JP2017053243A - Gas turbine combustor disassembly assembly transportation device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable disassembly, assembly of a gas turbine combustor and transportation of combustor component elements to be performed rapidly and easily and at the same time to enable a restricted working time of a crane device to be shortened.SOLUTION: This invention relates to a gas turbine combustor disassembly assembly transportation device 10 used for at least one of disassembly work, assembly work for a plurality of gas turbine combustors 4 installed at a gas turbine main body casing 2 and transportation work for combustor component elements 5 to 9. This device has a combustor cage 11 arranged to enable combustor component elements 5 to 9 to be stored and including a hanging piece 26 hung by a ceiling crane and casters 25 contacted with the gas turbine main body casing 2 and rolled; component supporting parts 12 movably arranged at the combustor cage 11 to support the combustor component elements 5 to 9; and moving means 13 arranged at the combustor cage 11 to cause the component supporting parts 12 to move in approaching direction or repelling direction in respect to the gas turbine main body casing 2.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a gas turbine combustor disassembly and transportation apparatus used for at least one of a disassembly operation and an assembly operation of a gas turbine combustor in a gas turbine and a transport operation of combustor parts constituting the gas turbine combustor.

  In general, a crane is used for disassembling and assembling a gas turbine combustor in a thermal power plant and transporting combustor parts constituting the gas turbine combustor. As a crane for disassembling and assembling such a gas turbine combustor and transporting combustor parts, an overhead crane provided in a turbine building of a power plant is generally used.

  In other words, when disassembling the gas turbine combustor from the gas turbine body casing, the combustor parts (head plate with combustor nozzle, combustor casing, flow sleeve, combustor liner, transition piece) are individually handled by the crane. The lifting work is performed. The disassembled combustor parts are transported from the power plant to the factory for repair, but each disassembled combustor part is again lifted by a crane and packed in a wooden box. . Furthermore, after packing into a wooden box, it is lifted again by a crane and loaded into a transport vehicle. Combustor parts that have been repaired at the factory are returned to the power plant again using a wooden box. Thereafter, the unloading of the combustor parts from the transport vehicle, the unloading of the combustor parts after unpacking, and the assembly of the gas turbine combustor to the gas turbine body casing are also performed by the crane.

JP-A-10-196402

  As described above, since the crane is frequently used in the operations of disassembling, transporting, and assembling the gas turbine combustor, the operation load of the crane is high. That is, in a series of processes from disassembling to assembling the gas turbine combustor, it is necessary to use the crane restraint using time determined by the number of gas turbine combustor cans × the number of combustor components × the working time. Therefore, there has been a problem that waiting time occurs in other crane operations performed in parallel in periodic inspections and the like.

  In particular, the assembly of the head plate in the combustor components requires centering. However, the centering work performed by hanging with a crane is not easy to work, and it is a factor that prolongs the use time of the crane. It has become. Also, packing and unpacking work for transporting combustor parts is a wasteful incidental work.

  The object of the present invention has been made in consideration of the above-described circumstances, and can disassemble and assemble the gas turbine combustor and transport the combustor parts quickly and easily, and can reduce the time for restraint use of the crane apparatus. It is an object of the present invention to provide a gas turbine combustor disassembly and transportation device that can be shortened.

  The present invention relates to a gas turbine combustor disassembling used for at least one of disassembling work, assembling work, and transporting work of combustor parts constituting the gas turbine combustor. An assembly and transportation apparatus, comprising a combustor part capable of storing the combustor part, a suspension piece for suspension by a crane apparatus, and a rolling element that rolls in contact with the gas turbine main body casing. A combustor cage, a component support portion that is movably provided in the combustor cage and supports the combustor components, and a combustor cage that is provided in the combustor cage and moves the component support portion toward or away from the gas turbine body casing. And moving means for moving in the direction.

  According to the present invention, at the time of disassembling the gas turbine combustor, the combustor component is disassembled from the gas turbine body casing while being supported by the component support portion, and is stored in the combustor cage. At the time of assembly, the combustor parts housed in the combustor cage are moved to a predetermined mounting position by the action of the moving means and assembled to the gas turbine body casing. Further, when the combustor parts are transported in the gas turbine combustor, combustion is performed. The container parts are stored in the combustor cage and transported without being transferred to packing materials. As a result, the gas turbine combustor can be disassembled and assembled, and the combustor components can be transported quickly and easily, and the time for restraint use of the crane apparatus can be shortened.

1 is an overall side view showing a disassembly or assembly situation (head plate removal or attachment situation) of a gas turbine combustor according to an embodiment of a gas turbine combustor disassembly and transportation apparatus according to the present invention; FIG. The side view which shows the gas turbine combustor disassembly assembly transport apparatus of the gas turbine upper half side of FIG. The side view which shows the gas turbine combustor disassembly assembly transportation apparatus of the gas turbine lower half side of FIG. The whole front view which shows the attachment condition of the cage cradle of FIGS. The V arrow directional view of FIG. FIG. The front view which shows the installation condition of the combustor cage in the gas turbine combustor disassembly assembly transportation apparatus of the gas turbine lower half side shown in FIG. The side view which shows the decomposition | disassembly or the assembly condition (the removal condition or attachment condition of a combustor casing) of the gas turbine combustor by the gas turbine combustor disassembly assembly transport apparatus (gas turbine upper half side) of FIG. The side view which shows the decomposition | disassembly or assembly condition (the removal condition or attachment condition of a combustor casing) of the gas turbine combustor by the gas turbine combustor disassembly assembly transport apparatus (gas turbine lower half side) of FIG. X arrow line view of FIG. The elements on larger scale of FIG. The side view which shows the decomposition | disassembly or assembly condition (the removal or attachment condition of a flow sleeve) of the gas turbine combustor by the gas turbine combustor disassembly assembly transport apparatus (gas turbine upper half side) of FIG. The side view which shows the decomposition | disassembly or assembly condition (the removal or attachment condition of a flow sleeve) of the gas turbine combustor by the gas turbine combustor disassembly assembly transport apparatus (gas turbine lower half side) of FIG. The XIV arrow directional view of FIG. The side view which shows the decomposition | disassembly or the assembly condition (the removal condition or attachment condition of a combustor liner) of the gas turbine combustor by the gas turbine combustor disassembly assembly transport apparatus (gas turbine upper half side) of FIG. The side view which shows the decomposition | disassembly or the assembly condition (the removal condition or attachment condition of a combustor liner) of the gas turbine combustor by the gas turbine combustor disassembly assembly transport apparatus (gas turbine lower half side) of FIG. The XVII arrow directional view of FIG. The front view which shows the decomposition | disassembly or the assembly condition (detachment or attachment condition of a transition piece) of the gas turbine combustor by the gas turbine combustor disassembly assembly transport apparatus (gas turbine upper half side) of FIG. The side view which shows the decomposition | disassembly or assembly condition (the removal piece of a transition piece, or the installation condition) of the gas turbine combustor by the gas turbine combustor disassembly assembly transport apparatus (gas turbine lower half side) of FIG. XX arrow line view of FIG. Explanatory drawing which shows the transportation condition of the combustor components (for example, head plate) by the gas turbine combustor disassembly assembly transportation device of FIGS. (A) And (B) is explanatory drawing which shows the transport condition using the wooden box of the conventional combustor components. Explanatory drawing which shows the condition of the centering operation | work of the conventional combustor components.

DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings.
FIG. 1 is an overall side view showing disassembly or assembly status (head plate removal or installation status) of a gas turbine combustor according to an embodiment of the gas turbine combustor disassembly / assembly transportation device according to the present invention. FIG. 2 is a side view showing the gas turbine combustor disassembly and assembly transportation device on the upper half side of the gas turbine of FIG. 1. FIG. 3 is a side view showing the gas turbine combustor disassembly and assembly transportation device on the lower half side of the gas turbine of FIG. 1.

  A gas turbine 1 shown in FIG. 1 is configured by sequentially connecting a compressor section 1A, a combustor section 1B, and a turbine section 1C, and these are covered by a gas turbine body casing 2. The gas turbine main body casing 2 is a vertically divided type having a dividing surface P at the center position of a rotor (not shown). The upper half casing 2A is above the dividing surface P and the lower half casing 2B is below. Reference numeral 3 denotes a flange of the gas turbine main body casing 2 located at the boundary between the compressor section 1A and the combustor section 1B.

  In such a combustor portion 1B of the gas turbine 1, a plurality of gas turbine combustors 4 are arranged around the axis of the rotor. A plurality of gas turbine combustors 4 constituting this multi-can combustor are located behind the flange 3 (to the right in FIG. 1) and provided, for example, 14 pieces (cans) at equal intervals around the axis of the rotor. ing. Each gas turbine combustor 4 includes a head plate 5 having a combustor nozzle (not shown), and a combustor casing 6 (FIG. 8, FIG. 8) that engages the head plate 5 and is fixed to the gas turbine body casing 2. 9), a flow sleeve 7 (see FIGS. 12 and 13) that is disposed in the combustor casing 6 and partially inserted into the gas turbine body casing 2, and a flow sleeve 7 disposed in the flow sleeve 7. Combustor liner 8 (see FIGS. 15 and 16) and a transition piece 9 (see FIGS. 18 and 19) arranged in gas turbine body casing 2 in communication with combustor liner 8 Is done. Each of these head plate 5, combustor casing 6, flow sleeve 7, combustor liner 8, and transition piece 9 is referred to as a combustor component.

  When the gas turbine 1 shown in FIG. 1 is operated, the fuel supplied from the combustor nozzle of the head plate 5 is combusted in the combustor liner 8 together with the pressurized air supplied from the compressor unit 1A, and is generated by the combustion. The combustion gas is guided from the combustion liner 8 through the transition piece 9 to a turbine nozzle (not shown) of the turbine section 1C, and works by rotating a moving blade (not shown) of the turbine section 1C.

  The gas turbine combustor 4 is subjected to periodic inspection to maintain soundness, and in that case, disassembly and assembly work are performed. The gas turbine combustor disassembly and transportation apparatus 10 according to the present embodiment includes at least one of disassembly work and assembly work of the gas turbine combustor 4 and transport work of the combustor parts 5 to 9 constituting the gas turbine combustor 4 ( This embodiment is used when performing all operations), and includes a combustor cage 11, a component support portion 12, a moving means 13, and a cage cradle 14.

  The cage pedestal 14 supports the combustor cage 11 and is installed in the upper half casing 2A of the gas turbine main body casing 2 (that is, the upper half side of the gas turbine) as shown in FIGS. A semi-inner cage cradle 15 and an upper half-outer cage cradle 16; and a lower half-side cage cradle 17 installed on a gas turbine foundation 18 below the lower half casing 2B (that is, the lower half side of the gas turbine). Do it. The upper half inner cage pedestal 15, the upper half outer cage pedestal 16 and the lower half cage pedestal 17 have a receiving surface 19 with which a caster 25 (described later) of the combustor cage 11 contacts, and mounting bolts. 20.

  The upper half inner cage cradle 15 is attached to the flange 3 in the upper half casing 2A of the gas turbine main body casing 2 using mounting bolts 20, and the upper half outer cage cradle 16 is a combustor part in the upper half casing 2A. It is attached to the flange 21 on the 1B side. The upper half inner cage cradle 15 and the upper half outer cage member 16 are configured such that the combustor parts 5 to 9 housed in the combustor cage 11 contacting the receiving surface 19 are in the upper half of the gas turbine body casing 2. The mounting position is adjusted by the mounting bolt 20 so as to be positioned at an appropriate angle with respect to the casing 2A.

  Further, the lower half side cage cradle 17 is attached to the floor surface of the gas turbine foundation 18 by using mounting bolts 20. In this case, the lower half side cage cradle 17 is accommodated in the combustor cage 11 in contact with the receiving surface 19. The mounting position of the combustor parts 5 to 9 is adjusted by the mounting bolts 20 so that the combustor parts 5 to 9 are positioned at an appropriate angle with respect to the lower half casing 2 </ b> B of the gas turbine main body casing 2. 4 is a mounting hole for mounting the gas turbine combustor 4 formed in the gas turbine body casing 2.

  As shown in FIGS. 2, 3 and 5, the combustor cage 11 is formed by integrating a plurality of cage bodies 24. The cage body 24 has a rectangular parallelepiped shape in which a plurality of frame members 23 are coupled in the vertical, horizontal, and height directions, and includes a moving means 13, a caster 25 as a rolling element, and a suspension piece 26. Two compartments 24A are formed. The cage body 24 is provided so that one combustor part 5-9 is accommodated in one compartment 24A.

  For example, in the combustor cage 11 shown in FIG. 2 installed in the upper half casing 2A of the gas turbine main body casing 2, the upper half inner cage cradle 15 and the upper half outer cage cradle 16, four sections 24A are integrated. One cage main body 24 is arranged on each of the left and right in FIG. Further, in the combustor cage 11 shown in FIG. 3 installed in the lower half casing 2B and the lower half side cage cradle 17 of the gas turbine body casing 2, the cage body 24 in which the three sections 24A are integrated is shown in FIG. One is arranged on each of the left and right sides.

  As shown in FIGS. 2, 3, and 5, the caster 25 is provided on the cage body 24 on the side facing the receiving surface 19 of the cage cradle 14 and the gas turbine body casing 2, respectively. Rolls in contact with the gas turbine body casing 2. Thus, the caster 25 rolls on the receiving surface 19 of the cage cradle 14 and the gas turbine main body casing 2, so that the combustor cage 11 receives its own weight and the weight of the stored combustor parts 5 to 9. It is possible to move to a predetermined position of the gas turbine combustor 4 along the cage cradle 14 and the gas turbine body casing 2.

  Further, the suspension piece 26 suspends the combustor cage 11 by engaging a hook of a crane device, in this embodiment, an overhead crane 34 (see FIG. 7) of a turbine building (not shown).

  Note that the cage body 24 may be configured to be separable for each compartment 24A in which the combustor parts 5 to 9 are housed during transportation or according to the needs of the transport machine. At this time, each of the cage bodies 24 of the separated single section 24 </ b> A needs to include a caster 25 and a suspension piece 26.

  As shown in FIGS. 2, 3, 5, and 6, the component support portion 12 has a substantially semicircular shape corresponding to the circular cross-sectional shape of the combustor components 5 to 9 in the front view shown in FIG. 5. A pair is formed and each is opposed to cover the outer periphery of the combustor parts 5-9. As shown in FIGS. 2 and 6, these component support portions 12 engage with the guide grooves 28 of the guide sleeve 27 attached to the cage body 24 of the combustor cage 11, so that the gas turbine body casing 2 is engaged. It is provided so as to be movable in a direction approaching or moving away.

  Further, as shown in FIGS. 2, 3, and 5, these component support portions 12 include a plurality of support bolts 29 and support the combustor components 5 to 9 using these support bolts 29. That is, when the combustor parts 5 to 9 are the head plate 5, the support bolt 29 is screwed into the lifting eye bolt hole (not shown) of the head plate 5, so that the part support 12 is the head plate 5. Support. When the screwing of the support bolt 29 and the head plate 5 is released, the head plate 5 is detached from the component support portion 12.

  When the combustor part is the combustor casing 6, the flow sleeve 7, the combustor liner 8, or the transition piece 9, as shown in FIG. 10, FIG. 11, FIG. 14, FIG. By interposing an interposition such as a pad 30 between the tip of the combustion chamber 6, the flow sleeve 7, the combustor liner 8, or the transition piece 9, and tightening the support bolt 29, the support bolt 29 is interposed via the pad 30. The combustor casing 6, the flow sleeve 7, the combustor liner 8, or the transition piece 9 is supported on the component support portion 12 by the above pressing. By loosening the support bolt 29, the pressing of the support bolt 29 is released, and the combustor casing 6, the flow sleeve 7, the combustor liner 8 or the transition piece 9 is detached from the component support portion 12.

  As shown in FIGS. 2, 3 and 6, the moving means 13 is a screw member which is rotatably installed in the cage body 24 of the combustor cage 11 with its axis aligned with the longitudinal direction of the guide sleeve 27. 31, a handle portion 32 that is fixed to the base end of the screw member 31 in a rotationally integrated manner, and a nut portion 33 that is screwed to the screw member 31 and to which the component support portion 12 is attached. . The moving means 13 is configured such that the screw member 31 is rotated by rotating the handle portion 32 manually or by a drive source such as an air motor, and the nut portion 33 is moved in the axial direction of the screw member 31 to move the component support portion 12. The gas turbine body casing 2 is moved toward or away from the gas turbine body casing 2.

  The combustor components 5 to 9 supported by the component support portion 12 are moved in the direction approaching from the inside of the cage body 24 of the combustor cage 11 toward the gas turbine body casing 2 by the action of the moving means 13, or the gas turbine. It is moved away from the main body casing 2 in the direction in which it is housed in the cage main body 24. The moving means 13 is installed for each component support portion 12 in one section 24 of the cage body 24 in the combustor cage 11.

  Next, using the gas turbine combustor disassembly and transportation apparatus 10 configured as described above, the gas turbine combustor 4 is disassembled and assembled, the combustor parts 5 to 9 are transported, the combustor parts (particularly the head plate). The centering operation 5) will be described.

[A] Disassembly and assembly work of gas turbine combustor (FIGS. 1 to 20)
In the disassembling operation of the gas turbine combustor 4, first, as shown in FIGS. 1 to 4, the upper half inner cage cradle 15 and the upper half outer cage cradle 16 are placed on the gas turbine body casing 2 as shown in FIGS. The lower half side cage cradle 17 is installed on the turbine foundation 18 in the half casing 2A.

  Next, the combustor cage 11 is suspended from the upper half inner cage cradle 15, the upper half outer cage cradle 16 and the lower half cage cradle 17 by using an overhead crane 34 (FIG. 7) of the turbine building. To do. At this time, first, the combustor cage 11 installed in the lower half casing 2B and the lower half cage cradle 17 of the gas turbine main body casing 2 is suspended using an overhead crane 34 as shown in FIG. Positioned between the upper half inner cage cradle 15 and the upper half outer cage cradle 16 and moves downward along the upper half inner cage cradle 15, the upper half outer cage cradle 16 and the lower half cage cradle 17 It is positioned at a predetermined position by being moved (roll-in) or moved upward (roll-out). After the combustor cage 11 is installed in the lower half cage cradle 17, the combustor cage installed in the upper half casing 2 </ b> A, the upper half inner cage cradle 15, and the upper half outer cage cradle 16 of the gas turbine main body casing 2. 11 is suspended by using an overhead crane 34 and positioned at a predetermined position.

  Thereafter, the handle portion 32 of the moving means 13 positioned corresponding to the gas turbine combustor 4 to be disassembled is operated to move the component support portion 12 in the direction of approaching the gas turbine body casing 2, and this component. The support portion 12 is positioned at a support position of the head plate 5 in the gas turbine combustor 4 to be disassembled. Then, the support bolt 29 is screwed into a lifting eye bolt hole (not shown) of the head plate 5 so that the head plate 5 is supported by the component support portion 12. After the head plate 5 is supported by the component support portion 12, the head plate 5 is detached from the gas turbine body casing 2 and disassembled, and the moving means 13 is operated so that the component support portion 12 supporting the head plate 5 is removed from the gas turbine. The head plate 5 is separated from the main body casing 2, and is stored and held in one compartment 24 </ b> A in the cage main body 24 of the combustor cage 11.

  After storing all the head plates 5 installed in the gas turbine main body casing 2 in the combustor cage 11 in this manner, the combustor cage 11 is divided into a plurality of cage main bodies 24 and suspended by the overhead crane 24. Suspend and hang out of turbine area.

  Next, the disassembling work of the combustor casing 6, the flow sleeve 7, the combustor liner 8 and the transition piece 9 is sequentially performed in the same manner as in the case of the head plate 5.

  That is, first, the combustor cage 11 is installed on the upper half inner cage cradle 15, the upper half outer cage cradle 16 and the lower half cage cradle 17 using the overhead crane 34, and the component support portion 12 is moved by the moving means 13. Are positioned at respective support positions of the combustor casing 6, the flow sleeve 7, the combustor liner 8 or the transition piece 9, and the combustor casing 6, the flow sleeve 7, the combustor liner 8 or Each of the transition pieces 9 is supported by the component support portion 12. This state is shown in FIGS. 8 to 11 in the case of the combustor casing 6, in FIGS. 12 and 14 in the case of the flow sleeve 7, and in FIGS. 15 and 17 in the case of the combustor liner 8. 9 is illustrated in FIGS. 18 and 20, respectively.

  Next, as shown in FIGS. 8, 13, 16, and 19, the combustor casing 6, the flow sleeve 7, the combustor liner 8, or the transition piece 9 is accommodated in the combustor cage 11 by the moving means 13. After all the combustor casing 6, the flow sleeve 7, the combustor liner 8, or the transition piece 9 are accommodated in the respective combustor cages 11, the respective combustor cages 11 are divided and turbines are obtained by the overhead crane 34. Hanging out of the area.

  For the assembly operation of the gas turbine combustor 4 using the gas turbine combustor disassembly and transportation apparatus 10, the cage cradle 14 (the upper half inner cage cradle 15, the upper half outer cage cradle 16 and the lower half cage cradle) After installing 17), the combustor parts 5 to 9 after repair are assembled to the gas turbine body casing 2 in the reverse order of the disassembling work.

  Here, in the disassembly and assembly work of the transition piece 9, as shown in FIG. 18, the component support portion 12 is moved to the position closest to the mounting position of the transition piece 9 by the moving means 13 and stopped. The transition piece 9 is moved to the stop position of the component support portion 12 and supported by the component support portion 12 (at the time of disassembly), or the transition piece 9 is supported at the stop position of the component support portion 12. It is removed from the portion 12 and moved to a predetermined mounting position (when assembled).

In the disassembly and assembly work of the gas turbine combustor 4 in the present embodiment as described above, the restricted use time of the overhead crane 34 is shortened as follows.
That is, in the disassembling and assembling work of the conventional gas turbine combustor 4 that does not use the gas turbine combustor disassembling and assembling and transporting apparatus 10, the crane usage time when disassembling one combustor component 5 to 9 is 20 minutes / piece, Assuming that the crane usage time during assembly is 30 minutes / piece, the crank restraint usage time C1 is as follows.
C1 = gas turbine combustor can number 14 × combustor parts 5 × crane use time at disassembly and assembly 50 minutes = 3500 minutes

In contrast, in the disassembling and assembling work of the gas turbine combustor 4 of this embodiment using the gas turbine combustor disassembling and assembling and transporting apparatus 10, the combustor cage 11 is divided into four, and the cage cradle 14 is three. The installation or disassembly time of the cage cradle 14 per unit using the overhead crane 34 is 30 minutes, and the combustor parts 5 to 9 are attached to and detached from each of the divided combustor cages 11, and this combustion is performed. Assuming that the sum of the time for hanging and hanging each of the equipment cages 11 by the overhead crane 34 (time for hanging and hanging) is 50 minutes, the crane restraint usage time C2 is as follows.
C2 = Number of cage holders 3 × Cage cradle installation or disassembly time 30 minutes × Cage cradle disassembly / assembly number 2 + combustor cage number 4 × combustor parts number 5 × hanging and hanging time 50 minutes = 1180 minutes C2 <C1, and in the disassembly and assembly work of the gas turbine combustor 4 of the present embodiment, the crane restraint use time can be shortened by 2320 minutes (= C1-C2).

[B] Combustor parts transportation work (FIGS. 21 and 22)
The combustor cage 11 is premised on transportation. As shown in FIG. 21, the combustor cage 11 is loaded on the transport vehicle 36 using the overhead crane 34 in a state where the combustor parts 5 to 9 are housed. After loading into the transport vehicle 36, the combustor cage 11 containing the combustor parts 5 to 9 is covered and cured by the seat 37, and is transported from the power plant to a factory for maintenance and inspection. The combustor parts 5 to 9 are transported in a state of being accommodated in the combustor cage 11 even after completion of repair at the factory. Further, the combustor cage 11 in which the combustor parts 5 to 9 are accommodated is transported in the horizontal direction by the casters 25 without using the overhead crane 34 in the transportation process.

In such a transportation operation of the combustor parts 5 to 9 in this embodiment, the restricted use time of the cleaning crane 34 is shortened as follows.
That is, in the conventional transportation work of the combustor parts 5 to 9 using the wooden box 38 (FIG. 22) without using the gas turbine combustor disassembly and assembly transportation apparatus 10, per combustor part using the overhead crane 34. Since the packing time is 10 minutes, the unpacking time is 10 minutes, and the loading and unloading time of each wooden box 38 on the transportation vehicle 36 is 20 minutes, the crane restraint use time C3 in this transportation work Is as follows.
C3 = gas turbine combustor can number 14 × combustor parts number 5 × packing and unpacking time 20 minutes + wood box number 12 × wood box loading and unloading time 20 minutes = 1640 minutes

On the other hand, in the transportation work of the combustor parts 5 to 9 of the present embodiment using the gas turbine combustor disassembly / assembly transportation apparatus 10, one of the divided combustor cages 11 is loaded and loaded on the transportation vehicle 36. Since the time taken down is 20 minutes, the crane restraint use time C4 in this transportation work is as follows.
C4 = combustor cage number 4 × combustor parts 5 × vehicle loading and unloading time 20 minutes = 400 minutes Therefore, C4 <C3, and 1240 minutes (in the transportation work of the combustor parts 5 to 9 in this embodiment ( It becomes possible to shorten the crane restraint use time only by C3-C4).

[C] Centering of head plate (FIGS. 2, 3, and 23)
In the conventional assembly operation of the head plate 5, as shown in FIG. 23, the head plate 5 is suspended by an overhead crane 34, and the head plate 5 is centered in the suspended state. Accordingly, if the centering time per head plate 5 is 20 minutes, the crane restraint use time C5 in the centering operation of the head plate 5 is as follows.
C5 = number of head plates 14 × centering time 20 minutes = 280 minutes

On the other hand, in the assembly work of the head plate 5 in the present embodiment, the receiving surface 19 of the cage cradle 14 that supports the combustor cage 11 uses the head plate 5 accommodated in the combustor cage 11 as a gas turbine body casing. It is formed so as to be positioned at an appropriate angle with respect to 2. For this reason, the centering of the head plate 5 is inevitably determined only by placing the combustor cage 11 in which the head plate 5 is housed on the receiving surface 19 of the cage cradle 14. Unloading work becomes unnecessary. As a result, the crane restraint usage time C6 in the transport operation of the head plate 5 is as follows.
C6 = 0
Therefore, C6 <C5, and in the centering operation of the head plate 5, the crane restraint use time can be shortened by 280 minutes (= C5-C6).

As a result, in this embodiment using the gas turbine combustor disassembly / assembly transportation apparatus 10, the gas turbine combustor 4 is disassembled and assembled, the combustor parts 5 to 9 are transported, and the head plate 5 is centered. The total shortening time C of the crane restraint use time is as follows.
C = (C1-C2) + (C3-C4) + (C5-C6) = 3840 minutes

As a result of the above, according to the present embodiment, the following effects (1) and (2) are obtained.
(1) When the gas turbine combustor 4 is disassembled by using the gas turbine combustor disassembly / assembly transportation device 10 including the combustor cage 11, the component support portion 12, the moving means 13, and the cage cradle 14, 5 to 9 are separated from the gas turbine main body casing 2 and supported in the combustor cage 11 while being supported by the component support portion 12, and are stored in the combustor cage 11 when the gas turbine combustor 4 is assembled. The combustor parts 5 to 9 are moved to a predetermined position by the action of the moving means 13 and assembled to the gas turbine main body casing 2. Further, when the combustor parts 5 to 9 are transported in the gas turbine combustor 4, the combustor In a state where the parts 5 to 9 are stored in the combustor cage 11, the parts 5 to 9 are transported without being transferred to a packing material such as a wooden box 38. As a result, disassembly and assembly of the gas turbine combustor 4 and transportation of the combustor parts 5 to 9 can be performed quickly and easily, and the restraint usage time of the overhead crane 34 can be shortened.

  (2) In the gas turbine combustor disassembly / assembly transportation apparatus 10 including the combustor cage 11, the component support portion 12, the moving means 13, and the cage cradle 14, the combustor cage 11 supported by the cage cradle 14 is a gas The turbine body casing 2 is positioned at an appropriate angle. For this reason, the centering of the combustor parts 5 to 9 accommodated in the combustor cage 11 with respect to the gas turbine main body casing 2 can be easily completed without using the overhead crane 34 in a suspended state.

  Although the embodiment has been described above, the present invention is not limited to the specific configuration of the embodiment as described above, and various modifications can be made without departing from the gist of the present invention. For example, the gas turbine combustor disassembly and transportation apparatus 10 may be used in any of the disassembly work of the gas turbine combustor 4, the assembly work, or the transport work of the combustor parts 5 to 9.

1 Gas Turbine 2 Gas Turbine Body Casing 5 Head Plate (Combustor Parts)
6 Combustor casing (combustor parts)
7 Flow sleeve (combustor parts)
8 Combustor liner (combustor parts)
9 Transition pieces (combustor parts)
DESCRIPTION OF SYMBOLS 10 Gas turbine combustor disassembly assembly transport apparatus 11 Combustor cage 12 Component support part 13 Moving means 14 Cage support base 15 Upper half inner cage base 16 Upper half outer cage base 17 Lower half cage base 18 Gas turbine foundation 24 Cage body 25 Casters (rolling elements)
26 Suspension piece 29 Support bolt 34 Overhead crane (crane equipment)

Claims (3)

A gas turbine combustor disassembly / assembly transport device used for at least one of a disassembly operation and an assembly operation of a gas turbine combustor disposed in a gas turbine main body casing and a transport operation of combustor parts constituting the gas turbine combustor. There,
A combustor cage which is provided so as to be capable of storing the combustor parts, and includes a suspension piece for suspension by a crane device, and a rolling element which rolls in contact with the gas turbine main body casing;
A component support that is movably provided in the combustor cage and supports the combustor components;
A gas turbine combustor disassembly and transportation apparatus comprising: a moving means provided in the combustor cage and configured to move the component support portion toward or away from the gas turbine body casing. A cage cradle for supporting the combustor cage for positioning a combustor component housed in the gas turbine body casing or gas turbine base and housed in the combustor cage at an appropriate angle with respect to the gas turbine body casing. The gas turbine combustor disassembly and assembly transportation device according to claim 1, comprising: 3. The gas turbine combustion according to claim 1, wherein the combustor cage is configured to be capable of storing a plurality of combustor parts, and is configured to be separable for each stored combustor part. 4. Instrument disassembly assembly transportation equipment.

Images