CN107062935A - Small steam turbine rough vacuum automatic regulating system and its operating method - Google Patents
Small steam turbine rough vacuum automatic regulating system and its operating method Download PDFInfo
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- CN107062935A CN107062935A CN201710350980.1A CN201710350980A CN107062935A CN 107062935 A CN107062935 A CN 107062935A CN 201710350980 A CN201710350980 A CN 201710350980A CN 107062935 A CN107062935 A CN 107062935A
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 38
- 238000011017 operating method Methods 0.000 title claims abstract description 24
- 239000000498 cooling water Substances 0.000 claims abstract description 29
- 238000007405 data analysis Methods 0.000 claims abstract description 22
- 238000004458 analytical method Methods 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 14
- 238000001816 cooling Methods 0.000 claims description 13
- 238000005086 pumping Methods 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 238000012546 transfer Methods 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 3
- 230000006399 behavior Effects 0.000 claims 1
- 238000000151 deposition Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B9/00—Auxiliary systems, arrangements, or devices
- F28B9/10—Auxiliary systems, arrangements, or devices for extracting, cooling, and removing non-condensable gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
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- Engineering & Computer Science (AREA)
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- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention provides a kind of small steam turbine rough vacuum automatic regulating system and its operating method, belong to steam turbine auxiliary device technical field.It solves the problems such as prior art is unreasonable.What this small steam turbine rough vacuum automatic regulating system was included on the condenser first draws gas performing module, cooling water conveying performing module and exhaust steam conveying performing module, it is characterized in that, also include data acquisition module, data memory module, data analysis module and control module, data acquisition module is connected with data analysis module.The advantage of this small steam turbine rough vacuum automatic regulating system and its operating method is：First draws gas performing module, cooling water conveying performing module and the setting that is connected respectively with control module of exhaust steam conveying performing module, improve the regulating power of the system, the setting of data acquisition module, data memory module and data analysis module improves the feedback capability of the system, makes the operating method of the system easier.
Description
Technical field
It is automatic more particularly, to a kind of small steam turbine rough vacuum the invention belongs to steam turbine auxiliary device technical field
Regulating system and its operating method.
Background technology
Steam turbine is the rotary power machinery that the energy of steam is converted into mechanical work, also known as steam turbine, mainly
Prime mover as generating, can also directly drive various pumps, blower fan, compressor and propeller for vessels etc., can also utilize vapour
The steam discharge of turbine or intermediate extraction meet production and heat supply needs in life.The condenser being connected with steam turbine is by steam turbine
Steam discharge is condensed into a kind of heat exchanger of water, also known as steam condenser, is mainly used in the steam discharge of steam turbine being condensed into water boiler of feeding again
Using outer, also make to set up vacuum at turbine discharge and maintain vacuum, therefore allow the certain vacuum of condenser maintenance for vapour
The regulation that the normal operation of turbine provides vacuum in safety guarantee, existing condenser is generally manual operations, is existed time-consuming
Arduously, the defect such as operating efficiency difference.
In order to solve the problem of prior art is present, people have carried out long-term exploration, it is proposed that miscellaneous solution
Scheme.For example, Chinese patent literature discloses a kind of vacuum-pumping system for air cooling condenser [application number：201020650485.6],
Including：Air cooling tubes condenser；Adverse current is restrained, and is arranged in the air cooling tubes condenser exterior side wall；Vacuum lead, it is described to vacuumize
The top that pipeline one end is restrained with the adverse current is connected, and the vacuum lead other end connects water ring vacuum pump；It is described to take out true
Heat exchanger is provided with vacant duct.
Above-mentioned scheme improves the subproblem of prior art to a certain extent, still, and the program is also at least present
Following defect：Automation effect is poor, and the artificial observation time is long, manually operated to easily cause the problems such as operational error rate is high.
The content of the invention
Regarding the issue above, the present invention provides a kind of reasonable in design, the good small steam turbine of using effect is low
Vacuum automatic regulating system.
Second object of the present invention is in view of the above-mentioned problems, providing a kind of convenient small steam turbine rough vacuum of manipulation
The operating method of automatic regulating system.
To reach above-mentioned purpose, present invention employs following technical proposal：The small steam turbine rough vacuum of the present invention is certainly
Dynamic regulating system, including the first draw gas performing module, cooling water conveying performing module and exhaust steam conveying on condenser are held
Row module, it is characterized in that, in addition to data acquisition module, data memory module, data analysis module and control module, data are adopted
Collection module is connected with data analysis module, and data analysis module is connected with data memory module and control module respectively, controls mould
Block drawn gas respectively with first performing module, cooling water conveying performing module and exhaust steam conveying performing module be connected, data acquisition module
Block includes at least one vacuum pressure inspection located at least one revolution detector of rotating shaft of steam turbine side and in condenser
Survey device, true temp detector and steam flow speed detector data, and at least one extraneous gas on the outside of this steam turbine
Detector and ambient temperature detector are pressed, control module includes single-chip microcomputer.Due to data acquisition module, data memory module, number
Make the system that there is the effect for automatically adjusting vacuum in condenser according to the setting of analysis module and control module, with control module
Connection first draw gas performing module, cooling water conveying performing module and exhaust steam conveying performing module realize that multi-method is adjusted jointly
The effect of vacuum, enhances regulating effect in condenser.
Above-mentioned small steam turbine rough vacuum automatic regulating system, first draws gas performing module including being connected with condenser
First draw gas cylinder, condenser and first are drawn gas and are serially connected with the first pumping control magnetic valve and the first aspiration pump between cylinder；Cooling
Water conveying performing module includes the chilled(cooling) water supply (CWS) pump being connected with condenser, and chilled(cooling) water supply (CWS) pump and cooling water control magnetic valve connect
Connect；Exhaust steam conveying performing module includes the exhaust steam transfer pump being connected with condenser, and exhaust steam transfer pump and exhaust steam control magnetic valve connect
Connect；Data memory module includes the normal operating statistic data submodule and accident statistics data submodule for being used to deposit data；
Data analysis module compares process circuit including numeral, numeral compare process circuit respectively with normal operating statistic data submodule
With the connection of accident statistics data submodule, numeral compares process circuit and is connected with control module.First pumping control magnetic valve, the
One aspiration pump, chilled(cooling) water supply (CWS) pump, cooling water control magnetic valve, exhaust steam transfer pump and exhaust steam control the setting structure letter of magnetic valve
Singly, installation, maintenance, operation are facilitated.
Above-mentioned small steam turbine rough vacuum automatic regulating system, data acquisition module also includes gathering this steam turbine fortune
The timer of row time；It is additionally provided with second on condenser to draw gas performing module, the second performing module of drawing gas includes and condenser connects
Second connect is drawn gas cylinder, and condenser and second are drawn gas and be serially connected with the second pumping control magnetic valve and the second aspiration pump between cylinder.The
Two settings for drawing gas performing module further increase the regulating effect of the system.
The operating method of this small steam turbine rough vacuum automatic regulating system, comprises the following steps：
Step A：By the rotary speed data of data collecting module collected rotating shaft of steam turbine, vacuum pressure, temperature and vapour in condenser
Flow velocity degrees of data, and ambient pressure and ambient temperature data on the outside of this steam turbine；Step B：By reference to being stored in
Normally run with the step A data type identicals recorded during normal operation in same type Steam Turbine in data memory module
Statistics, is analyzed under different ambient pressures and temperature data, rotating shaft of steam turbine is in difference by data analysis module
Whether the vacuum pressure in condenser, temperature and steam flow speed during rotating speed are in normal span；Step C：If passing through
The data that step A is collected in normal span, then do not send adjustment signal in condenser by control module
First draw gas performing module, cooling water conveying performing module and exhaust steam conveying performing module, make vacuum pressure in condenser,
In span when temperature and steam flow speed data are maintained at normal operation, original state is otherwise kept, control module need not
Send and perform signal；Step D：Repeat step A.It is easy to operate, eliminate manually-operated trouble, reduce it is artificial into
This.
The operating method of above-mentioned small steam turbine rough vacuum automatic regulating system, if the number detected by step A
According to the data normally to run, then the data are stored in the normal operating statistic data in the data memory module in step B,
Used for analysis module.Further increase the reliability of data source.
Analysis module in the operating method of above-mentioned small steam turbine rough vacuum automatic regulating system, step B is being divided
Find that data during the normal operation detected by step A being stored in data memory module have just been detected with step A during analysis
To data there is the rotary speed data of same or like ambient pressure, ambient temperature and rotating shaft of steam turbine when, it is preferential using
Data during the normal operation detected by step A being stored in data memory module are used as reference data.Diagnosis is more reasonable.
Data memory module in the operating method of above-mentioned small steam turbine rough vacuum automatic regulating system, step B
In also store same type Steam Turbine and occur data in the step A that is collected during accident, as accident statistics data, pass through
Analysis module is analyzed when the step A collected data reach preset value away from the spacing between warning data, and control module is removed and given
First draw gas performing module, cooling water conveying performing module and exhaust steam conveying performing module is sent while performing signal also to the
Two draw gas performing module send perform signal, make the vacuum pressure in condenser, temperature and steam flow speed be rapidly directed away from accident system
Count.The setting of accident statistics data in data memory module, further increases the security of the system.
The operating method of above-mentioned small steam turbine rough vacuum automatic regulating system, if the number detected by step A
According to occur data during accident, then the data are stored in the accident statistics data in the data memory module in step B, supplied
Analysis module is used.Make data source more reasonable.
Analysis module in the operating method of above-mentioned small steam turbine rough vacuum automatic regulating system, step B is being divided
Find that the data when accident detected by step A being stored in data memory module occurs just have been detected with step A during analysis
To data there are same or like ambient pressure, ambient temperature and turbine speed data when, it is preferential using being stored in number
Data when occurring according to the accident detected by step A in memory module are used as reference data.Improve the safety of system
Property.
Also including detection in the operating method of above-mentioned small steam turbine rough vacuum automatic regulating system, step A, this is small
When the same type Steam Turbine that is also stored with data memory module in time data during type steam turbine operation, step B is run
Time data, for analysis module analysis use.It is easy to analysis.
Compared with prior art, the advantage of this small steam turbine rough vacuum automatic regulating system and its operating method exists
In：First draws gas what performing module, cooling water conveying performing module and exhaust steam conveying performing module were connected with control module respectively
Set, improve the regulating power of the system, the setting of data acquisition module, data memory module and data analysis module is improved
The feedback capability of the system, makes the operating method of the system easier.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 provides the structural representation in the embodiment of the present invention.
Fig. 2 provides another structural representation in the embodiment of the present invention.
In figure, condenser a, rotating shaft of steam turbine b, first draw gas performing module 1, first draw gas cylinder 11, first pumping control
Magnetic valve 12, the first aspiration pump 13, cooling water conveying performing module 2, chilled(cooling) water supply (CWS) pump 21, cooling water control magnetic valve 22,
Exhaust steam conveying performing module 3, exhaust steam transfer pump 31, exhaust steam control magnetic valve 32, data memory module 4, normal operating statistic number
Compare process circuit 51, control module 6, list according to submodule 41, accident statistics data submodule 42, data analysis module 5, numeral
Piece machine 61, data acquisition module 7, vacuum pressure detector 71, true temp detector 72, steam flow speed detector 73, the external world
Gas pressure detector 74, ambient temperature detector 75, timer 76, revolution detector 77, second draw gas performing module 8, second take out
Vapour cylinder the 81, second pumping control magnetic valve 82, the second aspiration pump 83.
Embodiment
Below in conjunction with the accompanying drawings and the present invention is described in further detail by embodiment, following examples are to this hair
Bright explanation and the invention is not limited in following examples.
As shown in Fig. 1 to 2, this small steam turbine rough vacuum automatic regulating system, including first on condenser a
Performing module of drawing gas 1, cooling water conveying performing module 2 and exhaust steam conveying performing module 3, it is characterized in that, in addition to data acquisition
Module 7, data memory module 4, data analysis module 5 and control module 6, data acquisition module 7 connect with data analysis module 5
Connect, data analysis module 5 is connected with data memory module 4 and control module 6 respectively, and control module 6 is drawn gas with first hold respectively
Row module 1, cooling water conveying performing module 2 and exhaust steam conveying performing module 3 are connected, and data acquisition module 7 includes being located at steamer
At least one revolution detector 77 of machine rotating shaft b sides and at least one vacuum pressure detector 71, vacuum in condenser a
Temperature detector 72 and the data of steam flow speed detector 73, and at least one ambient pressure detection on the outside of this steam turbine
Device 74 and ambient temperature detector 75, control module 6 include single-chip microcomputer 61, due to data acquisition module 7, data memory module 4,
The setting of data analysis module 5 and control module 6 makes the system have the effect for automatically adjusting vacuum in condenser a, with control
Molding block 6 connect first draw gas performing module 1, cooling water conveying performing module 2 and exhaust steam conveying performing module 3 realize in many ways
Method adjusts the effect of vacuum in condenser a jointly, enhances regulating effect.
Specifically, what first here drew gas that performing module 1 includes being connected with condenser a first draws gas cylinder 11, condenser a
Drawn gas with first and the first pumping control aspiration pump 13 of magnetic valve 12 and first is serially connected between cylinder 11 is connected；Cooling water conveying is performed
Module 2 includes the chilled(cooling) water supply (CWS) pump 21 being connected with condenser a, and chilled(cooling) water supply (CWS) pump 21 and cooling water control magnetic valve 22 connect
Connect；Exhaust steam conveying performing module 3 includes the exhaust steam transfer pump 31 being connected with condenser a, exhaust steam transfer pump 31 and exhaust steam control electricity
Magnet valve 32 is connected；Data memory module 4 includes the normal operating statistic data submodule 41 and accident statistics for being used to deposit data
Data submodule 42；Data analysis module 5 compares process circuit 51 including numeral, numeral compare process circuit 51 respectively with normally
Operating statistic data submodule 41 and accident statistics data submodule 42 are connected, and numeral compares process circuit 51 and control module 6
Connection, the first pumping control magnetic valve 12, the first aspiration pump 13, chilled(cooling) water supply (CWS) pump 21, cooling water control magnetic valve 22, exhaust steam
The setting structure of transfer pump 31 and exhaust steam control magnetic valve 32 is simple, facilitate installation, maintenance, operation；Here data acquisition module
Block 7 also includes the timer 76 of collection this steam turbine operation time；Second is additionally provided with condenser a to draw gas performing module 8, second
What performing module of drawing gas 8 included being connected with condenser a second draws gas cylinder 81, and condenser a and second draws gas and is serially connected between cylinder 81
The second pumping control aspiration pump 83 of magnetic valve 82 and second is connected, and the second setting for drawing gas performing module 8 further increases this
The regulating effect of system.
The operating method of this small steam turbine rough vacuum automatic regulating system, comprises the following steps：Step A：Pass through number
Vacuum pressure, temperature and steam flow speed data in rotating shaft of steam turbine b rotary speed data, condenser a are gathered according to acquisition module 7, with
And ambient pressure and ambient temperature data on the outside of this steam turbine；Step B：By reference to being stored in data memory module 4
In same type Steam Turbine in normal operation when the normal operating statistic data of data type identical that are recorded with step A, borrow
Help data analysis module 5 to analyze under different ambient pressures and temperature data, rotating shaft of steam turbine in different rotating speeds when it is solidifying
Whether the vacuum pressure, temperature and steam flow speed in vapour device a are in normal span；Step C：If being gathered by step A
The data arrived in normal span, then do not send adjustment signal by control module 6 and taken out to first in condenser a
Vapour performing module 1, cooling water conveying performing module 2 and exhaust steam conveying performing module 3, make vacuum pressure in condenser a, temperature
In span when normal operation is maintained at steam flow speed data, original state is otherwise kept, control module 6 is without sending
Perform signal；Step D：Step A is repeated, it is easy to operate, manually-operated trouble is eliminated, cost of labor is reduced.
Specifically, if the data detected by step A are the data normally run, the data are stored in step B
Data memory module 4 in normal operating statistic data in, used for analysis module, further increase the reliable of data source
Property；Analysis module in step B find to be stored in analysis in data memory module 4 by step A detect it is normal
There is same or like ambient pressure, ambient temperature and steam turbine with the data that step A has just been detected and turn in data during operation
During the rotary speed data of axle, the preferential number using during the normal operation detected by step A being stored in data memory module 4
According to as reference data, it is more reasonable to diagnose；Same type Steam Turbine is also stored in data memory module 4 in step B and occurs thing
Therefore when the step A that is collected in data, as accident statistics data, analyzed by analysis module as the step A that collect
Data when reaching preset value away from the spacing between warning data, control module 6 is removed defeated to the first draw gas performing module 1, cooling water
Send performing module 2 and exhaust steam to convey performing module 3 and send while performing signal and also send execution to the second performing module 8 of drawing gas
Signal, makes the vacuum pressure in condenser a, temperature and steam flow speed be rapidly directed away from accident statistics data, data memory module 4
The setting of accident statistics data, further increases the security of the system.
Further, if being data when occurring accident by the step A data detected, the data are stored in step
In the accident statistics data in data memory module 4 in B, used for analysis module, make data source more reasonable；Above-mentioned is small-sized
Analysis module in the operating method of steam turbine rough vacuum automatic regulating system, step B finds to be stored in data in analysis
The data when accident that is detected by step A in memory module 4 occurs and the data that step A has just been detected exist it is identical or
It is preferential using being stored in passing through in data memory module 4 when close ambient pressure, ambient temperature and turbine speed data
The data when accident that step A is detected occurs improve the security of system as reference data；Also include inspection in step A
Survey the same type Steam Turbine that is also stored with the data memory module 4 in the time data during operation of this small steam turbine, step B
Time data during operation, uses for analysis module analysis, is easy to analysis.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology neck belonging to of the invention
The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Although more used herein condenser a, rotating shaft of steam turbine b, first draw gas performing module 1, first draw gas cylinder
11st, the first pumping control magnetic valve 12, the first aspiration pump 13, cooling water conveying performing module 2, chilled(cooling) water supply (CWS) pump 21, cooling
Water management magnetic valve 22, exhaust steam conveying performing module 3, exhaust steam transfer pump 31, exhaust steam control magnetic valve 32, data memory module 4,
Normal operating statistic data submodule 41, accident statistics data submodule 42, data analysis module 5, numeral compare process circuit
51st, control module 6, single-chip microcomputer 61, data acquisition module 7, vacuum pressure detector 71, true temp detector 72, steam flow speed
Degree detector 73, ambient pressure detector 74, ambient temperature detector 75, timer 76, revolution detector 77, second, which are drawn gas, holds
Row module 8, second are drawn gas the pumping control of cylinder 81, second magnetic valve 82, the term such as the second aspiration pump 83, but are not precluded from using it
The possibility of its term.It is used for the purpose of more easily describing and explaining the essence of the present invention using these terms；They are solved
Any additional limitation is interpreted into all to disagree with spirit of the present invention.
Claims (10)
1. a kind of small steam turbine rough vacuum automatic regulating system, including located at condenser（a）On first draw gas execution mould
Block（1）, cooling water conveying performing module（2）Performing module is conveyed with exhaust steam（3）, it is characterized in that, in addition to data acquisition module
（7）, data memory module（4）, data analysis module（5）And control module（6）, described data acquisition module（7）With data
Analysis module（5）Connection, described data analysis module（5）Respectively with data memory module（4）And control module（6）Connection,
Described control module（6）Drawn gas respectively with first performing module（1）, cooling water conveying performing module（2）Held with exhaust steam conveying
Row module（3）Connection, described data acquisition module（7）Including located at rotating shaft of steam turbine（b）At least one Rotating speed measring of side
Device（77）With located at condenser（a）At least one interior vacuum pressure detector（71）, true temp detector（72）And steam flow
Speed detector（73）Data, and at least one ambient pressure detector on the outside of this steam turbine（74）And ambient temperature
Detector（75）, described control module（6）Including single-chip microcomputer（61）.
2. small steam turbine rough vacuum automatic regulating system according to claim 1, it is characterised in that described first
Draw gas performing module（1）Including with condenser（a）The first of connection is drawn gas cylinder（11）, described condenser（a）Drawn gas with first
Cylinder（11）Between be serially connected with the first pumping control magnetic valve（12）With the first aspiration pump（13）；Described cooling water conveying performs mould
Block（2）Including with condenser（a）The chilled(cooling) water supply (CWS) pump of connection（21）, described chilled(cooling) water supply (CWS) pump（21）And cooling water control
Magnetic valve（22）Connection；Described exhaust steam conveying performing module（3）Including with condenser（a）The exhaust steam transfer pump of connection（31）,
Described exhaust steam transfer pump（31）Magnetic valve is controlled with exhaust steam（32）Connection；Described data memory module（4）Including for depositing
Put the normal operating statistic data submodule of data（41）With accident statistics data submodule（42）；Described data analysis module
（5）Compare process circuit including numeral（51）, described numeral compares process circuit（51）Respectively with normal operating statistic data
Submodule（41）With accident statistics data submodule（42）Connection, described numeral compares process circuit（51）With control module
（6）Connection.
3. small steam turbine rough vacuum automatic regulating system according to claim 1, it is characterised in that described data
Acquisition module（7）Also include the timer of collection this steam turbine operation time（76）；Described condenser（a）On be additionally provided with second
Draw gas performing module（8）, described second draws gas performing module（8）Including with condenser（a）The second of connection is drawn gas cylinder（81）,
Described condenser（a）Drawn gas cylinder with second（81）Between be serially connected with the second pumping control magnetic valve（82）With the second aspiration pump
（83）.
4. a kind of behaviour of the small steam turbine rough vacuum automatic regulating system in use claims 1 to 3 described in any one
Make method, it is characterized in that：Comprise the following steps：
Step A：Pass through data acquisition module（7）Gather rotating shaft of steam turbine（b）Rotary speed data, condenser（a）Interior vacuum pressure,
Temperature and steam flow speed data, and ambient pressure and ambient temperature data on the outside of this steam turbine；
Step B：By reference to being stored in data memory module（4）In same type Steam Turbine in normal operation when with step A
The normal operating statistic data of data type identical of record, by data analysis module（5）Analyze in different extraneous gas
Pressure and temperature data under, condenser of the rotating shaft of steam turbine in different rotating speeds（a）Interior vacuum pressure, temperature and steam flow speed is
It is no in normal span；
Step C：If the data collected by step A pass through control module not in normal span（6）Send adjustment
Signal, which is given, is located at condenser（a）Interior first is drawn gas performing module（1）, cooling water conveying performing module（2）Held with exhaust steam conveying
Row module（3）, make condenser（a）Interior vacuum pressure, temperature and steam flow speed data is maintained at value model during normal operation
In enclosing, original state, control module are otherwise kept（6）Signal is performed without sending；
Step D：Repeat step A.
5. the operating method of small steam turbine rough vacuum automatic regulating system according to claim 4, it is characterised in that
If the data detected by step A are the data normally run, the data are stored in the data memory module in step B
（4）In normal operating statistic data in, used for analysis module.
6. the operating method of small steam turbine rough vacuum automatic regulating system according to claim 5, it is characterised in that
Analysis module in step B finds to be stored in data memory module in analysis（4）In the normal fortune detected by step A
There is same or like ambient pressure, ambient temperature and rotating shaft of steam turbine with the data that step A has just been detected in data during row
Rotary speed data when, it is preferential using being stored in data memory module（4）In the normal operation detected by step A when number
According to being used as reference data.
7. the operating method of small steam turbine rough vacuum automatic regulating system according to claim 4, it is characterised in that
Data memory module in described step B（4）In also store same type Steam Turbine and occur the step A collected during accident
In data, as accident statistics data, the data as the step A that collect are analyzed away between warning data by analysis module
When spacing reaches preset value, control module（6）Except being drawn gas performing module to first（1）, cooling water conveying performing module（2）With it is weary
Vapour conveys performing module（3）Send and also drawn gas performing module to second while performing signal（8）Send and perform signal, make condensing
Device（a）Interior vacuum pressure, temperature and steam flow speed is rapidly directed away from accident statistics data.
8. the operating method of small steam turbine rough vacuum automatic regulating system according to claim 7, it is characterised in that
If being data when occurring accident by the step A data detected, the data are stored in the data memory module in step B
（4）In accident statistics data in, used for analysis module.
9. the operating method of small steam turbine rough vacuum automatic regulating system according to claim 8, it is characterised in that
Analysis module in step B finds to be stored in data memory module in analysis（4）In the accident detected by step A send out
There is same or like ambient pressure, ambient temperature and turbine speed with the data that step A has just been detected in data when raw
During data, preferential use has been stored in data memory module（4）In data when occurring of the accident that is detected by step A be used as
Reference data.
10. the operating method of small steam turbine rough vacuum automatic regulating system according to claim 4, its feature exists
In the data also included in described step A in time data during detection this small steam turbine operation, described step B are deposited
Store up module（4）In be also stored with same type Steam Turbine operation when time data, for analysis module analysis use.
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| CN201710350980.1A CN107062935A (en) | 2017-05-18 | 2017-05-18 | Small steam turbine rough vacuum automatic regulating system and its operating method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114089720A (en) * | 2021-11-12 | 2022-02-25 | 辽宁东科电力有限公司 | Intelligent control integrated system and control method for steam turbine used for power plant |
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Application publication date: 20170818 |