CN213981025U - Bearing oil mist absorbing device is derived in power station - Google Patents
Bearing oil mist absorbing device is derived in power station Download PDFInfo
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- CN213981025U CN213981025U CN202022917534.4U CN202022917534U CN213981025U CN 213981025 U CN213981025 U CN 213981025U CN 202022917534 U CN202022917534 U CN 202022917534U CN 213981025 U CN213981025 U CN 213981025U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
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Abstract
The utility model provides a power station derives bearing oil mist absorbing device, it includes the trachea of intercepting, the guide plate, the extension pipe, flange and air cleaner, the wind shield sub-unit connection under connecting plate through the trachea of intercepting and hydraulic turbine unit rotor, the guide plate is located hydraulic turbine unit rotor wind shield upper portion rather than being connected, through flange both ends respectively with the blast pipe and the extension union UNICOM of intercepting trachea, it sets up air cleaner to be located the extension pipe, the sealed chamber UNICOM of bearing is derived with hydraulic turbine unit to the extension pipe, through the wind current direction of guide plate towards hydraulic turbine unit rotor wind shield, introduce the extension pipe with the wind current and prevent to derive the interior oil mist of bearing and spill over. The utility model overcomes former hydroelectric set leads to atmospheric pressure temperature variation to make the sealed chamber pressure that hydroelectric set derived the bearing too big because of the rotational speed, makes the interior oil smoke of derivation bearing spill over the problem that pollutes the generator and dust debris get into the oil groove, has simple structure, can not pollute the generator, is favorable to preventing dust debris to get into the oil groove, easy operation convenient characteristics.
Description
Technical Field
The utility model belongs to the technical field of the bearing oil is derived to the hydraulic turbine group, a bearing oil mist absorbing device is derived in power station is related to.
Background
The upper sealing cover of the derivation bearing of the hydropower station unit generally adopts a double-cavity structure, an upper sealing cavity is connected with a lower wind shield of the rotor through a pipeline, and an oil mist cavity is connected with an oil mist absorption device through a pipeline. When the unit operates, the air blow sealing cavity below the rotor prevents oil mist in the oil mist cavity from overflowing the upper sealing cover. However, this structure has the following drawbacks: the air speed below the rotor is far higher than that in the air sealing cavity, and the air in the lower wind shield plate can be regarded as incompressible ideal gas at the rotating speed and temperature when the unit operates, so that the pressure of fluid at a high-speed place is low, and the pressure of a low-speed place is high in a flow field, which can cause the pressure of the air sealing cavity in a steel pipe connecting the air sealing cavity and the lower wind shield plate to be higher than that of the lower wind shield plate of the rotor, thereby forming a jet pump which sucks the oil mist in the upper sealing cover into the lower wind shield plate of the rotor to further pollute the generator; secondly, foreign matters such as dust and impurities below the rotor may enter the thrust oil groove along with the pipeline to pollute turbine oil.
Disclosure of Invention
The utility model aims to solve the technical problem that a bearing oil mist absorbing device is derived in power station is provided, moreover, the steam turbine generator system is simple in structure, adopt the connecting plate of cut-off pipe and the lower wind shield sub-unit connection of hydraulic turbine generator system rotor, the guide plate is located the lower wind shield upper portion of hydraulic turbine generator system rotor and is connected with it, the flange both ends respectively with the blast pipe and the extension UNICOM of cut-off pipe, it sets up air cleaner to be located the extension pipe, the extension pipe derives the sealed chamber UNICOM of bearing with hydraulic turbine generator system, the guide plate is towards the wind current direction of wind shield under the hydraulic turbine generator system rotor, introduce the extension pipe with the wind current and prevent to derive the interior oil mist of bearing and spill over, can not pollute the generator, be favorable to preventing dust debris entering oil groove, and easy operation is convenient.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: a hydropower station thrust bearing oil mist absorption device comprises an air intercepting pipe, a guide plate, an extension pipe, a flange and an air filter; the flange is connected with the exhaust pipe of the air intercepting pipe, one end of the extension pipe is connected with the flange, the air filter is positioned on the extension pipe and connected with the extension pipe, and the guide plate is positioned on the upper portion of the air inlet pipe of the air intercepting pipe.
The gas intercepting pipe comprises a gas exhaust pipe communicated with a gas inlet pipe, and a connecting plate is arranged at a gas inlet of the gas inlet pipe.
The exhaust pipe is a tapered reducer.
The guide plate is an arc-shaped plate with a streamline structure.
A hydropower station thrust bearing oil mist absorption device comprises an air intercepting pipe, a guide plate, an extension pipe, a flange and an air filter; the flange is connected with the exhaust pipe of the air intercepting pipe, one end of the extension pipe is connected with the flange, the air filter is positioned on the extension pipe and connected with the extension pipe, and the guide plate is positioned on the upper part of the air inlet pipe of the air intercepting pipe. Simple structure, through the connecting plate of trachea cut, keep off wind plate sub-unit connection under trachea and the hydraulic turbine unit rotor, the guide plate is located the hydraulic turbine unit rotor and keeps off wind plate upper portion rather than being connected, through flange both ends respectively with trachea cut's blast pipe and extension UNICOM, be located and set up air cleaner on the extension pipe, the extension pipe deduces the sealed chamber UNICOM of bearing with the hydraulic turbine unit, through the air current direction of baffle under the guide plate orientation hydraulic turbine unit rotor, introduce the extension pipe with the air current and prevent to deduce the interior oil smoke of bearing and spill over, can not pollute the generator, prevent dust debris entering oil groove, and easy operation is convenient.
In a preferred scheme, the air intercepting pipe comprises an exhaust pipe communicated with an air inlet pipe, and an air inlet of the air inlet pipe is provided with a connecting plate. The structure is simple, during installation, the connecting plate positioned at the air inlet of the air intercepting pipe is connected with the lower portion of the lower wind shield of the water turbine rotor, and the air inlet penetrates through the lower wind shield of the water turbine rotor, so that the intercepted air can enter the air inlet pipe conveniently.
In a preferred scheme, the exhaust pipe is a tapered pipe. Simple structure, during the use, the blast pipe is the reducing pipe of toper structure, and the less one end of pipe diameter and flange joint for be greater than the wind pressure in the inlet duct from blast pipe exhaust wind pressure.
In a preferred scheme, the guide plate is an arc-shaped plate with a streamline structure. Simple structure, during the installation, the guide plate of arc structure is located the upper portion of wind shield under the hydraulic turbine unit rotor, and the air inlet one side that is close to the intake pipe is connected with the wind shield under the hydraulic turbine unit rotor, and the guide plate is towards the distinguished and admirable direction, introduces part distinguished and admirable to the intake pipe.
The utility model provides a power station derives bearing oil mist absorbing device, it includes the trachea of intercepting, the guide plate, the extension pipe, flange and air cleaner, the wind shield sub-unit connection under connecting plate through the trachea of intercepting and hydraulic turbine unit rotor, the guide plate is located hydraulic turbine unit rotor wind shield upper portion rather than being connected, through flange both ends respectively with the blast pipe and the extension union UNICOM of intercepting trachea, it sets up air cleaner to be located the extension pipe, the sealed chamber UNICOM of bearing is derived with hydraulic turbine unit to the extension pipe, through the wind current direction of guide plate towards hydraulic turbine unit rotor wind shield, introduce the extension pipe with the wind current and prevent to derive the interior oil mist of bearing and spill over. The utility model overcomes former hydroelectric set leads to atmospheric pressure temperature variation to make the sealed chamber pressure that hydroelectric set derived the bearing too big because of the rotational speed, makes the interior oil smoke of derivation bearing spill over the problem that pollutes the generator and dust debris get into the oil groove, has simple structure, can not pollute the generator, is favorable to preventing dust debris to get into the oil groove, easy operation convenient characteristics.
Drawings
The invention will be further explained with reference to the following figures and examples:
fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic sectional view at a-a of fig. 1.
In the figure: the air-tight pipe comprises an air-tight pipe 1, an air inlet pipe 11, an exhaust pipe 12, a connecting plate 13, a guide plate 2, an extension pipe 3, a flange 4 and an air filter 5.
Detailed Description
As shown in fig. 1-2, a thrust bearing oil mist absorption device for a hydropower station comprises a gas intercepting pipe 1, a guide plate 2, an extension pipe 3, a flange 4 and an air filter 5; the flange 4 is connected with an exhaust pipe 12 of the air intercepting pipe 1, one end of the extension pipe 3 is connected with the flange 4, the air filter 5 is positioned on the extension pipe 3 and connected with the extension pipe, and the guide plate 2 is positioned on the upper portion of an air inlet pipe 11 of the air intercepting pipe 1. Simple structure, connecting plate 13 through intercepting trachea 1 and hydraulic turbine unit rotor lower wind shield sub-unit connection, guide plate 2 is located hydraulic turbine unit rotor lower wind shield upper portion and is connected with it, 4 both ends through the flange respectively with intercepting trachea 1's blast pipe 12 and extension pipe 3 UNICOM, it sets up air cleaner 5 to be located on extension pipe 3, extension pipe 3 and hydraulic turbine unit derive the sealed chamber UNICOM of bearing, through the wind current direction of guide plate 2 towards hydraulic turbine unit rotor lower wind shield, introduce extension pipe 3 with the wind current and prevent to derive the interior oil smoke of bearing and spill over, can not pollute the generator, prevent dust debris to get into the oil groove, and easy operation is convenient.
In a preferred scheme, the gas intercepting pipe 1 comprises a gas exhaust pipe 12 communicated with a gas inlet pipe 11, and a connecting plate 13 is arranged at a gas inlet of the gas inlet pipe 11. Simple structure, during the installation, be located the connecting plate 13 of the air inlet of intercepting trachea 1 and hydraulic turbine unit rotor lower wind shield sub-unit connection, the air inlet passes hydraulic turbine unit rotor lower wind shield, is convenient for cut off the wind and gets into in the intake pipe 11.
In a preferred embodiment, the exhaust pipe 12 is a tapered pipe. Simple structure, during the use, blast pipe 12 is the reducing pipe of toper structure, and the less one end of pipe diameter is connected with flange 4 for be greater than the wind pressure in the intake pipe 11 from blast pipe 12 exhaust wind pressure.
Preferably, the extension pipe 3 is communicated with a sealing cavity of the thrust bearing of the hydraulic turbine set, and the oil mist in the thrust bearing is prevented from overflowing by the large wind pressure in the extension pipe 3.
Preferably, an air filter 5 located on the extension pipe 3 is advantageous to prevent dust and debris from entering the oil sump in the thrust bearing.
Preferably, during maintenance, the flange 4 and extension pipe 3 are removed to replace the maintenance air filter 5.
In a preferred scheme, the guide plate 2 is an arc-shaped plate with a streamline structure. Simple structure, during the installation, guide plate 2 of arc structure is located the upper portion of wind shield under the hydraulic turbine unit rotor, is close to air inlet one side of intake pipe 11 and is connected with the wind shield under the hydraulic turbine unit rotor, and guide plate 2 is towards the wind current direction, introduces partial wind current to intake pipe 11 in.
Preferably, the wind flow is a rotational wind generated by disturbing ambient air when the generator rotor is rotating at high speed.
When the device is installed and used, the connecting plate 13 of the air intercepting pipe 1 is connected with the lower portion of the lower wind shield of the water turbine rotor, the guide plate 2 is located on the upper portion of the lower wind shield of the water turbine rotor and connected with the upper portion of the lower wind shield, two ends of the flange 4 are respectively communicated with the exhaust pipe 12 of the air intercepting pipe 1 and the extension pipe 3, the air filter 5 is arranged on the extension pipe 3, the extension pipe 3 is communicated with the sealing cavity of the derivation bearing of the water turbine, the guide plate 2 faces the wind flow direction of the lower wind shield of the water turbine rotor, wind flow is introduced into the extension pipe 3, oil mist in the derivation bearing is prevented from overflowing, a generator cannot be polluted, dust and sundries are prevented from entering an oil groove, and the operation is simple and convenient.
During installation, the connecting plate 13 of the air inlet of the air intercepting pipe 1 is connected with the lower portion of the lower wind shield of the water turbine set rotor, and the air inlet penetrates through the lower wind shield of the water turbine set rotor, so that intercepting wind can enter the air inlet pipe 11 conveniently.
During the use, blast pipe 12 is the reducing pipe of toper structure, and the less one end of pipe diameter is connected with flange 4 for the wind pressure of following blast pipe 12 exhaust is greater than the wind pressure in the intake pipe 11.
During installation, the guide plate 2 of the arc-shaped structure is positioned on the upper portion of the lower wind shield of the hydraulic turbine set rotor, one side of the air inlet close to the air inlet pipe 11 is connected with the lower wind shield of the hydraulic turbine set rotor, and the guide plate 2 guides part of air flow into the air inlet pipe 11 towards the air flow direction.
The above embodiments are merely preferred technical solutions of the present invention, and should not be considered as limitations of the present invention, and the features in the embodiments and the examples in the present application may be arbitrarily combined with each other without conflict. The protection scope of the present invention shall be defined by the claims and the technical solutions described in the claims, including the technical features of the equivalent alternatives as the protection scope. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.
Claims (4)
1. The utility model provides a bearing oil mist absorbing device is derived in power station which characterized by: the air-blocking pipe comprises an air-blocking pipe (1), a guide plate (2), an extension pipe (3), a flange (4) and an air filter (5); the flange (4) is connected with an exhaust pipe (12) of the air intercepting pipe (1), one end of the extension pipe (3) is connected with the flange (4), the air filter (5) is positioned on the extension pipe (3) and connected with the extension pipe, and the guide plate (2) is positioned on the upper portion of an air inlet pipe (11) of the air intercepting pipe (1).
2. The deduced bearing oil mist absorption device of hydropower station of claim 1, characterized in that: the air intercepting pipe (1) comprises an exhaust pipe (12) communicated with an air inlet pipe (11), and an air inlet of the air inlet pipe (11) is provided with a connecting plate (13).
3. The deduced bearing oil mist absorption device of hydropower station of claim 1, characterized in that: the exhaust pipe (12) is a tapered reducer.
4. The deduced bearing oil mist absorption device of hydropower station of claim 1, characterized in that: the guide plate (2) is an arc-shaped plate with a streamline structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022917534.4U CN213981025U (en) | 2020-12-08 | 2020-12-08 | Bearing oil mist absorbing device is derived in power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022917534.4U CN213981025U (en) | 2020-12-08 | 2020-12-08 | Bearing oil mist absorbing device is derived in power station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213981025U true CN213981025U (en) | 2021-08-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022917534.4U Active CN213981025U (en) | 2020-12-08 | 2020-12-08 | Bearing oil mist absorbing device is derived in power station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213981025U (en) |
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2020
- 2020-12-08 CN CN202022917534.4U patent/CN213981025U/en active Active
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