CN104481902B - Blast furnace blower excitation unit cooling fan running inspection optimization method - Google Patents
Blast furnace blower excitation unit cooling fan running inspection optimization method Download PDFInfo
- Publication number
- CN104481902B CN104481902B CN201410624330.8A CN201410624330A CN104481902B CN 104481902 B CN104481902 B CN 104481902B CN 201410624330 A CN201410624330 A CN 201410624330A CN 104481902 B CN104481902 B CN 104481902B
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- Prior art keywords
- cooling fan
- excitation unit
- unit cooling
- blast furnace
- ampere
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- 238000001816 cooling Methods 0.000 title claims abstract description 79
- 230000005284 excitation Effects 0.000 title claims abstract description 60
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000007689 inspection Methods 0.000 title claims abstract description 12
- 238000005457 optimization Methods 0.000 title claims abstract description 12
- 238000001914 filtration Methods 0.000 claims abstract description 7
- 238000012545 processing Methods 0.000 claims abstract description 7
- 238000004088 simulation Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005272 metallurgy Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/02—Surge control
- F04D27/0292—Stop safety or alarm devices, e.g. stop-and-go control; Disposition of check-valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/001—Testing thereof; Determination or simulation of flow characteristics; Stall or surge detection, e.g. condition monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2260/00—Function
- F05D2260/80—Diagnostics
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
Abstract
The present invention relates to a kind of blast furnace blower excitation unit cooling fan running inspection optimization method, comprise step 1, read excitation unit cooling fan real-world operation electric current through filtering processing; Step 2, judge that excitation unit cooling fan electric current is whether between 0.1 ampere to 0.3 ampere; If step 3 excitation unit cooling fan electric current, between 0.1 ampere to 0.3 ampere, judges whether blast furnace blower moves, if moved, excitation unit cooling fan normally moves, if off-duty, excitation unit cooling fan ready for operation; If any one excitation unit cooling fan electric current of step 4 is not between 0.1 ampere to 0.3 ampere, the running of excitation unit cooling fan is undesired, judges whether blast furnace blower moves, if moved, the running of excitation unit cooling fan is undesired, sends alarm signal; If off-duty, does not allow blast furnace blower to start.
Description
Technical field
The present invention relates to industrial automatic control field, relate in particular a kind of blast furnace blower excitation unit coldBut fan running inspection optimization method.
Background technology
At metallurgy industry, if blast furnace blower, sintering blower fan adopt Siemens's high-voltage large-capacity brushless excitation synchronousMotor Drive, its Exciting Windings for Transverse Differential Protection is all powered by Siemens's SIMOTRASHD device, and supplies in deviceWhen the cooling fan body of DC24V power supply damages, there is no pre-alarm, directly trigger excitation unit fault and stopMachine, causes blower fan chaser. On December 16th, 2013 Ma Gangyi energy head factory 2500M3Ventilator Room 3# blower fanBecause the built-in cooling fan of excitation unit (SIMOTRASHD) damages flip flop equipment report fault F067 (eventBarrier value 3) shut down, cause blower fan chaser. Blast furnace blower is the vital equipment of metallurgy industry, and it is reliableOperation is the guarantee that blast furnace safety is produced, and chaser accident occurs serious threat is produced to blast furnace, if not in timeProcessing can cause great economic loss. Consider the importance of blast furnace blower system, must remove excitation dressThe cooling fan of putting damages fault-signal and changes warning into, avoids causing whole blower fan because of the glitch of single equipmentThe unexpected shutdown of system, need leave sufficient time starting standby fan unit or take other measure, not shadowRinging blast furnace produces.
Summary of the invention
For correlative technology field document and above the deficiencies in the prior art, in a large amount of existing literature research and lengthPhase, the present invention proposed " a kind of blast furnace blower excitation unit cooling fan on the basis of association area Development PracticeRunning inspection optimization method ", overcome in prior art that " blast furnace blower system is drawn because of the glitch of single equipmentThe unexpected shutdown of sending out blower fan system whole " etc. technical barrier, realize " avoid shutting down suddenly because of blast furnace blower, tightHeavily threaten blast furnace production stable operation, cause the risk of great economic loss " beneficial effect.
For achieving the above object, the present invention is achieved by the following technical solutions: a kind of blast furnace blower excitationDevice cooling fan running inspection optimization method, comprises the following steps: step 1, to read excitation unit coolingFan real-world operation electric current is through filtering processing; Step 2, judge that whether excitation unit cooling fan electric current is 0.1Ampere is between 0.3 ampere; If step 3 excitation unit cooling fan electric current at 0.1 ampere to 0.3 peaceBetween training, judge whether blast furnace blower moves, if moved, excitation unit cooling fan is normally transportedOK, if off-duty, excitation unit cooling fan ready for operation; If any one encourages step 4Magnetic device cooling fan electric current is not between 0.1 ampere to 0.3 ampere, and excitation unit cooling fan turns round notNormally, detect to judge whether blast furnace blower moves, if moved, excitation unit cooling fan turns round notNormally, send alarm signal; If off-duty, does not allow blast furnace blower to start. Described excitation unit is coolingThe resistance of the power output access simulation fan running current signal of fan. Described excitation unit cooling fanPower supply provided by external power source, breaker is set. The current supply circuit of described excitation unit cooling fan is provided withDC current transmitter. Excitation unit cooling fan signal is sent to DCS by described DC current transmitter,Realization is read excitation unit cooling fan real-world operation electric current and through filtering processing.
The beneficial effect that the present invention possesses is: avoided causing whole blower fan system because of the glitch of single equipmentUnexpected shutdown, avoided shutting down suddenly because of blast furnace blower, serious threat blast furnace production stable operation, causesThe risk of economic loss greatly.
Brief description of the drawings
Fig. 1 is the built-in cooling fan structure figure such as capacity SIMOTRASHD device such as grade of the specific embodiment of the invention;
Fig. 2 is the control flow chart of the specific embodiment of the invention.
Detailed description of the invention
Contrast accompanying drawing below, by the description to embodiment, to the specific embodiment of the present invention as relatedControl system, mutual annexation, and implementation method, be described in further detail, to helpThose skilled in the art has more complete, accurate and deep reason to inventive concept of the present invention, technical schemeSeparate.
Siemens SIMOVTRASHD device has 3 kinds of types of cooling according to the size of output capacity:
(1) low capacity device (rated current is 68A and 78A) adopts from the type of cooling, without cooling airFan.
(2) intermediate size device (rated current is 98A, 112A, 142A and 180A) supplies in adoptingThe cooling fan forced air cooling of DC24V power supply.
(3) large displacement apparatus (rated current >=228A) adopts outer for three-phase AC400V50HZ power supplyCooling fan forced air cooling.
The detection of low capacity device and large displacement apparatus cooling failure adopts monitoring radiator temperature, works as radiatorTemperature during higher than warning threshold value, is reported A067 alarm signal, and device can continue to move; Work as radiator temperatureDuring higher than fault threshold values, report F067 (fault value is 1), device is shut down; When radiator temperature sensorWhen broken string or damage, report F067 (fault value is 2), device is shut down. And intermediate size device is due to cooling airFan adopts internal DC 24V power supply, and device cooling failure detects except having above-mentioned warning and fault functionMore than the detection of cooling fan running, fan non-normal working, report in the time of device operation, detectedF067 (fault value is 3), device is shut down.
Ma Gangyi energy head factory 2500M3What Ventilator Room 3# blower fan excitation unit was selected is that rated current is 142ASIMOTRASHD device belongs to intermediate size, installs cooling detection and the most important thing is to monitor its whether mistakeTemperature, does not report disorderly closedown when the real excess temperature of radiator, can directly cause the damage of device, does not therefore allow to lead toCross SIMOVTRASHD setting parameter and directly remove F067 fault-signal. Intermediate size by analysisSIMOVTRASHD device only has the running current that detects cooling fan by inside whether to judge fanNormal work, has so just determined technical scheme: as shown in Figure 1 at excitation unit (SIMOTRASHD) cooling fan DC24V power output removes fan electromotor power line, access resistance, simulation fanRunning current signal, has so just removed excitation unit (SIMOTRASHD) cooling fan and has damaged faultSignal, retaining device temperature sensor and monitoring temperature signal, and fan power supply is provided by outside DC24V,This loop arranges DC current transmitter, and signal is sent to DCS, and monitoring fan running current, detects just non-When normal running, send fault message.
Intermediate size (rated current is 98A, 112A, 142A and 180A) as shown in Figure 1Built-in 2 DC24V of SIMOTRASHD device, 0.16A cooling fan, installs 2 cooling fansDC24V power output removes fan electromotor power line, accesses respectively 150 Ω, 10W resistance, simulation0.16A fan running current signal, has so just removed excitation unit (SIMOTRASHD) cooling airFan damages fault-signal, retaining device temperature sensor and monitoring temperature signal. And fan power supply is by outsideDC24V power supply provides, and breaker is set, and at 2 cooling fan current supply circuits, high-resolution is set respectivelyThe DC current transmitter of rate, signal is sent to DCS, and monitoring fan running current, when blast furnace blower operationAny desk fan running current of Shi Qizhong detects or < 0.1A or > 0.3A through filtering, on HMI pictureEject the instruction of reporting to the police. Whether in DCS control program, install in addition cooling fan normally moves as blast furnace windOne of condition of machine starting.
As shown in Figure 2, a kind of blast furnace blower excitation unit cooling fan running inspection optimization method, comprise withLower step: step 1, read excitation unit cooling fan real-world operation electric current through filtering processing; Step 2,Judge that excitation unit cooling fan electric current is whether between 0.1 ampere to 0.3 ampere; If step 3 excitationDevice cooling fan electric current, between 0.1 ampere to 0.3 ampere, judges whether blast furnace blower moves, ifThrough operation, excitation unit cooling fan normally moves, if off-duty, the operation of excitation unit cooling fan is accurateStandby ready; If any one excitation unit cooling fan electric current of step 4 is not at 0.1 ampere to 0.3 ampereBetween, the running of excitation unit cooling fan is undesired, judges whether blast furnace blower moves, if transportedOK, the running of excitation unit cooling fan is undesired, sends alarm signal; If off-duty, does not allow blast furnaceFan starting. The power output access simulation fan running current signal of described excitation unit cooling fanResistance. The power supply of described excitation unit cooling fan is provided by external power source, and breaker is set. Described excitationThe current supply circuit of device cooling fan is provided with DC current transmitter. Described DC current transmitter fills excitationPut cooling fan signal and be sent to DCS, realize read excitation unit cooling fan real-world operation electric current and through filterRipple processing.
Professional can also further recognize, the execution step of describing in conjunction with embodiment disclosed hereinSuddenly, can realize with electronic hardware, computer software or the combination of the two, these functions are actually with firmlyPart or software mode are carried out, and depend on application-specific and the design constraint of technical scheme. Specialty skillArt personnel can realize described function with distinct methods to each specifically should being used for, but thisRealize and should not think and exceed scope of the present invention.
The present invention is not limited to above-mentioned specific embodiment, is not departing from spirit of the present invention and real situation thereofUnder, those of ordinary skill in the art can make according to the present invention various corresponding changes and distortion, and these are correspondingThe amendment that the present invention is carried out or be equal to replacement, it all should be encompassed in the model of claim protection of the present inventionIn the middle of enclosing.
Claims (5)
1. a blast furnace blower excitation unit cooling fan running inspection optimization method, is characterized in that the method comprisesFollowing steps: step 1, read excitation unit cooling fan real-world operation electric current through filtering processing;
Step 2, judge that excitation unit cooling fan electric current is whether between 0.1 ampere to 0.3 ampere;
If step 3 excitation unit cooling fan electric current, between 0.1 ampere to 0.3 ampere, judges blast furnace windWhether machine moves, if moved, excitation unit cooling fan normally moves, if off-duty, excitationDevice cooling fan ready for operation;
If any one excitation unit cooling fan electric current of step 4 not between 0.1 ampere to 0.3 ampere,The running of excitation unit cooling fan is undesired, judges that whether blast furnace blower moves, if moved, encouragesThe running of magnetic device cooling fan is undesired, sends alarm signal; If off-duty, does not allow blast furnace blower to openMoving.
2. blast furnace blower excitation unit cooling fan running inspection optimization method according to claim 1, its spyLevy and be: the electricity of the power output access simulation fan running current signal of described excitation unit cooling fanResistance.
3. blast furnace blower excitation unit cooling fan running inspection optimization method according to claim 1, its spyLevy and be: the power supply of described excitation unit cooling fan is provided by external power source, and breaker is set.
4. blast furnace blower excitation unit cooling fan running inspection optimization method according to claim 1, its spyLevy and be: the current supply circuit of described excitation unit cooling fan is provided with DC current transmitter.
5. blast furnace blower excitation unit cooling fan running inspection optimization method according to claim 4, its spyLevy and be: excitation unit cooling fan signal is sent to DCS control system by described DC current transmitter, realNow read excitation unit cooling fan real-world operation electric current and through filtering processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410624330.8A CN104481902B (en) | 2014-11-07 | 2014-11-07 | Blast furnace blower excitation unit cooling fan running inspection optimization method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410624330.8A CN104481902B (en) | 2014-11-07 | 2014-11-07 | Blast furnace blower excitation unit cooling fan running inspection optimization method |
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| Publication Number | Publication Date |
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| CN104481902A CN104481902A (en) | 2015-04-01 |
| CN104481902B true CN104481902B (en) | 2016-05-18 |
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| CN113309605B (en) * | 2021-06-10 | 2022-11-29 | 潍柴动力股份有限公司 | Method for monitoring cooling efficiency of vehicle intercooler |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2003343479A (en) * | 2002-05-23 | 2003-12-03 | Nippon Densan Corp | Dc motor drive circuit |
| KR100548770B1 (en) * | 2003-12-01 | 2006-02-06 | 엘에스산전 주식회사 | Apparatus and method for detecting fault of cooling fan |
| CN1307781C (en) * | 2004-01-19 | 2007-03-28 | 苏州市苏开电气成套公司 | Touch-screen type program controlled synchronous dynamo exciting arrangement and program control method |
| CN1710401B (en) * | 2005-06-17 | 2010-09-22 | 上海宝钢工业检测公司 | Chaotic control method in monitoring on-line state of large centrifugal fan |
| CN202677565U (en) * | 2012-05-17 | 2013-01-16 | 新兴铸管股份有限公司 | An air blower alarm device of a heating furnace |
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| CN104481902A (en) | 2015-04-01 |
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Address after: 243003 Hunan west end of Hunan, Ma'anshan, Anhui Co-patentee after: MAGANG (Group) HOLDING Co.,Ltd. Patentee after: ANHUI MA STEEL AUTOMATION INFORMATION TECHNOLOGY CO.,LTD. Address before: 243003 Hunan West Road, Anhui, Ma'anshan Co-patentee before: MAGANG (Group) HOLDING Co.,Ltd. Patentee before: ANHUI MA STEEL AUTOMATION INFORMATION TECHNOLOGY CO.,LTD. |
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Effective date of registration: 20180424 Address after: 243003 8 Hunan West Road, Yushan, Ma'anshan, Anhui Patentee after: ANHUI MA STEEL AUTOMATION INFORMATION TECHNOLOGY CO.,LTD. Address before: 243003 Hunan west end of Hunan, Ma'anshan, Anhui Co-patentee before: MAGANG (Group) HOLDING Co.,Ltd. Patentee before: ANHUI MA STEEL AUTOMATION INFORMATION TECHNOLOGY CO.,LTD. |
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Address after: 243003 8 Hunan West Road, Yushan, Ma'anshan, Anhui Patentee after: FEIMA ZHIKE INFORMATION TECHNOLOGY Co.,Ltd. Address before: 243003 8 Hunan West Road, Yushan, Ma'anshan, Anhui Patentee before: ANHUI MA STEEL AUTOMATION INFORMATION TECHNOLOGY CO.,LTD. |
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Address after: No. 999, Huolishan Avenue, Yushan District, Ma'anshan, Anhui Province, 243000 Patentee after: Phima Intelligence Technology Co.,Ltd. Address before: 243003 No. 8 West Hunan Road, Yucheng District, Ma'anshan, Anhui Patentee before: FEIMA ZHIKE INFORMATION TECHNOLOGY Co.,Ltd. |