The pipe designer or designing team needs a systematic approach to translate a job from concept to a comprehensive set of drawings. This article presents one set of steps that has worked in the field. The authors decided to cast it as a manual because it may prove most useful in that format. The text shall be a compilation of best practices and a guideline for the pipe designer. Before starting other steps, it is important to understand the process pipe designers' function because he is responsible for the completed package of design drawings, reference drawings, specifications and lists containing all the information a contractor needs to fully comply with the requirements of the Bid Form as the basis of price quotations. Process facilities are generally classified as wet or dry. Wet processes generally use pressure piping for transfer between vessels, whereas in dry processes, gravity are preferred. This article focuses on wet processes, with secondary emphasis on dry processes. A project must have a written scope-of-work document. This is seldom ready at the beginning of a project. At the beginning of the process design phase, make a schematic diagram showing major process equipment and material flow lines. This piping design group usually drafts this process flow diagram (PFD) after the process engineer supplies the information. It includes a matrix that tabulates the mass-flow and material- and energybalance data. The primary element of a piping design is the piping and instrumentation diagram (P&ID). The first version should represent all major equipment, process piping with sizes, utility piping with sizes, and line-mounted instrument hardware. The piping design team is responsible for drafting the P&ID. The equipment layout is the beginning of the spatial translation of the P&ID. It is a prerequisite document for most of the engineering disciplines. Equipment groups are the components of a layout, e.g. tanks, pumps, reactors, condensersm, etc. Furthermore, the layout must consider operability, safety equipment, process vents and others. Special recommendations are given by the authors to the design of pharmaceutical and fine-chemical (P&FC) facilities. Piping routing details, building codes (fire codes etc.), pipe for maintenance and explanations for a flexibility analysis are given. For instrumentation the pipeline some examples are described. Because P&FC facilities can be big steam users, steam supply is explained in details. Compressed-air systems, water systems, vacuum systems and sanitary systems are desribed. Remarks to architectural discipline, structural discipline, electrical discipline and mechanical discipline complete the article.


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    Titel :

    Working the kinks out of piping design


    Weitere Titelangaben:

    Schwerpunkte beim Rohrleitungsentwurf


    Beteiligte:
    Bandel, F. (Autor:in) / Lawson, J. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    2002


    Format / Umfang :

    9 Seiten, 4 Bilder, 1 Tabelle, 10 Quellen



    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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