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Title:
OXYGEN-ENRICHING BURNER AND HEATING METHOD USING OXYGEN-ENRICHING BURNER
Document Type and Number:
WIPO Patent Application WO/2019/044296
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide an oxygen-enriching burner and a heating method using the oxygen-enriching burner, wherein, when using a self-excited vibration flame to heat an object to be heated, the vibration period can be changed to an arbitrary vibration period, and the object to be heated can be uniformly heated at an excellent heat transfer efficiency. The present invention provides an oxygen-enriching burner characterized by being provided with: a central fluid jetting port (2) and a peripheral fluid jetting port (3) provided around the central fluid jetting port, wherein: a pair of openings (62a, 62b) are respectively provided in side walls (61, 61) of the fluid jetting flow passage (6) of the central fluid jetting port (2) at positions facing each other; the pair of openings (62a, 62b) communicate with each other through a communication part (7); the distance between a pair of side walls (63a, 63b) on the downstream side of the openings (62a, 62b) in the fluid jetting flow passage (6) gradually expands toward the downstream side; and the communication part (7) has a first communication pipe (71) and a second communication pipe (72) which have one ends (71a, 72b) respectively connected to the pair of openings (62a, 62b), and at least one or more communication elements (73) which are connected to the other ends (71b, 72b) of the first communication pipe (71) and the second communication pipe (72) and through which the first communication pipe (71) and the second communication pipe (72) communicate with each other.

Inventors:
SAITO Takeshi (3-26 Koyama 1-chome, Shinagawa-k, Tokyo 58, 〒1428558, JP)
YAMAMOTO Yasuyuki (3-26 Koyama 1-chome, Shinagawa-k, Tokyo 58, 〒1428558, JP)
YAMAGUCHI Masashi (3-26 Koyama 1-chome, Shinagawa-k, Tokyo 58, 〒1428558, JP)
HAGIHARA Yoshiyuki (3-26 Koyama 1-chome, Shinagawa-k, Tokyo 58, 〒1428558, JP)
SEINO Naoki (3-26 Koyama 1-chome, Shinagawa-k, Tokyo 58, 〒1428558, JP)
Application Number:
JP2018/028072
Publication Date:
March 07, 2019
Filing Date:
July 26, 2018
Export Citation:
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Assignee:
TAIYO NIPPON SANSO CORPORATION (3-26, Koyama 1-chome Shinagawa-k, Tokyo 58, 〒1428558, JP)
International Classes:
F23D14/84; F23D14/22; F23D14/56; F23L7/00
Foreign References:
JP2013079753A2013-05-02
JP2005113200A2005-04-28
JP2012083045A2012-04-26
Attorney, Agent or Firm:
SHIGA INTERNATIONAL PATENT OFFICE (1-9-2, Marunouchi Chiyoda-k, Tokyo 20, 〒1006620, JP)
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