CN111852577A - Air pump vibration protection device and protection method thereof - Google Patents
Air pump vibration protection device and protection method thereof Download PDFInfo
- Publication number
- CN111852577A CN111852577A CN202010646156.2A CN202010646156A CN111852577A CN 111852577 A CN111852577 A CN 111852577A CN 202010646156 A CN202010646156 A CN 202010646156A CN 111852577 A CN111852577 A CN 111852577A
- Authority
- CN
- China
- Prior art keywords
- sensor
- tiles
- mets
- air pump
- pump
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 7
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 238000001514 detection method Methods 0.000 abstract 2
- 230000002159 abnormal effect Effects 0.000 description 4
- 230000001960 triggered effect Effects 0.000 description 4
- 239000000523 sample Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
- F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
-
- 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
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/08—Adaptations for driving, or combinations with, pumps
-
- 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
- F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
- F01D21/003—Arrangements for testing or measuring
-
- 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
- F01D25/04—Antivibration 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
- F01D25/16—Arrangement of bearings; Supporting or mounting bearings in casings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The invention provides a steam pump vibration protection device, which comprises four tiles, a water supply pump, three tiles, a coupler, a gear a, two tiles, a small steam turbine of the water supply pump, a tile, a positive thrust tile, a negative thrust tile and a gear b which are sequentially connected along the axial direction of a bearing, and is characterized in that the tile, the two tiles, the three tiles and the four tiles are respectively provided with two sensors for respectively detecting vibration offset in different directions, and the steam pump vibration protection method comprises the following steps: when one or more detection values of the sensor 1X, the sensor 3X, the sensor 1Y and the sensor 3Y reach the trigger threshold value and one or more detection values of the sensor 2X, the sensor 4X, the sensor 2Y and the sensor 4Y also reach the trigger threshold value, the air pump is tripped, and the misoperation of a protection system of the air pump is prevented when a single sensor reaches the preset trip threshold value by alternately detecting the rotation of the air pump at different positions, namely one watt and three watts or two watts and four watts.
Description
Technical Field
The invention relates to the technical field of air pump equipment, in particular to an air pump vibration protection device and a protection method thereof.
Background
At present, in the existing power generation enterprises, the existing steam turbine shaft vibration installation mode is that X and Y two shaft vibration probes are installed at each bearing, and four bearings are used in total, and when the unidirectional vibration value of each bearing exceeds the limit, a large vibration protection action is generated, the main protection of the unit has a single-point protection hidden danger, namely, when the single shaft vibration probe reaches a preset vibration threshold value, the air pump is tripped, and the misoperation or the rejection of a steam turbine protection system cannot be prevented.
Disclosure of Invention
The invention aims to provide a steam pump vibration protection device, which solves the problem of preventing the misoperation or the failure of a steam turbine protection system.
The invention is realized by the following technical scheme:
the steam pump vibration protection device comprises four tiles, a water feeding pump, three tiles, a coupler, a gear a, two tiles, a small steam turbine of the water feeding pump, one tile, a positive thrust tile and a negative thrust tile and a gear b which are sequentially connected along the axial direction of a bearing.
Further, the sensors are respectively a sensor 1X, a sensor 1Y, a sensor 2X, a sensor 2Y, a sensor 3X, a sensor 3Y, a sensor 4X and a sensor 4Y, the sensor 1X and the sensor 3X are connected to the METS clamping piece a, the sensor 2X and the sensor 4X are connected to the METS clamping piece b, the sensor 1Y and the sensor 3Y are connected to the METS clamping piece c, and the sensor 2Y and the sensor 4Y are connected to the METS clamping piece d.
The sensor 1X of the present invention is a sensor for detecting a vibration offset amount in a radial X-axis direction of one watt.
The sensor 1Y of the present invention is a sensor for detecting a vibration offset amount in the Y-axis direction in the radial direction of one watt.
The sensor 2X of the present invention is a sensor for detecting a vibration offset amount in a radial X-axis direction of two watts.
The sensor 2Y of the present invention is a sensor for detecting a vibration offset amount in a radial Y-axis direction of two watts.
The sensor 3X of the invention is a sensor for detecting the vibration offset in the radial X-axis direction of three watts.
The sensor 3Y of the present invention is a sensor for detecting a vibration offset amount in a three-watt radial Y-axis direction.
The sensor 4X of the present invention is a sensor for detecting a vibration offset amount in a radial X-axis direction of four watts.
The sensor 4Y of the present invention is a sensor for detecting a vibration offset amount in a radial Y-axis direction of four watts.
The X-axis direction is any radial direction, and the X-axis direction is perpendicular to the Y-axis direction.
The METS clamping piece is a device for tripping an air pump.
The sensors are sequentially crossed and connected with the four METS clamping pieces, so that abnormal shutdown of the air pump caused by faults of the single METS clamping piece is prevented, namely, when any one of the METS clamping piece a, the METS clamping piece b, the METS clamping piece c and the METS clamping piece d is damaged, the condition for triggering the air pump to trip is not met.
The method for protecting the vibration of the air pump comprises the following steps: tripping the air pump when one or more of sensor 1X, sensor 3X, sensor 1Y, and sensor 3Y is triggered, and one or more of sensor 2X, sensor 4X, sensor 2Y, and sensor 4Y is also triggered.
By cross-detecting different positions of the air pump rotation, i.e., one watt and three watts or two watts and four watts, the malfunction of a protection system for tripping the air pump when a single sensor reaches a preset trip threshold is prevented.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. according to the air pump vibration protection device, the sensors are sequentially connected with the four METS clamping pieces in a crossed manner, so that abnormal shutdown of an air pump caused by faults of the single METS clamping piece is prevented;
2. the air pump vibration protection device provided by the invention can prevent the misoperation of a protection system of the tripping air pump when a single sensor reaches a preset tripping threshold value by detecting different positions of the rotation of the air pump, namely one watt and three watts or two watts and four watts in a crossed manner.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the structure of the present invention.
Reference numbers and corresponding part names in the drawings:
1-bearing, 2-four-tile, 3-water supply pump, 4-three-tile, 5-coupler, 6-gear a, 7-two-tile, 8-water supply pump small turbine, 9-one-tile, 10-positive and negative thrust tile and 11-gear b.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following.
Example 1
As shown in fig. 1, the steam pump vibration protection device of the present invention comprises four tiles 2, a water feed pump 3, three tiles 4, a coupling 5, a gear a6, two tiles 7, a water feed pump steam turbine 8, one tile 9, a positive and negative thrust tile 10 and a gear b11 which are sequentially connected along the axial direction of a bearing 1, and is characterized in that the one tile 9, the two tiles 7, the three tiles 4 and the four tiles 2 are respectively provided with two sensors for respectively detecting vibration offset in different directions.
The sensors are respectively a sensor 1X, a sensor 1Y, a sensor 2X, a sensor 2Y, a sensor 3X, a sensor 3Y, a sensor 4X and a sensor 4Y, the sensor 1X and the sensor 3X are connected to the METS clamping piece a, the sensor 2X and the sensor 4X are connected to the METS clamping piece b, the sensor 1Y and the sensor 3Y are connected to the METS clamping piece c, and the sensor 2Y and the sensor 4Y are connected to the METS clamping piece d.
The sensors are sequentially crossed and connected with the four METS clamping pieces, so that abnormal shutdown of the air pump caused by faults of the single METS clamping piece is prevented, namely, when any one of the METS clamping piece a, the METS clamping piece b, the METS clamping piece c and the METS clamping piece d is damaged, the condition for triggering the air pump to trip is not met.
Example 2
Based on embodiment 1, the method for triggering the steam pump vibration protection device comprises the following steps: tripping the air pump when one or more of sensor 1X, sensor 3X, sensor 1Y, and sensor 3Y is triggered, and one or more of sensor 2X, sensor 4X, sensor 2Y, and sensor 4Y is also triggered.
By cross-detecting the different positions of the air pump rotation, i.e., one watt 9 and three watts 4 or two watts 7 and four watts 2, false tripping of the protection system of the air pump when a single sensor reaches a preset trip threshold is prevented.
According to the steam pump vibration protection device, the sensors are sequentially connected with the four METS clamping pieces in an intersecting mode, abnormal shutdown of the air pump caused by faults of the single METS clamping piece is prevented, and misoperation of a protection system of the air pump due to tripping when the single sensor reaches a preset tripping threshold value is prevented by detecting different positions of rotation of the air pump, namely one watt 9 and three watts 4 or two watts 7 and four watts 2 in an intersecting mode.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (3)
1. Steam pump vibration protection device includes along bearing (1) axial direction four tiles (2), feed pump (3), three tiles (4), shaft coupling (5), gear an (6), two tiles (7), the little steam turbine of feed pump (8), one tile (9), positive and negative thrust tile (10) and gear b (11) that connect gradually, its characterized in that, all be provided with two sensors that are used for detecting the vibration offset of different directions respectively on one tile (9), two tiles (7), three tiles (4) and four tiles (2), a plurality of sensors are alternately connected with a plurality of METS fastener in proper order.
2. The steam pump vibration protection device according to claim 1, wherein the sensors are a sensor 1X, a sensor 1Y, a sensor 2X, a sensor 2Y, a sensor 3X, a sensor 3Y, a sensor 4X and a sensor 4Y, the METS cards are a METS card a, a METS card b, a METS card c and a METS card d, the sensor 1X and the sensor 3X are connected to the METS card a, the sensor 2X and the sensor 4X are connected to the METS card b, the sensor 1Y and the sensor 3Y are connected to the METS card c, and the sensor 2Y and the sensor 4Y are connected to the METS card d.
3. The method for protecting against vibration of an air pump according to claim 2, wherein the air pump is tripped when the detected value of one or more of the sensor 1X, the sensor 3X, the sensor 1Y and the sensor 3Y reaches the trigger threshold and the detected value of one or more of the sensor 2X, the sensor 4X, the sensor 2Y and the sensor 4Y also reaches the trigger threshold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010646156.2A CN111852577B (en) | 2020-07-07 | 2020-07-07 | Pump vibration protection device and protection method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010646156.2A CN111852577B (en) | 2020-07-07 | 2020-07-07 | Pump vibration protection device and protection method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111852577A true CN111852577A (en) | 2020-10-30 |
| CN111852577B CN111852577B (en) | 2024-05-14 |
Family
ID=73152368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010646156.2A Active CN111852577B (en) | 2020-07-07 | 2020-07-07 | Pump vibration protection device and protection method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111852577B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203879555U (en) * | 2014-05-06 | 2014-10-15 | 大唐鲁北发电有限责任公司 | Steam turbine vibration protection device |
| CN105840250A (en) * | 2016-05-03 | 2016-08-10 | 大唐东北电力试验研究所有限公司 | Vibration protecting device and method of steam-turbine generator set |
| GB2537757A (en) * | 2015-04-23 | 2016-10-26 | Beijing Sifang Automation Co | Turbine-generator shaft torsional vibration protection method and device |
| CN106382135A (en) * | 2016-08-31 | 2017-02-08 | 西安陕鼓动力股份有限公司 | Safety interlocking shutdown system and methods of sintering waste heat recovery and sintering fan combined unit |
| CN106969828A (en) * | 2017-04-18 | 2017-07-21 | 中广核工程有限公司 | A kind of steam turbine watt vibration sensor fault diagnosis and passage check system and method |
| CN108374695A (en) * | 2017-01-31 | 2018-08-07 | 通用电气公司 | System and method and non-transitory computer-readable storage media for detection |
| CN109404066A (en) * | 2018-12-05 | 2019-03-01 | 华能国际电力股份有限公司大连电厂 | A kind of novel steam generating set monitoring and protection TSI system and its innovation optimization method |
| CN212508452U (en) * | 2020-07-07 | 2021-02-09 | 大唐巩义发电有限责任公司 | Steam pump vibration protection device |
-
2020
- 2020-07-07 CN CN202010646156.2A patent/CN111852577B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203879555U (en) * | 2014-05-06 | 2014-10-15 | 大唐鲁北发电有限责任公司 | Steam turbine vibration protection device |
| GB2537757A (en) * | 2015-04-23 | 2016-10-26 | Beijing Sifang Automation Co | Turbine-generator shaft torsional vibration protection method and device |
| CN105840250A (en) * | 2016-05-03 | 2016-08-10 | 大唐东北电力试验研究所有限公司 | Vibration protecting device and method of steam-turbine generator set |
| CN106382135A (en) * | 2016-08-31 | 2017-02-08 | 西安陕鼓动力股份有限公司 | Safety interlocking shutdown system and methods of sintering waste heat recovery and sintering fan combined unit |
| CN108374695A (en) * | 2017-01-31 | 2018-08-07 | 通用电气公司 | System and method and non-transitory computer-readable storage media for detection |
| CN106969828A (en) * | 2017-04-18 | 2017-07-21 | 中广核工程有限公司 | A kind of steam turbine watt vibration sensor fault diagnosis and passage check system and method |
| CN109404066A (en) * | 2018-12-05 | 2019-03-01 | 华能国际电力股份有限公司大连电厂 | A kind of novel steam generating set monitoring and protection TSI system and its innovation optimization method |
| CN212508452U (en) * | 2020-07-07 | 2021-02-09 | 大唐巩义发电有限责任公司 | Steam pump vibration protection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111852577B (en) | 2024-05-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105569931B (en) | A kind of driving chain of wind driven generator method for diagnosing faults | |
| CN102536349A (en) | Steam turbine overspeed protection method and system | |
| CN212508452U (en) | Steam pump vibration protection device | |
| CN101696906A (en) | Multi-source information fusion based state monitoring system and method of wind-driven generator | |
| CN103195583A (en) | Method for monitoring and protecting combustion of gas turbine by adopting air exhaust temperature dispersity | |
| CN102418661A (en) | A fault diagnosis method for wind turbine yaw system | |
| CN111852577A (en) | Air pump vibration protection device and protection method thereof | |
| CN212250340U (en) | A safety chain protection system for wind turbines | |
| CN205049707U (en) | Non -contact hydroelectric set detecting device of wriggling | |
| CN111577554A (en) | Wind turbine generator system safety chain protection system | |
| TWI707086B (en) | Wind power plant control system and control method of wind power plant | |
| CN111287914A (en) | Fan monitoring device and method | |
| US9657639B2 (en) | Ventilation system and method for monitoring air flow in a ventilation system for a turbomachine assembly | |
| CN112282868B (en) | A Protection System Based on Turbine Emergency Interruption | |
| JP6769564B2 (en) | Power system and relay | |
| CN109488455A (en) | A kind of diesel engine explosion-proof monitoring system based on explosion-proof sensor | |
| CN115199350A (en) | Pressurized water reactor steam turbine protection device, system and method | |
| CN211900884U (en) | Fan monitoring equipment | |
| CN209704771U (en) | A bolt detection device for a wind turbine of a wind power generating set | |
| CN210071451U (en) | Pretreatment device for methane detector between gas turbine and turbine | |
| CN106523041A (en) | Differential expansion protection control system for steam turbine | |
| CN113202575B (en) | Rotor axial vibration protection method of steam turbine unit | |
| CN114320492A (en) | Method, device and electronic equipment for power load unbalance protection of steam turbine unit | |
| JPS618631A (en) | Turbine vibration monitoring apparatus | |
| CN111245003A (en) | Renewable energy station isolated island protection method and device |
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 |