JP2003246604A - Converted gas generating apparatus, and heat treatment atmosphere furnace using the apparatus - Google Patents
Converted gas generating apparatus, and heat treatment atmosphere furnace using the apparatusInfo
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- JP2003246604A JP2003246604A JP2002047607A JP2002047607A JP2003246604A JP 2003246604 A JP2003246604 A JP 2003246604A JP 2002047607 A JP2002047607 A JP 2002047607A JP 2002047607 A JP2002047607 A JP 2002047607A JP 2003246604 A JP2003246604 A JP 2003246604A
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- gas
- heat
- steel pipe
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Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、鋼の熱処理のため
の変成ガス発生装置及び該装置の用いた熱処理雰囲気炉
に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a modified gas generator for heat treatment of steel and a heat treatment atmosphere furnace using the same.
【０００２】[0002]
【従来の技術】従来、ガス浸炭処理では、変成炉を使用
して得られた変成ガスをキャリアガスとして使用してい
る。該変成ガスは、原料ガスとしての炭化水素系ガスと
空気または酸化性ガスとの混合ガスを１０５０〜１１０
０℃に加熱したＮｉ触媒層またはＣｏ触媒層中に通過さ
せて得ている。2. Description of the Related Art Conventionally, in a gas carburizing process, a metamorphic gas obtained by using a metamorphic furnace is used as a carrier gas. As the metamorphic gas, a mixed gas of a hydrocarbon-based gas as a raw material gas and air or an oxidizing gas is 1050 to 110.
It was obtained by passing it through a Ni catalyst layer or a Co catalyst layer heated to 0 ° C.
【０００３】例えば、炭化水素系ガスとして、ブタンを
用いた場合には、
Ｃ４ Ｈ１０＋２Ｏ２ ＋８Ｎ２ →４ＣＯ＋Ｈ２ ＋８Ｎ２ ・・・（１）
の反応により変成ガスが得られる。かようにして得られ
た変成ガスは、高温で不安定なＣＯの分解を防ぐために
ガス冷却器によって一旦常温付近まで冷却され、浸炭時
に使用されている。For example, when butane is used as the hydrocarbon gas, the modified gas is obtained by the reaction of C 4 H 10 + 2O 2 + 8N 2 → 4CO + H 2 + 8N 2 (1). The metamorphic gas thus obtained is once cooled to near room temperature by a gas cooler in order to prevent unstable decomposition of CO at high temperature, and is used during carburization.
【０００４】[0004]
【発明が解決しようとする課題】従来、前記変成炉は浸
炭炉と別に構成設置されており、したがって、設置場所
が必要になるとともに、レトルト、高温加熱装置、冷却
装置等が必要であり、その他、保守に手数を要する等の
問題が残されていた。さらに変成炉を一体化した熱処理
炉も提案されているが、一体化された変成炉の構成は、
前記従来の変成炉と実質的に異なる構造ではなく、加熱
装置等を有するものであった。Conventionally, the above-mentioned metamorphic furnace is separately installed from the carburizing furnace, so that an installation place is required and a retort, a high temperature heating device, a cooling device, etc. are required. However, there was a problem that maintenance was troublesome. Further, a heat treatment furnace in which a metamorphic furnace is integrated is also proposed, but the structure of the integrated metamorphic furnace is
The structure was not substantially different from that of the conventional metamorphic furnace, but had a heating device and the like.
【０００５】本発明は、前記事情に鑑み、自体に加熱装
置を不要とした構造簡単且つ安価で経済的な変成ガス発
生装置及び該装置を用いた熱処理雰囲気炉を提供するこ
とを目的とする。In view of the above circumstances, it is an object of the present invention to provide a modified gas generator which does not require a heating device itself, has a simple structure and is inexpensive, and a heat treatment atmosphere furnace using the device.
【０００６】[0006]
【課題を解決するための手段】請求項１は、耐熱鋼管内
にハニカム構造の触媒が充填され、該耐熱鋼管の一端に
原料ガスの供給口が形成され、他端に変成ガスの出口が
形成されてなる変成ガス発生装置である。According to a first aspect of the present invention, a catalyst having a honeycomb structure is filled in a heat-resistant steel pipe, a feed gas supply port is formed at one end of the heat-resistant steel pipe, and a shift gas outlet is formed at the other end. This is a modified gas generator.
【０００７】この請求項１の変成ガス発生装置は、自体
で加熱装置を有しない。すなわち、後に詳細を説明する
ように、その主要部である触媒充填部及び変成ガスの出
口が熱処理雰囲気炉内に配置させられて該熱処理雰囲気
炉の加熱源が利用される。したがって、構造簡単且つ安
価に提供できる。The modified gas generator of claim 1 does not have a heating device itself. That is, as will be described in detail later, the catalyst filling part, which is the main part, and the outlet of the shift gas are arranged in the heat treatment atmosphere furnace, and the heat source of the heat treatment atmosphere furnace is used. Therefore, the structure can be provided easily and inexpensively.
【０００８】また、触媒をハニカム構造とすることによ
って、原料ガスが均一にかつ効率よくガスの反応に供す
ることが可能になる。このため、触媒の材質について
は、従来の変成炉で用いられているＮｉ触媒に限定され
ることなく、白金−ロジウム系の２元系触媒や、白金−
ロジウム−パナジウム系の３元系触媒、さらにはＣｏ触
媒等の利用が可能である。Further, by making the catalyst have a honeycomb structure, the raw material gas can be uniformly and efficiently supplied to the gas reaction. Therefore, the material of the catalyst is not limited to the Ni catalyst used in the conventional shift converter, but may be a platinum-rhodium-based binary catalyst or a platinum-rhodium-based catalyst.
It is possible to use a rhodium-panadium ternary catalyst, a Co catalyst, and the like.
【０００９】請求項２は、耐熱鋼管内にハニカム構造の
触媒が充填され、該耐熱鋼管の一端に原料混合ガスの供
給口が形成され、該原料混合ガスの供給口と反対側且つ
前記触媒充填部を越えた前記耐熱鋼管適位置に変成ガス
の出口が形成され、さらに前記耐熱配管の他端にサンプ
ルガスの取出口が形成されてなる変成ガス発生装置であ
る。According to a second aspect of the present invention, a catalyst having a honeycomb structure is filled in the heat-resistant steel pipe, a feed port for the raw material mixed gas is formed at one end of the heat-resistant steel pipe, and the catalyst filling is provided on the opposite side of the feed port for the raw material mixed gas. The modified gas generator comprises a modified gas outlet formed at an appropriate position over the heat resistant steel pipe, and a sample gas outlet formed at the other end of the heat resistant pipe.
【００１０】この請求項２の変成ガス発生装置の使用形
態及び得られる作用効果等、前記請求項１の変成ガス発
生装置と同様であるが、熱処理作業の開始に先立ち、あ
るいは熱処理作業を続行しながら、変成ガスの一部を容
易に取り出して分析及び確認等をすることができ、した
がって不完全処理品の発生を防止できる。The use form of the shift gas generator according to claim 2 and the obtained effects are the same as those of the shift gas generator according to claim 1, but before the heat treatment work is started or the heat treatment work is continued. However, a part of the modified gas can be easily taken out for analysis and confirmation, so that the generation of incompletely processed products can be prevented.
【００１１】請求項３は、前記触媒として、好ましく
は、白金−ロジウム系または白金−ロジウム−パラジウ
ム系を使用するものである。この請求項３によれば、前
記したごとく、従来のＮｉ触媒より低温加熱による変成
が可能で、経済的であり、熱処理雰囲気炉の熱源の加熱
によって原料混合ガスの変成を有効に行うことができる
ので、例えば、ガス軟窒化のためのガス変成（４００℃
以上）にも有効利用できる。According to a third aspect of the present invention, the catalyst preferably uses a platinum-rhodium system or a platinum-rhodium-palladium system. According to the third aspect, as described above, it is possible to perform the transformation by heating at a lower temperature than the conventional Ni catalyst, which is economical, and the transformation of the raw material mixed gas can be effectively performed by heating the heat source of the heat treatment atmosphere furnace. So, for example, gas denaturation for gas soft nitriding (400 ℃
Above) can also be effectively used.
【００１２】請求項４は、前記請求項１に示した変成ガ
ス発生装置を用いた熱処理雰囲気炉に関する。すなわ
ち、前記請求項１に示した変成ガス発生装置の、前記原
料混合ガスの供給口を炉外望ませ、且つ前記触媒充填部
及び変成ガスの出口を炉内に配置してなる熱処理雰囲気
炉である。[0012] A fourth aspect of the present invention relates to a heat treatment atmosphere furnace using the shift gas generator of the first aspect. That is, in the heat treatment atmosphere furnace in which the feed gas mixture feed port of the shift gas generator according to claim 1 is desired outside the furnace, and the catalyst filling portion and shift gas outlet are arranged inside the furnace. is there.
【００１３】この請求項４によれば、炉内に配置された
触媒充填部及び変成ガスの出口が熱処理雰囲気炉の熱源
で加熱され、炉外の原料混合ガスの供給口から炭化水素
系ガスと空気との混合ガスを供給することにより、該原
料混合ガスがハニカム構造の触媒中を通過させられて、
変成されたガスが炉内に供給される。According to the present invention, the catalyst filling portion arranged in the furnace and the outlet of the shift gas are heated by the heat source of the heat treatment atmosphere furnace, and hydrocarbon gas is supplied from the feed port of the raw material mixed gas outside the furnace. By supplying a mixed gas with air, the raw material mixed gas is passed through the catalyst having a honeycomb structure,
The transformed gas is supplied into the furnace.
【００１４】請求項５は、前記請求項２に示した変成ガ
ス発生装置を用いた熱処理雰囲気炉に関する。すなわ
ち、前記請求項２に示した変成ガス発生装置の、前記原
料ガスの供給口及びサンプルガスの取出口を炉外に望ま
せ、且つ前記触媒充填部及び変成ガスの出口を炉内に配
置してなる熱処理雰囲気炉である。A fifth aspect of the present invention relates to a heat treatment atmosphere furnace using the shift gas generating apparatus according to the second aspect. That is, the feed gas supply port and the sample gas outlet of the shift gas generator according to claim 2 are desired outside the furnace, and the catalyst filling part and shift gas outlet are arranged inside the furnace. It is a heat treatment atmosphere furnace.
【００１５】この請求項５によれば、変成ガスの生成及
び炉内への供給は、前記請求項５と同様に炉外の原料混
合ガスの供給部から行われ、熱処理作業の開始に先立
ち、あるいは熱処理作業を続行しながら、変成ガスの一
部を取り出して、分析及び確認等をすることができ、不
完全処理品の発生を防止できる。According to the fifth aspect, the generation of the shift gas and the supply to the inside of the furnace are performed from the source of the raw material mixed gas outside the furnace as in the fifth aspect, and prior to the start of the heat treatment work. Alternatively, it is possible to take out a part of the modified gas for analysis and confirmation while continuing the heat treatment work, and prevent the generation of incompletely processed products.
【００１６】[0016]
【発明の実施の形態】以下に、本発明の実施の一形態を
説明する。図１は本発明の変成ガス発生装置及び該装置
を用いた熱処理雰囲気炉の要部縦断面図、図２は本発明
の変成ガス発生装置及び該装置を用いた熱処理雰囲気炉
の要部横断面図、図３は図１のＩＩＩ−ＩＩＩ線断面図
である。BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described below. FIG. 1 is a longitudinal sectional view of a metamorphic gas generator of the present invention and a heat treatment atmosphere furnace using the apparatus, and FIG. 2 is a lateral cross-sectional view of a metamorphic gas generator of the present invention and a heat treatment atmosphere furnace using the apparatus. 3 and 4 are cross-sectional views taken along the line III-III in FIG.
【００１７】図中、１は本発明に係る変成ガス発生装置
を用いた熱処理雰囲気炉であり、２は前記本発明の変成
ガス発生装置である。なお、該熱処理雰囲気炉１は、加
熱装置、炉天井部、攪拌装置等が省略され、炉壁１ａ，
１ｂ及び炉床１ｃ部のみが開示されている。In the figure, 1 is a heat treatment atmosphere furnace using the shift gas generator according to the present invention, and 2 is the shift gas generator according to the present invention. In the heat treatment atmosphere furnace 1, a heating device, a furnace ceiling part, a stirrer, etc. are omitted, and the furnace wall 1a,
Only part 1b and hearth 1c are disclosed.
【００１８】前記変成ガス発生装置２を構成する耐熱鋼
管３としては、４００〜１１００℃に使用される、好ま
しくは、高温浸炭（１０５０〜１１００℃）に耐えうる
鋼管が使用される。実施例では、１５００℃を超える融
点を持つＦｅ−Ｃｒ−Ｎｉ系燒結パイプが使用された。As the heat-resistant steel pipe 3 constituting the above-mentioned modified gas generator 2, a steel pipe used at 400 to 1100 ° C., preferably capable of withstanding high temperature carburization (1050 to 1100 ° C.) is used. In the examples, a Fe—Cr—Ni based sintered pipe having a melting point of more than 1500 ° C. was used.
【００１９】まず、内径７８ｍｍ、外径７９ｍｍ、長さ
１９２２ｍｍの前記耐熱鋼管３の内部適位置に、外径７
６ｍｍ、長さ８８０ｍｍ、６００セルのハニカム構造の
白金−ロジウム系の触媒４が充填された。First, the outer diameter 7 is placed at an appropriate position inside the heat-resistant steel pipe 3 having an inner diameter of 78 mm, an outer diameter of 79 mm and a length of 1922 mm.
A platinum-rhodium-based catalyst 4 having a honeycomb structure of 6 mm, a length of 880 mm, and 600 cells was filled.
【００２０】つぎに、前記耐熱鋼管３の一端に原料混合
ガスの供給通路５及び供給口６が形成された原料混合ガ
ス用の入口レンガ７が挿入される。もっとも、図面実施
例では、他端にサンプルガスの取出し通路８及びサンプ
ルガスの取出口９が形成されたサンプルガス用のレンガ
１０が挿入されている（前記請求項２）。Next, an inlet brick 7 for a raw material mixed gas, in which a raw material mixed gas supply passage 5 and a supply port 6 are formed, is inserted into one end of the heat resistant steel pipe 3. However, in the embodiment shown in the drawings, the brick 10 for the sample gas having the sample gas take-out passage 8 and the sample gas take-out port 9 formed at the other end is inserted (claim 2).
【００２１】さらに前記原料混合ガスの供給通路５及び
供給口６と反対側且つ前記触媒４の充填部分を越えた前
記耐熱鋼管３の適位置に変成ガスの出口１１が形成され
ている。Further, a shift gas outlet 11 is formed at an appropriate position on the heat-resistant steel pipe 3 opposite to the feed passage 5 and the feed port 6 for the raw material mixed gas and beyond the filled portion of the catalyst 4.
【００２２】図面実施の一形態では、耐熱鋼管３の他端
内部にサンプルガスの取出し通路８及びサンプルガスの
取出口９がレンガ１０により形成されているが、それら
は必ずしも構成する必要はなく、前記耐熱鋼管３の他端
は、閉塞、あるいは逆に、炉内にそのまま開口させても
よい。In the embodiment shown in the drawings, the sample gas take-out passage 8 and the sample gas take-out port 9 are formed of bricks 10 inside the other end of the heat-resistant steel pipe 3, but they are not necessarily required to be constructed. The other end of the heat-resistant steel pipe 3 may be closed, or conversely, may be opened as it is in the furnace.
【００２３】すなわち、前記耐熱鋼管３の他端を閉塞し
た場合には、生成された変成ガスを前記変成ガスの出口
１１から炉内に供給するように構成し、前記耐熱鋼管３
の他端を開口させた場合には、前記変成ガスの出口１１
を設けるまでもなく、耐熱鋼管３の先端開口部から直接
炉内に変成ガスが供給される（前記請求項１）。That is, when the other end of the heat-resistant steel pipe 3 is closed, the produced metamorphic gas is supplied into the furnace through the metamorphic gas outlet 11 to form the heat-resistant steel pipe 3.
When the other end of the gas is opened, the modified gas outlet 11
Without providing the above, the shift gas is directly supplied into the furnace from the opening of the tip of the heat-resistant steel pipe 3 (claim 1).
【００２４】つぎに、変成ガス発生装置を用いた熱処理
雰囲気炉について述べる。図面実施の一形態では、前記
変成ガス発生装置を熱処理雰囲気炉１の炉床ｃ部に設け
ている。なお、設置本数は熱処理雰囲気炉１の大きさ、
構造等により決定される。また、その設置場所は、必ず
しも炉床に限定されるものではなく、炉の構造に応じて
適宜決定される。Next, a heat treatment atmosphere furnace using a modified gas generator will be described. In one embodiment shown in the drawings, the shift gas generator is provided in the hearth c section of the heat treatment atmosphere furnace 1. In addition, the number of installation is the size of the heat treatment atmosphere furnace 1,
Determined by the structure etc. Further, the installation place is not necessarily limited to the hearth, but is appropriately determined according to the structure of the furnace.
【００２５】まず、前記請求項１に記載の変成ガス発生
装置を用いた熱処理雰囲気炉について述べると、前記請
求項１に述べた変成ガス発生装置は、図１及び図２に示
された実施例と異なり、前記耐熱鋼管３の他端部が無い
状態、すなわち、前記サンプルガスの取出し通路８及び
取出口９が形成されたレンガ１０の挿入部分が無い状態
で、しかも炉壁１ａが密閉された状態、さらに換言すれ
ば、前記耐熱鋼管３の触媒充填部分の先端部を熱処理雰
囲気炉１内で切断し、しかも炉壁１ａが密閉された状態
である。First, a heat treatment atmosphere furnace using the shift gas generator according to claim 1 will be described. The shift gas generator according to claim 1 is the embodiment shown in FIGS. 1 and 2. Unlike the above, in the state where the other end of the heat resistant steel pipe 3 is not present, that is, in the state where the brick 10 in which the sample gas take-out passage 8 and the take-out port 9 are formed is not present, and the furnace wall 1a is hermetically sealed. In this state, in other words, the tip of the catalyst-filled portion of the heat-resistant steel pipe 3 is cut in the heat treatment atmosphere furnace 1 and the furnace wall 1a is sealed.
【００２６】前記構成の変成ガス発生装置を用いた熱処
理雰囲気炉は、前記構成の変成ガス発生装置の原料混合
ガスの供給口６を炉外に望ませ、具体的には、炉壁１ｂ
を貫通させ、且つ前記触媒４の充填部及び変成ガスの出
口１１（あるいは改めて出口１１を設けず、前記耐熱鋼
管３の触媒充填部分の先端部を開口させた場合には該開
口部）を炉内に配置して構成される。In the heat treatment atmosphere furnace using the shift gas generator having the above-mentioned structure, the feed gas mixture feed port 6 of the shift gas generator having the above-mentioned structure is desired outside the furnace, specifically, the furnace wall 1b.
Of the catalyst 4 and the outlet 11 for the shift gas (or the opening 11 if the tip of the catalyst-filled portion of the heat-resistant steel pipe 3 is opened without providing the outlet 11 again). It is arranged inside.
【００２７】つぎに、請求項２に述べた変成ガス発生装
置２を用いた熱処理雰囲気炉１について述べると、その
状態は図１及び図２に示す通りであり、前記原料混合ガ
スの供給口６及びサンプルガスの取出口９を炉外に望ま
せ、具体的には、原料混合ガスの供給口６を炉壁２ｂに
貫通させ、サンプルガスの取出口９を炉壁１ａに貫通さ
せ、且つ前記触媒４の充填部及び変成ガスの出口１１を
炉内に配置して構成される。Next, the heat treatment atmosphere furnace 1 using the modified gas generator 2 described in claim 2 will be described. The state is as shown in FIGS. 1 and 2, and the raw material mixed gas supply port 6 is shown. And making the sample gas outlet 9 desired outside the furnace, specifically, the raw material mixed gas supply port 6 is penetrated through the furnace wall 2b, the sample gas outlet 9 is penetrated through the furnace wall 1a, and The catalyst 4 filling section and the shift gas outlet 11 are arranged in the furnace.
【００２８】そして、変成ガス発生装置２の外に望ませ
た部分がフランジ１２、ケ−ス受け１３、フランジパッ
キン１４、ボルト１５等により機密密閉される。前記構
成の熱処理雰囲気炉１内を１０５０℃に保ち、前記原料
混合ガスの供給口６から、ブタンを毎分３リットル、空
気を毎分２８．９リットルを供給した。Then, the desired portion outside the modified gas generator 2 is hermetically sealed by the flange 12, the case receiver 13, the flange packing 14, the bolt 15 and the like. The inside of the heat treatment atmosphere furnace 1 having the above structure was maintained at 1050 ° C., and 3 liters of butane and 28.9 liters of air were supplied from the supply port 6 for the raw material mixed gas per minute.
【００２９】なお、前記原料混合ガスの供給は、配管ヘ
ッダ−、オリフィス（いずれも図示せず）によって所定
のガス比率を保ち均等に行われる。The raw material mixed gas is uniformly supplied by a pipe header and an orifice (both not shown) while maintaining a predetermined gas ratio.
【００３０】前記触媒を通過させた変成ガス成分を分析
した結果は、ＣＯ：２３．５％、ＣＯ２ ：０．１３７
％、ＣＨ４ ：０．０６％、Ｎ２ ：３８％、Ｈ２ ：３
８％であり、従来の変成ガスとほとんど差異がなく、実
用に耐えることが確認された。The results of analysis of the modified gas components passed through the catalyst were as follows: CO: 23.5%, CO 2 : 0.137
%, CH 4: 0.06%, N 2: 38%, H 2: 3
It was 8%, and there was almost no difference from the conventional modified gas, and it was confirmed that it could be put to practical use.
【００３１】なお、前記実施の形態では、通常の浸炭処
理について説明したが、必ずしも前記実施例に記載され
た処理に限定されるものでなく、他の処理においても有
効である。例えば、ガス軟窒化処理のように、熱処理雰
囲気炉内の温度が６００℃程度の通常の浸炭処理より低
い温度での処理でも、ハニカム構造のＮｉ触媒を用いる
ことで、従来と変わらない変成ガスを得ることが可能で
ある。In the above embodiment, the usual carburizing treatment was explained, but the treatment is not necessarily limited to the treatment described in the above embodiment, and other treatments are also effective. For example, even if the temperature in the heat treatment atmosphere furnace is lower than the usual carburizing treatment of about 600 ° C., such as the gas soft nitriding treatment, by using the Ni catalyst having the honeycomb structure, the same conversion gas as the conventional one can be obtained. It is possible to obtain.
【００３２】[0032]
【発明の効果】本発明によれば、変成ガス専用の加熱装
置、さらに冷却装置等の諸設備が不要であり、構造上簡
単且つ安価で、経済的な変成ガス発生装置及び該装置を
用いた熱処理雰囲気炉を提供することができる。EFFECTS OF THE INVENTION According to the present invention, there is no need for a heating device for exclusive use of the metamorphic gas, and various equipment such as a cooling device. A heat treatment atmosphere furnace can be provided.
【図１】本発明の変成ガス発生装置及び該装置を用いた
熱処理雰囲気炉の要部縦断面図である。FIG. 1 is a longitudinal sectional view of an essential part of a modified gas generator of the present invention and a heat treatment atmosphere furnace using the same.
【図２】本発明の変成ガス発生装置及び該装置を用いた
熱処理雰囲気炉の要部横断面図である。FIG. 2 is a lateral cross-sectional view of a main part of a modified gas generator of the present invention and a heat treatment atmosphere furnace using the same.
【図３】図１のＩＩＩ−ＩＩＩ線断面図である。FIG. 3 is a sectional view taken along line III-III in FIG.
１ 熱処理雰囲気炉 ２ 変成ガス発生装置 ３ 耐熱鋼管 ４ （ハニカム構造の）触媒 ６ （原料混合ガスの）供給口 ９ （サンプルガスの）取出口 １１（変成ガスの）出口 1 Heat treatment atmosphere furnace 2 Metamorphic gas generator 3 heat-resistant steel pipe 4 (Honeycomb structure) catalyst 6 Supply port (for raw material mixed gas) 9 Outlet (for sample gas) 11 (transformed gas) outlet
───────────────────────────────────────────────────── フロントページの続き (72)発明者 北本 健一 東京都千代田区丸の内一丁目８番２号 同 和鉱業株式会社内 (72)発明者 村山 淳 東京都千代田区丸の内一丁目８番２号 同 和鉱業株式会社内 (72)発明者 鈴木 広良 東京都千代田区丸の内一丁目８番２号 同 和鉱業株式会社内 Ｆターム(参考） 4G040 EA03 EA07 EB23 EB41 EC03 EC08 ─────────────────────────────────────────────────── ─── Continued front page (72) Inventor Kenichi Kitamoto 1-8-2 Marunouchi, Chiyoda-ku, Tokyo Within Wa Mining Co., Ltd. (72) Inventor Jun Murayama 1-8-2 Marunouchi, Chiyoda-ku, Tokyo Within Wa Mining Co., Ltd. (72) Inventor Hiroyoshi Suzuki 1-8-2 Marunouchi, Chiyoda-ku, Tokyo Within Wa Mining Co., Ltd. F-term (reference) 4G040 EA03 EA07 EB23 EB41 EC03 EC08
Claims (5)
され、該耐熱鋼管の一端に原料混合ガスの供給口が形成
され、他端に変成ガスの出口が形成されてなることを特
徴とする変成ガス発生装置。1. A heat-resistant steel pipe is filled with a catalyst having a honeycomb structure, a feed port for a raw material mixed gas is formed at one end of the heat-resistant steel pipe, and a shift gas outlet is formed at the other end. Metamorphic gas generator.
され、該耐熱鋼管の一端に原料混合ガスの供給口が形成
され、該原料混合ガスの供給口と反対側且つ前記触媒充
填部分を越えた前記耐熱鋼管適位置に変成ガスの出口が
形成され、さらに前記耐熱鋼管の他端にサンプルガスの
取出口が形成されてなることを特徴とする変成ガス発生
装置。2. A catalyst having a honeycomb structure is filled in a heat-resistant steel pipe, a feed port for a raw material mixed gas is formed at one end of the heat-resistant steel pipe, and the feed port is opposite to the feed port for the raw material mixed gas and exceeds the catalyst filling portion. Further, a shift gas generating device is characterized in that a shift gas outlet is formed at an appropriate position of the heat-resistant steel pipe, and a sample gas outlet is formed at the other end of the heat-resistant steel pipe.
徴とする請求項１または２に記載の変成ガス発生装置。3. The shift gas generator according to claim 1, wherein the catalyst is a platinum-rhodium system.
され、該耐熱鋼管の一端に原料混合ガスの供給口が形成
され、他端に変成ガスの出口が形成されてなる変成ガス
発生装置の、前記原料混合ガスの供給口を炉外に望ま
せ、且つ前記触媒充填部及び変成ガスの出口を炉内に配
置してなることを特徴とする熱処理雰囲気炉。4. A shift gas generator comprising a heat-resistant steel pipe filled with a honeycomb structure catalyst, a feed gas mixture feed port formed at one end of the heat-resistant steel pipe, and a shift gas outlet port formed at the other end. A heat treatment atmosphere furnace, characterized in that the feed port for the raw material mixed gas is desired outside the furnace, and the catalyst filling portion and the shift gas outlet are arranged inside the furnace.
され、該耐熱鋼管の一端に原料混合ガスの供給口が形成
され、該原料混合ガスの供給口と反対側且つ前記触媒充
填部を越えた前記耐熱配管適位置に変成ガスの出口が形
成され、さらに前記耐熱鋼管の他端にサンプルガスの取
出口が形成されてなる変成ガス発生装置の、前記原料混
合ガスの供給口及びサンプルガスの取出口を炉外に望ま
せ、且つ前記触媒充填部及び変成ガスの出口を炉内に配
置してなることを特徴とする熱処理雰囲気炉。5. A heat-resistant steel pipe is filled with a catalyst having a honeycomb structure, a feed port for a raw material mixed gas is formed at one end of the heat-resistant steel pipe, and the feed port is opposite to the feed port for the raw material mixed gas and exceeds the catalyst filling portion. An outlet for the metamorphic gas is formed at an appropriate position in the heat resistant pipe, and further, a metamorphic gas generator in which a sample gas outlet is formed at the other end of the heat resistant steel pipe, the feed port of the raw material mixed gas and the sample gas A heat treatment atmosphere furnace, characterized in that an outlet is desired outside the furnace, and the catalyst filling portion and the shift gas outlet are arranged inside the furnace.
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|---|---|---|---|
| JP2002047607A JP4274514B2 (en) | 2002-02-25 | 2002-02-25 | Heat treatment atmosphere furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002047607A JP4274514B2 (en) | 2002-02-25 | 2002-02-25 | Heat treatment atmosphere furnace |
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| Publication Number | Publication Date |
|---|---|
| JP2003246604A true JP2003246604A (en) | 2003-09-02 |
| JP4274514B2 JP4274514B2 (en) | 2009-06-10 |
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|---|---|---|---|
| JP2002047607A Expired - Lifetime JP4274514B2 (en) | 2002-02-25 | 2002-02-25 | Heat treatment atmosphere furnace |
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| JP (1) | JP4274514B2 (en) |
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