Forensic Engineers and Consultants

Tag Archive: Boiler

  1. What Does a Recovery Boiler Recover? – Quite a bit, actually!

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    The Kraft paper process was invented in 1879 and produces a stronger finished product that other paper manufacturing methods. One of the waste streams is known as black liquor and is a mixture of solids and water.  It contains lignin, hemicelluloses and chemicals used in the pulping process. The original process had no use for this harmful waste stream and it was dumped into nearby waterways, to their detriment!!!  Mr. G.H. Tomlinson invented the recovery boiler in the early 1930’s.  This development made the Kraft process the manufacturing method of choice, as explained below. (more…)

  2. WARREN WEBINAR: Property Claims Issues at Manufacturing Facilities

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    LIVE WEBINAR: “Property Claims Issues at Manufacturing Facilities” | Presented by WARREN’s President and Senior Consulting Engineer, Jennifer Morningstar, P.E., CFEI.

    COURSE LEARNING OBJECTIVES
    The learning objectives of this course are to provide the attendees with information on the four major facets of property claims that are commonplace in manufacturing facilities.

    They are:

    1. Subrogation against third parties;
    2. Boiler & machinery vs property claims;
    3. Scope of loss, and
    4. Business interruption

    Each facet will be explored and exemplified by at least one case study.

    (more…)

  3. Boiler Blowdown – It’s Not a Dance Move

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    When thinking about the safe operation of boilers (and don’t we all?), several systems can readily be named; flame control, fuel/air ratio; steam pressure control, levels in the vessel, etc. What about the water? It seems so passive, as long as there is enough for level control, what’s the big deal? Well, it turns out, that as the steam produced by a boiler is used in the process, the condensate from that steam is returned to the boiler as feedwater. However, since 100% of the condensate is not returned, whatever solids had been in that water before it evaporated to form steam are left in the remaining water.  Fresh feedwater is added to maintain levels, but even fresh water contains some dissolved solids. So over time, the water in the boiler system gets saturated with all sorts of dissolved minerals.
    (more…)

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