CN115234316A - Lubrication system - Google Patents
Lubrication system Download PDFInfo
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- CN115234316A CN115234316A CN202211092949.XA CN202211092949A CN115234316A CN 115234316 A CN115234316 A CN 115234316A CN 202211092949 A CN202211092949 A CN 202211092949A CN 115234316 A CN115234316 A CN 115234316A
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- box body
- flowing medium
- lubrication system
- heating
- output end
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- 238000005461 lubrication Methods 0.000 title claims description 49
- 238000010438 heat treatment Methods 0.000 claims abstract description 77
- 239000012530 fluid Substances 0.000 claims abstract description 73
- 239000007788 liquid Substances 0.000 claims abstract description 27
- 238000007599 discharging Methods 0.000 claims abstract description 7
- 238000012806 monitoring device Methods 0.000 claims description 30
- 238000001914 filtration Methods 0.000 claims description 14
- 238000003860 storage Methods 0.000 abstract description 26
- 230000001050 lubricating effect Effects 0.000 abstract description 16
- 238000010586 diagram Methods 0.000 description 19
- 239000003921 oil Substances 0.000 description 16
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 8
- 239000010687 lubricating oil Substances 0.000 description 7
- 230000004907 flux Effects 0.000 description 6
- 239000012535 impurity Substances 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 230000033228 biological regulation Effects 0.000 description 5
- 238000001514 detection method Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000000956 alloy Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 230000003750 conditioning effect Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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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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- 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
- F01D25/08—Cooling; Heating; Heat-insulation
- F01D25/10—Heating, e.g. warming-up before starting
-
- 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
- F01D25/16—Arrangement of bearings; Supporting or mounting bearings in casings
-
- 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
- Y02E10/20—Hydro energy
Abstract
The application relates to a lubricating system for bearing system for turbine, bearing system for turbine includes flowing back end and liquid return end, includes: the adjusting and storing device comprises a box body, a heating device and a first fluid conveying device, the liquid discharging end of the adjusting and storing device is connected with the bearing system for the turbine, the adjusting and storing device comprises a heating part with a preset area, the heating part is arranged in the inner space of the box body, is close to the bottom and extends along the horizontal direction, and the first fluid conveying device is connected with the box body. The second fluid conveying device comprises a first input end and a first output end, the first input end is connected with the box body, and the first output end is connected with a liquid return end of the bearing system for the turbine. The utility model provides a flow that can realize adjusting storage device inner space stops the homogeneity of bulk temperature, and simultaneously, the start-up that can be faster awaken lubricating system at predetermined temperature is maintained to the flowing medium.
Description
Technical Field
The application relates to the technical field of lubrication, in particular to a lubricating system.
Background
At present, the turbine equipment generally adopts an oil bearing in the use process, and the oil bearing needs a lubricating system to provide lubricating oil with certain temperature and flow for the oil bearing in the working process. Therefore, the lubricating oil stored in the oil tank needs to be subjected to a heat treatment before being supplied to the oil bearing.
However, the heating device for heating the oil tank is usually vertically arranged, the heating zone is limited below the minimum oil level of the oil tank, so that the effective heating zone of the heating device is short, the heating power is low, and meanwhile, when the lubricating oil in the oil tank flows into the oil bearing through an external pipeline, excessive heat is dissipated in the external pipeline, so that the starting of the whole lubricating oil system is slow, and the rapid operation of the lubricating oil system is not facilitated.
Accordingly, there is a need for a new and improved lubricating oil system.
Disclosure of Invention
The lubricating system that this application embodiment provided not only can realize that the temperature of the interior liquid of storage device is invariable in predetermined range, can also realize keeping necessary temperature when carrying to the bearing.
In one aspect, according to an embodiment of the present application, a lubrication system for a bearing system for a turbine is provided, the bearing system for the turbine including a liquid discharge end and a liquid return end, including: the adjusting and storing device is connected with a liquid discharging end of the bearing system for the turbine and comprises a box body, a heating device and a first fluid conveying device, wherein the liquid discharging end is connected with the box body; the first fluid conveying device is connected with the box body; and the second fluid conveying device comprises a first input end and a first output end, the first input end is connected with the box body, and the first output end is connected with the liquid return end of the bearing system for the turbine.
According to one aspect of an embodiment of the present application, the first fluid transport device includes a second input and a second output, the tank being connected to the second input; the flowing medium in the box body passes through the second input end and the first fluid conveying device and then flows out from the second output end.
According to an aspect of the embodiment of the present application, the heating device further includes a fixing portion connected to the heating portion, and the heating device is fixedly connected to the box body through the fixing portion.
According to an aspect of the embodiment of the present application, the second input end and the second output end are vertically spaced from the fixing portion of the heating device, wherein the shortest distance between the second input end and the fixing portion in the vertical direction is H1, the shortest distance between the second output end and the fixing portion is H2, and H1 < H2.
According to one aspect of the embodiment of the application, the device further comprises a filtering device, the filtering device is connected with the second output end, and the filtering device is connected with the box body; the flowing medium flows through the filtering device through the second output end and then flows into the box body.
According to an aspect of the embodiment of the present application, the apparatus further comprises a first unidirectional conducting device, and the first unidirectional conducting device is connected to the second output terminal; the flowing medium flows through the first one-way conduction device through the second output end and then flows into the box body.
According to one aspect of the embodiment of the application, the device further comprises a monitoring device, wherein the monitoring device comprises a detection end, and the detection end is arranged in contact with the flowing medium.
According to one aspect of the embodiments of the present application, the monitoring device comprises at least one of a temperature monitoring device, a quality monitoring device.
According to one aspect of the embodiment of the application, the temperature control device is further included and is connected with the first output end, and the temperature control device is connected with the liquid return end, wherein the flowing medium flows through the temperature control device through the first output end and then flows into the liquid return end.
According to an aspect of the embodiment of the present application, the apparatus further comprises a second unidirectional conducting device, the second unidirectional conducting device is connected to the first output terminal; wherein the flowing medium flows into the second one-way conduction device through the first output end.
The embodiment of the application provides a lubricating system, through setting up heating device at regulation storage device inner space, the heating portion that has predetermined area extends the setting along the horizontal direction, can effectively increase the heating area of heating zone, realizes adjusting the homogeneity of storage device inner space overall temperature through the fluid medium among the first fluid conveyor circulation regulation storage device inner space. The second fluid delivery device can deliver the heated flowing medium in the regulating storage device to the bearing, and the second fluid delivery device has the capacity of providing preset flow. In addition, the flowing medium has a preset temperature, and the starting of the lubricating system can be awakened more quickly in the whole pipeline circulation process of the lubricating system.
Drawings
Features, advantages and technical effects of exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.
FIG. 1 is a first schematic structural diagram of a lubrication system according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram II of a lubrication system according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram III of a lubrication system provided in an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of an adjusting storage device according to an embodiment of the present invention;
FIG. 5 is a fourth schematic structural diagram of a lubrication system provided in an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a lubrication system according to a fifth embodiment of the present invention;
FIG. 7 is a sixth schematic structural view of a lubrication system provided in accordance with an embodiment of the present invention;
FIG. 8 is a seventh schematic structural diagram of a lubrication system according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram eight of a lubrication system provided in the embodiment of the present invention;
fig. 10 is a schematic structural diagram nine of a lubrication system according to an embodiment of the present invention.
Description of the labeling:
100. a lubrication system; 201. a liquid discharge end; 202. returning the liquid to the liquid end;
1. adjusting the storage device; 11. a box body; 111. a maximum water level; 12. a heating device; 121. a heating section; 121a, a heating region; 122. a fixed part; 13. a first fluid delivery device; 131. a second input terminal; 132. a second output terminal;
2. a second fluid delivery device; 21. a first input terminal; 22. a first output terminal;
3. a flowing medium;
4. a filtration device;
5. a first one-way conduction device; 51. an inlet end; 52. an outlet end;
6. a monitoring device; 61. a detection end; 62. a temperature monitoring device; 63. a quality monitoring device;
7. a temperature control device;
8. a second unidirectional flux device;
x, horizontal direction; y, vertical direction.
In the drawings, like parts are given like reference numerals. The figures are not drawn to scale.
Detailed Description
Features and exemplary embodiments of various aspects of the present invention will be described in detail below, and in order to make objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of, and not restrictive on, the present application. It will be apparent to one skilled in the art that the present application may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the present application by illustrating examples thereof.
It is noted that, herein, relational terms such as first and second, and the like may be 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. Without further limitation, an element defined by the phrases "comprising 8230; \8230;" comprises 8230; "does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
For a better understanding of the invention, the first aspect is described in detail below with reference to fig. 1 to 10 in a lubrication system 100 according to an embodiment of the invention.
Fig. 1 is a first structural schematic diagram of a lubrication system according to an embodiment of the present invention.
As shown in fig. 1, an embodiment of the present application provides a lubrication system 100 for a bearing system for a turbine, the bearing system for a turbine including a drain 201 and a drain 202, including: the adjusting and storing device 1 is connected with a liquid discharging end 201 of the bearing system for the turbine, the adjusting and storing device 1 comprises a box body 11, a heating device 12 and a first fluid conveying device 13, and the liquid discharging end 201 is connected with the box body 11. The heating device 12 includes a heating unit 121 having a predetermined area, and the heating unit 121 is provided in the internal space of the housing 11 near the bottom and extends in the horizontal direction X. A first fluid transport device 13 is provided in connection with the tank 11. The second fluid transfer device 2 comprises a first input end 21 and a first output end 22, the first input end 21 is connected with the box body 11, and the first output end 22 is connected with a liquid return end 202 of the bearing system for the turbine.
Oil bearings commonly employed in turbine installations require a separate lubrication system 100 to ensure proper use of the oil bearings. Communication between the lubrication system 100 itself and the bearings and lubrication system 100 requires the use of tubing. When the lubrication system 100 delivers the lubricant to the fluid return end 202 of the bearing through a pipeline, the lubricant needs to have a certain temperature and flow rate. In the embodiment of the present application, the flowing medium 3 in the lubrication system 100 may be a liquid lubrication medium such as lubricating oil, or may also be a gas lubrication medium such as inert gas such as steam or helium.
In the embodiment of the present application, the heating device 12 in the conditioning storage device 1 includes the heating portion 121, and the heating portion 121 occupies a large part of the specific gravity of the heating device 12 to increase the heating area of the heating portion 121. And the heating part 121 is disposed to extend in the horizontal direction X, and can give a larger heating area 121a to the flow medium 3 in the internal space of the case 11. Since the heat tends to be emitted upwards, the heating device 12 is disposed at the bottom of the internal space of the box 11, so as to better utilize the heat diffusion characteristic and avoid the problem of non-uniform overall temperature of the fluid medium in the internal space of the box 11.
Optionally, the heating device 12 includes a metal casing, an electrothermal alloy wire, and a filler filled between the electrothermal alloy wire and the metal casing. The heat generated by the electrothermal alloy wire can be transferred to the metal shell through the filler having a material with good thermal conductivity, and the metal shell affected by the heat forms the heating portion 121 of the heating device 12. It is understood that the longer the metal shell extends in the horizontal direction X, the larger the heating area the heating portion 121 has.
The first fluid delivery device 13 and the heating device 12 can be used in cooperation, the flowing medium 3 can be drawn out from the internal space of the box 11 by the first fluid delivery device 13 and then delivered back to the box 11 through a pipeline, so that the flowing medium 3 in the box 11 can be kept in a circulating state, and the flowing medium 3 not only can raise the overall heat of the adjusting and storing device 1 in a heat diffusion manner, but also can circulate the heated flowing medium 3 from the heating area 121a of the heating part 121 to other areas of the box 11 through circulation. The problem that impurities are generated due to overhigh temperature of the local flowing medium 3 is avoided, and the temperature of the flowing medium 3 at each position in the inner space of the box body 11 is kept within a preset range.
In this embodiment, the first fluid delivery device 13 is the flowing medium 3 for circulating the internal space of the box 11, and the first fluid delivery device 13 may select a smaller-lift and power oil pump or air pump, so as to reduce the power consumption of the first fluid delivery device 13, thereby avoiding the increase of the overall power consumption of the lubrication system 100.
The second fluid conveying device 2 extracts the flowing medium 3 in the inner space of the box 11, and conveys the flowing medium 3 from the liquid return end 202 to the bearing through a pipeline, the second fluid conveying device 2 can bring a preset flow to the extracted flowing medium 3, and the temperature of the flowing medium 3 in the storage device 1 is maintained by adjusting the self circulation of the storage device, so that the flowing medium 3 conveyed to the bearing has a preset flow and temperature, and is used for lubricating and cooling the bearing. It can be understood that the second fluid delivery device 2 can be an oil pump or an air pump with a large lift and high power, so that the flowing medium 3 can have a preset flow rate, and meanwhile, the flowing time and speed of the flowing medium 3 in the pipeline can be reduced and the influence of the heat dissipation of the pipeline can be reduced when the pipeline length is the same.
It can be understood that the lubrication system 100 in the embodiment of the present application preheats the flowing medium 3 in the regulated storage device 1, thereby avoiding the need to provide a heating device between the regulated storage device 1 and the liquid return end 202 of the bearing system for the turbine, reducing the arrangement of external pipelines, shortening the overall pipeline of the lubrication system 100, and reducing the heat loss of the flowing medium 3 in the lubrication system 100. According to the lubrication system 100 provided by the embodiment of the application, the heating device 12 is arranged in the internal space of the regulation storage device 1, the heating part 121 with a predetermined area is arranged to extend along the horizontal direction X, the heating area of the heating area 121a can be effectively increased, and the uniformity of the whole temperature of the internal space of the regulation storage device 1 is realized by circulating the flowing medium 3 in the internal space of the regulation storage device 1 through the first fluid conveying device 13. The second fluid transport device 2 can transport the heated fluid 3 in the regulating reservoir 1 to the bearing, the second fluid transport device 2 having the ability to provide a predetermined flow rate. In addition, the flowing medium 3 has a preset temperature, so that the starting of the lubricating system 100 can be awakened more quickly in the whole pipeline circulation process of the lubricating system 100.
Fig. 2 is a schematic structural diagram of a lubricating system according to an embodiment of the present invention.
As shown in fig. 2, the first fluid delivery device 13 includes a second input 131 and a second output 132, and the tank 11 is connected to the second input 131. The fluid 3 in the box 11 passes through the second input 131 and the first fluid transport device 13 and then flows out through the second output 132. The tank 11 has a receiving space therein to store the flowing medium 3, the flowing medium 3 can fill the tank 11, and the flowing medium 3 can fill the inner space of the tank 11 to a maximum water level 111. In the embodiment of the present application, the pipeline communicating with the second input end 131 is disposed below the highest water level 111 of the tank 11, and the pipeline communicating with the second output end 132 is disposed above the highest water level 111 of the tank 11, so that the flowing medium 3 is prevented from reversely passing through the first fluid conveying device 13 through the second output end 132, and the service life of the first fluid conveying device 13 is prolonged.
Fig. 3 is a schematic structural diagram three of a lubrication system according to an embodiment of the present invention.
As shown in fig. 1 to 3, the heating device 12 further includes a fixing portion 122 connected to the heating portion 121, and the heating device 12 is fixedly connected to the housing 11 through the fixing portion 122. Optionally, the fixing portion 122 is connected to a bottom wall inside the box 11, the fixing portion 122 may also be connected to a side wall inside the box 11, and the fixing portion 122 may also be connected to a top cover inside the box 11. In the embodiment of the present invention, the fixing portion 122 is connected to the side wall inside the case 11, and the fixing portion 122 is fixed to the case 11 by means of bolts, adhesion, welding, or the like, so as to prevent the heating device 12 from contacting the inner wall of the case 11 after falling off, and prevent the heating portion 121 from damaging the case 11.
Alternatively, the fixing portion 122 may be made of a material with good heat resistance, such as silicon gel or ceramic, for isolating heat of the heating portion 121 and preventing the heat from being transferred to the inner wall of the box 11.
Fig. 4 is a schematic structural diagram of an adjustment storage device according to an embodiment of the present invention.
As shown in fig. 1 to 4, the second input end 131 and the second output end 132 are vertically spaced from the fixing portion 122 of the heating device 12. In the vertical direction, the shortest distance between the second input end 131 and the fixing portion 122 is H1, the shortest distance between the second output end 132 and the fixing portion 122 is H2, and H1 is less than H2.
In the embodiment of the present application, the second input end 131, the second output end 132 and the fixing portion 122 of the heating device 12 are spaced apart in the vertical direction Y. The shortest distance between the second input end 131 and the fixing portion 122 is smaller than the shortest distance between the second output end 132 and the fixing portion 122, when the first fluid conveying device 13 regulates the internal circulation of the storage device 1, the first fluid conveying device 13 can draw the flowing medium 3 close to the heating device 12 into the first fluid conveying device 13, and the first fluid conveying device 13 sends the flowing medium 3 to the area far away from the heating device 12 through the second output end 132 and the pipeline.
The temperature of the flowing medium 3 close to the heating device 12 is higher than that of the flowing medium in other areas, the temperature of the flowing medium in the area far away from the heating device 12 is lower than that of the flowing medium in the other areas, when the flowing medium 3 close to the heating device 12 is pumped out by the first fluid conveying device 13, the fluid in the area far away from the heating device 12 sinks to the area of the heating device 12 under the action of gravity or low temperature, the first fluid conveying device 13 conveys the pumped fluid medium with higher temperature to the area far away from the heating device 12 to form circulation inside the box body 11, so that the overall temperature of the flowing medium inside the box body 11 can be maintained in a preset range, impurities caused by local overheating are avoided, and the starting time of the lubricating system 100 is prolonged.
Fig. 5 is a schematic structural diagram of a lubrication system according to an embodiment of the present invention.
As shown in fig. 1 and 5, the filter device 4 is connected to the second output end 132, and the filter device 4 is connected to the case 11. Flow medium 3 flows through filter device 4 via second outlet 132 and into tank 11. The filtering device 4 and the first fluid conveying device 13 form an oil filtering system of the adjusting and storing device 1, the filtering device 4 can filter out impurities in the flowing medium 3 pumped out by the first fluid conveying device 13, and the impurities in the adjusting and storing device 1 can be filtered completely by adjusting the internal circulation of the storing device 1, so that the quality of the flowing medium 3 in the adjusting and storing device 1 is guaranteed.
Optionally, the filter device 4 may be connected to the second input 131 to prevent impurities from entering the first fluid transport device 13 and to avoid damage to the first fluid transport device 13 by impurities.
Alternatively, a safety valve may be connected in parallel to the line to which the filter device 4 is connected, in order to prevent overloading of the first fluid transport device 13 or damage to the filter insert in the filter device 4 due to clogging of the filter device 4.
Optionally, the filtering means 4 comprise an oil filter or a gas filter
Fig. 6 is a schematic structural diagram five of a lubrication system according to an embodiment of the present invention.
As shown in fig. 1 and fig. 6, the first unidirectional flux device 5 includes an inlet end 51 and an outlet end 52, the inlet end 51 of the first unidirectional flux device 5 is connected to the second outlet end 132, and the flowing medium 3 flows into the inlet end 51 of the first unidirectional flux device 5 through the second outlet end 132, and then flows into the box 11 through the pipeline after flowing out from the outlet end 52 of the first unidirectional flux device 5. The flowing medium 3 will flow in the pipeline connected to the first fluid conveying device 13 under the driving of the first fluid conveying device 13, the first one-way conducting device 5 may be disposed behind the second output end 132 of the first fluid conveying device 13, and the first one-way conducting device 5 may also be disposed behind the filtering device 4. In the embodiment of the present application, the first one-way conduction device 5 is disposed behind the filtering device 4, so as to prevent the filtered clean flowing medium 3 from flowing backwards, and further improve the quality of the flowing medium 3.
Optionally, the first one-way conducting device 5 comprises a check valve or an air passage one-way valve.
Fig. 7 is a schematic structural diagram six of a lubrication system according to an embodiment of the present invention. Fig. 8 is a schematic structural diagram seven of a lubricating system provided in the embodiment of the present invention.
As shown in fig. 1, 7 and 8, the monitoring device 6 includes a detection end disposed in contact with the flowing medium 3. The monitoring device 6 includes at least one of a temperature monitoring device 62 and a quality monitoring device 63. The monitoring device 6 is capable of monitoring and adjusting various parameters of the flowing medium 3 in the internal space of the storage device 1 in real time, making different actions and improving the descending parameters of the flowing medium 3 in a targeted manner. The detection end contacted with the flowing medium 3 can sense various parameters of the flowing medium 3 in the internal space of the storage device, and a processor in the monitoring device 6 sends out instructions to start different devices.
Optionally, the adjusting storage device 1 may be provided with a temperature monitoring device 62, the adjusting storage device 1 may also be provided with a quality monitoring device 63, and the adjusting storage device 1 may also be provided with the temperature monitoring device 62 and the quality monitoring device 63 at the same time. In the present embodiment, the storage apparatus 1 is adjusted while the temperature monitoring device 62 and the quality monitoring device 63 are provided. The lubrication system 100 has a start-up phase and an operating phase.
In some alternative embodiments, the conditioning storage device 1 may be divided into a plurality of areas, and a temperature monitoring device 62 may be disposed in the box 11 near the second input 131 to detect in real time that the delivered flowing medium 3 has a sufficient temperature. A quality monitoring device 63 may be provided in a region of the tank 11 close to the heating device 12, and when the heating device is activated, the temperature of the region of the heating device 12 increases faster than that of other regions in the tank, and the quality of the fluid medium 3 in this region is likely to decrease, and the quality monitoring device 63 may be provided in this region, so that the quality of the fluid medium 3 can be detected in real time.
Start-up phase of the lubrication system 100: when the temperature monitoring device 62 monitors that the temperature of the flowing medium 3 in the box body 11 is lower than the predetermined value, the heating device 12 and the first fluid conveying device 13 are started, the flowing medium 3 in the internal space of the box body 11 enters the first fluid conveying device 13, flows through the filtering device 4 and the first one-way conducting device 5, and then flows back to the box body 11, the temperature of the flowing medium 3 rises in a circulating state, and the temperature of the flowing medium 3 in the box body 11 is accelerated to reach the predetermined value.
Operating phase of the lubrication system 100: when the temperature monitoring device 62 monitors that the temperature of the flowing medium 3 in the box 11 reaches a predetermined value, the heating device 12 and the first fluid conveying device 13 are stopped, and the flowing medium 3 in the box 11 is kept relatively static, so that the flowing loss of heat energy is avoided. In this stage, the quality monitoring device 63 detects the quality of the flowing medium 3 in real time, when the quality of the flowing medium 3 is lower than a predetermined value, the first fluid conveying device 13 is started, the flowing medium 3 in the inner space of the box 11 enters the first fluid conveying device 13, flows through the filtering device 4 and the first one-way conducting device 5, and then flows back to the box 11, the flowing medium 3 is purified, and the quality of the flowing medium 3 is raised in a circulating state.
Fig. 9 is a schematic structural diagram eight of a lubrication system according to an embodiment of the present invention.
As shown in fig. 1 and 9, the temperature control device 7 is connected to the first output 22, and the temperature control device 7 is connected to the liquid return 202, wherein the flowing medium 3 flows through the temperature control device 7 through the first output 22 and flows into the liquid return 202.
In the embodiment of the present application, a part of heat is often lost during the process of adjusting the flowing medium 3 in the storage device 1 to be delivered to the liquid return end 202 of the bearing through the second fluid delivery device 2 and the pipeline, in order to maintain the lubrication system 100 to be capable of being started quickly, the flowing medium 3 in the internal space of the box 11 needs to be kept in a higher temperature range, and the temperature of the flowing medium 3 is also increased after passing through the second fluid delivery device 2. And the flowing medium 3 in this temperature range will be higher than the cooling and lubricating temperature required for the bearings. The temperature control device 7 is arranged at a position close to the liquid return end 202, and the temperature control device 7 is provided with a function of adjusting the flowing medium 3 to the cooling and lubricating temperature required by the bearing.
It can be understood that the temperature control device 7 can adjust the temperature of the flowing medium 3 from a higher temperature to a lower temperature, and can also adjust the temperature of the flowing medium 3 from a lower temperature to a higher temperature, and the temperature control device 7 is not particularly limited in the present application.
Fig. 10 is a schematic structural diagram nine of a lubrication system according to an embodiment of the present invention.
As shown in fig. 1 and 10, the second unidirectional conducting device 8 is connected to the first output terminal 22. Wherein the flowing medium 3 flows into the second unidirectional flux device 8 through the first output 22.
Optionally, the second unidirectional conducting device 8 and the first unidirectional conducting device 5 are the same unidirectional conducting device.
In the embodiment of the present application, the second one-way conduction means 8 is arranged between the second fluid delivery means 2 and the temperature control means 7. Because second fluid delivery mechanism 2 possesses great lift and power, second fluid delivery mechanism 2 has the problem of flowing medium 3 backward flow when starting to change the stall state into, and second one-way device 8 that switches on can effectively prevent flowing medium 3 backward flow, avoids the damage that flowing medium 3 that flows back caused second fluid delivery mechanism 2, improves second fluid delivery mechanism 2's life.
While the invention has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. It is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (10)
1. A lubrication system for a bearing system for a turbine, the bearing system for the turbine including a drain end and a return end, comprising:
the adjusting and storing device is connected with the liquid discharging end of the bearing system for the turbine and comprises a box body, a heating device and a first fluid conveying device, the liquid discharging end is connected with the box body, the heating device comprises a heating part with a preset area, the heating part is arranged in the inner space of the box body, is close to the bottom of the box body and extends along the horizontal direction, and the first fluid conveying device is connected with the box body;
and the second fluid conveying device comprises a first input end and a first output end, the first input end is connected with the box body, and the first output end is connected with the liquid return end of the bearing system for the turbine.
2. The lubrication system according to claim 1, wherein the first fluid delivery device includes a second input and a second output, the tank being connected to the second input; the flowing medium in the box body passes through the second input end and the first fluid conveying device and then flows out from the second output end.
3. The lubrication system according to claim 2, wherein the heating device further includes a fixing portion connected to the heating portion, and the heating device is fixedly connected to the case through the fixing portion.
4. The lubrication system according to claim 3, wherein the second input and the second output are vertically spaced from the fixed portion of the heating device,
the shortest distance between the second input end and the fixing part in the vertical direction is H1, the shortest distance between the second output end and the fixing part is H2, and H1 is smaller than H2.
5. The lubrication system according to claim 2, further comprising a filter device, wherein the filter device is connected to the second output and the filter device is connected to the tank; the flowing medium flows through the filtering device through the second output end and then flows into the box body.
6. The lubrication system according to claim 5, further comprising a first one-way conduction device connected to said second output; and the flowing medium flows through the first one-way conduction device through the second output end and then flows into the box body.
7. The lubrication system of claim 6, further comprising a monitoring device including a sensing end disposed in contact with the flowing medium.
8. The lubrication system of claim 7, wherein the monitoring device includes at least one of a temperature monitoring device and a quality monitoring device.
9. The lubrication system according to claim 2, further comprising a temperature control device connected to the first output end and connected to the fluid return end, wherein the flowing medium flows through the temperature control device through the first output end and then into the fluid return end.
10. The lubrication system according to claim 1, further comprising a second one-way conduction device connected to said first output; wherein the flowing medium flows into the second one-way conduction device through the first output end.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211092949.XA CN115234316A (en) | 2022-09-08 | 2022-09-08 | Lubrication system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211092949.XA CN115234316A (en) | 2022-09-08 | 2022-09-08 | Lubrication system |
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| CN115234316A true CN115234316A (en) | 2022-10-25 |
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Application publication date: 20221025 |