CN110242553A - Nuclear power station oil pumping system test platform and its test method - Google Patents
Nuclear power station oil pumping system test platform and its test method Download PDFInfo
- Publication number
- CN110242553A CN110242553A CN201910542334.4A CN201910542334A CN110242553A CN 110242553 A CN110242553 A CN 110242553A CN 201910542334 A CN201910542334 A CN 201910542334A CN 110242553 A CN110242553 A CN 110242553A
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- Prior art keywords
- pump
- oil
- tested
- test platform
- oil pump
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B51/00—Testing machines, pumps, or pumping installations
Abstract
The invention belongs to nuclear power station cvcs technical field, providing a kind of nuclear power station oil pumping system test platform and its test method, the test platform includes motor, shaft coupling, cooling system, control loop and pump oil circulation line；One end of shaft coupling and the driving axis connection of motor, the axis connection of the other end and tested oil pump；The incoming end of pump oil circulation line, for connecting with the output end of tested oil pump, pump oil circulation line picks out end, for connecting with the input terminal of tested oil pump；It is provided with measuring device on pump oil circulation line, for measuring the operating parameter of tested oil pump；Cooling system is set on pump oil circulation line；Control loop is connected to motor.Nuclear power station oil pumping system test platform of the present invention be provided with motor, shaft coupling, pump oil circulation line, measuring device, it can be achieved that the important oil pump device of nuclear power station offline inspection and verifying, avoid risk existing for oil pump device on-line testing.
Description
Technical field
The invention belongs to nuclear power station cvcs technical fields, more specifically to a kind of nuclear power
It stands oil pumping system test platform and its test method.
Background technique
It is the very important nuclear safety equipment of nuclear power station that pump is filled on RCV (cvcs), and pump group is by leading
Pump, gear-box connect composition with main components such as motor.Wherein, output power of motor provides turning moment, passes through connection
Gear box input revolving speed is adjusted to rated speed, output to the main pump being connect with gearbox output.
Pump is filled on RCV when running well, and needs to provide lubrication and cooling by oil pumping system.If there is event in oil pumping system
Barrier, will have a direct impact on the normal operation that pump is filled on RCV, and then threaten the safe and stable operation of unit and equipment, meeting when serious
Biggish economic loss and influence are caused to nuclear power plant.
However, the spare parts cost of oil pumping system is higher, it is generally the case that original old oil pump repeats after all repairing
It uses.These old oil pumps can not off-line verification its safety, and online verification can run well to unit and generate threat.
Summary of the invention
It is existing in the prior art to solve the purpose of the present invention is to provide a kind of nuclear power station oil pumping system test platform
Nuclear power station oil pumping system can not off-line testing the technical issues of.
To achieve the above object, the technical solution adopted by the present invention is that: a kind of nuclear power station oil pumping system test platform is provided,
Including motor, shaft coupling, cooling system, control loop and pump oil circulation line；
The driving axis connection of one end of the shaft coupling and the motor, the axis connection of the other end and tested oil pump；
The incoming end of the pump oil circulation line, for being connect with the output end of the tested oil pump, the pump oil circulation
Pipeline picks out end, for connecting with the input terminal of the tested oil pump；
It is provided with measuring device on the pump oil circulation line, for measuring the operating parameter of the tested oil pump；
The cooling system is set on the pump oil circulation line, for adjusting pump oil in the pump oil circulation line
Temperature；
The control loop is connect with the motor, for controlling the working condition of the motor.
Optionally, the measuring device includes pressure gauge, and the pressure gauge is used to measure the output pressure of the tested oil pump
Power.
Optionally, the measuring device further includes flowmeter, and the flowmeter is used to measure the output of the tested oil pump
Flow.
Optionally, the cooling system includes cooler, for cooling down the pump oil in the pump oil circulation line.
Optionally, the cooler is air-cooled cooler.
Optionally, in the pump oil circulation line, the cooler is set to before the flowmeter.
Optionally, the test platform is additionally provided with oil pump mounting base, and the oil pump mounting base is for fixing the tested oil
The position of pump.
Optionally, the test platform is additionally provided with motor mount, and the motor mount is for fixing the motor
Position.
Optionally, the test platform is additionally provided with vialog, when carrying out operating parameter measurement, the measurement of the vialog
Component is attached on the bearing block of the tested oil pump.
Optionally, the test platform is additionally provided with noise test instrument, when carrying out operating parameter measurement, the noise test
Instrument is apart from the tested oil pump distance to a declared goal.
Optionally, the noise test instrument is portable noisemeter.
Optionally, the distance to a declared goal is 1~5 meter.
Optionally, the test platform is additionally provided with infrared temperature tester, and the infrared temperature tester is for measuring institute
State the bearing temperature of tested oil pump.
Optionally, the control loop includes power control cabinet, which connect with the motor, for mentioning to the motor
For electric energy.
Optionally, the revolving speed of the motor is adjustable.
The present invention also provides a kind of test methods of nuclear power station oil pumping system test platform, comprising:
The tested oil pump is connected on the pump oil circulation line, and it is described to pass through the axis of the tested oil pump
The driving axis connection of axis device and the motor；
By the control loop startup power supply, the axis for making the drive shaft of the motor drive the tested oil pump is rotated；
The operating parameter of the tested oil pump is measured by the measuring device；
Judge whether the working condition of the tested oil pump is abnormal according to the operating parameter.
The beneficial effect of nuclear power station oil pumping system test platform provided by the invention is: compared with prior art, this hair
Bright nuclear power station oil pumping system test platform is provided with motor, shaft coupling, pump oil circulation line, measuring device, it can be achieved that nuclear power station
The offline inspection and verifying of important oil pump device, avoid risk existing for oil pump device on-line testing.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without any creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the knot that the tested oil pump of nuclear power station oil pumping system test platform provided in an embodiment of the present invention is connected to motor
Structure schematic diagram；
Fig. 2 is the structural representation of the pump oil circulation line of nuclear power station oil pumping system test platform provided in an embodiment of the present invention
Figure；
Fig. 3 is the flow diagram of the test method of nuclear power station oil pumping system test platform provided in an embodiment of the present invention.
Specific embodiment
In order to which technical problems, technical solutions and advantages to be solved are more clearly understood, tie below
Accompanying drawings and embodiments are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element
On one element or indirectly on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", "upper", "lower", "front", "rear", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "top", "bottom" "inner", "outside" is that orientation based on the figure or position are closed
System, is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must have
Specific orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
Also referring to Fig. 1 and Fig. 2, now nuclear power station oil pumping system test platform provided by the invention is illustrated.Institute
State nuclear power station oil pumping system test platform, including motor 10, shaft coupling 20, cooling system, control loop and pump oil circulation line；
One end of shaft coupling 20 and the driving axis connection of motor 10, the axis connection of the other end and tested oil pump 001；
The incoming end of the pump oil circulation line, for being connect with the output end of tested oil pump 001, the pump oil circulation pipe
Road picks out end, for connecting with the input terminal of tested oil pump 001；
It is provided with measuring device on the pump oil circulation line, for measuring the operating parameter of tested oil pump 001；
The cooling system is set on the pump oil circulation line, for adjusting pump oil in the pump oil circulation line
Temperature；
The control loop is connect with the motor, for controlling the working condition of the motor.
In the present embodiment, the lubricating oil of oil pumping system offer metered flow and pressure, which enters on RCV, fills entering for pump gearbox
Its lubrication of confession, it is ensured that have enough lubricating oil before gear-box booting, guarantee gear-box safety.Pump oil system provided in this embodiment
Experiment installation can be used for the detection for detecting other nuclear power station pump oil equipment, as ASG system (auxiliary feedwater system) assists
Grease pump, ASG system lubricating oil primary pump, CRF system (nuclear power station circulation) auxiliary lubrication pump.
The motor 10 that can be adapted to according to the rated power and selection of speed of tested oil pump 001.Test platform is additionally provided with
10 mounting base of motor, 10 mounting base of motor are used to fix the position of motor 10.When motor 10 operates, since motor 10 is installed
The maintenance effect of seat, motor 10 will not generate excessive vibration, substantially increase the working life of motor 10.It is settable to control back
Road controls the on-off of the electric current of motor 10.
Shaft coupling is also known as shaft coupling, be it is a kind of for by different institutions driving shaft and driven shaft link up securely
It rotates together with, and the mechanical part of passing movement and torque.Here, the effect of shaft coupling 20 is to connect the driving of motor 10
The axis of axis and tested oil pump 001.The drive shaft of motor 10 drives tested oil pump 001 to rotate by shaft coupling 20.In one example,
Blossom type shaft coupling can be selected in shaft coupling 20, docks the axis of shaft end (i.e. one end of drive shaft) and tested oil pump 001 of motor 10
End.
The output end of tested oil pump 001 is the position that the oil pump pumps out lubricating oil, in some cases it may point out oil
Pipe.The input terminal of tested oil pump 001 is the position of oil pump sucking lubricating oil, in some cases it may refer to fuel sucking pipe.Pump
The part that oil circuit piping is connect with the output end of tested oil pump 001 is the incoming end of pump oil circulation line, in tested oil pump
When 001 work, lubricating oil flows into the incoming end of pump oil circulation line from the output end of tested oil pump 001.Pump oil circulation line with
The part of the input terminal connection of tested oil pump 001 is that pump oil circulation line picks out end, when tested oil pump 001 works, quilt
The input terminal for surveying oil pump 001 picks out end sucking lubricating oil from pump oil circulation line.It may be provided with cooling on pump oil circulation line
System prevents pump oil temperature excessively high for adjusting the temperature of pump oil in pump oil circulation line.
Fuel tank 304 is provided on pump oil circulation line, for storing lubricating oil.Fuel tank 304 is disposed in proximity to pump oil and follows
Endless tube road picks out end, in order to which tested oil pump 001 sucks lubricating oil.Hydraulic fluid port can be drawn in the input terminal setting of tested oil pump 001,
Before the operating of tested oil pump 001, from draw hydraulic fluid port be added it is enough draw oily (i.e. lubricating oil), to help tested oil pump 001 pump in time
Lubricating oil out reduces the time that tested oil pump 001 dallies.
Test device is used to measure the operating parameter of tested oil pump 001.Here, test device may include various operations
The instrument and meter of parameter, such as pressure gauge, flowmeter.Operating parameter may include pressure, flow etc..In order to guarantee the standard of measurement
True property, different test devices may be mounted on the position of pump oil circulation line adaptation.
Optionally, the measuring device includes pressure gauge 301, and pressure gauge 301 is used to measure the output pressure of tested oil pump 001
Power.
In the present embodiment, pressure gauge 301 can match the pressure gauge for being suitble to measurement lubricating oil pressure.Pressure gauge 301 can pacify
On pump oil circulation line loaded on the output end close to tested oil pump 001.Under normal conditions, close to the output of tested oil pump 001
The oil temperature of the lubricating oil at end is higher, it is therefore desirable to select the pressure gauge that can bear higher temperature.Here, higher temperature can be with
It is 60-80 DEG C.
Optionally, the measuring device further includes flowmeter 303, and flowmeter 303 is for measuring the tested oil pump 001
Output flow.
In the present embodiment, flowmeter 303 is used to measure the output flow of tested oil pump 001.For ease of calculation, output stream
The unit of amount can uniformly be set as L/min.
Optionally, the cooling system includes cooler 302, for cooling down the pump oil in the pump oil circulation line.
In the present embodiment, since tested oil pump 001 does work to lubricating oil, the temperature that will lead to lubricating oil rises.And it lubricates
The temperature of oil rises, and the volume of lubricating oil can also generate variation, the data inaccuracy for causing flowmeter 303 to measure.Therefore, it is necessary to
Installation cooler 302 cools down pump oil (lubricating oil i.e. above).Cooler 302 can select air-cooled cooler.It is air-cooled
The structure of cooler is relatively simple, and cooling efficiency is also relatively high, it can be achieved that needing cooling effect to be achieved.If environment temperature compared with
Low, the heating of lubricating oil is unobvious, then can be not provided with cooler 302.
Optionally, in the pump oil circulation line, the cooler 302 is set to before the flowmeter 303.
In the present embodiment, in order to guarantee the accuracy of 303 measurement data of flowmeter, cooler 302 need to be set to flowmeter
Before 303.That is, lubricating oil will first flow through cooler 302, then flow into after the outflow of the output end of tested oil pump 001
Meter 303.At this point, flowing into the lubricating oil temperature of flowmeter 303 has reduced, the correctness for the data on flows that flowmeter 303 measures
It is higher.
Optionally, the test platform is additionally provided with oil pump mounting base, and the oil pump mounting base is for fixing the tested oil
The position of pump 001.
In the present embodiment, in order to guarantee that tested oil pump 001 runs well, oil pump mounting base has been can be set in test platform,
For fixing the position of the tested oil pump 001.After tested oil pump 001 is fixed with oil pump mounting base, it is tested oil pump 001
When operation, big offset will not occur for position.
Optionally, the test platform is additionally provided with vialog, when carrying out operating parameter measurement, the measurement of the vialog
Component is attached on the bearing block of the tested oil pump 001.
In the present embodiment, vialog, which is also named, to be surveyed shake table vibration analyzer or surveys shake pen, is sensed using piezoelectric type acceleration
Vibration signal is converted into electric signal by device, is analyzed by the processing to electric signal, is calculated acceleration, the speed, displacement of vibration
Value.
Optionally, the test platform is additionally provided with noise test instrument, when carrying out operating parameter measurement, the noise test
Instrument is apart from tested 001 distance to a declared goal of oil pump.
Noise test instrument, also known as noise meter, sound level meter, for measuring environmental noise.Noise test instrument can be selected portable
Noisemeter.When carrying out noise test, noise test instrument making an uproar to tested oil pump 001 in operating status is held by staff
Sound is tested.Noise test instrument and tested oil pump 001 can be 1~5 meter.
Optionally, the test platform is additionally provided with infrared temperature tester, and the infrared temperature tester is for measuring institute
State the bearing temperature of tested oil pump 001.
In the present embodiment, test platform is additionally provided with infrared temperature tester, for measuring the bearing temperature of tested oil pump 001
Degree.Such as tested oil pump 001 operates problematic, and bearing temperature would generally be higher.
Optionally, the control loop includes power control cabinet, which connect with the motor 10, is used for the motor
10 provide electric energy.
In this implementation, control loop is also provided with power control cabinet, which is connected to motor, and provides electricity to motor
Energy.Variable-frequency motor can be used for motor, it can be achieved that revolving speed and output power to motor are adjusted.
As shown in figure 3, the embodiment of the invention also provides a kind of test method of nuclear power station oil pumping system test platform, packet
It includes:
S10, the tested oil pump is connected on the pump oil circulation line, and the axis of the tested oil pump is made to pass through institute
State the driving axis connection of shaft coupling Yu the motor；
S20, by the control loop startup power supply, the axis for making the drive shaft of the motor drive the tested oil pump turns
It is dynamic；
S30, the operating parameter that the tested oil pump is measured by the measuring device；
S40, judge whether the working condition of the tested oil pump is abnormal according to the operating parameter.
In the present embodiment, before testing, tested oil pump can be installed on oil pump fixed seat, then be connected by shaft coupling
The axis of tested oil pump and the drive shaft of motor.The input terminal of tested oil pump and output end are connect with pump oil circulation line, and examined
It looks into each connector and whether connects and (refer to that no oil leakage phenomenon, connector do not loosen, connector herein refers to tested oil
Pump and the device on the connecting portion of pump oil circulation line).
Startup power supply, tested oil pump are started to work under the drive of click.After stabilization to be lubricated, turning for motor is gradually increased
Speed reaches the normal work speed of tested oil pump.Then the operating parameter of tested oil pump is measured.
First test data sheet of more than 1 tested oil pump of table
In table 1, number " 01-1 " refers to the first time measured value of oil pump 01, and number " 01-2 " refers to the of oil pump 01
Secondary measurements.And so on.03,04, oil pump once records, therefore does not make special marking.In table 1 " it is required that " refer to
The operating value of target, " actual measurement " refer to actual measurement data.From table 1 it follows that in addition to the flow of oil pump 04 does not conform to
Especially, the measured value of other oil pumps and " required value " gap are smaller, substantially meet requirement.
Second test data sheet of more than 2 tested oil pumps of table
In table 2, oil pump number is corresponding with table 1, i.e., oil pump number 01 and " 01-1 ", " 01-2 " in table 1 belongs to same
The measured value of one oil pump.As can be seen from Table 2, the problem of oil pump 04, is larger, and vibration values are high, and noise is also high.And oil pump 01,02
Also occurs exception to a certain extent, the axis temperature of oil pump 01 is higher, and vibration values are bigger than normal, and abnormal sound occurs in oil pump 02.
Settable corresponding application program, obtains above-mentioned operating parameter, and by with preset threshold value comparison, with determination
Whether tested oil pump is abnormal.
The beneficial effect of nuclear power station oil pumping system test platform provided in an embodiment of the present invention is: with prior art phase
Than, nuclear power station oil pumping system test platform of the present invention be provided with motor, shaft coupling, pump oil circulation line, measuring device, it can be achieved that
The offline inspection and verifying of the important oil pump device of nuclear power station, avoid risk existing for oil pump device on-line testing.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of nuclear power station oil pumping system test platform, which is characterized in that including motor, shaft coupling, cooling system, control loop
With pump oil circulation line；
The driving axis connection of one end of the shaft coupling and the motor, the axis connection of the other end and tested oil pump；
The incoming end of the pump oil circulation line, for being connect with the output end of the tested oil pump, the pump oil circulation line
Pick out end, for being connect with the input terminal of the tested oil pump；
It is provided with measuring device on the pump oil circulation line, for measuring the operating parameter of the tested oil pump；
The cooling system is set on the pump oil circulation line, for adjusting the temperature of pump oil in the pump oil circulation line
Degree；
The control loop is connect with the motor, for controlling the working condition of the motor.
2. nuclear power station oil pumping system test platform as described in claim 1, which is characterized in that the measuring device includes pressure
Table, the pressure gauge are used to measure the output pressure of the tested oil pump；
The measuring device further includes flowmeter, and the flowmeter is used to measure the output flow of the tested oil pump；
The cooling system includes cooler, for cooling down the pump oil in the pump oil circulation line.
3. nuclear power station oil pumping system test platform as claimed in claim 2, which is characterized in that the cooler is air-cooled cooling
Device.
4. nuclear power station oil pumping system test platform as claimed in claim 2, which is characterized in that in the pump oil circulation line
In, the cooler is set to before the flowmeter.
5. nuclear power station oil pumping system test platform as described in claim 1, which is characterized in that the test platform is additionally provided with
Oil pump mounting base, the oil pump mounting base are used to fix the position of the tested oil pump；
The test platform is additionally provided with motor mount, which is used to fix the position of the motor.
6. nuclear power station oil pumping system test platform as described in claim 1, which is characterized in that the test platform is additionally provided with
Vialog, when carrying out operating parameter measurement, the measuring part of the vialog is attached on the bearing block of the tested oil pump.
7. nuclear power station oil pumping system test platform as described in claim 1, which is characterized in that the test platform is additionally provided with
Noise test instrument, when carrying out operating parameter measurement, the noise test instrument is apart from the tested oil pump distance to a declared goal；
The noise test instrument includes portable noisemeter；
The distance to a declared goal is 1~5 meter.
8. nuclear power station oil pumping system test platform as described in claim 1, which is characterized in that the test platform is additionally provided with
Infrared temperature tester, the infrared temperature tester are used to measure the bearing temperature of the tested oil pump.
9. nuclear power station oil pumping system test platform as described in claim 1, which is characterized in that the control loop includes automatically controlled
Cabinet, the power control cabinet are connect with the motor, for providing electric energy to the motor；
The revolving speed of the motor is adjustable.
10. the test method of nuclear power station oil pumping system test platform as described in claim 1-9 any one, which is characterized in that
Include:
The tested oil pump is connected on the pump oil circulation line, and the axis of the tested oil pump is made to pass through the shaft coupling
With the driving axis connection of the motor；
By the control loop startup power supply, the axis for making the drive shaft of the motor drive the tested oil pump is rotated；
The operating parameter of the tested oil pump is measured by the measuring device；
Judge whether the working condition of the tested oil pump is abnormal according to the operating parameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910542334.4A CN110242553A (en) | 2019-06-21 | 2019-06-21 | Nuclear power station oil pumping system test platform and its test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910542334.4A CN110242553A (en) | 2019-06-21 | 2019-06-21 | Nuclear power station oil pumping system test platform and its test method |
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| Publication Number | Publication Date |
|---|---|
| CN110242553A true CN110242553A (en) | 2019-09-17 |
Family
ID=67888718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910542334.4A Pending CN110242553A (en) | 2019-06-21 | 2019-06-21 | Nuclear power station oil pumping system test platform and its test method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110566797A (en) * | 2019-10-21 | 2019-12-13 | 德阳东汽电站机械制造有限公司 | Lubricating oil station performance test system and method |
| CN113063599A (en) * | 2021-03-31 | 2021-07-02 | 西安热工研究院有限公司 | Method for testing emergency starting reliability of important oil system of steam turbine of thermal power generating unit |
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| CN113063599A (en) * | 2021-03-31 | 2021-07-02 | 西安热工研究院有限公司 | Method for testing emergency starting reliability of important oil system of steam turbine of thermal power generating unit |
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Application publication date: 20190917 |