JP2006297430A - Equipment and method for manufacturing clad sheet of brazing filler metal - Google Patents

Equipment and method for manufacturing clad sheet of brazing filler metal Download PDF

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JP2006297430A
JP2006297430A JP2005120994A JP2005120994A JP2006297430A JP 2006297430 A JP2006297430 A JP 2006297430A JP 2005120994 A JP2005120994 A JP 2005120994A JP 2005120994 A JP2005120994 A JP 2005120994A JP 2006297430 A JP2006297430 A JP 2006297430A
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base material
brazing material
rolling mill
heating furnace
clad sheet
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JP4591175B2 (en
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Nobuhiro Tazoe
信広 田添
Tomotoshi Mochizuki
智俊 望月
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IHI Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To provide equipment and a method for manufacturing a more practical brazing filler metal sheet. <P>SOLUTION: The equipment is provided with an uncoiling device for uncoiling a coiled base metal, a rolling mill for sticking a brazing filler metal (filler metal) on the surface of the base metal, a sintering furnace for sintering on the base metal the brazing filler metal stuck onto the base metal surface by the rolling mill, and a winder for coiling the brazing filler metal clad sheet delivered from the sintering furnace. The rolling mill sticks the brazing filler metal to the base metal that is transported downward vertically. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は、ロウ材クラッドシートの製造設備及びその製造方法に関する。   The present invention relates to a brazing material clad sheet manufacturing facility and a manufacturing method thereof.

例えば特開２００４−２５２５１号公報には、母材とその表面に形成されたロウ材とからなるロウ材複合板の製造方法が開示されている。この製造方法は、粉末圧延法を用いて母材の表面にロウ材粉末からなるロウ材層を形成した後、焼結することによりロウ材粉末の母材に対する付着力を高めるものである。
特開２００４−２５２５１号公報 For example, Japanese Patent Application Laid-Open No. 2004-25251 discloses a method for manufacturing a brazing material composite plate including a base material and a brazing material formed on the surface of the base material. In this manufacturing method, a brazing material layer made of a brazing material powder is formed on the surface of the base material by using a powder rolling method, and then sintered, thereby increasing the adhesion of the brazing material powder to the base material.
JP 2004-25251 A

しかしながら、上記従来の製造方法は、実用性の面で十分に検討されたものではなく、実機として構成するためには種々の改良が必要であった。特に、実機としては設置スペースを省スペース化することは極めて重要である。   However, the above-described conventional manufacturing method has not been sufficiently studied in terms of practicality, and various improvements have been required to configure it as an actual machine. In particular, as an actual machine, it is extremely important to save installation space.

本発明は、上記事情に鑑みて成されたものであり、より実用的なロウ材シートの製造設備及びその製造方法を提供することを目的とする。   The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a more practical brazing sheet manufacturing facility and manufacturing method thereof.

上記目的を達成するために、本発明では、ロウ材クラッドシートの製造設備に係る第１の解決手段として、コイル状に巻回された母材を巻き戻す巻き戻し装置と、前記母材の表面にロウ材を固着させる圧延機と、該圧延機によって母材表面に固着したロウ材を母材に焼結する焼結炉と、該焼結炉から送り出されたロウ材クラッドシートをコイル状に巻き取る巻き取り機とを備え、前記圧延機は、上方から下方に搬送される母材に対してロウ材を固着させる、という手段を採用する。
ロウ材クラッドシートの製造設備に係る第２の解決手段として、コイル状に巻回された母材を巻き戻す巻き戻し装置と、該巻き戻し装置によって巻き戻された母材を加熱する加熱炉と、該加熱炉によって加熱された母材の表面にロウ材を固着させる圧延機と、
該圧延機によって母材表面に固着したロウ材を母材に焼結する焼結炉と、該焼結炉から送り出されたロウ材クラッドシートをコイル状に巻き取る巻き取り機とを備え、前記加熱炉は、上方から下方に搬送される母材を加熱する縦型加熱炉であり、前記圧延機は、前記加熱炉の下方に配置され、上方から下方に搬送される母材に対してロウ材を固着させる、という手段を採用する。
ロウ材クラッドシートの製造設備に係る第３の解決手段として、上記第１または第２の手段において、巻き戻し装置と圧延機あるいは加熱炉との間に母材を洗浄する連続洗浄装置が配置される、という手段を採用する。
ロウ材クラッドシートの製造設備に係る第４の解決手段として、上記第２または第３の手段において、加熱炉は、母材の搬送路上に配置／離間可能となるよう移動自在に支持される、という手段を採用する。
一方、本発明では、ロウ材クラッドシートの製造方法に係る第１の解決手段として、コイル状に巻回された母材を巻き戻して上方から下方に搬送し、その搬送過程において、母材の表面に対するロウ材の固着を行い、その後焼結してコイル状に巻き取る、という手段を採用する。
また、ロウ材クラッドシートの製造方法に係る第２の解決手段として、コイル状に巻回された母材を巻き戻して上方から下方に搬送し、その搬送過程において、母材の加熱とその表面に対するロウ材の固着とを行い、その後焼結してコイル状に巻き取る、という手段を採用する。 In order to achieve the above object, in the present invention, as a first solving means relating to a brazing material clad sheet manufacturing facility, a rewinding device for rewinding a base material wound in a coil shape, and the surface of the base material A rolling machine for fixing the brazing material to the base material, a sintering furnace for sintering the brazing material fixed to the surface of the base material by the rolling mill into the base material, and a brazing material clad sheet fed from the sintering furnace in a coil shape The rolling mill employs a means for fixing the brazing material to the base material conveyed downward from above.
As a second solution to the brazing material clad sheet manufacturing facility, a rewinding device for rewinding the base material wound in a coil shape, and a heating furnace for heating the base material rewinded by the rewinding device, A rolling mill for fixing the brazing material to the surface of the base material heated by the heating furnace;
A sintering furnace that sinters the brazing material fixed to the surface of the base material by the rolling mill into a base material, and a winder that winds the brazing material clad sheet fed from the sintering furnace into a coil shape, The heating furnace is a vertical heating furnace that heats a base material that is transported downward from above, and the rolling mill is disposed below the heating furnace and is brazed to the base material that is transported downward from above. Adopting means to fix the material.
As a third solving means relating to the brazing material clad sheet manufacturing facility, in the first or second means, a continuous cleaning device for cleaning the base material is disposed between the unwinding device and the rolling mill or the heating furnace. Adopting the means of
As a fourth solving means relating to the brazing material clad sheet manufacturing facility, in the second or third means, the heating furnace is movably supported so as to be arranged / separated on the conveying path of the base material. Adopt the means.
On the other hand, in the present invention, as a first solving means related to the manufacturing method of the brazing material clad sheet, the base material wound in a coil shape is rewound and transported downward from above. A method is adopted in which the brazing material is fixed to the surface, and then sintered and wound into a coil.
Further, as a second solving means related to the method of manufacturing the brazing material clad sheet, the base material wound in a coil shape is rewound and transported downward from above, and in the transport process, the base material is heated and its surface A method is adopted in which the brazing material is fixed to the substrate and then sintered and wound into a coil.

本発明によれば、母材を上方から下方に搬送し、その搬送途中に圧延機または加熱炉と圧延機とが設けられるので、設置スペースを省スペース化して実用的な製造設備とすることができる。
また、加熱炉から出た母材は曲げられることなく圧延機に直接導入されるため、ロウ材クラッドシートの品質低下を防止することができる。
また、連続洗浄装置によって母材表面の油分を除去することにより、その後の圧延工程でロウ材を母材に確実に固着することができる。
また、加熱炉を母材の搬送路上に配置／離間可能となるよう移動自在に支持することにより、冷間母材にロウ材を固着させる場合または炉メンテナンスの場合には、加熱炉をサイドシフトさせオフライン化できるので使い勝手を向上させることができる。 According to the present invention, the base material is transported from the top to the bottom, and the rolling mill or the heating furnace and the rolling mill are provided in the middle of the transportation. it can.
Moreover, since the base material which came out of the heating furnace is directly introduced into the rolling mill without being bent, it is possible to prevent the quality deterioration of the brazing clad sheet.
Further, by removing the oil on the surface of the base material by the continuous cleaning device, the brazing material can be securely fixed to the base material in the subsequent rolling process.
In addition, when the brazing material is fixed to the cold base material or in the case of furnace maintenance, the heating furnace is side-shifted by supporting the heating furnace so that it can be arranged / separated on the base material conveyance path. Since it can be offline, usability can be improved.

以下、図面を参照して、本発明の一実施形態について説明する。
図１は、本実施形態に係るロウ材クラッドシートの製造設備の側面図、図２は当該製造設備の一部を拡大した平面図である。 Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
FIG. 1 is a side view of a brazing material clad sheet manufacturing facility according to the present embodiment, and FIG. 2 is an enlarged plan view of a part of the manufacturing facility.

本製造設備１では、巻き戻し装置２、洗浄装置３、加熱炉４、圧延機５、焼結炉６及び巻き取り機７が母材Ｃの搬送方向に沿って設けられている。巻き戻し装置２は、コイル状に巻回された母材Ｃを巻き戻す装置であり、該巻き戻し装置２のすぐ下流側には洗浄装置３が設置されている。これら巻き戻し装置２及び洗浄装置３は、例えば３階のフロア２０上に並べて設けられている。   In the present manufacturing facility 1, a rewinding device 2, a cleaning device 3, a heating furnace 4, a rolling mill 5, a sintering furnace 6, and a winding machine 7 are provided along the conveying direction of the base material C. The rewinding device 2 is a device that rewinds the base material C wound in a coil shape, and a cleaning device 3 is installed immediately downstream of the rewinding device 2. The rewinding device 2 and the cleaning device 3 are provided side by side on a floor 20 on the third floor, for example.

洗浄装置３から送り出された母材Ｃは、ブライドルロール１０により搬送方向が水平方向から垂直下方向に変えられ、垂直方向に配置された加熱炉４及び圧延機５に進入する。加熱炉４は、上方から下方に搬送される母材Ｃを連続的に加熱する縦型加熱炉である。この加熱炉４は、母材Ｃの搬送路上への配置／離間が可能となるように水平方向に移動可能とするレール４ａによって支持されている。   The base material C sent out from the cleaning device 3 is changed from the horizontal direction to the vertical downward direction by the bridle roll 10 and enters the heating furnace 4 and the rolling mill 5 arranged in the vertical direction. The heating furnace 4 is a vertical heating furnace that continuously heats the base material C conveyed from above to below. The heating furnace 4 is supported by a rail 4a that is movable in the horizontal direction so that the base material C can be arranged / separated on the conveyance path.

図２は、上記加熱炉４を母材Ｃの搬送路から離間させた状態を示している。加熱炉４のメンテナンス、または圧延機５によって冷間の母材Ｃに粉末ロウ材を固着させる場合には、加熱炉４をサイドシフトさせることによりオフライン化することが可能となる。   FIG. 2 shows a state in which the heating furnace 4 is separated from the conveyance path of the base material C. In the case where the powder brazing material is fixed to the cold base metal C by the maintenance of the heating furnace 4 or the rolling mill 5, the heating furnace 4 can be made offline by side shifting.

図３は、このような加熱炉４の詳細を示す側面図である。加熱炉４は、支持台８に固定されており、この支持台８にはフロア２０側に固定されたレール４ａ，４ａによって案内される車輪４ｂ、４ｂが設けられている。これら車輪４ｂ，４ｂが回転しつつレール４ａ，４ａに沿って移動することにより、支持台８及び加熱炉４は図３の紙面奥行き方向（図２の紙面上下方向）に移動する。また、この加熱炉４は、入側と出側において母材Ｃをそれぞれ案内するガイド１８ａ，１８ｂを備えている。   FIG. 3 is a side view showing details of such a heating furnace 4. The heating furnace 4 is fixed to a support base 8, and wheels 4 b and 4 b guided by rails 4 a and 4 a fixed to the floor 20 side are provided on the support base 8. As these wheels 4b, 4b rotate and move along the rails 4a, 4a, the support base 8 and the heating furnace 4 move in the depth direction of the paper surface of FIG. 3 (the vertical direction of the paper surface of FIG. 2). The heating furnace 4 includes guides 18a and 18b for guiding the base material C on the entry side and the exit side, respectively.

圧延機５は、例えば２階のフロア２１上に設けられている。この圧延機５は、図４に示すように、一対のホッパ１５、１５と、当該ホッパ１５，１５内の粉末ロウ材を母材Ｃの両面に供給しながら回転するロール１６、１６とを備える。また、符号１７はロール１６，１６に荷重を与えるシリンダであり、符号１８ｂは加熱炉４から出た母材Ｃをロール１６間に導くガイドである。   The rolling mill 5 is provided on the floor 21 on the second floor, for example. As shown in FIG. 4, the rolling mill 5 includes a pair of hoppers 15 and 15 and rolls 16 and 16 that rotate while supplying the powder brazing material in the hoppers 15 and 15 to both surfaces of the base material C. . Reference numeral 17 denotes a cylinder that applies a load to the rolls 16 and 16, and reference numeral 18 b denotes a guide that guides the base material C from the heating furnace 4 between the rolls 16.

圧延機５の出口側から送り出された母材Ｃは、例えば１階フロア２２上に設けられたブライドルロール１１ａ、１１ｂによって搬送方向が再び水平となる。１階フロア２２上には、このブライドルロール１１ａ、１１ｂに加え、焼結炉６及び巻き取り機７が水平に並んで設けられており、母材Ｃは焼結炉６を通過して巻き取り機７により巻き取られる。
このように本製造設備１では、各装置が母材Ｃの搬送方向に沿ってクランク状に配置され、母材Ｃは水平、垂直及び水平の搬送経路を辿る。 The base material C sent out from the exit side of the rolling mill 5 becomes horizontal again in the conveying direction by, for example, bridle rolls 11 a and 11 b provided on the first floor 22. On the first floor 22, in addition to the bridle rolls 11 a and 11 b, a sintering furnace 6 and a winder 7 are provided horizontally, and the base material C passes through the sintering furnace 6 and is wound up. It is wound up by the machine 7.
As described above, in the present manufacturing facility 1, each device is arranged in a crank shape along the conveying direction of the base material C, and the base material C follows horizontal, vertical, and horizontal transport paths.

このように構成された本製造設備１を用いることにより、ロウ材クラッドシートは以下のように製造される。   By using the present manufacturing equipment 1 configured as described above, the brazing material clad sheet is manufactured as follows.

最初に、巻き戻し装置２から送り出された母材Ｃが、図２の作業台２５及びワークガイド２６を経て連続洗浄装置３に導入され、該連続洗浄装置３によって表面の油分が除去される。続いて、母材Ｃはブライドルロール１０によって搬送方向が垂直下向きに変えられ、加熱炉４において加熱される。なお、冷間の母材Ｃに粉末ロウ材を固着させる場合、加熱炉４はサイドシフトした状態となり、母材Ｃは加熱炉４内を通過しない。   First, the base material C sent out from the rewinding device 2 is introduced into the continuous cleaning device 3 through the work table 25 and the work guide 26 in FIG. 2, and the oil content on the surface is removed by the continuous cleaning device 3. Subsequently, the conveying direction of the base material C is changed vertically downward by the bridle roll 10 and is heated in the heating furnace 4. When the powder brazing material is fixed to the cold base material C, the heating furnace 4 is in a side-shifted state, and the base material C does not pass through the heating furnace 4.

続いて、母材Ｃは加熱炉４から直下の圧延機５に導かれ、圧延機５においてロール１６間に母材Ｃが挿入されながら厚み圧下が行われる。母材Ｃは、加熱炉４において予熱されているため、圧延が容易に行われる。また、この圧延の際には、ホッパ１５からロール１６上に粉末ロウ材が供給され、ロール１６による圧延によって粉末ロウ材が母材Ｃの両面に固着される。   Subsequently, the base material C is guided from the heating furnace 4 to the rolling mill 5 immediately below, and the thickness reduction is performed while the base material C is inserted between the rolls 16 in the rolling mill 5. Since the base material C is preheated in the heating furnace 4, it is easily rolled. In this rolling, the powder brazing material is supplied onto the roll 16 from the hopper 15, and the powder brazing material is fixed to both surfaces of the base material C by rolling with the roll 16.

母材Ｃは、続いてブライドルロール１１ａ、１１ｂによって搬送方向が再び水平に変更されて焼結炉６に導入され、ロウ材が焼結して母材Ｃの両面に固着した状態（つまりロウ材クラッドシート）となる。このロウ材クラッドシートは、巻き取り機７によってコイル状に巻き取られて全ての製造工程が終了する。   Next, the base material C is again introduced into the sintering furnace 6 by the bridle rolls 11a and 11b, and the conveying direction is again changed to the horizontal direction. Clad sheet). This brazing material clad sheet is wound up in a coil shape by the winder 7, and all the manufacturing steps are completed.

このような本実施形態によれば、以下のような効果を奏することができる。
（１）各装置が母材Ｃの搬送方向に沿ってクランク状に配置されているので、設置スペースを省スペース化することが可能である。
（２）加熱炉４から送り出された母材Ｃが曲げられることなく圧延機５に直接導入されるので、ロウ材のはがれ等を起こすことがない高品質のロウ材クラッドシートを製造することができる。
（３）冷間の母材に粉末ロウ材を固着させる場合あるいは炉メンテナンス時には、加熱炉４をサイドシフトさせることによりオフライン化することができるので、使い勝手を向上させることができる。 According to this embodiment, the following effects can be obtained.
(1) Since each device is arranged in a crank shape along the conveyance direction of the base material C, the installation space can be saved.
(2) Since the base material C delivered from the heating furnace 4 is directly introduced into the rolling mill 5 without being bent, it is possible to manufacture a high-quality brazing clad sheet that does not cause peeling of the brazing material. it can.
(3) When the powder brazing material is fixed to the cold base material or at the time of furnace maintenance, the heating furnace 4 can be off-lined by side shifting, so the usability can be improved.

なお、上記実施形態における圧延機５は母材Ｃの両面にロウ材粉末を固着させるものであるが、片面に固着させるものであっても良い。また、この圧延機５は、水平対向の２段あるいは４段、多段ロールでも良い。   In addition, although the rolling mill 5 in the said embodiment fixes the brazing material powder on both surfaces of the base material C, it may be fixed on one surface. Further, the rolling mill 5 may be a horizontally opposed two-stage or four-stage, multi-stage roll.

本発明の一実施形態として示したロウ材クラッドシートの連続製造設備の側面図である。It is a side view of the continuous production equipment of the brazing material clad sheet shown as one embodiment of the present invention. 本発明の一実施形態において同製造設備の一部を示した平面図である。It is the top view which showed a part of the manufacturing equipment in one Embodiment of this invention. 本発明の一実施形態において同製造設備の加熱炉を拡大して示した側面図である。It is the side view which expanded and showed the heating furnace of the manufacturing equipment in one Embodiment of this invention. 本発明の一実施形態において同製造設備の圧延機を拡大して示した側面図である。It is the side view which expanded and showed the rolling mill of the manufacturing equipment in one Embodiment of this invention.

符号の説明Explanation of symbols

１…製造設備、２…巻き戻し装置、３…洗浄装置、４…加熱炉、４ａ…レール、５…圧延機、６…焼結炉、７…巻き取り機
DESCRIPTION OF SYMBOLS 1 ... Manufacturing equipment, 2 ... Rewinding device, 3 ... Cleaning apparatus, 4 ... Heating furnace, 4a ... Rail, 5 ... Rolling mill, 6 ... Sintering furnace, 7 ... Winding machine

Claims (6)

コイル状に巻回された母材を巻き戻す巻き戻し装置と、
前記母材の表面にロウ材を固着させる圧延機と、
該圧延機によって母材表面に固着したロウ材を母材に焼結する焼結炉と、
該焼結炉から送り出されたロウ材クラッドシートをコイル状に巻き取る巻き取り機とを備え、
前記圧延機は、上方から下方に搬送される母材に対してロウ材を固着させる
ことを特徴とするロウ材クラッドシートの製造設備。 A rewinding device for rewinding a base material wound in a coil shape;
A rolling mill for fixing the brazing material to the surface of the base material;
A sintering furnace for sintering the brazing material fixed to the base material surface by the rolling mill into the base material;
A winder that winds the brazing material clad sheet fed from the sintering furnace into a coil;
The said rolling mill fixes a brazing material with respect to the base material conveyed below from the upper direction. The manufacturing apparatus of the brazing material clad sheet characterized by the above-mentioned. コイル状に巻回された母材を巻き戻す巻き戻し装置と、
該巻き戻し装置によって巻き戻された母材を加熱する加熱炉と、
該加熱炉によって加熱された母材の表面にロウ材を固着させる圧延機と、
該圧延機によって母材表面に固着したロウ材を母材に焼結する焼結炉と、
該焼結炉から送り出されたロウ材クラッドシートをコイル状に巻き取る巻き取り機とを備え、
前記加熱炉は、上方から下方に搬送される母材を加熱する縦型加熱炉であり、
前記圧延機は、前記加熱炉の下方に配置され、上方から下方に搬送される母材に対してロウ材を固着させる
ことを特徴とするロウ材クラッドシートの製造設備。 A rewinding device for rewinding a base material wound in a coil shape;
A heating furnace for heating the base material rewound by the unwinding device;
A rolling mill for fixing the brazing material to the surface of the base material heated by the heating furnace;
A sintering furnace for sintering the brazing material fixed to the base material surface by the rolling mill into the base material;
A winder that winds the brazing material clad sheet fed from the sintering furnace into a coil;
The heating furnace is a vertical heating furnace that heats a base material conveyed downward from above,
The said rolling mill is arrange | positioned under the said heating furnace, and fixes a brazing material with respect to the base material conveyed below from the upper direction, The manufacturing equipment of the brazing material clad sheet characterized by the above-mentioned. 巻き戻し装置と圧延機あるいは加熱炉との間に母材を洗浄する連続洗浄装置が配置されることを特徴とする請求項１または２記載のロウ材クラッドシートの製造設備。   3. The brazing material clad sheet manufacturing equipment according to claim 1, wherein a continuous cleaning device for cleaning the base material is disposed between the unwinding device and the rolling mill or the heating furnace. 加熱炉は、母材の搬送路上に配置／離間可能となるよう移動自在に支持されることを特徴とする請求項２または３に記載のロウ材クラッドシートの製造設備。   4. The brazing material clad sheet manufacturing equipment according to claim 2, wherein the heating furnace is movably supported so as to be arranged / separated on a transport path of the base material. 5. コイル状に巻回された母材を巻き戻して上方から下方に搬送し、その搬送過程において、母材の表面に対するロウ材の固着を行い、その後焼結してコイル状に巻き取る
ことを特徴とするロウ材クラッドシートの製造方法。 The base material wound in a coil shape is rewound and transported downward from above, and in the transport process, the brazing material is fixed to the surface of the base material, and then sintered and wound into a coil shape. A method for producing a brazing material clad sheet. コイル状に巻回された母材を巻き戻して上方から下方に搬送し、その搬送過程において、母材の加熱とその表面に対するロウ材の固着とを行い、その後焼結してコイル状に巻き取る
ことを特徴とするロウ材クラッドシートの製造方法。
The base material wound in a coil shape is rewound and transported from above to below. In the transport process, the base material is heated and the brazing material is fixed to the surface, and then sintered and wound into a coil shape. A method for producing a brazing material clad sheet.
JP2005120994A 2005-04-19 2005-04-19 Manufacturing equipment of brazing material clad sheet and manufacturing method thereof Expired - Fee Related JP4591175B2 (en)

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JP2009090344A (en) * 2007-10-10 2009-04-30 Ihi Corp Method of and device for producing brazing filler metal sheet
JP2009095871A (en) * 2007-10-18 2009-05-07 Ihi Corp Manufacturing facility and manufacturing method of clad brazing filler metal
JP2009150568A (en) * 2007-12-19 2009-07-09 Kobelco Eco-Solutions Co Ltd Melting furnace and waste disposal system
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JP2004025251A (en) * 2002-06-26 2004-01-29 Ishikawajima Harima Heavy Ind Co Ltd Composite brazing filler metal plate and method for manufacturing the same, and heat exchanger using the same

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Publication number Priority date Publication date Assignee Title
WO2008023463A1 (en) * 2006-08-24 2008-02-28 Ihi Corporation Process for producing cladding material and cladding material
JP2008049371A (en) * 2006-08-24 2008-03-06 Ihi Corp Method for manufacturing clad material, and clad material
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JP2008200686A (en) * 2007-02-16 2008-09-04 Ihi Corp Method and apparatus for manufacturing powder clad plate
JP2009090344A (en) * 2007-10-10 2009-04-30 Ihi Corp Method of and device for producing brazing filler metal sheet
JP2009095871A (en) * 2007-10-18 2009-05-07 Ihi Corp Manufacturing facility and manufacturing method of clad brazing filler metal
JP2009150568A (en) * 2007-12-19 2009-07-09 Kobelco Eco-Solutions Co Ltd Melting furnace and waste disposal system
JP2009150627A (en) * 2007-12-21 2009-07-09 Ihi Corp Heat exchanger and method for manufacturing heat exchanger
JP2013124415A (en) * 2011-12-16 2013-06-24 Ihi Corp Device and method for heat treatment
JP2012233683A (en) * 2012-07-06 2012-11-29 Ihi Corp Method for manufacturing heat exchanger

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