CN217976317U

CN217976317U - Cooling structure applied to turbine wheel disc of marine gas turbine

Info

Publication number: CN217976317U
Application number: CN202222173339.4U
Authority: CN
Inventors: 陈静; 张学员
Original assignee: Nantong Jihai Marine Equipment Co ltd
Current assignee: Nantong Jihai Marine Equipment Co ltd
Priority date: 2022-08-18
Filing date: 2022-08-18
Publication date: 2022-12-06
Anticipated expiration: 2032-08-18

Abstract

The utility model discloses a be applied to cooling structure of marine gas turbine wheel dish relates to turbine wheel dish cooling field, including turbine wheel dish and round bar, the round bar is fixed to be pegged graft in the round hole of turbine wheel dish upper surface, still including seting up a plurality of ventilation holes on the turbine wheel dish, the upper and lower both sides of turbine wheel dish are all fixed and are provided with the heat dissipation dish, two the heat dissipation dish all cup joints with the round bar is fixed, still be provided with two fans of blowing on the round bar, two the fan of blowing is located the upper and lower both sides of turbine wheel dish respectively, and two fans of blowing's the direction of blowing is the same. The utility model discloses utilize turbine rim plate pivoted power to realize the cooling, need not install cooling device in addition, reduced the inside installation degree of difficulty of gas turbine, and need not consume other energy, reduce energy resource consumption, the people of being convenient for use.

Description

Cooling structure applied to turbine wheel disc of marine gas turbine

Technical Field

The utility model belongs to the technical field of the turbine rim plate cooling, specifically be a be applied to cooling structure of marine gas turbine rim plate.

Background

In a gas turbine, a turbine wheel disc is one of the most complex parts, which not only bears high-temperature load transmitted from a gas through-flow area, but also bears centrifugal load brought by the turbine wheel disc and blades, and a marine gas turbine has the conditions of quick start and stop, variable working conditions, uneven temperature of a combustion chamber outlet and the like due to the special working properties of the marine gas turbine, so that the working conditions of the turbine wheel disc are extremely complex, and along with the continuous increase of the temperature of the combustion chamber outlet, the thermal load of the wheel disc is increased, the thermal stress is increased, and the strength reserve is reduced. Therefore, the turbine needs to be efficiently designed to have a cooling structure, so that the service life of the wheel disc is prolonged.

At present, when the turbine disk is cooled, a device for cooling the turbine disk is generally added on the outside, so that the installation complexity and the installation difficulty in the gas turbine are increased, and more energy is consumed for the operation of the cooling device, so that the energy waste is caused.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a be applied to cooling structure of marine gas turbine wheel dish, effectual solution is when cooling off the turbine wheel dish at present, generally through externally increasing the refrigerated device of turbine wheel dish, has increased the installation complexity and the installation degree of difficulty among the gas turbine, and cooling device operation need consume more energy, causes the extravagant problem of the energy.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a be applied to cooling structure of marine gas turbine wheel dish, includes turbine wheel dish and round bar, the round bar is fixed to be pegged graft in the round hole of turbine wheel dish upper surface, still includes a plurality of ventilation holes of seting up on the turbine wheel dish, the upper and lower both sides of turbine wheel dish are all fixed and are provided with the heat dissipation dish, two the heat dissipation dish all cup joints with the round bar is fixed, still be provided with two fans of blowing on the round bar, two the fan of blowing is located the upper and lower both sides of turbine wheel dish respectively, and two fans of blowing blow the direction the same.

Preferably, every the heat dissipation dish all includes drum and a plurality of fin, the fixed cover of drum is established on the pole wall of round bar and with turbine wheel dish fixed connection, and is a plurality of the fin is the annular setting around the drum and with the excircle lateral wall fixed connection of drum.

Preferably, the upper side and the lower side of the turbine wheel disc are fixedly connected with a group of arc plates, each group of arc plates are arranged on one side of the plurality of ventilation holes respectively, and one side of each arc plate close to the turbine wheel disc is obliquely arranged.

Preferably, the upper side and the lower side of the turbine wheel disc are fixedly connected with annular plates, and the ends, away from the center of the turbine wheel disc, of the two groups of arc plates are fixedly connected with the two annular plates respectively.

Preferably, the number of the ventilation holes is six, and the number of the arc-shaped plates in each group is six.

Preferably, the number of the ventilation holes is eight, and the number of the arc-shaped plates in each group is eight.

Preferably, the fan of blowing includes sleeve and a plurality of flabellum, the sleeve cup joints with the pole wall of pole is fixed, and is a plurality of the flabellum is the annular setting around the sleeve and with telescopic excircle lateral wall fixed connection.

The utility model discloses a technological effect and advantage:

1. through a plurality of ventilation holes that are equipped with, two heat dissipation dishes and two fan of blowing that the direction is the same, when the turbine rim plate is rotating, heat on the turbine rim plate can transmit to two heat dissipation dishes, two heat dissipation dishes are followed the turbine rim plate and are rotated, can distribute the heat fast, and the heat radiating area who enlarges, and two fan of blowing are followed the turbine rim plate and are rotated, can blow to same direction, the air current passes through a plurality of ventilation holes on the turbine rim plate, can take away the heat on the turbine rim plate, thereby realize the quick cooling effect to the turbine rim plate, and this device utilizes turbine rim plate pivoted power to realize the cooling, need not install cooling device in addition, the inside installation degree of difficulty of gas turbine has been reduced, and need not consume other energy, reduce energy consumption, be convenient for people to use.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a front schematic structural view of the present invention;

fig. 2 is a schematic front sectional view of the turbine wheel disc of the present invention;

fig. 3 is a schematic top view of the turbine wheel disc of the present invention;

fig. 4 is a schematic perspective view of the arc plate of the present invention;

fig. 5 is a schematic top view of the blowing fan of the present invention.

In the figure: 1. a turbine disk; 2. a round bar; 3. a vent hole; 4. a cylinder; 5. a heat sink; 6. an arc-shaped plate; 7. an annular plate; 8. a sleeve; 9. a fan blade.

Detailed Description

The utility model provides a cooling structure for marine gas turbine wheel dish as shown in fig. 1-5, including turbine wheel dish 1 and round bar 2, round bar 2 is fixed to be pegged graft in the round hole of 1 upper surface of turbine wheel dish, still including seting up a plurality of ventilation holes 3 on turbine wheel dish 1, the upper and lower both sides of turbine wheel dish 1 are all fixed and are provided with the heat dissipation dish, and two heat dissipation dishes all cup joint with round bar 2 is fixed, still is provided with two fans of blowing on the round bar 2, and two fans of blowing are located the upper and lower both sides of turbine wheel dish 1 respectively, and two fans of blowing's the direction of blowing is the same.

As shown in fig. 1-3, each heat dissipation plate comprises a cylinder 4 and a plurality of heat dissipation fins 5, the cylinder 4 is fixedly sleeved on the rod wall of the round rod 2 and is fixedly connected with the turbine wheel disc 1, the plurality of heat dissipation fins 5 are annularly arranged around the cylinder 4 and are fixedly connected with the outer circle side wall of the cylinder 4, heat on the turbine wheel disc 1 can be transferred to the cylinder 4, then the heat is transferred to the plurality of heat dissipation fins 5 through the cylinder 4, and then the heat is dissipated through the plurality of heat dissipation fins 5, so that the heat dissipation area can be enlarged, and the heat on the turbine wheel disc 1 can be rapidly dissipated.

As shown in fig. 2-4, a set of arc 6 is fixedly connected to the upper and lower sides of the turbine wheel disc 1, the plurality of arc 6 in each set are respectively arranged on one side of the plurality of ventilation holes 3, one side of each arc 6 close to the turbine wheel disc 1 is obliquely arranged, the plurality of arc 6 in each set can rotate along with the turbine wheel disc 1, so that the airflow can rapidly pass through the ventilation holes 3, and the heat dissipation effect of the turbine wheel disc 1 is increased.

As shown in fig. 1-3, the equal fixedly connected with annular plate 7 in the upper and lower both sides of turbine rim plate 1, the one end that two sets of arcs 6 kept away from turbine rim plate 1 center is equallyd divide respectively with two annular plate 7 fixed connection, makes the air current to the inside gathering of turbine rim plate 1 to flow through a plurality of ventilation holes 3, improve the radiating effect.

Meanwhile, the number of the ventilation holes 3 is set to six, and the number of the arc-shaped plates 6 in each group is set to six.

In addition, the number of the ventilation holes 3 is set to eight, and the number of the arc-shaped plates 6 in each group is set to eight.

As shown in fig. 1 and 5, the blowing fan includes a sleeve 8 and a plurality of fan blades 9, the sleeve 8 is fixedly sleeved on the rod wall of the circular rod 2, and the plurality of fan blades 9 are annularly arranged around the sleeve 8 and fixedly connected with the outer circular side wall of the sleeve 8.

The utility model discloses the theory of operation: through a plurality of ventilation holes 3 that are equipped with, two heat dissipation dishes and two fan of blowing that the direction is the same, when turbine rim plate 1 is rotating, heat on the turbine rim plate 1 can transmit to two heat dissipation dishes on, two heat dissipation dishes follow turbine rim plate 1 and rotate, can distribute the heat fast, and the heat radiating area who enlarges, and two fan of blowing follow turbine rim plate 1 and rotate, can blow to same direction, the air current passes through a plurality of ventilation holes 3 on the turbine rim plate 1, can take away the heat on the turbine rim plate 1, thereby realize the quick cooling effect to turbine rim plate 1, and this device utilizes 1 pivoted power of turbine rim plate to realize the cooling, do not need to install cooling device in addition, the inside installation degree of difficulty of gas turbine has been reduced, and need not consume other energy, reduce energy consumption, and the people of being convenient for use.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a be applied to cooling structure of marine gas turbine wheel dish, includes turbine wheel dish (1) and round bar (2), round bar (2) are fixed to be pegged graft in the round hole of turbine wheel dish (1) upper surface, its characterized in that: still including seting up a plurality of ventilation holes (3) on turbine rim plate (1), the upper and lower both sides of turbine rim plate (1) are all fixed and are provided with the heat dissipation dish, two the heat dissipation dish all cup joints with round bar (2) is fixed, still be provided with two fans of blowing on round bar (2), two the fan of blowing is located the upper and lower both sides of turbine rim plate (1) respectively, and two fans of blowing's the direction of blowing the same.

2. The cooling structure applied to a turbine disk of a gas turbine for a ship according to claim 1, wherein: every the heat dissipation dish all includes drum (4) and a plurality of fin (5), drum (4) fixed cover establish on the pole wall of round bar (2) and with turbine wheel dish (1) fixed connection, a plurality of fin (5) are the annular setting around drum (4) and with the excircle lateral wall fixed connection of drum (4).

3. The cooling structure as claimed in claim 2, wherein the cooling structure is applied to a turbine disk of a gas turbine for a ship, and the cooling structure comprises: the equal fixedly connected with a set of arc (6) in upper and lower both sides of turbine rim plate (1), a plurality of arc (6) of every group set up respectively in one side of a plurality of ventilation holes (3), and one side that every arc (6) are close to turbine rim plate (1) is the slope setting.

4. The cooling structure applied to a turbine disk of a gas turbine for a ship according to claim 3, wherein: the turbine wheel disc is characterized in that the upper side and the lower side of the turbine wheel disc (1) are fixedly connected with annular plates (7), and the two ends, away from the center of the turbine wheel disc (1), of the arc-shaped plates (6) are fixedly connected with the two annular plates (7).

5. The cooling structure applied to a turbine disk of a gas turbine for a ship according to claim 4, wherein: the number of the ventilation holes (3) is six, and the number of the arc-shaped plates (6) in each group is six.

6. The cooling structure applied to a turbine disk of a gas turbine for a ship according to claim 5, wherein: the number of the ventilation holes (3) is eight, and the number of the arc-shaped plates (6) in each group is eight.

7. The cooling structure applied to a turbine disk of a gas turbine for a ship according to claim 6, wherein: the fan of blowing includes sleeve (8) and a plurality of flabellum (9), sleeve (8) and the pole wall of round bar (2) are fixed to be cup jointed, and are a plurality of flabellum (9) are the annular setting around sleeve (8) and with the excircle lateral wall fixed connection of sleeve (8).