CN106253581B - Thermal power plant's Generator Stator Cooling water system and its start-up and shut-down control method - Google Patents
Thermal power plant's Generator Stator Cooling water system and its start-up and shut-down control method Download PDFInfo
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- CN106253581B CN106253581B CN201610860388.1A CN201610860388A CN106253581B CN 106253581 B CN106253581 B CN 106253581B CN 201610860388 A CN201610860388 A CN 201610860388A CN 106253581 B CN106253581 B CN 106253581B
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- 239000000498 cooling water Substances 0.000 title claims abstract description 384
- 238000000034 method Methods 0.000 title claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 170
- 230000003020 moisturizing effect Effects 0.000 claims abstract description 132
- 238000003860 storage Methods 0.000 claims abstract description 69
- 239000007788 liquid Substances 0.000 claims description 21
- 230000005611 electricity Effects 0.000 claims description 16
- 238000001816 cooling Methods 0.000 claims description 8
- 238000010248 power generation Methods 0.000 claims description 7
- 230000003111 delayed effect Effects 0.000 claims description 5
- 238000005342 ion exchange Methods 0.000 claims 2
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 9
- 238000004590 computer program Methods 0.000 description 7
- 230000006870 function Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 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
- 239000008400 supply water Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
- H02K9/193—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil with provision for replenishing the cooling medium; with means for preventing leakage of the cooling medium
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The present invention provides a kind of thermal power plant's Generator Stator Cooling water system and its start-up and shut-down control method, which includes：Stator cooling water case, first stator cooling water pumps, second stator cooling water pumps, first cooler, second cooler, stator cooling water thermostat valve, stator cooling water flow control valve, stator cooling water strainer for feed water, strainer for feed water bypasses electrically operated gate, ion-exchanger, ion-exchanger moisturizing electrically operated gate, ion-exchanger moisturizing strainer, moisturizing strainer bypasses electrically operated gate, determine cold water storage cistern moisturizing electrically operated gate, determine cold water storage cistern moisturizing tune valve, determine cold water storage cistern moisturizing bypass electrically operated gate and anti-siphon electrically operated gate.The present invention can realize the automatic startup of Stator Condense Water System under Stator Condense Water System full cut-off state；Under Stator Condense Water System operating status, being automatically stopped for Stator Condense Water 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 Generator Stator Cooling technologies, cold especially with regard to a kind of thermal power plant's generator unit stator
But water system and its start-up and shut-down control method.
Background technology
The major function of thermal power plant's Generator Stator Cooling water system is to ensure that cooling water flows through stator coil incessantly
Inside, to take away electricity generator stator coil heat caused by loss, to ensure that the Wen Sheng of stator coil meets power generation
The related requirement of machine operation.But existing thermal power plant's Generator Stator Cooling water system, under full cut-off state, it is fixed to cannot achieve
The automatic startup of sub- cooling water；Also the automatic of Stator Condense Water System can not be realized under Stator Condense Water System operating status
Stop；And when Stator Condense Water System startup program is carried out to a certain step, if the step sequence condition is unsatisfactory for, startup can not be made
Program continues to run with.
Invention content
In order to solve the above technical problems, the present invention provides a kind of thermal power plant's Generator Stator Cooling water system and its start and stop
Control method.
One aspect of the present invention provides a kind of thermal power plant's Generator Stator Cooling water system, thermal power plant's generator unit stator
Cooling water system includes：Stator cooling water case, the first stator cooling water pump, the second stator cooling water pump, the first cooler, second
Cooler, stator cooling water thermostat valve, stator cooling water flow control valve, stator cooling water strainer for feed water, strainer for feed water bypass
Electrically operated gate, ion-exchanger, ion-exchanger moisturizing electrically operated gate, ion-exchanger moisturizing strainer, moisturizing strainer bypass electrically operated gate,
Determine cold water storage cistern moisturizing electrically operated gate, determines cold water storage cistern moisturizing tune valve, determines cold water storage cistern moisturizing bypass electrically operated gate and anti-siphon electrically operated gate；
The stator cooling water case is connected by the return pipe of two-way pipeline and electricity generator stator coil, wherein a pipe
Anti-siphonage pipe throttle orifice and anti-siphon electrically operated gate are equipped on road successively, the stator cooling water case is withdrawn by another back of pipeline
Water；
Pass through with the stator cooling water case after the first stator cooling water pump, the second stator cooling water parallel connection of pumps connection
Pipeline connects；It is electronic it to be respectively equipped with entrance in the entrance of first stator cooling water pump and the entrance of the second stator cooling water pump
Door is respectively equipped with outlet electrically operated gate in the outlet of first stator cooling water pump and the outlet of the second stator cooling water pump；
First cooler and the second cooler be connected in parallel an entrance of the stator cooling water thermostat valve with
On pipeline between stator cooling water pump discharge main pipe；The stator cooling water pump discharge main pipe also passes through pipeline and the stator
Another entrance of cooling water temperature control valve connects；It is respectively equipped in the entrance of first cooler and the entrance of the second cooler
Entrance electrically operated gate is respectively equipped with outlet electrically operated gate in the outlet of first cooler and the outlet of the second cooler；
The stator cooling water flow control valve, stator cooling water strainer for feed water are successively set on the stator cooling water temperature
On the pipeline being exported between the collecting pipe of electricity generator stator coil for controlling valve；The strainer for feed water bypass electrically operated gate and stator are cold
But water strainer for feed water is connected in parallel, and entrance electrically operated gate and outlet electricity are respectively equipped at the both ends of the stator cooling water strainer for feed water
Dynamic door；
The ion-exchanger moisturizing electrically operated gate, ion-exchanger are successively set on going out for the stator cooling water thermostat valve
On mouth to the pipeline of the stator cooling water case；The ion-exchanger moisturizing strainer is connect by pipeline with ion-exchanger,
The moisturizing strainer bypass electrically operated gate is connected in parallel with ion-exchanger moisturizing strainer, in the ion-exchanger moisturizing strainer
Both ends are respectively equipped with entrance electrically operated gate and outlet electrically operated gate；
It is described determine cold water storage cistern moisturizing electrically operated gate it is in parallel with cold water storage cistern moisturizing bypass electrically operated gate is determined after to be connected to the stator cold
But water tank, it is described to determine cold water storage cistern moisturizing tune valve and be arranged in the exit for determining cold water storage cistern moisturizing electrically operated gate.
In one embodiment, the cooling water in the stator cooling water case passes through the first stator cooling water and pumps successively all the way
And/or second cooling water pump, the first cooler and/or the second cooler enter one of the stator cooling water thermostat valve and enter
Mouthful, another way is pumped by the first stator cooling water and/or the second cooling water pump is directly entered the stator cooling water thermostat valve
Another entrance.
In one embodiment, pass through successively all the way from the cooling water of the outlet outflow of the stator cooling water thermostat valve described
Stator cooling water flow control valve, stator cooling water strainer for feed water and/or strainer for feed water bypass electrically operated gate enter generator unit stator
The collecting pipe of coil；Another way is cold into the stator by the ion-exchanger moisturizing electrically operated gate, ion-exchanger successively
But water tank.
In one embodiment, the sub- Stator Condense Water System of thermal power plant's power generation has two-way moisturizing, and it is described fixed to pass through all the way
Cold water storage cistern moisturizing electrically operated gate and/or determines cold water storage cistern moisturizing bypass electrically operated gate and directly mend to the stator cooling water case；Another way passes through
It crosses the ion-exchanger moisturizing strainer and/or moisturizing strainer bypass electrically operated gate is mended to the ion-exchanger.
In one embodiment, thermal power plant's Generator Stator Cooling water system further includes：Determine cold water storage cistern blowdown manually operated door,
For carrying out manual blowdown to the stator cooling water case.
In one embodiment, thermal power plant's Generator Stator Cooling water system further includes：Ion-exchanger blowdown is manual
Door, for carrying out manual blowdown to the ion-exchanger.
In one embodiment, thermal power plant's Generator Stator Cooling water system further includes：Stator Condense Water System program
Control logic button and stator cooling water pump block push button.
Another aspect of the present invention additionally provides a kind of start-up and shut-down control method of thermal power plant's Generator Stator Cooling water system, institute
The start-up and shut-down control method for stating thermal power plant's Generator Stator Cooling water system includes：
Judge whether to determine cold water storage cistern moisturizing electrically operated gate and determine cold water storage cistern moisturizing tune valve to have opened, and determines cold water storage cistern moisturizing bypass
Electrically operated gate has been closed, and ion-exchanger moisturizing electrically operated gate has been opened, and the entrance electrically operated gate of ion-exchanger moisturizing strainer and outlet
Electrically operated gate has been opened, and moisturizing strainer bypass electrically operated gate has been closed；If it is not, then sending out, unlatching is described to determine cold water storage cistern moisturizing electrically operated gate
And determine the instruction of cold water storage cistern moisturizing tune valve, and close it is described determine cold water storage cistern moisturizing bypass electrically operated gate instruction, and open described in from
The instruction of sub- exchanger moisturizing electrically operated gate, and open the entrance electrically operated gate and outlet electrically operated gate of the ion-exchanger moisturizing strainer
Instruction, and close the instruction of moisturizing strainer bypass electrically operated gate；
If so, judging whether the liquid level in stator cooling water case is higher than default liquid level；If the stator cooling water case
Interior liquid level be less than the default liquid level, send out by it is described determine cold water storage cistern moisturizing tune valve throw automatically instruct and close the ion
The instruction of exchanger moisturizing electrically operated gate；
If the liquid level in the stator cooling water case is higher than the default liquid level, judge whether that the first stator cooling water pumps
Entrance electrically operated gate and the second stator cooling water pump entrance electrically operated gate opened, and the first stator cooling water pump outlet it is electronic
The outlet electrically operated gate of door and the second stator cooling water pump has been closed, and the entrance electrically operated gate of the first cooler, outlet electrically operated gate are equal
It has been opened that, and the entrance electrically operated gate of the second cooler, outlet electrically operated gate have been closed, and the entrance of stator cooling water strainer for feed water is electronic
Door, outlet electrically operated gate have been opened, and strainer for feed water bypass electrically operated gate has been closed, and anti-siphon electrically operated gate has been opened, and stator cooling water
Thermostat valve has been thrown automatically, and stator cooling water flow control valve has been thrown automatically；The first stator cooling is opened if not, sending out
The instruction of pump entrance electrically operated gate and the second stator cooling water pump intake electrically operated gate, and close first stator cooling water and pump out
The instruction of mouth electrically operated gate and the second stator cooling water pump discharge electrically operated gate, and open the first cooler entrance electrically operated gate and go out
The instruction of mouth electrically operated gate, and the instruction of the second cooler entrance electrically operated gate and outlet electrically operated gate is closed, and unlatching is described fixed
The instruction of sub- cooling water strainer entrance electrically operated gate and outlet electrically operated gate, and close the finger of the strainer for feed water bypass electrically operated gate
It enables, and opens the instruction of the anti-siphon electrically operated gate, and the stator cooling water thermostat valve is thrown into automatically instruction, and will be described
Stator cooling water flow control valve throws automatically instruction；
If so, judging whether the first stator cooling water pump has been turned on；If the first stator cooling water pump is not
Start, sends out the instruction for starting the first stator cooling water pump；
If the first stator cooling water pump has been turned on, judge whether the pressure of stator cooling water pump discharge main pipe is more than
Preset pressure value；
If the pressure of the stator cooling water pump discharge main pipe is more than the preset pressure value, first stator is judged
Whether the outlet electrically operated gate of cooling water pump has been opened；If the outlet electrically operated gate of the first stator cooling water pump is not opened, send out out
Open the instruction of the first stator cooling water pump discharge electrically operated gate；
If the outlet electrically operated gate of the first stator cooling water pump has been opened, judge whether to have put into stator cooling water pump connection
Lock；If stator cooling water pump interlocking is not put into, the instruction of input stator cooling water pump interlocking is sent out.
In one embodiment, the start-up and shut-down control method of thermal power plant's Generator Stator Cooling water system further includes：
Judge generator whether off-the-line and be delayed reach default delay time；
If the generator off-the-line and be delayed reach the default delay time, judge stator cooling water pump interlocking be
It is no to have dropped out；If stator cooling water pump interlocking is not exited, sends out and exit stator cooling water pump interlocking instruction；
If stator cooling water pump interlocking has dropped out, judge whether the first stator cooling water pump and the cooling of the second stator
Water pump is out of service；If the first stator cooling water pump and/or the second stator cooling water pump be not out of service, send out
The instruction of first stator cooling water pump out of service and the instruction of the second stator cooling water out of service pump；
If the first stator cooling water pump and the second stator cooling water pump are out of service, it is described fixed to judge whether
Sub- cooling water temperature control valve, stator cooling water flow control valve and determines cold water storage cistern moisturizing tune valve and have dropped out automatic running；If institute
It states stator cooling water thermostat valve, stator cooling water flow control valve and determines have at least one do not exit certainly in cold water storage cistern moisturizing tune valve
Dynamic operation sends out and exits stator cooling water thermostat valve and automatically instruct, and exits stator cooling water flow control valve and automatically refer to
It enables, and exits and determine cold water storage cistern moisturizing tune valve and automatically instruct.
In one embodiment, the default liquid level is 800mm.
In one embodiment, described to determine cold water storage cistern moisturizing tune valve to throw automatic setting value to be 600mm, the stator cooling water
It is 40 DEG C that thermostat valve, which throws automatic setting value, and it is 120t/h that the stator cooling water flow control valve, which throws automatic setting value,.
In one embodiment, the preset pressure value is 0.85MPa.
In one embodiment, the default delay time is 30min.
The beneficial effects of the present invention are：Thermal power plant's Generator Stator Cooling water system provided in an embodiment of the present invention and its
Start-up and shut-down control method can realize oneself of Stator Condense Water System under thermal power plant's Generator Stator Cooling water system full cut-off state
It is dynamic to start；Under thermal power plant's Generator Stator Cooling water system operating status, being automatically stopped for Stator Condense Water System is realized；And
And artificial judgement is taken into account, the leapfrog operation of thermal power plant's Generator Stator Cooling water system programed logic may be implemented, work as journey
Whether the condition of a certain step of sequence control logic, which does not meet, leads to walk sequence when can not carry out, Rule of judgment can artificially can ignore
And leapfrog action is operated, continue the operation of programed logic and is finished until starting.
Description of the drawings
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 technology 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
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram of thermal power plant of embodiment of the present invention Generator Stator Cooling water system；
Fig. 2 is the start-up and shut-down control method flow diagram of thermal power plant of embodiment of the present invention Generator Stator Cooling water system；
Fig. 3 is the start-up and shut-down control method flow diagram of another embodiment of the present invention thermal power plant Generator Stator Cooling water system.
Drawing reference numeral：
1. 2. first stator cooling water pump discharge electrically operated gate of the first stator cooling water pump intake electrically operated gate
3. 4. second stator cooling water pump discharge electrically operated gate of the second stator cooling water pump intake electrically operated gate
5. 6. first cooler outlet electrically operated gate of the first cooler entrance electrically operated gate
7. 8. second cooler outlet electrically operated gate of the second cooler entrance electrically operated gate
9. 10. stator cooling water flow control valve of stator cooling water thermostat valve
11. 12. stator cooling water strainer for feed water of stator cooling water strainer for feed water entrance electrically operated gate exports electrically operated gate
13. stator cooling water water supply road network bypasses 14. ion-exchanger moisturizing electrically operated gate of electrically operated gate
15. 16. ion-exchanger make-up water percentage net of ion-exchanger make-up water percentage web portal electrically operated gate exports electrically operated gate
17. ion-exchanger make-up water percentage net bypass electrically operated gate 18. determines cold water storage cistern moisturizing electrically operated gate
19. determining cold water storage cistern moisturizing tune valve 20. determines cold water storage cistern moisturizing bypass electrically operated gate
21. anti-siphon electrically operated gate 22. determines cold water storage cistern blowdown manually operated door
23. 24. first stator cooling water of ion-exchanger blowdown manually operated door pumps
25. the second stator cooling water pumps 26. first coolers
27. 28. anti-siphonage pipe throttle orifice of the second cooler
29. 30. stator cooling water strainer for feed water of ion-exchanger moisturizing strainer
31. 32. ion-exchanger of stator cooling water case
Specific implementation mode
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 describes, 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, thermal power plant's Generator Stator Cooling water system of the embodiment of the present invention include stator cooling water case 31,
First stator cooling water pumps the 24, second stator cooling water and pumps the 25, first cooler 26, the second cooler 27, stator cooling water temperature
Valve 9, stator cooling water flow control valve 10, stator cooling water strainer for feed water 30, strainer for feed water bypass electrically operated gate 13, ion is controlled to hand over
It is parallel operation 32, ion-exchanger moisturizing electrically operated gate 14, ion-exchanger moisturizing strainer 29, moisturizing strainer bypass electrically operated gate 17, fixed cold
Water tank moisturizing electrically operated gate 18 determines cold water storage cistern moisturizing tune valve 19, determines cold water storage cistern moisturizing bypass electrically operated gate 20 and anti-siphon electrically operated gate 21.
Stator cooling water case 31 is connect by two-way pipeline with electricity generator stator coil return pipe, wherein on a pipeline
It is equipped with anti-siphonage pipe throttle orifice 28 and anti-siphon electrically operated gate 21 successively, stator cooling water case 31 is withdrawn by another back of pipeline
Water.
When generator on-load, for stator coil because loss generates heat, stator cooling water flows through stator coil hollow core conductor,
It takes away heat and plays cooling effect.Stator cooling water case 31 recycles the return water for the heat content being discharged from electricity generator stator coil, and
Water source as stator cooling water pump.
First stator cooling water pumps after the 24, second stator cooling water pump 25 is connected in parallel and stator cooling water case passes through pipeline
Connection.It is equipped with entrance electrically operated gate 1 in the entrance of the first stator cooling water pump 24, is equipped in the entrance of the second stator cooling water pump 25
Entrance electrically operated gate 3 is respectively equipped with outlet in the outlet of the first stator cooling water pump 24 and the outlet of the second stator cooling water pump 25
Electrically operated gate 2 and outlet electrically operated gate 4.
First cooler 26 and the second cooler 27 are connected in an entrance and stator for stator cooling water thermostat valve 9 in parallel
Cooling water pump exports on the pipeline between main pipe.Stator cooling water pump discharge main pipe also passes through pipeline and stator cooling water thermostat valve
9 another entrance connection.It is respectively equipped with entrance electrically operated gate 5 in the entrance of the first cooler 26 and the entrance of the second cooler 27
And entrance electrically operated gate 7, it is respectively equipped with outlet electrically operated gate 6 in the outlet of the first cooler 26 and the outlet of the second cooler 27 and goes out
Mouth electrically operated gate 8.
Stator cooling water flow control valve 10, stator cooling water strainer for feed water 30 are successively set on stator cooling water thermostat valve
On 9 pipeline being exported between the collecting pipe of electricity generator stator coil.Strainer for feed water bypasses electrically operated gate 13 and stator cooling water
Strainer for feed water 30 is connected in parallel, and is respectively equipped with entrance electrically operated gate 11 at the both ends of stator cooling water strainer for feed water 30 and is exported electronic
Door 12.
Ion-exchanger moisturizing electrically operated gate 14 and ion-exchanger 32 are successively set on the outlet of stator cooling water thermostat valve 9
To the pipeline of stator cooling water case 31.Ion-exchanger moisturizing strainer 29 is connect by pipeline with ion-exchanger 32, moisturizing
Strainer bypass electrically operated gate 17 is connected in parallel with ion-exchanger moisturizing strainer 29, at the both ends of ion-exchanger moisturizing strainer 29 point
It She You not entrance electrically operated gate 15 and outlet electrically operated gate 16.
Determine to be connected to stator cooling water after cold water storage cistern moisturizing electrically operated gate 18 is in parallel with cold water storage cistern moisturizing bypass electrically operated gate 20 is determined
Case 31 is determined cold water storage cistern moisturizing tune valve 20 and is arranged in the exit for determining cold water storage cistern moisturizing electrically operated gate 18.
As shown in Figure 1, it is necessary to be additionally provided with other in thermal power plant of embodiment of the present invention Generator Stator Cooling water system
Pipeline, valve and related thermal technology's measuring point etc..
Using thermal power plant's Generator Stator Cooling water system provided in an embodiment of the present invention, major function is to ensure cooling
Water flows through inside stator coil incessantly, to take away electricity generator stator coil heat caused by loss, to ensure
The Wen Sheng of stator coil meets the related request of generator operation.Meanwhile the Stator Condense Water System also achieves and determines entering
The control of the parameters such as pressure, temperature, the electrical conductivity of flow, water of the water of subcoil, makes its operating index meet design requirement.It is fixed
Sub- cooling water pump 24 and/or 25 gets the cooling water exported in stator cooling water case boosting, is controlled by stator cooling water thermostat valve 9
It makes a part of cooling water and flows through the heat exchange cooling of cooler 26 and/or 27.The water sub-fraction warp that stator cooling water thermostat valve 9 exports
It crosses ion-exchanger 32 and is back to stator cooling water case 31, reduce conductivity；Major part passes through stator cooling water flow control valve
10, it is miscellaneous by being filtered again through stator cooling water strainer for feed water 30 after the control cooling water flow of stator cooling water flow control valve 10
The heat of electricity generator stator coil is taken out of into the collecting pipe of electricity generator stator coil and returns stator cooling water case 31 by matter,
Complete a closed cycle.Stator Condense Water System in the embodiment of the present invention has two-way moisturizing, directly mends all the way cold to stator
But water tank 31 are generally used for starting moisturizing and emergency water compensating；In addition it is mended all the way to ion-exchanger 32, belongs to normal operation benefit
Water.The anti-siphon electrically operated gate 21 of Stator Condense Water System be used for balanced water returning pipe and stator cooling water case 31 pressure, prevent be
System moment cuts off the water supply caused siphonic effect, protects generator not overtemperature.
In one embodiment, the cooling water in stator cooling water case 31 passes through the first stator cooling water pump 24 successively all the way
(either the second cooling water pump 25), the first cooler 26 (or second cooler 27) enter the one of stator cooling water thermostat valve 9
A entrance, another way pump 24 (or second cooling water pumps 25) by the first stator cooling water and are directly entered stator cooling water temperature control
Another entrance of valve 9.First stator cooling water pump 24 and the second stator cooling water pump 25 are usually spare each other, but pledge love one
Under condition, it can also come into operation simultaneously.Similarly, the first cooler 26 and the second cooler 27 can also be spare each other, can also
It comes into operation simultaneously.
Cooling water into stator cooling water thermostat valve 9 is flowed out from its outlet, from the outlet stream of stator cooling water thermostat valve 9
The cooling water gone out all the way successively pass through stator cooling water flow control valve 10, stator cooling water strainer for feed water 30 (or supply water filter
Net bypass electrically operated gate 13) into the collecting pipe of electricity generator stator coil, another way passes through ion-exchanger moisturizing electrically operated gate successively
14, ion-exchanger 32 enters stator cooling water case 31.
Above-mentioned stator cooling water thermostat valve 9 can be a valve folding adjustable triple valve of amplitude, can pass through adjusting
The folding amplitude of valve further adjusts the temperature of water.
In one embodiment, the sub- Stator Condense Water System of thermal power plant of embodiment of the present invention power generation has two-way moisturizing, passes through all the way
It crosses and determines cold water storage cistern moisturizing electrically operated gate 18 (or determining cold water storage cistern moisturizing bypass electrically operated gate 20) direct benefit to stator cooling water case 31, separately
Pass through ion-exchanger moisturizing strainer 29 (or moisturizing strainer bypasses electrically operated gate 17) all the way to mend to ion-exchanger 32, through passing through
Ion-exchanger 32 flows into stator cooling water case 31, reduces the conductivity of water.
Normally, thermal power plant's Generator Stator Cooling water system in the embodiment of the present invention further includes determining cold water storage cistern blowdown hand
Dynamic door 22, for carrying out manual blowdown to stator cooling water case 31 when system is out of service.
Thermal power plant's Generator Stator Cooling water system in the embodiment of the present invention further includes that an ion-exchanger blowdown is manual
Door 32 for carrying out manual blowdown to ion-exchanger 32 need example exchanger moisturizing electrically operated gate when manual blowdown
14 close, or carry out blowdown again after system is out of service.
In one embodiment, above-mentioned thermal power plant's Generator Stator Cooling water system further includes Stator Condense Water System program
Control logic button A1 and stator cooling water pump block push button A2.
It, can be automatically by 25 input of the first stator cooling water pump 24 and the second stator cooling water pump using above-mentioned block push button
Equipment interlocking.When interlock put into after, if a wherein unit trip, another equipment can rapid interlocked startup, maintain system
Normal operation.
The embodiment of the present invention additionally provides a kind of start-up and shut-down control method of thermal power plant's Generator Stator Cooling water system, this is opened
The executive agent of stop control method can be computer system etc..As shown in Fig. 2, the start-up and shut-down control method includes：
Step S1, judge whether 1. to determine cold water storage cistern moisturizing electrically operated gate 18 and determine cold water storage cistern moisturizing tune valve 19 to have opened, 2. and
Determine cold water storage cistern moisturizing bypass electrically operated gate 20 to have closed, 3. and ion-exchanger moisturizing electrically operated gate 14 has been opened, and 4. and ion-exchanger is mended
The entrance electrically operated gate 15 and outlet electrically operated gate 16 of water screen 29 have been opened, and 5. and moisturizing strainer bypass electrically operated gate 17 has been closed.If
Any one condition is unsatisfactory in above-mentioned condition, then carries out step S2, is sent out unlatching and is determined cold water storage cistern moisturizing electrically operated gate 18 and determine cold
The instruction of water tank moisturizing tune valve 19, and the instruction for determining cold water storage cistern moisturizing bypass electrically operated gate 20 is closed, and open ion-exchanger and mend
The instruction of water electrically operated gate 14, and open the entrance electrically operated gate 15 of ion-exchanger moisturizing strainer 29 and export the finger of electrically operated gate 16
It enables, and closes the instruction of moisturizing strainer bypass electrically operated gate 17.If the electrically operated gate that should be opened in step S1 is originally opened
, then the open command received in step S2 can be ignored；If the electrically operated gate that should be closed in step S1 is originally closed
, then the out code received in step S2 can be ignored, similarly hereinafter.If above-mentioned 5 conditions meet simultaneously, step is carried out
S3。
Step S3, judge the liquid level in stator cooling water case 31 whether higher than default liquid level.If stator cooling water case 31
Interior liquid level is less than default liquid level, and cold water storage cistern moisturizing tune valve 19 will be determined by, which sending out, throws automatically instruction and close ion-exchanger moisturizing
The instruction (step S4) of electrically operated gate 14.If the liquid level in stator cooling water case 31 is higher than default liquid level, step S5 is carried out.
In one embodiment, above-mentioned default liquid level is 800mm, determine cold water storage cistern moisturizing tune valve 19 and throw automatic setting value be
600mm。
Step S5, judge whether the 1. entrance electrically operated gate 1 of the first stator cooling water pump 24 and the second stator cooling water pump 25
Entrance electrically operated gate 3 opened, 2. and the outlet electrically operated gate 2 of the first stator cooling water pump 24 and second stator cooling water pump 25
Outlet electrically operated gate 4 has been closed, and 3. and the entrance electrically operated gate 5 of the first cooler 26, outlet electrically operated gate 6 have been opened, and 4. and second is cold
But the entrance electrically operated gate 7 of device 27, outlet electrically operated gate 8 closed, 5. and the entrance electrically operated gate 11 of stator cooling water strainer for feed water 30,
Outlet electrically operated gate 12 has been opened, and 6. and strainer for feed water bypass electrically operated gate 13 has been closed, and 7. and anti-siphon electrically operated gate 21 has been opened, 8. and fixed
Sub- cooling water temperature control valve 9 has been thrown automatically, and 9. and stator cooling water flow control valve 10 has been thrown automatically.If in above-mentioned 9 conditions
It is unsatisfactory for there are one condition, then sends out the entrance electrically operated gate 1 for opening the first stator cooling water pump 24 and the second stator cooling water pump
The instruction of 25 entrance electrically operated gate 3, and close the outlet electrically operated gate 2 and the second stator cooling water pump of the first stator cooling water pump 24
The instruction of 25 outlet electrically operated gate 4, and the instruction of the entrance electrically operated gate 5 and outlet electrically operated gate 6 of the first cooler 26 is opened, and close
The instruction of the entrance electrically operated gate 7 and outlet electrically operated gate 8 of the second cooler 27 is closed, and opens entering for stator cooling water strainer for feed water 30
The instruction of mouth electrically operated gate 11 and outlet electrically operated gate 12, and the instruction of strainer for feed water bypass electrically operated gate 13 is closed, and the anti-siphon of unlatching
The instruction of electrically operated gate 21, and stator cooling water thermostat valve 9 is thrown into automatic instruction, and stator cooling water flow control valve 10 is thrown
Automatically instruction (step S6).If above-mentioned 9 conditions meet simultaneously, step S7 is carried out.
Before opening stator cooling water pump 24 or 25, it usually needs close the outlet electrically operated gate of water pump, in this way may be used
Keep the start-up course of cooling water pump more smooth.
In one embodiment, it is 40 DEG C that stator cooling water thermostat valve 9, which throws automatic setting value, stator cooling water flow control valve
10 throw automatic setting value as 120t/h, and unit t/h indicates flow (ton) hourly.
Step S7, judge whether the first stator cooling water pump 24 has been turned on.If the first stator cooling water pump 24 is not actuated,
Send out the instruction (step S8) for starting the first stator cooling water pump 24.If the first stator cooling water pump 24 has been turned on, walked
Rapid S9.The pump that the runs when embodiment of the present invention is only normal operation with the first cooling water pump 24, the second cooling water pump 25 is as the
One cooling water pump 24 it is spare for illustrate, limitation of the present invention is not intended to, in practical application, the first cooling water
Pump 24 can be spare each other with the second cooling water pump 25.
Step S9, judge whether the pressure of stator cooling water pump discharge main pipe is more than preset pressure value.If stator cools down
The pressure of exit of pump main pipe is more than preset pressure value, then carries out step S10.
In one embodiment, above-mentioned preset pressure value usually takes 0.85MPa.
Step S10, judge whether the outlet electrically operated gate 2 of the first stator cooling water pump 24 has been opened, if the first stator cools down
The outlet electrically operated gate 2 of water pump 24 is not opened, and the instruction (step for the outlet electrically operated gate 2 for opening the first stator cooling water pump 24 is sent out
S11).If the outlet electrically operated gate 2 of the first stator cooling water pump 24 has been opened, step S12 is entered step.
Step 12 judges whether to have put into stator cooling water pump interlocking, is not put into if fruit cooling water pump interlocks, send out throwing
Enter the instruction (step 13) of stator cooling water pump interlocking.
Startup of the start-up and shut-down control method shown in Fig. 2 for controlling thermal power plant's Generator Stator Cooling water system, therefore Fig. 2 institutes
The start-up and shut-down control method shown is properly termed as the startup step sequence of thermal power plant's Generator Stator Cooling water system.
The purpose of step S1~step S4 is to carry out moisturizing to Stator Condense Water System, passes through stator cooling water case 31 all the way
Direct moisturizing passes through 32 moisturizing of ion-exchanger all the way.Step S5, the purpose of step S6 is the pipe that Stator Condense Water System is connected
Road, the water in stator cooling water case 31 out is after 24 boosting of the first stator cooling water pump, successively through subcooler 26, stator
Cooling water temperature control valve 9, a part are back to stator cooling water case 31 via ion-exchanger 32, and major part passes through stator cooling water
Flow control valve 10 reaches electricity generator stator coil entrance through stator cooling water strainer for feed water 30 again, is finally exported by stator coil
It is back to stator cold water storage cistern 31, completes a closed loop cycle.Step S7~step 13 purpose is to complete opening for stator cooling water pump
Dynamic and interlocking is devoted oneself to work.
The embodiment of the present invention also provides a kind of start-up and shut-down control method of thermal power plant's Generator Stator Cooling water system, the start and stop
The executive agent of control method can be computer system etc..As shown in figure 3, the start-up and shut-down control method includes mainly following step
Suddenly：
Step S20, judge generator whether off-the-line and be delayed reach default delay time.If off-the-line has been simultaneously for generator
Delay reaches the default delay time, carries out step S21.
Usually, it presets delay time and usually takes 30min.
Step S21, judge whether stator cooling water pump interlocking has dropped out.If stator cooling water pump interlocking is not exited, send out
Go out to exit stator cooling water pump interlocking instruction (step S22).If stator cooling water pump interlocking has dropped out, step S23 is carried out.
Step S23, judge whether the first stator cooling water pump 24 and the second stator cooling water pump 25 are out of service.Such as
The first stator cooling water of fruit pump 24 or the second stator cooling water pump 25 is not out of service or two stator cooling waters pump does not stop
It only runs, then sends out the instruction of the first stator cooling water pump 24 out of service and the finger of the second stator cooling water out of service pump 25
It enables (step S24).If two stator cooling water pumps are out of service, step S25 is carried out.
Step S25, judge stator cooling water thermostat valve 9, stator cooling water flow control valve 10 and determine cold water storage cistern moisturizing tune
Whether valve 19 has dropped out automatic running.If stator cooling water thermostat valve 9, stator cooling water flow control valve 10 and determining cold water
Any one in case moisturizing tune valve 19 or it is multiple do not exit automatic running, send out exit stator cooling water thermostat valve 9 automatically transport
Capable instruction, and the instruction of 10 automatic running of stator cooling water flow control valve is exited, and exit and determine cold water storage cistern moisturizing tune valve 19
The instruction (step S26) of automatic running.
Stopping of the start-up and shut-down control method shown in Fig. 3 for controlling thermal power plant's Generator Stator Cooling water system, therefore Fig. 3 institutes
The start-up and shut-down control method shown is properly termed as the stopping step of thermal power plant's Generator Stator Cooling water system.
Fig. 2 and start-up and shut-down control method shown in Fig. 3 are moderate heat power generator Stator Condense Water System of the embodiment of the present invention
Programed logic.Following functions may be implemented using the programed logic：In thermal power plant's Generator Stator Cooling water system
Under full cut-off state of uniting, the automatic startup of Stator Condense Water System is realized；Shape is run in thermal power plant's Generator Stator Cooling water system
Under state, being automatically stopped for Stator Condense Water System is realized；When the startup program of thermal power plant's Generator Stator Cooling water system is run
When to a certain step, condition is unsatisfactory for, if artificially judging, the condition can be ignored, and can be carried out leapfrog action manually and be continued to start
The operation of program, until Stator Condense Water System startup 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 for.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 action 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 Generator Stator Cooling water system full cut-off state by the start-up and shut-down control method in Fig. 2 and Fig. 3
Under, realize the automatic startup of Generator Stator Cooling water system；Under thermal power plant's Generator Stator Cooling water system operating status,
Realize being automatically stopped for Generator Stator Cooling water system.
It should be understood by those skilled in the art that, the embodiment of the present invention can be provided 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, the present invention can be used in one or more wherein include computer usable program code computer
The computer program production implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.)
The form of product.
The present invention be with reference to according to the method for the embodiment of the present invention, the flow of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that can be realized by computer program instructions every first-class in flowchart and/or the block diagram
The combination of flow and/or box in journey and/or box and flowchart and/or the block diagram.These computer programs can be provided
Instruct the processor of all-purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine so that the instruction executed by computer or the processor of other programmable data processing devices is generated for real
The device for the function of being specified in present one flow of flow chart or one box of multiple flows and/or block diagram or multiple boxes.
These computer program instructions, which may also be stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that instruction generation stored in the computer readable memory includes referring to
Enable the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one box of 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 count
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, in computer or
The instruction executed 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 a box or multiple boxes.
Specific embodiment is applied in the present invention, and principle and implementation of the present invention are described, above example
Explanation be merely used to help understand the present invention method and its core concept；Meanwhile for those of ordinary skill 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 (11)
1. a kind of thermal power plant's Generator Stator Cooling water system, which is characterized in that thermal power plant's Generator Stator Cooling water system
System includes：Stator cooling water case, the first stator cooling water pump, the second stator cooling water pump, the first cooler, the second cooler,
Stator cooling water thermostat valve, stator cooling water flow control valve, stator cooling water strainer for feed water, strainer for feed water bypass electrically operated gate,
Ion-exchanger, ion-exchanger moisturizing strainer, moisturizing strainer bypass electrically operated gate, determines cold water at ion-exchanger moisturizing electrically operated gate
Case moisturizing electrically operated gate determines cold water storage cistern moisturizing tune valve, determines cold water storage cistern moisturizing bypass electrically operated gate and anti-siphon electrically operated gate；
The stator cooling water case is connected by the return pipe of two-way pipeline and electricity generator stator coil, wherein on a pipeline
It is equipped with anti-siphonage pipe throttle orifice and anti-siphon electrically operated gate successively, the stator cooling water case withdraws water by another back of pipeline；
Pass through pipeline with the stator cooling water case after the first stator cooling water pump, the second stator cooling water parallel connection of pumps connection
Connection；It is respectively equipped with entrance electrically operated gate in the entrance of first stator cooling water pump and the entrance of the second stator cooling water pump,
It is respectively equipped with outlet electrically operated gate in the outlet of first stator cooling water pump and the outlet of the second stator cooling water pump；
First cooler and the second cooler are connected in an entrance and stator for the stator cooling water thermostat valve in parallel
Cooling water pump exports on the pipeline between main pipe；The stator cooling water pump discharge main pipe is also cooled down by pipeline and the stator
Another entrance of water thermostat valve connects；It is respectively equipped with entrance in the entrance of first cooler and the entrance of the second cooler
Electrically operated gate is respectively equipped with outlet electrically operated gate in the outlet of first cooler and the outlet of the second cooler；
The stator cooling water flow control valve, stator cooling water strainer for feed water are successively set on the stator cooling water thermostat valve
The pipeline being exported between the collecting pipe of electricity generator stator coil on；The strainer for feed water bypass electrically operated gate and stator cooling water
Strainer for feed water is connected in parallel, and is respectively equipped with entrance electrically operated gate at the both ends of the stator cooling water strainer for feed water and is exported electronic
Door；
The ion-exchanger moisturizing electrically operated gate, ion-exchanger are successively set on being exported to for the stator cooling water thermostat valve
On the pipeline of the stator cooling water case；The ion-exchanger moisturizing strainer is connect by pipeline with ion-exchanger, described
Moisturizing strainer bypass electrically operated gate is connected in parallel with ion-exchanger moisturizing strainer, at the both ends of the ion-exchanger moisturizing strainer
It is respectively equipped with entrance electrically operated gate and outlet electrically operated gate；
It is described to determine to be connected to the stator cooling water after cold water storage cistern moisturizing electrically operated gate is in parallel with cold water storage cistern moisturizing bypass electrically operated gate is determined
Case, it is described to determine cold water storage cistern moisturizing tune valve and be arranged in the exit for determining cold water storage cistern moisturizing electrically operated gate；
Wherein, the cooling water in the stator cooling water case passes through the first stator cooling water pump and/or the second cooling successively all the way
Water pump, the first cooler and/or the second cooler enter an entrance of the stator cooling water thermostat valve, and another way is by the
One stator cooling water pump and/or the second cooling water pump are directly entered another entrance of the stator cooling water thermostat valve；
The thermal power plant sub- Stator Condense Water System that generates electricity has two-way moisturizing, all the way by it is described determine cold water storage cistern moisturizing electrically operated gate or
Determine cold water storage cistern moisturizing bypass electrically operated gate directly to mend to the stator cooling water case；Another way is filtered by the ion-exchanger moisturizing
Net or moisturizing strainer bypass electrically operated gate are mended to the ion-exchanger.
2. thermal power plant's Generator Stator Cooling water system according to claim 1, which is characterized in that cooled down from the stator
The cooling water of the outlet outflow of water thermostat valve supplies water by the stator cooling water flow control valve, stator cooling water successively all the way
Strainer or strainer for feed water bypass electrically operated gate enter the collecting pipe of electricity generator stator coil；Another way passes through the ion exchange successively
Device moisturizing electrically operated gate, ion-exchanger enter the stator cooling water case.
3. thermal power plant's Generator Stator Cooling water system according to claim 1, which is characterized in that thermal power plant's power generation
Machine stator cooling water system further includes：Cold water storage cistern blowdown manually operated door is determined, for carrying out manual blowdown to the stator cooling water case.
4. thermal power plant's Generator Stator Cooling water system according to claim 1, which is characterized in that thermal power plant's power generation
Machine stator cooling water system further includes：Ion-exchanger blowdown manually operated door, for carrying out manual blowdown to the ion-exchanger.
5. thermal power plant's Generator Stator Cooling water system according to claim 1, which is characterized in that thermal power plant's power generation
Machine stator cooling water system further includes：Stator Condense Water System programed logic button and stator cooling water pump block push button.
6. a kind of start-up and shut-down control method of thermal power plant's Generator Stator Cooling water system, which is characterized in that thermal power plant's power generation
The start-up and shut-down control method of machine stator cooling water system includes：
Judge whether to determine cold water storage cistern moisturizing electrically operated gate and determine cold water storage cistern moisturizing tune valve to have opened, and it is electronic to determine cold water storage cistern moisturizing bypass
Door has closed, and ion-exchanger moisturizing electrically operated gate has been opened, and the entrance electrically operated gate of ion-exchanger moisturizing strainer and outlet are electronic
Men Junyi is opened, and moisturizing strainer bypass electrically operated gate has been closed；If it is not, then sending out, unlatching is described to be determined cold water storage cistern moisturizing electrically operated gate and determines
The instruction of cold water storage cistern moisturizing tune valve, and the instruction for determining cold water storage cistern moisturizing bypass electrically operated gate is closed, and the unlatching ion is handed over
The instruction of parallel operation moisturizing electrically operated gate, and open the entrance electrically operated gate of the ion-exchanger moisturizing strainer and export the finger of electrically operated gate
It enables, and closes the instruction of the moisturizing strainer bypass electrically operated gate；
If so, judging whether the liquid level in stator cooling water case is higher than default liquid level；If in the stator cooling water case
Liquid level be less than the default liquid level, send out by it is described determine cold water storage cistern moisturizing tune valve throw automatically instruct and close the ion exchange
The instruction of device moisturizing electrically operated gate；
If the liquid level in the stator cooling water case is higher than the default liquid level, judge whether entering for the first stator cooling water pump
Mouthful electrically operated gate and the entrance electrically operated gate of the second stator cooling water pump have been opened, and the outlet electrically operated gate of the first stator cooling water pump and
The outlet electrically operated gate of second stator cooling water pump has been closed, and the entrance electrically operated gate of the first cooler, outlet electrically operated gate have been opened,
And second entrance electrically operated gate, the outlet electrically operated gate of cooler closed, and the entrance electrically operated gate of stator cooling water strainer for feed water, gone out
Mouth electrically operated gate has been opened, and strainer for feed water bypass electrically operated gate has been closed, and anti-siphon electrically operated gate has been opened, and stator cooling water thermostat valve
It has thrown automatically, and stator cooling water flow control valve has been thrown automatically；It is pumped into if not, sending out and opening first stator cooling water
The instruction of mouth electrically operated gate and the second stator cooling water pump intake electrically operated gate, and closing the first stator cooling water pump discharge are electronic
The instruction of door and the second stator cooling water pump discharge electrically operated gate, and open the first cooler entrance electrically operated gate and export electronic
The instruction of door, and the instruction of the second cooler entrance electrically operated gate and outlet electrically operated gate is closed, and open the stator cooling
The instruction of water strainer for feed water entrance electrically operated gate and outlet electrically operated gate, and the instruction of the strainer for feed water bypass electrically operated gate is closed, and
It opens the instruction of the anti-siphon electrically operated gate, and the stator cooling water thermostat valve is thrown into automatically instruction, and by the stator
Cooling water flow regulating valve throws automatically instruction；
If so, judging whether the first stator cooling water pump has been turned on；If the first stator cooling water pump is not actuated,
Send out the instruction for starting the first stator cooling water pump；
If the first stator cooling water pump has been turned on, it is default to judge whether the pressure of stator cooling water pump discharge main pipe is more than
Pressure value；
If the pressure of the stator cooling water pump discharge main pipe is more than the preset pressure value, the first stator cooling is judged
Whether the outlet electrically operated gate of water pump has been opened；If the outlet electrically operated gate of the first stator cooling water pump is not opened, sends out and open institute
State the instruction of the first stator cooling water pump discharge electrically operated gate；
If the outlet electrically operated gate of the first stator cooling water pump has been opened, judge whether to have put into stator cooling water pump interlocking；
If stator cooling water pump interlocking is not put into, the instruction of input stator cooling water pump interlocking is sent out.
7. the start-up and shut-down control method of thermal power plant's Generator Stator Cooling water system according to claim 6, which is characterized in that
The start-up and shut-down control method of thermal power plant's Generator Stator Cooling water system further includes：
Judge generator whether off-the-line and be delayed reach default delay time；
If the generator off-the-line and be delayed reach the default delay time, judge stator cooling water pump interlocking whether
It exits；If stator cooling water pump interlocking is not exited, sends out and exit stator cooling water pump interlocking instruction；
If stator cooling water pump interlocking has dropped out, judge whether the first stator cooling water pump and the second stator cooling water pump
It is out of service；If the first stator cooling water pump and/or the second stator cooling water pump be not out of service, stopping is sent out
Run the instruction of the first stator cooling water pump and the instruction of the second stator cooling water out of service pump；
If the first stator cooling water pump and the second stator cooling water pump are out of service, judge whether that the stator is cold
But water thermostat valve, stator cooling water flow control valve and determine cold water storage cistern moisturizing tune valve and have dropped out automatic running；If described fixed
Sub- cooling water temperature control valve, stator cooling water flow control valve and determining has in cold water storage cistern moisturizing tune valve at least one does not exit automatic fortune
Row sends out and exits stator cooling water thermostat valve and automatically instruct, and exits stator cooling water flow control valve and automatically instruct, and
It exits and determines cold water storage cistern moisturizing tune valve and automatically instruct.
8. the start-up and shut-down control method of thermal power plant's Generator Stator Cooling water system according to claim 6, which is characterized in that
The default liquid level is 800mm.
9. the start-up and shut-down control method of thermal power plant's Generator Stator Cooling water system according to claim 6, which is characterized in that
Described to determine cold water storage cistern moisturizing tune valve to throw automatic setting value to be 600mm, the stator cooling water thermostat valve throws automatic setting value
It it is 40 DEG C, it is 120t/h that the stator cooling water flow control valve, which throws automatic setting value,.
10. the start-up and shut-down control method of thermal power plant's Generator Stator Cooling water system according to claim 6, feature exist
In the preset pressure value is 0.85MPa.
11. the start-up and shut-down control method of thermal power plant's Generator Stator Cooling water system according to claim 7, feature exist
In the default delay time is 30min.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610860388.1A CN106253581B (en) | 2016-09-28 | 2016-09-28 | Thermal power plant's Generator Stator Cooling water system and its start-up and shut-down control method |
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| CN201610860388.1A CN106253581B (en) | 2016-09-28 | 2016-09-28 | Thermal power plant's Generator Stator Cooling water system and its start-up and shut-down control method |
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| CN106253581B true CN106253581B (en) | 2018-09-07 |
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| CN109120105B (en) * | 2018-09-29 | 2024-02-20 | 东方电气自动控制工程有限公司 | Anti-siphon device of generator stator cooling water system |
| CN111431347B (en) * | 2020-02-20 | 2021-11-16 | 华电电力科学研究院有限公司 | Rotor cooling water system and start-stop control method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3027322A1 (en) * | 1980-07-18 | 1982-02-18 | Siemens AG, 1000 Berlin und 8000 München | COOLING ARRANGEMENT AND METHOD FOR OPERATING THE ARRANGEMENT |
| CN105806012A (en) * | 2014-12-31 | 2016-07-27 | 国家电网公司 | Circulating cooling water system for gas-fired thermal power plant and start and stop control method of circulating cooling water system |
| CN206023498U (en) * | 2016-09-28 | 2017-03-15 | 华北电力科学研究院有限责任公司 | Thermal power plant's Generator Stator Cooling water system |
-
2016
- 2016-09-28 CN CN201610860388.1A patent/CN106253581B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3027322A1 (en) * | 1980-07-18 | 1982-02-18 | Siemens AG, 1000 Berlin und 8000 München | COOLING ARRANGEMENT AND METHOD FOR OPERATING THE ARRANGEMENT |
| CN105806012A (en) * | 2014-12-31 | 2016-07-27 | 国家电网公司 | Circulating cooling water system for gas-fired thermal power plant and start and stop control method of circulating cooling water system |
| CN206023498U (en) * | 2016-09-28 | 2017-03-15 | 华北电力科学研究院有限责任公司 | Thermal power plant's Generator Stator Cooling water system |
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