Abstract
Software for chemical processes modeling and simulation, in the past few decades, play an important role in the development of chemical-process industry with their growing capabilities and wide range of application. Usage of process simulators in Serbia for the process design is very limited. This paper gives a brief overview of the numerous process simulators that are used in the chemical-process industry today. The conceptual design is responsible for most of the investment costs in chemical process industry. Importance of precise design on preliminary level is obvious. Wrong decisions made at the conceptual level could be carried out throughout the chain in process design to the detailed design procedures and procurement of equipment. Although preliminary design phase comprises only about 2% of the total cost of the project, it contributes significantly to the reduction of cost of the project by more than 30%. Therefore process simulators play important role in elimination of unnecessary errors in basic process design. Here is also shown a case study of parallel process simulated in different process simulators which tests the results, the reliability and usefulness of these programs in solving specific engineering tasks. Comparison of given simulation results confirm that the modern process simulators are at high level of confidence, no matter they are based on different models, equations, methods, operations, interfaces or data bases. Usage of software speeds up the arrival of optimized solution during the design and the operational procedures. Therefore software have significant impact on reducing time of pre-project phase such as research, conceptual design, and proving project abilities. It?s development lead to faster commercialization of industrial ideas.
Highlights
Procesni simulatori (u daljem tekstu PS) spadaju u grupu inženjerskih softvera koji daju podršku pri projektovanju novih procesa i proizvoda, bitnih izmena postojećih tehnoloških procesa, proceni alternativa tehničkih rešenja složenih procesa i identifikacije uzroka problema u radu ili optimizaciji postojećih postrojenja, odnosno pri proceni uticaja na životnu sredinu, itd
U dosadašnjoj praksi razvoja procesa putem eksperimenta, sam postupak može dovesti do optimalnog rešenja suviše sporo za savremeni način proizvodnje i poslovanja
Neki od njih imaju mogućnost da prate ključne parametre procesa velikog broja ulaznih promenljivih i automatski, paralelno, kreiraju i dalje za simulaciju koriste nove poboljšane modele
Summary
Procesni simulatori (u daljem tekstu PS) spadaju u grupu inženjerskih softvera koji daju podršku pri projektovanju novih procesa i proizvoda, bitnih izmena postojećih tehnoloških procesa, proceni alternativa tehničkih rešenja složenih procesa i identifikacije uzroka problema u radu ili optimizaciji postojećih postrojenja, odnosno pri proceni uticaja na životnu sredinu, itd. Pojava dinamičkih simulacija omogućila je predviđanje i kontrolu realnih procesa u realnom vremenu, a poboljšane mogućnosti softvera našle su primenu i prilikom projektovanja procesa. U svetu je dostupno nekoliko stotina komercijalnih i besplatnih procesnih simulatora, uže ili šire specijalizacije po različitim oblastima hemijske industrije, a svi su definisani kao CAPE (eng. Computer Aided Process Engineering) softveri. Cilj ovog rada je da se prikažu mogućnosti savremenih procesnih simulatora, međusobno uporede njihove karakteristike i prikažu brojni aspekti njihove primene prilikom projektovanja realnih industrijskih procesa. Rezultati analize bi trebalo da pomognu projektantima prilikom izbora odgovarajućeg softvera, u zavisnosti od karakteristika tehnološkog procesa i opreme. Zasnovan na studiji slučaja realnog postrojenja za separaciju prirodnog gasa, poredi simulacije u različitim aplikacijama, radi ispitivanja njihovih mogućnosti prilikom projektovanja i saglasnosti rezultata
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