OXYGEN ENRICHED BURNER AND HEATING METHOD USING OXYGEN ENRICHED BURNER

Title:

OXYGEN ENRICHED BURNER AND HEATING METHOD USING OXYGEN ENRICHED BURNER

Document Type and Number:

WIPO Patent Application WO/2019/013127

Kind Code:

A1

Abstract:

The purpose of the present invention is to provide: an oxygen enriched burner capable of uniformly heating with excellent heat-transfer efficiency even at positions distanced from the burner, when using a self-oscillating flame to heat objects-to-be-heated; and a heating method using an oxygen enriched burner. Provided is an oxygen enriched burner comprising: a central fluid discharge port (2); and a pair of first peripheral fluid discharge ports (3A) and a pair of second peripheral fluid discharge ports (3B), each in the pair facing each other and each pair arranged in orthogonal directions, in the periphery of the central fluid discharge port (2). A pair of openings (42a, 42b) are provided in a side wall (41) of a fluid discharge flow path (4) on the upstream side of the central fluid discharge port (2). The gap between a pair of side walls (43a, 43b) further on the downstream side than said openings gradually increases towards the downstream side. The pair of second peripheral fluid discharge ports (3B) are arranged so as to be orthogonal to the direction facing the openings (42a, 42b) and sandwich the central fluid discharge port (2) therebetween. An angle γ° formed between the central axis of the central fluid discharge port (2) and the central axis of the second peripheral fluid discharge ports (3B), an outlet width (D1) between the side walls (41) of the central fluid discharge port (2), and an outlet width (D2) in the direction following the outlet width (D1) in the second peripheral fluid discharge ports (3B) fulfill a prescribed relationship.

Inventors:

SAITO TAKESHI (JP)
YAMAMOTO YASUYUKI (JP)
HAGIHARA YOSHIYUKI (JP)
SEINO NAOKI (JP)

Application Number:

PCT/JP2018/025700

Publication Date:

January 17, 2019

Filing Date:

July 06, 2018

Export Citation:

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Assignee:

TAIYO NIPPON SANSO CORP (JP)

International Classes:

F23D14/84; F23D14/56; F23L7/00

Domestic Patent References:

WO1997044618A1	1997-11-27
WO2018051576A1	2018-03-22

Foreign References:

JP2005113200A	2005-04-28
JP2014505851A	2014-03-06
JP2015165180A	2015-09-17
JPH04273904A	1992-09-30
JPS55143307A	1980-11-08
JP2013079753A	2013-05-02
JP2016085021A	2016-05-19
JP2013079753A	2013-05-02

Other References: