CN112483200A - Anti-pollution device for lubricating oil at output end of steam turbine - Google Patents
Anti-pollution device for lubricating oil at output end of steam turbine Download PDFInfo
- Publication number
- CN112483200A CN112483200A CN202110055429.0A CN202110055429A CN112483200A CN 112483200 A CN112483200 A CN 112483200A CN 202110055429 A CN202110055429 A CN 202110055429A CN 112483200 A CN112483200 A CN 112483200A
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- China
- Prior art keywords
- rotating shaft
- oil collecting
- lubricating oil
- mounting base
- bearing box
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/18—Lubricating arrangements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
The invention discloses a lubricating oil anti-pollution device for an output end of a steam turbine, which comprises a base, wherein a steam turbine rotor and a bearing box are arranged on the base, the steam turbine rotor comprises a first rotating shaft and a second rotating shaft, the first rotating shaft is fixedly connected with two end heads of the rotating shaft, a groove is formed in one end, close to the second rotating shaft, of the first rotating shaft, a protective cover is arranged outside the rotating shaft, the protective cover comprises a mounting base and an oil collecting box, the mounting base is fixed on the outer wall of the bearing box, an anti-seepage sponge is arranged at the joint of the steam turbine rotor and the bearing box, the anti-seepage sponge is mounted on the inner wall of the mounting base, an external thread is arranged at one end, far away from the bearing box, of the mounting base, an internal thread hole matched with the external thread is formed in. The invention has the beneficial effects that: effectively preventing the leakage of the lubricating oil from causing environmental pollution and saving resources.
Description
Technical Field
The invention relates to the technical field of steam turbines, in particular to a lubricating oil anti-pollution device at an output end of a steam turbine.
Background
The steam turbine is also called as a steam turbine engine, and is a rotary steam power device, high-temperature high-pressure steam passes through a fixed nozzle to become accelerated airflow and then is sprayed onto blades, so that a rotor provided with blade rows rotates, and simultaneously, does work outwards.
Disclosure of Invention
The invention aims to provide a lubricating oil anti-pollution device for the output end of a steam turbine, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an anti-pollution device for lubricating oil at the output end of a steam turbine comprises a base, wherein a steam turbine rotor and a bearing box are arranged on the base, one end of the steam turbine rotor penetrates through the bearing box, the other end of the steam turbine rotor extends into a cylindrical cylinder body of a high-pressure cylinder, the steam turbine rotor comprises a first rotating shaft and a second rotating shaft, the first rotating shaft is fixedly connected with two end heads of the first rotating shaft, a groove is formed in one end, close to the second rotating shaft, of the first rotating shaft, a protective cover is arranged outside the second rotating shaft, the protective cover comprises a mounting base and an oil collecting box, the mounting base is fixed on the outer wall of the bearing box, an anti-seepage sponge is arranged at the joint of the steam turbine rotor and the bearing box, the anti-seepage sponge is mounted on the inner wall of the mounting base, an external thread is arranged, the bottom of the oil collecting tank is provided with an oil collecting box which is communicated with the inner cavity of the oil collecting tank, and the lower opening of the oil collecting box is provided with an outer cover.
As a further scheme of the invention: and a filter screen is arranged in the oil collecting box.
As a further scheme of the invention: the oil collecting tank is in a frustum cone shape with an internal hollow structure, the depths of the bottoms of the oil collecting tanks are from shallow to deep, and a transverse tank communicated with all the oil collecting tanks is arranged at the deepest part of the oil collecting tanks.
As a further scheme of the invention: the groove is of a bowl-shaped structure.
As a further scheme of the invention: the diameter of the first rotating shaft is larger than that of the second rotating shaft.
Compared with the prior art, the invention has the beneficial effects that: the filter screen and the anti-seepage sponge are convenient to install and replace by arranging the installation base and connecting the oil collecting tank with the threads; when the steam turbine works, lubricating oil is squeezed outwards through a gap between a steam turbine rotor and a bearing box hole, the seepage-proof sponge collects the leaked lubricating oil for the first time, the lubricating oil flows to the outer wall of the second rotating shaft after overflowing the seepage-proof sponge too much, the lubricating oil on the outer wall is thrown out to the inner wall of the oil collecting box by the second rotating shaft rotating at a high speed through centrifugal force, the lubricating oil can be gathered in the oil collecting box, the lubricating oil slides to the transverse groove at the bottom along the oil collecting groove under the action of gravity, and finally the lubricating oil enters the oil collecting box after being filtered by the filter screen, the lubricating oil can be collected and reused by opening the outer cover, the environmental pollution caused by the leakage of the lubricating.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the structure of the present invention.
In the figure: 1. the device comprises a base, 2, a turbine rotor, 21, a first rotating shaft, 22, a second rotating shaft, 3, a bearing box, 4, a groove, 5, a protective cover, 51, an installation base, 52, an oil collecting tank, 6, an anti-seepage sponge, 7, external threads, 8, an internal thread hole, 9, an oil collecting groove, 10, an oil collecting box, 11, an outer cover, 12, a filter screen, 13 and a transverse groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, in the embodiment of the present invention, an anti-pollution device for lubricating oil at an output end of a steam turbine includes a base 1, a steam turbine rotor 2 and a bearing box 3 are disposed on the base 1, one end of the steam turbine rotor 2 passes through the bearing box 3, and the other end of the steam turbine rotor extends into a cylindrical cylinder body of a high-pressure cylinder, the steam turbine rotor 2 includes a first rotating shaft 21 and a second rotating shaft 22, the diameter of the first rotating shaft 21 is greater than that of the second rotating shaft 22, the first rotating shaft 21 and the second rotating shaft 22 are fixedly connected, a groove 4 is disposed at one end of the first rotating shaft 21, which is close to the second rotating shaft 22, the groove 4 is in a bowl-shaped structure, the bowl-shaped structure can better prevent lubricating oil from overflowing, a shield 5 is disposed outside the second rotating shaft 22, the shield 5 includes a mounting base 51 and an oil collecting box, the anti-seepage sponge 6 is arranged on the inner wall of the mounting base 51, an external thread 7 is arranged at one end of the mounting base 51 far away from the bearing box 3, an internal thread hole 8 matched with the external thread 7 is arranged at one end of the oil collecting box 52 close to the mounting base 51, a plurality of oil collecting grooves 9 are arranged in the circumferential direction of the inner wall of the oil collecting box 52, the oil collecting box 52 is in a cone frustum shape with an internal hollow structure, the depths of the bottoms of the oil collecting grooves 9 are from shallow to deep, so that the overflowed lubricating oil can be collected in the deepest part of the bottom through the oil collecting groove 9, a transverse groove 13 communicated with all the oil collecting grooves 9 is arranged in the deepest part of the oil collecting groove 9, an oil collecting box 10 is arranged at the bottom of the oil collecting box 52, the oil collecting box 10 is communicated with the inner cavity of the oil collecting box, and the filter screen 12 can be conveniently and quickly replaced, and the lower opening of the oil collecting box 10 is provided with an outer cover 11.
When the turbine is used, the mounting base 51 and the oil collecting tank 52 are separated by rotating, the filter screen 12 is mounted in the oil collecting tank 10, the anti-seepage sponge 6 is mounted at the joint of the mounting base 51 and the bearing tank 3, then the mounting base 51 and the oil collecting tank 52 are connected in a rotating manner, the oil collecting tank 9 is positioned at the deepest part and at the bottommost part after fastening by arranging the external threads 7 and the internal thread holes 8, when the turbine works, lubricating oil is squeezed outwards through a gap between the holes of the turbine rotor 2 and the bearing tank 3, the anti-seepage sponge 6 collects the leaked lubricating oil for the first time, when the lubricating oil excessively overflows the anti-seepage sponge 6, the lubricating oil flows to the outer wall of the rotating shaft two 22, the lubricating oil on the outer wall is thrown out to the inner wall of the oil collecting tank 52 by the centrifugal force of the rotating shaft two 22 at high speed, the lubricating oil is collected in the oil collecting tank 9, finally, the lubricating oil enters the oil collecting box 10 after being filtered by the filter screen 12, and the lubricating oil can be collected and reused by opening the outer cover 11.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides a turbine output lubricating oil anti-pollution device, includes base (1), be provided with turbine rotor (2) and bearing box (3) on base (1), bearing box (3) are passed to turbine rotor (2) one end, and the other end stretches into high-pressure cylinder's tube-shape cylinder body, its characterized in that: the turbine rotor (2) comprises a first rotating shaft (21) and a second rotating shaft (22), the first rotating shaft (21) is fixedly connected with the end of the second rotating shaft (22), a groove (4) is formed in one end, close to the second rotating shaft (22), of the first rotating shaft (21), a protective cover (5) is arranged outside the second rotating shaft (22), the protective cover (5) comprises a mounting base (51) and an oil collecting box (52), the mounting base (51) is fixed on the outer wall of the bearing box (3), an anti-seepage sponge (6) is arranged at the joint of the turbine rotor (2) and the bearing box (3), the anti-seepage sponge (6) is mounted on the inner wall of the mounting base (51), an external thread (7) is arranged at one end, far away from the bearing box (3), of the mounting base (51), an internal thread hole (8) matched with the external thread (7) is arranged at one end, close, the oil collecting device is characterized in that a plurality of oil collecting grooves (9) are formed in the circumferential direction of the inner wall of the oil collecting tank (52), an oil collecting box (10) is arranged at the bottom of the oil collecting tank (52), the oil collecting box (10) is communicated with the inner cavity of the oil collecting tank (52), and an outer cover (11) is arranged at the lower opening of the oil collecting box (10).
2. The turbine output end lubricating oil contamination prevention device according to claim 1, characterized in that: a filter screen (12) is arranged in the oil collecting box (10).
3. The turbine output end lubricating oil contamination prevention device according to claim 1, characterized in that: the oil collecting tank (52) is in a conical frustum shape with an internal hollow structure, the depths of the bottoms of the oil collecting tanks (9) are from shallow to deep, and a transverse tank (13) communicated with all the oil collecting tanks (9) is arranged in the deepest part of each oil collecting tank (9).
4. The turbine output end lubricating oil contamination prevention device according to claim 1, characterized in that: the groove (4) is of a bowl-shaped structure.
5. The turbine output end lubricating oil contamination prevention device according to claim 1, characterized in that: the diameter of the first rotating shaft (21) is larger than that of the second rotating shaft (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110055429.0A CN112483200A (en) | 2021-01-15 | 2021-01-15 | Anti-pollution device for lubricating oil at output end of steam turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110055429.0A CN112483200A (en) | 2021-01-15 | 2021-01-15 | Anti-pollution device for lubricating oil at output end of steam turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112483200A true CN112483200A (en) | 2021-03-12 |
Family
ID=74912389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110055429.0A Pending CN112483200A (en) | 2021-01-15 | 2021-01-15 | Anti-pollution device for lubricating oil at output end of steam turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112483200A (en) |
-
2021
- 2021-01-15 CN CN202110055429.0A patent/CN112483200A/en active Pending
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