CN107350297A - Strip cooling device and strip cooling means - Google Patents
Strip cooling device and strip cooling means Download PDFInfo
- Publication number
- CN107350297A CN107350297A CN201710566709.1A CN201710566709A CN107350297A CN 107350297 A CN107350297 A CN 107350297A CN 201710566709 A CN201710566709 A CN 201710566709A CN 107350297 A CN107350297 A CN 107350297A
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- China
- Prior art keywords
- strip
- water
- cooling
- plate
- cooling device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 85
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 49
- 239000007921 spray Substances 0.000 claims abstract description 42
- 238000005507 spraying Methods 0.000 claims abstract description 36
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 239000000498 cooling water Substances 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000005096 rolling process Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0203—Cooling
- B21B45/0209—Cooling devices, e.g. using gaseous coolants
- B21B45/0215—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes
- B21B45/0218—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes for strips, sheets, or plates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/04—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for de-scaling, e.g. by brushing
- B21B45/08—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for de-scaling, e.g. by brushing hydraulically
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Abstract
The invention provides a kind of strip cooling device, including transporting chain plate, pinch roll, high-pressure spraying cooling body, straightener and coiling machine.Wherein, high-pressure spraying cooling body is arranged between the pinch roll and the straightener, and strip enters coiling machine after the transporting chain plate, pinch roll, high-pressure spraying cooling body, straightener successively to be completed to batch work.The high-pressure spraying cooling body includes cylinder, water fender, limiting plate, strip directing plate, spray header and bottom plate, in addition to spray hood, the multiple high pressure nozzles being arranged on the spray header, the distributive pipe, the water-main that is connected with the distributive pipe that are connected with the spray header.For strip cooling device provided by the invention using the strip for forcing spraying cooling not batch, technological process is compact, and cooling effectiveness is high, can effectively control the coiling temperature of strip, improves strip quality.Present invention also offers a kind of strip cooling means.
Description
Technical field
The present invention relates to metallurgy industry strip production equipment technology, more particularly to a kind of strip cooling device and band
Steel cooling means.
Background technology
, it is necessary to enter transporting chain plate by trident area after the completion of strip rolls through finish rolling end rolling mill, after transporting chain plate
Bring strip into straightener through pinch roll conveying and aligned, packaging and warehousing after coil of strip is then rolled into by vertical coiler.
Strip goes out in temperature (finishing temperature) technique of finish rolling end rolling mill to require control at 880 DEG C -900 DEG C, and strip passes through
Cross after trident area, rollgang, pinch roll, before being batched, temperature needs to drop to 550 DEG C or so, is so advantageous to band
Steel forms good mechanical performance and physical property, reduces the generation of secondary oxidation iron sheet, is advantageous to retainer belt coil of strip shape.But
It is most to be striven for benefit under maximized target in factory at this stage, mill speed improves to greatest extent in factory, with mill speed
The finishing temperature of raising strip also accordingly improve, finishing temperature has reached 950 DEG C -980 DEG C.The raising of finishing temperature is directly led
The raising (reaching 650 DEG C -680 DEG C) of coiling temperature is caused, causes strip secondary oxidation iron sheet to increase, while with coil of strip completely cold
But shunk seriously after because temperature drop is big, cause coil of strip loose, easily deform, the handling transport to strip causes to perplex.
At present, in order to reduce the belt steel temperature before batching, conventional mode has：
1) forced air-cooling, pressure cooling is carried out to the strip on quick carrier bar using more Fans, this type of cooling increases
Add extra power consumption, improve the rolling cost of strip, and cooling effect is also undesirable.
2) cooling water pipe and simple shower nozzle are installed above transport carrier bar, because there is bearing every piece of carrier bar both sides, simultaneously
The track needs of carrier bar both sides are oily at any time, and this just significantly limit injection flow rate, additionally, due to strip in transport carrier bar
On be vertical, and shower nozzle sprays from top to bottom, is actually sprayed onto that the water of belt steel surface is few, it is difficult to meet the effect for cooling down strip.
The content of the invention
The purpose of the present invention is that at least solve one of drawbacks described above and deficiency, and the purpose is to be achieved through the following technical solutions
's.
The invention provides a kind of strip cooling device, including transporting chain plate, pinch roll, straightener and coiling machine, also wrap
High-pressure spraying cooling body is included, the high-pressure spraying cooling body is arranged between the pinch roll and the straightener, strip
Enter coiling machine after the transporting chain plate, pinch roll, high-pressure spraying cooling body, straightener successively to complete to batch work；
The high-pressure spraying cooling body includes cylinder, water fender, limiting plate, strip directing plate, spray header and bottom
Plate, the water fender and the cylinder drive connection, the strip directing plate are symmetrically disposed in along the moving direction of strip
The left and right sides, the strip directing plate are fixed on the bottom plate, and the limiting plate is fixed on the top of the strip directing plate,
The cylinder drives the water fender to be slided between the limiting plate, and the spray header is symmetrically mounted at the bottom plate
Both sides, multiple high pressure nozzles are provided with each spray header.
Preferably, possesses the gap passed through for the strip between the strip directing plate being symmetrically arranged.
Preferably, the limiting plate is symmetrically arranged on the both sides of the strip, and the limiting plate is arranged on described
The both sides up and down of water fender.
Preferably, the high-pressure spraying cooling body also includes being used for the spray hood for preventing shower water spluttering.
Preferably, the high-pressure spraying cooling body also divides water including the distributive pipe below the bottom plate, with described
The connected water-main of pipe, also, the distributive pipe is connected with the spray header, for providing spray to the spray header
Water.
Preferably, the angle between the moving direction of the bearing of trend of the high pressure nozzle and the strip is 120 °.
Preferably, the shower water of the high pressure nozzle injection is shaped as sector, the fan-shaped water that adjacent high pressure nozzle sprays
There is partial intersection overlapping.
Present invention also offers a kind of strip cooling means, the strip cooling means is to use above-mentioned strip cooling device
Come what is implemented, the strip cooling means includes：
Strip to be cooled is sent to coiling machine, when cylinder driving water fender slides into the extreme position above strip,
Open high-pressure water valve；
The high pressure nozzle for being arranged on the strip both sides starts spray cooling water to strip progress spraying cooling；
When strip curling is completed, high-pressure water valve is closed, high pressure nozzle stops injection, and cylinder driving water fender is opened, returned to
Home position, spraying cooling stop.
Preferably, the injection flow rate of the high pressure nozzle is controlled by the hydraulic pressure and rotating speed for adjusting high-pressure hydraulic pump.
Preferably, automatic control system of the high pressure nozzle with the coiling machine using linkage.
Advantages of the present invention is as follows：
(1) for the present invention using spraying cooling strip is forced, cooling effectiveness is high, can effectively control the coiling temperature of strip,
Reduce the generation of coil of strip secondary oxidation iron sheet, reduce the loss of finished strip, at the same also can retainer belt coil of strip very well shape, keep away
Exempt to caused by transport to perplex because band coil of strip temperature drop is excessive, shrinks serious caused deform.
(2) present invention process flow is compact, and equipment composition is simple, and can make full use of existing equipment, suitable for not
With the strip of kind, have a wide range of application.
(3) present invention automatically controls high pressure nozzle and coiling machine linkage, and automaticity is high.
Brief description of the drawings
By reading the detailed description of hereafter preferred embodiment, it is various other the advantages of and benefit it is common for this area
Technical staff will be clear understanding.Accompanying drawing is only used for showing the purpose of preferred embodiment, and is not considered as to the present invention
Limitation.And in whole accompanying drawing, identical part is denoted by the same reference numerals.
Fig. 1 is the plane arrangement structure schematic diagram of strip forced cooling device provided in an embodiment of the present invention；
Fig. 2 is the A-A cross-sectional views of strip forced cooling device provided in an embodiment of the present invention；
Fig. 3 is the B-B cross-sectional views of strip forced cooling device provided in an embodiment of the present invention；
Fig. 4 is the C-C cross-sectional views of strip forced cooling device provided in an embodiment of the present invention.
Reference is as follows in figure：
1- transporting chain plate 2- pinch rolls
3- high-pressure spraying cooling bodies
301- cylinder 302- water fenders
303- limiting plate 304- strip directing plates
305- spray header 306- bottom plates
307- distributive pipe 408- water-mains
309- spray hood 310- high pressure nozzles
4- straightener 5- coiling machines
6- strips
Embodiment
The illustrative embodiments of the disclosure are more fully described below with reference to accompanying drawings.Although this public affairs is shown in accompanying drawing
The illustrative embodiments opened, it being understood, however, that may be realized in various forms the disclosure without the reality that should be illustrated here
The mode of applying is limited.Conversely, there is provided these embodiments are to be able to be best understood from the disclosure, and can be by this public affairs
The scope opened completely is communicated to those skilled in the art.
Fig. 1-Fig. 4 shows the planar structure schematic diagram of the strip cooling device provided according to the embodiment of the present invention,
As shown in figure 1, the structure of the present apparatus includes：Transporting chain plate 1, pinch roll 2, high-pressure spraying cooling body 3, straightener 4 and batch
Machine 5.
High-pressure spraying cooling body 3 is arranged between pinch roll 2 and straightener 4, and strip 6 is successively by transporting chain plate 1, folder
Complete to batch work into coiling machine 5 after sending roller 2, high-pressure spraying cooling body 3 and straightener 4.
Present embodiment is provided with straightener 4, and before strip 6 enters coiling machine 5, strip 6 is aligned, can be to band
Effect of contraction is played in batching for steel 6, so as to prevent well because strip 6 wind it is irregular cause strip 6 to batch loosely
Situation occur.
Fig. 2 shows the high-pressure spraying cooling body 3 of the strip cooling device provided according to the embodiment of the present invention
Structural representation, draw as shown in Fig. 2 high-pressure spraying cooling body 3 includes cylinder 301, water fender 302, limiting plate 303, strip
Guide plate 304, spray header 305 and bottom plate 306.
Wherein, water fender 302 and the drive connection of cylinder 301, cylinder 301 drive water fender 302 reciprocating.Strip draws
Guide plate 304 is symmetrically disposed in the left and right sides of the moving direction along strip 6, i.e., strip directing plate 304 is with transporting chain plate 1, folder
Send roller 2, straightener 4, the center line of coiling machine 5 to be defined the left and right sides symmetrically, retain between symmetrical strip directing plate 304
The appropriate gap for enabling strip 6 to pass through.Strip directing plate 304 is welded on the bottom plate, for constraining the strip 6
It is mobile, prevent strip 6 from being offset in moving process.
Limiting plate 303 is welded on the top of strip directing plate 304, for limiting the skew in the moving process of water fender 302,
Limiting plate 303 is symmetrically arranged on the both sides of strip 6, and limiting plate 303 is arranged on the both sides up and down of water fender 302,
Gap is provided between multiple limiting plates 303, enables cylinder 301 to drive water fender 302 to be slided between limiting plate 303.
Because high-pressure spraying cooling can produce fluid spills, therefore spray hood 309 is set to be used for preventing shower water spluttering.
As shown in Figure 3 and Figure 4, spray header 305 is symmetrically mounted at the both sides of bottom plate 306, on each spray header 305
Multiple high pressure nozzles 310 are provided with, multiple high pressure nozzles 310 are evenly spaced on spray header 305.Along strip 6
Moving direction is evenly arranged multigroup symmetrical spray header 305 in the upper and lower sides of strip 6, it is ensured that strip 6 cools down uniform
Property.
High-pressure spraying cooling body 3 also includes the distributive pipe 307 below bottom plate 306 and is connected with distributive pipe 307
Water-main 308, same distributive pipe 307 of the symmetrical spray header 305 with the lower section of bottom plate 306 be connected, distributive pipe 307
It is used to provide shower water to spray header 305 with water-main 308.
Thus high pressure nozzle 310 cools down to the spray cooling water of strip 6 to strip 6.The extension side of high pressure nozzle 310
It it is 120 ° to the angle between the moving direction of strip 6, the shower water that high pressure nozzle 310 sprays is shaped as sector, adjacent
The fan-shaped water that high pressure nozzle 310 is sprayed has partial intersection overlapping, is advantageous to HP shower uniformly being injected in without dead angle
On the surface of strip 6, spray scope is set to cover comprehensively.The quantity of high pressure nozzle 310 can be set according to the specific size of strip 6
Put.
According to the embodiment of the present invention, the method cooled down using strip cooling device is comprised the following steps：
1) strip 6 to be cooled is sent to coiling machine 5, cylinder 301 drives water fender 302 to slide into the top of strip 6
During extreme position, high-pressure water valve is opened；
2) high pressure nozzle 310 for being arranged on the both sides of strip 6 starts spray cooling water to the progress spraying cooling of strip 6；
3) when the curling of strip 6 is completed, high-pressure water valve is closed, high pressure nozzle 310 stops injection, and cylinder 301 drives water fender
302 open, and return to home position, and spraying cooling stops.
In specific implementation, water fender 302 can slide under the driving of cylinder 301 between limiting plate 303, when strip 6
When starting to batch into coiling machine, cylinder 301 drives water fender 302 to be slided between limiting plate 303 and moved ahead, and cylinder 301 reaches
During extreme position, the top of strip 6 is completely enclosed by water fender 302, the valve opening (electrical control) of water-main 308, spray
Cooling starts, and high pressure nozzle 310 ejects the shower water of sector, and the spray that adjacent high pressure nozzle 310 sprays to strip 6
Water has that partial intersection is overlapping, and strip 6 batches completion, and the valve of water-main 408 is closed, and cylinder 301 drives water fender 302 to open,
Injection stops.Strip 6 continues to move to, repeat said process the strip 6 for being moved to high-pressure spraying cooling body 3 spray it is cold
But.
In the cooling procedure of strip 6, high pressure nozzle 310 can use the automatic control system to be linked with coiling machine 5, when
When strip 6 batches, high pressure nozzle 310 is opened；When strip 6 batches completion, high pressure nozzle 310 is closed.It is thick further according to strip 6
The difference of degree, the hydraulic pressure of adjustment high-pressure hydraulic pump output and the spray flux of the big minor adjustment high pressure nozzle 310 of rotating speed, can meet difference
Cooling requirement needed for the strip 6 of kind.
By the way of high pressure nozzle spraying cooling, can not only cooling temperature control be carried out to strip, can also remove strip
Scale on surface, strip quality is finally improved, simultaneously because shower water is continuous, therefore be not in interruption phenomenon, can
Continuous cooling, improve cooling effectiveness.Strip cooling device provided by the invention is more preferable for ribbon steel effect.
Strip cooling device provided by the invention adds high-pressure spraying cooling body, is not batched using pressure spraying cooling
Strip, technological process is compact, and equipment composition is simple, and cooling effectiveness is high, can effectively control the coiling temperature of strip, reduce coil of strip
The generation of secondary oxidation iron sheet, reduces the loss of finished strip, at the same also can retainer belt coil of strip very well shape, avoid due to band
Coil of strip temperature drop is excessive, shrinks serious caused deform causes to perplex to transport.
It is pointed out that in the description of the invention, " multiple " are meant that two or more, " multigroup's " contains
Justice is two groups or more；The orientation or position relationship of the instruction such as term ' on ', ' under ', ' left side ', ' right side ', ' side ' are based on attached
Orientation or position relationship shown in figure, it is for only for ease of and describes the present invention and simplify description, rather than indicates or imply and be signified
Device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to the present invention
Limitation.
It is pointed out that unless otherwise clearly defined and limited, term ' installation ', ' setting ', ' connection ' should be done extensively
Reason and good sense solution, for example, it may be being fixedly connected or being detachably connected, or it is integrally connected；Can mechanically connect,
It can be electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, can also be two element internals
Connection, can be wireless connection or wired connection.For a person skilled in the art, can be managed with concrete condition
Solve the concrete meaning of above-mentioned term in the present invention.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, the change or replacement that can readily occur in,
It should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of the claim
Enclose and be defined.
Claims (10)
1. a kind of strip cooling device, including transporting chain plate, pinch roll, straightener and coiling machine, it is characterised in that also include height
Spraying cooling mechanism is pressed, the high-pressure spraying cooling body is arranged between the pinch roll and the straightener, and strip is successively
Enter coiling machine after the transporting chain plate, pinch roll, high-pressure spraying cooling body, straightener to complete to batch work；
The high-pressure spraying cooling body includes cylinder, water fender, limiting plate, strip directing plate, spray header and bottom plate, institute
Water fender and the cylinder drive connection are stated, the strip directing plate is symmetrically disposed in the left and right two along the moving direction of strip
Side, the strip directing plate are fixed on the bottom plate, and the limiting plate is fixed on the top of the strip directing plate, the gas
Cylinder drives the water fender to be slided between the limiting plate, and the spray header is symmetrically mounted at the both sides of the bottom plate,
Multiple high pressure nozzles are provided with each spray header.
2. strip cooling device according to claim 1, it is characterised in that the strip directing plate being symmetrically arranged it
Between possess the gap passed through for the strip.
3. strip cooling device according to claim 1, it is characterised in that the limiting plate is symmetrically arranged on institute
The both sides of strip are stated, the limiting plate is arranged on the both sides up and down of the water fender.
4. strip cooling device according to claim 1, it is characterised in that the high-pressure spraying cooling body also includes using
In the spray hood for preventing shower water spluttering.
5. strip cooling device according to claim 1, it is characterised in that the high-pressure spraying cooling body also includes position
Distributive pipe below the bottom plate, the water-main being connected with the distributive pipe, also, the distributive pipe and the spray header
It is connected, for providing shower water to the spray header.
6. strip cooling device according to claim 1, it is characterised in that the bearing of trend of the high pressure nozzle with it is described
Angle between the moving direction of strip is 120 °.
7. strip cooling device according to claim 1, it is characterised in that the shower water shape of the high pressure nozzle injection
For sector, the fan-shaped water that adjacent high pressure nozzle sprays has partial intersection overlapping.
8. a kind of strip cooling means, the strip cooling means is cold using any one of claim 1 to 7 strip
But come what is implemented, the strip cooling means includes device：
Strip to be cooled is sent to coiling machine, when cylinder driving water fender slides into the extreme position above strip, opened
High-pressure water valve；
The high pressure nozzle for being arranged on the strip both sides starts spray cooling water to strip progress spraying cooling；
When strip curling is completed, high-pressure water valve is closed, high pressure nozzle stops injection, and cylinder driving water fender is opened, returned to original
Position, spraying cooling stop.
9. the method according to claim 8 cooled down using strip cooling device, it is characterised in that the high pressure spray
The injection flow rate of mouth is controlled by the hydraulic pressure and rotating speed for adjusting high-pressure hydraulic pump.
10. the method according to claim 8 cooled down using strip cooling device, it is characterised in that the high pressure
Automatic control system of the nozzle with the coiling machine using linkage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710566709.1A CN107350297A (en) | 2017-07-12 | 2017-07-12 | Strip cooling device and strip cooling means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710566709.1A CN107350297A (en) | 2017-07-12 | 2017-07-12 | Strip cooling device and strip cooling means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107350297A true CN107350297A (en) | 2017-11-17 |
Family
ID=60292025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710566709.1A Pending CN107350297A (en) | 2017-07-12 | 2017-07-12 | Strip cooling device and strip cooling means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107350297A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112170493A (en) * | 2020-10-12 | 2021-01-05 | 山西陆业达冶金机械有限公司 | Rolled steel plate coiling side guide beam spraying device |
| CN113351659A (en) * | 2021-06-09 | 2021-09-07 | 建龙阿城钢铁有限公司 | Impurity cleaning device for hot rolled strip steel three-forked area cooling tank |
| CN113426833A (en) * | 2021-08-06 | 2021-09-24 | 广东韶钢松山股份有限公司 | Bar cutting and cooling device and method |
| CN114210746A (en) * | 2021-11-23 | 2022-03-22 | 中冶南方工程技术有限公司 | Method for cooling equipment in hot-rolled strip steel coiling area |
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| CN113426833A (en) * | 2021-08-06 | 2021-09-24 | 广东韶钢松山股份有限公司 | Bar cutting and cooling device and method |
| CN114210746A (en) * | 2021-11-23 | 2022-03-22 | 中冶南方工程技术有限公司 | Method for cooling equipment in hot-rolled strip steel coiling area |
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