CN110042184A - A method of monitoring blast furnace material distribution chute falls off - Google Patents
A method of monitoring blast furnace material distribution chute falls off Download PDFInfo
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- CN110042184A CN110042184A CN201910455038.0A CN201910455038A CN110042184A CN 110042184 A CN110042184 A CN 110042184A CN 201910455038 A CN201910455038 A CN 201910455038A CN 110042184 A CN110042184 A CN 110042184A
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- charge level
- chute
- blast furnace
- shape
- case library
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B5/00—Making pig-iron in the blast furnace
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/18—Bell-and-hopper arrangements
- C21B7/20—Bell-and-hopper arrangements with appliances for distributing the burden
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/24—Test rods or other checking devices
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Blast Furnaces (AREA)
Abstract
The invention discloses a kind of methods that monitoring blast furnace material distribution chute falls off.This method is measured shape of charge level using scanning radar, including charge level scanning radar unit, Database Unit, building chute state recognition repository unit, furnace roof shape of charge level pattern-recognition；If shape of charge level is similar with normal case library, judge that chute is normal, blast furnace normal operating；If shape of charge level is similar with abnormal case library, judges chute operation irregularity, then carry out blast furnace maintenance.The technical program can be whether falling off first time according to the anomaly blast furnace material distribution chute of burden distribution, once going out distributor chute by charge level anomalous identification to be fallen off, computer and alarm, blast furnace stopping, open blast furnace roof inspection manhole, more renew chute in time, to substantially reduce blast furnace loss.
Description
Technical field
The present invention relates to blast-furnace equipment online diagnosing technique of support shaft field, specifically a kind of monitoring blast furnace material distribution chute falls off
Method.
Background technique
Current almost all of ironmaking equipment is all blast furnace, and blast furnace is a kind of super-huge high temperature, high-pressure reactor, with working as
The progress of preceding blast furnace enlargement, nearly all blast furnace are all the cloth process that blast furnace is realized with distributor chute, distributor chute work
Make high temperature (80-350 DEG C), high pressure (0-2.5atm), (50-300mg/m3) dusty environment in, length is in 3-5m, weight
Up to 1.5-3.0 tons of amount, semicircular in shape or rectangle, are suspended on gear-box by suspension mechanism, pass through the operating of gear-box
It realizes the set motion profile of chute, movement of the furnace charge on chute is realized by valve switch angle, realizes furnace charge in furnace roof
Reasonable layout, furnace charge are just able to achieve reasonable ore, coke layered arrangement, ore, coke only by the reasonable layout in furnace roof
Charcoal thickness realizes that near sinusoidal is distributed on furnace throat radial direction, just can guarantee that the stable smooth operation of blast furnace, furnace charge smoothly decline, change
Reaction is learned to go on smoothly, smelt smooth, blast furnace stabilization.
It once destroying this nearly Sine distribution, will lead to many problems, or destroy decline or the coal of furnace charge
Air flow method is uneven, and this unstable will cause goes ape, and influences blast-furnace slag and molten iron discharge and the life of the blast furnace, usually
It will cause huge loss.
It is exactly that chute falls off that the failure of the nearly Sine distribution most serious of furnace charge is destroyed in blast fumance, in blast fumance due to
Mechanical breakdown or production accident will cause chute disengaging gear-box suspension mechanism and drop into blast furnace, and at this moment furnace charge once leaves
Discharge door just loses adjustment mechanism, and blast furnace center can be fallen directly on by central throat tube, and such case seriously destroys furnace charge
In the principle of the nearly Sine distribution of furnace throat radial direction, blast fumance can be caused to seriously endanger.But since chute is closed
It is run in high-pressure bottle, belongs to "black box" operation, chute once falls off, and is difficult even if discovery, this situation once occurs will
Significant damage is caused to blast fumance, enterprises' loss is heavy.
Document " Li Jianhua, No. 2 blast furnaces of Xuan Gang improve the measure of distributor chute service life " (ironmaking, 4 phases in 2015,
Vol34, No2, P24-27) shown in, many enterprises are observed by installing infrared imaging device in furnace roof by infrared equipment at present
Chute operation conditions, this is solved the problems, such as, but due to directly contacting in infrared equipment and furnace, steam and dust pole in furnace
It is easily bonded on camera lens and infrared measurement is interfered, be difficult to find the operating status of chute in many cases.Infrared survey
It is the indirect operation equipment being distributed by infrared rays survey in-furnace temperature after all, major function is not observation chute state,
Infrared equipment is also without chute operating status warning function at present, and site operation personnel is seldom in addition, without personnel exclusively by
Infrared equipment pays close attention to chute operating status, so being difficult to find material distribution chute on furnace top of blast furnace in time by furnace roof infrared equipment merely
Motion state.
Document " Zhao Yanting, Qiao Xianping, using historical trend accurate judgement blast furnace material distribution chute case accident (the electric world,
2017-8, P43-44) " in provide a kind of method that chute operating status is forecast using rotating electric machine curent change, the party
Method evaluates chute working condition by the variation of chute rotatory current, since rotatory current is by chute weight, connection type, liquid
The many factors such as pressure and lubricating system influence, and also have very big error whether judging that chute falls off by electric current merely.
As document " Li Jianhua, No. 2 blast furnaces of Xuan Gang improve the measure of distributor chute service life " (ironmaking, 4 phases in 2015,
Vol34, No2, P24-27 "), " Zhao Yanting, Qiao Xianping's document are fallen off thing using historical trend accurate judgement blast furnace material distribution chute
Therefore (the electric world, 2017-8, P43-44) " shown in, there are errors for direct 2 kinds of methods for judging blast furnace material distribution chute situation at present
Greatly, not in time, it is not intuitive, reaction is insensitive the disadvantages of.
Summary of the invention
The object of the invention is to solve the problems, such as the above technology, and a kind of monitoring blast furnace material distribution is provided thus and is slipped
The method that slot falls off.Whether this method can find that blast furnace material distribution chute falls off in time, the blast furnace loss thus caused is reduced.
To reach above-mentioned technical purpose, the invention adopts the following technical scheme:
A method of monitoring blast furnace material distribution chute falls off, and is measured using scanning radar to shape of charge level, including with
Lower step:
Step 1: charge level scanning radar, charge level scanning radar and industry charge level scanning radar unit: being installed in blast furnace roof
Computer is connected, and in blast furnace material distribution chute cloth process, radar is according to preset frequency scanning surface shape, in blast furnace cross section
If certain radial direction is done in the rectilinear direction formed for scan data collection point, instrumentation radar with each scan data collection point
Charge level distance, wherein radar surveying distance can be automatically converted to coordinate position, be completed by radar measurement system, then be wrapped
Numerical value charge level data are corresponded to containing x, y-coordinate, collect all charge level distances to assess shape of charge level；
Step 2: building Database Unit: scanning radar being scanned the charge level data obtained after charge level and is converted to and is expected with 0 meter
Charge level data on the basis of line, and this group of data are saved in the database, a burden distribution matrix correspond to 2 charge levels, and one
Ore charge level and a coke charge level；
Step 3: building chute state recognition repository unit: the various shape of charge level structures obtained using scanning radar measurement
Chute state recognition knowledge base is built, is specifically included,
Step 3.1: finding out the shape of charge level of ore, coke under normal cloth state according to burden distribution matrix, known using mode
Other technology constructs chute normal condition case library；
Step 3.2: shape of charge level in batches, when batch weight calculates separately coke, ore is distributed into blast furnace center constructs chute
Abnormality case library；
Step 3.3: chute state case library being constructed with above-mentioned typical case library, each case includes cloth square in case library
Battle array, batch weight, shape of charge level information；
Step 4: furnace roof shape of charge level pattern-recognition: after surveying charge level with scanning radar every time, by scan data and case library
In case matched, judge that the shape of charge level meets normal case library or abnormal case library；
If shape of charge level is similar with normal case library, judge that chute is normal, blast furnace normal operating；
If shape of charge level is similar with abnormal case library, judges chute operation irregularity, then carry out blast furnace maintenance.
Preferably, pattern-recognition described above uses k-means algorithm.
Preferably, the every cloth of blast furnace material distribution chute is primary in step 1 described above, radar is scanned for a charge level shape
Shape.
Preferably, after blast furnace staying, open furnace roof manhole when blast furnace maintenance described above, check chute situation,
If it is confirmed that chute falls off, then more renew chute, after new chute is replaced and is debugged normally, blow-on is produced blast furnace again.
Preferably, the quantity of scan data collection point described above is 30~50, further, the scan data
The quantity of collection point is 40.
After adopting the above technical scheme, this patent is that the shape of charge level measured using scanning radar is transported to evaluate distributor chute
Row state, chute once fall off, and furnace charge is by the shape of charge level that all mounted in blast furnace central area, at this moment scanning radar is measured and just
The shape of charge level difference of normal state is very big, it is easy to whether judging that chute falls off.
Scanning radar can all measure shape of charge level after the blast furnace for being mounted with furnace roof charge level scanning radar, each cloth, benefit
With this method can whether being fallen off according to the anomaly blast furnace material distribution chute of burden distribution first time, once pass through charge level
Anomalous identification goes out distributor chute and is fallen off, and computer is answered and alarm, blast furnace operating personnel can blowing out, open blast furnace
Furnace roof inspection manhole more renews chute in time, therefore, using this method can in time, it is accurate, identify blast furnace cloth at low cost
Expect the situation of chute, reduces blast furnace loss to greatest extent, significantly improve the safety coefficient of production operation.
Detailed description of the invention
Fig. 1 is a kind of Method And Principle schematic diagram that monitoring blast furnace material distribution chute falls off of the present invention；
Fig. 2 is chute cloth hour angle position and charge level principle schematic diagram in the present invention.
Specific embodiment
In order to make the present invention be easier to be understood, technical solution of the present invention is made below in conjunction with drawings and examples
To be described in detail.
As shown in Figure 1 and Figure 2, the present embodiment is with 3200m3It is de- to a kind of monitoring blast furnace material distribution chute of the present invention for blast furnace
The method fallen is described in detail.
In the present embodiment, furnace roof radius of a circle 4.5m, chute length 4m, using semicircle chute cloth, using a coke one
The mode of mine carries out cloth.
Typical burden distribution matrix is as shown in the table.One batch of material includes coke, ore, the coke, and ore requires chute and turns
Several circle numbers for crossing setting can just install.
Table 1: typical burden distribution matrix
| Chute angle position | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 |
| Coke, cloth feed ring number | 0 | 0 | 3 | 3 | 2 | 2 | 1 | 0 | 0 | 0 | 3 |
| Ore, cloth feed ring number | 0 | 0 | 3 | 3 | 2 | 2 | 0 | 0 | 0 | 0 | 0 |
Ore batch weight is not more than 110 tons in the present embodiment, and coke batch weight is not more than 24 tons.Ore replaces cloth with coke.
In above-mentioned matrix, angle position refers to the angle position that distributor chute fascinates, as shown in Fig. 2, altogether including 11 cloth material positions
It sets, number is 1-11 from inside to outside.In cloth process, chute can be rotated along blast furnace longitudinal axis center, and cloth feed ring number refers to
The circle number that distributor chute is rotated in respective angles.
Step 1: charge level scanning radar unit: in 3200m31 charge level scanning radar, charge level are installed at blast furnace radar stock rod
Scanning radar is connected with industrial computer, measures stockline depth 0-8m, blast furnace material distribution chute is according to the every cloth of above-mentioned burden distribution matrix
Once, which is scanned for a shape of charge level, and chooses along blast furnace cross sectional radius direction scan data collection point, measurement
The charge level distance in rectilinear direction that radar and each scan data collection point are formed, collects all charge level distances to assess charge level
Shape；
The quantity of scan data collection point regards the factors such as required precision, actual working conditions factor, computer hardware condition
And adjust, such as the present embodiment can use 30~50 scan data collection points in blast furnace cross section radial direction, into one
Step ground, the quantity of scan data collection point can be 40.
Step 2: building Database Unit: scanning radar being scanned the charge level data obtained after charge level and is converted to and is expected with 0 meter
Charge level data on the basis of line, that is, the ordinate of the charge level of different height is changed, eliminate charge level whole height
Different factor interference, only considers the difference of burden distribution shape, as described in Figure 2, and this 40 groups (x, y-coordinate) data is saved
In the database, a burden distribution matrix corresponds to 2 charge levels, and ore is one corresponding, coke is one corresponding, saves altogether 3 months
Cloth data, general daily cloth 140 batches, available coke, ore shape of charge level each 140,3 months every months pressed 30 days
It calculates, altogether available 12600 coke shapes, 12600 ore shapes.
Step 3: building chute state recognition repository unit: the various shape of charge level structures obtained using scanning radar measurement
Build chute state recognition knowledge base.
Step 3.1: finding out the shape of charge level of ore, coke under normal cloth state according to burden distribution matrix, known using mode
Other technology constructs chute normal condition case library.With 3200m3For blast furnace, coke shape of charge level can be divided into 9 classes, by mine
Stone shape of charge level is divided into 7 classes.It is every a kind of corresponding to a kind of burden distribution.
Step 3.2: shape of charge level in batches, when batch weight calculates separately coke, ore is distributed into blast furnace center constructs chute
Abnormality case library.It, here will be according to acquisition since blast furnace is difficult to obtain the shape of charge level formed after actual chute falls off
Basic charge level, construct chute operation irregularity when case library, can be in coke basis charge level with the mode of following table referring to table 2
It is upper to form the charge level after 108 kinds of chutes fall off, the charge level after 84 kinds of chutes fall off is formed on the charge level of ore basis, is passed through respectively
After the identification of k-means algorithm pattern, the coke shape of charge level after chute being fallen off falls into 5 types, by ore charge level shape
Shape is divided into 4 classes.Relevant classification data are as follows:
Table 2: basestocks face data classification chart
Step 3.3: chute state case library is constructed with above-mentioned typical case library.Each case includes cloth square in case library
The key messages such as battle array, batch weight, shape of charge level.Such as information shown in following table, the numerical value 1 in table in ore and coke column indicate furnace charge
Type, for example, ore column is 1, then it represents that the material of the secondary dress is ore.
Table 3: chute state case library relevant information
| Case type | Burden distribution matrix number | Batch weight (t) | Ore | Coke | Shape of charge level |
| 1 | 4 | 110 | 1 | 3 | |
| 2 | 4 | 22 | 1 | 3 |
Step 4: furnace roof shape of charge level pattern recognition unit: surveying the case after charge level and in case library with scanning radar every time
Example is matched, and judges that the shape of charge level meets normal case library or abnormal case library.
If shape of charge level is similar with 16 classes in normal case library, judge that chute is normal, on the contrary, if shape of charge level
It is similar with 9 classes in abnormal case library, then judge chute operation irregularity.
Step 5: blast furnace normal operating unit: if shape of charge level is similar with normal case library, judging that chute is normal, dimension
Hold current burden distribution matrix, blast furnace normal operating.
Step 6: chute anomaly unit: if shape of charge level is similar with abnormal case library, judging chute operation irregularity, will
Blast furnace staying is arranged to replace chute.
Step 7: damping down replaces chute unit: after blast furnace staying, opening furnace roof manhole, chute situation is checked, if really
Recognize chute to fall off, then more renew chute, after new chute is replaced and is debugged normally, blow-on is produced blast furnace again.
The method that monitoring blast furnace material distribution chute described herein falls off is carried out using mass data and mode identification technology
The state of chute judges that wherein mode identification technology is industry-wide well-known technique, such as the present embodiment is used
K-means algorithm, can be realized using existing industrial computer and ready-made code, the signal of radar and industrial computer
Connection and integrated control are also mature well-known technique, and and will not be described here in detail.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (7)
1. a kind of method that monitoring blast furnace material distribution chute falls off, it is characterised in that surveyed using scanning radar to shape of charge level
It is fixed, comprising the following steps:
Step 1: charge level scanning radar unit: charge level scanning radar being installed in blast furnace roof, charge level scanning radar and industry calculate
Machine is connected, and in blast furnace material distribution chute cloth process, radar is according to preset frequency scanning surface shape, with certain in blast furnace cross section half
If diameter directional spreding is done in the rectilinear direction formed for scan data collection point, instrumentation radar with each scan data collection point
Charge level distance, collect all charge level distances to assess shape of charge level；
Step 2: building Database Unit: scanning radar being scanned the charge level data that obtain after charge level and is converted to be with 0 meter of stockline
The charge level data of benchmark, and this group of data are saved in the database, a burden distribution matrix corresponds to 2 charge levels, an ore
Charge level and a coke charge level；
Step 3: building chute state recognition repository unit: the various shape of charge level building obtained using scanning radar measurement is slipped
Slot state recognition knowledge base, specifically includes,
Step 3.1: finding out the shape of charge level of ore, coke under normal cloth state according to burden distribution matrix, utilize pattern-recognition skill
Art constructs chute normal condition case library；
Step 3.2: shape of charge level in batches, when batch weight calculates separately coke, ore is distributed into blast furnace center, building chute are abnormal
State case library；
Step 3.3: chute state case library is constructed with above-mentioned typical case library, in case library each case include burden distribution matrix,
Batch weight, shape of charge level information；
Step 4: furnace roof shape of charge level pattern-recognition:, will be in scan data and case library after surveying charge level with scanning radar every time
Case is matched, and judges that the shape of charge level meets normal case library or abnormal case library；
If shape of charge level is similar with normal case library, judge that chute is normal, blast furnace normal operating；
If shape of charge level is similar with abnormal case library, judges chute operation irregularity, then carry out blast furnace maintenance.
2. the method that monitoring blast furnace material distribution chute according to claim 1 falls off, it is characterised in that the pattern-recognition is adopted
With k-means algorithm.
3. the method that monitoring blast furnace material distribution chute according to claim 1 falls off, it is characterised in that high in the step 1
The every cloth of furnace distributor chute is primary, and radar is scanned for a shape of charge level.
4. the method that monitoring blast furnace material distribution chute according to claim 1 falls off, it is characterised in that when the blast furnace maintenance,
After blast furnace staying, furnace roof manhole is opened, chute situation is checked, if it is confirmed that chute falls off, then more renews chute, slipped newly
After slot is replaced and debugged normally, blow-on is produced blast furnace again.
5. the method that monitoring blast furnace material distribution chute according to claim 1 falls off, it is characterised in that the material in the step 2
Face data corresponds to numerical value comprising x, y-coordinate.
6. the method that monitoring blast furnace material distribution chute according to claim 1 falls off, it is characterised in that the scan data is adopted
The quantity of collection point is 30~50.
7. the method that monitoring blast furnace material distribution chute according to claim 6 falls off, it is characterised in that the scan data is adopted
The quantity of collection point is 40.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110791604A (en) * | 2019-11-01 | 2020-02-14 | 河钢股份有限公司承德分公司 | Blast furnace distribution chute monitoring device and monitoring method |
| CN112322811A (en) * | 2020-10-14 | 2021-02-05 | 首钢京唐钢铁联合有限责任公司 | Method and device for judging falling of material distribution chute at top of blast furnace |
| CN113031103A (en) * | 2021-02-09 | 2021-06-25 | 鞍钢股份有限公司 | Method for rapidly judging falling-off of furnace top chute of blast furnace |
| CN114058757A (en) * | 2021-11-11 | 2022-02-18 | 武汉钢铁有限公司 | Method for judging abnormal work of distributing device in airtight and invisible environment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4110617A (en) * | 1976-03-17 | 1978-08-29 | S.A. Des Anciens Establissements Paul Wurth | Infra-red profilometer |
| US4463437A (en) * | 1981-04-27 | 1984-07-31 | Bethlehem Steel Corp. | Furnace burden thermographic method and apparatus |
| CN101492750A (en) * | 2008-12-30 | 2009-07-29 | 北京科技大学 | High furnace burden face measurement and control system based on industrial phased array radar |
| CN102181592A (en) * | 2011-05-16 | 2011-09-14 | 北京科技大学 | Bell-less blast furnace top distribution closed-loop control method based on multipoint radar data |
| CN102732659A (en) * | 2011-04-11 | 2012-10-17 | 宝山钢铁股份有限公司 | Burden surface profile control method of blast furnace burden distribution and control system |
| CN107641669A (en) * | 2017-09-01 | 2018-01-30 | 武汉钢铁有限公司 | A kind of method that the smelting of 4000m3 blast furnaces efficient low-consume is realized using scanning radar |
-
2019
- 2019-05-29 CN CN201910455038.0A patent/CN110042184B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4110617A (en) * | 1976-03-17 | 1978-08-29 | S.A. Des Anciens Establissements Paul Wurth | Infra-red profilometer |
| US4463437A (en) * | 1981-04-27 | 1984-07-31 | Bethlehem Steel Corp. | Furnace burden thermographic method and apparatus |
| CN101492750A (en) * | 2008-12-30 | 2009-07-29 | 北京科技大学 | High furnace burden face measurement and control system based on industrial phased array radar |
| CN102732659A (en) * | 2011-04-11 | 2012-10-17 | 宝山钢铁股份有限公司 | Burden surface profile control method of blast furnace burden distribution and control system |
| CN102181592A (en) * | 2011-05-16 | 2011-09-14 | 北京科技大学 | Bell-less blast furnace top distribution closed-loop control method based on multipoint radar data |
| CN107641669A (en) * | 2017-09-01 | 2018-01-30 | 武汉钢铁有限公司 | A kind of method that the smelting of 4000m3 blast furnaces efficient low-consume is realized using scanning radar |
Non-Patent Citations (3)
| Title |
|---|
| 杜鹏宇等: "激光技术在无钟炉顶布料和料面监测中的应用 ", 《中国冶金》 * |
| 潘志生: "激光测量料面技术在梅钢4号高炉的应用 ", 《炼铁技术通讯》 * |
| 黄海锋等: "1B高炉精准布料的措施 ", 《柳钢科技》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110791604A (en) * | 2019-11-01 | 2020-02-14 | 河钢股份有限公司承德分公司 | Blast furnace distribution chute monitoring device and monitoring method |
| CN110791604B (en) * | 2019-11-01 | 2023-12-22 | 河钢股份有限公司承德分公司 | Blast furnace distribution chute monitoring device and method |
| CN112322811A (en) * | 2020-10-14 | 2021-02-05 | 首钢京唐钢铁联合有限责任公司 | Method and device for judging falling of material distribution chute at top of blast furnace |
| CN113031103A (en) * | 2021-02-09 | 2021-06-25 | 鞍钢股份有限公司 | Method for rapidly judging falling-off of furnace top chute of blast furnace |
| CN114058757A (en) * | 2021-11-11 | 2022-02-18 | 武汉钢铁有限公司 | Method for judging abnormal work of distributing device in airtight and invisible environment |
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| CN110042184B (en) | 2021-01-15 |
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