CN106246247B - A kind of thermal power plant's Turbo-generator Set lubricating oil system and its start-up and shut-down control method - Google Patents
A kind of thermal power plant's Turbo-generator Set lubricating oil system and its start-up and shut-down control method Download PDFInfo
- Publication number
- CN106246247B CN106246247B CN201610866847.7A CN201610866847A CN106246247B CN 106246247 B CN106246247 B CN 106246247B CN 201610866847 A CN201610866847 A CN 201610866847A CN 106246247 B CN106246247 B CN 106246247B
- Authority
- CN
- China
- Prior art keywords
- oil
- pump
- jacking
- electrically operated
- operated gate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000010687 lubricating oil Substances 0.000 title claims abstract description 199
- 238000000034 method Methods 0.000 title claims abstract description 43
- 239000003921 oil Substances 0.000 claims abstract description 424
- 239000000779 smoke Substances 0.000 claims abstract description 120
- 230000001050 lubricating effect Effects 0.000 claims abstract description 47
- 239000004519 grease Substances 0.000 claims description 72
- 238000007789 sealing Methods 0.000 claims description 18
- 238000001816 cooling Methods 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 8
- 238000005461 lubrication Methods 0.000 claims description 7
- 230000003111 delayed effect Effects 0.000 claims description 6
- 238000012790 confirmation Methods 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 235000019504 cigarettes Nutrition 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 2
- 235000013399 edible fruits Nutrition 0.000 claims 2
- 238000004590 computer program Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 5
- 230000009970 fire resistant effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000000295 fuel oil Substances 0.000 description 3
- 239000003517 fume Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000010729 system oil Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/18—Lubricating arrangements
- F01D25/20—Lubricating arrangements using lubrication 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
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/34—Turning or inching gear
- F01D25/36—Turning or inching gear using electric motors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Motor Or Generator Frames (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The invention provides a kind of thermal power plant's Turbo-generator Set lubricating oil system and its start-up and shut-down control method, the system includes：Grease-box, first and second AC Lub oil pump, DC lubricating, lubricating oil return filter screen, the first jacking(oil) pump, the second jacking(oil) pump, the first jacking(oil) pump inlet screen, the second jacking(oil) pump inlet screen, the first jacking(oil) pump outlet filter screen, the second jacking(oil) pump outlet filter screen, multiple choke valves, jiggering engagement solenoid, electric lubricating oil heater, electric barring, the first lube oil cooler, the second lube oil cooler, the first smoke exhaust fan and the second smoke exhaust fan.The present invention can realize the automatic start of Turbo-generator Set lubricating oil system under Turbo-generator Set lubricating oil system full cut-off state；Under Turbo-generator Set lubricating oil system running status, being automatically stopped for Turbo-generator Set lubricating oil system is realized；Artificial judgement is taken into account, the leapfrog operation of Turbo-generator Set lubricating oil system programed logic is realized.
Description
Technical field
Lubricated the present invention relates to thermal power plant's steam turbine generator technical field, more particularly to a kind of thermal power plant's Turbo-generator Set
Oil system and its start-up and shut-down control method.
Background technology
The major function of thermal power plant's Turbo-generator Set lubricating oil system is to provide lubricating oil to the whole shafting of generating set,
But existing thermal power plant's Turbo-generator Set lubricating oil system is under full cut-off state at present, it is impossible to realize that Turbo-generator Set is moistened
The automatic start of oil system；Also Turbo-generator Set can not be realized under Turbo-generator Set lubricating oil system running status
Lubricating oil system is automatically stopped；Also, when the startup program of Turbo-generator Set lubricating oil system is carried out to a certain step, if
The step sequence condition is unsatisfactory for, it is impossible to proceed startup program.
The content of the invention
In order to solve the above technical problems, the invention provides a kind of thermal power plant's Turbo-generator Set lubricating oil system and its opening
Stop control method.
One aspect of the present invention provides a kind of thermal power plant's Turbo-generator Set lubricating oil system, thermal power plant's turbine generator
Set lubricating oil system includes：Grease-box, the first AC Lub oil pump, the second AC Lub oil pump, DC lubricating, profit
Lubricating oil oil return filter screen, the first jacking(oil) pump, the second jacking(oil) pump, the first jacking(oil) pump inlet screen, the second jacking(oil) pump entrance
Filter screen, the first jacking(oil) pump outlet filter screen, the second jacking(oil) pump outlet filter screen, multiple choke valves, jiggering engagement solenoid, lubrication
Oily electric heater, electric barring, the first lube oil cooler, the second lube oil cooler, the first smoke exhaust fan and the second smoke evacuation
Blower fan；
The lubricating oil return filter screen is arranged on the oil returning tube between Turbo-generator Set and the grease-box；Institute
State the first AC Lub oil pump, the second AC Lub oil pump and DC lubricating to be arranged in the grease-box, for inciting somebody to action
Lubricating oil in the grease-box is pumped out；The electric lubricating oil heater is used to heat the lubricating oil in grease-box；It is described
First AC Lub oil pump, the second AC Lub oil pump, DC lubricating are moistened after being connected in parallel by pipeline with described first
Oil cooler is connected；In the outlet of first AC Lub oil pump, the second AC Lub oil pump and DC lubricating point
She You not outlet non-return door；
On the one hand lube oil cooler outlet main pipe is connected by each bearing shell of pipeline and steam-electric generating set shafting, separately
On the one hand, lube oil cooler export also be sequentially provided with the pipeline that main pipe is respectively supported watt to steam-electric generating set shafting it is described
First jacking(oil) pump inlet screen, the first jacking(oil) pump, the first jacking(oil) pump outlet filter screen and choke valve；The choke valve difference
It is arranged on high pressure cylinder both sides, intermediate pressure cylinder both sides, low pressure (LP) cylinder both sides and generator both sides in Turbo-generator Set；
The electric barring is connected with the jiggering engagement solenoid, and the electric barring is arranged on Turbo-generator Set
In connecting shaft between rotor and low pressure (LP) cylinder；
Second lube oil cooler is in parallel with first lube oil cooler, in first lube oil cooler
And second lube oil cooler two ends be respectively equipped with entrance electrically operated gate and outlet electrically operated gate；The second jacking(oil) pump entrance filter
Net is connected in parallel with the first jacking(oil) pump inlet screen, in the first jacking(oil) pump inlet screen and the second jacking(oil) pump
The two ends of inlet screen are respectively equipped with entrance electrically operated gate and outlet electrically operated gate；Second jacking(oil) pump and first jacking oil
Parallel connection of pumps is connected, and entrance electrically operated gate is respectively equipped with the two ends of first jacking(oil) pump and the second jacking(oil) pump and is exported electronic
Door；First jacking(oil) pump outlet filter screen is arranged on the output end of first jacking(oil) pump, and second jacking oil is pumped out
Mouth filter screen is arranged on the output end of second jacking(oil) pump；
First smoke exhaust fan and the second smoke exhaust fan are arranged on the top of the grease-box, in the described first smoke evacuation
The entrance of blower fan and the second smoke exhaust fan is respectively equipped with entrance electrically operated gate, in first smoke exhaust fan and the second smoke exhaust fan
Outlet is respectively equipped with outlet non-return door.
In one embodiment, the lubricating oil in the grease-box passes through first AC Lub oil pump and/or second
AC Lub oil pump and/or DC lubricating are by after the lubricating oil adherence pressure in the grease-box, a part of lubricating oil
By the first lube oil cooler and/or the second lube oil cooler cooling after be fed directly to steam-electric generating set shafting each
Bearing shell, another part lubricating oil sequentially passes through institute after the first lube oil cooler and/or the cooling of the second lube oil cooler
State the first jacking(oil) pump inlet screen and/or the second jacking(oil) pump inlet screen, the first jacking(oil) pump and the first jacking oil are pumped out
Mouth filter screen and/or the second jacking(oil) pump and the second jacking(oil) pump outlet filter screen, each choke valve deliver to steam-electric generating set shafting
Each support watt.
In one embodiment, lubricating oil return passes through after the lubricating oil return strainer filtering that is arranged on oil returning tube
Flow into the grease-box.
In one embodiment, the oil smoke that the rotor of Turbo-generator Set is produced with bearing shell friction is communicated to by oil returning tube
The Lubricating oil tank, is extracted out by first smoke exhaust fan and/or the second smoke exhaust fan.
In one embodiment, thermal power plant's Turbo-generator Set lubricating oil system also includes：Turbo-generator Set lubricates
Oil system programed logic operation button, grease pump block push button, smoke exhaust fan block push button, jacking(oil) pump interlocking are pressed
Button, manual confirmation sealing oil system have been turned on button and manual confirmation sealing oil system stop button.
Another aspect of the present invention additionally provides a kind of thermal power plant's Turbo-generator Set lubricating oil system start-up and shut-down control method, institute
Stating thermal power plant's Turbo-generator Set lubricating oil system start-up and shut-down control method includes：
Judge whether that the entrance electrically operated gate and outlet electrically operated gate, second lube oil cooler of the first lube oil cooler enter
Mouth electrically operated gate and outlet electrically operated gate have been opened, and entrance electrically operated gate and outlet electrically operated gate, second of the first jacking(oil) pump inlet screen
The entrance electrically operated gate and outlet electrically operated gate of jacking(oil) pump inlet screen have been opened, and the entrance electrically operated gate of the first jacking(oil) pump and outlet
Electrically operated gate, the entrance electrically operated gate of the second jacking(oil) pump and outlet electrically operated gate have been opened；And first smoke exhaust fan entrance electrically operated gate and
The entrance electrically operated gate of second smoke exhaust fan has been closed；If not, sending the entrance electrically operated gate for opening the first lube oil cooler and going out
Mouth electrically operated gate, the entrance electrically operated gate of the second lube oil cooler and the instruction for exporting electrically operated gate, and the first jacking oil of unlatching are pumped into
The entrance electrically operated gate of mouth filter screen and outlet electrically operated gate, the entrance electrically operated gate of the second jacking(oil) pump inlet screen and outlet electrically operated gate
Instruction, and open the entrance electrically operated gate and outlet electrically operated gate, the entrance electrically operated gate of the second jacking(oil) pump of the first jacking(oil) pump and go out
The instruction of mouth electrically operated gate；And close the finger of the entrance electrically operated gate of the first smoke exhaust fan and the entrance electrically operated gate of the second smoke exhaust fan
Order；
If it is, judging whether the first AC Lub oil pump has been turned on；If first AC Lub oil pump is not actuated,
Send the instruction for starting the first AC Lub oil pump；
If first AC Lub oil pump has been turned on, judge whether the oil temperature in grease-box is more than the first default temperature
Degree；If the oil temperature in the grease-box is less than the first preset temperature, the instruction for starting electric lubricating oil heater is sent；
If the oil temperature in the grease-box is more than the preset temperature, judging the pressure of grease pump outlet main pipe is
It is no to be more than the first preset pressure value；
If the pressure of grease pump outlet main pipe is more than first preset pressure value, judge whether to have put into lubricating oil
Pump is interlocked, and electric lubricating oil heater has been stopped；If grease pump interlocking is not put into, and/or lubricating oil electricity adds
Hot device is not stopped, send input grease pump interlocking instruction, and electric lubricating oil heater out of service instruction；
If having put into grease pump interlocking and electric lubricating oil heater being stopped, judge whether that the first exchange lubricates
Oil pump is out of service, and the second AC Lub oil pump and DC lubricating have been turned on, and grease pump outlet main-piping pressure
More than the second preset pressure value；If the first AC Lub oil pump is not out of service, and/or the second AC Lub oil pump and direct current
Grease pump is not actuated, and/or grease pump outlet main-piping pressure is less than the second preset pressure value, sends out of service first and hands over
Flow the instruction of grease pump；
If the first AC Lub oil pump is out of service, and the second AC Lub oil pump and DC lubricating have been opened
It is dynamic, and grease pump outlet main-piping pressure is more than second preset pressure value, judges whether that the second AC Lub oil pump has stopped
Only run, and grease pump outlet main-piping pressure is more than the 3rd preset pressure value；If the second AC Lub oil pump does not stop fortune
OK, and/or grease pump outlet main-piping pressure be less than the 3rd preset pressure value, send it is out of service second exchange lubricating oil
The instruction of pump；
If the second AC Lub oil pump is out of service and grease pump outlet main-piping pressure is more than the described 3rd and preset
Pressure value, judges whether DC lubricating is out of service；If the DC lubricating is not out of service, stopping is sent
Run the instruction of DC lubricating；
If the DC lubricating is out of service, judge whether the first AC Lub oil pump has been turned on；If institute
State that the first AC Lub oil pump is not actuated, send the instruction for starting the first AC Lub oil pump；
If first AC Lub oil pump has been turned on, judge whether grease pump outlet main-piping pressure is more than described the
One preset pressure value；
If grease pump outlet main-piping pressure is more than first preset pressure value, judge whether to have put into grease pump
Interlocking；If not putting into grease pump interlocking, the instruction of input grease pump interlocking is sent；
If having put into grease pump interlocking, judge whether the entrance electrically operated gate and the second smoke exhaust fan of the first smoke exhaust fan
Entrance electrically operated gate be turned off；If the entrance electrically operated gate of first smoke exhaust fan is not turned off and/or the second smoke exhaust fan
Entrance electrically operated gate be not turned off, send close first discharge fume fans entrance electrically operated gate and second smoke evacuation fans entrance electrically operated gate finger
Order；
If the entrance electrically operated gate of the first smoke exhaust fan and the entrance electrically operated gate of the second smoke exhaust fan are turned off, is judged
Whether one smoke exhaust fan has been turned on；If the first smoke exhaust fan is not actuated, the instruction for starting the first smoke exhaust fan is sent；
If the first smoke exhaust fan has been turned on, judge whether the first smoke evacuation fans entrance electrically operated gate has turned on；If first
Smoke exhaust fan entrance electrically operated gate is not opened, sends the instruction for opening the first smoke evacuation fans entrance electrically operated gate；
If the first smoke evacuation fans entrance electrically operated gate has turned on, judge whether to have put into smoke exhaust fan interlocking；If do not thrown
Enter smoke exhaust fan interlocking, send the instruction of input smoke exhaust fan interlocking；
If having put into smoke exhaust fan interlocking, judge whether jacking(oil) pump entrance main-piping pressure is more than the described 3rd default pressure
Force value；
If jacking(oil) pump entrance main-piping pressure is more than the 3rd preset pressure value, judge the first jacking(oil) pump whether
Start；If the not actuated operation of the first jacking(oil) pump, the instruction for starting the first jacking(oil) pump is sent；
If the first jacking(oil) pump has been turned on operation, judge whether that jacking(oil) pump outlet main-piping pressure is more than the 4th default pressure
Force value, and the pressure being arranged at after high pressure cylinder both sides, intermediate pressure cylinder both sides, low pressure (LP) cylinder both sides, the choke valve of generator both sides is big
In the 5th preset pressure value；
If shafting oil pump discharge main-piping pressure is more than the 4th preset pressure value, and is arranged at high pressure cylinder both sides, intermediate pressure cylinder two
Pressure after side, low pressure (LP) cylinder both sides, the choke valve of generator both sides is all higher than the 5th preset pressure value, judges whether to have put into top
Shafting oil pump is interlocked；If not putting into jacking(oil) pump interlocking, the instruction of input jacking(oil) pump interlocking is sent；
If having put into jacking(oil) pump interlocking, judge whether generator sealing oil system has been turned on；
If generator sealing oil system has been turned on, judge whether electric barring has been turned on and be delayed to reach predetermined delay；
If electric barring is not actuated and/or delay is not up to the predetermined delay, the instruction for starting electric barring is sent；
If electric barring has been turned on and be delayed to reach the predetermined delay, jiggering engagement solenoid whether band is judged
Electricity；If jiggering engagement solenoid is not powered, the instruction of jiggering engagement solenoid energization is emitted to；
If jiggering engagement solenoid is powered, judges whether to receive engagement signal and reach the predetermined delay；If
The engagement signal and/or not up to predetermined delay are not received, are emitted to the instruction of jiggering engagement solenoid power-off；
If receiving engagement signal and reaching the predetermined delay, judge whether the rotating speed of Turbo-generator Set is more than and make a reservation for
Rotating speed.
In one embodiment, thermal power plant's Turbo-generator Set lubricating oil system start-up and shut-down control method also includes：
Judge whether electric barring has stopped, if the electric barring does not stop, send the instruction for stopping electric barring；
If electric barring has stopped, judging whether to have dropped out jacking(oil) pump interlocking；If jacking(oil) pump interlocking is not exited,
Send the instruction for exiting jacking(oil) pump interlocking；
If jacking(oil) pump interlocking has dropped out, judge whether that the first jacking(oil) pump and the second jacking(oil) pump have stopped fortune
OK；If the first jacking(oil) pump is not out of service and/or the second jacking(oil) pump is not out of service, the first apical axis out of service is sent
The instruction of oil pump and the second jacking(oil) pump；
If the first jacking(oil) pump and the second jacking(oil) pump are out of service, judge whether to have dropped out grease pump connection
Lock；If grease pump interlocking is not exited, the instruction for exiting grease pump interlocking is sent；
If grease pump interlocking has dropped out, judge whether the first AC Lub oil pump, the second AC Lub oil pump and straight
Flow grease pump out of service；If the first AC Lub oil pump is not out of service, and/or the second AC Lub oil pump is not
It is out of service, and/or DC lubricating is out of service, sends the first AC Lub oil pump out of service, the second exchange profit
The instruction of oil pump and DC lubricating.
In one embodiment, thermal power plant's Turbo-generator Set lubricating oil system start-up and shut-down control method also includes：
Judge whether the oil level in grease-box is more than default oil level；
If the oil level in grease-box is more than the default oil level, judge whether the entrance electricity of the first lube oil cooler
Dynamic door and outlet electrically operated gate, the entrance electrically operated gate of the second lube oil cooler and outlet electrically operated gate have been opened, and the first jacking(oil) pump
Entrance electrically operated gate and outlet electrically operated gate, the entrance electrically operated gate of the second jacking(oil) pump inlet screen and outlet electrically operated gate of inlet screen
It has been opened that, and entrance electrically operated gate and outlet electrically operated gate, the entrance electrically operated gate of the second jacking(oil) pump and outlet electricity of the first jacking(oil) pump
Dynamic door has been opened；And first smoke exhaust fan entrance electrically operated gate and the entrance electrically operated gate of the second smoke exhaust fan closed.
In one embodiment, thermal power plant's Turbo-generator Set lubricating oil system start-up and shut-down control method also includes：
Judge whether that generator sealing oil system is out of service, and steam turbine high-pressure cylinder first order inner wall temperature is less than the
Two preset temperatures；
If generator sealing oil system is out of service, and steam turbine high-pressure cylinder first order inner wall temperature is less than described pre-
If temperature, judge whether electric barring has stopped.
In one embodiment, first preset temperature is 20 DEG C, and first preset pressure value is 0.12MPa, described
Second preset pressure value is 0.2MPa, and the 3rd preset pressure value is 0.1MPa, and the 4th preset pressure value is 7MPa, institute
The 5th preset pressure value is stated for 3.5MPa, the predetermined delay is 3s, the desired speed is 2rpm.
In one embodiment, the default oil level is 2000mm.
In one embodiment, second preset temperature is 120 DEG C.
The beneficial effects of the present invention are：Thermal power plant's Turbo-generator Set lubricating oil system provided in an embodiment of the present invention and
Its start-up and shut-down control method can realize that Turbo-generator Set is moistened under thermal power plant's Turbo-generator Set lubricating oil system full cut-off state
The automatic start of oil system；Under Turbo-generator Set lubricating oil system running status, Turbo-generator Set lubricating oil is realized
System is automatically stopped；And take into account artificial judgement, it is possible to achieve Turbo-generator Set lubricating oil system programed logic
Leapfrog is run, and when the service condition of a certain step of programed logic causes step sequence not carry out for satisfaction, can artificially be sentenced
Whether broken strip part can be ignored and operate leapfrog to act, and continue the operation of programed logic and finished until starting.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of thermal power plant of embodiment of the present invention Turbo-generator Set lubricating oil system；
Fig. 2A~Fig. 2 C are the stream of thermal power plant of embodiment of the present invention Turbo-generator Set lubricating oil system start-up and shut-down control method
Cheng Tu；
Fig. 3 is the flow chart of thermal power plant of embodiment of the present invention Turbo-generator Set lubricating oil system start-up and shut-down control method.
Drawing reference numeral：
1. the AC Lub oil pump outlet non-return door of the first AC Lub oil pump outlet non-return door 2. second
3. DC lubricating outlet non-return 4. first lube oil cooler entrance electrically operated gates of door
5. the first lube oil cooler exports the lube oil cooler entrance electrically operated gate of electrically operated gate 6. second
7. the second lube oil cooler exports the jacking(oil) pump inlet screen entrance electrically operated gate of electrically operated gate 8. first
9. the first jacking(oil) pump inlet screen exports the jacking(oil) pump inlet screen entrance electrically operated gate of electrically operated gate 10. second
11. the second jacking(oil) pump inlet screen exports the jacking(oil) pump entrance electrically operated gate of electrically operated gate 12. first
13. the first jacking(oil) pump exports the jacking(oil) pump entrance electrically operated gate of electrically operated gate 14. second
15. the second jacking(oil) pump exports the choke valve of electrically operated gate 16.
17. the choke valve of choke valve 18.
19. the choke valve of choke valve 20.
21. the choke valve of choke valve 22.
23. the choke valve of choke valve 24.
25. the jiggering engagement solenoid of choke valve 26.
27. the AC Lub oil pump of the first AC Lub oil pump 28. second
29. the jacking(oil) pump of DC lubricating 30. first
31. the electric lubricating oil heater of the second jacking(oil) pump 32.
33. the smoke exhaust fan of the second smoke exhaust fan 34. first
The fans entrance electrically operated gate 35. the first smoke evacuation fans entrance electrically operated gate 36. second is discharged fume
The fan outlet non-return flap 37. the first smoke evacuation fan outlet non-return flap 38. second is discharged fume
39. the lube oil cooler of the second lube oil cooler 40. first
41. the jacking(oil) pump inlet screen of the first jacking(oil) pump inlet screen 42. second
43. the first jacking(oil) pump outlet jacking(oil) pump of filter screen 44. second outlet filter screen
45. the electric barring of lubricating oil return filter screen 46.
47. grease-box
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
As shown in figure 1, the embodiments of the invention provide a kind of thermal power plant's Turbo-generator Set lubricating oil system, the system bag
Contain：Grease-box 47, the first AC Lub oil pump 27, the second AC Lub oil pump 28, DC lubricating 29, lubricating oil return
Filter screen 45, the first jacking(oil) pump 30, the second jacking(oil) pump 31, the first jacking(oil) pump inlet screen 41, the second jacking(oil) pump entrance
Filter screen 42, the first jacking(oil) pump outlet filter screen 43, the second jacking(oil) pump outlet filter screen 44, jiggering engagement solenoid 26, lubricating oil
Electric heater 32, electric barring 46, the first lube oil cooler 40, the second lube oil cooler 39, the first smoke exhaust fan 34,
Two smoke exhaust fans 33 and multiple choke valves (as shown in label 16 to label 25).
Lubricating oil return filter screen 45 is arranged on the shafting of Turbo-generator Set to the oil returning tube between grease-box 47,
First AC Lub oil pump 27, the second AC Lub oil pump 28 and DC lubricating 29 are arranged on the inside of grease-box 47,
For the lubricating oil in grease-box 47 to be pumped out.Electric lubricating oil heater 32 is used to heat the lubricating oil in grease-box 47.
First AC Lub oil pump 27, the second AC Lub oil pump 28, DC lubricating 29 be connected in parallel after by pipeline and first
Lube oil cooler 40 is connected.In the first AC Lub oil pump 27, the second AC Lub oil pump 28 and DC lubricating 29
Outlet is respectively equipped with outlet non-return door 1, outlet non-return door 2 and outlet non-return door 3.
On the one hand lube oil cooler outlet main pipe is connected by each bearing shell of pipeline and steam-electric generating set shafting, separately
On the one hand, exported in lube oil cooler and be also sequentially provided with first on the pipeline that main pipe is respectively supported watt to steam-electric generating set shafting
Jacking(oil) pump inlet screen 41, the first jacking(oil) pump 30, the first jacking(oil) pump outlet filter screen 43 and multiple choke valves.Multiple throttlings
Valve 16~25 is distributed high pressure cylinder both sides, intermediate pressure cylinder both sides, low pressure (LP) cylinder both sides and the generator two being arranged in Turbo-generator Set
Side.
Electric barring 46 is connected with jiggering engagement solenoid 26, electric barring 46 be arranged on the rotor of Turbo-generator Set with
In connecting shaft between low pressure (LP) cylinder.
Second lube oil cooler 39 is in parallel with the first lube oil cooler 40, at the two ends of the first lube oil cooler 40
Entrance electrically operated gate 4 and outlet electrically operated gate 5 are respectively equipped with, entrance electrically operated gate is respectively equipped with the two ends of the second lube oil cooler 39
6 and outlet electrically operated gate 7.Second jacking(oil) pump inlet screen 42 is connected in parallel with the first jacking(oil) pump inlet screen 41, first
The two ends of jacking(oil) pump inlet screen 41 are respectively equipped with entrance electrically operated gate 8 and outlet electrically operated gate 9, in the filter of the second jacking(oil) pump entrance
The two ends of net 42 are respectively equipped with entrance electrically operated gate 10 and outlet electrically operated gate 11.Second jacking(oil) pump 31 and first jacking(oil) pump
30 are connected in parallel, and entrance electrically operated gate 12 and outlet electrically operated gate 13 are respectively equipped with the two ends of the first jacking(oil) pump 30, on the second top
The two ends of shafting oil pump 31 are respectively equipped with entrance electrically operated gate 14 and outlet electrically operated gate 15.First jacking(oil) pump outlet filter screen 43 is arranged on
The output end of first jacking(oil) pump 30, the second jacking(oil) pump outlet filter screen 44 is arranged on the output end of the second jacking(oil) pump 31.
First smoke exhaust fan 34 and the second smoke exhaust fan 33 are arranged on the top of grease-box 47, and the two generally sets side by side
Put.Entrance electrically operated gate 35 and entrance electrically operated gate 36 are respectively equipped with the entrance of the first smoke exhaust fan 34 and the second smoke exhaust fan 33,
Outlet non-return door 37 and outlet non-return door 38 are respectively equipped with the outlet for stating the first smoke exhaust fan 34 and the second smoke exhaust fan 33.
As shown in figure 1, it is necessary that other are additionally provided with thermal power plant of embodiment of the present invention Turbo-generator Set lubricating oil system
Pipeline, valve and related thermal technology's measuring point etc..
Thermal power plant's Turbo-generator Set lubricating oil system provided in an embodiment of the present invention has three zones：One is sent out to steamer
The whole shafting of group of motors (including support watt and thrust bearing shoe valve) provides convenient pressure and the lubricating oil of temperature, and lubricating oil is played to bearing shell
Lubrication and the effect of cooling；Two be to provide high pressure jacking oil to the whole shafting of Turbo-generator Set, and overall shafting jack-up is certain
Highly, reduce resistance and form oil film, facilitate Turbo-generator Set jiggering to run and prevent to grind under the Turbo-generator Set slow-speed of revolution
Watt；Three be to start electric barring equipment, and engagement Turbo-generator Set drives it to be rotated with the slow-speed of revolution, prevents upper and lower temperature difference of the cylinder mistake
It is big to occur cambered axle accident.Grease-box 47 as lubricating oil system oil tank, while for recovery system high heat oil return
It is also provided to system cooling oil sources.When system is normally run, lubricated in the lifting grease-box 47 of AC Lub oil pump 27 or 28
The pressure of oil, after lube oil cooler 39 or 40 is cooled to suitable temperature, delivers to each of the whole shafting of Turbo-generator Set
Individual bearing shell.DC lubricating 29 as AC Lub oil pump standby oil sources, can under AC Lub oil pump accident condition,
Lubricating oil is conveyed to shafting.Outside lubricating oil fuel feeding removing shafting directly lubricates, some is filtered by jacking(oil) pump entrance
Net, high pressure is promoted to by jacking(oil) pump 30 or 31, then after jacking(oil) pump outlet strainer filtering impurity, through adjustable throttling section
Each support watt is delivered to after stream decompression, by shafting jack-up certain altitude.Electric barring is run in lubricating oil, jacking oil and Seal Oil
Start after normal, driven by motor, engage Turbo-generator Set rotating shaft, drive it to be run without interruption with the slow-speed of revolution, prevent big axle
Bending and elimination stress.When Turbo-generator Set is normally run, friction generates heat forms oil smoke for rotor and bearing shell, by returning
Oil pipe is communicated to grease-box 47, is extracted out by smoke exhaust fan.Electric heater 32 is set in grease-box 47, under cryogenic may be used
, to desired operating temperatures, on condition that first starting AC Lub oil pump by lubrication oil circulation, prevented with heating oil temperature in grease-box 47
Only lubricating oil hot-spot under inactive state.
In one embodiment, the lubricating oil in grease-box 47 is by the first AC Lub oil pump 27 (or the second exchange profit
Oil pump 28, or DC lubricating 29) by after the lubricating oil adherence pressure in grease-box 47, a part of lubricating oil passes through
Each axle of steam-electric generating set shafting is fed directly to after the cooling of one lube oil cooler 40 (or second lube oil cooler 39)
Watt, another part lubricating oil is sequentially passed through after the cooling of the first lube oil cooler 40 (or second lube oil cooler 39)
First jacking(oil) pump inlet screen 41 (or second jacking(oil) pump inlet screen 42), the first jacking(oil) pump 30 and the first jacking(oil) pump
Export filter screen 43 (or the second jacking(oil) pump 31 and the second jacking(oil) pump outlet filter screen 44), each choke valve (choke valve 16~section
Stream valve 25) deliver to steam-electric generating set shafting each support watt.First AC Lub oil pump 27 and the second AC Lub oil pump
28 is generally standby each other, but under certain condition, can come into operation simultaneously, and DC lubricating 29 is generally in grease pump
Outlet main-piping pressure comes into operation when being less than warning value.Similarly, the first lube oil cooler 40 and the second lube oil cooler 39
Can be standby each other, it can also come into operation simultaneously；First jacking(oil) pump inlet screen 41 and the second jacking(oil) pump inlet screen
42 can be standby each other, can also come into operation simultaneously；First jacking(oil) pump 30 can also be standby each other with the second jacking(oil) pump 31
With can also come into operation simultaneously.
Usually, the lubricating oil return of steam-electric generating set shafting is filtered by the lubricating oil return being arranged on oil returning tube
Net 45 flows into grease-box 47 after filtering.The rotor of Turbo-generator Set rubs the oil smoke produced also by oil returning tube with bearing shell
Lubricating oil tank 47 is communicated to, is extracted out by the first smoke exhaust fan 34 (or second smoke exhaust fan 33).
Above-mentioned thermal power plant's Turbo-generator Set lubricating oil system also includes：Turbo-generator Set lubricating oil system program control
Logical operation button A1 processed, grease pump block push button A2, smoke exhaust fan block push button A3, jacking(oil) pump block push button A4, people
Work confirms that sealing oil system has been turned on button A5 manual confirmations sealing oil system stop button A6.
, can be automatically by the first AC Lub oil pump 27, the second AC Lub oil pump using grease pump block push button A2
28 and the used device of DC lubricating 29 interlocking, when interlock input after, if the first AC Lub oil pump 27 trips or failure,
Second AC Lub oil pump 28 can interlocked startup rapidly, maintain the normal operation of system.If AC Lub oil pump trip or
Failure, or grease pump outlet main-piping pressure are less than warning value, then DC lubricating 29 starts rapidly, it is ensured that turbine generator
The supply of lubricating oil needed for shaft system of unit.
Using smoke exhaust fan block push button A3, the first smoke exhaust fan 34 can be set with the second smoke exhaust fan 33 input automatically
Standby interlocking.After input is interlocked, if wherein one unit trip or failure, another equipment can start rapidly, system is maintained
The normal operation of system.Similarly, can be automatically by the first jacking(oil) pump 30 and the second jacking oil using jacking(oil) pump block push button A4
The used device of pump 31 is interlocked, and when wherein one equipment fault or tripping operation, another equipment can start rapidly.
The embodiment of the present invention additionally provides a kind of start-up and shut-down control method of thermal power plant's Turbo-generator Set lubricating oil system, should
The executive agent of start-up and shut-down control method can be computer system or DCS system etc..As shown in Fig. 2A~Fig. 2 C, the start-up and shut-down control
Method includes：
Step S101, judge whether the 1. entrance electrically operated gate 4 of the first lube oil cooler 40 and outlet electrically operated gate 5, second
The entrance electrically operated gate 6 of lube oil cooler 39 and outlet electrically operated gate 7 have been opened, 2. and the first jacking(oil) pump inlet screen 41 entrance
Electrically operated gate 8 and outlet electrically operated gate 9, the entrance electrically operated gate 10 of the second jacking(oil) pump inlet screen 42 and outlet electrically operated gate 11 have been opened,
3. and the first jacking(oil) pump 30 entrance electrically operated gate 12 and outlet electrically operated gate 13, the and of entrance electrically operated gate 14 of the second jacking(oil) pump 31
Outlet electrically operated gate 15 has been opened；4. and the smoke exhaust fan 33 of entrance electrically operated gate 35 and second of the first smoke exhaust fan 34 entrance electrically operated gate
36 have closed.If thering is any one condition to be unsatisfactory in above-mentioned 4 conditions, or there are multiple conditions to be unsatisfactory for, then carry out step
S102, sends the entrance electrically operated gate 4 for opening the first lube oil cooler 40 and outlet electrically operated gate 5, the second lube oil cooler 41
Entrance electrically operated gate 6 and outlet electrically operated gate 7 instruction, and open the first jacking(oil) pump inlet screen 41 the He of entrance electrically operated gate 8
Electrically operated gate 9, the entrance electrically operated gate 10 of the second jacking(oil) pump inlet screen 42 and the instruction for exporting electrically operated gate 11 are exported, and opens the
Entrance electrically operated gate 12 and outlet electrically operated gate 13, the entrance electrically operated gate 14 of the second jacking(oil) pump 31 and outlet electricity of one jacking(oil) pump 30
The instruction of dynamic door 15；And close the entrance electrically operated gate 36 of the smoke exhaust fan 33 of entrance electrically operated gate 35 and second of the first smoke exhaust fan 34
Instruction.If the electrically operated gate of the unlatching is originally opened in step S101, it can ignore and be received in step S102
Open command；What if the electrically operated gate that should be closed in step S101 had originally been closed, it could ignore in step S102
The out code received, similarly hereinafter.If above-mentioned 4 conditions are all met, step S103 is carried out.
Step S103, judge whether the first AC Lub oil pump 27 has been turned on.If the first AC Lub oil pump 27 is not opened
It is dynamic, send the instruction (step S104) for starting the first AC Lub oil pump 27.If the first AC Lub oil pump 27 has been turned on, enter
Row step S105.
Whether step S105, the oil temperature judged in grease-box 47 are more than the first preset temperature.If in grease-box 47
Oil temperature be less than the first preset temperature, send start electric lubricating oil heater instruction (step S106).If grease-box 47
Interior oil temperature is more than above-mentioned preset temperature, carries out step S107.
Normally, above-mentioned first preset temperature takes 20 DEG C.
Step S107, judge grease pump outlet main pipe pressure whether be more than the first preset pressure value.If lubricating oil
The pressure of pump discharge main pipe is more than the first preset pressure value, carries out step S108.
In one embodiment, the first preset pressure value is 0.12MPa.
Step S108, judge whether to have put into grease pump interlocking, and electric lubricating oil heater 32 has been stopped.If
Grease pump interlocking is not put into or electric lubricating oil heater 32 is not stopped, or grease pump interlocking is not put into and lubricating oil
Electric heater 32 is not stopped, then sends instruction and the electric lubricating oil heater out of service 32 of input grease pump interlocking
Instruct (step S109).If having put into grease pump interlocking and electric lubricating oil heater 32 being stopped, step is carried out
S110。
2. and the second AC Lub oil pump step S110, judge whether that 1. the first AC Lub oil pump 27 is out of service,
28 and DC lubricating 29 have been turned on, 3. and grease pump outlet main-piping pressure be more than the second preset pressure value.If above-mentioned 3
There is any one condition to be unsatisfactory in individual condition, or two conditions are unsatisfactory for, or even three conditions are all unsatisfactory for, then send and stop
Only run the instruction (step S111) of the first AC Lub oil pump 27.If the first AC Lub oil pump 27 is out of service, and
Second AC Lub oil pump 28 and DC lubricating 29 have been turned on, and grease pump outlet main-piping pressure is pre- more than above-mentioned second
If pressure value, step S112 is carried out.
In one embodiment, the second preset pressure value 0.2MPa.
Step S112, judge whether that the second AC Lub oil pump 28 is out of service, and grease pump outlet main-piping pressure
More than the 3rd preset pressure value.If the second AC Lub oil pump 28 is not out of service, and/or grease pump outlet main-piping pressure
Less than above-mentioned 3rd preset pressure value, then the instruction (step S113) of the second AC Lub oil pump 28 out of service is sent.If
Second AC Lub oil pump 28 is out of service and grease pump outlet main-piping pressure is more than the 3rd preset pressure value, carries out step
S114。
In one embodiment, the 3rd preset pressure value is 0.1MPa.
Step S114, judge whether DC lubricating 29 is out of service.If DC lubricating 29 does not stop fortune
OK, the instruction (step S115) of DC lubricating 29 out of service is sent.If DC lubricating 29 is out of service, enter
Row step S116.
Step S116, judge whether the first AC Lub oil pump 27 has been turned on.If the first AC Lub oil pump 27 is not opened
It is dynamic, send the instruction (step S117) for starting the first AC Lub oil pump 27.If the first AC Lub oil pump 27 has been turned on, enter
Row step S118.
Step S118, judge whether grease pump outlet main-piping pressure is more than the first preset pressure value, that is, judge whether big
In 0.12MPa.If grease pump outlet main-piping pressure is more than 0.12MPa, step S119 is carried out.
Step S119, judge whether to have put into grease pump interlocking.If not putting into grease pump interlocking, input profit is sent
The instruction (step S120) of oil pump interlocking.If having put into grease pump interlocking, step S121 is carried out.
Step S121, judge whether the first smoke exhaust fan 34 the smoke exhaust fan 33 of entrance electrically operated gate 35 and second entrance electricity
Dynamic door 36 is turned off.If the entrance electrically operated gate 36 of the smoke exhaust fan 33 of entrance electrically operated gate 35 and second of the first smoke exhaust fan 34
There is one to be not turned off, or two entrances electrically operated gate is all not turned off, then sends the smoke evacuation fans entrance of closing first electrically operated gate 35
And second smoke evacuation fans entrance electrically operated gate 36 instruction (step S122).If the entrance electrically operated gate 35 of the first smoke exhaust fan 34 and
The entrance electrically operated gate 36 of second smoke exhaust fan 33 is turned off, and carries out step S123.
Step S123, judge whether the first smoke exhaust fan 34 has been turned on.If the first smoke exhaust fan 34 is not actuated, sends and open
The instruction (step S124) of dynamic first smoke exhaust fan 34.If the first smoke exhaust fan 34 has been turned on, step S125 is carried out.
Step S125, judge whether the first smoke evacuation fans entrance electrically operated gate 35 has turned on.If the first smoke evacuation fans entrance
Electrically operated gate 35 is not opened, sends the instruction (step S126) for opening the first smoke evacuation fans entrance electrically operated gate 35.If the first smoke evacuation
Fans entrance electrically operated gate 35 has turned on, and carries out step S127.
Step S127, judge whether to have put into smoke exhaust fan interlocking.If not putting into smoke exhaust fan interlocking, input row is sent
The instruction (step S128) of cigarette interlock of fan.If having put into smoke exhaust fan interlocking, step S129 is carried out.
Step S129, judge jacking(oil) pump entrance main-piping pressure whether be more than the 3rd preset pressure value, that is, judge jacking oil
Whether pump intake main-piping pressure is more than 0.1MPa.If jacking(oil) pump entrance main-piping pressure is more than 0.1MPa, step 130 is carried out.
Step S130, judge whether the first jacking(oil) pump 30 has been turned on.If the not actuated operation of the first jacking(oil) pump 30, hair
Go out to start the instruction (step S131) of the first jacking(oil) pump 30.If the first jacking(oil) pump 30 has been turned on operation, step is carried out
S132。
Step S132, judge whether that jacking(oil) pump outlet main-piping pressure is more than the 4th preset pressure value, and be arranged at high pressure
Pressure after cylinder both sides, intermediate pressure cylinder both sides, low pressure (LP) cylinder both sides, the choke valve of generator both sides is all higher than the 5th preset pressure value.
If shafting oil pump discharge main-piping pressure is more than the 4th preset pressure value, and is arranged at high pressure cylinder both sides, intermediate pressure cylinder both sides, low pressure (LP) cylinder
Pressure after both sides, the choke valve of generator both sides is all higher than the 5th preset pressure value, carries out step S133.
In one embodiment, the 4th above-mentioned preset pressure value generally takes 7MPa, and the 5th preset pressure value generally takes
3.5MPa。
Step S133, judge whether to have put into jacking(oil) pump interlocking.If not putting into jacking(oil) pump interlocking, input top is sent
The instruction (step S134) of shafting oil pump interlocking.If having put into jacking(oil) pump interlocking, step S135 is carried out.
Step S135, judge whether generator sealing oil system has been turned on.If generator sealing oil system has been turned on, enter
Row step S136.
Step S136, judge whether electric barring 46 has been turned on and be delayed to reach predetermined delay.If electric barring 46 is not
Although starting or it having been turned on but not up to above-mentioned predetermined delay, then instruction (the step for starting electric barring 46 is sent
S137).If electric barring 46 has been turned on and be delayed to reach predetermined delay, step S138 is carried out.
In one embodiment, above-mentioned default delay generally takes 3s.
Step S138, judge whether jiggering engagement solenoid 26 is powered.If jiggering engagement solenoid 26 is not powered, hair
Go out the instruction (step S139) being powered to jiggering engagement solenoid 26.If jiggering engagement solenoid 26 is powered, step is carried out
S140。
Step S140, judge whether to receive engagement signal and reach predetermined delay.If do not receive engagement signal or by
Not up to predetermined delay, then be emitted to the instruction (step S141) of the power-off of jiggering engagement solenoid 26 after to engagement signal.If
Receive engagement signal and reach predetermined delay, carry out step S142.Predetermined delay herein generally also takes 3s.
Step S142, judge Turbo-generator Set rotating speed whether be more than desired speed.Normally, Turbo-generator Set is worked as
Rotating speed when reaching 2rpm (i.e. 2 revs/min), illustrate lubricating oil system start completion.
Start-up and shut-down control method shown in Fig. 2A~Fig. 2 C is used to control opening for thermal power plant's Turbo-generator Set lubricating oil system
It is dynamic, therefore the start-up and shut-down control method shown in Fig. 2A~Fig. 2 C is properly termed as the startup step of thermal power plant's Turbo-generator Set lubricating oil system
Sequence.
Step S103~step S106 purpose is that the oil temperature in grease-box 47 first is promoted into more than 20 DEG C, and is put into
The premise of electric lubricating oil heater 32 is first to start AC Lub oil pump, prevents the lubricating oil in fuel tank in the local mistake of inactive state
Heat.Step S107~step S115 purpose one is whether experiment grease pump interlocking is normal, but checking AC and DC lubricating oil
Whether the processing of pump is normal.Step S116~step S128 is to be used to start grease pump and smoke evacuation diversity, and is put into corresponding
Interlocking.Step S129~step S134 purpose is to start jacking(oil) pump and put into interlock accordingly.Step S135~step
S142 purpose is to start Turbo-generator Set volume electric barring, and confirms whether rotating speed is normal.
In one embodiment, starting the enabled condition of step sequence is：The oil level of lubricating oil is higher than default oil in grease-box 47
Position.Common, above-mentioned default oil level is 2000mm, i.e., it is necessary to prejudge in grease-box 47 before step S101 is carried out
Oil level whether be higher than 2000mm, just allow when higher than 2000mm startup.
The embodiment of the present invention additionally provides a kind of start-up and shut-down control method of thermal power plant's steam turbine generator lubricating oil system, and this is opened
The executive agent of stop control method can be the systems such as computer or DCS.As shown in figure 3, the start-up and shut-down control method mainly includes：
Step S201, judge whether electric barring 46 has stopped.If electric barring 46 does not stop, the electronic disk of stopping is sent
The instruction (step S202) of car 46.If electric barring 46 has stopped, step S203 is carried out.
Step S203, judge whether to have dropped out jacking(oil) pump interlocking.If jacking(oil) pump interlocking is not exited, send and exit top
The instruction (step S204) of shafting oil pump interlocking.If jacking(oil) pump interlocking has dropped out, step S205 is carried out.
Step S205, judge whether that the first jacking(oil) pump 30 and the second jacking(oil) pump 31 are out of service.If first
Have in the jacking(oil) pump 31 of jacking(oil) pump 30 and second one it is not out of service, or the two is out of service, then sends stopping fortune
The instruction (step S206) of row the first jacking(oil) pump 30 and the second jacking(oil) pump 31.If the first jacking(oil) pump 30 and the second apical axis
Oil pump 31 is out of service, carries out step S207.
Step S207, judge whether to have dropped out grease pump interlocking.If grease pump interlocking is not exited, send and exit profit
The instruction (step S208) of oil pump interlocking.If grease pump interlocking has dropped out, step S209 is carried out.
Step S209, judge whether the first AC Lub oil pump 27, the second AC Lub oil pump 28 and DC lubricating
29 is out of service.If had in the first AC Lub oil pump 27, the second AC Lub oil pump 28 and DC lubricating 29
Any one oil pump is not out of service, and either any two oil pump is not out of service or three oil pumps are all in operation, then sends
The instruction of first AC Lub oil pump 27 out of service, the second AC Lub oil pump 28 and DC lubricating 29.
Start-up and shut-down control method shown in Fig. 3 is used for the stopping for controlling Turbo-generator Set lubricating oil system, therefore shown in Fig. 3
Start-up and shut-down control method can also turn into the stopping step of thermal power plant's Turbo-generator Set lubricating oil system.
In one embodiment, the enabled condition of stopping step sequence is：Generator sealing oil system in Turbo-generator Set is
It is out of service, and steam turbine high-pressure cylinder first order inner wall temperature is less than the second preset temperature.Normally, second preset temperature takes
120℃.That is, when generator sealing oil system is out of service, and steam turbine high-pressure cylinder first order inner wall temperature is less than 120 DEG C
When just allow stop.
Start-up and shut-down control method shown in Fig. 2A~Fig. 2 C and Fig. 3 is moderate heat high-pressure power plant Anti-fuel Oil System of the embodiment of the present invention
Programed logic.Following functions can be realized using the programed logic：In thermal power plant's high pressure fireresistant oil system full cut-off
Under state, the automatic start of high pressure fireresistant oil system is realized；Under thermal power plant's high pressure fireresistant oil system running state, high pressure is realized
Anti-fuel Oil System is automatically stopped；When the startup program of thermal power plant's high pressure fireresistant oil system is run to a certain step, condition is discontented with
Foot, if artificially judging, the condition can be ignored, and the operation that leapfrog action continues startup program can be carried out manually, until high pressure
Anti-fuel Oil System, which starts, to be finished.
Each step of start-up and shut-down control method shown in Fig. 2A~Fig. 2 C and Fig. 3, first judges whether feedback receives, if received
To then proceeding next step；If do not received, received etc. to be feedback.When not receiving due feedback signal, program control
Logic processed can rest on the step, wait artificial operation.Power plant operations staff can find the current operation step unreceived feedback of sequence
Signal, artificially judges whether unreceived feedback signal influences continuing executing with for program programed logic.If the feedback signal
Proceeding for present procedure control logic is not influenceed, and operations staff can operate leapfrog action to continue holding for programed logic
OK；If the feedback signal influences proceeding for present procedure control logic, operations staff can be according to each found
Unsatisfied feedback signal, targetedly goes investigation problem, until receiving the feedback signal, continues executing with programme-control and patrols
Volume.
, can be in thermal power plant's Turbo-generator Set lubrication by the start-up and shut-down control method shown in Fig. 2A~Fig. 2 C and Fig. 3
Under oil system full cut-off state, the automatic start of Turbo-generator Set lubricating oil system is realized；In thermal power plant's Turbo-generator Set profit
Under oil system running status, being automatically stopped for Turbo-generator Set lubricating oil system is realized.
It should be understood by those skilled in the art that, embodiments of the invention can be provided as method, system or computer program
Product.Therefore, the present invention can be using the reality in terms of complete hardware embodiment, complete software embodiment or combination software and hardware
Apply the form of example.Moreover, the present invention can be used in one or more computers for wherein including computer usable program code
The computer program production that usable storage medium is implemented on (including but is not limited to magnetic disk storage, CD-ROM, optical memory etc.)
The form of product.
The present invention is the flow with reference to method according to embodiments of the present invention, equipment (system) and computer program product
Figure and/or block diagram are described.It should be understood that can be by every first-class in computer program instructions implementation process figure and/or block diagram
Journey and/or the flow in square frame and flow chart and/or block diagram and/or the combination of square frame.These computer programs can be provided
The processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce
A raw machine so that produced by the instruction of computer or the computing device of other programmable data processing devices for real
The device for the function of being specified in present one flow of flow chart or one square frame of multiple flows and/or block diagram or multiple square frames.
These computer program instructions, which may be alternatively stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory, which is produced, to be included referring to
Make the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one square frame of block diagram or
The function of being specified in multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that in meter
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented processing, thus in computer or
The instruction performed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in individual square frame or multiple square frames.
Apply specific embodiment in the present invention to be set forth the principle and embodiment of the present invention, above example
Explanation be only intended to help to understand the method and its core concept of the present invention；Simultaneously for those of ordinary skill in the art,
According to the thought of the present invention, it will change in specific embodiments and applications, in summary, in this specification
Appearance should not be construed as limiting the invention.
Claims (10)
1. a kind of thermal power plant's Turbo-generator Set lubricating oil system, it is characterised in that thermal power plant's Turbo-generator Set lubrication
Oil system includes：Grease-box, the first AC Lub oil pump, the second AC Lub oil pump, DC lubricating, lubricating oil return
Filter screen, the first jacking(oil) pump, the second jacking(oil) pump, the first jacking(oil) pump inlet screen, the second jacking(oil) pump inlet screen, first
Jacking(oil) pump outlet filter screen, the second jacking(oil) pump outlet filter screen, multiple choke valves, jiggering engagement solenoid, lubricating oil electrical heating
Device, electric barring, the first lube oil cooler, the second lube oil cooler, the first smoke exhaust fan and the second smoke exhaust fan；
The lubricating oil return filter screen is arranged on the oil returning tube between Turbo-generator Set and the grease-box；Described
One AC Lub oil pump, the second AC Lub oil pump and DC lubricating are arranged in the grease-box, for by described in
Lubricating oil in grease-box is pumped out；The electric lubricating oil heater is used to heat the lubricating oil in grease-box；Described first
AC Lub oil pump, the second AC Lub oil pump, DC lubricating be connected in parallel after by pipeline and first lubricating oil
Cooler is connected；Set respectively in the outlet of first AC Lub oil pump, the second AC Lub oil pump and DC lubricating
There is outlet non-return door；
On the one hand lube oil cooler outlet main pipe is connected by each bearing shell of pipeline and steam-electric generating set shafting, the opposing party
Face, exports in lube oil cooler and is also sequentially provided with described first on the pipeline that main pipe is respectively supported watt to steam-electric generating set shafting
Jacking(oil) pump inlet screen, the first jacking(oil) pump, the first jacking(oil) pump outlet filter screen and choke valve；The choke valve is set respectively
High pressure cylinder both sides, intermediate pressure cylinder both sides, low pressure (LP) cylinder both sides and generator both sides in Turbo-generator Set；
The electric barring is connected with the jiggering engagement solenoid, and the electric barring is arranged on the rotor of Turbo-generator Set
In connecting shaft between low pressure (LP) cylinder；
Second lube oil cooler is in parallel with first lube oil cooler, in first lube oil cooler and
The two ends of two lube oil coolers are respectively equipped with entrance electrically operated gate and outlet electrically operated gate；The second jacking(oil) pump inlet screen with
The first jacking(oil) pump inlet screen is connected in parallel, in the first jacking(oil) pump inlet screen and the second jacking(oil) pump entrance
The two ends of filter screen are respectively equipped with entrance electrically operated gate and outlet electrically operated gate；Second jacking(oil) pump and first jacking(oil) pump are simultaneously
Connection connection, entrance electrically operated gate and outlet electrically operated gate are respectively equipped with the two ends of first jacking(oil) pump and the second jacking(oil) pump；
First jacking(oil) pump outlet filter screen is arranged on the output end of first jacking(oil) pump, the second jacking(oil) pump outlet filter
Net is arranged on the output end of second jacking(oil) pump；
First smoke exhaust fan and the second smoke exhaust fan are arranged on the top of the grease-box, in first smoke exhaust fan
And second the entrance of smoke exhaust fan be respectively equipped with entrance electrically operated gate, in the outlet of first smoke exhaust fan and the second smoke exhaust fan
It is respectively equipped with outlet non-return door；
Lubricating oil in the grease-box by first AC Lub oil pump and/or the second AC Lub oil pump and/or
DC lubricating is by after the lubricating oil adherence pressure in the grease-box, and a part of lubricating oil is cooled down by the first lubricating oil
Each bearing shell of steam-electric generating set shafting, another part lubrication are fed directly to after device and/or the cooling of the second lube oil cooler
Oil sequentially passes through first jacking oil and is pumped into after the first lube oil cooler and/or the cooling of the second lube oil cooler
Mouth filter screen and/or the second jacking(oil) pump inlet screen, the first jacking(oil) pump and the first jacking(oil) pump outlet filter screen and/or the second top
Shafting oil pump and the second jacking(oil) pump outlet filter screen, each choke valve deliver to each support watt of steam-electric generating set shafting；
Lubricating oil return after the lubricating oil return strainer filtering that is arranged on oil returning tube by flowing into the grease-box.
2. thermal power plant's Turbo-generator Set lubricating oil system according to claim 1, it is characterised in that Turbo-generator Set
Rotor and the bearing shell oil smoke produced that rubs the grease-box is communicated to by oil returning tube, by first smoke exhaust fan
And/or second smoke exhaust fan extract out.
3. thermal power plant's Turbo-generator Set lubricating oil system according to claim 1, it is characterised in that thermal power plant's vapour
Turbine generator group lubricating oil system also includes：Turbo-generator Set lubricating oil system programed logic operation button, lubricating oil
Pump block push button, smoke exhaust fan block push button, jacking(oil) pump block push button, manual confirmation sealing oil system have been turned on button and people
Work confirms sealing oil system stop button.
4. a kind of thermal power plant's Turbo-generator Set lubricating oil system start-up and shut-down control method, it is characterised in that thermal power plant's steamer
Generating set lubricating oil system start-up and shut-down control method includes：
Judge whether entrance electrically operated gate and outlet electrically operated gate, the entrance electricity of the second lube oil cooler of the first lube oil cooler
Dynamic door and outlet electrically operated gate have been opened, and the entrance electrically operated gate and outlet electrically operated gate, the second apical axis of the first jacking(oil) pump inlet screen
The entrance electrically operated gate and outlet electrically operated gate of oil pump inlet filter screen have been opened, and the entrance electrically operated gate of the first jacking(oil) pump and outlet are electronic
Door, the entrance electrically operated gate of the second jacking(oil) pump and outlet electrically operated gate have been opened；And first smoke exhaust fan entrance electrically operated gate and second
The entrance electrically operated gate of smoke exhaust fan has been closed；If not, sending the entrance electrically operated gate for opening the first lube oil cooler and outlet electricity
Dynamic door, the entrance electrically operated gate of the second lube oil cooler and the instruction for exporting electrically operated gate, and open the filter of the first jacking(oil) pump entrance
The entrance electrically operated gate and outlet electrically operated gate, the entrance electrically operated gate of the second jacking(oil) pump inlet screen and the finger for exporting electrically operated gate of net
Order, and open entrance electrically operated gate and outlet electrically operated gate, the entrance electrically operated gate of the second jacking(oil) pump and the outlet of the first jacking(oil) pump
The instruction of electrically operated gate；And close the instruction of the entrance electrically operated gate of the first smoke exhaust fan and the entrance electrically operated gate of the second smoke exhaust fan；
If it is, judging whether the first AC Lub oil pump has been turned on；If first AC Lub oil pump is not actuated, send
Start the instruction of the first AC Lub oil pump；
If first AC Lub oil pump has been turned on, judge whether the oil temperature in grease-box is more than the first preset temperature；
If the oil temperature in the grease-box is less than the first preset temperature, the instruction for starting electric lubricating oil heater is sent；
If the oil temperature in the grease-box is more than the preset temperature, judge whether the pressure of grease pump outlet main pipe is big
In the first preset pressure value；
If the pressure of grease pump outlet main pipe is more than first preset pressure value, judge whether to have put into grease pump connection
Lock, and electric lubricating oil heater has been stopped；If grease pump interlocking is not put into, and/or the electric lubricating oil heater
Be not stopped, send input grease pump interlocking instruction, and electric lubricating oil heater out of service instruction；
If having put into grease pump interlocking and electric lubricating oil heater being stopped, judge whether the first AC Lub oil pump
It is out of service, and the second AC Lub oil pump and DC lubricating have been turned on, and grease pump outlet main-piping pressure is more than
Second preset pressure value；If the first AC Lub oil pump is not out of service, and/or the second AC Lub oil pump and direct current lubrication
Oil pump is not actuated, and/or grease pump outlet main-piping pressure is less than the second preset pressure value, sends the first exchange profit out of service
The instruction of oil pump；
If the first AC Lub oil pump is out of service, and the second AC Lub oil pump and DC lubricating have been turned on, and
Grease pump outlet main-piping pressure is more than second preset pressure value, judges whether that the second AC Lub oil pump has stopped fortune
OK, and grease pump outlet main-piping pressure be more than the 3rd preset pressure value；If the second AC Lub oil pump is not out of service,
And/or grease pump outlet main-piping pressure is less than the 3rd preset pressure value, sends the second AC Lub oil pump out of service
Instruction；
If the second AC Lub oil pump is out of service and grease pump outlet main-piping pressure is more than the 3rd preset pressure
Value, judges whether DC lubricating is out of service；If the DC lubricating is not out of service, send out of service
The instruction of DC lubricating；
If the DC lubricating is out of service, judge whether the first AC Lub oil pump has been turned on；If described
One AC Lub oil pump is not actuated, sends the instruction for starting the first AC Lub oil pump；
If first AC Lub oil pump has been turned on, judge whether grease pump outlet main-piping pressure is more than described first pre-
If pressure value；
If grease pump outlet main-piping pressure is more than first preset pressure value, judge whether to have put into grease pump connection
Lock；If not putting into grease pump interlocking, the instruction of input grease pump interlocking is sent；
If having put into grease pump interlocking, judge whether the entrance electrically operated gate of the first smoke exhaust fan and entering for the second smoke exhaust fan
Mouth electrically operated gate is turned off；If the entrance electrically operated gate of first smoke exhaust fan is not turned off and/or the second smoke exhaust fan enters
Mouth electrically operated gate is not turned off, and sends the instruction for closing the first smoke evacuation fans entrance electrically operated gate and the second smoke evacuation fans entrance electrically operated gate；
If the entrance electrically operated gate of the first smoke exhaust fan and the entrance electrically operated gate of the second smoke exhaust fan are turned off, first row is judged
Whether cigarette blower fan has been turned on；If the first smoke exhaust fan is not actuated, the instruction for starting the first smoke exhaust fan is sent；
If the first smoke exhaust fan has been turned on, judge whether the first smoke evacuation fans entrance electrically operated gate has turned on；If the first smoke evacuation
Fans entrance electrically operated gate is not opened, sends the instruction for opening the first smoke evacuation fans entrance electrically operated gate；
If the first smoke evacuation fans entrance electrically operated gate has turned on, judge whether to have put into smoke exhaust fan interlocking；If the row of input
Cigarette interlock of fan, sends the instruction of input smoke exhaust fan interlocking；
If having put into smoke exhaust fan interlocking, judge whether jacking(oil) pump entrance main-piping pressure is more than the 3rd preset pressure
Value；
If jacking(oil) pump entrance main-piping pressure is more than the 3rd preset pressure value, judge whether the first jacking(oil) pump has opened
It is dynamic；If the not actuated operation of the first jacking(oil) pump, the instruction for starting the first jacking(oil) pump is sent；
If the first jacking(oil) pump has been turned on operation, judge whether that jacking(oil) pump outlet main-piping pressure is more than the 4th preset pressure
It is worth, and the pressure being arranged at after high pressure cylinder both sides, intermediate pressure cylinder both sides, low pressure (LP) cylinder both sides, the choke valve of generator both sides is all higher than
5th preset pressure value；
If shafting oil pump discharge main-piping pressure is more than the 4th preset pressure value, and be arranged at high pressure cylinder both sides, it is intermediate pressure cylinder both sides, low
Pressure after cylinder pressure both sides, the choke valve of generator both sides is all higher than the 5th preset pressure value, judges whether to have put into jacking oil
Pump is interlocked；If not putting into jacking(oil) pump interlocking, the instruction of input jacking(oil) pump interlocking is sent；
If having put into jacking(oil) pump interlocking, judge whether generator sealing oil system has been turned on；
If generator sealing oil system has been turned on, judge whether electric barring has been turned on and be delayed to reach predetermined delay；If
Electric barring is not actuated and/or delay is not up to the predetermined delay, sends the instruction for starting electric barring；
If electric barring has been turned on and be delayed to reach the predetermined delay, judge whether jiggering engagement solenoid is powered；Such as
Fruit tray car engagement solenoid is not powered, is emitted to the instruction of jiggering engagement solenoid energization；
If jiggering engagement solenoid is powered, judges whether to receive engagement signal and reach the predetermined delay；If do not received
To the engagement signal and/or not up to predetermined delay, the instruction of jiggering engagement solenoid power-off is emitted to；
If receiving engagement signal and reaching the predetermined delay, judge whether the rotating speed of Turbo-generator Set is more than predetermined turn
Speed.
5. thermal power plant's Turbo-generator Set lubricating oil system start-up and shut-down control method according to claim 4, it is characterised in that
Thermal power plant's Turbo-generator Set lubricating oil system start-up and shut-down control method also includes：
Judge whether electric barring has stopped, if the electric barring does not stop, send the instruction for stopping electric barring；
If electric barring has stopped, judging whether to have dropped out jacking(oil) pump interlocking；If jacking(oil) pump interlocking is not exited, send
Exit the instruction of jacking(oil) pump interlocking；
If jacking(oil) pump interlocking has dropped out, judge whether that the first jacking(oil) pump and the second jacking(oil) pump are out of service；Such as
Really the first jacking(oil) pump is not out of service and/or the second jacking(oil) pump is not out of service, sends the first jacking(oil) pump out of service
And second jacking(oil) pump instruction；
If the first jacking(oil) pump and the second jacking(oil) pump are out of service, judge whether to have dropped out grease pump interlocking；Such as
The interlocking of fruit grease pump is not exited, sends the instruction for exiting grease pump interlocking；
If grease pump interlocking has dropped out, judge whether the first AC Lub oil pump, the second AC Lub oil pump and direct current profit
Oil pump is out of service；If the first AC Lub oil pump is not out of service, and/or the second AC Lub oil pump does not stop
Operation, and/or DC lubricating be not out of service, sends the first AC Lub oil pump out of service, the second exchange lubricating oil
The instruction of pump and DC lubricating.
6. thermal power plant's Turbo-generator Set lubricating oil system start-up and shut-down control method according to claim 4, it is characterised in that
Thermal power plant's Turbo-generator Set lubricating oil system start-up and shut-down control method also includes：
Judge whether the oil level in grease-box is more than default oil level；
If the oil level in grease-box is more than the default oil level, judge whether the entrance electrically operated gate of the first lube oil cooler
Opened with outlet electrically operated gate, the entrance electrically operated gate of the second lube oil cooler and outlet electrically operated gate, and the first jacking(oil) pump entrance
The entrance electrically operated gate of filter screen and outlet electrically operated gate, the entrance electrically operated gate of the second jacking(oil) pump inlet screen and outlet electrically operated gate are
Open, and the entrance electrically operated gate of the first jacking(oil) pump and outlet electrically operated gate, the entrance electrically operated gate of the second jacking(oil) pump and outlet are electronic
Door has been opened；And first smoke exhaust fan entrance electrically operated gate and the entrance electrically operated gate of the second smoke exhaust fan closed.
7. thermal power plant's Turbo-generator Set lubricating oil system start-up and shut-down control method according to claim 5, it is characterised in that
Thermal power plant's Turbo-generator Set lubricating oil system start-up and shut-down control method also includes：
Judge whether that generator sealing oil system is out of service, and steam turbine high-pressure cylinder first order inner wall temperature is pre- less than second
If temperature；
If generator sealing oil system is out of service, and steam turbine high-pressure cylinder first order inner wall temperature is less than the default temperature
Degree, judges whether electric barring has stopped.
8. thermal power plant's Turbo-generator Set lubricating oil system start-up and shut-down control method according to claim 4, it is characterised in that
First preset temperature is 20 DEG C, and first preset pressure value is 0.12MPa, and second preset pressure value is
0.2MPa, the 3rd preset pressure value is 0.1MPa, and the 4th preset pressure value is 7MPa, the 5th preset pressure value
For 3.5MPa, the predetermined delay is 3s, and the desired speed is 2rpm.
9. thermal power plant's Turbo-generator Set lubricating oil system start-up and shut-down control method according to claim 6, it is characterised in that
The default oil level is 2000mm.
10. thermal power plant's Turbo-generator Set lubricating oil system start-up and shut-down control method according to claim 7, its feature exists
In second preset temperature is 120 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610866847.7A CN106246247B (en) | 2016-09-29 | 2016-09-29 | A kind of thermal power plant's Turbo-generator Set lubricating oil system and its start-up and shut-down control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610866847.7A CN106246247B (en) | 2016-09-29 | 2016-09-29 | A kind of thermal power plant's Turbo-generator Set lubricating oil system and its start-up and shut-down control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106246247A CN106246247A (en) | 2016-12-21 |
| CN106246247B true CN106246247B (en) | 2017-10-13 |
Family
ID=57611093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610866847.7A Active CN106246247B (en) | 2016-09-29 | 2016-09-29 | A kind of thermal power plant's Turbo-generator Set lubricating oil system and its start-up and shut-down control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106246247B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107355663B (en) * | 2017-06-26 | 2019-04-09 | 江苏江海润液设备有限公司 | A kind of phase modulation lubricating oil system and its control method |
| CN107905856A (en) * | 2017-11-27 | 2018-04-13 | 大唐贵州发耳发电有限公司 | A kind of jiggering and jacking(oil) pump control system and its control method |
| CN108490238B (en) * | 2018-03-09 | 2020-09-22 | 中广核核电运营有限公司 | Turbo generator shaft current alarm data processing device and method |
| CN109578317B (en) * | 2018-12-29 | 2020-07-31 | 沈阳鼓风机集团自动控制系统工程有限公司 | Control method and device for lubricating oil system of centrifugal compressor |
| CN114484252A (en) * | 2021-12-28 | 2022-05-13 | 华能上海燃机发电有限责任公司 | Oil return filter screen state detection equipment for lubricating oil system of single-shaft combined cycle unit |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB690120A (en) * | 1950-07-18 | 1953-04-15 | English Electric Co Ltd | Improvements in and relating to the starting of gas turbines |
| JPS6385204A (en) * | 1986-09-26 | 1988-04-15 | Toshiba Corp | Lubricating oil feeding control device for steam turbine |
| JP5868648B2 (en) * | 2011-10-05 | 2016-02-24 | 株式会社東芝 | Steam turbine lubricating oil supply device and steam turbine system |
| CN203335147U (en) * | 2013-07-05 | 2013-12-11 | 大唐华银电力股份有限公司金竹山火力发电分公司 | Lubricating oil system of turbo generator set |
| CN204024729U (en) * | 2014-04-23 | 2014-12-17 | 大唐河北发电有限公司马头热电分公司 | A kind of Novel backwashing bypath system |
| CN104832222B (en) * | 2015-05-11 | 2017-02-15 | 国家电网公司 | Steam turbine generator unit jacking oil and barring system and start and stop control method thereof |
| CN206054012U (en) * | 2016-09-29 | 2017-03-29 | 华北电力科学研究院有限责任公司 | A kind of thermal power plant's Turbo-generator Set lubricating oil system |
-
2016
- 2016-09-29 CN CN201610866847.7A patent/CN106246247B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106246247A (en) | 2016-12-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106246247B (en) | A kind of thermal power plant's Turbo-generator Set lubricating oil system and its start-up and shut-down control method | |
| CN104533767B (en) | Compressor start control method | |
| CN105298735B (en) | A kind of safe and reliable scaled bulb tubular hydraulic generator is opened, halt control method | |
| CN206054012U (en) | A kind of thermal power plant's Turbo-generator Set lubricating oil system | |
| CN110159365B (en) | Sequence control starting method of double-machine regenerative small steam turbine | |
| CN103032111B (en) | Control protection method for two-driven-one combined cycle extraction condensing back pressure turbine | |
| KR102520288B1 (en) | Steam turbine plant and its cooling method | |
| TW200530489A (en) | Integrated adaptive capacity control for a steam turbine powered chiller unit | |
| CN108291452A (en) | The part temperatures adjusting method of gas turbine and gas turbine | |
| JP2009167999A (en) | Freezing preventive method of water lubricated compressor | |
| CN105443173B (en) | Unit control system and method for energy recovery of purified terephthalic acid (PTA) device | |
| CN105864086A (en) | Fully automatic starting control system for high-speed centrifugal blower | |
| CN106761971B (en) | A kind of method of the emergent supply turbo-engine lube of high position energy storage | |
| CN106247739B (en) | A kind of thermal power plant's industrial cooling circulating water system and its start-up and shut-down control method | |
| CN106460541B (en) | Stream with Series Connection Type Dry Gas part can be mechanical | |
| CN104791022B (en) | Gas power station axle envelope and vacuum system and on off control method thereof | |
| CN206073051U (en) | A kind of thermal power plant's electrically driven feed pump system | |
| CN106168372B (en) | A kind of thermal power plant's electrically driven feed pump system and its start-up and shut-down control method | |
| CN205841771U (en) | Thermal power plant's electromotor double-flow se al oil | |
| KR101833657B1 (en) | Gas turbine operation method and operation control device | |
| CN106051169B (en) | Thermal power plant's generator double-flow se al oil and its start-up and shut-down control method | |
| CN105864087A (en) | Fully automatic starting control method for high-speed centrifugal blower | |
| CN106321162A (en) | Sliding parameter halt method of concurrent boiler | |
| CN104879174B (en) | A kind of urgent steam-operating oil pump remote manual control system and method | |
| CN106015898B (en) | Thermal power plant's generator single-flow seal oil and its start-up and shut-down control method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |