Steam turbine generator unit cylinder platform for ship

Abstract

The invention discloses a steam turbine generator unit cylinder platform for a ship, and relates to the technical field of steam turbine generators. The problem that an existing steam turbine generator unit is high in equipment arrangement difficulty is solved. The device comprises a raft frame platform and an outer cylinder, the outer cylinder and the raft frame platform form an integrated structure, the integrated structure is used for installing an inner cylinder, the outer cylinder comprises a front bearing seat, a rear bearing seat and a steam seal body, the bearing seats are communicated with a lubricating oil pipeline, and the steam seal body is communicated with a steam extraction pipeline and a steam supply pipeline. The lubricating oil pipeline, the steam extraction pipeline and the steam supply pipeline are all laid in the raft frame platform, and the ends, extending out of the raft frame platform, of the lubricating oil pipeline, the steam extraction pipeline and the steam supply pipeline communicate with external equipment through flanges correspondingly. A lubricating oil pipeline of the bearing seat and a steam extraction pipeline and a steam supply pipeline of the steam seal body are integrated in the multifunctional platform, the internal space of a cabin is not occupied, the space for arranging equipment in the cabin is large, and then the equipment installation difficulty is lowered.

Description

Technical Field

[0001] The present invention relates to the technical field of steam turbine generators, and in particular to a cylinder platform for a marine steam turbine generator set. Background Art

[0002] The cylinder of a steam turbine generator set usually includes an inner cylinder and an outer cylinder. The inner cylinder is a key component inside the generator set. It carries the flow of high-temperature and high-pressure steam and the task of converting energy. It usually includes components such as partitions, nozzles, and rotors. The outer cylinder is the outer casing of the turbine. It separates the flow part of the turbine from the atmosphere and provides a closed space for the turbine to achieve energy conversion. It usually includes components such as bearing boxes and steam seals.

[0003] In the existing technology, in order to realize the function of the generator set, in addition to the cylinder structure, it is also necessary to have generators, oil motors, accumulators, quick-closing valves and oil tanks and other equipment. These necessary equipment need to be arranged in a narrow cabin, and the lubricating oil pipeline of the bearing box, the steam supply pipeline of the steam seal body and the steam extraction pipeline are all surrounded by the outer edge of the turbine, occupying a large cabin space, resulting in high difficulty in equipment layout, chaotic layout of equipment inside the cabin, and complicated circuits, which greatly reduces the utilization rate of the cabin space.

[0004] In summary, existing steam turbine generator sets have the problem of high difficulty in equipment layout. Summary of the Invention

[0005] The purpose of the present invention is to solve the problem of high equipment layout difficulty in existing steam turbine generator sets and further provide a cylinder platform for marine steam turbine generator sets.

[0006] The technical solution of the present invention is: a cylinder platform for a marine steam turbine generator set, comprising: a raft platform and an outer cylinder, wherein the outer cylinder and the raft platform form an integrated structure, wherein the integrated structure is used to mount an inner cylinder, wherein the outer cylinder comprises front and rear bearing seats and a steam seal body, wherein the bearing seats are connected to lubricating oil pipelines, and the steam seal body is connected to steam extraction pipelines and steam supply pipelines;

[0007] The lubricating oil pipeline, the steam extraction pipeline and the steam supply pipeline are all laid inside the raft platform, and the ends of the lubricating oil pipeline, the steam extraction pipeline and the steam supply pipeline extending out of the raft platform are connected to external equipment through flanges respectively.

[0008] Furthermore, the raft platform has a supporting structure, and the inner cylinder is installed on the supporting structure.

[0009] Furthermore, the support structure includes a positioning pin and a guide key, the positioning pin is plug-connected to the inner cylinder, and the guide key is slidingly connected to the inner cylinder.

[0010] Furthermore, the front and rear bearing seats and the steam seal body are fixedly mounted on the raft platform by welding.

[0011] Furthermore, the bottom surface of the raft platform is a rectangular structure.

[0012] Furthermore, the raft platform has a first equipment placement area, and the first equipment placement area is used to install a generator.

[0013] Furthermore, the raft platform is provided with a second equipment placement area, and the second equipment placement area is used for installing an oil motor.

[0014] Furthermore, the raft platform is provided with a third equipment placement area, and the third equipment placement area is used for installing an oil tank.

[0015] Furthermore, the raft platform is provided with a fourth equipment placement area, and the fourth equipment placement area is used for installing an accumulator.

[0016] Furthermore, the raft platform is provided with a fifth equipment placement area, and the fifth equipment placement area is used for installing a quick-closing valve.

[0017] Compared with the prior art, the present invention has the following effects:

[0018] 1. The cylinder platform for a marine steam turbine generator set provided by the present invention integrates the lubricating oil pipeline of the bearing seat, the steam extraction pipeline of the steam seal body, and the steam supply pipeline inside the multifunctional platform, which does not occupy excess space inside the cabin. The space inside the cabin for arranging equipment is larger, thereby reducing the difficulty of equipment installation.

[0019] 2. The marine steam turbine generator cylinder platform provided by the present invention is suitable for arranging generators, oil motors, accumulators, quick-closing valves, oil tanks and other equipment in the cabin for the steam turbine generator to generate electricity. These equipment are concentrated on the multi-functional platform of the steam turbine generator cylinder, which effectively solves the problem of multiple equipment layouts and redundant circuits in the cabin, thereby greatly improving the cabin space utilization rate.

[0020] 3. The cylinder platform of the marine steam turbine generator set provided by the present invention has an inner cylinder supported on a supporting structure provided on the raft platform. The raft platform structure is more stable and reliable. The expansion problem is solved by sliding with a guide key, and the positioning problem is solved by a positioning pin, so that the installation effect of the inner cylinder is better.

[0021] 4. The cylinder platform of the marine steam turbine generator set provided by the present invention has a rectangular structure on the bottom surface of the raft platform, which has a better frame structure, rigidity and strength, and a better use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0023] In the figure: 1. Raft platform; 2. Lubricating oil pipeline; 3. Steam extraction pipeline; 4. Steam supply pipeline; 5. Locating pin; 6. Guide key; 7. First equipment placement area; 8. Second equipment placement area; 9. Third equipment placement area; 10. Fourth equipment placement area; 11. Fifth equipment placement area; 12. Front bearing seat; 13. Rear bearing seat; 14. Front steam seal body; 15. Rear steam seal body. DETAILED DESCRIPTION

[0024] Specific implementation method 1: Combination Figure 1 The present embodiment is described. The present embodiment includes a raft platform 1 and an outer cylinder. An integrated structure is formed by the outer cylinder and the raft platform 1. The integrated structure is used to install the inner cylinder. The inner cylinder is installed inside the outer cylinder. The outer cylinder includes front and rear bearing seats and a steam seal body. The front and rear bearing seats include a front bearing seat 12 and a rear bearing seat 13. The steam seal body includes a front steam seal body 14 and a rear steam seal body 15. The front and rear bearing seats are connected with a lubricating oil pipeline 2. The steam seal body is connected with a steam extraction pipeline 3 and a steam supply pipeline 4. The lubricating oil pipeline 2, the steam extraction pipeline 3 and the steam supply pipeline 4 are all laid in the raft platform 1. Specifically, a lightening hole is provided inside the raft platform 1. One end of the lubricating oil pipeline 2, the steam extraction pipeline 3 and the steam supply pipeline 4 extend out of the raft platform 1 after passing through the lightening hole and are connected to external equipment through flanges respectively.

[0025] The cylinder platform of the marine steam turbine generator set in this embodiment integrates the lubricating oil pipeline 2 of the bearing seat, the steam extraction pipeline 3 of the steam seal body and the steam supply pipeline 4 inside the multi-functional platform, which does not occupy the internal space of the cabin. The space inside the cabin for arranging equipment is larger, thereby reducing the difficulty of equipment installation.

[0026] Specific implementation method 2: Combination Figure 1 This embodiment differs from the first embodiment in that the raft platform 1 includes a support structure, on which the inner cylinder is mounted. The support structure serves as a positioning and connection mechanism, facilitating the connection between the inner and outer cylinders and making assembly more convenient. The remaining components and connections are the same as those in the first embodiment.

[0027] Specific implementation method three: Combination Figure 1 This embodiment differs from the second embodiment in that the support structure includes a locating pin 5 and a guide key 6. The locating pin 5 is plug-connected to the inner cylinder, while the guide key 6 is slidably connected to the inner cylinder. The sliding fit between the guide key 6 and the inner cylinder prevents expansion of the inner cylinder, while the plug-in fit between the locating pin 5 and the inner cylinder prevents positioning, resulting in a better connection between the inner and outer cylinders. The remaining components and connection relationships are the same as those in the second embodiment.

[0028] Specific implementation method four: Combination Figure 1This embodiment differs from the first embodiment in that the front and rear bearing blocks and the steam seal body are fixed to the raft platform 1 via welding. This welding connection allows the lower half of the outer cylinder to be integrated with the raft platform 1, enhancing overall stability. Of course, the above description is not restrictive. As an alternative embodiment, the bearing blocks and steam seal body can also be installed on the raft platform 1 via bolts. The remaining components and connections are the same as those in the first embodiment.

[0029] Specific implementation method five: Combination Figure 1 This embodiment differs from the first embodiment in that the bottom surface of the raft platform 1 is a rectangular structure. This provides a frame structure with improved rigidity and strength, a more stable structure, and improved performance. Of course, the above description is not restrictive. As an alternative embodiment, the bottom surface of the raft platform 1 can also be a circular structure. Other components and connections are the same as those of any of the first to fourth embodiments.

[0030] Specific implementation method six: combination Figure 1 This embodiment differs from the first embodiment in that the raft platform 1 includes a first equipment placement area 7 for installing a generator. By integrating the generator onto the raft platform 1, the cylinder platform not only functions as a cylinder but also as a generator, achieving multifunctional integration. The remaining components and connections are the same as those of any of the first to fourth embodiments.

[0031] Specific implementation method seven: combination Figure 1 This embodiment differs from the first embodiment in that the raft platform 1 includes a second equipment placement area 8 for mounting a hydraulic motor. By integrating the hydraulic motor with the raft platform 1, the cylinder platform not only functions as a cylinder, but also has drive and regulation capabilities, achieving multifunctional integration. The remaining components and connections are the same as those of any of the first to fourth embodiments.

[0032] Specific implementation method eight: combination Figure 1 This embodiment differs from the first embodiment in that the raft platform 1 includes a third equipment placement area 9 for mounting a fuel tank. By integrating the fuel tank onto the raft platform 1, the cylinder platform not only functions as a cylinder but also as a raw material storage system, achieving multifunctional integration. The remaining components and connections are the same as those of any of the first to fourth embodiments.

[0033] Specific implementation method nine: Combination Figure 1This embodiment differs from the first embodiment in that the raft platform 1 includes a fourth equipment placement area 10 for installing an accumulator. By integrating the accumulator into the raft platform 1, the cylinder platform not only functions as a cylinder but also as an energy storage system, achieving multifunctional integration. The remaining components and connections are the same as those of any of the first to fourth embodiments.

[0034] Specific implementation method ten: Combination Figure 1 This embodiment differs from the first embodiment in that the raft platform 1 includes a fifth equipment installation area 11 for installing a quick-closing valve. By integrating the quick-closing valve into the raft platform 1, the cylinder platform not only functions as a cylinder but also provides emergency shutdown protection, thus achieving multifunctional integration. The remaining components and connections are the same as those of any of the first to fourth embodiments.

[0035] The content of the present invention is not limited to the content of the above-mentioned embodiments. The combination of one or more specific embodiments can also achieve the purpose of the invention.

Claims

1. A cylinder platform for a marine steam turbine generator set, comprising: A raft platform (1) and an outer cylinder, wherein the outer cylinder and the raft platform (1) form an integrated structure, wherein the integrated structure is used to install the inner cylinder, wherein the outer cylinder comprises front and rear bearing seats and a steam seal body, wherein the bearing seat is connected to a lubricating oil pipeline (2), and the steam seal body is connected to a steam extraction pipeline (3) and a steam supply pipeline (4); It is characterized in that the lubricating oil pipeline (2), the steam extraction pipeline (3) and the steam supply pipeline (4) are all laid inside the raft platform (1), and one end of the lubricating oil pipeline (2), the steam extraction pipeline (3) and the steam supply pipeline (4) extending out of the raft platform (1) are connected to external equipment through flanges.

2. A marine steam turbine generator cylinder platform according to claim 1, characterized in that: The raft platform (1) has a supporting structure, and the inner cylinder is mounted on the supporting structure.

3. A marine steam turbine generator cylinder platform according to claim 2, characterized in that: The supporting structure comprises a positioning pin (5) and a guide key (6); the positioning pin (5) is plug-connected to the inner cylinder, and the guide key (6) is slidably connected to the inner cylinder.

4. A marine steam turbine generator cylinder platform according to claim 1, characterized in that: The front and rear bearing seats and the steam seal body are fixedly mounted on the raft platform (1) by welding.

5. A marine steam turbine generator cylinder platform according to any one of claims 1 to 4, characterized in that: The bottom surface of the raft platform (1) is a rectangular structure.

6. A marine steam turbine generator cylinder platform according to any one of claims 1 to 4, characterized in that: The raft platform (1) is provided with a first equipment placement area (7), and the first equipment placement area (7) is used for installing a generator.

7. A marine steam turbine generator cylinder platform according to any one of claims 1 to 4, characterized in that: The raft platform (1) is provided with a second equipment placement area (8), and the second equipment placement area (8) is used for installing an oil motor.

8. A marine steam turbine generator cylinder platform according to any one of claims 1 to 4, characterized in that: The raft platform (1) is provided with a third equipment placement area (9), and the third equipment placement area (9) is used for installing an oil tank.

9. A marine steam turbine generator cylinder platform according to any one of claims 1 to 4, characterized in that: The raft platform (1) is provided with a fourth equipment placement area (10), and the fourth equipment placement area (10) is used to install an accumulator.

10. A marine steam turbine generator cylinder platform according to any one of claims 1 to 4, characterized in that: The raft platform (1) is provided with a fifth equipment placement area (11), and the fifth equipment placement area (11) is used for installing a quick-closing valve.

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