CN218992223U - Heat absorber of gas turbine - Google Patents

Abstract

The utility model discloses a gas turbine heat absorber, which comprises a vibration reduction seat, wherein a shell is fixedly arranged at the top of the vibration reduction seat, a heat exchanger is fixedly arranged in the shell, the vibration reduction seat comprises a hollow mounting plate, vibration reduction mechanisms and a buffer plate, a plurality of vibration reduction mechanisms are fixedly connected with the inner cavity of the hollow mounting plate at equal intervals, the tops of the vibration reduction mechanisms are fixedly connected with the bottom end of the buffer plate, a rubber pad is fixedly connected with the top of the buffer plate, the vibration reduction mechanisms comprise a bottom plate, a rectangular block and a universal ball, the top of the bottom plate is fixedly connected with the rectangular block, the universal ball is rotationally connected with the top of the rectangular block, a supporting rod is fixedly connected with the top of the universal ball, a middle plate is fixedly connected with the top of the middle plate, a spring expansion link is sleeved on the surface of the spring expansion link, and a top plate is fixedly connected with the top plate.

Description

Heat absorber of gas turbine

Technical Field

The utility model relates to the technical field of heat absorbers, in particular to a gas turbine heat absorber.

Background

The gas turbine power device is used as a main power device of a ship, and has the advantages of small volume, light weight, quick start, convenient operation and maintenance, simple auxiliary machine and system and the like. With the continuous improvement of the requirements of shipbuilding industry on main power devices of a ship high-speed propulsion system, a series of advantages of large specific power, small size, light weight, good speed change performance, simple operation, convenient maintenance, low lubricating oil consumption, low underwater noise and the like of a gas turbine are increasingly outstanding, and the gas turbine needs to heat high-pressure air at an outlet of the gas compressor through the residual heat of gas from an outlet of a turbine by a heat absorber, so that the thermal efficiency of the device is improved.

When the high-temperature high-pressure gas enters the inner cavity of the heat absorber to exchange heat, the shell vibrates due to the flow of the gas, and the existing heat absorber is not ideal in vibration reduction effect and is easy to loosen a connecting structure.

Disclosure of Invention

The utility model aims to provide a gas turbine heat absorber, which solves the problems that when high-temperature and high-pressure gas provided in the background art enters an inner cavity of an outlet heat absorber to exchange heat, a shell vibrates due to the flow of the gas, the vibration reduction effect of the existing heat absorber is not ideal, and a connecting structure is easy to loosen.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a gas turbine heat absorber, includes the vibration damping seat, the top fixed mounting of vibration damping seat has the casing, the inside fixed mounting of casing has the heat exchanger, the vibration damping seat includes cavity mounting panel, damping mechanism and buffer board, cavity equidistance fixedly connected with a plurality of damping mechanism of cavity mounting panel, a plurality of damping mechanism's top all is with the bottom fixed connection of buffer board, the top fixedly connected with rubber pad of buffer board, damping mechanism includes bottom plate, rectangular piece and universal ball, the top fixedly connected with rectangular piece of bottom plate, the top of rectangular piece rotates and is connected with the universal ball, the top fixedly connected with bracing piece of universal ball, the top fixedly connected with medium plate of bracing piece, the top fixedly connected with spring telescopic link of medium plate, the surface of spring telescopic link has cup jointed damping spring, the top fixedly connected with roof of spring telescopic link.

Preferably, the first articulated ear of four equal fixedly connected with of corners at bottom plate top, the equal fixedly connected with second articulated ear of four corners of medium plate bottom, the inner chamber of second articulated ear articulates there is the pull rod, the bottom of pull rod is articulated with the inner chamber of first articulated ear, supports the bracing piece in four directions respectively through four near the bracing piece to cushion at the horizontal direction.

Preferably, the both sides at casing top are fixed intercommunication respectively have high-pressure blast pipe and high-pressure air inlet pipe, the both ends of casing are fixed intercommunication respectively have steam intake pipe and steam blast pipe, and high-pressure blast pipe and high-pressure air inlet pipe are used for the exhaust of high-pressure gas to advance, and steam intake pipe and steam blast pipe are used for the business turn over of steam.

Preferably, the casing includes vacuum insulation board and foaming heat preservation groove layer, the surface cladding of vacuum insulation board has foaming heat preservation groove layer, the surface cladding of foaming heat preservation groove layer has the metal inoxidizing coating, fixedly connected with glass fiber network between foaming heat preservation groove layer and the metal inoxidizing coating, carries out the heat insulation through vacuum insulation board 19, reduces thermal transfer, keeps warm through foaming heat preservation groove layer 20, prevents heat loss, strengthens the effect of heat transfer.

Preferably, the vacuum insulation panel comprises a core material, wherein the surface of the core material is coated with an encapsulation aluminum film, and the vacuum insulation panel 19 is used for heat insulation, so that heat transfer is reduced.

Compared with the prior art, the utility model has the beneficial effects that:

through being connected casing and rubber pad, the rubber pad is existing high, there is also high, certain damping effect has, thereby cushion slight vibration, when vibration amplitude is great, the roof is given with vibrations transmission to the buffer plate, the roof extrudees spring telescopic link and damping spring, utilize spring telescopic link and damping spring's elastic potential energy to cushion vibration force in vertical direction, when the vibrations of horizontal direction, the universal ball slightly rotates at the inner chamber of rectangular block, at this moment support the bracing piece in four directions respectively through four pull rods near the bracing piece, thereby cushion at the horizontal direction, increase the damping effect of casing.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of a vibration damping mount of the present utility model;

FIG. 3 is a schematic plan view of a vibration damping mount according to the present utility model;

fig. 4 is a partial cross-sectional view of the housing of the present utility model.

In the figure: 1. a vibration damping seat; 2. a housing; 3. a heat exchanger; 4. a hollow mounting plate; 5. a vibration damping mechanism; 6. a buffer plate; 7. a rubber pad; 8. a bottom plate; 9. rectangular blocks; 10. a universal ball; 11. a support rod; 12. a middle plate; 13. a spring telescoping rod; 14. a damping spring; 15. a top plate; 16. a first hinge ear; 17. a second hinge ear; 18. a pull rod; 19. vacuum insulation panels; 20. foaming heat preservation groove layer; 21. a glass fiber web; 22. a metal protective layer; 23. a high pressure exhaust pipe; 24. a high pressure air inlet pipe; 25. a hot gas inlet pipe; 26. and a hot gas exhaust pipe.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the utility model provides a gas turbine heat absorber, which comprises a vibration damping seat 1, the top of the vibration damping seat 1 is fixedly provided with a shell 2, the inside of the shell 2 is fixedly provided with a heat exchanger 3, the vibration damping seat 1 comprises a hollow mounting plate 4, vibration damping mechanisms 5 and a buffer plate 6, the inner cavity of the hollow mounting plate 4 is fixedly connected with a plurality of vibration damping mechanisms 5 at equal intervals, the tops of the vibration damping mechanisms 5 are fixedly connected with the bottom end of the buffer plate 6, the top of the buffer plate 6 is fixedly connected with a rubber pad 7, the vibration damping mechanisms 5 comprise a bottom plate 8, a rectangular block 9 and a universal ball 10, the top of the bottom plate 8 is fixedly connected with the rectangular block 9, the top of the rectangular block 9 is rotatably connected with the universal ball 10, the top of the universal ball 10 is fixedly connected with a supporting rod 11, the top of the supporting rod 11 is fixedly connected with a middle plate 12, the top of the middle plate 12 is fixedly connected with a spring telescopic rod 13, the surface of the spring telescopic rod 13 is sleeved with a vibration damping spring 14, the top of the spring telescopic rod 13 is fixedly connected with a top plate 15, the rubber pad 2 is connected with the rubber pad 7 not only has high elasticity, but also has high viscosity, a certain damping effect, accordingly, the vibration is slightly can be transmitted to the top plate 9 and the vibration damping effect is slightly, when the vibration is carried out in the horizontal direction by the top plate is the top plate 9 and the top plate is in the horizontal direction of the horizontal direction, the vibration rod is the vertical direction, and the vibration is more than the top plate is the top-shaped by the top plate and the top plate is 12 and the vibration rod is in the direction and the vertical, and the vibration is in the direction of the vertical direction and has a vibration effect and the vibration is more than the vibration is in the vibration can and the vibration is in the direction.

The first articulated ear 16 of four equal fixedly connected with of corners at bottom plate 8 top, the equal fixedly connected with second articulated ear 17 of four corners of medium plate 12 bottom, the inner chamber of second articulated ear 17 articulates there is pull rod 18, the bottom of pull rod 18 articulates with the inner chamber of first articulated ear 16.

When the vibration damping device is used, when vibration in the horizontal direction occurs, the universal ball 10 slightly rotates in the inner cavity of the rectangular block 9, and at the moment, the four pull rods 18 near the support rods 11 respectively support the support rods 11 in the four directions, so that the vibration damping effect of the machine shell 2 is improved.

The two sides of the top of the shell 2 are fixedly communicated with a high-pressure exhaust pipe 23 and a high-pressure air inlet pipe 24 respectively, and the two ends of the shell 2 are fixedly communicated with a hot air inlet pipe 25 and a hot air exhaust pipe 26 respectively.

When the heat-absorbing type gas turbine is used, the shell 2 is arranged at the top of the rubber pad 7, the hot gas inlet pipe 25 is communicated with high-temperature tail gas of the gas turbine, the high-pressure gas inlet pipe 24 is communicated with high-pressure gas, at the moment, the high-temperature tail gas enters the inner cavity of the shell 2 to exchange heat with the heat exchanger 3, the heat-absorbing heat exchanger 3 exchanges heat with the high-pressure gas, and the high-pressure gas after heat exchange is discharged from the high-pressure gas outlet pipe 23, so that the purpose of waste heat utilization is achieved.

The shell 2 comprises a vacuum heat insulation plate 19 and a foaming heat insulation groove layer 20, the surface of the vacuum heat insulation plate 19 is coated with the foaming heat insulation groove layer 20, the surface of the foaming heat insulation groove layer 20 is coated with a metal protective layer 22, a glass fiber net 21 is fixedly connected between the foaming heat insulation groove layer 20 and the metal protective layer 22, the vacuum heat insulation plate 19 comprises a core material, and the surface of the core material is coated with an encapsulation aluminum film.

When the heat-insulating shell is used, heat is insulated through the vacuum heat-insulating plate 19, heat is insulated through the foaming heat-insulating groove layer 20, heat loss is prevented, the foaming heat-insulating groove layer 20 is protected through the glass fiber net 21 and the metal protective layer 22, damage to the foaming heat-insulating groove layer 20 is prevented, heat loss of the inner cavity of the shell 2 is reduced, and the heat exchange effect is improved.

When the device is specifically used, firstly, the shell 2 is arranged at the top of the rubber pad 7, the hot gas inlet pipe 25 is communicated with high-temperature tail gas of the gas turbine, the high-pressure gas inlet pipe 24 is communicated with high-pressure gas, at the moment, the high-temperature tail gas enters the inner cavity of the shell 2 to exchange heat with the heat exchanger 3, the heat-absorbed heat exchanger 3 exchanges heat with the high-pressure gas again, the high-pressure gas after heat exchange is discharged from the high-pressure gas outlet pipe 23, so that the purpose of waste heat utilization is achieved, vibration of the shell 2 can be caused in the process of gas flow, the shell 2 is connected with the rubber pad 7, the rubber pad 7 has high elasticity and high viscosity, a certain damping effect is achieved, slight vibration is buffered, when the vibration amplitude is large, the vibration is transmitted to the top plate 15 through the buffer plate 6, the top plate 15 extrudes the spring telescopic rod 13 and the vibration-reducing spring 14, the vibration force is buffered in the vertical direction by utilizing the elastic potential energy of the spring telescopic rod 13 and the vibration reduction spring 14, when vibration in the horizontal direction exists, the universal ball 10 slightly rotates in the inner cavity of the rectangular block 9, at the moment, the four pull rods 18 near the support rod 11 respectively support the support rod 11 in four directions, so that the vibration reduction effect of the shell 2 is improved, the shell 2 is composed of the vacuum insulation plate 19, the foam insulation groove layer 20, the glass fiber net 21 and the metal protection layer 22, heat is insulated through the vacuum insulation plate 19, heat transfer is reduced, heat is prevented from losing through the foam insulation groove layer 20, the foam insulation groove layer 20 is protected through the glass fiber net 21 and the metal protection layer 22, damage to the foam insulation groove layer 20 is prevented, heat loss of the inner cavity of the shell 2 is reduced, and the heat exchange effect is improved.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (5)

1. A gas turbine heat absorber comprising a vibration damping mount (1), characterized in that: the utility model discloses a vibration damping device, including vibration damping seat (1), vibration damping seat (1) are installed on the top fixed mounting of casing (2), vibration damping seat (1) are including cavity mounting panel (4), vibration damping mechanism (5) and buffer plate (6), the inner chamber equidistance fixedly connected with of cavity mounting panel (4) a plurality of vibration damping mechanism (5), a plurality of the top of vibration damping mechanism (5) all with the bottom fixed connection of buffer plate (6), the top fixedly connected with rubber pad (7) of buffer plate (6), vibration damping mechanism (5) are including bottom plate (8), rectangle piece (9) and universal ball (10), the top fixedly connected with rectangle piece (9) of bottom plate (8), the top fixedly connected with bracing piece (11) of universal ball (10), the top fixedly connected with medium plate (12) of bracing piece (11), the top fixedly connected with spring telescopic link (13) of medium plate (12), the surface of spring telescopic link (13) cup joints spring telescopic link (14), top telescopic link (15) are connected with roof fixedly.

2. A gas turbine heat sink as defined in claim 1, wherein: four corners at the top of the bottom plate (8) are fixedly connected with first hinge lugs (16), four corners at the bottom of the middle plate (12) are fixedly connected with second hinge lugs (17), the inner cavity of the second hinge lugs (17) is hinged with a pull rod (18), and the bottom of the pull rod (18) is hinged with the inner cavity of the first hinge lugs (16).

3. A gas turbine heat sink as defined in claim 1, wherein: the two sides of the top of the shell (2) are fixedly communicated with a high-pressure exhaust pipe (23) and a high-pressure air inlet pipe (24) respectively, and the two ends of the shell (2) are fixedly communicated with a hot air inlet pipe (25) and a hot air exhaust pipe (26) respectively.

4. A gas turbine heat sink as defined in claim 1, wherein: the shell (2) comprises a vacuum insulation plate (19) and a foaming heat preservation groove layer (20), the surface of the vacuum insulation plate (19) is coated with the foaming heat preservation groove layer (20), the surface of the foaming heat preservation groove layer (20) is coated with a metal protective layer (22), and a glass fiber net (21) is fixedly connected between the foaming heat preservation groove layer (20) and the metal protective layer (22).

5. A gas turbine heat sink as defined in claim 4, wherein: the vacuum insulation panel (19) comprises a core material, and an encapsulation aluminum film is coated on the surface of the core material.

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