WO2017179620A1 - Structure de tuyauterie et système de chaudière - Google Patents

Structure de tuyauterie et système de chaudière Download PDF

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Publication number
WO2017179620A1
WO2017179620A1 PCT/JP2017/014982 JP2017014982W WO2017179620A1 WO 2017179620 A1 WO2017179620 A1 WO 2017179620A1 JP 2017014982 W JP2017014982 W JP 2017014982W WO 2017179620 A1 WO2017179620 A1 WO 2017179620A1
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WO
WIPO (PCT)
Prior art keywords
pipe
piping
deformation
cross
steel frame
Prior art date
Application number
PCT/JP2017/014982
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English (en)
Japanese (ja)
Inventor
邦宏 森下
基規 加藤
将樹 下野
Original Assignee
三菱日立パワーシステムズ株式会社
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 三菱日立パワーシステムズ株式会社 filed Critical 三菱日立パワーシステムズ株式会社
Publication of WO2017179620A1 publication Critical patent/WO2017179620A1/fr

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H5/00—Buildings or groups of buildings for industrial or agricultural purposes
    • E04H5/02—Buildings or groups of buildings for industrial purposes, e.g. for power-plants or factories
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
    • F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L27/00—Adjustable joints, Joints allowing movement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L27/00—Adjustable joints, Joints allowing movement
    • F16L27/10—Adjustable joints, Joints allowing movement comprising a flexible connection only, e.g. for damping vibrations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B37/00—Component parts or details of steam boilers
    • F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
    • F22B37/10—Water tubes; Accessories therefor

Definitions

  • the present invention relates to a piping structure and a boiler system.
  • Patent Document 1 describes a seismic isolation device that reduces the acting seismic force.
  • seismic isolation characteristics are set in accordance with the magnitude of the horizontal reaction force generated in the columns constituting the supporting steel frame.
  • a pipe through which high-temperature and high-pressure steam supplied to equipment such as a turbine flows is connected to the boiler.
  • the boiler is supported by a support structure having a seismic isolation device
  • the horizontal displacement of the support steel frame supported by the seismic isolation device increases, so there is a problem between the boiler side piping and the turbine side piping.
  • Large deformation occurs in the piping.
  • a structure that allows deformation using a universal joint or the like is known.
  • the fluid flowing through the pipe is high pressure, there is a possibility that fluid leakage may occur. was there.
  • the present invention absorbs deformation of the pipe even when the relative position between the first facility supported by the seismic isolation device and the second facility not supported by the seismic isolation device varies greatly. It is an object of the present invention to provide a piping structure and a boiler system that can be used.
  • the pipe structure is a pipe fixed to a support structure having a support steel frame that supports the first equipment and a seismic isolation device that supports the support steel frame.
  • a pipe structure having a pipe connecting the first equipment and the second equipment not supported by the seismic isolation device, the pipe structure and a deformation absorbing portion provided in the pipe.
  • the deformation applied to the piping structure can be absorbed by the deformation absorbing portion.
  • the piping includes a first piping on the first facility side and a second piping on the second facility side, and the deformation absorbing portion is an end of the first piping.
  • a first intersecting pipe extending in a direction intersecting the first pipe from a part
  • a second intersecting pipe extending in a direction intersecting the second pipe from an end of the second pipe.
  • an angle formed by the first pipe and the first cross pipe, an angle formed by the first cross pipe and the connection pipe, an angle formed by the connection pipe and the second cross pipe, and The angles formed by the second intersecting pipe and the second pipe may each be a right angle.
  • the deformation absorbing portion can be formed in a compact manner.
  • an angle formed between the first piping and the first intersecting piping, and an angle formed between the second intersecting piping and the second piping are obtuse angles, and the connection piping is the first You may extend in the direction along one piping and said 2nd piping.
  • the pressure loss of the fluid flowing through the pipe can be reduced.
  • the piping and the first intersecting piping, the first intersecting piping and the connecting piping, the connecting piping and the second intersecting piping, and the second intersecting piping and the piping are connected by an elbow. At least one of the elbows may behave less rigid than the pipe.
  • the deformation absorbing portion can be formed more compactly.
  • the boiler system is supported by the support steel frame that supports the first equipment, the support structure that includes the seismic isolation device that supports the support steel frame, and the seismic isolation device.
  • the above pipe structure having a pipe having an upper and lower pipe extending in the vertical direction and a horizontal pipe extending in the horizontal direction, and the deformation absorbing portion includes the upper and lower pipes and the pipe. It is provided in the vicinity of the connection with the horizontal pipe.
  • the clearance between the supporting steel frame and the pipe may be set to about 1.0 to 1.5 times the deformation amount of the pipe calculated based on the analysis.
  • a shock absorber may be provided in at least one of the maximum deformation portion of the pipe determined based on the analysis and the corresponding portion of the maximum deformation portion in the support steel frame.
  • the deformation applied to the piping structure can be absorbed by the deformation absorbing portion.
  • the boiler system 10 of the present embodiment includes a boiler 11 (first equipment), a turbine 12 (second equipment), and a pipe 2 that connects the boiler 11 and the turbine 12.
  • Structure 1 is provided.
  • the boiler 11 includes a boiler body 13 and a boiler support structure 14 that supports the boiler body 13.
  • the boiler support structure 14 is provided on the foundation 15, and includes a support steel frame 16 and a plurality of seismic isolation devices 17 that support the support steel frame 16.
  • the support steel frame 16 is configured by combining a plurality of columns 18 extending in the vertical direction, a plurality of beams 19 extending in the horizontal direction, and a plurality of vertical braces 20.
  • the boiler support structure 14 is erected on the foundation 15 via a column base 18 a that is a terminal portion of the column 18 constituting the support steel frame 16.
  • the boiler support structure 14 holds the boiler body 13 from the top of the support steel 16 via a plurality of suspension bars 22 fixed to the uppermost beam 19.
  • the boiler support structure 14 is provided with a support 23 that is bridged in the horizontal direction between the boiler body 13 and the column 18 located on the outermost periphery of the support steel frame 16 in order to restrict the displacement of the boiler body 13 in the horizontal direction.
  • a seismic isolation device 17 is installed between the base of each column base 18 a and the foundation 15.
  • the seismic isolation device 17 is formed of, for example, laminated rubber and the like.
  • the base 15 and the support steel 16 are separated from each other, and when an earthquake occurs, the vibration period of the support steel 16 is lengthened, thereby causing an earthquake.
  • This is a device that reduces the inertial force caused by, and reduces the input energy due to the earthquake to the support steel frame 16.
  • the seismic isolation device 17 may have a damper such as an oil damper.
  • the piping structure 1 has a piping 2 that connects the boiler 11 and the turbine 12 that is not supported by the seismic isolation device 17.
  • the pipe 2 extends along the pillar 18 of the support steel frame 16.
  • the pipe 2 is fixed to the column 18 of the support steel frame 16 by a pipe fixture 24.
  • high-temperature for example, exceeding about 550 ° C.
  • high-pressure for example, exceeding about 15 MPa
  • the pipe structure 1 includes a pipe 2 and a deformation absorbing portion 3 provided in the pipe 2.
  • the deformation absorbing unit 3 is a part that absorbs deformation generated in the pipe 2 when an earthquake occurs.
  • the vertical direction is the Z direction
  • one horizontal direction orthogonal to the Z direction is the X direction
  • the horizontal direction orthogonal to the Z direction and the X direction is the Y direction.
  • the pipe 2 includes a horizontal pipe 25 extending in the horizontal direction and an upper and lower pipe 26 extending in the vertical direction.
  • the horizontal pipe 25 is disposed at a position close to the seismic isolation device 17 in the vertical direction, and is fixed to the foundation 15 (see FIG. 1) or the turbine 12.
  • the upper and lower pipes 26 are fixed to the support steel frame 16 via the pipe fixing tool 24.
  • the upper and lower pipes 26 and the horizontal pipe 25 are connected to each other below the pipe fixture 24.
  • the upper and lower pipes 26 are supported by the seismic isolation device 17 through the pipe fixtures 24 and the support steel frames 16.
  • the deformation absorbing portion 3 of the present embodiment is provided below the pipe fixture 24 in the upper and lower pipes 26.
  • the pipe structure 1 includes a cylindrical pipe 2 and a deformation absorbing portion 3 provided on the pipe 2.
  • the pipe 2 is an upper and lower pipe 26 (see FIG. 2).
  • the pipe 2 has a first pipe 2a on the boiler 11 side and a second pipe 2b on the turbine 12 side.
  • the 1st piping 2a and the 2nd piping 2b are arrange
  • the first pipe 2a is disposed above the second pipe 2b.
  • the deformation absorber 3 is provided between the first pipe 2a and the second pipe 2b.
  • the deformation absorbing portion 3 includes a first intersecting pipe 5 extending in a direction intersecting the first pipe 2a from an end (lower end) of the first pipe 2a and an end (upper end) of the second pipe 2b.
  • a second cross pipe 6 extending in a direction crossing the second pipe 2b, and a connection pipe 7 connecting the end of the first cross pipe 5 and the end of the second cross pipe 6; Yes.
  • the pipe 2 and the pipe 2 are connected by an elbow 8.
  • the elbow 8 is a curved cylindrical member, and the elbow 8 of the present embodiment is formed so that pipes that intersect at an angle of 90 ° can be connected to each other.
  • An angle ⁇ 3 formed by 6 and an angle ⁇ 4 formed by the second intersecting pipe 6 and the second pipe 2b are substantially right angles (90 °).
  • the pipe 2 and the elbow 8 are made of a material that can be used at a temperature exceeding about 550 ° C., for example. Further, the sizes of the pipe 2 and the elbow 8 are selected to withstand pressures exceeding about 15 MPa.
  • the support steel frame 16 to which the pipe 2 is fixed moves in the X direction and the Y direction.
  • the first pipe 2a moves in the X direction.
  • the second pipe 2b hardly moves.
  • the displacement in the X direction of the first pipe 2 a is absorbed by the deformation absorbing unit 3.
  • the displacement in the X direction of the first pipe 2a is caused by the bending deformation of the first pipe 2a, the second pipe 2b, and the connection pipe 7, the torsional deformation of the first cross pipe 5 and the second cross pipe 6 and the like. Absorbed.
  • the first pipe 2a moves in the Y direction.
  • the second pipe 2b hardly moves.
  • the displacement in the Y direction of the first pipe 2 a is absorbed by the deformation absorbing unit 3.
  • the displacement in the Y direction of the first pipe 2a is absorbed by the bending deformation of the first pipe 2a, the second pipe 2b, the first cross pipe 5, the second cross pipe 6, the connection pipe 7, and the elbow 8. .
  • the deformation absorbing portion 3 absorbs displacement in two directions in the horizontal direction at the time of an earthquake by bending deformation and torsional deformation of the pipe 2 and bending deformation of the elbow 8.
  • transformation absorption part 3 in the piping structure 1 between the boiler 11 supported by the seismic isolation apparatus 17 by the earthquake, and the turbine 12 not supported by the seismic isolation apparatus 17 Even when the relative position fluctuates greatly, the deformation applied to the pipe 2 can be absorbed and the deformation amount of the pipe 2 can be allowed.
  • the 1st cross piping 5 extended in the direction which cross
  • transformation absorption part 3 the 1st cross piping 5 extended in the direction which cross
  • the deformation generated in the pipe 2 can be absorbed by bending deformation and torsional deformation of each pipe.
  • an angle ⁇ 1 formed by the first pipe 2a and the first cross pipe 5 an angle ⁇ 2 formed by the first cross pipe 5 and the connection pipe 7, an angle ⁇ 3 formed by the connection pipe 7 and the second cross pipe 6, and
  • the angle ⁇ 4 formed by the second intersecting pipe 6 and the second pipe 2b can be formed compactly.
  • the piping structure 1 of the present embodiment is configured only by the piping 2 and the elbow 8. Thereby, compared with the structure which absorbs a deformation
  • the deformation absorbing portion 3 of the present embodiment is provided in the vicinity of a connection portion between the horizontal pipe 25 and the upper and lower pipes 26.
  • the first pipe 2a and the second pipe 2b of the present embodiment extend in the horizontal direction. That is, the deformation absorbing portion 3 may be provided not only in the upper and lower pipes 26 but also in the horizontal pipe 25 as long as it is close to the connection portion with the upper and lower pipes 26.
  • the pipe 2 can be used even when the relative position between the boiler 11 and the turbine 12 varies greatly due to the earthquake. It is possible to allow the deformation amount of the pipe 2 by absorbing the deformation.
  • the deformation absorbing portion 3C of the present embodiment includes an angle ⁇ 1 formed by the first pipe 2a and the first intersecting pipe 5, an angle ⁇ 2 formed by the first intersecting pipe 5 and the connecting pipe 7, and a connection.
  • An angle ⁇ 3 formed by the pipe 7 and the second cross pipe 6 and an angle ⁇ 4 formed by the second cross pipe 6 and the second pipe 2b are obtuse angles (for example, about 120 °).
  • the elbow 8 has a shape corresponding to this angle.
  • the connection pipe 7 extends in a direction along the first pipe 2a and the second pipe 2b. That is, the first pipe 2a, the second pipe 2b, and the connection pipe 7 are parallel to each other.
  • the pressure loss of the steam flowing through the pipe 2 can be reduced.
  • the elbow 8 is not used, and the pipe 2 and the deformation absorbing portion 3 may have a seamless structure. Thereby, each piping 2 can be connected more smoothly and the pressure loss of steam can be reduced more.
  • the piping structure 1 of the fourth embodiment of the present invention will be described in detail with reference to the drawings.
  • differences from the first embodiment described above will be mainly described, and description of similar parts will be omitted.
  • the length L2 of the first intersecting pipe 5, the second intersecting pipe 6, and the connecting pipe 7 of the deformation absorbing portion 3D of the present embodiment is the same as the length of the deformation absorbing portion 3 of the first embodiment. It is shorter than the length L1 (see FIG. 3) of the first cross pipe 5, the second cross pipe 6, and the connection pipe 7.
  • the elbow 8 of the present embodiment is formed so as to exhibit a behavior with lower rigidity than the first intersecting pipe 5, the second intersecting pipe 6, and the connecting pipe 7.
  • the elbow 8 of the present embodiment is thinner than the first intersecting pipe 5, the second intersecting pipe 6, and the connecting pipe 7.
  • the elbow 8 of the present embodiment is less rigid than the elbow 8 of the first embodiment. According to the said embodiment, the deformation
  • the method of reducing the rigidity of the elbow 8 is not limited to this.
  • the material of the elbow 8 may be changed to a material that can be bent more easily.
  • the diameter of only the elbow 8 may be reduced.
  • the size of the deformation absorbing portion 3, that is, the length of the first intersecting pipe 5, the second intersecting pipe 6, and the connecting pipe 7, is the deformation amount of the pipe 2 calculated based on the seismic response analysis or the like, the boiler system It can be appropriately changed according to the scale of 10. That is, as the length of the pipe 2 constituting the deformation absorbing portion 3 is increased, the torsional deformation and the bending deformation can be increased, so that the allowable deformation amount can be increased.
  • a plurality of deformation absorbing portions 3 may be provided in the piping structure 1. Moreover, any direction may be sufficient as the protrusion direction with respect to the piping 2 of the deformation
  • FIG. 2 Although the deformation
  • two deformation absorbing portions 3 may be provided, and the protruding directions of the respective deformation absorbing portions 3 may be reversed. That is, the intersecting pipes 5 and 6 of one deformation absorption part 3 out of the two deformation absorption parts 3 protrude in one direction substantially orthogonal to the pipe 2, and the other deformation absorption part 3 out of the two deformation absorption parts 3.
  • the cross pipes 5 and 6 may be projected in a direction different from one direction substantially orthogonal to the pipe 2.
  • the piping structure 1 of the fifth embodiment of the present invention will be described in detail with reference to the drawings.
  • the clearance C between the support steel frame 16 and the piping 2 is 1.0 to 1.5 times the deformation amount D2 of the piping 2 calculated based on the seismic response analysis or the like. Is set to about.
  • the deformation of the pipe 2 is calculated as indicated by a dotted line by an earthquake response analysis or the like.
  • the clearance C between the pipe 2 and the support steel frame 16 (column 18) is 1.0-1.5 of the deformation amount D2 of the pipe 2 calculated by an earthquake response analysis or the like. It is formed to be about double.
  • the horizontal deformation of the pipe 2 due to an earthquake can be allowed, and even when the pipe 2 is deformed to the maximum in the X direction of FIG. Can be avoided.
  • the shock absorber 28 is made of, for example, block-shaped rubber.
  • the shock absorber 28 is provided at a location corresponding to the maximum deformation portion M of the pipe 2 determined by an earthquake response analysis or the like.
  • the shock absorber 28 may be provided on the pipe 2 side (maximum deformation portion M of the pipe 2).
  • FIG. 12 also shows a shock absorber 28 formed of rubber or the like, but this shock absorber 28 can be omitted if there is a clearance C between the pipe 2 and the support steel frame 16. .
  • a hysteresis damping mechanism such as a steel damper 30 (honeycomb damper, etc.) may be provided as the shock absorber 28.
  • a load transmission member 31 that transmits a load to the steel damper 30 on the pipe 2 side.
  • the embodiment of the present invention has been described in detail above, but various modifications can be made without departing from the technical idea of the present invention.
  • transformation absorption part 3 was provided in the piping 2 extended between a boiler and a turbine, it does not restrict to this. That is, the piping structure of the present invention is adopted for piping connecting between the first equipment supported by the support structure having the seismic isolation device and the second equipment not supported by the seismic isolation device. be able to.
  • the deformation applied to the piping structure can be absorbed by the deformation absorbing portion.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Acoustics & Sound (AREA)
  • Chemical & Material Sciences (AREA)
  • Thermal Sciences (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Vibration Prevention Devices (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)
  • Joints Allowing Movement (AREA)
  • Supports For Pipes And Cables (AREA)

Abstract

Structure de tuyauterie (1) comprenant une tuyauterie (2) qui est fixée à une structure de support (14) comportant un cadre en acier de support (16) pour supporter un premier équipement (11) et un dispositif d'isolation sismique (17) pour supporter le cadre en acier de support (16) et qui relie le premier équipement (11) à un second équipement qui n'est pas supporté par le dispositif d'isolation sismique, la structure de tuyauterie (1) comprenant la tuyauterie (2) et une partie d'absorption de déformation (3) située sur la tuyauterie (2).
PCT/JP2017/014982 2016-04-12 2017-04-12 Structure de tuyauterie et système de chaudière WO2017179620A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016-079791 2016-04-12
JP2016079791A JP6809807B2 (ja) 2016-04-12 2016-04-12 配管構造、及びボイラシステム

Publications (1)

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WO2017179620A1 true WO2017179620A1 (fr) 2017-10-19

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PCT/JP2017/014982 WO2017179620A1 (fr) 2016-04-12 2017-04-12 Structure de tuyauterie et système de chaudière

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JP (1) JP6809807B2 (fr)
TW (1) TWI628374B (fr)
WO (1) WO2017179620A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019138667A1 (fr) * 2018-01-09 2019-07-18 三菱日立パワーシステムズ株式会社 Structure de chaudière

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6766202B2 (ja) * 2019-03-13 2020-10-07 三菱パワー株式会社 ボイラ装置

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56116980A (en) * 1980-02-15 1981-09-14 Nippon Bulge Ind Bend for pipings
JPS58178583U (ja) * 1982-05-26 1983-11-29 三菱重工業株式会社 高温高圧の配管構造
JPS5981889U (ja) * 1982-11-24 1984-06-02 片山　裕 エルボ管
JPS6124889A (ja) * 1984-07-13 1986-02-03 日揮株式会社 二重管構造の配管
JPH062805A (ja) * 1992-06-18 1994-01-11 Babcock Hitachi Kk ボイラ装置
JP2000304202A (ja) * 1999-04-15 2000-11-02 Babcock Hitachi Kk ボイラ本体の制振構造体及び制振方法
JP2011252755A (ja) * 2010-06-01 2011-12-15 Toshiba Corp 地震スクラム方法及びその装置
WO2012133904A1 (fr) * 2011-03-31 2012-10-04 日揮株式会社 Dispositif de récupération de soufre et procédé de récupération de soufre
JP2014240556A (ja) * 2013-06-11 2014-12-25 株式会社東芝 制振方法およびこれを用いた発電プラント、ならびに制振振動系
JP2015059685A (ja) * 2013-09-18 2015-03-30 三菱日立パワーシステムズ株式会社 ボイラ制振用のサイスミックタイおよびこれを用いたボイラ耐震構造体
JP2015121045A (ja) * 2013-12-24 2015-07-02 三菱日立パワーシステムズ株式会社 ボイラの支持構造体

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56116980A (en) * 1980-02-15 1981-09-14 Nippon Bulge Ind Bend for pipings
JPS58178583U (ja) * 1982-05-26 1983-11-29 三菱重工業株式会社 高温高圧の配管構造
JPS5981889U (ja) * 1982-11-24 1984-06-02 片山　裕 エルボ管
JPS6124889A (ja) * 1984-07-13 1986-02-03 日揮株式会社 二重管構造の配管
JPH062805A (ja) * 1992-06-18 1994-01-11 Babcock Hitachi Kk ボイラ装置
JP2000304202A (ja) * 1999-04-15 2000-11-02 Babcock Hitachi Kk ボイラ本体の制振構造体及び制振方法
JP2011252755A (ja) * 2010-06-01 2011-12-15 Toshiba Corp 地震スクラム方法及びその装置
WO2012133904A1 (fr) * 2011-03-31 2012-10-04 日揮株式会社 Dispositif de récupération de soufre et procédé de récupération de soufre
JP2014240556A (ja) * 2013-06-11 2014-12-25 株式会社東芝 制振方法およびこれを用いた発電プラント、ならびに制振振動系
JP2015059685A (ja) * 2013-09-18 2015-03-30 三菱日立パワーシステムズ株式会社 ボイラ制振用のサイスミックタイおよびこれを用いたボイラ耐震構造体
JP2015121045A (ja) * 2013-12-24 2015-07-02 三菱日立パワーシステムズ株式会社 ボイラの支持構造体

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019138667A1 (fr) * 2018-01-09 2019-07-18 三菱日立パワーシステムズ株式会社 Structure de chaudière
JP2019120067A (ja) * 2018-01-09 2019-07-22 三菱日立パワーシステムズ株式会社 ボイラ構造

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JP6809807B2 (ja) 2021-01-06
TW201736752A (zh) 2017-10-16
JP2017190815A (ja) 2017-10-19
TWI628374B (zh) 2018-07-01

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