the multi-period mixed integer non-linear programming (MINLP) stage-wise superstructure (SWS) model and modifying it to include correction factors. These correction factors enable the MINLP optimisation of the overall cost of the designed network, which uses only shortcut models of the individual exchangers, to be guided by more detailed models of the individual heat exchangers that comprise the network. The designs obtained at the topology optimisation stage thus more accurately represent an actual network. The correction factors take into account aspects of the real design, such as TEMA standards, FT correction factors, number of shells, and changes in overall heat transfer coefficients. Each exchanger is designed to function over all periods of operation, and if this is not possible, extra exchangers are designed for the periods that cannot be satisfied. The methodology is applied to a case study that demonstrates the benefits of the proposed approach.

[1]  F. T. Mizutani,et al.  Mathematical Programming Model for Heat-Exchanger Network Synthesis Including Detailed Heat-Exchanger Designs. 1. Shell-and-Tube Heat-Exchanger Design , 2003 .

[2]  C. Floudas.  Nonlinear and Mixed-Integer Optimization: Fundamentals and Applications , 1995 .

[3]  Ignacio E. Grossmann,et al.  Simultaneous optimization models for heat integration—II. Heat exchanger network synthesis , 1990 .

[4]  Chuei-Tin Chang,et al.  An algorithmic approach to generate timesharing schemes for multi-period HEN designs , 2015 .

[5]  Lixia Kang,et al.  Target-Oriented Methodology on Matching Heat Transfer Areas for a Multiperiod Heat Exchanger Network Retrofit , 2014 .

[6]  F. T. Mizutani,et al.  Mathematical Programming Model for Heat-Exchanger Network Synthesis Including Detailed Heat-Exchanger Designs. 2. Network Synthesis , 2003 .

[7]  Zdravko Kravanja,et al.  Simultaneous MINLP synthesis of heat and power integrated heat exchanger networks , 1999 .

[8]  Linlin Liu,et al.  Synthesis of Heat Exchanger Networks Considering Fouling, Aging, and Cleaning , 2015 .

[9]  Wei Li,et al.  Simultaneous Heat Exchanger Network Synthesis Involving Nonisothermal Mixing Streams with Temperature-Dependent Heat Capacity , 2015 .

[10]  Yongzhong Liu,et al.  Synthesis of Multi-period Heat Exchanger Network Considering Characteristics of Sub-periods , 2015 .

[11]  Adeniyi J. Isafiade,et al.  Optimal synthesis of heat exchanger networks for multi-period operations involving single and multiple utilities , 2015 .

[12]  Arturo Jiménez-Gutiérrez,et al.  MINLP synthesis of heat exchanger networks considering pressure drop effects , 2003, Comput. Chem. Eng..

[13]  Zdravko Kravanja,et al.  A methodology for the synthesis of heat exchanger networks having large numbers of uncertain parameters , 2015 .

[14]  Zdravko Kravanja,et al.  Simultaneous MINLP synthesis of heat exchanger networks comprising different exchanger types , 2002 .

[15]  Pingjing Yao,et al.  Efficient Method for Flexibility Analysis of Large-Scale Nonconvex Heat Exchanger Networks , 2015 .

[16]  G. Polley,et al.  Pressure drop considerations in the retrofit of heat exchanger networks , 1990 .

[17]  Muhammad Imran Ahmad,et al.  Multi-period design of heat exchanger networks , 2012 .

[18]  Bikash Mohanty,et al.  Synthesis of heat exchanger network considering pressure drop and layout of equipment exchanging heat , 2016 .

[19]  Chuei-Tin Chang,et al.  A new approach to generate flexible multiperiod heat exchanger network designs with timesharing mechanisms , 2013 .

[20]  Robin Smith,et al.  Heat exchanger network retrofit optimization involving heat transfer enhancement , 2012 .

[21]  Adeniyi J. Isafiade,et al.  Interval based MINLP superstructure synthesis of heat exchanger networks for multi-period operations , 2010 .

[22]  Michael Short,et al.  Heat Exchanger Network Synthesis Including Detailed Exchanger Designs Using Mathematical Programming and Heuristics , 2015 .

[23]  Jorge Otávio Trierweiler,et al.  Optimal heat exchanger network synthesis: A case study comparison , 2013 .

[24]  Luo Xing,et al.  Synthesis of flexible multi-stream heat exchanger networks based on stream pseudo-temperature with genetic/simulated annealing algorithms , 2007 .

[25]  Eid M. Al-Mutairi,et al.  Heat exchanger network synthesis incorporating enhanced heat transfer techniques , 2015 .

[26]  Christopher A. Bennett,et al.  Improving Heat Exchanger Designs , 2007 .

[27]  Juha Aaltola.  Simultaneous synthesis of flexible heat exchanger network , 2002 .

[28]  Donald Quentin Kern,et al.  Process heat transfer , 1950 .

[29]  Dieter Mewes,et al.  Simulation of 3D velocity and concentration profiles in a packed bed adsorber by lattice Boltzmann methods , 2006 .

[30]  W. Verheyen,et al.  Design of flexible heat exchanger network for multi-period operation , 2006 .

[31]  U. V. Shenoy,et al.  Heat Exchanger Network Synthesis:: Process Optimization by Energy and Resource Analysis , 1995 .

[32]  Chuei-Tin Chang,et al.  Heuristic Approach to Incorporate Timesharing Schemes in Multiperiod Heat Exchanger Network Designs , 2012 .

[33]  Dale F. Rudd,et al.  The synthesis of system designs. II. Heuristic structuring , 1969 .

[34]  M. Ravagnani,et al.  Optimal heat exchanger network synthesis with the detailed heat transfer equipment design , 2007, Comput. Chem. Eng..

[35]  Ignacio E. Grossmann,et al.  A heuristic Lagrangean approach for the synthesis of multiperiod heat exchanger networks , 2014 .