CN208999067U - A kind of generator sealing bearing bush experimental rig - Google Patents
A kind of generator sealing bearing bush experimental rig Download PDFInfo
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- CN208999067U CN208999067U CN201721875458.7U CN201721875458U CN208999067U CN 208999067 U CN208999067 U CN 208999067U CN 201721875458 U CN201721875458 U CN 201721875458U CN 208999067 U CN208999067 U CN 208999067U
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Abstract
The utility model belongs to generator of nuclear power station technical field, and in particular to a kind of generator sealing bearing bush experimental rig；A kind of normal operating condition for making the sealing bearing bush tested reach simulation Turbo-generator Set is provided, and then gap, sealing oil pressure, flow and the temperature of studying assessment sealing bearing bush and axis influence a kind of generator sealing bearing bush experimental rig to sealing bearing bush operating status；Including testing host (1), temperature sensor (2), speed probe (3), vibrating sensor (4), flow sensor (5), leakproof fuel cell (6), electric heater (7), gs-oil separator (8), frequency conversion oil pump (9), valve (10), pressure sensor (11), water cooler (12), mechanical filter (13), magnetic filter (14), buffer oil tank (15), air compressor (16), air accumulator (17), air reducing valve (18), air cleaner (19) and air dryer (20).
Description
Technical field
The invention belongs to generator of nuclear power station technical fields, and in particular to a kind of generator sealing bearing bush experimental rig.
Background technique
The hydrogen inside hydrogen cooled generator is along the gap leakage between generator both ends casing and rotor in order to prevent,
Generator both ends have been respectively mounted sealing bearing bush device, and the hydrogen come in sealed electric generator by the high pressure sealing oil of flowing leaks.
Such sealing bearing bush maintenance is complicated, and mounting process requires height, and the sealing bearing bush of this kind of pattern is in unit red switch or operation
It is easy to the problem of deforming in the process, field gulf nuclear power station once repeatedly appeared in unit running process because sealing bearing bush deformation is led
The defect for causing sealing bearing bush temperature high, seriously threatens the safe and stable operation of unit.
The reason of sealing bearing bush deforms is more complicated, may be for machining stress does not discharge and gradually releases in the process of running
It puts and causes to deform, it is also possible to which blank natrual ageing is not enough during sealing bearing bush processing and manufacturing or heat treatment process has shortcoming
And cause to deform, no matter which kind of reason, require just deform after sealing bearing bush runs a period of time, therefore overhaul
Cheng Zhong can not determine the state of sealing bearing bush in the process of running.
Moreover, in the sealing bearing bush installation standard that the Russian side provides being formulated under Russian local environmental weather conditions
, since weather, the temperature difference of China and Russia are larger, when being installed according to the standard that the Russian side provides to sealing bearing bush,
Sealing oil system often will appear some conflicting problems, such as increases sealing bearing bush internal diameter and corresponding axle journal difference, can drop
Low watt of temperature, but may result in the decline of Seal Oil fuel feeding main-piping pressure, even lower than run-limiting, on the contrary, then may cause watt
Temperature increases.
Therefore, the installation for such sealing bearing bush at present mainly carries out sealing bearing bush by experienced maintenance personal
Maintenance and installation, even if in this way, still will appear due to mounting process or sealing bearing bush deformation the problem of, lead to sealing bearing bush watt temperature
The phenomenon that the defects of height, leakage hydrogen.
Summary of the invention
The object of the present invention is to which in view of the shortcomings of the prior art, providing a kind of makes the sealing bearing bush tested reach simulation steamer
The normal operating condition of generating set, and then gap, sealing oil pressure, flow and the temperature of assessment sealing bearing bush and axis are studied to close
Envelope watt operating status influences a kind of generator sealing bearing bush experimental rig.
The technical scheme is that
A kind of generator sealing bearing bush experimental rig, including test host 1, temperature sensor 2, speed probe 3, vibration biography
Sensor 4, flow sensor 5, leakproof fuel cell 6, electric heater 7, gs-oil separator 8, frequency conversion oil pump 9, valve 10, pressure sensor
11, water cooler 12, mechanical filter 13, magnetic filter 14, buffer oil tank 15, air compressor 16, air accumulator 17, air decompression
Valve 18, air cleaner 19 and air dryer 20；It wherein tests and is provided with ten measured holes on host 1 for installing temperature sensing
Device 2, speed probe 3, vibrating sensor 4, test host 1 are attached by bolt and leakproof fuel cell 6；Leakproof fuel cell 6 is
Pyramid fuel tank, volume 10m3, tank bottoms are square, are bolted in ground base within 4 weeks, on fuel tank
Portion is connect with test host 1, and electric heater 7 is placed in inside leakproof fuel cell 6, and electric heater 7 is high-intensitive stick electrical heating elements,
Preferably eight to 12 groups of quantity；Gs-oil separator 8 is by flanged joint between test host 1 and leakproof fuel cell 6；Frequency conversion oil pump
9 entrances are connected by flange and the outlet of 6 bottom oil circuit of leakproof fuel cell, and the outlet of frequency conversion oil pump 9 is connect by flange with valve 10, valve
10 other ends of door are attached by the oil pipe line entrance of flange and water cooler 12, and pressure sensor 11, temperature sensor 2 pass through
It is threaded on the pipeline among valve 10 and water cooler 12；12 oil pipe way outlet of water cooler passes through flange and mechanical filter
13 connections, valve 10 is separately mounted to the inlet and outlet of 12 water lines of water cooler by flange, for controlling the discharge of cooling water,
And then control the temperature of Seal Oil；Temperature sensor 2 is fixed on the pipeline that water cooler 12 is connect with mechanical filter 13；It is mechanical
The inlet and outlet of filter 13 connects by flange with valve 10, pass through after 10 parallel connection of two mechanical filters 13 and valve flange and
Water cooler 12 and magnetic filter 14 connect；14 entrance of magnetic filter accesses leakproof fuel cell 6 after connecting by pipeline with valve 10
In, pressure sensor 11, which is connected through a screw thread, is separately mounted to 12 front of mechanical filter and the subsequent pipeline of magnetic filter 13
On；15 bottom of buffer oil tank is provided with the inlet and outlet of oil circuit, and top is provided with stomata, and 15 oil circuit import of buffer oil tank passes through method
Orchid connect with the outlet of magnetic filter 14, and outlet is connect by flange with test host 1, and the stomata at top passes through flange and gas storage
Tank 17 connects；Temperature sensor 2, flow sensor 5, pressure sensor 11 are installed on 15 oil pipe way outlet of buffer oil tank and examination
It tests on the pipeline among host 1；With 10 entrance of valve by flanged joint, valve 10 exports successively the outlet of air compressor 16
It is connect with air reducing valve 18, air cleaner 19, air dryer 20,17 entrance of air accumulator, the outlet of air accumulator 17 passes through pipe
Collimation method orchid connect with test host 1；Air accumulator 17 is cylindrical tube, volume 0.3m3, two sides have entering for compressed air
Mouth and outlet, air accumulator 17 guarantee that the compressed air pressure entered in test host 1 is constant for stablizing air pressure；Temperature passes
Sensor 2, pressure sensor 11 are threadedly attached on the pipeline between test host 1 and air accumulator 17, are entered for detecting
To the pressure and temperature of the compressed air in test host 1.
A kind of generator sealing bearing bush test method is realized based on a kind of generator sealing bearing bush experimental rig, packet
Include following steps:
Oil temperature is heated to 35 DEG C by the electric heater 7 being first turned in leakproof fuel cell 6, restarts frequency conversion oil pump 9, is adjusted
Oil pressure is observed the actual pressure that the pressure sensor monitoring in 9 exit of frequency conversion oil pump arrives, is carried out with goal pressure to 0.58Mpa
Comparison；
When pressure stablize after, start air compressor 16, by air reducing valve 18 adjust compressed air pressure to
The pressure of 0.5Mpa, observation 17 exit of air accumulator are stablized after goal pressure, and starting test host makes to test by frequency converter
1 soft start of host is to 3000r/min, and revolving speed deviation cannot be greater than ± 3rpm, as exchanged 6 outlet temperature of oil pump during test
Higher than 50 DEG C, electric heater 7 is closed, opens water cooler 12；
Finally in the process of running, parameters are continued to monitor, is more than regulation limitation if any any parameter, it is necessary to stop at once
Fortune tests host 1, after motor comes to a complete stop, compressed air system power-off, stoppage in transit air cooler, and stoppage in transit frequency conversion oil pump 9 finds out event
After hindering reason, it can be tested again.
The beneficial effects of the present invention are:
The invention can not only simulate the normal operating condition of Turbo-generator Set 3000r/min by testing host, lead to
Cross the high-precision sensor of installation, the parameters of accurate recording sealing bearing bush operation, it can be estimated that different sealing bearing bushes and axis
Influence of the parameters such as gap, sealing oil pressure, flow and temperature to sealing bearing bush operating status, and at the same time sealing bearing bush can be examined
Whether can deform in the process of running, sealing bearing bush can be effectively reduced and formally return the probability to break down after dress.
Detailed description of the invention
Fig. 1 is sealing bearing bush experimental rig flow chart
In figure: 1. test hosts；2. temperature sensor；3. speed probe；4. vibrating sensor；5. flow sensor；
6. leakproof fuel cell；7. electric heater；8. gs-oil separator；9. frequency conversion oil pump；10. valve；11. pressure sensor；12. water cooling
Device；13. mechanical filter；14. magnetic filter；15. buffer oil tank；16. air compressor；17. air accumulator；18. air depressurizes
Valve；19. air cleaner；20. air dryer.
Specific embodiment
The present invention is further introduced with embodiment with reference to the accompanying drawing:
A kind of generator sealing bearing bush experimental rig, including test host 1, temperature sensor 2, speed probe 3, vibration biography
Sensor 4, flow sensor 5, leakproof fuel cell 6, electric heater 7, gs-oil separator 8, frequency conversion oil pump 9, valve 10, pressure sensor
11, water cooler 12, mechanical filter 13, magnetic filter 14, buffer oil tank 15, air compressor 16, air accumulator 17, air decompression
Valve 18, air cleaner 19 and air dryer 20；It wherein tests and is provided with ten measured holes on host 1 for installing temperature sensing
Device 2, speed probe 3, vibrating sensor 4, test host 1 are attached by bolt and leakproof fuel cell 6；Leakproof fuel cell 6 is
Pyramid fuel tank, volume 10m3, tank bottoms are square, are bolted in ground base within 4 weeks, on fuel tank
Portion is connect with test host 1, and electric heater 7 is placed in inside leakproof fuel cell 6, and electric heater 7 is high-intensitive stick electrical heating elements,
Preferably eight to 12 groups of quantity；Gs-oil separator 8 is by flanged joint between test host 1 and leakproof fuel cell 6；Frequency conversion oil pump
9 entrances are connected by flange and the outlet of 6 bottom oil circuit of leakproof fuel cell, and the outlet of frequency conversion oil pump 9 is connect by flange with valve 10, valve
10 other ends of door are attached by the oil pipe line entrance of flange and water cooler 12, and pressure sensor 11, temperature sensor 2 pass through
It is threaded on the pipeline among valve 10 and water cooler 12；12 oil pipe way outlet of water cooler passes through flange and mechanical filter
13 connections, valve 10 is separately mounted to the inlet and outlet of 12 water lines of water cooler by flange, for controlling the discharge of cooling water,
And then control the temperature of Seal Oil；Temperature sensor 2 is fixed on the pipeline that water cooler 12 is connect with mechanical filter 13；It is mechanical
The inlet and outlet of filter 13 connects by flange with valve 10, pass through after 10 parallel connection of two mechanical filters 13 and valve flange and
Water cooler 12 and magnetic filter 14 connect；14 entrance of magnetic filter accesses leakproof fuel cell 6 after connecting by pipeline with valve 10
In, pressure sensor 11, which is connected through a screw thread, is separately mounted to 12 front of mechanical filter and the subsequent pipeline of magnetic filter 13
On；15 bottom of buffer oil tank is provided with the inlet and outlet of oil circuit, and top is provided with stomata, and 15 oil circuit import of buffer oil tank passes through method
Orchid connect with the outlet of magnetic filter 14, and outlet is connect by flange with test host 1, and the stomata at top passes through flange and gas storage
Tank 17 connects；Temperature sensor 2, flow sensor 5, pressure sensor 11 are installed on 15 oil pipe way outlet of buffer oil tank and examination
It tests on the pipeline among host 1；With 10 entrance of valve by flanged joint, valve 10 exports successively the outlet of air compressor 16
It is connect with air reducing valve 18, air cleaner 19, air dryer 20,17 entrance of air accumulator, the outlet of air accumulator 17 passes through pipe
Collimation method orchid connect with test host 1；Air accumulator 17 is cylindrical tube, volume 0.3m3, two sides have entering for compressed air
Mouth and outlet, air accumulator 17 guarantee that the compressed air pressure entered in test host 1 is constant for stablizing air pressure；Temperature passes
Sensor 2, pressure sensor 11 are threadedly attached on the pipeline between test host 1 and air accumulator 17, are entered for detecting
To the pressure and temperature of the compressed air in test host 1.
A kind of generator sealing bearing bush test method is realized based on a kind of generator sealing bearing bush experimental rig, packet
Include following steps:
Oil temperature is heated to 35 DEG C by the electric heater 7 being first turned in leakproof fuel cell 6, restarts frequency conversion oil pump 9, is adjusted
Oil pressure is observed the actual pressure that the pressure sensor monitoring in 9 exit of frequency conversion oil pump arrives, is carried out with goal pressure to 0.58Mpa
Comparison；
When pressure stablize after, start air compressor 16, by air reducing valve 18 adjust compressed air pressure to
The pressure of 0.5Mpa, observation 17 exit of air accumulator are stablized after goal pressure, and starting test host makes to test by frequency converter
1 soft start of host is to 3000r/min, and revolving speed deviation cannot be greater than ± 3rpm, as exchanged 6 outlet temperature of oil pump during test
Higher than 50 DEG C, electric heater 7 is closed, opens water cooler 12；
Finally in the process of running, parameters are continued to monitor, is more than regulation limitation if any any parameter, it is necessary to stop at once
Fortune tests host 1, after motor comes to a complete stop, compressed air system power-off, stoppage in transit air cooler, and stoppage in transit frequency conversion oil pump 9 finds out event
After hindering reason, it can be tested again.
The invention is several by test host, main fuel tank, oil pump, oil cooler, filter, buffer oil tank, air compressor machine, gas storage mechanism
Big component composition.
Wherein test host is bolted on above main fuel tank, and oil pump is located on the right side of main fuel tank, and the entrance of oil pump is logical
Flange to be crossed to connect with fuel tank, fuel pump outlet is attached by flange and oil cooler, and oil cooler outlet is connect with filter inlet,
Filter outlet is connect by flange with buffer oil tank entrance, and buffer oil tank outlet is connect by flange with test host.Pneumatics
Machine outlet connect by flange with gas storage mechanism entrance, and the outlet of gas storage mechanism passes through flange and connect with host is tested.
The test host mainly includes alternating current generator, main shaft, wheel disc, sealing bearing bush seat, temperature sensor, revolving speed biography
Sensor, vibrating sensor etc..Alternating current generator drives main shaft and wheel disc to 3000 turns by half around property coupling band, for simulating steamer
The normal operating condition of generating set, temperature sensor, speed probe, vibrating sensor, flow sensor pass through spiral shell screw thread
It is connected on sealing bearing bush seat, joins for vibration, revolving speed, the sealing bearing bush temperature tested etc. in monitoring test host operational process
Number.
The main fuel tank mainly includes leakproof fuel cell, electric heater, gs-oil separator.Leakproof fuel cell is bolted
In ground base, electric heater is placed in inside leakproof fuel cell, for being heated before opening machine to Seal Oil, gs-oil separator
It is connected between sealing bearing bush seat and leakproof fuel cell by pipe flange, for separating the Seal Oil and sky of sealing bearing bush gas side leakage current
Gas.
The oil pump is frequency conversion oil pump, provides power for the sealing bearing bush experimental rig sealing oil circuit, guarantee enters examination
Test the oil pressure Pass Test requirement in host.
The oil cooler is water cooler.Water cooler oil pipe line entrance is connect with oil pump, and outlet passes through flange and mechanical mistake
Filter connection guarantees sealing oil temperature within the scope of test requirements document for cooling down to during test to sealing oil temperature.Water
Cooler has independent chilled(cooling) water return (CWR) for coolant seal oil.
The filter mainly has mechanical filter, magnetic filter, and mechanical filter inlet and outlet pass through flange and valve
Connection, the entrance after two mechanical filters are in parallel are connected by flange and water cooler outlet, mechanical filter outlet and magnetic mistake
Filter inlet is connected again, and magnetic filter outlet is connect with buffer oil tank.Filter is mainly used for close by test to entering
The Seal Oil of envelope watt is filtered, and guarantees oily Pass Test requirement.
The buffer oil tank is cylindrical tube, and installation site is higher than test host, powered off suddenly for preventing or
Other situations damage sealing bearing bush or other auxiliary equipments in docking process.
The air compressor machine is air compressor, for for compressed air needed for providing sealing bearing bush test.
The gas storage mechanism includes air accumulator, air reducing valve, air cleaner, air dryer.Air accumulator entrance
Between air compressor machine outlet connecting pipe line, it is sequentially installed with air reducing valve, air cleaner, air dryer, guarantees have
The clean air of rated pressure enters in air accumulator, and reservoir outlet is connect with test host, provides for sealing bearing bush test specified
The compressed air of pressure.
As shown in Figure 1, leakproof fuel cell 6 is pyramid fuel tank, volume 10m3, tank bottoms are square, pass through within 4 weeks
Bolt is fixed in ground base, and fuel tank top is connect with test host 1, and electric heater 7 is placed in inside leakproof fuel cell 6, and electricity adds
Hot device 7 is high-intensitive stick electrical heating elements, the preferred 8-12 group of quantity.Gs-oil separator 8 is by flanged joint in test host 1
Between leakproof fuel cell 6.
As shown in Figure 1,9 entrance of frequency conversion oil pump is connected by flange and the outlet of 6 bottom oil circuit of leakproof fuel cell, frequency conversion oil pump 9
Outlet is connect by flange with valve 10, and 10 other end of valve is attached by the oil pipe line entrance of flange and water cooler 12,
Pressure sensor 11, temperature sensor 2 are threadedly attached on the pipeline among valve 10 and water cooler 12.12 oil of water cooler
Tube outlet is connect by flange with mechanical filter 13, valve 10 by flange be separately mounted to 12 water lines of water cooler into
Outlet for controlling the discharge of cooling water, and then controls the temperature of Seal Oil.Temperature sensor 2 is fixed on water cooler 12 and machine
On the pipeline that tool filter 13 connects.
As shown in Figure 1, the inlet and outlet of mechanical filter 13 are connect by flange with valve 10, two mechanical filters 13 and valve
It is connect by flange with water cooler 12 and magnetic filter 14 after 10 parallel connections of door.14 entrance of magnetic filter is connected by pipeline and valve 10
It is accessed in leakproof fuel cell 6 after connecing, pressure sensor 11, which is connected through a screw thread, is separately mounted to 12 front of mechanical filter and magnetic mistake
On the subsequent pipeline of filter 13.
As shown in Figure 1, buffer oil tank 15 is cylindrical tube, volume 1m3, installation site is higher than test host, is used for
Power-off or other situations suddenly are prevented, sealing bearing bush or other auxiliary equipments are damaged in docking process.It opens 15 bottom of buffer oil tank
There is the inlet and outlet of oil circuit, top is provided with stomata, and 15 oil circuit import of buffer oil tank passes through the outlet of flange and magnetic filter 14
Connection, outlet are connect by flange with test host 1, and the stomata at top is connect by flange with air accumulator 17.Temperature sensor
2, flow sensor 5, pressure sensor 11 are installed on 15 oil pipe way outlet of buffer oil tank and test on the pipeline among host 1.
As shown in Figure 1, the outlet of air compressor 16 with 10 entrance of valve by flanged joint, the outlet of valve 10 successively with
Air reducing valve 18, air cleaner 19, air dryer 20, the connection of 17 entrance of air accumulator, the outlet of air accumulator 17 pass through pipeline
Flange is connect with test host 1.Air accumulator 17 is cylindrical tube, volume 0.3m3, two sides have the entrance of compressed air
And outlet, air accumulator 17 guarantee that the compressed air pressure entered in test host 1 is constant for stablizing air pressure.Temperature sensing
Device 2, pressure sensor 11 are threadedly attached on the pipeline between test host 1 and air accumulator 17, are entered for detecting
Test the pressure and temperature of the compressed air in host 1.
Illustrate the working principle of sealing bearing bush experimental rig provided by the present invention below with reference to Fig. 1: being tested to simulate
The true operating status of sealing bearing bush, this experimental rig simulate Turbo-generator Set operation test host, sealing oil system and
Compressed air system.
It tests host 1 and power is provided, the sealing bearing bush tested is made to reach true operating status.Test host 1 is circumferential to be opened
10 measured holes temperature sensor 2, speed probe 3, vibrating sensor 4 are installed, be used for continual measurement experimental period
Between sealing bearing bush temperature, the speed of mainshaft and Vibration Condition.
Sealing oil system is by leakproof fuel cell 6, frequency conversion oil pump 9, water cooler 12, mechanical filter 13, magnetic filter 14, buffering
Fuel tank 15, gs-oil separator 8 collectively constitute.9 outlet pressure of frequency conversion oil pump is adjusted to rated pressure by Frequency Converter Control, such as
Seal Oil is transported in water cooler 12 by 0.58Mpa with constant pressure from leakproof fuel cell 6, and water cooler 12 belongs to surface-type heat exchange
Device cools down Seal Oil by cooling water, and Seal Oil after cooling enters mechanical filter 13 and magnetic filter 14, point
Other filtration machinery impurity and magnetisable material, Seal Oil enters in buffer oil tank 15 later, is entered back by buffer oil tank 15
It tests in host test host 1.Pressure sensor 11, temperature sensor 2, flow sensor 5 are for during continual test
Input pressure, inlet oil temperature, returning-oil temperature, oil inlet flow, return flow.
Compressed air system is used to simulate the operating status of hydrogen in generator hall, the outlet of air compressor 16 successively with sky
Gas pressure reducing valve 18, air cleaner 19, air dryer 20,17 entrance of air accumulator connection, by air reducing valve 18 guarantee into
Enter to the compressed air temperature in air accumulator 17 in rated pressure, such as 0.5Mpa, air cleaner 19 and air dryer 20
For guaranteeing that the cleaning drying of compressed air, the outlet of air accumulator 17 are connected on test host 1, for providing sealing bearing bush test institute
The compressed air needed, temperature sensor 2, pressure sensor 11 are used to continue to monitor the compressed air entered in test host 1
Pressure and temperature.Separately there is a branch to be connected to the stomata at 15 top of buffer oil tank, for guaranteeing in unexpected power-off or other feelings
Under condition, buffer oil tank can provide the Seal Oil of short time in docking process, avoid damage sealing bearing bush or other auxiliary equipments.
Operation and test method of the invention:
Oil temperature is heated to 35 DEG C by the electric heater 7 being first turned in leakproof fuel cell 6, restarts frequency conversion oil pump 9, is adjusted
Oil pressure is observed the actual pressure that the pressure sensor monitoring in 9 exit of frequency conversion oil pump arrives, is carried out with goal pressure to 0.58Mpa
Comparison after pressure is stablized, starts air compressor 16, adjusts compressed air pressure to 0.5Mpa by air reducing valve 18, sees
The pressure for examining 17 exit of air accumulator is stablized after goal pressure, starting test host, and making test by frequency converter, host 1 is soft opens
3000r/min is moved, revolving speed deviation cannot be greater than ± 3rpm, and exchange 6 outlet temperature of oil pump is higher than 50 DEG C during such as test, closes
Electric heater 7 is closed, water cooler 12 is opened.In the process of running, parameters are continued to monitor, are more than regulation limit if any any parameter
System, it is necessary to stop transport test host 1, after motor comes to a complete stop at once, compressed air system power-off, stoppage in transit air cooler is stopped transport and become
Frequency oil pump 9 after finding out failure cause, can be tested again.
Above in conjunction with attached drawing, invention is explained in detail, but the present invention is not limited to examples detailed above, in ability
In the knowledge that the those of ordinary skill in domain has, relevant parameter, changing main-spindle 2, wheel disc 3, not are set by changing
Under the premise of being detached from present inventive concept, the purpose tested different types of sealing bearing bush may be implemented.Description of the invention
In the content that is not described in detail can be used the prior art, such as temperature sensor 2, speed probe 3, vibrating sensor 4,
Flow sensor 5, pressure sensor 11, water cooler 12, air reducing valve 18, air cleaner 19, is air-dried valve 10
The product of the prior art can be used in device 20.
Claims (1)
1. a kind of generator sealing bearing bush experimental rig, it is characterised in that: including testing host (1), temperature sensor (2), revolving speed
Sensor (3), vibrating sensor (4), flow sensor (5), leakproof fuel cell (6), electric heater (7), gs-oil separator (8),
Frequency conversion oil pump (9), pressure sensor (11), water cooler (12), mechanical filter (13), magnetic filter (14), delays valve (10)
It rushes fuel tank (15), air compressor (16), air accumulator (17), air reducing valve (18), air cleaner (19) and is air-dried
Device (20)；It wherein tests and is provided with ten measured holes on host (1) for mounting temperature sensor (2), speed probe (3), vibration
Dynamic sensor (4), test host (1) are attached by bolt and leakproof fuel cell (6)；Leakproof fuel cell (6) is pyramid oil
Case, volume 10m3, tank bottoms are square, are bolted in ground base within tank bottoms 4 weeks, fuel tank top with
Host (1) connection is tested, electric heater (7) is placed in leakproof fuel cell (6) inside, and electric heater (7) is high-intensitive stick electric heating
Element, eight to 12 groups of quantity；Gs-oil separator (8) is by flanged joint between test host (1) and leakproof fuel cell (6)；
Frequency conversion oil pump (9) entrance is connected by flange and the outlet of leakproof fuel cell (6) bottom oil circuit, and frequency conversion oil pump (9) outlet passes through flange
It is connect with valve (10), valve (10) other end is attached by the oil pipe line entrance of flange and water cooler (12), and pressure passes
Sensor (11), temperature sensor (2) are threadedly attached on valve (10) and water cooler (12) intermediate pipeline；Water cooler
(12) oil pipe way outlet is connect by flange with mechanical filter (13), and valve (10) is separately mounted to water cooler by flange
(12) inlet and outlet of water lines for controlling the discharge of cooling water, and then control the temperature of Seal Oil；Temperature sensor (2) is solid
It is scheduled on the pipeline that water cooler (12) is connect with mechanical filter (13)；Mechanical filter (13) inlet and outlet pass through flange and valve
(10) it connects, passes through flange and water cooler (12) and magnetic filter (14) after two mechanical filters (13) and valve (10) parallel connection
Connection；Magnetic filter (14) entrance accesses in leakproof fuel cell (6) after being connect by pipeline with valve (10), pressure sensor (11)
It is connected through a screw thread and is separately mounted to before mechanical filter (13) and on magnetic filter (14) subsequent pipeline；Buffer oil tank
(15) bottom is provided with the inlet and outlet of oil circuit, and top is provided with stomata, and buffer oil tank (15) oil circuit import passes through flange and magnetic mistake
The outlet of filter (14) connects, and outlet is connect by flange with test host (1), and the stomata at top passes through flange and air accumulator
(17) it connects；Temperature sensor (2), flow sensor (5), pressure sensor (11) are installed on buffer oil tank (15) oil pipe line and go out
On the mouth pipeline intermediate with test host (1)；Air compressor (16) outlet passes through flanged joint, valve with valve (10) entrance
(10) outlet successively connects with air reducing valve (18), air cleaner (19), air dryer (20), air accumulator (17) entrance
It connects, air accumulator (17) outlet is connect by underwater flange with test host (1)；Air accumulator (17) is cylindrical tube, volume
0.3m3, two sides have an entrance and exit of compressed air, and air accumulator (17) enters test for stablizing air pressure, guarantee
Compressed air pressure in host (1) is constant；Temperature sensor (2), pressure sensor (11) are threadedly attached in test master
On pipeline between machine (1) and air accumulator (17), for detecting the pressure and temperature of the compressed air entered in test host (1)
Degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721875458.7U CN208999067U (en) | 2017-12-28 | 2017-12-28 | A kind of generator sealing bearing bush experimental rig |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721875458.7U CN208999067U (en) | 2017-12-28 | 2017-12-28 | A kind of generator sealing bearing bush experimental rig |
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| Publication Number | Publication Date |
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| CN208999067U true CN208999067U (en) | 2019-06-18 |
Family
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109990987A (en) * | 2017-12-28 | 2019-07-09 | 江苏核电有限公司 | A kind of generator sealing bearing bush experimental rig and test method |
| CN113624406A (en) * | 2021-08-11 | 2021-11-09 | 河北西柏坡第二发电有限责任公司 | Generator air tightness test device and method for reducing maintenance period of steam turbine set |
-
2017
- 2017-12-28 CN CN201721875458.7U patent/CN208999067U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109990987A (en) * | 2017-12-28 | 2019-07-09 | 江苏核电有限公司 | A kind of generator sealing bearing bush experimental rig and test method |
| CN109990987B (en) * | 2017-12-28 | 2024-04-09 | 江苏核电有限公司 | Generator sealing tile test device and test method |
| CN113624406A (en) * | 2021-08-11 | 2021-11-09 | 河北西柏坡第二发电有限责任公司 | Generator air tightness test device and method for reducing maintenance period of steam turbine set |
| CN113624406B (en) * | 2021-08-11 | 2024-01-12 | 河北西柏坡第二发电有限责任公司 | Generator airtight test device and method for reducing overhaul period of turbine unit |
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