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Thread: Thien Separator from Hot Water Urn

  1. #1
    Supporting Member natie123's Avatar
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    Thien Separator from Hot Water Urn

    My dust extractor is OK for the larger tools (planer, radial arm saw etc) but my shop vacuum is more mobile and therefore more suited for use with smaller power tools (sanders etc). To reduce filter cleaning and for ease of disposal of sawdust, I built a Thien Separator.
    As we live at the coast, I try to avoid rust-prone materials. A 25 liter plastic bucket proved unsuitable as the suction from the shop vacuum deforms the bucket. I then repurposed a 30 liter stainless steel hot water urn to serve as a separator (Photo 1). Standard 40 mm plumbing fittings were used for the connections (Photo 2). The intake uses 2 x 45 degree elbows, rather than a 90 degree elbow, to provide a smoother air flow (Photo 2). The slot in the baffle is 20 mm wide and the rest of the design is as per Phil’s design.
    Castor wheels were affixed outboard of the urn base, to provide better stability (the separator gets dragged around the workshop by the pipes) (Photo 3). Thank you to Phil Thien for the design, it works a treat. NO sawdust ends up in the shop vacuum and hardly any dust gets to the filter. As the urn is watertight it can also be used for liquids. The tap could be left in place to empty the separator if it is often used for liquids.
    (Credit for the design - Phil Thien at J. Phil Thien's Cyclone Separator Lid w/ the Thien Cyclone Separator Baffle).
    Thien Separator from Hot Water Urn-photo-1.jpg Thien Separator from Hot Water Urn-photo-2.jpg Thien Separator from Hot Water Urn-photo3.jpg

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    Last edited by natie123; May 15, 2018 at 01:24 AM. Reason: Delete Thumbnails

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    Thanks natie123! We've added your Thien Separator to our Cleaning category,
    as well as to your builder page: natie123's Homemade Tools. Your receipt:

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