Publication detail

Total Site Utility System Structural Design Using P-graph

Walmsley, T.G. Jia, X. Philipp, M. Nemet, A. Liew P.Y. Klemeš, J.J. Varbanov, P.S.

English title

Total Site Utility System Structural Design Using P-graph

Type

conference paper

Language

en

Original abstract

This paper explores the macro optimisation decisions of energy sources selection and the structural design of the utility system within the framework of Total Site Heat Integration (TSHI). Most TSHI research on utility systems focuses on optimisation of conventional Combined Heat and Power systems. To build a new Utility Systems Planner (USP) tool, P-graph has been selected as the optimisation tool. A critical element of USP is the inclusion of low-grade heat utilisation technologies within the considered superstructure. The USP outputs include the optimal structure of the utility system including the arrangement and size of each component and estimates for Greenhouse Gas and Water Footprints. The successful application of the USP to a representative industrial case study with district energy integration shows an optimal solution with a natural gas boiler, reciprocating gas engine, condensing economiser, steam turbine, thermocompressor, organic Rankine cycle, cooling tower, and electric chiller with a total cost of 14.893 M€/y. The new tool is a platform for launching further research including site-specific application, multi-period optimisation, and sensitivity analysis.

English abstract

This paper explores the macro optimisation decisions of energy sources selection and the structural design of the utility system within the framework of Total Site Heat Integration (TSHI). Most TSHI research on utility systems focuses on optimisation of conventional Combined Heat and Power systems. To build a new Utility Systems Planner (USP) tool, P-graph has been selected as the optimisation tool. A critical element of USP is the inclusion of low-grade heat utilisation technologies within the considered superstructure. The USP outputs include the optimal structure of the utility system including the arrangement and size of each component and estimates for Greenhouse Gas and Water Footprints. The successful application of the USP to a representative industrial case study with district energy integration shows an optimal solution with a natural gas boiler, reciprocating gas engine, condensing economiser, steam turbine, thermocompressor, organic Rankine cycle, cooling tower, and electric chiller with a total cost of 14.893 M€/y. The new tool is a platform for launching further research including site-specific application, multi-period optimisation, and sensitivity analysis.

Keywords in English

Boilers; Greenhouse gases; Rankine cycle; Sensitivity analysis; Site selection; Steam turbines; Structural design; Combined heat and power system; Energy integration; Industrial case study; Optimal solutions; Optimal structures; Organic Rankine cycles; Reciprocating gas engines; Site utility systems; Structural optimization

Released

01.05.2018

Publisher

Italian Association of Chemical Engineering - AIDIC

ISBN

978-88-95608-61-7

ISSN

2283-9216

Book

Chemical Engineering Transactions

Volume

63

Number

63

Edition number

63

Pages from–to

31–36

Pages count

6

BIBTEX


@inproceedings{BUT151701,
  author="Timothy Gordon {Walmsley} and Xuexiu {JIA} and Jiří {Klemeš} and Petar Sabev {Varbanov},
  title="Total Site Utility System Structural Design Using P-graph",
  booktitle="Chemical Engineering Transactions",
  year="2018",
  volume="63",
  number="63",
  month="May",
  pages="31--36",
  publisher="Italian Association of Chemical Engineering - AIDIC",
  isbn="978-88-95608-61-7",
  issn="2283-9216"
}