PRODUCTION DEVICE OF ATMOSPHERIC GAS FOR CARBURIZATION

• Main Authors: KIYONO NAOKI, HAGIWARA YOSHIYUKI, HORINO TAIKI, YAMAMOTO YASUYUKI, WADA TOMOHIRO
• Format: Patent
• Language: English; Japanese
• Published: 08.01.2015
• Subjects: CHEMICAL SURFACE TREATMENT; CHEMISTRY; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING MATERIAL WITH METALLIC MATERIAL; COATING METALLIC MATERIAL; DIFFUSION TREATMENT OF METALLIC MATERIAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL; METALLURGY; MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; TRANSPORTING

PROBLEM TO BE SOLVED: To provide a production device of atmospheric gas for carburization capable of producing safely and stably gas for carburization containing a high concentration of carbon monoxide suitable as gas for high-temperature rapid carburization by suppressing generation of soot.SOLUTION: A production device 4 of atmospheric gas for carburization includes: a cylindrical combustion chamber 10; and two or more exhaust nozzles 11 each having an opening 11a on a cylindrical inner peripheral wall 10c of the combustion chamber 10, for introducing hydrocarbon gas and combustion supporting gas from a tangential direction of the inner peripheral wall 10c toward the inside of the combustion chamber 10. 【課題】煤の発生を抑制し、高温迅速浸炭用ガスとして好適な一酸化炭素を高濃度に含む浸炭用ガスを安全且つ安定して生成することが可能な浸炭用雰囲気ガスの生成装置を提供する。【解決手段】筒状の燃焼室１０と、燃焼室１０の筒状の内周壁１０ｃに開口部１１ａを有し、内周壁１０ｃの接線方向から当該燃焼室１０内に向けて炭化水素ガスと支燃性ガスとを導入する２以上の噴出孔１１と、を備えることを特徴とする浸炭用雰囲気ガスの生成装置４を採用する。【選択図】図２