Supporting structure for placing steam turbine valve bracket

Abstract

The utility model provides a supporting structure for placing steam turbine valve supports. Steam turbine valves are arranged on the left side and the right side of a steam turbine. The steam turbine is placed on a foundation through a bearing seat, and a steam turbine well used for laying a pipeline is formed in the foundation. The supporting structure is arranged in the steam turbine well and comprises a foundation support and a supporting beam, the supporting beam is arranged in the steam turbine well through the foundation support, one end of the valve support is fixed to the supporting beam, and the other end of the valve support is connected with a steam turbine valve. The utility model solves the problem that the steam turbine valve has no place to support when the old unit is transformed in the prior art, so that the selection of the form and position of the steam turbine valve in the upgrading and transforming project of the old unit is more flexible, and the utility model is particularly suitable for the upgraded and transformed old steam turbine unit.

Description

TECHNICAL FIELD

[0001] The utility model relates to steam turbine valve support technical field, especially a kind of support structure for placing steam turbine valve support. BACKGROUND

[0002] In power plant construction, design institute will build workshop according to steam turbine generator structure, and the reinforced concrete structure for placing steam turbine is called foundation. The foundation below steam turbine cylinder is hollow structure, and this space is used to arrange pipeline, which can be called steam turbine well. Steam turbine valve is often arranged on the left and right sides of steam turbine, and is supported on foundation by valve support. Therefore, when new power plant is constructed, reinforced concrete needs to be used to pre-cast a support platform in steam turbine well, and steel plate is embedded on support platform to fix valve support.

[0003] However, for upgraded and reconstructed unit, the position and form of steam turbine valve may change compared with old unit. Since old foundation needs to be used, there may be no support platform below valve, which leads to no place to place valve.

[0004] In summary, for old unit upgrading and reconstruction, since power plant workshop needs to be used, there may be no support platform below steam turbine valve. In order to continue to implement the reconstruction scheme, a support structure for placing steam turbine valve support needs to be designed. UTILITY MODEL CONTENT

[0005] In view of the above-mentioned shortcomings of prior art, the technical problem to be solved by the utility model is to provide a support structure for placing steam turbine valve support, to solve the problem that there is no support platform below steam turbine valve when old steam turbine unit is upgraded and reconstructed, and valve support has no place to be placed.

[0006] To achieve the above-mentioned purpose, the utility model provides a support structure for placing steam turbine valve support, the steam turbine valve is arranged on the left and right sides of steam turbine, the steam turbine is placed on foundation through bearing seat, the foundation is provided with steam turbine well for laying pipeline, the support structure is arranged in steam turbine well, and the support structure comprises foundation support and support beam, the support beam is arranged in steam turbine well through foundation support, one end of valve support is fixed on support beam, and the other end is connected with steam turbine valve.

[0007] Preferably, the foundation support is fixedly connected with the foundation on both sides of steam turbine well, and the support beam is fixedly connected with foundation support, to support valve support.

[0008] Preferably, the support beam comprises a fixed section and a sunken section, the number of the fixed sections is two, the number of the sunken section is one, and the shape of the sunken section is an upward-opening U shape; the two fixed sections are arranged on the two sides of the top surface of the sunken section respectively; the number of the foundation supports is two, and the two foundation supports are arranged on the top surfaces of the two sides of the foundation of the steam engine well respectively; the bottom surfaces of the two fixed sections are fixed on the two foundation supports respectively, and the sunken section is placed in the steam engine well; the valve support is fixed on the sunken section away from the steam turbine valve.

[0009] Preferably, the shape of the support beam is a "single" shape, the number of the foundation supports is two, and the two foundation supports are arranged on the side walls of the two sides of the foundation of the steam engine well respectively; the shape of the foundation support is an L shape, the vertical section of the foundation support is fixedly connected with the side walls of the two sides of the foundation of the steam engine well, and the support beam is arranged between the horizontal sections of the two foundation supports.

[0010] Preferably, the support beam comprises a fixed section and a sunken section, the number of the fixed sections is one, and the shape of the fixed section is a "single" shape; the number of the sunken section is one, and the shape of the sunken section is an L shape; the fixed section is arranged on the outside of the top surface of the sunken section in the horizontal direction, and the fixed section is perpendicularly connected with the sunken section at 90°; the number of the foundation supports is two, one of the two foundation supports is arranged on the top surface of the foundation of one side of the steam engine well, and the other of the two foundation supports is arranged on the side wall of the foundation of the other side of the steam engine well.

[0011] Preferably, the foundation support is connected with the foundation by pre-buried pouring or by bolt connection.

[0012] Preferably, the support beam is connected with the foundation support by welding or by bolt connection.

[0013] Preferably, the valve support is connected with the support beam by welding or by bolt connection.

[0014] Preferably, the support beam adopts an I-shaped beam, or a II-shaped beam, or a T-shaped beam, or a Π-shaped beam, or a mouth-shaped beam.

[0015] Preferably, the material of the foundation support and the support beam is steel.

[0016] As described above, the support structure for placing the steam turbine valve support has the following beneficial effects:

[0017] The utility model relates to a support structure for placing steam turbine valve support, is provided with base support and support beam, and the base support is fixed on the base of the both sides of steam well, and the support beam is arranged on the base support and is located in the steam well, so that the steam turbine valve is connected with the support beam through the valve support, realizes the support of steam turbine valve, solves the problem that the steam turbine valve has no support in the old unit modification of prior art, makes the form and position selection of steam turbine valve in the old unit upgrading and reconstruction project more flexible, especially suitable for the old steam turbine unit of upgrading and reconstruction. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is the first embodiment of the utility model relates to the schematic diagram of support structure for placing steam turbine valve support,

[0019] Figure 2 is the structure schematic drawing of support beam in the first embodiment of the utility model relates to the support structure for placing steam turbine valve support,

[0020] Figure 3 is the second embodiment of the utility model relates to the schematic diagram of support structure for placing steam turbine valve support,

[0021] Figure 4 is the third embodiment of the utility model relates to the schematic diagram of support structure for placing steam turbine valve support,

[0022] Figure 5 is the section view of support beam in the utility model,

[0023] Figure 6 is the section view of support beam in the utility model,

[0024] Figure 7 is the section view of support beam in the utility model,

[0025] Figure 8 is the section view of support beam in the utility model,

[0026] Figure 9 is the section view of support beam in the utility model.

[0027] BRIEF DESCRIPTION OF DRAWINGS

[0028] 1, steam well, 2, steam turbine, 201, steam turbine valve, 3, base, 4, base support, 5, support beam, 501, fixed section, 502, subsidence section, 6, valve support, 601, spring box, 7, fixed bolt. DETAILED DESCRIPTION

[0029] The following embodiments illustrate the implementation of the present application, and other advantages and effects of the present application can be easily understood by those skilled in the art according to the content disclosed in the specification.

[0030] It should be understood that the structure, proportion, size and the like shown in the drawings of the specification are only used to understand and read the content disclosed in the specification by those skilled in the art, and are not used to limit the implementation conditions of the present application, and therefore do not have technical significance. Any modification of the structure, change of the proportion relationship or adjustment of the size, without affecting the effects and purposes that can be achieved by the present application, should still fall within the scope of the technical content disclosed by the present application. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and the like in the specification are only used for clear description, and are not used to limit the scope of the present application, and the change or adjustment of the relative relationship, without substantially changing the technical content, should also be considered as the implementation scope of the present application.

[0031] As shown in Figures 1-9 The present application provides a support structure for placing a steam turbine valve support, the steam turbine valve 201 is arranged on the left and right sides of the steam turbine 2; the steam turbine 2 is placed on the foundation 3 through a bearing seat, the foundation 3 is provided with a steam turbine well 1 for laying pipelines; the support structure is arranged in the steam turbine well 1, and the support structure comprises a foundation support 4 and a support beam 5, the support beam 5 is arranged in the steam turbine well 1 through the foundation support 4, the bottom end of the valve support 6 is fixed on the support beam 5, and the top end is connected with the steam turbine valve 201.

[0032] In the present application, the support beam 5 is arranged in the steam turbine well 1, the support beam 5 is fixed in the steam turbine well 1 through the foundation support 4, the steam turbine valve 201 is fixed on the support beam 5 through the valve support 6, so that the support of the steam turbine valve 201 is realized, the problem that the steam turbine valve 201 has no place to support during the upgrading and reconstruction of the old steam turbine unit is solved, and the selection of the form and position of the steam turbine valve 201 in the upgrading and reconstruction project of the old unit is more flexible.

[0033] Further, the number of steam turbine valves 201 can be several, and in the present embodiment, the number of steam turbine valves 201 is two, and the two steam turbine valves 201 are arranged on the left and right sides of the steam cylinder 2.

[0034] Preferably, the support structure for placing a steam turbine valve support according to the present application has the following two embodiments:

[0035] First embodiment:

[0036] As shown in Figure 1 , Figure 2As shown in the figure, the support beam 5 includes a fixed section 501 and a sunken section 502. The number of fixed sections 501 is two, and the number of sunken sections 502 is one. The shape of the sunken section 502 is a U shape with an upward opening. The two fixed sections 501 are respectively arranged on the left and right sides of the top surface of the sunken section 502 in the horizontal direction, and the fixed section 501 is vertically connected to the sunken section 502 at a 90° angle. The number of foundation supports 4 is two, which are respectively arranged on the top surfaces of the foundations 3 on the left and right sides of the steam turbine well 1. The bottom surfaces of the two fixed sections 501 are respectively fixed on the two foundation supports 4, and the sunken section 502 is placed in the steam turbine well 1. The bottom end of the valve support 6 is fixed on the sunken section 502. In this embodiment, the two fixed sections 501 and one sunken section 502 are an integral component.

[0037] Preferably, in this embodiment, the foundation supports 4 are pre-embedded and cast with concrete on the top surfaces of the foundations 3 on the left and right sides of the steam turbine well 1. In other embodiments, the foundation supports 4 can also be fixedly connected to the top surfaces of the foundations 3 on the left and right sides of the steam turbine well 1 by bolts.

[0038] Furthermore, in this embodiment, first, the two foundation supports 4 are pre-embedded and cast with concrete on the top surfaces of the foundations 3 on the left and right sides of the steam turbine well 1. Then, the U-shaped sunken section 502 is placed into the steam turbine well 1, so that the two fixed sections 501 of the support beam 5 are placed on the two foundation supports 4. Then, the two fixed sections 501 are respectively fixedly connected to the two foundation supports 4. Finally, the valve support 6 is fixed on the U-shaped sunken section 502 of the support beam 5, and the support for the steam turbine valve 201 can be realized through the valve support 6.

[0039] Second Embodiment:

[0040] As Figure 3 shown in the figure, the shape of the support beam 5 is a "one-word" shape. The number of foundation supports 4 is two, and they are respectively arranged on the side walls of the foundations 3 on both sides of the steam turbine well 1. The shape of the foundation support 4 is an L shape. The vertical section of the foundation support 4 is fixedly connected to the side walls of the foundations 3 on both sides of the steam turbine well 1, and the support beam 5 is arranged between the horizontal sections of the two foundation supports 4. The foundation support 4 is made of L-shaped angle steel.

[0041] Preferably, in this embodiment, foundation support fixing holes are provided on the side walls of the foundations 3 on the left and right sides of the steam turbine well 1, and vertical section connection holes are provided on the vertical section of the foundation support 4. The foundation support fixing holes are aligned with the vertical section connection holes, and the two are connected by fixing bolts 7. In other embodiments, the foundation support 4 can also be pre-embedded into the side walls of the foundations 3 on the left and right sides of the steam turbine well 1 by concrete pouring, and then the support beam 5 is fixed between the two foundation supports 4.

[0042] Further, in the embodiment, first, the foundation support fixing holes are formed on the side walls of the foundations 3 on both sides of the steam turbine well 1, then the vertical section connecting holes are aligned with the foundation support fixing holes, and the fixing bolts 7 are screwed into the holes, so that the foundation supports 4 are fixedly connected to the side walls of the foundations 3; then the "one-word" type support beams 5 are fixedly connected to the horizontal sections of the two foundation supports 4; finally, the valve support 6 is fixed to the support beam 5, so that the valve support 6 can support the steam turbine valve 201.

[0043] Third embodiment:

[0044] As shown in Figure 4 , the support beam 5 includes a fixed section 501 and a sunken section 502, the number of the fixed section 501 is one, and the shape of the fixed section 501 is "one-word" type; the number of the sunken section 502 is one, and the shape of the sunken section 502 is L type; the fixed section 501 is arranged outside the top surface of the sunken section 502 along the horizontal direction, and the fixed section 501 is perpendicularly connected to the sunken section 502 at 90°; the number of the foundation supports 4 is two, one of which is arranged on the top surface of the foundation 3 on one side of the steam turbine well 1, and the other is arranged on the side wall of the foundation 3 on the other side of the steam turbine well 1. The fixed section 501 and the sunken section 502 are an integral component.

[0045] Preferably, in the embodiment, the foundation support 4 arranged on the top surface of the foundation 3 on one side of the steam turbine well 1 is connected to the top surface of the foundation 3 by the method of concrete pre-buried pouring; and the foundation support arranged on the side wall of the foundation 3 on the other side of the steam turbine well 1 is connected by the fixing bolt 7.

[0046] Further, in the embodiment, first, one of the foundation supports 4 is pre-buried and poured on the top surface of the foundation 3 on one side of the steam turbine well 1, and the other is installed on the side wall of the foundation 3 on the other side of the steam turbine well 1 by the fixing bolt 7; then the L type sunken section 502 is put into the steam turbine well 1, so that the fixed section 501 is placed on the foundation support 4 on the top surface of the foundation 3, and the sunken section 502 is placed on the foundation support 4 on the side wall of the foundation 3, then the fixed section 501 and the sunken section 502 are fixedly connected to the two foundation supports 4 respectively; finally, the valve support 6 is fixed to the sunken section 502 of the support beam 5, so that the valve support 6 can support the steam turbine valve 201.

[0047] Preferably, in the above two embodiments, the support beam 5 is connected to the foundation support 4 by welding or by bolt connection. When the bolt connection is adopted, corresponding through holes and bolt holes are formed on the support beam 5 and the foundation support 4, and the bolt is fastened for connection.

[0048] Preferably, in the three embodiments described above, the valve support 6 is connected to the support beam 5 by welding or by screwing. When screwing is used, a through hole is formed in the bottom of the valve support 6, and a through hole or a bolt hole is formed in the support beam 5. The through hole in the valve support 6 is aligned with the hole in the support beam 5, and then the two are fastened together by a bolt.

[0049] Preferably, as shown in the three embodiments described above, the support beam 5 is in the shape of an I-beam, or a II-beam, or a T-beam, or a Π-beam, or a U-beam. The selection of the support beam 5 described above can improve the strength, rigidity and bending resistance of the support beam 5. Among the support beams 5 described above, the I-beam is the most widely used. Figures 5-9

[0050] Preferably, in the three embodiments described above, the base support 4 and the support beam 5 are made of Q235 steel.

[0051] Preferably, in the three embodiments described above, the shape, size, position and manufacturing material of the base support 4 and the support beam 5 are determined according to the specific design of the steam turbine unit.

[0052] Preferably, as shown in the three embodiments described above, a spring box 601 is provided on the valve support 6. The valve support 6 is installed between the steam turbine valve 201 and the support beam 5, and the spring box 601 is used to support the steam turbine valve 201. Figure 1 Figures 3-4 Preferably, in the three embodiments described above, the support beam 5 provided in the steam turbine well 1 does not affect the normal laying of the pipeline and does not need to damage the pipeline that has already been laid.

[0053] Preferably, the steam turbine structure in the present application is the same as that in the prior art, and will not be repeated here.

[0054] The support structure for placing the steam turbine valve support of the utility model relates to a support structure for placing the steam turbine valve support, which solves the problem of no place to support the steam turbine valve 201 in the old unit modification in the prior art, makes the selection of the form and position of the steam turbine valve 201 in the old unit upgrading and modification project more flexible, and is especially suitable for the old steam turbine unit in the upgrading and modification.

[0055] The support structure for placing the steam turbine valve support of the utility model relates to a support structure for placing the steam turbine valve support, which solves the problem of no place to support the steam turbine valve 201 in the old unit modification in the prior art, makes the selection of the form and position of the steam turbine valve 201 in the old unit upgrading and modification project more flexible, and is especially suitable for the old steam turbine unit in the upgrading and modification.

[0056] The support structure for placing the steam turbine valve support of the utility model relates to a support structure for placing the steam turbine valve support, which solves the problem of no place to support the steam turbine valve 201 in the old unit modification in the prior art, makes the selection of the form and position of the steam turbine valve 201 in the old unit upgrading and modification project more flexible, and is especially suitable for the old steam turbine unit in the upgrading and modification.​​

[0057] In summary, the utility model effectively overcomes various shortcomings in prior art and has high industrial utilization value.

[0058] The above embodiments only exemplarily illustrate the principles and effects of the utility model, and are not used to limit the utility model. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the utility model. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought disclosed by the utility model should be covered by the claims of the utility model.

Claims

1. A support structure for placing a turbine valve bracket, wherein the turbine valve (201) is disposed on the left and right sides of a turbine (2); the turbine (2) is placed on a foundation (3) via bearing seats, and a turbine well (1) for laying pipelines is provided in the foundation (3); characterized in that: The support structure includes a foundation support (4) and a support beam (5). The support beam (5) is set in the turbine well (1) through the foundation support (4). One end of the valve bracket (6) is fixed on the support beam (5), and the other end is connected to the turbine valve (201).

2. The support structure for placing turbine valve brackets according to claim 1, characterized in that: The foundation support (4) is fixedly connected to the foundation (3) on both sides of the turbine well (1), and the support beam (5) is fixedly connected to the foundation support (4) to support the valve bracket (6).

3. The support structure for placing turbine valve brackets according to claim 2, characterized in that: The support beam (5) includes a fixed section (501) and a recessed section (502). There are two fixed sections (501) and one recessed section (502). The recessed section (502) is U-shaped with its opening facing upward. The two fixed sections (501) are respectively located on both sides of the top surface of the recessed section (502). The number of the foundation supports (4) is two, and they are respectively set on the top surface of the foundation (3) on both sides of the turbine well (1); The bottom surfaces of the two fixed sections (501) are fixed on the two foundation supports (4) respectively, and the sunken section (502) is placed in the turbine well (1); the valve bracket (6) is fixed on the sunken section (502) at the end away from the turbine valve (201).

4. The support structure for placing turbine valve brackets according to claim 2, characterized in that: The support beam (5) is in the shape of a "one" and there are two foundation supports (4), which are respectively set on the side walls of the foundations (3) on both sides of the turbine well (1); the foundation supports (4) are in the shape of an L, the vertical section of the foundation support (4) is fixedly connected to the side walls of the foundations (3) on both sides of the turbine well (1), and the support beam (5) is set between the horizontal sections of the two foundation supports (4).

5. The support structure for placing a steam turbine valve bracket according to claim 2, characterized in that: The supporting beam (5) includes a fixed section (501) and a sunken section (502). There is one fixed section (501), and the fixed section (501) is in the shape of a "one". There is one sunken section (502), and the sunken section (502) is in the shape of an L. The fixed section (501) is set on the outer side of the top surface of the sunken section (502) in the horizontal direction, and the fixed section (501) and the sunken section (502) are connected at 90° perpendicularly. There are two foundation supports (4), one of which is set on the top surface of the foundation (3) on one side of the turbine well (1), and the other is set on the side wall of the foundation (3) on the other side of the turbine well (1).

6. The support structure for placing turbine valve brackets according to claim 2, characterized in that: The foundation support (4) is connected to the foundation (3) by pre-embedded casting or by bolt connection.

7. The support structure for placing turbine valve brackets according to claim 1, characterized in that: The support beam (5) is connected to the foundation support (4) by welding or by bolting.

8. The support structure for placing a steam turbine valve bracket according to claim 1, characterized in that: The valve bracket (6) is connected to the support beam (5) by welding or by bolting.

9. The support structure for placing a steam turbine valve bracket according to claim 1, characterized in that: The supporting beam (5) is an I-beam, or a II-beam, or a T-beam, or a Π-beam, or a □-beam.

10. The support structure for placing a steam turbine valve bracket according to claim 1, characterized in that: The foundation support (4) and the support beam (5) are made of steel.

Images