CN112576319B - A steam turbine generator sealing oil circulation system - Google Patents
A steam turbine generator sealing oil circulation system Download PDFInfo
- Publication number
- CN112576319B CN112576319B CN202011572647.3A CN202011572647A CN112576319B CN 112576319 B CN112576319 B CN 112576319B CN 202011572647 A CN202011572647 A CN 202011572647A CN 112576319 B CN112576319 B CN 112576319B
- Authority
- CN
- China
- Prior art keywords
- oil
- lubricating oil
- sealing
- tank
- main
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
-
- 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
- F01D25/183—Sealing means
-
- 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
- F01D25/20—Lubricating arrangements using lubrication pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
本发明具体公开了一种汽轮发电机密封油循环系统，包括润滑油储存箱、润滑油输送泵、小机润滑油装置和单流环密封油装置，所述润滑油储存箱的出油口与所述润滑油输送泵的抽油口连通；所述小机润滑油装置上设置有小机润滑油箱，所述小机润滑油箱的进油口与所述润滑油输送泵的出油口连通，所述小机润滑油箱的密封油出口通过第一输送管与所述单流环密封油装置的输入管口连通。该密封油循环系统通过将油源切换至小机润滑油，使其建立起新的密封油系统的整体循环工序，进而可以确保在润滑油系统不启动的情况下能够进行发电机打风压试验，提高了发电机打风压查漏的进度，为机组提前并网节省了时间。
The present invention specifically discloses a steam turbine generator sealing oil circulation system, including a lubricating oil storage tank, a lubricating oil delivery pump, a small machine lubricating oil device and a single flow ring sealing oil device, wherein the oil outlet of the lubricating oil storage tank is connected to the oil extraction port of the lubricating oil delivery pump; the small machine lubricating oil device is provided with a small machine lubricating oil tank, the oil inlet of the small machine lubricating oil tank is connected to the oil outlet of the lubricating oil delivery pump, and the sealing oil outlet of the small machine lubricating oil tank is connected to the input pipe port of the single flow ring sealing oil device through a first delivery pipe. The sealing oil circulation system switches the oil source to the small machine lubricating oil, so that it establishes a new overall circulation process of the sealing oil system, thereby ensuring that the generator can be subjected to the wind pressure test when the lubricating oil system is not started, thereby improving the progress of the generator wind pressure leak detection and saving time for the unit to be connected to the grid in advance.
Description
Technical Field
The invention relates to a sealing oil system of a steam turbine generator, in particular to a sealing oil circulation system of a steam turbine generator.
Background
The main function of the generator uniflow ring sealing oil system of the thermal power plant is to supply oil to the generator sealing tiles, and the oil pressure is higher than the hydrogen pressure in the generator by a certain value, so that the hydrogen in the generator is prevented from leaking outwards along the gap between the rotating shaft and the sealing tiles, and meanwhile, a large amount of oil is prevented from being fed into the generator due to the fact that the oil pressure is too high.
However, most of existing steam turbines are in a stop state during cylinder uncovering, and the related equipment of the main engine lubricating oil is also in a stop state, and because the oil source of the single-flow ring sealing oil system comes from the main engine lubricating oil, the sealing oil system of the turbine generator cannot carry out integral circulation of sealing oil, so that the wind pressure test of the generator is carried out, and the grid-connected time of the unit is influenced.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a sealing oil circulation system of a steam turbine generator. The turbine generator sealing oil circulation system switches an oil source to the small lubricating oil, so that a new integral circulation procedure of the sealing oil system is established, and further, the wind pressure test of the generator can be ensured under the condition that the lubricating oil system is not started.
The invention aims to solve the problems by adopting the following technical scheme:
The turbine generator sealing oil circulation system comprises a lubricating oil storage tank, a lubricating oil delivery pump, a small lubricating oil device and a single-flow ring sealing oil device, wherein an oil outlet of the lubricating oil storage tank is communicated with an oil pumping port of the lubricating oil delivery pump, the small lubricating oil device is provided with a small lubricating oil tank, an oil inlet of the small lubricating oil tank is communicated with an oil outlet of the lubricating oil delivery pump, and a sealing oil outlet of the small lubricating oil tank is communicated with an input pipe orifice of the single-flow ring sealing oil device through a first delivery pipe.
Preferably, the device further comprises a host lubricating oil device, wherein a host lubricating oil tank is arranged on the host lubricating oil device, an oil inlet of the host lubricating oil tank is communicated with an oil outlet of the lubricating oil delivery pump, and a sealing oil delivery port of the host lubricating oil tank is communicated with an input pipe orifice of the uniflow ring sealing oil device through a second delivery pipe.
Preferably, the main machine lubricating oil device and the small machine lubricating oil device are distributed in parallel, the main machine lubricating oil device and the small machine lubricating oil device are connected with the input pipe orifice of the single-flow ring sealing oil device through a second flow control valve and a third connecting pipe, and one of the main machine lubricating oil device and the small machine lubricating oil device independently operates to convey sealing oil or both of the main machine lubricating oil device and the small machine lubricating oil device simultaneously convey sealing oil.
Preferably, the first conveying pipe is one or a combination of a plurality of straight pipes, folded pipes, arc pipes or irregular pipes with sealing rings.
Preferably, the first delivery pipe is provided with a first flow control valve.
Preferably, the second conveying pipe is one or a combination of a plurality of straight pipes, folded pipes, arc pipes or irregular pipes with sealing rings.
Preferably, the second delivery pipe is provided with a third flow control valve.
Preferably, the single-flow ring sealing oil device comprises a generator, an oil return expansion groove, an air extraction groove, a float oil tank, a vacuum box and an oil conveying component, wherein the oil return expansion groove and the air extraction groove are respectively connected with a steam end and an excitation end of a generator sealing ring through pipelines, the oil return expansion groove is respectively connected with the air extraction groove through two pipelines, the float oil tank and an oil level regulating valve of the float oil tank are sequentially arranged on one pipeline, an outlet electric door and an inlet electric door are respectively arranged at two ends of the float oil tank, a second bypass electric door is arranged on the other pipeline, a first oil inlet end of the vacuum box is communicated with an input pipe orifice, and an oil outlet end of the vacuum box is communicated with the generator through the oil conveying component.
Preferably, the conveying oil assembly comprises a second main sealing oil pump, a first main sealing oil pump and a sealing oil recirculation pump which are distributed in parallel, wherein two ends of the sealing oil recirculation pump are respectively communicated with a second oil inlet end of the vacuum box and an oil outlet end of the vacuum box, and the second main sealing oil pump and the first main sealing oil pump are respectively communicated with the oil outlet end of the vacuum box and the generator through conveying pipelines.
Preferably, the single-flow ring sealing oil device further comprises an oil-gas separator and an oil-gas absorber, wherein two ends of the oil-gas separator are respectively communicated with the air outlet hole of the air extraction groove and the air inlet hole of the oil-gas absorber, and the oil-gas separator is used for separating and absorbing hydrogen.
After the structure is adopted, the small lubricating oil tank is communicated with the input pipe orifice of the single-flow ring sealing oil device, so that the conventional method is broken, sealing cooling oil is mainly provided for the single-flow ring sealing oil device by the main lubricating oil tank of the main lubricating oil system, the lubricating oil system is in a shutdown state during the cylinder uncovering of the steam turbine, the conveying process of the main lubricating oil cannot be normally carried out, and the operating oil source of the single-flow ring sealing oil device is switched to the small lubricating oil, so that the whole circulating process of a new sealing oil system is established, the wind pressure test of the generator can be carried out under the condition that the lubricating oil system is not started, the wind pressure leakage test progress of the generator is improved, and the time is saved for the synchronization of the machine set in advance.
Drawings
Fig. 1 is a schematic diagram of a circulation principle of a sealing oil circulation system of a turbo generator according to the present invention.
Fig. 2 is a schematic structural diagram of a sealing oil circulation system of a turbo generator according to the present invention.
Fig. 3 is a schematic diagram of another circulation principle of a sealing oil circulation system of a turbo generator according to the present invention.
Fig. 4 is a schematic diagram of another structural principle of a sealing oil circulation system of a turbo generator according to the present invention.
Fig. 5 is a schematic structural diagram of a small lubricating oil tank of a sealing oil circulation system of a turbo generator according to the present invention.
Fig. 6 is a schematic structural diagram of a main engine lubricating oil tank of a sealing oil circulation system of a turbo generator according to the present invention.
In FIGS. 1-6, 1-lube storage tank, 2-lube transfer pump, 3-small machine lube unit, 31-small machine lube tank, 311-seal oil outlet, 312-first transfer line, 313-first flow control valve, 4-single-flow ring seal oil unit, 40-input port, 401-second flow control valve, 5-main lube unit, 51-main lube tank, 511-second transfer line, 512-third flow control valve, 513-seal oil transfer port, 514-return port, 6-generator, 61-vapor end, 62-excitation port, 7-return expansion tank, 8-air extraction tank, 9-float oil tank, 10-vacuum tank, 11-vapor separator, 12-vapor absorber, 13-oil supply regulator, 14-first bypass electric gate, 15-outlet electric gate, 16-inlet electric gate, 17-second electric gate, 18-transfer oil assembly, 181-second main seal oil pump, 182-first main seal oil pump, 183-seal oil recirculation pump, 19-filtration assembly, 191-second filter screen, and 192-filter screen.
Detailed Description
The invention will now be described in further detail with reference to the drawings and specific examples, which are not intended to limit the invention in any way.
1-2 And 5, the turbine generator sealing oil circulation system comprises a lubricating oil storage tank 1, a lubricating oil delivery pump 2, a small lubricating oil device 3 and a single-flow ring sealing oil device 4, wherein an oil outlet of the lubricating oil storage tank 1 is communicated with an oil pumping port of the lubricating oil delivery pump 2, a small lubricating oil tank 31 is arranged on the small lubricating oil device 3, an oil inlet of the small lubricating oil tank 31 is communicated with an oil outlet of the lubricating oil delivery pump 2, and a sealing oil outlet 311 of the small lubricating oil tank 31 is communicated with an input pipe orifice 40 of the single-flow ring sealing oil device 4 through a first delivery pipe 312.
The small lubricating oil tank is communicated with the input pipe orifice of the single-flow ring sealing oil device, so that the conventional method is broken, sealing cooling oil is only mainly supplied to the single-flow ring sealing oil device by the main lubricating oil tank of the main lubricating oil system, the lubricating oil system is in a shutdown state during the cylinder uncovering of the steam turbine, the conveying process of main lubricating oil cannot be normally carried out, and the whole circulation process of a new sealing oil system is established by switching the operation oil source of the single-flow ring sealing oil device to the small lubricating oil, so that the wind pressure test of the generator can be carried out under the condition that the lubricating oil system is not started, the wind pressure leakage checking progress of the generator is improved, and the time is saved for the machine set to be connected with the power grid in advance.
The wind pressure test of the generator is mainly to test the sealing condition of the stator after the maintenance of the generator, ensure that the hydrogen leakage of the generator reaches a preset target, and implement the integral air tightness test of the hydrogen system of the generator so as to test the assembly tightness of the hydrogen system of the whole generator.
The small lubricating oil device 3 comprises a small lubricating oil tank 31, a lubricating oil filter, two alternating current oil pumps, a direct current oil pump, two parallel oil coolers, a smoke discharging device, a switching valve, an overflow valve, a check valve, a sleeved oil pipeline, an oil supply and return pipeline, an oil level indicator, an electric heater device and elements, specifically, the effective volume in the small lubricating oil tank 31 is 40L, the overflow valve, the check valve, the throttle valve, the electric heater and the internal oil pipeline are arranged in and on the small lubricating oil tank 31, the two alternating current oil pumps, the oil level indicator, the smoke discharging device, the parallel oil coolers, the six-way switching valve and the three sets of electric heaters are further connected to the small lubricating oil tank 31, and the small lubricating oil device 3 is further provided with a direct current accident oil pump which is used for providing lubricating oil when the unit is subjected to alternating current power failure, so that the unit is safely stopped.
Specifically, the first conveying pipe 312 is one or more combinations of a straight pipe, a folded pipe, an arc pipe or an irregular pipe with a sealing ring, and in the process of transferring and conveying the sealing oil, the sealing oil can be stably conveyed to the uniflow ring sealing oil device 4 through the first conveying pipe with one or more combinations of the straight pipe, the folded pipe, the arc pipe or the irregular pipe with the sealing ring, so that the leakage and other conditions are avoided.
The first conveying pipe 312 is preferably a copper pipe, which is easy to process and connect, so that the copper pipe can save materials and total cost during installation, has good stability and reliability, can save maintenance, has lighter weight, good thermal conductivity and high low-temperature strength, and of course, other first conveying pipes with the same or similar performances can be used as conveying sealing oil pipes, and the first conveying pipe is not particularly limited herein.
Specifically, the first delivery pipe 312 is provided with a first flow control valve 313, and the delivery from the lubricating oil to the seal oil system is regulated by the first flow control valve 31, thereby improving the safety performance.
Specifically, as shown in fig. 3-4 and 6, the device further comprises a main engine lubricating oil device 5, the main engine lubricating oil device 5 is provided with a main engine lubricating oil tank 51, an oil inlet of the main engine lubricating oil tank 51 is communicated with an oil outlet of the lubricating oil delivery pump 2, and a sealing oil delivery port 513 of the main engine lubricating oil tank 51 is communicated with an input pipe orifice 40 of the uniflow ring sealing oil device 4 through a second delivery pipe 511.
The main engine lubricating oil device 5 comprises a main turbine, a drainage expansion tank, a pressure equalizing box for providing double-side steam sealing for the turbine and a main engine lubricating oil tank 51 for providing lubricating oil for the turbine, wherein the main engine lubricating oil tank 51 is connected with the main turbine through an alternating current lubricating oil pump and a direct current lubricating oil pump respectively, the alternating current lubricating oil pump and the direct current lubricating oil pump are mutually interlocked, a heat exchanger and a standby heat exchanger for cooling lubricating oil are arranged on a connecting pipe of the main engine lubricating oil tank 51 and the main turbine, an oil filter for filtering lubricating oil impurities is arranged on a cooling oil output pipe of the heat exchanger and the standby heat exchanger, an oil pressure detection device and a low oil pressure alarm device are arranged on a lubricating oil pipe connected with the main turbine through the oil filter, and the actual capacity of the main engine lubricating oil tank 51 is 350L.
Specifically, the main engine lubricating oil device 5 and the small engine lubricating oil device 3 are distributed in parallel, the main engine lubricating oil device 5 and the small engine lubricating oil device 3 are connected with the input pipe orifice 40 of the single-flow ring sealing oil device 4 through the second flow control valve 401 and the third connecting pipe, the main engine lubricating oil device 5 and the small engine lubricating oil device 3 are used for conveying sealing oil in a single operation or simultaneously conveying sealing oil, and the main engine lubricating oil device 5 and the small engine lubricating oil device 3 cooperate with each other to ensure the smooth conveying of lubricating oil to the single-flow ring sealing oil device 4 in a shutdown state or a normal operation state of a lubricating oil system during the cylinder uncovering of a steam turbine, further ensure that a generator wind pressure test can be performed under the condition that the lubricating oil system is not started, improve the wind pressure test progress of the generator, save time for the machine set to be connected in advance, and improve the diversity of operation.
Specifically, the second conveying pipe 511 is one or more combinations of a straight pipe, a folded pipe, an arc pipe or an irregular pipe with a sealing ring, and in the process of transferring and conveying the sealing oil, the sealing oil can be stably conveyed to the uniflow ring sealing oil device 4 through the first conveying pipe with one or more combinations of the straight pipe, the folded pipe, the arc pipe or the irregular pipe with the sealing ring, so that the leakage and other conditions are avoided.
The second pipe 511 is preferably a copper pipe, which is easy to manufacture and connect, so that the copper pipe can save materials and total cost during installation, has good stability and reliability, can save maintenance, has light weight, good thermal conductivity and high low-temperature strength, and of course, other first pipes with the same or similar performance can be used as the conveying sealing oil pipe without specific limitation.
Specifically, the third flow control valve 512 is disposed on the second delivery pipe 511, and the delivery from the lubricating oil to the sealing oil system is regulated by the first flow control valve 31, so that the safety performance is improved.
Specifically, the single-flow ring sealing oil device 4 comprises a generator 6, an oil return expansion tank 7, an air extraction tank 8, a float oil tank 9, a vacuum tank 10 and an oil conveying assembly 18, wherein the oil return expansion tank 7 and the air extraction tank 50 are respectively connected with a steam end 61 and an excitation end 62 of a generator sealing ring 48 through pipelines, the oil return expansion tank 7 is respectively connected with the air extraction tank 8 through two pipelines, the float oil tank 9 and an oil level regulating valve of the float oil tank are sequentially arranged on one pipeline, an outlet electric door 15 and an inlet electric door 16 are respectively arranged at two ends of the float oil tank 9, a second bypass electric door 17 is arranged on the other pipeline, a first oil inlet end of the vacuum tank 10 is communicated with the input pipe orifice 40, and an oil outlet end of the vacuum tank 10 is communicated with the generator 6 through the oil conveying assembly 18.
Specifically, the oil conveying assembly 18 includes a second main seal oil pump 181, a first main seal oil pump 182 and a seal oil recirculation pump 183 which are distributed in parallel, wherein two ends of the seal oil recirculation pump 183 are respectively communicated with a second oil inlet end of the vacuum box 10 and an oil outlet end of the vacuum box 10, and the second main seal oil pump 181 and the first main seal oil pump 182 are respectively communicated with the oil outlet end of the vacuum box 10 and the generator 6 through conveying pipelines.
Specifically, the conveying pipeline is provided with a filter assembly 19, an oil supply regulating valve 13 and a first bypass electric door 14, and the filter assembly 19 comprises a first oil supply filter screen 191 and a second oil supply filter screen 192, so that the sealing oil sequentially passes through the first main sealing oil pump 182 (or the second main sealing oil pump 181), the first oil supply filter screen 191 (or the second oil supply filter screen 192), the oil supply regulating valve 13 or the first bypass electric door 14 and enters the generator 6.
Wherein the vacuum box 10 is also called vacuum oil tank.
Specifically, the single-flow ring seal oil device 4 further comprises an oil-gas separator 11 and an oil-gas absorber 12, wherein two ends of the oil-gas separator 11 are respectively communicated with the air outlet hole of the air extraction groove 8 and the air inlet hole of the oil-gas absorber 12, and are used for separating and absorbing hydrogen.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings and the terms "first", "second", are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, directly connected, indirectly connected through an intervening medium, or in communication between two elements or in an interaction relationship between two elements, unless otherwise explicitly specified. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
While the fundamental and principal features of the invention and advantages of the invention have been shown and described, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics 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 disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (8)
1. The turbine generator sealing oil circulation system is characterized by comprising a lubricating oil storage tank, a lubricating oil delivery pump, a small lubricating oil device and a single-flow ring sealing oil device, wherein an oil outlet of the lubricating oil storage tank is communicated with an oil pumping port of the lubricating oil delivery pump;
the turbine generator sealing oil circulation system further comprises a main engine lubricating oil device, a main engine lubricating oil tank is arranged on the main engine lubricating oil device, an oil inlet of the main engine lubricating oil tank is communicated with an oil outlet of the lubricating oil conveying pump, and a sealing oil conveying port of the main engine lubricating oil tank is communicated with an input pipe orifice of the uniflow ring sealing oil device through a second conveying pipe;
The main machine lubricating oil device and the small machine lubricating oil device are distributed in parallel, the common ends of the main machine lubricating oil device and the small machine lubricating oil device are connected with the input pipe orifice of the single-flow ring sealing oil device through a second flow control valve and a third connecting pipe, and one of the main machine lubricating oil device and the small machine lubricating oil device independently operates to convey sealing oil or both of the main machine lubricating oil device and the small machine lubricating oil device simultaneously convey sealing oil;
The main engine lubricating oil device comprises a main turbine, a drainage expansion tank, a pressure equalizing box for providing double-side steam sealing for the main turbine and a main engine lubricating oil box for providing lubricating oil for the main turbine, wherein the main engine lubricating oil box is connected with the main turbine through an alternating-current lubricating oil pump and a direct-current lubricating oil pump respectively, and the alternating-current lubricating oil pump and the direct-current lubricating oil pump are mutually interlocked.
2. The turbine generator seal oil circulation system of claim 1, wherein the first delivery pipe is one or a combination of a plurality of straight pipes, folded pipes and arc pipes with sealing rings.
3. The turbonator seal oil circulating system of claim 2 wherein said first transfer tube is provided with a first flow control valve.
4. The sealing oil circulation system of the turbonator of claim 1, wherein the second conveying pipe is one or a combination of a plurality of straight pipes, folded pipes and arc pipes with sealing rings.
5. The sealing oil circulation system of a turbo generator of claim 4, wherein the second delivery pipe is provided with a third flow control valve.
6. The sealing oil circulation system of the turbo-generator according to claim 1, wherein the single-flow ring sealing oil device comprises a generator, an oil return expansion groove, an air extraction groove, a float oil tank, a vacuum box and an oil conveying component, the oil return expansion groove and the air extraction groove are respectively connected with a steam end and an excitation end of a generator sealing ring through pipelines, the oil return expansion groove is respectively connected with the air extraction groove through two pipelines, a float oil tank and an oil level regulating valve of the float oil tank are sequentially arranged on one pipeline, an outlet electric door and an inlet electric door are respectively arranged at two ends of the float oil tank, a second bypass electric door is arranged on the other pipeline, a first oil inlet end of the vacuum box is communicated with an input pipe orifice, and an oil outlet end of the vacuum box is communicated with the generator through the oil conveying component.
7. The turbine generator seal oil circulation system of claim 6, wherein the delivery oil assembly comprises a second main seal oil pump, a first main seal oil pump and a seal oil recirculation pump which are distributed in parallel, wherein two ends of the seal oil recirculation pump are respectively communicated with a second oil inlet end of the vacuum box and an oil outlet end of the vacuum box, and the second main seal oil pump and the first main seal oil pump are respectively communicated with the oil outlet end of the vacuum box and the generator through delivery pipelines.
8. The sealed oil circulation system of a turbo generator according to claim 7, wherein the single-flow ring sealed oil device further comprises an oil-gas separator and an oil-gas absorber, wherein two ends of the oil-gas separator are respectively communicated with the air outlet hole of the air extraction tank and the air inlet hole of the oil-gas absorber, and are used for separating and absorbing hydrogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011572647.3A CN112576319B (en) | 2020-12-25 | 2020-12-25 | A steam turbine generator sealing oil circulation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011572647.3A CN112576319B (en) | 2020-12-25 | 2020-12-25 | A steam turbine generator sealing oil circulation system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112576319A CN112576319A (en) | 2021-03-30 |
| CN112576319B true CN112576319B (en) | 2025-02-14 |
Family
ID=75139951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011572647.3A Active CN112576319B (en) | 2020-12-25 | 2020-12-25 | A steam turbine generator sealing oil circulation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112576319B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114033957B (en) * | 2021-11-05 | 2023-02-07 | 国能国华(北京)电力研究院有限公司 | Oil supply system and control method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214577231U (en) * | 2020-12-25 | 2021-11-02 | 沧州华润热电有限公司 | Sealing oil circulation system of turbonator |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4969796A (en) * | 1989-10-30 | 1990-11-13 | Westinghouse Electric Corp. | Method and apparatus for cooling shaft seals |
| CN203271831U (en) * | 2013-04-20 | 2013-11-06 | 大唐国际发电股份有限公司张家口发电厂 | Water chamber device of feed water pump turbine oil cooler |
| JP6124811B2 (en) * | 2014-01-17 | 2017-05-10 | アイシン・エィ・ダブリュ株式会社 | Vehicle drive device |
| CN203925616U (en) * | 2014-05-19 | 2014-11-05 | 山东电力建设第三工程公司 | The steam turbine generator suit oil-piping half oil outer circulatory system |
| CN204729140U (en) * | 2015-06-05 | 2015-10-28 | 广东大唐国际潮州发电有限责任公司 | A kind of outlet line device for little machine lubricating oil system |
| CN208168939U (en) * | 2017-11-02 | 2018-11-30 | 大唐彬长发电有限责任公司 | A kind of small machine lubrication oil supply system |
-
2020
- 2020-12-25 CN CN202011572647.3A patent/CN112576319B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214577231U (en) * | 2020-12-25 | 2021-11-02 | 沧州华润热电有限公司 | Sealing oil circulation system of turbonator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112576319A (en) | 2021-03-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109779706B (en) | A fully closed Brayton cycle thermal power conversion device | |
| CN112576319B (en) | A steam turbine generator sealing oil circulation system | |
| CN109830708A (en) | A kind of coupling heat management system of fuel cell car power assembly | |
| CN214577231U (en) | Sealing oil circulation system of turbonator | |
| CN207145619U (en) | Generator hydrogen cooling system sealing oil system | |
| JP2007016791A (en) | Combined power plant and closed air cooled gas turbine system | |
| CN106949753A (en) | A kind of control method of the changeable vacuum system of Air-cooled Unit full working scope | |
| CN117432930B (en) | Wellhead natural gas mixed transportation rapid supercharging device and application method | |
| CN106052414B (en) | Evacuation system for steam condenser and condenser vacuum pumping method | |
| CN203879554U (en) | Three-level water seal device of thermal power plant sealing heater | |
| CN117005917A (en) | Circulating water energy-saving system for non-contact main pipe and operation method | |
| CN112727555B (en) | Condensate pump arrangement method | |
| CN107559210B (en) | High temperature molten salt pump | |
| CN209539410U (en) | A kind of totally-enclosed Brayton cycle heat to power output device | |
| CN109442382B (en) | Water supply system of gas power generation boiler | |
| CN114449857A (en) | Liquid cooling system | |
| CN215170435U (en) | Heating and dust removing system for conveying low-concentration gas | |
| CN222377226U (en) | Single-flow ring type sealing oil system of generator | |
| CN215058170U (en) | Take evacuation system of two sets of lobe pumps | |
| CN206754781U (en) | A kind of vertical oil pump band check-valves outlet line | |
| CN216715822U (en) | Air-cooled phase modifier lubricating oil system | |
| CN217302752U (en) | Cooling device for diesel feed pump of circulating fluidized bed boiler | |
| CN222262407U (en) | A cooling water circulation system for a power station | |
| CN206299415U (en) | Steam turbine alternating current-direct current jacking(oil) pump oil supply system | |
| CN218624343U (en) | Shaft seal heat regenerative system of million ultra-supercritical unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |