JPH05332163A - High temperature piping - Google Patents
High temperature pipingInfo
- Publication number
- JPH05332163A JPH05332163A JP4138730A JP13873092A JPH05332163A JP H05332163 A JPH05332163 A JP H05332163A JP 4138730 A JP4138730 A JP 4138730A JP 13873092 A JP13873092 A JP 13873092A JP H05332163 A JPH05332163 A JP H05332163A
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- high temperature
- furnace
- fluidized bed
- refractory material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Thermal Insulation (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は，流動床ガス化炉等を稼
動してガスタービンを駆動するようなコンバインドプラ
ント等の，高温ガス通気部に適用される高温配管に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a high temperature pipe applied to a high temperature gas aeration part such as a combined plant which operates a fluidized bed gasification furnace to drive a gas turbine.
【０００２】[0002]
【従来の技術】図４は，流動床ガス化炉と流動床燃焼炉
を稼動してガスタービンを駆動する従来のコンバインド
プラントの一例を示す系統図，図５は図４中の高温配管
を示す縦断面図，図６は図５の VI − VI 横断面図であ
る。2. Description of the Related Art FIG. 4 is a system diagram showing an example of a conventional combined plant for operating a gas turbine by operating a fluidized bed gasification furnace and a fluidized bed combustion furnace, and FIG. 5 shows a high temperature pipe in FIG. FIG. 6 is a vertical sectional view, and FIG. 6 is a horizontal sectional view taken along line VI-VI of FIG.
【０００３】まず図４のコンバインドプラントの概要を
説明する。石炭（１１），脱硫剤（１２）および燃焼用
空気（７１）が流動床ガス化炉（１０）へ供給される。
流動床ガス化炉（１０）では，石炭（１１）がガス化さ
れ，石炭中の硫黄分が脱硫剤（１２）により硫化カルシ
ウム（ＣａＳ）として固定される。石炭（１１）のガス
化によって生じた可燃ガス（１３）は脱塵装置（２０）
で脱塵される。脱塵後の可燃ガス（２２）は二次コンバ
スタ（６０）に導入される。一方，流動床ガス化炉（１
０）でガス化されずに石炭（１１）から生じたチャーと
脱硫剤の混合物（１４ａ）と，脱塵装置（２０）で回収
されたチャーと脱硫剤の混合物（１４ｂ）は，流動床燃
焼炉（３０）に供給される。この流動床燃焼炉（３０）
には燃焼用空気（７２）も供給され，ここでチャーの燃
焼反応と硫化カルシウム（ＣａＳ）が酸化して石膏（Ｃ
ａＳＯ4 ）に転換する反応とが起きる。流動床燃焼炉
（３０）で発生する燃焼ガス（３１）は，脱塵装置（５
０）により脱塵され，脱塵後の燃焼ガス（５１）は前記
二次コンバスタ（６０）に導入される。First, an outline of the combined plant shown in FIG. 4 will be described. Coal (11), desulfurizing agent (12) and combustion air (71) are supplied to a fluidized bed gasifier (10).
In the fluidized bed gasification furnace (10), the coal (11) is gasified and the sulfur content in the coal is fixed as calcium sulfide (CaS) by the desulfurizing agent (12). Combustible gas (13) produced by gasification of coal (11) is a dust remover (20)
Be dedusted by. The combustible gas (22) after dedusting is introduced into the secondary combustor (60). On the other hand, fluidized bed gasifier (1
The mixture of char and desulfurization agent (14a) generated from coal (11) without being gasified in 0) and the mixture of char and desulfurization agent (14b) recovered in the dedusting device (20) are fluidized bed combustion. It is fed to the furnace (30). This fluidized bed combustion furnace (30)
Combustion air (72) is also supplied to this, where char combustion reaction and calcium sulfide (CaS) oxidize and plaster (C
aSO 4 ) conversion reaction occurs. Combustion gas (31) generated in the fluidized bed combustion furnace (30) is used in the dust removal device (5).
0), and the combustion gas (51) after the dust removal is introduced into the secondary combustor (60).
【０００４】二次コンバスタ（６０）では，流動床ガス
化炉（１０）から導かれた可燃ガス（２２）が，流動床
燃焼炉（３０）から導かれた燃焼ガス（５１）中の残存
酸素により燃焼し，ガスタービン（８０）に送られる。
ガスタービン（８０）から出た排ガス（８２）は，排ガ
スボイラ（図示せず）等を経て，スタック（図示せず）
へ導かれる。ガスタービン（８０）には，タービンが暴
走するのを防ぐために空気圧縮機（８１）が連結され，
その吐出空気（７０）は燃焼用空気等として使用され
る。また石炭（１１）中の灰分および脱硫後の脱硫剤
（１２）は，流動床燃焼炉（３０）の炉底から抜き出し
灰（３２）として，また脱塵装置（５０）から排出灰
（５２）として，それぞれ系外に除去される。In the secondary combustor (60), the combustible gas (22) introduced from the fluidized bed gasification furnace (10) contains residual oxygen in the combustion gas (51) introduced from the fluidized bed combustion furnace (30). Is burned by and is sent to the gas turbine (80).
The exhaust gas (82) emitted from the gas turbine (80) passes through an exhaust gas boiler (not shown) and the like, and is stacked (not shown).
Be led to. An air compressor (81) is connected to the gas turbine (80) to prevent the turbine from running out of control.
The discharged air (70) is used as combustion air or the like. Further, the ash content in the coal (11) and the desulfurizing agent (12) after desulfurization are extracted as ash (32) from the bottom of the fluidized bed combustion furnace (30) and discharged ash (52) from the dedusting device (50). Are removed from the system.
【０００５】流動床ガス化炉（１０）と流動床燃焼炉
（３０）から排出された可燃ガス（１３），（２２）と
燃焼ガス（３１），（５１）は，高圧でかつ数百度の高
温であるため，その配管は，図４，図５に示されるよう
な構造になっている。すなわち，厚肉の外筒（０２３）
の内部に耐火材（０２４）を内張りして，その中を高温
高圧ガスが流れるようになっている。なお流動床ガス化
炉（１０）や流動床燃焼炉（３０）等の系内圧力は，ガ
スタービン（８０）を駆動させるため，高圧に保持して
運転する。The combustible gases (13) and (22) and the combustion gases (31) and (51) discharged from the fluidized bed gasification furnace (10) and the fluidized bed combustion furnace (30) have a high pressure and a pressure of several hundred degrees. Since the temperature is high, the piping has a structure as shown in FIGS. That is, the thick outer cylinder (023)
A refractory material (024) is lined inside the so that high-temperature high-pressure gas can flow through it. The pressure in the system of the fluidized bed gasification furnace (10), the fluidized bed combustion furnace (30), etc. is maintained at a high pressure for driving the gas turbine (80) and operated.
【０００６】[0006]
１） 従来の可燃ガス（１３），（２２）および燃焼ガ
ス（３１），（５１）の流通部となる配管構造は，高温
度のため，耐火材（０２４）にひび割れ等が生じる恐れ
がある。もし，その耐火材破片が二次コンバスタ内に侵
入すると，ガスタービン故障の原因となる。 ２） 高温配管の外筒（０２３）は，耐圧用であり，耐
熱に関しては通常５５０℃近傍が許容温度である。した
がって，耐火材（０２４）のひび割れによりその外筒
（０２３）にホットスポット部が生じて破損する可能性
がある。1) Due to the high temperature of the conventional piping structure that serves as a circulation part for the combustible gases (13), (22) and the combustion gases (31), (51), cracks or the like may occur in the refractory material (024). .. If the fragments of the refractory material enter the secondary combustor, it may cause a gas turbine failure. 2) The outer tube (023) of the high temperature pipe is for pressure resistance, and the heat resistance is normally around 550 ° C. Therefore, a crack of the refractory material (024) may cause a hot spot portion in the outer cylinder (023) of the refractory material (024) to be damaged.
【０００７】[0007]
【課題を解決するための手段】本発明は，前記従来の課
題を解決するために，ガス化炉または燃焼炉で発生した
高温ガスをガスタービンに導く管路に適用され，内管お
よび外管で構成された二重管と，上記内管に内張りされ
た耐火材と，同耐火材の内面に配設され長手方向に摺動
自在な結合部を有する内筒とを具え，かつ上記高温ガス
が上記内筒内を流れるとともに，上記ガスタービンで駆
動される圧縮機の吐出空気の少なくとも一部が，上記内
管と外管の間の環状断面流路を経て，上記ガス化炉また
は燃焼炉に供給されるようにしたことを特徴とする高温
配管を提案するものである。In order to solve the above-mentioned conventional problems, the present invention is applied to a pipeline for guiding a high temperature gas generated in a gasification furnace or a combustion furnace to a gas turbine. And a refractory material lined with the inner tube, and an inner cylinder having a joint part which is disposed on the inner surface of the refractory material and is slidable in the longitudinal direction, While flowing in the inner cylinder, at least a part of the discharge air of the compressor driven by the gas turbine passes through the annular cross-section flow path between the inner pipe and the outer pipe, and then passes through the gasification furnace or the combustion furnace. The present invention proposes a high-temperature pipe characterized by being supplied to a high temperature pipe.
【０００８】[0008]
【作用】本発明においては，耐火材の内部に内筒を設け
るので，もし万一耐火材が破壊（ひび割れ等）しても，
その耐火材の破片が二次コンバスタへ侵入するのを防止
できる。また内管を耐圧配管とすれば，耐火材と内筒は
気密性が無くてもよく，したがって内筒に長手方向に摺
動自在な接合部を設けて内筒の熱伸びを吸収することが
でき，かつ内筒は耐熱のみを考慮した薄肉構造ですむ。
更に外管を設けて内管との間の環状断面流路に低温度の
燃焼用空気を通気させるので，内管にホットスポットが
生じることは無い。In the present invention, since the inner cylinder is provided inside the refractory material, even if the refractory material breaks (cracks or the like),
It is possible to prevent the fragments of the refractory material from entering the secondary combustor. If the inner pipe is made of pressure-resistant pipe, the refractory material and the inner cylinder may not have airtightness. Therefore, it is possible to absorb the thermal expansion of the inner cylinder by providing the inner cylinder with a joint that is slidable in the longitudinal direction. In addition, the inner cylinder can have a thin structure that only considers heat resistance.
Further, since the outer pipe is provided and the low temperature combustion air is ventilated in the annular cross-section flow path between the inner pipe and the inner pipe, no hot spot is generated in the inner pipe.
【０００９】[0009]
【実施例】図１は本発明の一実施例が適用されたコンバ
インドプラントを示す系統図，図２は同実施例の高温配
管を示す縦断面図，図３は図２の III−III 横断面図で
ある。図１は，高温配管の一部の構造が前記図４と異な
るだけなので，詳しい説明を省く。DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a system diagram showing a combined plant to which an embodiment of the present invention is applied, FIG. 2 is a vertical sectional view showing a high temperature pipe of the same embodiment, and FIG. 3 is a III-III cross sectional view of FIG. It is a figure. In FIG. 1, only a part of the structure of the high-temperature pipe is different from that in FIG. 4, so detailed description will be omitted.
【００１０】図１中の可燃性ガス（２２）および燃焼ガ
ス（５１）の高温配管（９０ａ），（９０ｂ）は，図２
および図３に示されるように，内管（２３）および外管
（２６）で構成された二重管と，その内管（２３）に内
張りされた耐火材（２４）と，その耐火材（２４）の内
面に配設され長手方向に摺動自在な結合部（２５ａ）を
有する内筒（２５）とを具えている。そして，図１に示
されるように，ガスタービン（８０）で駆動される空気
圧縮機（８１）の吐出空気（７０）が，高温配管（９０
ａ），（９０ｂ）の内管（２３）と外管（２６）の間の
環状断面流路を経て，ガス化炉（１０）および燃焼炉
（３０）に燃焼用空気（７１），（７２）として供給さ
れるようになっている。可燃性ガス（２２），燃焼ガス
（５１）は内筒（２５）の内部を流れる。The high temperature pipes (90a) and (90b) of the combustible gas (22) and the combustion gas (51) in FIG.
As shown in FIG. 3 and FIG. 3, a double pipe composed of an inner pipe (23) and an outer pipe (26), a refractory material (24) lined with the inner pipe (23), and a refractory material ( 24), and an inner cylinder (25) having a coupling portion (25a) slidable in the longitudinal direction. Then, as shown in FIG. 1, the discharge air (70) of the air compressor (81) driven by the gas turbine (80) is supplied to the high temperature pipe (90).
a), (90b) through the annular cross section flow path between the inner pipe (23) and the outer pipe (26), the combustion air (71), (72) to the gasification furnace (10) and the combustion furnace (30). ) Is being supplied as. The combustible gas (22) and the combustion gas (51) flow inside the inner cylinder (25).
【００１１】本実施例の高温配管の具体的寸法および材
質の例を次に示す。内筒（２５）は内径５００ mm ，肉
厚９ mm ，材質はインコロイを用いる。また耐火材（２
４）は肉厚１８０ mm で材質はカオウール（断熱材）で
ある。そして内管（２３）は肉厚１８ mm ，外管（２
６）は肉厚２０ mm で材質はいずれもＳＴＰＴ（高温配
管内炭素鋼鋼管）である。Examples of specific dimensions and materials of the high temperature pipe of this embodiment are shown below. The inner cylinder (25) has an inner diameter of 500 mm, a wall thickness of 9 mm, and is made of Incoloy. In addition, refractory materials (2
4) has a thickness of 180 mm and is made of kao wool (heat insulating material). The inner pipe (23) has a wall thickness of 18 mm, and the outer pipe (2)
6) has a wall thickness of 20 mm and is made of STPT (carbon steel pipe in high temperature pipe).
【００１２】また内筒（２５）内部を流れる可燃ガス
（２２）の温度は例えば８５０℃，圧力は１６ata であ
り，内管（２３）と外管（２６）の間の環状断面流路を
流れる冷却用（燃焼用）空気（７０）は例えば４５０
℃，１７ata である。Further, the temperature of the combustible gas (22) flowing inside the inner cylinder (25) is, for example, 850 ° C., the pressure is 16 ata, and it flows in the annular cross section flow path between the inner pipe (23) and the outer pipe (26). The cooling (combustion) air (70) is, for example, 450
℃, 17ata.
【００１３】本実施例においては，耐火材（２４）の内
部に内筒（２５）を設けたので，もし万一耐火材（２
４）が破壊（ひび割れ等）しても，耐火材の破片が二次
コンバスタ（６０）へ侵入するのを防止できる。また内
管（２３）を耐圧配管とすれば，耐火材（２４）と内筒
（２５）は気密性が無くてもよく，したがって内筒（２
５）に摺動自在な接合部（２５ａ）を設けて内筒（２
５）の熱伸びを吸収することができ，かつ内筒（２５）
は耐熱のみを考慮した薄肉配管ですむ。更に外管（２
６）を設けて内管（２３）との間の環状断面流路に低温
度の燃焼用空気（７０）を流して冷却するので，内管
（２３）にホットスポットが生じることは無く，また流
動床ガス化炉（１０）や流動床燃焼炉（３０）に供給さ
れる燃焼用空気（７１），（７２）は加熱されるので，
コンバインドプラントとしての熱効率が向上する。In this embodiment, since the inner cylinder (25) is provided inside the refractory material (24), the refractory material (2
Even if 4) is broken (cracked, etc.), it is possible to prevent fragments of the refractory material from entering the secondary combustor (60). If the inner pipe (23) is a pressure resistant pipe, the refractory material (24) and the inner cylinder (25) may not have airtightness, and therefore the inner cylinder (2)
5) is provided with a slidable joint portion (25a), and the inner cylinder (2
Inner cylinder (25) that can absorb the heat expansion of 5)
Requires only thin wall piping considering heat resistance only. Furthermore, the outer tube (2
6) is provided and the low temperature combustion air (70) is flown in the annular cross-section flow path between the inner pipe (23) and the inner pipe (23) for cooling, so that there is no hot spot in the inner pipe (23). Since the combustion air (71), (72) supplied to the fluidized bed gasification furnace (10) or the fluidized bed combustion furnace (30) is heated,
The thermal efficiency as a combined plant is improved.
【００１４】なお図１に示された実施例においては，脱
塵装置（２０），（５０）を出た可燃ガス（２２）と燃
焼ガス（５１）の高温配管（９０ａ），（９０ｂ）にの
み本発明が適用されているが，流動床ガス化炉（１０）
を出た可燃ガス（１３）や流動床燃焼炉（３０）を出た
燃焼ガス（３１）の高温配管部にも適用できることはい
うまでもない。In the embodiment shown in FIG. 1, the high temperature pipes (90a), (90b) for the combustible gas (22) and the combustion gas (51) discharged from the dust removing devices (20), (50) are connected to the high temperature pipes (90a), (90b). The present invention is applied only to the fluidized bed gasifier (10)
It goes without saying that the invention can also be applied to the high-temperature pipe section of the combustible gas (13) that has exited the exhaust gas and the combustion gas (31) that has exited the fluidized bed combustion furnace (30).
【００１５】[0015]
【発明の効果】本発明によれば，耐火材の内面に内筒を
設けるので，耐火材の破片等がガスタービン等，後流の
機器内に侵入することが無く，また内管（高温配管外
筒）にホットスポットが生じることもない。したがって
システムを故障なく円滑に運転できる。According to the present invention, since the inner cylinder is provided on the inner surface of the refractory material, fragments of the refractory material do not enter the downstream equipment such as the gas turbine and the inner pipe (high temperature pipe). There is no hot spot on the outer cylinder. Therefore, the system can be operated smoothly without failure.
【００１６】更に本発明によれば，内管の外部に低温度
の燃焼用空気を流すので，耐火材の厚みを薄くすること
ができ，したがってコストダウンもできる。Further, according to the present invention, since the combustion air at a low temperature is flown to the outside of the inner pipe, the thickness of the refractory material can be reduced, and the cost can be reduced.
【図１】図１は本発明の一実施例が適用されたコンバイ
ンドプラントを示す系統図である。FIG. 1 is a system diagram showing a combined plant to which an embodiment of the present invention is applied.
【図２】図２は上記実施例に係る高温配管を示す縦断面
図である。FIG. 2 is a vertical cross-sectional view showing a high temperature pipe according to the above embodiment.
【図３】図３は図２の III−III 矢視横断面図である。FIG. 3 is a transverse sectional view taken along the line III-III of FIG.
【図４】図４は流動床ガス化炉と流動床燃焼炉を稼動し
てガスタービンを駆動する従来のコンバインドプラント
の一例を示す系統図である。FIG. 4 is a system diagram showing an example of a conventional combined plant in which a fluidized bed gasification furnace and a fluidized bed combustion furnace are operated to drive a gas turbine.
【図５】図５は図４中の高温配管を示す縦断面図であ
る。5 is a vertical cross-sectional view showing the high temperature pipe in FIG.
【図６】図６は図５の VI − VI 矢視横断面図である。6 is a horizontal cross-sectional view taken along the line VI-VI of FIG.
（１０） 流動床ガス化炉 （１１） 石炭 （１２） 脱硫剤 （１３） 可燃ガス （１４ａ），（１４ｂ） チャーと脱硫剤の混合
物 （２０） 脱塵装置 （２２） 可燃ガス （０２３） 高温配管外筒 （２３） 内管（高温配管外筒） （０２４），（２４） 耐火材 （２５） 内筒 （２５ａ） 内筒嵌合部 （２６） 外管 （３０） 流動床燃焼炉 （３１） 燃焼ガス （３２） 抜き出し灰 （５０） 脱塵装置 （５１） 燃焼ガス （５２） 排出灰 （６０） 二次コンバスタ （７０），（７１），（７２） 燃焼用空気 （８０） ガスタービン （８１） 空気圧縮機 （８２） 排ガス （９０ａ），（９０ｂ） 高温配管(10) Fluidized bed gasifier (11) Coal (12) Desulfurizing agent (13) Combustible gas (14a), (14b) Mixture of char and desulfurizing agent (20) Dust remover (22) Combustible gas (023) High temperature Pipe outer cylinder (23) Inner pipe (high temperature pipe outer cylinder) (024), (24) Refractory material (25) Inner cylinder (25a) Inner cylinder fitting part (26) Outer tube (30) Fluidized bed combustion furnace (31) ) Combustion gas (32) Extracted ash (50) Dust remover (51) Combustion gas (52) Exhaust ash (60) Secondary combustor (70), (71), (72) Combustion air (80) Gas turbine ( 81) Air compressor (82) Exhaust gas (90a), (90b) High temperature piping
───────────────────────────────────────────────────── フロントページの続き (72)発明者 藤岡 祐一 長崎市深堀町５丁目717番１号 三菱重工 業株式会社長崎研究所内 (72)発明者 中島 文也 東京都千代田区丸の内二丁目５番１号 三 菱重工業株式会社内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Yuichi Fujioka 5-717-1, Fukahori-cho, Nagasaki-shi Nagasaki Research Institute, Mitsubishi Heavy Industries, Ltd. (72) Fumiya Nakajima 2-5-1 Marunouchi, Chiyoda-ku, Tokyo Sanritsu Heavy Industries Co., Ltd.
Claims (1)
スをガスタービンに導く管路に適用され，内管および外
管で構成された二重管と，上記内管に内張りされた耐火
材と，同耐火材の内面に配設され長手方向に摺動自在な
結合部を有する内筒とを具え，かつ上記高温ガスが上記
内筒内を流れるとともに，上記ガスタービンで駆動され
る圧縮機の吐出空気の少なくとも一部が，上記内管と外
管の間の環状断面流路を経て，上記ガス化炉または燃焼
炉に供給されるようにしたことを特徴とする高温配管。1. A double pipe composed of an inner pipe and an outer pipe, which is applied to a pipe for guiding a high temperature gas generated in a gasification furnace or a combustion furnace to a gas turbine, and a refractory material lined in the inner pipe. A compressor driven by the gas turbine while the high temperature gas flows in the inner cylinder, the inner cylinder being disposed on the inner surface of the refractory material and having a coupling portion slidable in the longitudinal direction. At least a part of the discharge air of (1) is supplied to the gasification furnace or the combustion furnace through an annular cross section flow path between the inner pipe and the outer pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4138730A JPH05332163A (en) | 1992-05-29 | 1992-05-29 | High temperature piping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4138730A JPH05332163A (en) | 1992-05-29 | 1992-05-29 | High temperature piping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH05332163A true JPH05332163A (en) | 1993-12-14 |
Family
ID=15228823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4138730A Pending JPH05332163A (en) | 1992-05-29 | 1992-05-29 | High temperature piping |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH05332163A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101458917B1 (en) * | 2014-03-24 | 2014-11-10 | 조인트유창써멀시스템 주식회사 | Landfill type expansion joint of insulated double pipe for having air cooling device |
| JP2018080802A (en) * | 2016-11-18 | 2018-05-24 | 三菱日立パワーシステムズ株式会社 | Piping member, gasification composition power generation device, and method of assembling piping member |
| WO2019220559A1 (en) * | 2018-05-16 | 2019-11-21 | 三菱日立パワーシステムズ株式会社 | Pipe member, gasification combined power generation device, and pipe member assembly method |
-
1992
- 1992-05-29 JP JP4138730A patent/JPH05332163A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101458917B1 (en) * | 2014-03-24 | 2014-11-10 | 조인트유창써멀시스템 주식회사 | Landfill type expansion joint of insulated double pipe for having air cooling device |
| JP2018080802A (en) * | 2016-11-18 | 2018-05-24 | 三菱日立パワーシステムズ株式会社 | Piping member, gasification composition power generation device, and method of assembling piping member |
| WO2019220559A1 (en) * | 2018-05-16 | 2019-11-21 | 三菱日立パワーシステムズ株式会社 | Pipe member, gasification combined power generation device, and pipe member assembly method |
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