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Title:
ANNEALING FURNACE, APPARATUS FOR HEATING COILS OF ANNEALING FURNACE, AND POWER SUPPLY SYSTEM OF HEATING APPARATUS
Document Type and Number:
WIPO Patent Application WO/2018/124530
Kind Code:
A1
Abstract:
In order to enable the magnetic quality of coils to be improved by increasing the quantity of heat flowing into the lower part of the coils so as to more uniformly heat the coils during heat treatment, provided is an annealing furnace, an apparatus for heating coils of the annealing furnace, and a power supply system of the heating apparatus, the annealing furnace comprising: a trolley moving along the circumferential direction; a housing provided on the trolley, and blocked from the outside so as to form a heating space; a cover loaded inside the housing and accommodating the coils; a first heating part for applying heat to the outside of the cover inside the housing; and a second heating part provided inside the cover so as to heat the lower part of the coils.

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Inventors:
LEE, Sang Won (6261, Donghaean-ro, Nam-gu,,Pohang-si, Gyeongsangbuk-do, 37859, KR)
PARK, Jung Hun (6261, Donghaean-ro, Nam-gu,,Pohang-si, Gyeongsangbuk-do, 37859, KR)
Application Number:
KR2017/014297
Publication Date:
July 05, 2018
Filing Date:
December 07, 2017
Export Citation:
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Assignee:
POSCO (6261, Donghaean-ro Nam-gu,,Pohang-si, Gyeongsangbuk-do, 37859, KR)
International Classes:
C21D9/68; C21D8/12; F27D7/02; F27D7/04; F27D7/06; F27D11/02; F27D19/00
Foreign References:
KR20150075242A2015-07-03
KR20140052272A2014-05-07
KR20150075273A2015-07-03
JPH11269559A1999-10-05
JPH0892660A1996-04-09
Attorney, Agent or Firm:
YOU ME PATENT AND LAW FIRM (115 Teheran-ro, Gangnam-gu, Seoul, 06134, KR)
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