JP2003222302A - Constructing method of exhaust heat recovery boiler and heat transfer tube panel block used in method - Google Patents

Constructing method of exhaust heat recovery boiler and heat transfer tube panel block used in method

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Publication number
JP2003222302A
JP2003222302A JP2002023971A JP2002023971A JP2003222302A JP 2003222302 A JP2003222302 A JP 2003222302A JP 2002023971 A JP2002023971 A JP 2002023971A JP 2002023971 A JP2002023971 A JP 2002023971A JP 2003222302 A JP2003222302 A JP 2003222302A
Authority
JP
Japan
Prior art keywords
heat transfer
transfer tube
casing
block
tube panel
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.)
Granted
Application number
JP2002023971A
Other languages
Japanese (ja)
Other versions
JP3970619B2 (en
Inventor
Isao Waseda
功 早稲田
Atsuo Kawahara
淳夫 河原
Mitsugi Musashi
貢 武蔵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Power Ltd
Original Assignee
Babcock Hitachi KK
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Babcock Hitachi KK filed Critical Babcock Hitachi KK
Priority to JP2002023971A priority Critical patent/JP3970619B2/en
Publication of JP2003222302A publication Critical patent/JP2003222302A/en
Application granted granted Critical
Publication of JP3970619B2 publication Critical patent/JP3970619B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

<P>PROBLEM TO BE SOLVED: To provide an advantageous constructing method of making components of an exhaust heat recovery boiler (HRSG) into a plurality of blocks for manufacture in a plant, transporting the blocks to a site and assembling them, and a heat transfer tube panel block used in the method. <P>SOLUTION: The block 25 obtained by housing a heat transfer tube panel 23 consisting of a group of heat transfer tubes and tube headers 7 and 8, an upper casing 20 of the HRSG provided above it, a heat insulating material 21 and a member including a heat transfer tube panel supporting beam 22 provided on an upper face of the casing 20 in a transport frame 24 is produced in the required size and number according to a design specification of the HRSG, a side casing and a bottom casing, excluding a ceiling part easing, are constructed in advance at a construction site for the HRSG, and each of the blocks 25 is hanged from above between adjacent supporting beams of the ceiling part so that the heat transfer tube panel supporting beam 22 of each of the blocks 25 is arranged at the installation height of the ceiling part supporting beams so as to connect and fix the supporting beams 22 to the ceiling part supporting beams through a steel plate for connection. <P>COPYRIGHT: (C)2003,JPO

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【発明の属する技術分野】本発明は複合発電(コンバイ
ンドサイクル発電)プラントに用いられる排熱回収ボイ
ラ(以下、HRSGと称すことがある)に関し、特に排
熱回収ボイラの建設方法(ブロック化工法)と該方法で
用いる伝熱管パネルブロックに関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an exhaust heat recovery boiler (hereinafter sometimes referred to as HRSG) used in a combined cycle (combined cycle power generation) plant, and particularly to a method for constructing an exhaust heat recovery boiler (block construction method). And a heat transfer tube panel block used in the method.

【0002】[0002]

【従来の技術】ガスタービンを用いる複合発電プラント
は石炭焚きボイラ等を用いる火力発電プラントに比較し
て熱効率が高く、燃料として主に天然ガスを用いるので
硫黄酸化物及びばい塵の発生量が少ないため排ガスの浄
化処理の負担が少なく、将来性の高い発電プラントとし
て注目されている。また複合発電プラントは負荷応答性
に優れており、電力需要に応じて、その発電出力を急激
に変えることができる高頻度起動停止運転(Daily Star
t Daily Stop)に適した発電方式としても注目されてい
る。
2. Description of the Related Art A combined cycle power plant using a gas turbine has a higher thermal efficiency than a thermal power plant using a coal-fired boiler and the like, and since natural gas is mainly used as a fuel, the amount of sulfur oxides and dust generated is small. Therefore, it is attracting attention as a power plant with a high potential, because it does not impose a burden on exhaust gas purification treatment. In addition, the combined cycle power plant has excellent load responsiveness, and its high-frequency start-stop operation (Daily Star Operation) can change its power generation output rapidly according to the power demand.
It is also attracting attention as a power generation method suitable for (T Daily Stop).

【0003】複合発電プラントは、発電用ガスタービン
と該ガスタービンの排ガスを用いて蒸気を発生させるH
RSGと、該HRSGで得られた蒸気を用いて発電を行
う蒸気タービンを主要な構成機器とするプラントであ
る。
A combined cycle power plant uses a gas turbine for power generation and exhaust gas from the gas turbine to generate steam.
This is a plant that has an RSG and a steam turbine that performs power generation using the steam obtained by the HRSG as main constituent devices.

【0004】図1に助燃バーナを内部に備えた横型HR
SGの概略構成図を示すが、HRSGは水平方向にガス
タービンからの排ガスGが流れるガスダクトであるケー
シング1を備え、該ケーシング1のガスタービン排ガス
が導入される入口付近の内部に助燃バーナ2が配置さ
れ、その後流側に多数の伝熱管群3が配置されている。
前記伝熱管群3は一般的には上流側から下流側に過熱器
3a、蒸発器3b及び節炭器3cが順に配置されている
が、再熱器(図示せず)を配置する場合もある。
FIG. 1 shows a horizontal HR having an auxiliary burner inside.
Fig. 1 shows a schematic configuration diagram of SG. HRSG includes a casing 1 which is a gas duct in which exhaust gas G from a gas turbine flows in a horizontal direction, and an auxiliary combustion burner 2 is provided inside the casing 1 near the inlet where the gas turbine exhaust gas is introduced. A large number of heat transfer tube groups 3 are arranged on the downstream side.
In the heat transfer tube group 3, generally, a superheater 3a, an evaporator 3b, and a economizer 3c are sequentially arranged from the upstream side to the downstream side, but a reheater (not shown) may be arranged. .

【0005】[0005]

【発明が解決しようとする課題】HRSGを含めて複合
発電プラントを構成する機器は、大容量の火力発電プラ
ントを構成する機器に比較して、その容量が小さく、工
場内で完成に近い段階まで組み立てた後に輸送可能であ
り、その場合には現地での据え付け作業が比較的簡単に
行える。そのため前記火力発電プラントを構成する大容
量の機器に比べて短期間で据え付けが完了する。
The equipment constituting a combined cycle power plant including HRSG has a smaller capacity than the equipment constituting a large-capacity thermal power plant, and is close to the stage of completion in the factory. It can be transported after it is assembled, in which case on-site installation work is relatively easy. Therefore, the installation can be completed in a short period of time as compared with the large-capacity equipment constituting the thermal power plant.

【0006】しかし、それでもHRSGなどは決してサ
イズが小さい機器ではなく、その据え付け作業には多大
の労力と時間が必要である。例えば、HRSGは数本の
伝熱管とその管寄せを一単位とする伝熱管パネルを現地
に必要な数だけ輸送して、現地で予め建設されているH
RSGケーシングの天井部に設けた支持梁に伝熱管パネ
ルを一単位ごとに吊り下げる作業を行っていた。何千
本、何万本もある伝熱管を、このように高所に吊り下げ
る作業を繰り返し行うことは危険を伴うだけでなく、工
期が長くなり、建設コストが高くなることも問題点であ
った。
However, the HRSG is still not a small size device, and its installation work requires a lot of labor and time. For example, the HRSG transports several heat transfer tubes and heat transfer tube panels, each of which is a unit, to the site, and transports the required number of heat transfer tube panels to the site.
The work of suspending the heat transfer tube panel for each unit on a support beam provided on the ceiling of the RSG casing was performed. Repeating the work of suspending thousands or tens of thousands of heat transfer tubes at a high place is not only dangerous, but also prolongs the construction period and raises the construction cost. .

【0007】そのため、HRSGの伝熱管パネル群を幾
つかのブロックに分けて、それらのブロックを一単位と
して製造工場内で完成させ、現地ではそれを組み立てる
だけで据付けが完了するようにHRSGを構成する機器
をブロック化してHRSGの建設を容易にする技術開発
が強く望まれている。
Therefore, the heat transfer tube panel group of HRSG is divided into several blocks, these blocks are completed as one unit in the manufacturing plant, and the HRSG is constructed so that the installation is completed only by assembling them on site. There is a strong demand for technological development that facilitates the construction of the HRSG by blocking the equipment to be used.

【0008】特に、海外でHRSGの建設用部品を調達
すること及び良質な建設要員を確保することが困難であ
ることなどの事情を考慮すると、HRSGを構成する機
器の製造に必要な技術力があり、品質管理または工程管
理等の管理体制が整い、熟練要員が多い日本国内の前記
機器の製造工場において前記機器を複数のブロックに分
けた部分品として完成させ、現地に輸送して、組み立て
るブロック化工法が非常に有利である。特に複合発電プ
ラントを構成する機器の中で容量が比較的大きいHRS
Gを複数のブロックに分けて予め工場で製造し、HRS
Gの建設現地で組み立てる工法の開発が望まれている。
[0008] In particular, considering the circumstances such as difficulty in procuring HRSG construction parts and securing high-quality construction personnel overseas, the technical ability necessary for manufacturing the equipment constituting HRSG is A block that has a management system such as quality control or process control, and has many skilled personnel in the manufacturing plant of the above-mentioned equipment in Japan, where the equipment is completed as parts divided into multiple blocks and transported to the site for assembly. The chemical method is very advantageous. In particular, HRS, which has a relatively large capacity among the devices that make up the combined cycle power plant
G is divided into multiple blocks and pre-manufactured in the factory, and HRS
Construction of G It is desired to develop a construction method for assembling locally.

【0009】本発明の課題は排熱回収ボイラの構成機器
を複数にブロック化して工場内で製造し、各ブロックを
現地に輸送して組み立てるための有利な建設方法と該方
法で用いる伝熱管パネルブロックを提供することであ
る。
An object of the present invention is to construct an exhaust heat recovery boiler into a plurality of blocks, manufacture them in a factory, transport each block to the site and assemble it, and a heat transfer tube panel used in the method. Is to provide blocks.

【0010】[0010]

【課題を解決するための手段】本発明の上記課題は、次
の手段により解決される。すなわち、排ガスがほぼ水平
方向に流れるガス流路を構成するケーシング内に伝熱管
群を配置して蒸気を発生させる排熱回収ボイラの建設方
法であって、伝熱管群と該伝熱管群の管寄せとからなる
伝熱管パネルと該伝熱管パネルの上方に設けた上部ケー
シングと該上部ケーシングの上面に設けられた前記伝熱
管パネル支持梁を含む部材を輸送フレーム内に収納して
得られるブロックを排熱回収ボイラの設計仕様に従って
必要なサイズと個数分作製し、予め排熱回収ボイラの建
設現場において天井部支持梁部分を含む支持構造部材と
天井部の以外の排熱回収ボイラの側面ケーシングと底面
ケーシングを建設しておき、前記各ブロックを排熱回収
ボイラの建設現場において各天井部の隣接する支持梁間
に上方から吊り降ろすことで天井部支持梁の設置高さに
各ブロックの伝熱管パネル支持梁を配置して両方の支持
梁を接続用の鋼板を介して接続固定する排熱回収ボイラ
の建設方法である。
The above-mentioned problems of the present invention can be solved by the following means. That is, a method of constructing an exhaust heat recovery boiler in which a heat transfer tube group is arranged in a casing forming a gas flow path in which exhaust gas flows in a substantially horizontal direction to generate steam, and the heat transfer tube group and the tubes of the heat transfer tube group are provided. A block obtained by accommodating a member including a heat transfer tube panel composed of a heat transfer tube panel, an upper casing provided above the heat transfer tube panel, and the heat transfer tube panel support beam provided on an upper surface of the upper casing in a transportation frame. Prepare the required size and number according to the design specifications of the exhaust heat recovery boiler, and in advance at the construction site of the exhaust heat recovery boiler, support structural members including the ceiling support beam parts and side casings of the exhaust heat recovery boiler other than the ceiling part. A bottom casing is constructed in advance, and at the construction site of the exhaust heat recovery boiler, the above-mentioned blocks are hung from above between adjacent support beams of each ceiling part to support the ceiling support beams. The 置高 of a construction method of the exhaust heat recovery boiler connected and fixed via a steel plate for by placing the heat exchanger tube panel support beams connecting the both support beams of the respective blocks.

【0011】前記排熱回収ボイラの建設方法において、
排熱回収ボイラの建設現場において各ブロックのガス流
れに垂直となる面を上下方向に配置して立て起こし治具
上に仮止めし、各ブロックを載置した前記立て起こし治
具を排熱回収ボイラの側面ケーシングの側面に隣接位置
においてクレーンにより、立て起こし治具の長手方向が
鉛直方向に向くように立て掛け、次いで、各ブロックの
ガス流れに垂直となる面が排熱回収ボイラの側面ケーシ
ングに沿うように配置して前記立て起こし治具を側面ケ
ーシングに仮止めし、クレーンの吊り上げ対象を、側面
ケーシングに仮止めした立て起こし治具の内部に載置さ
れているブロックの伝熱管パネル支持梁に代え、該ブロ
ックを上方に吊り上げて立て起こし治具から外し、排熱
回収ボイラのケーシングの隣接する天井部支持梁の間隙
部に上方からブロックを吊り下げるようにしても良い。
In the method for constructing the exhaust heat recovery boiler,
Exhaust heat recovery At the boiler construction site, the plane perpendicular to the gas flow of each block is arranged vertically and temporarily fixed on the raising jig, and the raising jig with each block placed is exhaust heat recovered. A crane is placed adjacent to the side surface of the boiler side casing so that the longitudinal direction of the raising / lowering jig is oriented vertically, and then the surface perpendicular to the gas flow of each block is the side casing of the heat recovery steam generator. The heat transfer tube panel support beam of the block placed inside the stand-up jig that is temporarily fixed to the side casing by temporarily fixing the stand-up jig to the side casing by arranging it along Instead, lift the block upwards, remove it from the upright jig, and blow it from above into the gap between the ceiling support beams adjacent to the casing of the exhaust heat recovery boiler. It may be hanging the click.

【0012】また、上記排熱回収ボイラの建設方法にお
いて、天井部支持梁の設置高さに各ブロックの伝熱管パ
ネル支持梁を配置して前記両方の支持梁を接続用の第一
の鋼板を介して接続固定した後に、各ブロックの上部ケ
ーシングと天井部支持梁の間にできる間隙を第二の鋼板
で塞いで、前記上部ケーシング、天井部支持梁および第
二の鋼板を溶接接続する方法を採用しても良い。
In the construction method of the exhaust heat recovery boiler, the heat transfer tube panel support beam of each block is arranged at the installation height of the ceiling support beam, and the first steel plate for connecting the both support beams is provided. After connecting and fixing through, by closing the gap formed between the upper casing of each block and the ceiling support beam with a second steel plate, a method of welding and connecting the upper casing, the ceiling support beam and the second steel plate. You may adopt it.

【0013】また、各ブロックの上部ケーシングの下方
には保温材を設け、また上部管寄せには蒸気または水を
流通させ他の伝熱管または機器に送るための連絡管を設
け、各ブロックの上部ケーシングと上部管寄せの間であ
って、伝熱管パネル支持梁の下面(から吊り下げるよ
う)に管寄せサポートを設けることができる。
In addition, a heat insulating material is provided below the upper casing of each block, and a communication pipe for circulating steam or water and sending it to other heat transfer pipes or equipment is provided in the upper header, and the upper part of each block is provided. Between the casing and the upper header, a header support may be provided on the lower surface of the heat transfer tube panel support beam (to be hung from it).

【0014】また、本発明は、伝熱管群と該伝熱管群の
管寄せとからなる伝熱管パネルと該伝熱管パネルの上方
に設けた上部ケーシングと該上部ケーシングの上面に設
けられた前記伝熱管パネル支持梁を含む部材と、前記部
材群を囲う剛体からなる輸送フレームとを一ブロック単
位として、前記一ブロック単位の伝熱管パネルには伝熱
管群の長手方向を横断する方向に隣接する伝熱管同士の
接触を防ぐために所定間隔で配置される防振サポート
と、該防振サポートの端部と輸送フレームとの間に配置
される揺れ止め用固定部材とを備えた排熱回収ボイラ建
設用の伝熱管パネルブロックである。
Further, according to the present invention, there is provided a heat transfer tube panel comprising a heat transfer tube group and a header of the heat transfer tube group, an upper casing provided above the heat transfer tube panel, and the above-mentioned transfer provided on an upper surface of the upper casing. A member including a heat tube panel support beam and a transport frame made of a rigid body that surrounds the member group are used as one block unit, and the heat transfer tube panel of each one block unit is adjacent to the heat transfer tube group in a direction transverse to the longitudinal direction of the heat transfer tube group. For constructing an exhaust heat recovery boiler comprising a vibration-isolating support arranged at a predetermined interval to prevent contact between heat pipes, and a shake-preventing fixing member arranged between the end of the vibration-isolating support and the transportation frame. It is a heat transfer tube panel block.

【0015】[0015]

【発明の実施の形態】本発明の実施の形態になる排熱回
収ボイラのブロック化工法の説明を図面と共にする。図
2はボイラのガス流れ方向に直交する断面を見た図、図
3にはボイラのガス流れ方向の断面を見た図を示す。な
お、図2は図1のA−A線断面矢視図に相当し、図3は
図2のA−A線断面矢視図に相当する。
BEST MODE FOR CARRYING OUT THE INVENTION A block construction method for an exhaust heat recovery boiler according to an embodiment of the present invention will be described with reference to the drawings. FIG. 2 shows a cross-sectional view of the boiler orthogonal to the gas flow direction, and FIG. 3 shows a cross-sectional view of the boiler in the gas flow direction. 2 corresponds to the sectional view taken along the line AA of FIG. 1, and FIG. 3 corresponds to the sectional view taken along the line AA of FIG.

【0016】排熱回収ボイラの伝熱管群は図2、図3に
示すように伝熱管6、上部管寄せ7、下部管寄せ8、上
部連絡管9、下部連絡管10によって構成され、伝熱管
6は上部で管寄せサポート11によって支持され、その
外周はケーシング1と内部ケーシング12およびケーシ
ング1と内部ケーシング12の間に充填される保温材1
3によって覆われ、全体が伝熱管パネル支持梁22に支
持されている。伝熱管6の外周にはフィン16(一部の
み図示)が巻き付けられており、フィン付き伝熱管6は
排ガス流れ方向に対して千鳥状に複数配置されている。
伝熱管6は排ガスGが伝熱管6同士の間を通過する際
に、ある速さ以上になると、通過する排ガスGの流体力
と排ガスGの経路を構成している伝熱管6の剛性力とが
お互いに干渉することにより、伝熱管6が自励振動する
流力弾性振動と呼ばれる現象を起こすおそれがある。そ
の流力弾性振動を防止するためと前後および左右の伝熱
管6が互いに接触することを避けるために管軸に直交す
る方向に設けられた防振サポート18により束ねられて
いる。
As shown in FIGS. 2 and 3, the heat transfer tube group of the exhaust heat recovery boiler is composed of a heat transfer tube 6, an upper heading 7, a lower heading 8, an upper connecting tube 9, and a lower connecting tube 10. The upper part 6 is supported by a pipe-pulling support 11 and its outer periphery is filled with the casing 1 and the inner casing 12 and between the casing 1 and the inner casing 12.
3 and is entirely supported by the heat transfer tube panel support beam 22. Fins 16 (only a part of which are shown) are wound around the outer circumference of the heat transfer tube 6, and the plurality of finned heat transfer tubes 6 are arranged in a staggered manner in the exhaust gas flow direction.
When the exhaust gas G passes between the heat transfer tubes 6 at a certain speed or higher, the heat transfer tube 6 has a fluid force of the exhaust gas G passing through and a rigidity force of the heat transfer tube 6 forming a path of the exhaust gas G. May interfere with each other, causing a phenomenon called hydroelastic vibration in which the heat transfer tube 6 vibrates by itself. In order to prevent the hydroelastic vibration and to prevent the front and rear and left and right heat transfer tubes 6 from coming into contact with each other, they are bundled by a vibration isolation support 18 provided in a direction orthogonal to the tube axis.

【0017】ケーシング1内部に配置される前記構成か
らなる複数の伝熱管6の群と管寄せ7、8からなる伝熱
管パネル23を複数に分けてブロック化し、各ブロック
25を輸送用フレーム24に収納した各伝熱管パネルブ
ロック25(以下、単にブロック25と称する)の斜視
図を図4に示す。一つの輸送フレーム24内には約60
0本の伝熱管6とそれらの上下管寄せ7、8と上下の連
絡管9、10、さらに上部ケーシング20、保温材2
1、伝熱管パネル支持梁22等を一体物として収納す
る。図5には上管寄せと上部ケーシング部分の斜視図を
示す。
A group of a plurality of heat transfer tubes 6 having the above-described structure arranged in the casing 1 and a heat transfer tube panel 23 composed of the headers 7 and 8 are divided into a plurality of blocks, and each block 25 is a transport frame 24. FIG. 4 shows a perspective view of each heat transfer tube panel block 25 (hereinafter, simply referred to as block 25) housed. About 60 in one transport frame 24
0 heat transfer pipes 6, their upper and lower headers 7, 8 and upper and lower connecting pipes 9, 10, an upper casing 20, a heat insulating material 2
1. The heat transfer tube panel support beam 22 and the like are housed as an integral body. FIG. 5 shows a perspective view of the upper header and the upper casing part.

【0018】1300℃級の複合発電プラント用のHR
SGでは、ガス流路の幅方向に2または3のブロック2
5に分割し、ガス流れ方向には伝熱管群の配置と輸送上
の制約から6〜12のブロック25に分割して、それぞ
れをブロック25とするが、この場合の一つのブロック
25のサイズは、例えば長さ26m、幅3〜4.5m、
高さ1.5〜4mである。
HR for 1300 ° C. class combined cycle power plant
In SG, 2 or 3 blocks 2 in the width direction of the gas flow path
It is divided into 5 and divided into blocks 25 of 6 to 12 in the gas flow direction due to the arrangement of the heat transfer tube group and restrictions on transportation, and each block is a block 25. In this case, one block 25 has a size of , Length 26m, width 3-4.5m,
The height is 1.5 to 4 m.

【0019】各ブロック25にはフィン付き伝熱管パネ
ル23を3〜8パネル、隣接する他のブロック25の管
寄せとの間で被加熱流体が流通する上部連絡管9、上部
ケーシング20、上部ケーシング内面に取り付けた保温
材21および内部ケーシング19を建設現場え付け後の
完成品の寸法でそれぞれ組み込み、また、さらに上部ケ
ーシング20の上にはH型鋼からなる伝熱管パネル支持
梁22を所定本数取付け、該支持梁22に対応する上部
ケーシング20の内側に上部管寄せ7を支持するための
サポート11を設ける。前記各部品を輸送フレーム24
内に囲むようにして取り付けて一つのブロック25とす
る。
Each block 25 has 3 to 8 finned heat transfer tube panels 23, an upper connecting pipe 9, an upper casing 20, and an upper casing through which a fluid to be heated flows between the adjacent heat transfer pipes of another block 25. The heat insulating material 21 and the inner casing 19 attached to the inner surface are respectively incorporated in the size of the finished product after the construction site is attached, and a predetermined number of heat transfer tube panel support beams 22 made of H-shaped steel are attached on the upper casing 20. A support 11 for supporting the upper header 7 is provided inside the upper casing 20 corresponding to the support beam 22. The transportation frame 24
The block 25 is attached so as to surround the inside to form one block 25.

【0020】HRSGケーシング1の内部に配置される
伝熱管パネル23は上部ケーシング20に取り付ける支
持梁22に吊り下げて支持されるだけであり、輸送フレ
ーム24で固定していないと輸送中の揺れで損傷するお
それがある。
The heat transfer tube panel 23 disposed inside the HRSG casing 1 is only supported by suspending it from the support beam 22 attached to the upper casing 20, and if it is not fixed by the transportation frame 24, it will be shaken during transportation. May be damaged.

【0021】本実施の形態では図6に示すように防振サ
ポート18と輸送フレーム24の間に揺れ止め用固定ボ
ルト26を配置する。輸送フレーム24の外側から防振
サポート18の端部に向けて押圧可能な揺れ止め用固定
ボルト26を押し当てた後、ロックナット27で締め付
けて伝熱管パネル23を防振サポート18を介して輸送
フレーム24に固定する(図6(a))。HRSG建設
現地でブロック25を据え付ける際に、このロックナッ
ト27の締付けをゆるめて前記固定ボルト26の防振サ
ポート18への押圧を解除してブロック25を輸送フレ
ーム24から取り外す(図6(b))。
In this embodiment, as shown in FIG. 6, an anti-sway fixing bolt 26 is arranged between the vibration-proof support 18 and the transportation frame 24. After pressing the anti-vibration fixing bolt 26 that can be pressed from the outside of the transportation frame 24 toward the end of the anti-vibration support 18, the lock nut 27 is tightened to transport the heat transfer tube panel 23 through the anti-vibration support 18. It is fixed to the frame 24 (FIG. 6A). When the block 25 is installed at the site of HRSG construction, the block nut is removed from the transport frame 24 by loosening the lock nut 27 and releasing the pressing of the fixing bolt 26 against the anti-vibration support 18 (FIG. 6B). ).

【0022】また、図示していないが、輸送フレーム2
4と防振サポート18の端部の間隔に相当する長さのプ
レートを有する固定部材を輸送フレーム24と防振サポ
ート18の両方に溶接しておき、輸送後はこの固定部材
を切断することでも良い。
Although not shown, the transportation frame 2
It is also possible to weld a fixing member having a plate having a length corresponding to the distance between the end portion of the vibration isolating support 18 and the vibration damping support 18 to both the transport frame 24 and the antivibration support 18, and cut the fixing member after transportation. good.

【0023】さらに、輸送フレーム24と防振サポート
18の端部の間隔に相当する厚みの木材などのプレート
を、前記間隔に差し込んでおき、輸送後は、このプレー
トを抜き出すことでも良い。
It is also possible to insert a plate of wood or the like having a thickness corresponding to the distance between the transportation frame 24 and the end portion of the anti-vibration support 18 into the above distance, and to remove this plate after transportation.

【0024】また、伝熱管パネル23が振動しないよう
に、砂、ゲル材等の充填物を輸送フレーム24の内側の
伝熱管パネル23の要所要所に充填しておき、輸送後
は、この充填物を抜き出すことでも良い。
Further, in order to prevent the heat transfer tube panel 23 from vibrating, a filling material such as sand or gel material is filled in the required places of the heat transfer tube panel 23 inside the transportation frame 24, and after the transportation, this filling is performed. You can also pull things out.

【0025】また、図7に示すような幅が変更可能な一
対のロッド31にそれぞれ回動自在に支持された橋掛け
アーム28を複数取付けてハシゴ状にし、カム29付き
のレバー30を一方のロッド31に設けられた回動中心
を中心に回動させて一対のロッド31の間隔を変更でき
る固定部材32を用意しておき、輸送フレーム24と防
振サポート18の端部の間隔に、この固定部材32を差
し込み、カム付きレバー30を操作して一対のロッド3
1の間隔を調整して輸送フレーム24と防振サポート1
8を固定し、輸送後にもカム付きレバー30の調整で固
定部材32を取り外す方法でも良い。
Further, a plurality of bridge arms 28 rotatably supported by a pair of rods 31 each having a variable width as shown in FIG. 7 are attached to form a ladder shape, and a lever 30 with a cam 29 is provided on one side. A fixing member 32 that can be rotated around a rotation center provided on the rod 31 to change the distance between the pair of rods 31 is prepared, and the fixing member 32 is provided at the distance between the transport frame 24 and the end portion of the vibration isolation support 18. Insert the fixing member 32 and operate the lever 30 with cam to operate the pair of rods 3.
Adjusting the interval of 1 for transportation frame 24 and vibration isolation support 1
8 may be fixed, and the fixing member 32 may be removed by adjusting the lever 30 with a cam even after transportation.

【0026】ブロック25内の上部ケーシング20はH
RSGのケーシング1の天井部分を構成するケーシング
部材であり、図8に示すようにHRSGの建設現場では
天井部分を除いたケーシング部材でHRSGのケーシン
グ1を予め建設しておく(図8はケーシング1のコーナ
部のみを示す。)。該ケーシング1は側面ケーシング1
a、1bと底面ケーシング1cからなるが、保温材21
がそれぞれ側面ケーシング1a、1b及び底面ケーシン
グ1cの内面に張り付けられており、それぞれが図示し
ないH型鋼で構成される枠構造物で補強されている。H
RSG天井部にはケーシングが無く、天井部のケーシン
グ1は各ブロック25の上部ケーシング20を繋ぎ合わ
せて構成する。なお、ブロック25内の保温材21はH
RSGのケーシング1に張り付けられる保温材13を構
成する部材であり、同様にブロック25内の内部ケーシ
ング19はHRSGの内部ケーシング12を構成する部
材である。
The upper casing 20 in the block 25 is H
It is a casing member that constitutes the ceiling portion of the RSG casing 1. As shown in FIG. 8, at the HRSG construction site, the casing member excluding the ceiling portion is used to construct the HRSG casing 1 in advance. Only the corner part of is shown.) The casing 1 is a side casing 1
a and 1b and a bottom casing 1c, but the heat insulating material 21
Are attached to the inner surfaces of the side surface casings 1a, 1b and the bottom surface casing 1c, respectively, and are reinforced with a frame structure made of H-shaped steel (not shown). H
There is no casing in the RSG ceiling portion, and the casing 1 in the ceiling portion is configured by connecting the upper casings 20 of the blocks 25 together. The heat insulating material 21 in the block 25 is H
It is a member constituting the heat insulating material 13 attached to the RSG casing 1, and similarly, the inner casing 19 in the block 25 is a member constituting the HRSG inner casing 12.

【0027】各ブロック25の上部ケーシング20を繋
ぎ合わせるためためのH型鋼からなる支持部材を兼ねた
天井部支持梁33、34を前記建設現場のケーシング1
の天井面に予め格子状に設けておく。
The ceiling support beams 33 and 34, which also serve as support members made of H-shaped steel for connecting the upper casings 20 of the blocks 25, are mounted on the casing 1 of the construction site.
It is provided in a grid pattern on the ceiling surface of.

【0028】HRSGの建設現場に到着したブロック2
5は順次、ケーシング1の天井部分の支持梁33、34
の間のケーシング1の開口部に上方からクレーンで挿入
されるが、その前に現場に到着したブロック25は、図
9に示すように、ブロック立て起こし治具37に載せら
れる(図9(a))。次いでブロック立て起こし治具3
7にブロックの要所を固定して(図9(b))、ブロッ
ク25の吊り上げに障害となる輸送フレーム部分Sを撤
去し、同時に輸送時の揺れ止め用の固定部材も撤去する
(図9(c))。
Block 2 arrives at the HRSG construction site
5 are support beams 33, 34 on the ceiling of the casing 1 in order.
The block 25 is inserted from above into the opening of the casing 1 between them by a crane, but the block 25 that has arrived at the site before that is placed on the block raising jig 37 as shown in FIG. )). Next, the block raising jig 3
The key points of the block are fixed to 7 (FIG. 9 (b)), the transportation frame portion S that obstructs the lifting of the block 25 is removed, and at the same time, the fixing member for preventing the shaking during transportation is also removed (FIG. 9). (C)).

【0029】前記立て起こし治具37の設置場所では、
立て起こし治具37の長手方向がHRSGケーシング1
の長手方向、すなわちHRSGのガス流路に沿う方向に
配置される。従って、図10のHRSGの側面図に示す
ように、立て起こし治具37の先端に取り付けられてい
る吊り天秤38にクレーンのワイヤを係止させて、ブロ
ック25の上部ケーシング20側を上方に吊り上げる。
このとき立て起こし治具37の基部側を中心に回動する
ようにクレーンにより立て起こし治具37が吊り上げら
れ、立て起こし治具37の長手部分が地面に対して垂直
に向いた時点で立て起こし治具37の伝熱管パネルのガ
ス流れに垂直となる面(幅広の平面)がHRSGの側面
ケーシング1aに直交しているので、図11のHRSG
の平面図に示すように立て起こし治具37をクレーンに
より90度回転させて、立て起こし治具37のガス流れ
に垂直となる面(幅広の平面)(HRSGの平面図)を
ケーシング側面に沿わせた後、立て起こし治具37を側
面ケーシング1aに仮止めする。
At the place where the raising jig 37 is installed,
The longitudinal direction of the stand-up jig 37 is the HRSG casing 1.
In the longitudinal direction, that is, in the direction along the gas flow path of HRSG. Therefore, as shown in the side view of the HRSG of FIG. 10, the crane wire is locked to the suspension balance 38 attached to the tip of the upright jig 37, and the upper casing 20 side of the block 25 is lifted upward. .
At this time, the raising and lowering jig 37 is lifted by a crane so as to rotate around the base side of the raising and lowering jig 37, and is raised when the longitudinal portion of the raising and lowering jig 37 is perpendicular to the ground. Since the surface of the jig 37 perpendicular to the gas flow (wide flat surface) of the heat transfer tube panel is orthogonal to the side casing 1a of the HRSG, the HRSG of FIG.
As shown in the plan view of Fig. 2, the raising jig 37 is rotated by 90 degrees with a crane, and the surface (wide plane) perpendicular to the gas flow of the raising jig 37 (plan view of HRSG) is aligned with the side surface of the casing. Then, the upright jig 37 is temporarily fixed to the side casing 1a.

【0030】こうして、図12に示すように立て起こし
治具37がケーシング側面に安定して支持された状態
で、吊り天秤38を吊り上げていたクレーンの吊り対象
をブロック25の上部支持梁に掛け代えてブロック25
のみをクレーンで吊り上げる。このときブロック25の
ガス流れに垂直となる面がHRSGのガス流れ方向と平
行な向きにあるので、再び吊り上げた状態で90度ブロ
ック25を回転させてHRSGのケーシングの天井部の
開口に挿入するように降下させる。
In this way, as shown in FIG. 12, the hoisting jig 37 is stably supported on the side surface of the casing, and the object to be hung by the crane that has hung the suspension balance 38 is hung on the upper support beam of the block 25. Block 25
Only lift the chisel with a crane. At this time, since the surface of the block 25 perpendicular to the gas flow is parallel to the gas flow direction of the HRSG, the block 25 is rotated again 90 degrees and inserted into the opening of the ceiling of the casing of the HRSG. To descend.

【0031】図13(a)にはHRSGのケーシング1
の天井部の一つの開口からケーシング1内に挿入したブ
ロック25の上部ケーシング20付近の側面図(伝熱管
パネル部分取付後の図8のA−A線切断面図)を示す。
HRSGケーシング1の天井部に設けられたH型鋼から
なる一対の天井部支持梁33の間にブロック25は降り
てくるが、ケーシング1の天井部支持梁33の側面に予
め設けられた支持片36に重ね合わされる位置にブロッ
ク25の上部支持梁22を配置して支持梁22と支持片
36をリベットで接続して、さらにブロック25の上部
ケーシング20と支持梁33の間隙部分に当てた鋼板3
9に上部ケーシング20と支持梁33を溶接接続する。
FIG. 13A shows the HRSG casing 1.
Fig. 9 is a side view of the vicinity of the upper casing 20 of the block 25 inserted into the casing 1 through one opening of the ceiling part of Fig. 8 (a sectional view taken along line AA in Fig. 8 after the heat transfer tube panel is partially attached).
Although the block 25 comes down between a pair of ceiling support beams 33 made of H-shaped steel provided on the ceiling of the HRSG casing 1, a support piece 36 previously provided on the side surface of the ceiling support beam 33 of the casing 1 is provided. The upper support beam 22 of the block 25 is arranged at a position to be overlapped with the support beam 22, the support beam 22 and the support piece 36 are connected by a rivet, and the steel plate 3 is applied to the gap between the upper casing 20 of the block 25 and the support beam 33.
The upper casing 20 and the support beam 33 are welded and connected to 9.

【0032】図13(b)に示すようにケーシング1の
H型鋼からなる一対の支持梁33の下に予め鋼板39を
溶接しておき、ケーシング1の支持梁33の側面に設け
た支持片36とブロック25の上部支持梁22をリベッ
トで接続した後、ブロック25の上部ケーシング20と
鋼板39の間隙部分に当てた鋼板40で上部ケーシング
20と鋼板39を溶接接続しても良い。この場合はケー
シング天井部の上側から溶接作業ができ、接続作業性が
良くなる。
As shown in FIG. 13B, a steel plate 39 is previously welded under a pair of support beams 33 made of H-shaped steel of the casing 1, and a support piece 36 provided on the side surface of the support beam 33 of the casing 1. After connecting the upper support beam 22 of the block 25 with a rivet, the upper casing 20 and the steel plate 39 may be welded to each other with a steel plate 40 applied to a gap between the upper casing 20 of the block 25 and the steel plate 39. In this case, the welding work can be performed from the upper side of the casing ceiling, and the connection workability is improved.

【0033】こうして、前記伝熱管パネルブロック25
を現地で据え付けることでHRSGのケーシング1と共
に伝熱管群の設置が完了することになる。また本実施の
形態により、HRSGのケーシング1の内部上方での危
険な建設作業が無くなり、足場の設置、及びその解体作
業も不要となり、HRSGのケーシング1に容易に、か
つ短時間で伝熱管パネル23を設置できるので短い工期
でHRSGを建設できる。
Thus, the heat transfer tube panel block 25
The installation of the heat transfer tube group together with the casing 1 of the HRSG will be completed by installing on the site. Further, according to the present embodiment, the dangerous construction work above the inside of the HRSG casing 1 is eliminated, the scaffold installation and the dismantling work thereof are also unnecessary, and the heat transfer tube panel can be easily and quickly provided to the HRSG casing 1. Since 23 can be installed, HRSG can be constructed in a short construction period.

【0034】[0034]

【発明の効果】本発明によれば、排熱回収ボイラの各構
成機器をブロック化して工場内で製造し、各ブロックを
現地に輸送して組み立てることで、様々な仕様に迅速に
対応でき、複合発電プラントの計画から据え付け・試運
転までの工程を合理化しつつ品質が高く信頼性のある排
熱回収ボイラを提供することができる。
According to the present invention, each component of the exhaust heat recovery boiler is made into a block and manufactured in a factory, and each block is transported to the site and assembled, thereby quickly responding to various specifications. It is possible to provide a high quality and reliable exhaust heat recovery boiler while rationalizing the process from planning of the combined cycle power plant to installation and commissioning.

【図面の簡単な説明】[Brief description of drawings]

【図1】 助燃バーナを内部に備えた横型排熱回収ボイ
ラの概略構成図である。
FIG. 1 is a schematic configuration diagram of a horizontal exhaust heat recovery boiler having an auxiliary combustion burner inside.

【図2】 ボイラのガス流れ方向に直交する断面を見た
HRSGのケーシング内部に配置される伝熱管群の構成
図である。
FIG. 2 is a configuration diagram of a heat transfer tube group arranged inside the HRSG casing as seen in a cross section orthogonal to the gas flow direction of the boiler.

【図3】 ボイラのガス流れ方向の断面を見たHRSG
のケーシング内部に配置される伝熱管群の構成図であ
る。
FIG. 3 HRSG showing a cross section in the gas flow direction of a boiler
2 is a configuration diagram of a heat transfer tube group arranged inside the casing of FIG.

【図4】 伝熱管パネルブロックの斜視図である。FIG. 4 is a perspective view of a heat transfer tube panel block.

【図5】 伝熱管パネルブロックの上管寄せと上部ケー
シング部分の斜視図である。
FIG. 5 is a perspective view of an upper casing and a upper casing portion of the heat transfer pipe panel block.

【図6】 伝熱管パネルブロックの揺れ止め固定部材の
側面図である。
FIG. 6 is a side view of an anti-sway fixing member of the heat transfer tube panel block.

【図7】 伝熱管パネルブロックの揺れ止め固定部材の
側面図である。
FIG. 7 is a side view of an anti-sway fixing member of the heat transfer tube panel block.

【図8】 HRSGの建設現場に予め建設されたケーシ
ングの斜視図である。
FIG. 8 is a perspective view of a casing pre-built at the HRSG construction site.

【図9】 ブロック立て起こし治具にブロックを載置す
る様子を示す側面図である。
FIG. 9 is a side view showing a state in which the block is placed on the block raising jig.

【図10】 立て起こし治具によりブロックを吊り上げ
る様子を示す側面図である。
FIG. 10 is a side view showing a state in which a block is lifted by a raising jig.

【図11】 立て起こし治具によりブロックを吊り上げ
る様子を示す平面図である。
FIG. 11 is a plan view showing how a block is lifted by a raising jig.

【図12】 立て起こし治具をケーシング側面に支持さ
せた状態で、ブロックのみをクレーンで吊り上げる様子
を示す図である。
FIG. 12 is a diagram showing a state in which only a block is lifted by a crane, with a stand-up jig supported on a side surface of a casing.

【図13】 HRSGのケーシングの天井部の一つの開
口からケーシング内に挿入したブロックの上部ケーシン
グ付近の側面図(伝熱管パネル部分取付後の図8のA−
A線切断面図)である。
FIG. 13 is a side view of the vicinity of the upper casing of the block inserted into the casing from one opening of the ceiling of the HRSG casing (A- in FIG. 8 after the heat transfer tube panel is partially attached).
It is a sectional view taken along line A).

【符号の説明】[Explanation of symbols]

1 ケーシング 1a、1b 側面
ケーシング 1c 底面ケーシング 2 助燃バーナ 3 伝熱管群 6 伝熱管 7 上部管寄せ 8 下部管寄せ 9 上部連絡管 10 下部連絡管 11 管寄せサポ
ート 12 内部ケーシング 13 保温材 16 フィン 18 防振サポー
ト 19 内部ケーシング 20 上部ケーシ
ング 21 保温材 20 ブロックの
上部ケーシング 22 伝熱管パネル支持梁 23 伝熱管パネ
ル 24 輸送フレーム 25 ブロック 26 揺れ止め用固定ボルト 27 ロックナッ
ト 28 橋掛けアーム 29 カム 30 カム付きレバー 31 ロッド 32 揺れ止め用固定部材 33、34 HRSGの天井部支持梁 36 天井部支持梁の支持片 37 立て起こし
治具 38 吊り天秤 39、40 鋼板 G 排ガス
DESCRIPTION OF SYMBOLS 1 casing 1a, 1b side casing 1c bottom casing 2 auxiliary combustion burner 3 heat transfer tube group 6 heat transfer tube 7 upper pipe header 8 lower pipe header 9 upper communication pipe 10 lower communication pipe 11 pipe adjustment support 12 inner casing 13 heat insulating material 16 fins 18 protection Shaking support 19 Inner casing 20 Upper casing 21 Heat insulating material 20 Block upper casing 22 Heat transfer tube panel support beam 23 Heat transfer tube panel 24 Transport frame 25 Block 26 Steady fixing bolt 27 Lock nut 28 Bridge arm 29 Cam 30 Lever with cam 31 rod 32 fixed members 33, 34 HRSG ceiling support beam 36 ceiling support beam support piece 37 stand-up jig 38 suspension balance 39, 40 steel plate G exhaust gas

───────────────────────────────────────────────────── フロントページの続き (72)発明者 武蔵 貢 広島県呉市宝町6番9号 バブコック日立 株式会社呉事業所内   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Mitsugu Musashi             Babcock Hitachi 6-9 Takaracho, Kure City, Hiroshima Prefecture             Kure Office Co., Ltd.

Claims (5)

【特許請求の範囲】[Claims] 【請求項1】 排ガスがほぼ水平方向に流れるガス流路
を構成するケーシング内に伝熱管群を配置して蒸気を発
生させる排熱回収ボイラの建設方法であって、 伝熱管群と該伝熱管群の管寄せとからなる伝熱管パネル
と該伝熱管パネルの上方に設けた上部ケーシングと該上
部ケーシングの上面に設けられた前記伝熱管パネル支持
梁を含む部材を輸送フレーム内に収納して得られるブロ
ックを排熱回収ボイラの設計仕様に従って必要なサイズ
と個数分作製し、 予め排熱回収ボイラの建設現場において天井部支持梁部
分を含む支持構造部材と天井部以外の排熱回収ボイラの
側面ケーシングと底面ケーシングを建設しておき、 前記各ブロックを排熱回収ボイラの建設現場において各
天井部の隣接する支持梁間に上方から吊り降ろすことで
天井部支持梁の設置高さに各ブロックの伝熱管パネル支
持梁を配置して両方の支持梁を接続用の鋼板を介して接
続固定することを特徴とする排熱回収ボイラの建設方
法。
1. A method for constructing an exhaust heat recovery boiler in which a heat transfer tube group is arranged in a casing that constitutes a gas flow path in which exhaust gas flows in a substantially horizontal direction to generate steam, the heat transfer tube group and the heat transfer tube. A heat transfer tube panel composed of a group of pipes, an upper casing provided above the heat transfer tube panel, and a member including the heat transfer tube panel support beam provided on the upper surface of the upper casing are housed in a transportation frame. The required size and number of blocks are manufactured according to the design specifications of the exhaust heat recovery boiler, and at the construction site of the exhaust heat recovery boiler, the supporting structure members including the ceiling support beams and the side surfaces of the exhaust heat recovery boiler other than the ceiling part are prepared in advance. A casing and a bottom casing are constructed in advance, and at the construction site of the exhaust heat recovery boiler, the blocks are suspended from above between the adjacent support beams of each ceiling part to support the ceiling support beams. A method for constructing an exhaust heat recovery boiler, characterized in that a heat transfer tube panel support beam of each block is arranged at the installation height of the block, and both support beams are connected and fixed via a connecting steel plate.
【請求項2】 排熱回収ボイラの建設現場において各ブ
ロックのガス流れに垂直となる面を上下方向に配置して
立て起こし治具上に仮止めし、 各ブロックを載置した前記立て起こし治具を排熱回収ボ
イラの側面ケーシングの側面に隣接位置においてクレー
ンにより、立て起こし治具の長手方向が鉛直方向に向く
ように立て掛け、 次いで、各ブロックのガス流れと垂直になる面が排熱回
収ボイラの側面ケーシングに沿うように配置して前記立
て起こし治具を側面ケーシングに仮止めし、 クレーンの吊り上げ対象を、側面ケーシングに仮止めし
た立て起こし治具の内部に載置されているブロックの伝
熱管パネル支持梁に代え、該ブロックを上方に吊り上げ
て立て起こし治具から外し、 排熱回収ボイラのケーシングの隣接する天井部支持梁の
間隙部に上方からブロックを吊り下げることを特徴とす
る請求項1記載の排熱回収ボイラの建設方法。
2. In a construction site of an exhaust heat recovery boiler, a surface vertical to a gas flow of each block is arranged in a vertical direction and temporarily fixed on a raising jig, and each of the blocks is placed on the raising and curing position. The tool is leaned by a crane at a position adjacent to the side surface of the side casing of the exhaust heat recovery boiler so that the longitudinal direction of the raising and raising jig is oriented in the vertical direction, and then the surface perpendicular to the gas flow of each block recovers the exhaust heat. Place the jig along the side casing of the boiler to temporarily fix the raising jig to the side casing, and set the lifting target of the crane to the inside of the raising jig temporarily fixed to the side casing. Instead of the heat transfer tube panel support beam, lift the block upward and remove it from the jig to raise the gap between the adjacent ceiling support beams of the casing of the exhaust heat recovery boiler. Construction method of heat recovery boiler according to claim 1, wherein the suspending the blocks from above.
【請求項3】 天井部支持梁の設置高さに各ブロックの
伝熱管パネル支持梁を配置して前記両方の支持梁を接続
用の第一の鋼板を介して接続固定した後に、各ブロック
の上部ケーシングと天井部支持梁の間にできる間隙を第
二の鋼板で塞いで、前記上部ケーシング、天井部支持梁
および第二の鋼板を溶接接続することを特徴とする請求
項1記載の排熱回収ボイラの建設方法。
3. A heat transfer tube panel support beam of each block is arranged at the installation height of a ceiling support beam, and both support beams are connected and fixed via a first steel plate for connection, and then each block is supported. 2. The exhaust heat according to claim 1, wherein the gap formed between the upper casing and the ceiling support beam is closed with a second steel plate, and the upper casing, the ceiling support beam and the second steel plate are welded and connected. How to construct a recovery boiler.
【請求項4】 各ブロックの上部ケーシングの下方には
保温材を設け、また上部管寄せには蒸気または水を流通
させる連絡管を設け、各ブロックの上部ケーシングと上
部管寄せの間であって、伝熱管パネル支持梁の下面にも
しくは伝熱管パネル支持梁から吊り下げるように管寄せ
サポートを設けたことを特徴とする請求項1記載の排熱
回収ボイラの建設方法。
4. A heat insulating material is provided below the upper casing of each block, and a communication pipe for allowing steam or water to flow is provided in the upper header, and a space between the upper casing and the upper header of each block is provided. 2. The method for constructing an exhaust heat recovery boiler according to claim 1, further comprising a pipe pulling support provided on the lower surface of the heat transfer tube panel support beam or so as to be hung from the heat transfer tube panel support beam.
【請求項5】 伝熱管群と該伝熱管群の管寄せとからな
る伝熱管パネルと該伝熱管パネルの上方に設けた上部ケ
ーシングと該上部ケーシングの上面に設けられた前記伝
熱管パネル支持梁を含む部材と、前記部材群を囲う剛体
からなる輸送フレームとを一ブロック単位として、前記
一ブロック単位の伝熱管パネルには伝熱管群の長手方向
を横断する方向に隣接する伝熱管同士の接触を防ぐため
に所定間隔で配置される防振サポートと、該防振サポー
トの端部と輸送フレームとの間に配置される揺れ止め用
固定部材とを備えた排熱回収ボイラ建設用の伝熱管パネ
ルブロック。
5. A heat transfer tube panel consisting of a heat transfer tube group and a header of the heat transfer tube group, an upper casing provided above the heat transfer tube panel, and the heat transfer tube panel support beam provided on an upper surface of the upper casing. And a transport frame made of a rigid body that surrounds the member group as one block unit, the heat transfer tube panel of each block unit is in contact with adjacent heat transfer tubes in a direction transverse to the longitudinal direction of the heat transfer tube group. Transfer tube panel for constructing an exhaust heat recovery boiler, comprising: a vibration-isolating support arranged at a predetermined interval in order to prevent the vibration, and a shake-stopping fixing member arranged between the end of the vibration-isolating support and the transportation frame. block.
JP2002023971A 2002-01-31 2002-01-31 Exhaust heat recovery boiler construction method Expired - Lifetime JP3970619B2 (en)

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JP2003222302A true JP2003222302A (en) 2003-08-08
JP3970619B2 JP3970619B2 (en) 2007-09-05

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7357100B2 (en) 2003-07-30 2008-04-15 Babcock-Hitachi Kabushiki Kaisha Heat exchanger tube panel module, and method of constructing exhaust heat recovery boiler using the same
JP2008138918A (en) * 2006-11-30 2008-06-19 Babcock Hitachi Kk Erecting tool and erecting method of heavy construction
JP2012180958A (en) * 2011-02-28 2012-09-20 Mitsubishi Heavy Ind Ltd Heat exchanger
JP2015152208A (en) * 2014-02-13 2015-08-24 株式会社Ihi exhaust heat recovery boiler
JP2015200447A (en) * 2014-04-07 2015-11-12 株式会社Ihi Exhaust heat recovery boiler and assembling method for the same
KR101871907B1 (en) * 2010-04-22 2018-06-27 풀 부르스 에스.에이. modular heat pipe heat exchanger
JP2021139514A (en) * 2020-03-02 2021-09-16 三菱パワー株式会社 Waste heat collection boiler, connecting tool and construction method of waste heat collection boiler

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7357100B2 (en) 2003-07-30 2008-04-15 Babcock-Hitachi Kabushiki Kaisha Heat exchanger tube panel module, and method of constructing exhaust heat recovery boiler using the same
JP2008138918A (en) * 2006-11-30 2008-06-19 Babcock Hitachi Kk Erecting tool and erecting method of heavy construction
KR101871907B1 (en) * 2010-04-22 2018-06-27 풀 부르스 에스.에이. modular heat pipe heat exchanger
JP2012180958A (en) * 2011-02-28 2012-09-20 Mitsubishi Heavy Ind Ltd Heat exchanger
JP2015152208A (en) * 2014-02-13 2015-08-24 株式会社Ihi exhaust heat recovery boiler
JP2015200447A (en) * 2014-04-07 2015-11-12 株式会社Ihi Exhaust heat recovery boiler and assembling method for the same
JP2021139514A (en) * 2020-03-02 2021-09-16 三菱パワー株式会社 Waste heat collection boiler, connecting tool and construction method of waste heat collection boiler
JP7316238B2 (en) 2020-03-02 2023-07-27 三菱重工業株式会社 Exhaust heat recovery boiler, connector, construction method of exhaust heat recovery boiler

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