To provide a roasting-reduction method for steel by-product, in which occurrence of a blowing-up phenomenon is surely predicted without being accompanied with the time delay and the operational condition of a reducing furnace is changed before the blowing-up happens, to avoid the occurrence of the blowing-up.例文帳に追加

吹き上げ現象の発生を時間的遅れが伴うことなく確実に予測し、吹き上げに至る前に還元炉の操業条件を変更して、吹き上げの発生を未然に回避することのできる鉄鋼副生物の焙焼還元方法を提供する。 - 特許庁

The device for removing deposits in the blowing lance of a refining furnace has a plurality of cone-shaped deposit removal fittings tapering upward and provided inside a lance hole where the blowing lance moves up and down.例文帳に追加

精錬炉用吹錬ランスの付着物除去装置につき、吹錬ランスが昇降するランス孔の内側に、上向きに細まる錐状の付着物除去金具を複数個突設する。 - 特許庁

To provide preferable temperature and properties of a high-temperature blowing-in gas and to provide a preferable blowing-in method, in an operation method for waste incinerator blowing the high-temperature gas into a range of a main combustion area from an in-furnace combustion start-up area, especially in a low air ratio combustion operation method.例文帳に追加

炉内燃焼開始領域から主燃焼領域の範囲に高温ガスを吹き込む廃棄物焼却炉の操業方法、特に低空気比燃焼操業方法において、好ましい吹き込み高温ガスの性状、温度を提供し、かつ、好ましい吹き込み方法を提供する - 特許庁

To secure a high valuable metal recovery rate by preventing blowing-up upon an electric furnace operation without increasing production cost in a process of recovering valuable metal from steel by-products mainly made up of steelmaking dust, pickling sludge and scale.例文帳に追加

製鋼ダスト、酸洗スラッジ、スケールを主体とする鉄鋼副生物から有価金属を回収する工程で、生産コストを上げることなく、電気炉操業時に吹上げを防止し、高い有価金属回収率を確保する。 - 特許庁

By blowing hydrogen gas into the melting furnace 3 from the nozzle 23 directly, the hydrogen concentration is locally increased only in the vicinity of the melting furnace 3 in a short time, and the deoxidation reaction of the melted metal is efficiently performed up to the low oxygen concentration without increasing the hydrogen concentration in an airtight vessel 2 as a whole.例文帳に追加

水素ガスをノズル２３から溶解炉３に向けて直接吹き込むことによって、溶解炉３付近だけ偏在的に水素濃度を短時間で上げることができ、気密容器２内全体の水素濃度を上げなくても、効率的に低酸素濃度まで溶融金属の脱酸反応を行うことが可能になる。 - 特許庁

This nozzle is provided with an in-furnace observation hole 1' and a plurality of pulverized coal blowing nozzles 2 and tuyere end temperature regulating gas nozzles 3 lined up concentrically on the outer side thereof and is provided with a plurality of gaseous oxygen nozzles 4 on the concentric circle.例文帳に追加

中央部に炉内観察孔１’、その外側に同心円状に微粉炭吹込みノズル２、羽口先温度調整ガスノズル３が複数個並べて設けられ、同心円上に酸素ガスノズル４が複数個並べて設ける。 - 特許庁

A steel strip 1 is passed through a hot dipping bath vessel 4 from a pre-treating furnace 2, and the coated thickness of a hot-dipping metal, is controlled by blowing gas from one pair of gas throttle nozzles 7 on the surface of the steel strip 1 continuously pulled up through a sink roll 5.例文帳に追加

帯鋼１を前処理炉２から溶融金属めっき浴槽４へ通板させ、シンクロール５を介して連続的に引き上げられる帯鋼１の表面に、一対の気体絞りノズル７からガスを吹付けて溶融めっき金属の付着厚みを制御する。 - 特許庁

(1) In a method for producing titanium tetrachloride by blowing up chlorine gas from the under side to fluidize granular titanium ore and finely pulverized carbon supplied to a fluidizing furnace to form the fluidized bed 2, the materials constituting the fluidized bed are discharged out of the fluidizing furnace while forming the fluidized bed.例文帳に追加

(1)流動炉内に供給された粒子状のチタン鉱石と細粒化炭素を下方から塩素ガスを吹き上げて流動層を形成して四塩化チタンを製造する方法であって、前記流動層を形成しつつ、これを構成する物質を流動炉外に排出することを特徴とする四塩化チタンの製造方法。 - 特許庁

To provide a sealing device which effectively purges atmospheric gas by blowing argon gas so as to prevent a "hair crack" trouble of an ingot or a slab due to hydrogen pick up occurring during refining, when refining steel in atmospheric pressure with the use of a ladle refining apparatus which has a ladle refining furnace in a vacuum vessel and accordingly can refine the steel in a vacuum.例文帳に追加

取鍋精錬炉を真空容器内に設置して真空精錬可能にした取鍋精錬装置を用いて大気圧精錬を行なう場合に、精錬中の水素ピックアップに起因するインゴットや鋳片の「毛割れ」トラブルを防止するための、アルゴンガス吹き込みによる雰囲気パージを効果的に行なうことができる装置を提供する。 - 特許庁