Title:
高炉のバードネスト除去装置
Document Type and Number:
Japanese Patent JP6714768
Kind Code:
B2
Abstract:
Provided is an apparatus for removing a bird nest of a blast furnace, including a pulverized coal lance connected with a combustion zone inside the blast furnace to inject pulverized coal, a flux wired capsule supplied to the bird nest around the combustion zone through the pulverized coal lance to melt and remove the bird nest, and a high-pressure projectile installed to be connected with an end portion of the pulverized coal lance while accommodating the capsule to shoot the capsule to the bird nest using high-pressure nitrogen gas, in order to effectively remove the bird nest to improve a state of a reactor core by injecting a flux wired capsule into the bird nest accumulated on the reactor core of a furnace.
Inventors:
John, Jin Kyung
Kim, Sumbo
Kim, Fan Jae
Li, Sun Moon
Kim, Sumbo
Kim, Fan Jae
Li, Sun Moon
Application Number:
JP2019506129A
Publication Date:
June 24, 2020
Filing Date:
October 28, 2016
Export Citation:
Assignee:
POSCO
International Classes:
C21B7/00; C21B5/00; F23D1/00; F27D25/00
Domestic Patent References:
| JP2004012104A | ||||
| JP2007170794A | ||||
| JP62199706A |
Foreign References:
| KR101203651B1 | ||||
| KR1020120036174A | ||||
| KR101267744B1 |
Attorney, Agent or Firm:
Kyosei International Patent Office