CN106939369A - Immerse tobacco feeder and feed silk method - Google Patents

Immerse tobacco feeder and feed silk method Download PDF

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Publication number
CN106939369A
CN106939369A CN201710287362.7A CN201710287362A CN106939369A CN 106939369 A CN106939369 A CN 106939369A CN 201710287362 A CN201710287362 A CN 201710287362A CN 106939369 A CN106939369 A CN 106939369A
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CN
China
Prior art keywords
silk
termination
feeding
fed
feed
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
Application number
CN201710287362.7A
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Chinese (zh)
Inventor
曾建华
周伟
龚洪君
陈向辉
喻林
王建
谢鑫
何俊峰
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Pangang Group Research Institute Co Ltd
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Pangang Group Research Institute Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Pangang Group Research Institute Co Ltd filed Critical Pangang Group Research Institute Co Ltd
Priority to CN201710287362.7A priority Critical patent/CN106939369A/en
Publication of CN106939369A publication Critical patent/CN106939369A/en
Pending legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/0006Adding metallic additives
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/10Supplying or treating molten metal
    • B22D11/108Feeding additives, powders, or the like
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D27/00Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
    • B22D27/20Measures not previously mentioned for influencing the grain structure or texture; Selection of compositions therefor
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/0075Treating in a ladle furnace, e.g. up-/reheating of molten steel within the ladle
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04Removing impurities by adding a treating agent
    • C21C7/076Use of slags or fluxes as treating agents
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

The invention discloses one kind immersion tobacco feeder and hello silk method, belong to field of metallurgy, a kind of replaceable immersion tobacco feeder for feeding silk end portion for feeding silk conduit is provided and its silk method is fed, immersion can be achieved and feeds silk, and then improve the recovery rate of the noble element of easy scaling loss, the immersion tobacco feeder includes wire feeder main body and feeds silk conduit, also include feeding silk termination, feeding there is wire vent passage in silk termination, the silk termination of feeding removably is arranged on the end for feeding silk conduit, and the wire vent passage is connected with the silk passage of feeding fed in silk conduit.Immersion tobacco feeder of the present invention, immersion hello silk can be respectively adopted as needed or non-invasive feeds silk mode and carries out feeding silk.Especially for the noble element of easy scaling loss, silk thread can be carried out using immersion mode feeding silk, and then be greatly improved its recovery rate, and its stability is also more preferable.

Description

Immerse tobacco feeder and feed silk method
Technical field
The present invention relates to field of metallurgy, and in particular to a kind of immersion tobacco feeder and hello the silk method using the wire feeder.
Background technology
Ladle wire feeding technology is the another metallurgical spraying technique grown up after steel spraying powder, external 70 years 20th century Iron bag calcium, iron alclad line technology have just been manufactured experimently for initial stage and has carried out ladle wire feeding.Technology identical is with dusting, and feeds silk technology and is also Metal or alloy pulvis feeding molten bath (being usually ladle) depths, then blowing to stir by gas makes the material into molten bath Rapid fusing, dissolving and reaction;With the technology of dusting differ be feed silk technology be metal or alloy pulvis by wire feeder The silk thread feeding molten bath depths being made, stirring gas is introduced separately into molten bath.Feed silk when metal or alloy enter molten bath position, Speed and quantity are all directly connected to metallurgical effect, and the determination of these parameters depends primarily on the heating of silk thread, fusion process.
Feed during silk, wire feeder sends into silk thread using silk conduit is fed the depths in molten bath, in order to avoid the steel in molten bath Water-setting forms the dead ends that slag or residual steel will feed silk conduit, usually requires that feeding silk conduit does not immerse in molten steel, that is, feeds silk and lead The mode of the end hanging liquid steel level of pipe feeds silk thread, and alternatively referred to as non-invasive feeds silk;Existing wire feeder is nearly all Silk mode is fed using such a.This hello silk mode is simple to operation, can meet the feeding requirement of most of silk thread.But, due to Feed silk conduit end and liquid steel level between also there is a certain distance, for some easy scaling loss noble element (such as:Calcium, Rare earth, titanium etc.) control there is a situation where that recovery rate is relatively low, less stable.
The content of the invention
Fed present invention solves the technical problem that being to provide a kind of replaceable immersion for feeding silk end portion for feeding silk conduit Silk machine and its hello silk method, can be achieved immersion and feed silk, and then improve the recovery rate of the noble element of easy scaling loss.
The technical solution adopted for the present invention to solve the technical problems is:Immerse tobacco feeder, including wire feeder main body and Silk conduit is fed, also including feeding silk termination, feeding there is wire vent passage in silk termination, hello the silk termination, which is removably arranged on, feeds Silk conduit end, and the wire vent passage with feed silk conduit in hello silk passage connect.
It is further:Feed silk termination and be detachably connected with feeding the end of silk conduit by flange.
It is further:The length that silk termination is fed along hello silk direction is 200mm~500mm.
It is further:The length that silk termination is fed along hello silk direction is 300mm.
It is further:The silk termination of feeding is made up of wolfram steel material.
In addition, the present invention also provides a kind of hello the silk method of the wire feeder described in use the invention described above, and for easy The silk thread that the noble element of scaling loss is made carries out feeding silk, comprises the following steps:
Step one, after the composition and temperature of molten steel are qualified through the adjustment of RH processes, the angle of silk termination is fed in adjustment, will feed silk 100mm~200mm below termination insertion liquid steel level;
Step 2, feeds silk thread, by feeding wire speed control in 4~8m/s, feeds silk process soft blow argon gas;
Step 3, after hello silk terminates, will feed silk termination and is proposed from liquid steel level.
It is further:The noble element of the easy scaling loss is calcium, rare earth or titanium.
It is further:In step one, when the angle of silk termination is fed in adjustment, wire vent direction and the molten steel liquid of silk termination are fed Angle between face is in 60 °~90 °.
The beneficial effects of the invention are as follows:Immersion tobacco feeder of the present invention, immersion can be respectively adopted as needed Feed silk or non-invasive feeds silk mode and carries out feeding silk.Silk method is fed by using of the present invention, for the expensive of easy scaling loss Heavy element is (such as:Calcium, rare earth, titanium etc.) silk thread can be carried out using immersion mode feeding silk, its recovery rate is greatly improved, and Its stability is also more preferable.Such as:Immersion is carried out to calcium line by wire feeder of the present invention and feeds silk, receiving for calcium line is may be such that Rate had brought up to 22%~42% (average 29%) by 8%~33% former (average 25%).In addition, of the present invention Wire feeder, when feeding after silk termination uses certain time or when the situation for occurring to feed the blocking of silk termination, can directly change and feed silk Termination, therefore can be greatly cost-effective, reduce the waste of material;And for feeding maintenance process when silk termination is blocked also more Plus conveniently;Silk termination is fed accordingly in addition, being made by using the wolfram steel material of high temperature resistant and high intensity, can be improved it and be used the longevity Order and avoid to feed the situation generation that silk termination is melted in molten steel.
Brief description of the drawings
Fig. 1 is the annexation schematic diagram of the present invention for immersing tobacco feeder;
Fig. 2 is hello silk termination and the attachment structure schematic diagram for feeding silk conduit;
Marked in figure:Wire feeder main body 1, feed silk conduit 2, feed silk termination 3, wire vent passage 4, feed silk passage 5, flange 6, Bolt 7, silk thread 8.
Embodiment
The present invention is further described with reference to the accompanying drawings and detailed description.
As shown in Figures 1 and 2, immersion tobacco feeder of the present invention, including wire feeder main body 1 and hello silk conduit 2, Also include feeding silk termination 3, there is wire vent passage 4 in hello silk termination 3, dismountable hello the silk that is arranged in silk termination 3 of feeding is led The end of pipe 2, and the wire vent passage 4 with feed silk conduit 2 in feed silk passage 5 connect.
Wherein, hello silk conduit 2 is for feed structure during silk for offer hello the silk passage of silk thread 8, generally being led in hello silk Have in pipe 2 and feed silk passage 5.And heretofore described silk termination 3 of feeding is arranged at the tubulose knot for feeding the end of silk conduit 2 for one section Structure, it is when feeding silk, the final stage conduit entered as silk thread 8 before molten steel.
Silk termination 3 will be fed in the present invention takes dismountable be arranged on to feed on silk conduit 2, and its benefit is to feed silk termination 3 Very easily it can dismantle and be changed after generation blocking, dry slag or heavy wear;It can so avoid changing whole feed Silk conduit 2, therefore can greatly cost-effective and reduction material waste.
More specifically, can specifically set the end for feeding silk termination 3 and hello silk conduit 2 to be carried out by flange 6 in the present invention can Dismounting connection;As shown in Figure 2, corresponding flange 6 is set in the end for feeding silk conduit 2, while set on silk termination 3 being fed Corresponding flange 6, then above-mentioned two flange 6 be attached by bolt 7, you can realize feed silk termination 3 with feed silk conduit 2 it Between be detachably connected.Certainly, without loss of generality, after hello silk termination 3 is connected with feeding silk conduit 2 by corresponding flange 6, its It should make to feed the wire vent passage 4 in silk termination 3 connection corresponding with feeding hello the silk passage 5 in silk conduit 2, to ensure normal feed Silk.
In addition, wire feeder of the present invention, it optionally can feed silk mode using immersion as needed when feeding silk Or non-invasive feeds silk mode and carries out feeding silk;In view of when feed silk using immersion hello silk mode, it usually needs will The depth that silk termination 3 is inserted into 100mm~200mm below liquid steel level is fed, therefore in order to avoid hello silk termination 3 is being immersed into steel The part of flange 6 is also dipped into below liquid steel level when in water, the present invention in require further set feed silk termination 3 along feed silk side To length be 200mm~500mm, to ensure to feed after silk termination 3 is inserted into liquid steel level certain depth, whole flange connects Binding structure is still located on more than liquid steel level.For example, it is 300mm that can specifically set length of hello the silk termination 3 along hello silk direction.
Furthermore, it is contemplated that when feeding silk mode using immersion, feeding silk termination 3 and part being immersed in molten steel, therefore be Ensuring to feed silk termination 3 will not be because liquid steel temperature is too high and melts, deform;Further preferably set in the present invention and feed silk termination 3 It is made up of the wolfram steel material of high temperature resistant and high intensity.Certainly, without loss of generality, silk conduit 2 is fed partially due to steel will not be immersed in In water, therefore heat-resisting quantity, structural strength to it etc. is not strict with, therefore it can use common stainless steel material system Into.
In addition, the present invention also provide it is a kind of feed silk method, using the immersion tobacco feeder described in the invention described above, for pair The silk thread that the noble element of easy scaling loss is made carries out feeding silk, comprises the following steps:
Step one, after the composition and temperature of molten steel are qualified through the adjustment of RH processes, the angle of silk termination 3 is fed in adjustment, will be fed 100mm~200mm below silk termination 3 insertion liquid steel level;
Step 2, feeds silk thread, by feeding wire speed control in 4~8m/s, feeds silk process soft blow argon gas;
Step 3, after hello silk terminates, will feed silk termination 3 and is proposed from liquid steel level.
Wherein, RH processes refer to RH vacuum cycle processes.The silk of feeding of the present invention is to adjust to close by RH processes in molten steel Carried out after lattice.In addition, feed silk during soft blow argon gas, refer to feed silk while ladle bottom or side carry out air blowing behaviour Make.Without loss of generality, the manipulation of above-mentioned RH processes and soft blow argon gas is prior art, and the present invention does not make detailed annotation introduction again.
In addition, in step 3, after hello silk terminates, should will promptly feed silk termination 3 and be proposed from liquid steel level, to keep away Exempt from molten steel feeding the interior formation dry slag in silk termination 3 and causing the closure to hello silk termination 3.In addition, being taken out silk termination 3 will be fed Afterwards, it can also be observed, whether remain substantial amounts of dry slag on silk termination 3 clearly feeds, feed whether silk termination 3 is blocked Whether plug, feeds whether silk termination 3 is melted or situations such as heavy wear, and then clear and definite need to change it;For It is when needing to change the situation for feeding silk termination 3, then removable to lay down original hello silk termination 3, and hello the silk termination 3 more renewed in time.
In addition, heretofore described silk method of feeding is that a kind of immersion feeds silk method, it is directed to for the expensive of easy scaling loss The silk of feeding of heavy element is used, wherein the noble element of the easy scaling loss can be the elements such as calcium, rare earth or titanium.
In addition, in the present invention, in step one, the angle of silk termination 3 is fed in adjustment, and its purpose is to the feeding of silk thread 8 More smooth, hello silk is better;Preferably the wire vent direction of silk termination 3 is fed in the present invention when the angle of silk termination 3 is fed in adjustment Angle between liquid steel level is in 60 °~90 °.
Specific embodiment 1
To calcium line feed hello the silk method of silk using immersion tobacco feeder of the present invention, comprise the following steps:
Step 1: after molten steel composition and temperature are qualified through the adjustment of RH processes, the angle of silk termination 3 is fed in adjustment, will feed silk Termination 3 is perpendicularly inserted 100mm below liquid steel level;
Step 2: feeding calcium line, by feeding wire speed control in 6m/s, feeds silk process soft blow argon gas;
Step 3: after hello silk terminates, silk termination 3 will be fed and proposed from liquid steel level;
Afterwards, then to molten steel soft blow more than 5 minutes, then sampling is detected.
As a result:Sampled detection, the recovery rate that embodiment 1 feeds silk is 42%, hence it is evident that entered higher than using traditional wire feeder Row feeds the average recovery rate of silk, wherein the average recovery rate for carrying out feeding silk using traditional wire feeder is about 25%.
Specific embodiment 2
To calcium line feed hello the silk method of silk using immersion tobacco feeder of the present invention, comprise the following steps:
Step 1: after molten steel composition and temperature are qualified through the adjustment of RH processes, the angle of silk termination 3 is fed in adjustment, will feed silk Termination 3 is with 200mm below 70 ° of angle of inclination insertion liquid steel level;
Step 2: feeding calcium line, by feeding wire speed control in 5m/s, feeds silk process soft blow argon gas;
Step 3: after hello silk terminates, silk termination 3 will be fed and proposed from liquid steel level;
Afterwards, then to molten steel soft blow more than 5 minutes, then sampling is detected.
As a result:Sampled detection, the recovery rate that embodiment 2 feeds silk is 41%, hence it is evident that entered higher than using traditional wire feeder Row feeds the average recovery rate of silk, and the average recovery rate for carrying out feeding silk using traditional wire feeder is about 25%.
Specific embodiment 3
To calcium line feed hello the silk method of silk using immersion tobacco feeder of the present invention, comprise the following steps:
Step 1: after molten steel composition and temperature are qualified through the adjustment of RH processes, the angle of silk termination 3 is fed in adjustment, will feed silk Termination 3 is perpendicularly inserted 150mm below liquid steel level;
Step 2: feeding calcium line, by feeding wire speed control in 8m/s, feeds silk process soft blow argon gas;
Step 3: after hello silk terminates, silk termination 3 will be fed and proposed from liquid steel level;
Afterwards, then to molten steel soft blow more than 5 minutes, then sampling is detected.
As a result:Sampled detection, the recovery rate that embodiment 3 feeds silk is 38%, hence it is evident that entered higher than using traditional wire feeder Row feeds the average recovery rate of silk, and the average recovery rate for carrying out feeding silk using traditional wire feeder is about 25%.

Claims (8)

1. tobacco feeder is immersed, including wire feeder main body (1) and hello silk conduit (2), it is characterised in that:Also include feeding silk termination (3), feeding with wire vent passage (4) in silk termination (3), dismountable be arranged in hello silk termination (3) feeds silk conduit (2) End, and the wire vent passage (4) with feed silk conduit (2) in feed silk passage (5) connect.
2. tobacco feeder is immersed as claimed in claim 1, it is characterised in that:Silk termination (3) are fed with feeding the end of silk conduit (2) It is detachably connected by flange (6).
3. tobacco feeder is immersed as claimed in claim 1, it is characterised in that:The length that silk termination (3) are fed along silk direction is fed Spend for 200mm~500mm.
4. tobacco feeder is immersed as claimed in claim 3, it is characterised in that:The length that silk termination (3) are fed along silk direction is fed Spend for 300mm.
5. tobacco feeder is immersed as claimed in claim 1, it is characterised in that:Feed silk termination (3) are made up of wolfram steel material.
6. feed silk method, it is characterised in that:Using the immersion tobacco feeder pair described in any one in the claims 1 to 5 The silk thread (8) that the noble element of easy scaling loss is made carries out feeding silk, comprises the following steps:
Step one, after the composition and temperature of molten steel are qualified through the adjustment of RH processes, the angle of silk termination (3) is fed in adjustment, will feed silk 100mm~200mm below termination (3) insertion liquid steel level;
Step 2, feeding silk thread (8), by feeding wire speed control in 4~8m/s, feeds silk process soft blow argon gas;
Step 3, after hello silk terminates, will feed silk termination (3) and is proposed from liquid steel level.
7. silk method is fed as claimed in claim 6, it is characterised in that:The noble element of the easy scaling loss is calcium, rare earth or titanium.
8. silk method is fed as claimed in claim 6, it is characterised in that:In step one, the angle of silk termination (3) is fed in adjustment When, it is in 60 °~90 ° to feed the angle between the wire vent direction of silk termination (3) and liquid steel level.
CN201710287362.7A 2017-04-27 2017-04-27 Immerse tobacco feeder and feed silk method Pending CN106939369A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710287362.7A CN106939369A (en) 2017-04-27 2017-04-27 Immerse tobacco feeder and feed silk method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710287362.7A CN106939369A (en) 2017-04-27 2017-04-27 Immerse tobacco feeder and feed silk method

Publications (1)

Publication Number Publication Date
CN106939369A true CN106939369A (en) 2017-07-11

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CN201710287362.7A Pending CN106939369A (en) 2017-04-27 2017-04-27 Immerse tobacco feeder and feed silk method

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108707720A (en) * 2018-05-29 2018-10-26 攀钢集团攀枝花钢铁研究院有限公司 Wire feeder for liquid steel refining

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101045951A (en) * 2006-03-27 2007-10-03 宝山钢铁股份有限公司 Molten stainless steel dephosphorizing process and plant
CN201241169Y (en) * 2008-08-14 2009-05-20 唐山钢铁股份有限公司 Elevation type wire feeding apparatus
CN201395613Y (en) * 2009-04-27 2010-02-03 宝山钢铁股份有限公司 Wire feeding guide connecting structure
CN201703912U (en) * 2010-06-25 2011-01-12 首钢水城钢铁(集团)有限责任公司 High-efficiency wire feed guide tube
CN103276146A (en) * 2013-05-23 2013-09-04 湖北亚克新材料有限公司 Efficient anti-blocking quickly-replaceable immersive wire feeding sleeve and method
CN104611507A (en) * 2013-11-04 2015-05-13 常州市新科冶金材料有限公司 Immersion-type core-spun yarn feeding device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101045951A (en) * 2006-03-27 2007-10-03 宝山钢铁股份有限公司 Molten stainless steel dephosphorizing process and plant
CN201241169Y (en) * 2008-08-14 2009-05-20 唐山钢铁股份有限公司 Elevation type wire feeding apparatus
CN201395613Y (en) * 2009-04-27 2010-02-03 宝山钢铁股份有限公司 Wire feeding guide connecting structure
CN201703912U (en) * 2010-06-25 2011-01-12 首钢水城钢铁(集团)有限责任公司 High-efficiency wire feed guide tube
CN103276146A (en) * 2013-05-23 2013-09-04 湖北亚克新材料有限公司 Efficient anti-blocking quickly-replaceable immersive wire feeding sleeve and method
CN104611507A (en) * 2013-11-04 2015-05-13 常州市新科冶金材料有限公司 Immersion-type core-spun yarn feeding device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108707720A (en) * 2018-05-29 2018-10-26 攀钢集团攀枝花钢铁研究院有限公司 Wire feeder for liquid steel refining

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Application publication date: 20170711

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