CN106237684B - A kind of thermal power plant's high pressure fireresistant oil system and its start-up and shut-down control method - Google Patents
A kind of thermal power plant's high pressure fireresistant oil system and its start-up and shut-down control method Download PDFInfo
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- CN106237684B CN106237684B CN201610860387.7A CN201610860387A CN106237684B CN 106237684 B CN106237684 B CN 106237684B CN 201610860387 A CN201610860387 A CN 201610860387A CN 106237684 B CN106237684 B CN 106237684B
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- operated gate
- oil
- resistant oil
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- 230000009970 fire resistant effect Effects 0.000 title claims abstract description 463
- 238000000034 method Methods 0.000 title claims abstract description 44
- 230000001172 regenerating effect Effects 0.000 claims abstract description 62
- 239000002828 fuel tank Substances 0.000 claims abstract description 60
- 239000000446 fuel Substances 0.000 claims abstract description 27
- 239000003921 oil Substances 0.000 claims description 476
- 239000000295 fuel oil Substances 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 7
- 238000004064 recycling Methods 0.000 claims description 5
- 230000008929 regeneration Effects 0.000 claims description 5
- 238000011069 regeneration method Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- 230000005619 thermoelectricity Effects 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 9
- 238000004590 computer program Methods 0.000 description 7
- 238000001816 cooling Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000000694 effects Effects 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
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
-
- 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
- F01D17/00—Regulating or controlling by varying flow
- F01D17/20—Devices dealing with sensing elements or final actuators or transmitting means between them, e.g. power-assisted
- F01D17/22—Devices dealing with sensing elements or final actuators or transmitting means between them, e.g. power-assisted the operation or power assistance being predominantly non-mechanical
- F01D17/26—Devices dealing with sensing elements or final actuators or transmitting means between them, e.g. power-assisted the operation or power assistance being predominantly non-mechanical fluid, e.g. hydraulic
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
- F23M11/00—Safety arrangements
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The present invention provides a kind of thermal power plant's high pressure fireresistant oil system and its start-up and shut-down control methods, the system includes: fire-resistant fuel tank, first fire resistant oil pump, second fire resistant oil pump, first fire resistant oil recirculation pump, second fire resistant oil recirculation pump, first regenerating unit, second regenerating unit, first cooler, second cooler, electric heater, high pressure accumulator, first fire resistant oil is for oil screen, second fire resistant oil is for oil screen, fire resistant oil pump recycles pressure maintaining valve, regenerating unit entrance main pipe electrically operated gate, cooler entrance main pipe electrically operated gate, high pressure accumulator entrance electrically operated gate and fire resistant oil fuel feeding electrically operated gate.The present invention can realize the automatic starting of high pressure fireresistant oil system under high pressure fireresistant oil system full cut-off state；Under high pressure fireresistant oil system running state, being automatically stopped for high pressure fireresistant oil system is realized；Artificial judgement is taken into account, realizes the leapfrog operation of the system program control logic.
Description
Technical field
The present invention relates to thermal power plant's high pressure fireresistant oil technology, especially with regard to a kind of thermal power plant's high pressure fireresistant oil system and
Its start-up and shut-down control method.
Background technique
The major function of thermal power plant's high pressure fireresistant oil system is the electricity to steam turbine and steam feed pump driving steam turbine
Hydraulic regulating system provides power oil.Fire-resistant oil pressure is higher, after being boosted by fire resistant oil pump, enters by servo valve or solenoid valve each
A oil motor piston chamber is instructed by servo valve and solenoid valve, controls oil motor stroke, the i.e. aperture of control valve.But
Existing thermal power plant's high pressure fireresistant oil system cannot achieve the automatic starting of high pressure fireresistant oil system under full cut-off state；Also without
Method realizes being automatically stopped for high pressure fireresistant oil system under high pressure fireresistant oil system running state；Also, work as high pressure fireresistant oil system
When system startup program is carried out to a certain step, if the step sequence condition is unsatisfactory for, startup program can not be made to continue.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of thermal power plant's high pressure fireresistant oil system and its start-up and shut-down control sides
Method.
One aspect of the present invention provides a kind of thermal power plant's high pressure fireresistant oil system, thermal power plant's high pressure fireresistant oil system packet
Include: fire-resistant fuel tank, the first fire resistant oil pump, the second fire resistant oil pump, the first fire resistant oil recirculation pump, the second fire resistant oil recirculation pump,
First regenerating unit, the second regenerating unit, the first cooler, the second cooler, electric heater, high pressure accumulator, the first fire-resistant
Oil is for oil screen, the second fire resistant oil for oil screen, fire resistant oil pump recycling pressure maintaining valve, regenerating unit entrance main pipe electrically operated gate, cold
But device entrance main pipe electrically operated gate, high pressure accumulator entrance electrically operated gate and fire resistant oil fuel feeding electrically operated gate；
The fire-resistant fuel tank receives the oil return of Anti-fuel Oil System user for storing fire resistant oil；In the fire-resistant fuel tank
In be equipped with the electric heater, for being heated to fire resistant oil；
Described is successively arranged on pipeline between the outlet at bottom and fire resistant oil fuel feeding electrically operated gate of the fire-resistant fuel tank
One fire resistant oil pump and the first fire resistant oil are for oil screen；Second fire resistant oil pump is connected in parallel with the first fire resistant oil pump, first
The entrance of the entrance of fire resistant oil pump and the second fire resistant oil pump is respectively equipped with entrance electrically operated gate, in the outlet of the first fire resistant oil pump and
The outlet of two fire resistant oil pumps is respectively equipped with outlet electrically operated gate；Second fire resistant oil is for oil screen and the first fire resistant oil for oil screen
It is connected in parallel, it is electronic for the entrance of oil screen and the second fire resistant oil to be respectively equipped with entrance for the entrance of oil screen in the first fire resistant oil
Door, is respectively equipped with outlet non-return door for the outlet of oil screen for the outlet of oil screen and the second fire resistant oil in the first fire resistant oil；
The fire resistant oil is equipped on pipeline between upper outlet and fire resistant oil pump the outlet main pipe of the fire-resistant fuel tank
Pump recycling pressure maintaining valve；
The high pressure accumulator is connected by pipeline and fire resistant oil for the outlet of oil screen, in the high pressure accumulator and is resisted
Pipeline between fuel feed strainer is equipped with high pressure accumulator entrance electrically operated gate；
It is successively set on pipeline between another outlet at bottom of the fire-resistant fuel tank and a upper entrance of fire-resistant fuel tank
There are the first fire resistant oil recirculation pump, regenerating unit entrance main pipe electrically operated gate and the first regenerating unit；Second fire resistant oil
Recirculation pump is connected in parallel with the first fire resistant oil recirculation pump, the entrance of the first fire resistant oil recirculation pump and the second fire resistant oil again
The entrance of circulating pump is respectively equipped with entrance electrically operated gate, outlet and the second fire resistant oil recirculation pump in the first fire resistant oil recirculation pump
Outlet be respectively equipped with outlet non-return door；Second regenerating unit is connected in parallel with the first regenerating unit, in the first regeneration dress
The entrance of the entrance and the second regenerating unit set is respectively equipped with entrance electrically operated gate, regenerates in the outlet of the first regenerating unit and second
The outlet of device is respectively equipped with outlet electrically operated gate；
On pipeline between another upper entrance of the outlet main pipe to the fire-resistant fuel tank of fire resistant oil recirculation pump according to
It is secondary to be equipped with the cooler entrance main pipe electrically operated gate and the first cooler；Second cooler is in parallel with the first cooler to be connected
It connects, entrance electrically operated gate is respectively equipped in the entrance of the first cooler and the entrance of the second cooler, in the outlet of the first cooler
And second the outlet of cooler be respectively equipped with outlet electrically operated gate.
In one embodiment, the fire resistant oil all the way in the fire-resistant fuel tank successively pass through first fire resistant oil pump and/or
Second fire resistant oil pump, the first fire resistant oil enter for oil screen and/or the second fire resistant oil for oil screen, fire resistant oil fuel feeding electrically operated gate anti-
Fuel system user.
In one embodiment, the another way fire resistant oil in the fire-resistant fuel tank flows into the first fire resistant oil recirculation pump
And/or the second fire resistant oil recirculation pump, it is beaten and is followed by the first fire resistant oil recirculation pump and/or the second fire resistant oil recirculation pump
Ring, a part by returning to the fire-resistant fuel tank after first regenerating unit and/or the purification of the second regenerating unit, another part by
First cooler and/or the second cooler return to the fire-resistant fuel tank after carrying out cooling.
In one embodiment, thermal power plant's high pressure fireresistant oil system further include: high pressure accumulator blowdown electrically operated gate, connection
On pipeline between the high pressure accumulator entrance electrically operated gate and the high pressure accumulator, for the high pressure accumulator into
Row automatic pollution discharge.
In one embodiment, thermal power plant's high pressure fireresistant oil system further include: the control of high pressure fireresistant oil system program is patrolled
Collect operation button, fire resistant oil pump block push button and recirculation pump block push button.
Another aspect of the present invention additionally provides a kind of thermal power plant's high pressure fireresistant oil system start-up and shut-down control method, the thermal power plant
High pressure fireresistant oil system start-up and shut-down control method includes:
The entrance electrically operated gate of the entrance electrically operated gate and the second fire resistant oil pump that judge whether the first fire resistant oil pump has been opened, and first
The entrance electrically operated gate of fire resistant oil recirculation pump and the entrance electrically operated gate of the second fire resistant oil recirculation pump have been opened, and regenerating unit entrance
Main pipe electrically operated gate has been opened, and the entrance electrically operated gate of the first regenerating unit and outlet electrically operated gate have been opened, and the second regenerating unit enters
Mouth electrically operated gate and outlet electrically operated gate have been closed, and cooler entrance main pipe electrically operated gate has been closed, and the entrance electrically operated gate of the first cooler
And outlet electrically operated gate has been opened, and the entrance electrically operated gate of the second cooler and outlet electrically operated gate have been closed, and the first fire resistant oil is for oily filter
The entrance electrically operated gate of net and outlet electrically operated gate have been opened, and the second fire resistant oil for oil screen entrance electrically operated gate and outlet electrically operated gate
It closes, and fire resistant oil fuel feeding electrically operated gate has been closed, and high pressure accumulator entrance electrically operated gate has been opened, and high pressure accumulator blowdown electrically operated gate is
It closes；If it is not, then issuing the instruction for opening the first fire resistant oil pump entrance electrically operated gate and the second fire resistant oil pump entrance electrically operated gate, and open
The instruction of the first fire resistant oil recirculation pump entrance electrically operated gate and the second fire resistant oil recirculation pump entrance electrically operated gate is opened, and opens regeneration
The instruction of device portal main pipe electrically operated gate, and open the first regenerating unit entrance electrically operated gate and export the instruction of electrically operated gate, and close
It closes the second regenerating unit entrance electrically operated gate and exports the instruction of electrically operated gate, and close the instruction of cooler entrance main pipe electrically operated gate,
And it opens the first cooler entrance electrically operated gate and exports the instruction of electrically operated gate, and close the second cooler entrance electrically operated gate and outlet
The instruction of electrically operated gate, and the first fire resistant oil is opened for the instruction of oil screen entrance electrically operated gate and outlet electrically operated gate, and closes second
Fire resistant oil for oil screen entrance electrically operated gate and export electrically operated gate instruction, and close fire resistant oil fuel feeding electrically operated gate instruction；
If so, judging whether the first fire resistant oil recirculation pump has been turned on；If the first fire resistant oil recirculation pump is not
Starting issues the instruction of the first fire resistant oil recirculation pump of starting；
If the first fire resistant oil recirculation pump has been turned on, judge whether recirculation pump outlet main-piping pressure is greater than first
Preset pressure value；
If recirculation pump outlet main-piping pressure is greater than first preset pressure value, judges whether to have put into and follow again
Ring pump interlocking；If recirculation pump interlocking is not put into, investment recirculation pump interlocking instruction is issued；
If recycling oil pump interlocking has been put into, judge whether the oil temperature in fire-resistant fuel tank is greater than preset temperature；If institute
When stating the oil temperature in fire-resistant fuel tank less than the preset temperature, the instruction of starting electric heater is issued, in the fire-resistant fuel tank
Fire resistant oil heating；
If the oil temperature in the fire-resistant fuel tank is greater than the preset temperature, judge whether that the first fire resistant oil pump has been turned on,
And electric heater has stopped working；If first fire resistant oil pump is inactive and/or the electric heater does not stop working,
Issue the instruction of the first fire resistant oil pump of starting and the instruction of electric heater out of service；
If first fire resistant oil pump has been turned on, and electric heater has stopped working, and judges that fire resistant oil pump exports main pipe
Whether pressure is greater than the second preset pressure value；
If fire resistant oil pump outlet main-piping pressure is greater than second preset pressure value, judge whether to have put into fire-resistant
Oil pump interlocking；If fire resistant oil pump interlocking is not put into, the instruction of investment fire resistant oil pump interlocking is issued；
If fire resistant oil pump interlocking has been put into, judge whether cooler entrance main pipe electrically operated gate has been opened；If the cooling
Device entrance main pipe electrically operated gate is not opened, and the instruction for opening cooler entrance main pipe electrically operated gate is issued.
In one embodiment, thermal power plant's high pressure fireresistant oil system start-up and shut-down control method further include:
Judge whether that fire resistant oil pump interlocking has dropped out, and recirculation pump interlocking has dropped out；If fire resistant oil pump interlocking is not moved back
Out and/or recirculation pump interlocking is not exited, issues the instruction for exiting fire resistant oil pump interlocking, and exit the finger of recirculation pump interlocking
It enables；
If fire resistant oil pump interlocking have dropped out, and recirculation pump interlocking have dropped out, judge the first fire resistant oil pump and second resist
Whether fuel pump is out of service；If first fire resistant oil pump is not out of service and/or the second fire resistant oil pump does not stop
Operation issues the instruction of the first fire resistant oil pump out of service and the instruction of the second fire resistant oil pump out of service；
If first fire resistant oil pump and the second fire resistant oil pump are out of service, the first fire resistant oil recirculation pump is judged
And second fire resistant oil recirculation pump it is whether out of service；If the first fire resistant oil recirculation pump is not out of service, and/
Or second fire resistant oil recirculation pump it is not out of service, issue the instruction of the first fire resistant oil recirculation pump out of service, and stop fortune
The instruction of row the second fire resistant oil recirculation pump.
In one embodiment, thermal power plant's high pressure fireresistant oil system start-up and shut-down control method further include:
Judge whether that the oil level in the fire-resistant fuel tank is higher than default liquid level, and the pressure in the high pressure accumulator is greater than
Third preset pressure value；
If the oil level in the fire-resistant fuel tank is greater than the default liquid level, and the pressure in the high pressure accumulator is greater than
The entrance of the third preset pressure value, then the entrance electrically operated gate and the second fire resistant oil pump that judge whether the first fire resistant oil pump is electronic
Door has been opened, and the entrance electrically operated gate of the first fire resistant oil recirculation pump and the entrance electrically operated gate of the second fire resistant oil recirculation pump have been opened,
And regenerating unit entrance main pipe electrically operated gate has been opened, and the entrance electrically operated gate of the first regenerating unit and outlet electrically operated gate have been opened, and the
The entrance electrically operated gate and outlet electrically operated gate of two regenerating units have been closed, and cooler entrance main pipe electrically operated gate has been closed, and first is cooling
The entrance electrically operated gate and outlet electrically operated gate of device have been opened, and the entrance electrically operated gate of the second cooler and outlet electrically operated gate have been closed, and the
The entrance electrically operated gate and outlet electrically operated gate of primary antibody fuel feed strainer have been opened, and the second fire resistant oil is for the entrance electrically operated gate of oil screen
And outlet electrically operated gate has been closed, and fire resistant oil fuel feeding electrically operated gate has been closed, and high pressure accumulator entrance electrically operated gate has been opened；And high-voltage energy-storage
Device blowdown electrically operated gate has been closed.
In one embodiment, thermal power plant's high pressure fireresistant oil system start-up and shut-down control method further include:
Judge whether that steam turbine and steam feed pump driving steam turbine have tripped；
If the steam turbine and steam feed pump driving steam turbine have tripped, judge whether that fire resistant oil pump interlocking has been moved back
Out, and recirculation pump interlocking has dropped out.
In one embodiment, first preset pressure value is 0.1MPa, and the second preset pressure value is 12MPa, described pre-
If temperature is 20 DEG C.
In one embodiment, the default liquid level is 500mm, and the third preset pressure value is 10MPa.
The beneficial effects of the present invention are: thermal power plant's high pressure fireresistant oil system provided in an embodiment of the present invention and its start and stop control
Method processed can realize the automatic starting of high pressure fireresistant oil system under thermal power plant's high pressure fireresistant oil system full cut-off state；In fire
Under high-pressure power plant Anti-fuel Oil System operating status, being automatically stopped for high pressure fireresistant oil system is realized；And artificial judgement is taken into account, it can
To realize the leapfrog operation of thermal power plant's high pressure fireresistant oil system program control logic, when the operation item of a certain step of programed logic
Part is that artificially whether can ignore and operate leapfrog movement when meeting to cause step sequence that can not carry out by Rule of judgment, continue
The operation of programed logic is until starting finishes.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of thermal power plant of embodiment of the present invention high pressure fireresistant oil system；
Fig. 2 is the start-up and shut-down control method flow diagram of thermal power plant of embodiment of the present invention high pressure fireresistant oil system；
Fig. 3 is the start-up and shut-down control method flow diagram of another embodiment of the present invention thermal power plant high pressure fireresistant oil system.
Drawing reference numeral:
1. 2. first fire resistant oil pump outlet non-return door of the first fire resistant oil pump entrance electrically operated gate
3. 4. second fire resistant oil pump outlet non-return door of the second fire resistant oil pump entrance electrically operated gate
5. the first fire resistant oil exports electrically operated gate for oil screen for 6. first fire resistant oil of oil screen entrance electrically operated gate
7. the second fire resistant oil exports electrically operated gate for oil screen for 8. second fire resistant oil of oil screen entrance electrically operated gate
9. 10. high pressure accumulator entrance electrically operated gate of fire resistant oil fuel feeding electrically operated gate
11. 12. first fire resistant oil recirculation pump entrance electrically operated gate of high pressure accumulator blowdown electrically operated gate
13. 14. second fire resistant oil recirculation pump entrance electrically operated gate of the first fire resistant oil recirculation pump outlet non-return door
15. 16. cooler entrance main pipe electrically operated gate of the second fire resistant oil recirculation pump outlet non-return door
17. 18. first cooler outlet electrically operated gate of the first cooler entrance electrically operated gate
19. 20. second cooler outlet electrically operated gate of the second cooler entrance electrically operated gate
21. 22. first regenerating unit entrance electrically operated gate of regenerating unit entrance main pipe electrically operated gate
23. the first regenerating unit exports 24. second regenerating unit entrance electrically operated gate of electrically operated gate
25. the second regenerating unit exports 26. fire resistant oil pump of electrically operated gate and recycles pressure maintaining valve
27. 28. second fire resistant oil pump of the first fire resistant oil pump
29. 30. second fire resistant oil recirculation pump of the first fire resistant oil recirculation pump
31. 32. second cooler of the first cooler
33. 34. second regenerating unit of the first regenerating unit
35. the first fire resistant oil is for 36. second fire resistant oil of oil screen for oil screen
37. 38. fire-resistant fuel tank of fire-resistant fuel tank electric heater
39. high pressure accumulator
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, the system includes: fire-resistant the embodiment of the invention provides a kind of thermal power plant's high pressure fireresistant oil system
Fuel tank 38, the first fire resistant oil pump 27, the second fire resistant oil pump 28, the first fire resistant oil recirculation pump 29, the second fire resistant oil recirculation pump
30, the first regenerating unit 33, the second regenerating unit 34, the first cooler 31, the second cooler 32, electric heater 37, high pressure store
Energy device 39, the first fire resistant oil are for oil screen 35, the second fire resistant oil for oil screen 36, fire resistant oil pump recycling pressure maintaining valve 26, regeneration
Device portal main pipe electrically operated gate 21, cooler entrance main pipe electrically operated gate 16, high pressure accumulator entrance electrically operated gate 10 and fire resistant oil supply
Oily electrically operated gate 9.
Fire-resistant fuel tank 38 receives the oil return of Anti-fuel Oil System user for storing fire resistant oil.It is set in fire-resistant fuel tank 38
There is electric heater 37, is heated for fighting the fire resistant oil in fuel tank 38.
The first fire-resistant is successively arranged on pipeline between the outlet at bottom and fire resistant oil fuel feeding electrically operated gate 9 of fire-resistant fuel tank 38
Oil pump 27 and the first fire resistant oil are for oil screen 35.Second fire resistant oil pump 28 is connected in parallel with the first fire resistant oil pump 27, anti-first
The entrance of fuel pump 27 is equipped with entrance electrically operated gate 1, is equipped with outlet non-return door 2 in the outlet of the first fire resistant oil pump.In the second fire-resistant
The entrance of oil pump 28 is equipped with entrance electrically operated gate 3, is equipped with outlet non-return door 4 in the outlet of the second fire resistant oil pump 28.Second fire resistant oil
It is connected in parallel with the first fire resistant oil for oil screen 35 for oil screen 36, in the first fire resistant oil for the entrance and exit point of oil screen 35
Not She You entrance electrically operated gate 5 and outlet electrically operated gate 6, be respectively equipped with entrance for the entrance and exit of oil screen 36 in the second fire resistant oil
Electrically operated gate 7 and outlet electrically operated gate 8.
Fire resistant oil pump is equipped on pipeline between upper outlet and fire resistant oil pump the outlet main pipe of fire-resistant fuel tank 38 to follow again
Ring pressure maintaining valve 26.
High pressure accumulator 39 is connected by pipeline and fire resistant oil for the outlet of oil screen, in high pressure accumulator 39 and fire resistant oil
High pressure accumulator entrance electrically operated gate 10 is equipped with for the pipeline between oil screen.
It is successively set on pipeline between another outlet at bottom of fire-resistant fuel tank 38 and a upper entrance of fire-resistant fuel tank 38
There are the first fire resistant oil recirculation pump 29, regenerating unit entrance main pipe electrically operated gate 21 and the first regenerating unit 33.Second fire resistant oil is again
Circulating pump 30 is connected in parallel with the first fire resistant oil recirculation pump 29, in the entrance and the second fire-resistant of the first fire resistant oil recirculation pump 29
The entrance of oily recirculation pump 30 is respectively equipped with entrance electrically operated gate 12 and 14, in the outlet and second of the first fire resistant oil recirculation pump 29
The outlet of fire resistant oil recirculation pump 30 is respectively equipped with outlet non-return door 13 and 15.Second regenerating unit 34 and the first regenerating unit 33
Be connected in parallel, the entrance of the first regenerating unit 33 and the inlet of the second regenerating unit 34 be respectively equipped with entrance electrically operated gate 22 and
24, outlet electrically operated gate 23 and 25 is respectively equipped in the outlet of the first regenerating unit 33 and the exit of the second regenerating unit 34.
On pipeline between another upper entrance of the outlet main pipe to fire-resistant fuel tank 38 of fire resistant oil recirculation pump successively
Equipped with cooler entrance main pipe electrically operated gate 16 and the first cooler 31.Second cooler 32 is connected in parallel with the first cooler 31,
It is respectively equipped with entrance electrically operated gate 17 and 19 in the entrance of the first cooler 31 and the inlet of the second cooler 32, it is cooling first
The outlet of device 31 and the exit of the second cooler 32 are respectively equipped with outlet electrically operated gate 18 and 20.
As shown in Figure 1, being additionally provided with other necessary pipelines, valve in thermal power plant of embodiment of the present invention high pressure fireresistant oil system
Door and related thermal technology's measuring point etc..
In thermal power plant's high pressure fireresistant oil system provided in an embodiment of the present invention, fire-resistant fuel tank 38 is store as the oil sources of system
Standby container, send for receiving the oil return of Anti-fuel Oil System user, and by fire resistant oil pump 27 or 28 adherence pressures to each use of system
Family.Fire resistant oil pump 27 generallys use plunger pump, and outlet pressure is higher, is provided with spill valve (i.e. in fire resistant oil pump outlet main pipe
Fire resistant oil pump recycles pressure maintaining valve 26), system pressure can be controlled in 14MPa or so.High pressure accumulator 39 is before system starting
It is filled with nitrogen, pressure reaches 10MPa.After system start-up, when the use oil mass suddenly change of system user, high pressure accumulator 39
Play the role of a buffering to maintain the stabilization of system pressure.The oil that fire resistant oil pump 27 or 28 is sent out is through filter (first
Fire resistant oil is for oil screen 35 or the second fire resistant oil for oil screen 36) removal impurity, then give to each user.First fire resistant oil follows again
The effect of ring pump 29 or the second fire resistant oil recirculation pump 30 is that the oil in fire-resistant fuel tank 38 is beaten to circulation, a part supply regeneration dress
It sets 33 or 34 to be purified, another part supply cooler 31 or 32 is cooled down, and final oil return is back to fire-resistant fuel tank 38.Separately
Outside, the electric heater 37 in fire-resistant fuel tank 38 is usually to use after the starting of fire resistant oil recirculation pump, prevents the static shape of oil
Hot-spot under state, when the oil temperature in fire-resistant fuel tank 38 is too low, oil temperature can be heated to 20 DEG C or more by electric heater 38, be given
The starting of fire resistant oil pump creates conditions.
In one embodiment, the fire resistant oil all the way in fire-resistant fuel tank 38 successively passes through the first fire resistant oil pump 27 (or second
Fire resistant oil pump 28), the first fire resistant oil is for oil screen 35 (or the second fire resistant oil is for oil screen 36), fire resistant oil fuel feeding electrically operated gate 9
Into Anti-fuel Oil System user.First fire resistant oil pump 27 and the usual mutual backup of the second fire resistant oil pump 28, but under certain condition,
It can also come into operation simultaneously.Similarly, the first fire resistant oil can also be each other for oil screen 36 for oil screen 35 and the second fire resistant oil
It is spare, it can also come into operation simultaneously.
Another way fire resistant oil in fire-resistant fuel tank 38 flows into the first fire resistant oil recirculation pump 29, and (or the second fire resistant oil follows again
30) ring pumps, beat circulation by the first fire resistant oil recirculation pump 29 (or second fire resistant oil recirculation pump 30), it is a part of by first again
Returned after generating apparatus 33 (perhaps the second regenerating unit 34) purification 38 another part of fire-resistant fuel tank by the first cooler 31 (or
Second cooler 32) carry out return fire-resistant fuel tank 38 after cooling.
Normally, thermal power plant's high pressure fireresistant oil system in the embodiment of the present invention further includes high pressure accumulator blowdown electrically operated gate
11, it is connected on the pipeline between high pressure accumulator entrance electrically operated gate 10 and high pressure accumulator 39, for exiting fortune in system
Automatic pollution discharge is carried out to high pressure accumulator 39 when row, needs to close high pressure accumulator entrance electrically operated gate 10 before blowdown starts.
It further include three buttons in above-mentioned power plant high pressure fireresistant oil system: high pressure fireresistant oil system program control logic
Operation button A1, fire resistant oil pump block push button A2 and recirculation pump block push button A3.
Using fire resistant oil pump block push button A2, the first fire resistant oil pump 27 and the second fire resistant oil pump 28 investment can be set automatically
Standby interlocking.After interlocking investment, if a wherein unit trip, another equipment can rapid interlocked startup, maintaining system just
Often operation.It similarly, can be automatically by the first fire resistant oil recirculation pump 29 and the second fire resistant oil using recirculation pump block push button A3
The interlocking of 30 used device of recirculation pump, when a wherein recirculation pump tripping, another recirculation pump, which can interlock rapidly, to be opened
It is dynamic, maintain system to operate normally.
The embodiment of the invention also provides a kind of start-up and shut-down control method of thermal power plant's high pressure fireresistant oil system, the start-up and shut-down control
The executing subject of method can be computer system etc..As shown in Fig. 2, the start-up and shut-down control method includes:
Step S101, judge whether the 1. entrance of the entrance electrically operated gate 1 of the first fire resistant oil pump 27 and the second fire resistant oil pump 28
Electrically operated gate 3 has been opened, and 2. and the entrance electrically operated gate 12 of the first fire resistant oil recirculation pump 29 and the second fire resistant oil recirculation pump 30 enter
4. and the entrance electrically operated gate of the first regenerating unit 33 mouthful electrically operated gate 14 has been opened, and 3. and regenerating unit entrance main pipe electrically operated gate has been opened,
22 and outlet electrically operated gate 23 opened, 5. and the entrance electrically operated gate 24 of the second regenerating unit 34 and outlet electrically operated gate 25 closed, 6. and
Cooler entrance main pipe electrically operated gate 16 has been closed, and 7. and the entrance electrically operated gate 17 of the first cooler 31 and outlet electrically operated gate 18 have been opened,
8. and the entrance electrically operated gate 19 and outlet electrically operated gate 20 of the second cooler 32 have been closed, 9. and the first fire resistant oil entering for oil screen 35
Mouthful electrically operated gate 5 and outlet electrically operated gate 6 have been opened, 10. and the second fire resistant oil for oil screen 36 entrance electrically operated gate 7 and outlet electrically operated gate 8
It has been closed that,And fire resistant oil fuel feeding electrically operated gate 9 has been closed,And high pressure accumulator entrance electrically operated gate 10 has been opened；And high-voltage energy-storage
Device blowdown electrically operated gate 11 has been closed.If thering is any one condition to be unsatisfactory in above-mentioned 13 conditions, or there are multiple conditions discontented
Foot, then carry out step S102, issues and opens the first fire resistant oil pump entrance electrically operated gate 1 and the second fire resistant oil pump entrance electrically operated gate 3
Instruction, and open the finger of the first fire resistant oil recirculation pump entrance electrically operated gate 12 and the second fire resistant oil recirculation pump entrance electrically operated gate 14
It enables, and opens the instruction of regenerating unit entrance main pipe electrically operated gate 21, and open the first regenerating unit entrance electrically operated gate 22 and outlet
The instruction of electrically operated gate 23, and close the second regenerating unit entrance electrically operated gate 24 and export the instruction of electrically operated gate 25, and close cooling
The instruction of device entrance main pipe electrically operated gate 16, and open the first cooler entrance electrically operated gate 17 and export the instruction of electrically operated gate 18, and
It closes the second cooler entrance electrically operated gate 19 and exports the instruction of electrically operated gate 20, and open the first fire resistant oil for oil screen entrance electricity
Dynamic door 5 and the instruction for exporting electrically operated gate 6, and the second fire resistant oil is closed for the finger of oil screen entrance electrically operated gate 7 and outlet electrically operated gate 8
It enables, and closes the instruction of fire resistant oil fuel feeding electrically operated gate 9.If the electrically operated gate of the unlatching is originally opened in step S101,
The open command received in step S102 can then be ignored；If the electrically operated gate that should be closed in step S101 is originally closed
It closes, then can ignore the out code received in step S102, similarly hereinafter.If above-mentioned 13 conditions all meet, carry out
Step S103.
Step S103, judge whether the first fire resistant oil recirculation pump 29 has been turned on.If the first fire resistant oil recirculation pump 29
It is inactive, issue the instruction (step S104) of the first fire resistant oil recirculation pump 29 of starting.If the first fire resistant oil recirculation pump 29
It has been turned on, carries out step S105.
Step S105, judge whether recirculation pump outlet main-piping pressure is greater than the first preset pressure value.If recirculation pump
It exports main-piping pressure and is greater than the first preset pressure value, carry out step S106.
In one embodiment, the first above-mentioned preset pressure value can use 0.1MPa.
Step S106, judge whether to have put into recirculation pump interlocking.If recirculation pump interlocking is not put into, investment is issued again
Circulating pump interlocking instruction (step S107).If recirculation pump interlocking has been put into, step S108 is carried out.
Step S108, judge whether the oil temperature in fire-resistant fuel tank 38 is greater than preset temperature.If the oil in fire-resistant fuel tank 38
Temperature is less than preset temperature, then issues the instruction (step S109) of starting electric heater 37, add to the fire resistant oil in fire-resistant fuel tank 38
Heat.If the oil temperature in fire-resistant fuel tank 38 is greater than preset temperature, step S110 is carried out.
Normally, preset temperature is 20 DEG C.
Step S110, judge whether that the first fire resistant oil pump 27 has been turned on, and electric heater 37 has stopped working.If first
Fire resistant oil pump 27 is inactive or electric heater 37 does not stop working or the first fire resistant oil pump 27 is inactive and electric heater 37 not
It stops working, then issues the instruction of the first fire resistant oil pump 27 of starting and the instruction (step S111) of electric heater out of service 37.
If the first fire resistant oil pump 27 has been turned on, and electric heater 37 has stopped working, and carries out step S112.
Step S112, judge whether fire resistant oil pump outlet main-piping pressure is greater than the second preset pressure value.If fire resistant oil pump
It exports main-piping pressure and is greater than the second preset pressure value, carry out step S113.
In one embodiment, the second above-mentioned preset pressure value takes 12MPa.
Step S113, judge whether to have put into fire resistant oil pump interlocking.If fire resistant oil pump interlocking is not put into, it is anti-to issue investment
The instruction (step S114) of fuel pump interlocking.If fire resistant oil pump interlocking has been put into, step S115 is carried out.
Step S115, judge whether cooler entrance main pipe electrically operated gate 16 has been opened.If cooler entrance main pipe electrically operated gate
16 do not open, issue the instruction (step S116) for opening cooler entrance main pipe electrically operated gate.
Start-up and shut-down control method shown in Fig. 2 is used to control the starting of thermal power plant's high pressure fireresistant oil system, therefore shown in Fig. 2 opens
Stop control method is properly termed as the starting step sequence of thermal power plant's high pressure fireresistant oil system.
Step S103~step S107 purpose is starting recirculation pump and judges whether its power output is normal.Step S108~
Step S109 if more than 20 DEG C, then starts fire resistant oil pump, if small for judging whether the oil temperature in fire-resistant fuel tank 38 is greater than 20 DEG C
In 20 DEG C, then starts electric heater heating fire resistant oil, prepare for starting fire resistant oil pump.Step S110~step S114 is for opening
Dynamic high pressure fireresistant oil pump, and judge whether its power output is normal.
In one embodiment, the enabled condition of starting step sequence is: 1. the oil level in fire-resistant fuel tank 38 is higher than default liquid level；②
Pressure in high pressure accumulator 39 is greater than a third preset pressure value.Normally, above-mentioned default liquid level is 500m, and third is default
Pressure value is 10MPa.That is, before carrying out step S101, need to prejudge whether the oil level in fire-resistant fuel tank 38 is higher than
Pressure in 500mm and high pressure accumulator 39 is greater than 10MPa and just allows to start in the case where the two conditions all meet.
The embodiment of the invention also provides a kind of start-up and shut-down control method of thermal power plant's high pressure fireresistant oil system, the start-up and shut-down control
The executing subject of method can be computer system etc..As shown in figure 3, the start-up and shut-down control method specifically includes that
Step S201, judge whether fire resistant oil pump interlocking and recirculation pump interlocking all have dropped out.If fire resistant oil pump interlocks
There is one not exit or two interlockings are not all exited with recirculation pump interlocking, issues and exit the instruction that fire resistant oil pump interlocks
And exit the instruction (step S202) of recirculation pump interlocking.If fire resistant oil pump interlocking has dropped out, and recirculation pump interlocks also
It exits, carries out step S203.
Step S203, judge whether the first fire resistant oil pump 27 and the second fire resistant oil pump 28 are out of service.If first
Have in fire resistant oil pump 27 and the second fire resistant oil pump 28 one it is not out of service, or both it is not out of service, then issue stopping fortune
The instruction of the first fire resistant oil pump of row 27 and the instruction (step S204) of the second fire resistant oil pump 28 out of service.If the first fire resistant oil
Pump 27 and the second fire resistant oil pump 28 are out of service, carry out step S205.
Step S205, judge whether the first fire resistant oil recirculation pump 29 and the second fire resistant oil recirculation pump 30 have stopped transporting
Row.If there is a pump not out of service or two in the first fire resistant oil recirculation pump 29 and the second fire resistant oil recirculation pump 30
Person is not out of service, then issue the first fire resistant oil recirculation pump 29 out of service instruction and the second fire resistant oil out of service
The instruction (step S206) of recirculation pump 30.
Start-up and shut-down control method shown in Fig. 3 is used to control the stopping of high pressure fireresistant oil system, therefore start-up and shut-down control shown in Fig. 3
Method can also become the stopping step of thermal power plant's high pressure fireresistant oil system.
In one embodiment, stop the enabled condition of step sequence are as follows: connect with mesohigh Anti-fuel Oil System of the embodiment of the present invention
Steam turbine and steam feed pump driving steam turbine tripped.That is, when above-mentioned steam turbine and steam feed pump drive steamer
Just allow to stop when machine has tripped.
Fig. 2 and start-up and shut-down control method shown in Fig. 3 are the program of moderate heat of embodiment of the present invention high-pressure power plant Anti-fuel Oil System
Control logic.Following functions may be implemented using the programed logic: under thermal power plant's high pressure fireresistant oil system full cut-off state,
Realize the automatic starting of high pressure fireresistant oil system；Under thermal power plant's high pressure fireresistant oil system running state, high pressure fireresistant oil is realized
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 unsatisfactory for, if people
To judge that the condition can be ignored, then the operation that leapfrog movement continues startup program can be carried out manually, until high pressure fireresistant oil
System starting finishes.
Each step of start-up and shut-down control method shown in Fig. 2 and Fig. 3, first judge feedback whether receive, if receiving after
It is continuous to carry out in next step；If do not received, received etc. to be feedback.When not receiving due feedback signal, programed logic
The step can be rested on, manual operation is waited.Power plant operations staff can find the current operation step unreceived feedback signal of sequence, people
To judge whether unreceived feedback signal influences continuing to execute for program programed logic.If the feedback signal does not influence to work as
Preceding programed logic continues, and operations staff can operate the execution that leapfrog movement continues programed logic；If should
Feedback signal influences continuing for present procedure control logic, then operations staff can be unsatisfied according to each found
Feedback signal targetedly goes investigation problem, until receiving the feedback signal, continues to execute programed logic.
It, can be in thermal power plant's high pressure fireresistant oil system full cut-off state by start-up and shut-down control method shown in Fig. 2 and Fig. 3
Under, realize the automatic starting of high pressure fireresistant oil system；Under thermal power plant's high pressure fireresistant oil system running state, high pressure fire-resistant is realized
Oil system is automatically stopped.
It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the present invention
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the present invention, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Specific embodiment is applied in the present invention, and principle and implementation of the present invention are described, above embodiments
Explanation be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art,
According to the thought of the present invention, there will be changes in the specific implementation manner and application range, in conclusion in this specification
Appearance should not be construed as limiting the invention.
Claims (6)
1. a kind of thermal power plant's high pressure fireresistant oil system start-up and shut-down control method is applied to a kind of thermal power plant's high pressure fireresistant oil system, institute
Stating thermal power plant's high pressure fireresistant oil system includes: that fire-resistant fuel tank, the first fire resistant oil pump, the second fire resistant oil pump, the first fire resistant oil follow again
Ring pump, the second fire resistant oil recirculation pump, the first regenerating unit, the second regenerating unit, the first cooler, the second cooler, electricity add
Hot device, high pressure accumulator, the first fire resistant oil are for oil screen, the second fire resistant oil for oil screen, fire resistant oil pump recycling pressure maintaining valve, again
Generating apparatus entrance main pipe electrically operated gate, cooler entrance main pipe electrically operated gate, high pressure accumulator entrance electrically operated gate and fire resistant oil fuel feeding electricity
Dynamic door；
The fire-resistant fuel tank receives the oil return of Anti-fuel Oil System user for storing fire resistant oil；It is set in the fire-resistant fuel tank
There is the electric heater, for heating to fire resistant oil；
It is anti-that described first is successively arranged on pipeline between the outlet at bottom and fire resistant oil fuel feeding electrically operated gate of the fire-resistant fuel tank
Fuel pump and the first fire resistant oil are for oil screen；Second fire resistant oil pump is connected in parallel with the first fire resistant oil pump, in the first fire-resistant
The entrance of the entrance of oil pump and the second fire resistant oil pump is respectively equipped with entrance electrically operated gate, anti-in the outlet of the first fire resistant oil pump and second
The outlet of fuel pump is respectively equipped with outlet non-return door；Second fire resistant oil is in parallel for oil screen with the first fire resistant oil for oil screen
Connection, is respectively equipped with entrance electrically operated gate for the entrance of oil screen for the entrance of oil screen and the second fire resistant oil in the first fire resistant oil,
Outlet electrically operated gate is respectively equipped with for the outlet of oil screen for the outlet of oil screen and the second fire resistant oil in the first fire resistant oil；
The fire resistant oil pump is equipped with again on pipeline between upper outlet and fire resistant oil pump the outlet main pipe of the fire-resistant fuel tank
Recycle pressure maintaining valve；
The high pressure accumulator is connected by pipeline and fire resistant oil for the outlet of oil screen, in the high pressure accumulator and fire resistant oil
High pressure accumulator entrance electrically operated gate is equipped with for the pipeline between oil screen；
Institute is successively arranged on pipeline between another outlet at bottom of the fire-resistant fuel tank and a upper entrance of fire-resistant fuel tank
State the first fire resistant oil recirculation pump, regenerating unit entrance main pipe electrically operated gate and the first regenerating unit；Second fire resistant oil follows again
Ring pump is connected in parallel with the first fire resistant oil recirculation pump, is recycled in the entrance of the first fire resistant oil recirculation pump and the second fire resistant oil
The entrance of pump is respectively equipped with entrance electrically operated gate, in the outlet of the first fire resistant oil recirculation pump and going out for the second fire resistant oil recirculation pump
Mouth is respectively equipped with outlet non-return door；Second regenerating unit is connected in parallel with the first regenerating unit, in the first regenerating unit
The entrance of entrance and the second regenerating unit is respectively equipped with entrance electrically operated gate, outlet and the second regenerating unit in the first regenerating unit
Outlet be respectively equipped with outlet electrically operated gate；
It is successively set on pipeline between another upper entrance of the outlet main pipe to the fire-resistant fuel tank of fire resistant oil recirculation pump
There are the cooler entrance main pipe electrically operated gate and the first cooler；Second cooler is connected in parallel with the first cooler,
The entrance of the entrance of first cooler and the second cooler is respectively equipped with entrance electrically operated gate, in the outlet of the first cooler and second
The outlet of cooler is respectively equipped with outlet electrically operated gate；
It is characterized in that, thermal power plant's high pressure fireresistant oil system start-up and shut-down control method includes:
The entrance electrically operated gate of the entrance electrically operated gate and the second fire resistant oil pump that judge whether the first fire resistant oil pump has been opened, and the first fire-resistant
The entrance electrically operated gate of oily recirculation pump and the entrance electrically operated gate of the second fire resistant oil recirculation pump have been opened, and regenerating unit entrance main pipe
Electrically operated gate has been opened, and the entrance electrically operated gate of the first regenerating unit and outlet electrically operated gate have been opened, and the entrance electricity of the second regenerating unit
Dynamic door and outlet electrically operated gate have been closed, and cooler entrance main pipe electrically operated gate has been closed, and the entrance electrically operated gate of the first cooler and are gone out
Mouth electrically operated gate has been opened, and the entrance electrically operated gate of the second cooler and outlet electrically operated gate have been closed, and the first fire resistant oil is for oil screen
Entrance electrically operated gate and outlet electrically operated gate have been opened, and the second fire resistant oil has been closed for the entrance electrically operated gate and outlet electrically operated gate of oil screen,
And fire resistant oil fuel feeding electrically operated gate has been closed, and high pressure accumulator entrance electrically operated gate has been opened, and high pressure accumulator blowdown electrically operated gate has been closed；
If it is not, then issuing the instruction for opening the first fire resistant oil pump entrance electrically operated gate and the second fire resistant oil pump entrance electrically operated gate, and open
The instruction of first fire resistant oil recirculation pump entrance electrically operated gate and the second fire resistant oil recirculation pump entrance electrically operated gate, and open regeneration dress
The instruction of posting port main pipe electrically operated gate, and open the first regenerating unit entrance electrically operated gate and export the instruction of electrically operated gate, and close
Second regenerating unit entrance electrically operated gate and the instruction for exporting electrically operated gate, and the instruction of cooler entrance main pipe electrically operated gate is closed, and
It opens the first cooler entrance electrically operated gate and exports the instruction of electrically operated gate, and close the second cooler entrance electrically operated gate and outlet electricity
The instruction of dynamic door, and the first fire resistant oil is opened for the instruction of oil screen entrance electrically operated gate and outlet electrically operated gate, and is closed second and resisted
Fuel feed strainer entrance electrically operated gate and the instruction for exporting electrically operated gate, and close the instruction of fire resistant oil fuel feeding electrically operated gate；
If so, judging whether the first fire resistant oil recirculation pump has been turned on；If the first fire resistant oil recirculation pump is inactive,
Issue the instruction of the first fire resistant oil recirculation pump of starting；
If the first fire resistant oil recirculation pump has been turned on, it is default to judge whether recirculation pump outlet main-piping pressure is greater than first
Pressure value；
If recirculation pump outlet main-piping pressure is greater than first preset pressure value, judge whether to have put into recirculation pump
Interlocking；If recirculation pump interlocking is not put into, investment recirculation pump interlocking instruction is issued；
If recirculation pump interlocking has been put into, judge whether the oil temperature in fire-resistant fuel tank is greater than preset temperature；If the fire-resistant
When oil temperature in fuel tank is less than the preset temperature, the instruction of starting electric heater is issued, to the fire-resistant in the fire-resistant fuel tank
Oil heating；
If the oil temperature in the fire-resistant fuel tank is greater than the preset temperature, judge whether that the first fire resistant oil pump has been turned on, and electricity
Heater has stopped working；If first fire resistant oil pump is inactive and/or the electric heater does not stop working, issue
Start the instruction of the first fire resistant oil pump and the instruction of electric heater out of service；
If first fire resistant oil pump has been turned on, and electric heater has stopped working, and judges that fire resistant oil pump exports main-piping pressure
Whether the second preset pressure value is greater than；
If fire resistant oil pump outlet main-piping pressure is greater than second preset pressure value, judge whether to have put into fire resistant oil pump
Interlocking；If fire resistant oil pump interlocking is not put into, the instruction of investment fire resistant oil pump interlocking is issued；
If fire resistant oil pump interlocking has been put into, judge whether cooler entrance main pipe electrically operated gate has been opened；If the cooler enters
Mouth main pipe electrically operated gate is not opened, and the instruction for opening cooler entrance main pipe electrically operated gate is issued.
2. thermal power plant's high pressure fireresistant oil system start-up and shut-down control method according to claim 1, which is characterized in that the thermoelectricity
Factory's high pressure fireresistant oil system start-up and shut-down control method further include:
Judge whether that fire resistant oil pump interlocking has dropped out, and recirculation pump interlocking has dropped out；If fire resistant oil pump interlocking is not exited,
And/or recirculation pump interlocking is not exited, and the instruction for exiting fire resistant oil pump interlocking is issued, and exits the instruction of recirculation pump interlocking；
If fire resistant oil pump interlocking has dropped out, and recirculation pump interlocking has dropped out, and judges the first fire resistant oil pump and the second fire resistant oil
It whether out of service pumps；If first fire resistant oil pump is not out of service and/or the second fire resistant oil pump does not stop transporting
Row issues the instruction of the first fire resistant oil pump out of service and the instruction of the second fire resistant oil pump out of service；
If first fire resistant oil pump and the second fire resistant oil pump are out of service, the first fire resistant oil recirculation pump and are judged
Whether two fire resistant oil recirculation pumps are out of service；If the first fire resistant oil recirculation pump is not out of service and/or
Two fire resistant oil recirculation pumps are not out of service, issue the instruction and out of service the of the first fire resistant oil recirculation pump out of service
The instruction of two fire resistant oil recirculation pumps.
3. thermal power plant's high pressure fireresistant oil system start-up and shut-down control method according to claim 1, which is characterized in that the thermoelectricity
Factory's high pressure fireresistant oil system start-up and shut-down control method further include:
Judge whether that the oil level in the fire-resistant fuel tank is higher than default liquid level, and the pressure in the high pressure accumulator is greater than third
Preset pressure value；
If the oil level in the fire-resistant fuel tank is greater than the default liquid level, and the pressure in the high pressure accumulator is greater than described
Third preset pressure value, then the entrance electrically operated gate of the entrance electrically operated gate and the second fire resistant oil pump that judge whether the first fire resistant oil pump is
It opens, and the entrance electrically operated gate of the first fire resistant oil recirculation pump and the entrance electrically operated gate of the second fire resistant oil recirculation pump have been opened, and again
Generating apparatus entrance main pipe electrically operated gate has been opened, and the entrance electrically operated gate of the first regenerating unit and outlet electrically operated gate have been opened, and second again
The entrance electrically operated gate and outlet electrically operated gate of generating apparatus have been closed, and cooler entrance main pipe electrically operated gate has been closed, and the first cooler
Entrance electrically operated gate and outlet electrically operated gate have been opened, and the entrance electrically operated gate of the second cooler and outlet electrically operated gate have been closed, and first is anti-
The entrance electrically operated gate of fuel feed strainer and outlet electrically operated gate have been opened, and the second fire resistant oil for oil screen entrance electrically operated gate and go out
Mouth electrically operated gate has been closed, and fire resistant oil fuel feeding electrically operated gate has been closed, and high pressure accumulator entrance electrically operated gate has been opened；And high pressure accumulator is arranged
Dirty electrically operated gate has been closed.
4. thermal power plant's high pressure fireresistant oil system start-up and shut-down control method according to claim 2, which is characterized in that the thermoelectricity
Factory's high pressure fireresistant oil system start-up and shut-down control method further include:
Judge whether that steam turbine and steam feed pump driving steam turbine have tripped；
If the steam turbine and steam feed pump driving steam turbine have tripped, judge whether that fire resistant oil pump interlocking has dropped out,
And recirculation pump interlocking has dropped out.
5. thermal power plant's high pressure fireresistant oil system start-up and shut-down control method according to claim 1, which is characterized in that described first
Preset pressure value is 0.1MPa, and the second preset pressure value is 12MPa, and the preset temperature is 20 DEG C.
6. thermal power plant's high pressure fireresistant oil system start-up and shut-down control method according to claim 3, which is characterized in that described default
Liquid level is 500mm, and the third preset pressure value is 10MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610860387.7A CN106237684B (en) | 2016-09-28 | 2016-09-28 | A kind of thermal power plant's high pressure fireresistant oil system and its start-up and shut-down control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610860387.7A CN106237684B (en) | 2016-09-28 | 2016-09-28 | A kind of thermal power plant's high pressure fireresistant oil system and its start-up and shut-down control method |
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| CN106237684A CN106237684A (en) | 2016-12-21 |
| CN106237684B true CN106237684B (en) | 2018-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610860387.7A Active CN106237684B (en) | 2016-09-28 | 2016-09-28 | A kind of thermal power plant's high pressure fireresistant oil system and its start-up and shut-down control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106765278B (en) * | 2017-01-22 | 2023-10-24 | 华北电力科学研究院有限责任公司 | Boiler fuel system of thermal power plant and start-stop control method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3586568B2 (en) * | 1998-07-22 | 2004-11-10 | 三菱重工業株式会社 | Hydraulic control device |
| CN102182520A (en) * | 2011-04-07 | 2011-09-14 | 长沙理工大学 | Turbine fire-resistant oil double-pump parallel type adjusting system with bypass regeneration |
| CN103511004A (en) * | 2013-09-17 | 2014-01-15 | 上海新力机器厂 | Closed electro-hydraulic actuator and assembly of closed electro-hydraulic actuator |
| CN206152449U (en) * | 2016-09-28 | 2017-05-10 | 华北电力科学研究院有限责任公司 | Anti fuel oil system of thermal power plant's high pressure |
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2016
- 2016-09-28 CN CN201610860387.7A patent/CN106237684B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3586568B2 (en) * | 1998-07-22 | 2004-11-10 | 三菱重工業株式会社 | Hydraulic control device |
| CN102182520A (en) * | 2011-04-07 | 2011-09-14 | 长沙理工大学 | Turbine fire-resistant oil double-pump parallel type adjusting system with bypass regeneration |
| CN103511004A (en) * | 2013-09-17 | 2014-01-15 | 上海新力机器厂 | Closed electro-hydraulic actuator and assembly of closed electro-hydraulic actuator |
| CN206152449U (en) * | 2016-09-28 | 2017-05-10 | 华北电力科学研究院有限责任公司 | Anti fuel oil system of thermal power plant's high pressure |
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| Publication number | Publication date |
|---|---|
| CN106237684A (en) | 2016-12-21 |
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