CN116733663B - Air supplementing system and air supplementing method for solving vibration of top cover of energy storage power station - Google Patents
Air supplementing system and air supplementing method for solving vibration of top cover of energy storage power station Download PDFInfo
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- CN116733663B CN116733663B CN202311021193.4A CN202311021193A CN116733663B CN 116733663 B CN116733663 B CN 116733663B CN 202311021193 A CN202311021193 A CN 202311021193A CN 116733663 B CN116733663 B CN 116733663B
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- 230000001502 supplementing effect Effects 0.000 title claims abstract description 122
- 238000004146 energy storage Methods 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000012544 monitoring process Methods 0.000 claims abstract description 51
- 230000002159 abnormal effect Effects 0.000 claims abstract description 5
- 238000012360 testing method Methods 0.000 claims description 7
- 230000003068 static effect Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010977 unit operation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
- F03B11/04—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator for diminishing cavitation or vibration, e.g. balancing
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Fluid Pressure (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The application discloses an air supplementing system and an air supplementing method for solving the problem of vibration of a top cover of an energy storage power station, wherein the air supplementing system comprises a pressure air source pipe, a main pipe, an automatic air supplementing device, a monitoring module and a multi-way branch pipe communicated with the main pipe; the main pipe is connected to the pressure air source pipe; the automatic air supplementing device comprises an air supplementing pipeline, a pressure transmitter and an electromagnetic valve which are arranged on the air supplementing pipeline, wherein two ends of the air supplementing pipeline are respectively communicated with the branch pipe and the top cover of the unit, and the monitoring module is electrically connected with the pressure transmitter and the electromagnetic valve on the automatic air supplementing device; the method for automatically supplementing air under the abnormal vibration condition of the unit is realized by adopting an automatic control loop and judgment and adopting accurate air quantity control, so that the problem of vibration of a specific top cover is solved; meanwhile, through linkage coordination of the monitoring module and the unit flow and real-time pressure condition, corresponding operation is accurately executed, possible alarm information is timely sent out, and effective execution of the method is ensured.
Description
Technical Field
The application relates to the technical field of top cover vibration of water turbines, in particular to an air supplementing system and an air supplementing method for solving the problem of top cover vibration of an energy storage power station.
Background
The hydraulic development of the pump turbine of the pumped storage power station is the most important and core content of the whole power station construction, and the design complexity of the pump turbine of the pumped storage power station causes the problem that the top cover of the current pumped storage power station is vibrated greatly. The fundamental reason for the abnormal vibration of the top cover of the water pump turbine of the pumped storage power station is that the design of the vibration prevention margin between the turbine runner and the top cover is insufficient, so that the runner is excited by the rotation frequency of the movable guide vane outlet to generate abnormal vibration; when the rotating wheel rotates, the generated excitation frequency is transmitted to the top cover through the cavity between the top cover and the rotating wheel, so that forced vibration or resonance phenomenon is generated at the top cover. Once the problem of abnormal increase of the vibration of the top cover occurs, the whole overcurrent metal structure can bear extremely large alternating stress, the unit operates under the condition to cause a series of problems of loosening of key bolts, metal fatigue of the metal structure and the like, and serious accidents such as flooding of a factory building are induced, so that huge potential safety hazards exist for the operation of the whole power station. Therefore, it is necessary to design an air supplementing system and an air supplementing method which are specially designed for solving the problem of vibration of the top cover.
Disclosure of Invention
The application aims at overcoming the defects in the technology, and provides an air supplementing system and an air supplementing method for solving the problem of vibration of a top cover of an energy storage power station.
The application provides an air supplementing system for solving the problem of vibration of a top cover of an energy storage power station, which comprises a pressure air source pipe, a main pipe, an automatic air supplementing device, a monitoring module and a multi-way branch pipe communicated with the main pipe; the main pipe is connected to the pressure air source pipe; the automatic air supplementing device comprises an air supplementing pipeline, a pressure transmitter and an electromagnetic valve, wherein the pressure transmitter and the electromagnetic valve are arranged on the air supplementing pipeline, two ends of the air supplementing pipeline are respectively communicated with the branch pipe and the top cover of the unit, and the monitoring module is electrically connected with the pressure transmitter and the electromagnetic valve on the automatic air supplementing device.
Further, the automatic air supplementing device also comprises an air filter, and the air filter is communicated with the air supplementing pipeline and is positioned at the front end of the electromagnetic valve; the pressure transmitter is located at the rear end of the solenoid valve. The automatic air supplementing device further comprises a one-way valve and an orifice plate which are communicated with the air supplementing pipeline, the one-way valve is positioned at the rear end of the pressure transmitter, and the orifice plate is positioned at the rear end of the one-way valve.
Further, the main pipe is connected to the pressure air source pipe through a three-way joint; the lower end of the three-way joint is provided with a first ball valve; two ends of the main pipe are respectively communicated with a second ball valve and a third ball valve; the front end of the air supplementing pipeline is communicated with a fourth ball valve, and the branch pipe is communicated with the front end of the fourth ball valve. The end part of the air supplementing pipeline is communicated with an HCO2 pipeline on the unit in a welding way, and a fifth ball valve is communicated between the HCO2 pipeline and the throttle plate on the air supplementing pipeline. The pressure relief pipeline is connected with the rear end of the fourth ball valve on the air supplementing pipeline, and the sixth ball valve is communicated with the pressure relief pipeline.
The air supplementing method for solving the vibration of the top cover of the energy storage power station comprises the following steps of:
s1: when the top cover vibration abnormality problem occurs in the operation of the unit, a monitoring module for monitoring the unit issues a command and opens the electromagnetic valve; after the high-pressure gas passes through the electromagnetic valve, the pressure transmitter obtains a high-pressure gas pressure value and synchronously transmits the high-pressure gas pressure value to the monitoring module for air supplementing, and whether the automatic air supplementing device is normally put into operation is judged through preset conditions;
s2: when the unit operates to leave the high-load vibration area of the top cover or is in a stop state, a monitoring module for unit monitoring issues a command, the electromagnetic valve is closed, and high-pressure gas is isolated at the electromagnetic valve; the pressure transmitter synchronously sends the air supplementing pressure value of the monitoring module, and whether the automatic air supplementing device is normally closed is judged through preset conditions.
Further, when the pressure value sent by the pressure transmitter to the monitoring module does not accord with the normal pressure range set by the system, the monitoring module sends out relevant alarm information through the sending module and informs the operator on duty of the power station.
Further, during the machine set backup period, the air supplementing pipeline is led into the top cover cavity, and the pressure signal of the pressure transmitter is sent into the monitoring module for cooperation so as to carry out static test on the loop of the automatic air supplementing device, thereby confirming that the equipment operates normally.
Further, the on-load test is carried out on the operation of the unit, the air supplementing quantity and the vibration condition of the unit are monitored, and the size of the throttle aperture of the throttle orifice plate is adjusted according to the monitoring condition so as to eliminate the vibration of the top cover by using small air quantity.
Compared with the prior art, the method has the following beneficial effects:
the application provides an air supplementing system and an air supplementing method for solving the vibration of a top cover of an energy storage power station. The application has the main technical effects that:
1. the implementation is flexible; the arrangement of external pipelines, valves and gas regulating and controlling equipment does not need the equipment to be returned, and the device can be flexibly developed at any time. And only when the compressed gas pipeline is introduced into the top cover cavity and the related pressure signals are sent into the unit monitoring system for cooperative combination, the unit exit time is effectively reduced.
2. The tonifying qi is accurate and reliable; through the cooperation of automatic air supplementing electromagnetic valve, pressure transmitter, orifice plate and monitored control system, ensure that the air supplementing is accurate reliable, realize accurate control and the judgement of tolerance.
3. The air supplementing flow is matched with the unit operation in a coordinated manner; the air supplementing system is timely and accurately put into the air supplementing system according to the running load condition of the unit; when the air supplementing is not needed, the air supplementing loop is automatically closed, the influence on an air system is reduced, and the safe and stable operation of the unit is ensured.
4. The gas consumption is small and economical; through the control of the internal size of the throttle orifice plate and the verification of a unit test, the minimum air quantity is ensured to eliminate the vibration of the top cover, and the influence of the whole loop on an air system is reduced to the minimum.
5. Monitoring linkage; ensure the safety, economy and stability of the air supply. The corresponding operation is accurately executed through the linkage coordination of the monitoring module and the unit flow and the real-time pressure condition, and possible alarm information is timely sent out, so that the method is ensured to be effectively executed.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only preferred embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a total circuit of an air make-up system for addressing vibration of a top cover of an energy storage power station in accordance with the present application;
FIG. 2 is a front view of the automatic air supply device of the present application;
FIG. 3 is a side view of the automatic air make-up device of the present application;
FIG. 4 is a flow chart of a method of supplementing air to solve the problem of vibration of the top cover of an energy storage power station according to the present application.
In the figure, a 1-pressure air source pipe; 2-a main pipe; 3-branch pipes; 4-three-way joint; a 5-HCO2 line; 6, a pressure relief pipeline; 11-a first ball valve; 12-a second ball valve; 13-a third ball valve; 14-fourth ball valve; 15-a fifth ball valve; 16-a sixth ball valve; 17-seventh ball valve; 21-an air supplementing pipeline; 22-pressure transmitter; 23-an electromagnetic valve; 24-an air filter; 25-a one-way valve; 26-orifice plate.
Detailed Description
For a better understanding of the present application, its construction, and the functional features and advantages attained by the same, reference should be made to the accompanying drawings in which:
as shown in fig. 1 to 3, the application provides an air supplementing system for solving the problem of vibration of a top cover of an energy storage power station, which comprises a pressure air source pipe 1, a main pipe 2, an automatic air supplementing device, a monitoring module and a multi-way branch pipe 3 communicated with the main pipe 2; the main pipe 2 is connected to the pressure air source pipe 1; the automatic air supplementing device comprises an air supplementing pipeline 21, a pressure transmitter 22 and an electromagnetic valve 23 which are arranged on the air supplementing pipeline 21, two ends of the air supplementing pipeline 21 are respectively communicated with the branch pipe 3 and the top cover of the unit, and the monitoring module is electrically connected with the pressure transmitter 22 and the electromagnetic valve 23 on the automatic air supplementing device. The electromagnetic valve 23 is used for receiving instructions of the unit monitoring module, executing opening and closing operations, and realizing the on and off operations of the air supplementing loop. The pressure transmitter 22 is used for monitoring the pressure condition of the loop of the integral air supplementing pipeline 21, judging whether the loop of the air supplementing pipeline 21 is normally operated, and sending a pressure signal to a monitoring module of the unit so that the monitoring module can timely and ready open and close the electromagnetic valve 23. Further, the monitoring module comprises a monitoring module and a control module, and the monitoring module is electrically connected with the control module to monitor and control the pressure state and the use state of the pressure transmitter 22 and the electromagnetic valve 23 on the automatic air supplementing device.
As another preferable scheme, the air supplementing pipeline 21 is connected with the double electromagnetic valves 23, so that the reliability of the system is improved through the arrangement of the double electromagnetic valves 23, and when the main electromagnetic valve 23 fails to be normally opened, the standby electromagnetic valve 23 is started; the double electromagnetic valves 23 are electrically connected with the monitoring module.
As another preferable scheme, the automatic air supplementing device further comprises an air filter 24, wherein the air filter 24 is used for precisely filtering air supplementing, guaranteeing the cleanliness of compressed air and improving the safety and reliability of air supplementing loop equipment; the air filter 24 is communicated with the air supplementing pipeline 21 and is positioned at the front end of the electromagnetic valve 23; the pressure transmitter 22 is located at the rear end of the solenoid valve 23. The automatic air supplementing device further comprises a one-way valve 25 and a throttling orifice 26 which are communicated with the air supplementing pipeline 21, wherein the one-way valve 25 is positioned at the rear end of the pressure transmitter 22, and the one-way valve 25 is used for controlling the one-way flow of fluid in the air supplementing pipeline 21 so as to ensure that the water flow in the top cover does not generate a reverse flow problem under the condition that air supplementing is closed; the orifice plate 26 is located the check valve 25 rear end, and orifice plate 26 is used for controlling the flow of getting into the inside gas of top cap, cooperates pressure transmitter 22 to realize the control to solenoid valve 23 state simultaneously.
As another preferable scheme, the main pipe 2 is connected to the pressure air source pipe 1 through the three-way joint 4; the lower end of the three-way joint 4 is provided with a first ball valve 11, and the first ball valve 11 is mainly used for pressure relief and exhaust of the pressure air source pipe 1; two ends of the main pipe 2 are respectively communicated with a second ball valve 12 and a third ball valve 13, and the second ball valve 12 and the third ball valve 13 are used for isolating the main pipe 2; the front end of the air supplementing pipeline 21 is communicated with a fourth ball valve 14, the branch pipe 3 is communicated with the fourth ball valve 14, and the fourth ball valve 14 is used as an air supplementing main control valve of a single unit to control air supplementing of a unit top cover. The end part of the air supplementing pipeline 21 is communicated with an HCO2 pipeline 5 on the unit in a welding way, a fifth ball valve 15 is communicated between the HCO2 pipeline 5 and an orifice plate 26 on the air supplementing pipeline 21, and the fifth ball valve 15 is a terminal outlet valve of an air supplementing system. The pressure relief pipeline 6 is connected to the rear end of the fourth ball valve 14 on the air supplementing pipeline 21, and the sixth ball valve 16 is communicated to the pressure relief pipeline 6 and used for pressure relief and exhaust of the air supplementing pipeline 21 of the single unit. A seventh ball valve 17 is arranged between the electromagnetic valve 23 and the one-way valve 25 on the air supplementing pipeline 21 and is used for manual isolation after air supplementing of a single unit. By providing the sixth ball valve 16, the fourth ball valve 14 and the seventh ball valve 17 can be opened with the fourth ball valve being closed, and the inside of the air supply line 21 is depressurized to perform necessary repair and maintenance work. In the application, 1#, 2#, 3# and 4# respectively correspond to 4 sets of units, and the ball valve is a manual ball valve, and the function of the manual ball valve is mainly used for checking and isolating relevant areas of the system.
As shown in fig. 4, the application further provides a method for supplementing air for solving the vibration of the top cover of the energy storage power station, which is used for the air supplementing system for solving the vibration of the top cover of the energy storage power station, and comprises the following steps:
s1: when the top cover vibration abnormality problem occurs in the operation of the unit, a monitoring module for monitoring the unit issues a command and opens the electromagnetic valve 23; after the high-pressure gas passes through the electromagnetic valve 23, the pressure transmitter 22 obtains a high-pressure gas pressure value and synchronously sends the high-pressure gas pressure value to the monitoring module for air supplementing, and whether the automatic air supplementing device is normally put into operation is judged through preset conditions; the value of pressure transmitter 22 is substantially identical to the high side supply pressure due to the presence of orifice plate 26; based on the throttle expansion principle, high-pressure gas is blocked to expand towards low pressure after the throttle orifice 26 precisely controls the gas flow, and the rear end is directly communicated to the upper cavity of the top cover so as to realize the consistency of the pressure with the pressure of the upper cavity of the top cover.
S2: when the unit operates to leave the high-load vibration area of the top cover or is in a stop state, a monitoring module for unit monitoring issues a command, the electromagnetic valve 23 is closed, and high-pressure gas is blocked at the electromagnetic valve 23; the pressure transmitter 22 synchronously sends the air supplementing pressure value of the monitoring module, and judges whether the automatic air supplementing device is normally closed or not by preset conditions so as to reduce the air consumption. At this time, the whole circuit maintains the top cover upper cavity pressure after the electromagnetic valve 23 and no backflow phenomenon occurs due to the existence of the check valve 25.
Preferably, when the pressure value of the pressure transmitter 22 sent to the monitoring module does not accord with the normal pressure range set by the system in the running or stopping state, the monitoring module sends out relevant alarm information through the sending module and informs the operator on duty of the power station, so that the operator on duty immediately confirms and organizes for processing, and the safe and stable running of the unit is ensured.
Preferably, during the machine set standby period, the air supplementing pipeline 21 is led into the top cover cavity, and the pressure signal of the pressure transmitter 22 is sent to the monitoring module for cooperation so as to perform static test on the loop of the automatic air supplementing device, thereby confirming that the equipment operates normally.
Preferably, the operation of the unit is subjected to a load test, the air supplementing amount and the vibration condition of the unit are monitored, and the size of the throttle aperture of the throttle orifice plate 26 is adjusted according to the monitoring condition so as to eliminate the vibration of the top cover by using small air amount. Further, the size of the throttling aperture is adjusted according to the monitoring condition, so that the minimum air quantity is adopted to eliminate the vibration of the top cover, and the influence of the whole loop on the air system is reduced to the minimum.
The arrangement and control mode of the system loop equipment can show that the air supplementing method adopting the cooperative control can effectively and reliably solve the problem of vibration of the top cover of the energy storage power station, and has the characteristics of simple equipment configuration, accurate and reliable air supplementing, safe and stable unit operation and the like.
The above is only a preferred embodiment of the present application, and is not intended to limit the present application in any way. Many possible variations and modifications of the disclosed technology can be made by anyone skilled in the art, or equivalent embodiments with equivalent variations can be made, without departing from the scope of the disclosed technology. Therefore, any modification, equivalent variation and modification of the above embodiments according to the technology of the present application fall within the protection scope of the present application.
Claims (6)
1. The air supplementing system for solving the vibration of the top cover of the energy storage power station is characterized by comprising a pressure air source pipe (1), a main pipe (2), an automatic air supplementing device, a monitoring module and a multi-way branch pipe (3) communicated with the main pipe (2); the main pipe (2) is connected to the pressure air source pipe (1); the automatic air supplementing device comprises an air supplementing pipeline (21), a pressure transmitter (22) and an electromagnetic valve (23) which are arranged on the air supplementing pipeline (21), wherein two ends of the air supplementing pipeline (21) are respectively communicated with the branch pipe (3) and the top cover of the unit, and the monitoring module is electrically connected with the pressure transmitter (22) and the electromagnetic valve (23) on the automatic air supplementing device;
the automatic air supplementing device further comprises a one-way valve (25) and a throttle plate (26) which are communicated with the air supplementing pipeline (21), wherein the one-way valve (25) is positioned at the rear end of the pressure transmitter (22), and the throttle plate (26) is positioned at the rear end of the one-way valve (25);
the automatic air supplementing device further comprises an air filter (24), wherein the air filter (24) is communicated with the air supplementing pipeline (21) and is positioned at the front end of the electromagnetic valve (23); the pressure transmitter (22) is positioned at the rear end of the electromagnetic valve (23), and the pressure transmitter (22) is positioned between the electromagnetic valve (23) and the throttle plate (26);
the main pipe (2) is connected to the pressure air source pipe (1) through a three-way joint (4); the lower end of the three-way joint (4) is provided with a first ball valve (11); two ends of the main pipe (2) are respectively communicated with a second ball valve (12) and a third ball valve (13); the front end of the air supplementing pipeline (21) is communicated with a fourth ball valve (14), and the branch pipe (3) is communicated with the fourth ball valve (14);
the end part of the air supplementing pipeline (21) is communicated with an HCO2 pipeline (5) on the unit in a welding way, and a fifth ball valve (15) is communicated between the HCO2 pipeline (5) and the throttle plate (26) on the air supplementing pipeline (21).
2. The air supplementing system for solving the vibration of the top cover of the energy storage power station according to claim 1, wherein a pressure relief pipeline (6) is connected to the air supplementing pipeline (21) at the rear end of the fourth ball valve (14), and a sixth ball valve (16) is communicated to the pressure relief pipeline (6).
3. An air supplementing method for solving the problem of vibration of a top cover of an energy storage power station, which uses the air supplementing system for solving the problem of vibration of the top cover of the energy storage power station according to claim 2, and comprises the following steps:
s1: when the problem of abnormal vibration of a top cover occurs in the operation of the unit, the monitoring module for monitoring the unit issues a command and opens the electromagnetic valve (23); after the high-pressure gas passes through the electromagnetic valve (23), the pressure transmitter (22) obtains a high-pressure gas pressure value and synchronously sends the high-pressure gas pressure value to the monitoring module for supplementing the gas pressure value, and whether the automatic gas supplementing device is normally put into is judged through preset conditions;
s2: when the unit operates to leave the high-load vibration area of the top cover or in a stop state, the monitoring module for unit monitoring issues a command, the electromagnetic valve (23) is closed, and high-pressure gas is blocked at the electromagnetic valve (23); the pressure transmitter (22) synchronously transmits the air supplementing pressure value of the monitoring module, and judges whether the automatic air supplementing device is normally closed or not through preset conditions.
4. The method for supplementing air to solve vibration of a top cover of an energy storage power station according to claim 3, wherein when the pressure value sent by the pressure transmitter (22) to the monitoring module does not accord with the normal pressure range set by the system, the monitoring module sends out relevant alarm information through the sending module and informs an operator on duty of the power station.
5. A method of supplementing air to solve vibration of a top cover of an energy storage power station according to claim 3, characterized in that during the machine set is withdrawn, the air supplementing pipeline (21) is led into the top cover cavity, and the pressure signal of the pressure transmitter (22) is sent to the monitoring module for cooperation so as to carry out static test on the loop of the automatic air supplementing device, thereby confirming that the equipment is working normally.
6. The method for solving the problem of vibration of the top cover of the energy storage power station according to claim 3, characterized in that the operation of the unit is subjected to a load test, the air supplementing amount and the vibration condition of the unit are monitored, and the size of the throttle aperture of the throttle plate (26) is adjusted according to the condition monitoring so as to eliminate the vibration of the top cover by using small air amount.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311021193.4A CN116733663B (en) | 2023-08-15 | 2023-08-15 | Air supplementing system and air supplementing method for solving vibration of top cover of energy storage power station |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311021193.4A CN116733663B (en) | 2023-08-15 | 2023-08-15 | Air supplementing system and air supplementing method for solving vibration of top cover of energy storage power station |
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| CN116733663A CN116733663A (en) | 2023-09-12 |
| CN116733663B true CN116733663B (en) | 2023-11-03 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11324883A (en) * | 1998-03-16 | 1999-11-26 | Electric Power Dev Co Ltd | Horizontal shaft hydraulic machine and operating method thereof |
| CN202520468U (en) * | 2012-03-21 | 2012-11-07 | 杭州杭发发电设备有限公司 | Air supply device for top cover of water turbine |
| CN210217979U (en) * | 2019-07-24 | 2020-03-31 | 黄河水利水电开发总公司 | Tail water air replenishing system of hydroelectric generating set |
| CN214063201U (en) * | 2020-09-25 | 2021-08-27 | 龙滩水电开发有限公司龙滩水力发电厂 | Novel automatic air supplement device |
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-
2023
- 2023-08-15 CN CN202311021193.4A patent/CN116733663B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11324883A (en) * | 1998-03-16 | 1999-11-26 | Electric Power Dev Co Ltd | Horizontal shaft hydraulic machine and operating method thereof |
| CN202520468U (en) * | 2012-03-21 | 2012-11-07 | 杭州杭发发电设备有限公司 | Air supply device for top cover of water turbine |
| CN210217979U (en) * | 2019-07-24 | 2020-03-31 | 黄河水利水电开发总公司 | Tail water air replenishing system of hydroelectric generating set |
| CN214063201U (en) * | 2020-09-25 | 2021-08-27 | 龙滩水电开发有限公司龙滩水力发电厂 | Novel automatic air supplement device |
| CN116335869A (en) * | 2023-04-18 | 2023-06-27 | 贵州乌江水电开发有限责任公司沙沱发电厂 | Forced air supplementing system of water turbine and operation method |
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| Title |
|---|
| 抽水蓄能电站压水气系统压水工况中阀门低温问题的数值模拟研究;舒崚峰等;《中国农村水利水电》;第201-208页 * |
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| CN116733663A (en) | 2023-09-12 |
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