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Burner apparatus, submerged combustion melters including the burner, and methods of use

  • US 9,580,344 B2
  • Filed: 07/30/2015
  • Issued: 02/28/2017
  • Est. Priority Date: 10/07/2011
  • Status: Active Grant
First Claim
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1. A burner comprising:

  • a first conduit comprising a first end, a second end, a longitudinal bore having a longitudinal axis, and an external surface;

    a second conduit substantially concentric with the first conduit, the second conduit comprising a first end, a second end, and an internal surface;

    the first and second conduits configured to form a primary annulus between the external surface of the first conduit and the internal surface of the second conduit;

    an adjustable structure comprising a body having an upper surface, a lower surface, a circumferential surface abutting a portion of the internal surface of the second conduit, and a generally cylindrical central hub concentric with the longitudinal axis and extending axially away from the lower surface of the body, the structure adjustable axially in relation to and removably attached to the first end of the first conduit via the generally cylindrical central hub, the generally cylindrical central hub defining a substantially central passage having an exit at the upper surface, the substantially central passage comprising an angled section and a vertical connector section connecting the angled section with a threaded section of the generally cylindrical central hub, the angled section forming an angle γ

    to the longitudinal axis ranging from about 10 degrees to about 45 degrees, the body comprising one or more non-central through passages extending from the lower to the upper surface, the one or more non-central passages configured such that flow of a first fluid through the one or more non-central passages causes the first fluid to intersect a flow of a second fluid in a mixing region above the upper surface of the body.

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