CN102794390A - Used sand reclamation plant - Google Patents
Used sand reclamation plant Download PDFInfo
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- CN102794390A CN102794390A CN2012102552214A CN201210255221A CN102794390A CN 102794390 A CN102794390 A CN 102794390A CN 2012102552214 A CN2012102552214 A CN 2012102552214A CN 201210255221 A CN201210255221 A CN 201210255221A CN 102794390 A CN102794390 A CN 102794390A
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- sand
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- wearing plate
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Abstract
The invention relates to a used sand reclamation plant, comprising a rack and an upper millstone and a lower millstone which are arranged on the rack and are gyratory relative to each other. The lower end of the upper millstone is provided with an upper millstone grinding surface, and the upper end of the low millstone is provided with a lower millstone grinding surface which is opposite to the upper millstone grinding surface and is used for cooperating with the upper millstone grinding surface to squeeze and twist the corresponding used sand particles. An accommodating space which is used for accommodating the corresponding used sand particles is arranged between the upper millstone grinding surface and the lower millstone grinding surface. The used sand reclamation plant provided by the invention is low in use cost, with not easily broken used sand particles during the used sand reclamation process.
Description
Technical field
The present invention relates to be used for the (sand) reclaimer of the regenerating used that Foundry Production produces.
Background technology
In the Foundry Production industry; No matter be to adopt the clay-bonded sand casting or adopt the water-glass sand casting; The capital produces a large amount of antiquated sands, also claims old sand, and nearly all resin self-setting sand manufacturing enterprise all is used for phenolic sand molding and coremaking with the resin self-setting sand old sand after the mechanical friction mode is regenerated; The dead clay mambrane of part sand grain surface is removed through impacting and rubbing clay old sand by part enterprise, and all or part of replacement fresh sand is used for clay-bonded sand; These processing modes are difficult to remove dead clay and the inert coating that sand grain surface coated, and the regeneration effect that reaches is limited, cause casting quality reduction, performance to descend.Most enterprises just abandon old sand later through reuse several times, change fresh sand again, cause environmental pollution and cost to improve.Along with the raising that casting quality is required, from the angle of economy and environmental protection, regenerating used has become indispensable part in the Foundry Production.
At present, the commonly used regenerating used process of factory mainly is divided into three major types according to the difference of its equipment operation principle: dry reclamation, wet reclamation, thermal reclamation.Thermal reclamation is through roaster old sand to be heated to 850-900 ℃, and to remove the renovation process of flammable residue on the old sand grain, thermal reclamation is good especially to the regeneration effect of organic binder bond sand; Residual binding agent removes totally; The Heat stability is good of reclaimed sand can recover former size distribution, but cost is higher; Energy consumption is bigger, and its use receives certain restriction.Wet reclamation is dissolving, scrubbing action and a mechanical agitation of utilizing water, makes the false breakage of particles in the old sand, and the residual adhensive membrane of sand grain surface dissolves, comes off or removes.The major advantage of wet reclamation is to some water-soluble old sand, good regeneration effect to be arranged; The reclaimed sand quality is good, can make facing sand and use, and the regeneration rate of old sand is high; Its major defect is that complex process, floor space are bigger, and cost is high, and problem such as sewage disposal is arranged.But for fear of this difficult problem of regenerating used sewage disposal, the regenerating used multi-steering adopts dry reclamation at present.
That dry reclamation is divided into again is centrifugal, air-flowing type, oscillatory type, reverse-flow etc.; The regeneration of centrifugal and air-flowing type is to utilize mechanical centrifugal force and compressed air stream that the old sand grain is accelerated to certain speed, relies between sand grains and hardware or rubbing action that sand grains the is mutual old sand of regenerating; Oscillatory type regeneration is under the effect of vibration force; The body of filling the old sand piece ceaselessly vibrates; Thereby cause impact, friction between the sand lump; And impact, the friction of sand lump and vibrating body inwall, make sand lump breaking, old sand grain obtain regeneration, reverse-flow regeneration is to lean between the sand grains and the strong friction between sand grains and the member is used for the old sand of regenerating.Above-mentioned these are centrifugal, the operation principle of air-flowing type, oscillatory type and reverse-flow dry reclamation is through making the old sand capsomere produce higher speed; Between old sand particle and old sand particle and between old sand particle and relevant device severe impact, collision take place then; Thereby make the old sand grain obtain regeneration, so the big speed of old sand particle is a necessary condition of regenerating used.The demoulding power that these process of regenerating provided is limited, can not remove the residual film on the old sand grain fully, and the quality of reclaimed sand is not too high; Since need be for the old sand housing provide higher speed, this just needs equipment that higher intensity is arranged, and has increased the cost of equipment; High-speed little old sand is quite serious to the wearing and tearing of equipment, and the replacing frequency of equipment is higher, has also increased the cost of equipment; Simultaneously, because the old sand particle is frangible, the old sand particle under the high speed impacts each other, collides; The broken phenomenon of old sand particle appears through regular meeting; Along with the raising of old sand particle demolding rate, required speed, impulsive force and the frictional force of old sand particle is big more, and the broken phenomenon of the wearing and tearing of element of installation and old sand particle is serious more.
Summary of the invention
The not breakable (sand) reclaimer of old sand particle when the object of the present invention is to provide the lower and regenerating used of a kind of use cost.
In order to address the above problem, technical scheme of the present invention is:
A kind of (sand) reclaimer; Comprise frame and go up to be provided with can rotating relatively upper millstone and lower millstone; The lower end of upper millstone is provided with the upper millstone flour milling; The upper end of lower millstone be provided with upper millstone flour milling position relatively and be used for cooperating with the upper millstone flour milling and push, the lower millstone flour milling of the corresponding old sand particle of rubbing, be provided with the gap that holds that is used to hold corresponding old sand particle between said upper millstone flour milling and the lower millstone flour milling.
Described lower millstone and said frame are rotated assembling, are provided with between described upper millstone and said frame to force the elasticity pre-tightening mechanism of said upper millstone towards said lower millstone motion.
Described upper millstone is through moving up and down being arranged on the described frame of governor motion of the exportable action of adjustment up and down.
Described governor motion comprises the connecting rod in the endoporus that the adapter sleeve that is fixedly arranged on the said frame and upper end be arranged in said adapter sleeve; The lower end of said connecting rod and said upper millstone are fixedly linked, and being threaded in the top of said adapter sleeve on the said connecting rod moves up and down the adjusting nut of adjustment to connecting rod.
Be provided with assemblage gap between the outer peripheral face of said connecting rod and the inner hole wall of said adapter sleeve; Described elasticity pre-tightening mechanism comprises the Adjusting bolt Adjusting screw that is arranged in the said assemblage gap; The outer peripheral face of said Adjusting bolt Adjusting screw is threaded with the inner hole wall of said adapter sleeve; Described elasticity pre-tightening mechanism also comprises the pre-compressed spring that is set on the said connecting rod, and pre-compressed spring is mounted between Adjusting bolt Adjusting screw and the upper millstone.
The lower end of said upper millstone is provided with the upper millstone roll flute of involute shape distribution in the shape of a spiral, and said upper millstone roll flute has the lower surface of arc, and the lower surface of said upper millstone roll flute has constituted described upper millstone flour milling; Said lower millstone upper end is provided with the lower millstone roll flute of involute shape distribution in the shape of a spiral, and said lower millstone roll flute has the upper surface of arc, and the upper surface of said lower millstone roll flute has constituted described lower millstone flour milling.
Described upper millstone comprises the upper millstone body and is fixedly arranged on the upper millstone wearing plate of said upper millstone body lower end that described upper millstone roll flute and said upper millstone wearing plate are wholely set; Described lower millstone comprises the lower millstone body and is fixedly arranged on the lower millstone wearing plate of said lower millstone body upper end that described lower millstone roll flute and said lower millstone wearing plate are wholely set.
Described upper millstone wearing plate is spliced by the identical fan-shaped wearing plate of going up of polylith shape, and all fan-shaped outer arc lines of going up wearing plate are a full circle; Described lower millstone wearing plate is spliced by the identical fan-shaped wearing plate down of polylith shape, and all fan-shaped outer arc lines of wearing plate down are a full circle.
The middle part of described upper millstone is provided with the charging hole that runs through its upper and lower end face and be used for corresponding old sand charging, and the lower end of said charging hole is communicated with the said gap that holds.
Described (sand) reclaimer also comprises the annular sand hopper that is used to collect corresponding old sand after upper and lower mill is to mill that is arranged at said lower millstone below, and the upper end of said annular sand hopper is equipped with dust cover, offers the dedusting hole on the described dust cover.
The beneficial effects of the present invention is as follows: When used, the corresponding old sand placed on the upper and lower disc to accommodate the gap between the upper and lower disc relative rotary motion in the upper and lower disc of the rotary movement, the sand particles and sand particles, sand particles, and between the lower surface of the polishing disc, friction and grinding, because the old and the wear characteristics of sand particles, the lower the pressure disc, rubbing action, so that sand particle surface film is easily removed, the process of removing the inert film is not on the disc between the lower larger relative rotation speed, which reduces the sand reclamation equipment requirements, thereby reducing the cost of the equipment ; old sand particles and sand particles and sand particles and the upper and lower disc does not occur between the violent impact of the collision, the old sand particles easily broken, and the old sand particles on the upper and lower disc wear is not very severe, thus reducing the frequency of replacement of wearing parts.
Further, connecting rod and adjusting nut can be adjusted upper millstone and move up and down, thereby the width up and down in gap is held in adjustment, can increase the scope of application of whole (sand) reclaimer.
Further,, can realize the adjusting of pressure between upper and lower mill, thereby increase the grinding effect of upper and lower mill the old sand particle through the effect of pre-compressed spring and Adjusting bolt Adjusting screw.
Further, upper and lower mill roll flute is involute distribution in the shape of a spiral all, and the old sand particle can move to the mill edge by the mill middle part by the spiral involute track gradually in the process of lapping of upper and lower mill like this, makes things convenient for discharging.
Further, charging hole is set at the middle part of upper millstone, while can grind, feed in raw material,, Yi Bian discharging can realize continuous production, improved regenerating used efficient.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is that the B-B of Fig. 1 is to cutaway view;
Fig. 4 is the scheme of installation of upper millstone wearing plate among Fig. 1;
Fig. 5 is the scheme of installation of lower millstone wearing plate among Fig. 1;
Fig. 6 is that D-D among Fig. 2 is to sectional drawing;
Fig. 7 is the single fan-shaped structural representation of wearing plate down in 5;
Fig. 8 is that the A-A of Fig. 7 is to cutaway view.
The specific embodiment
A kind of embodiment of (sand) reclaimer is shown in Fig. 1 ~ 8: comprise frame and be arranged at the master collet 5 on the frame through frame tie-beam 7; Be rotatably equipped with the main shaft 6 that pivot center extends along the vertical direction through rolling bearing and thrust bearing on the inner hole wall of master collet 5; The upper end of main shaft 6 is fixed with lower millstone 14 through screw; The lower end of main shaft 6 is fixed with drive pulley 31; One side of frame is provided with and drives the driving mechanism that lower millstone 14 rotates, and driving mechanism comprises drive motors 1, and the clutch end of drive motors 1 is in transmission connection through the drive pulley 31 of driving-belt 2 with main shaft 6 lower ends.The top of lower millstone 14 is provided with upper millstone 15; Upper millstone 15 is through governor motion 13 moving up and down the mounting on the back timber 11 of frame of the exportable action of adjustment up and down; Governor motion 13 comprises that the adapter sleeve 24 that welding is fixed on the back timber 11 is arranged in the connecting rod 13 in the adapter sleeve 24 with the upper end; Be threaded in the top of adapter sleeve 24 on the connecting rod 13 and connecting rod 13 moved up and down the adjusting nut 23 of adjustment; Be provided with assemblage gap between the inner hole wall of the outer peripheral face of connecting rod 13 and adapter sleeve 24; In assemblage gap, be set with Adjusting bolt Adjusting screw 25 on the connecting rod 13, the outer peripheral face of Adjusting bolt Adjusting screw 25 is threaded with the inner hole wall of adapter sleeve 24, and thin nut 22 has been threaded in the below of adapter sleeve 24 on the outer peripheral face of Adjusting bolt Adjusting screw 25.The upper end welding of upper millstone 15 is fixed with connecting rod hold-down nut 26; The lower end of connecting rod 13 is threaded with connecting rod hold-down nut 26; Between Adjusting bolt Adjusting screw 25 and connecting rod hold-down nut 26, be top-loaded with pre-compressed spring 21 on the connecting rod 13, Adjusting bolt Adjusting screw 25 has constituted with pre-compressed spring 21 forces the elasticity pre-tightening mechanism of said upper millstone towards said lower millstone motion.Upper millstone 15 comprises upper millstone body 30 and is installed with the upper millstone wearing plate of being processed by wear-resisting alloy steel 32 of upper millstone body 30 lower ends; Upper millstone wearing plate 32 is spliced by the ten block-shaped identical fan-shaped wearing plates 17 of going up; Each fan-shaped wearing plate 17 of going up is fixedly linked with upper millstone body 30 through screwing 19 and last positioning key 18; Each fan-shaped equal one in lower end that goes up wearing plate 17 is provided with upper millstone roll flute 33; After wearing plate 17 was bolted together on all are fan-shaped, all fan-shaped outer arc lines of going up wearing plate 17 were a full circle, and all fan-shaped upper millstone roll flutes 33 of going up on the wearing plate 17 are continuous spiral involute shape and distribute; Upper millstone roll flute 33 has the lower surface of arc, and upper millstone wearing plate 32 constitutes the maintenance and the replacing that can make things convenient for upper millstone wearing plate 32 each several parts by a plurality of fan-shaped wearing plates 17 of going up.Lower millstone 14 comprises lower millstone body 36 and the lower millstone wearing plate of being processed by the antifriction alloy steel 35; Lower millstone wearing plate 35 is spliced by ten block-shaped identical fan-shaped wearing plates 40 down; Each fan-shaped wearing plate 40 down is through screw 39 and following positioning key 38 are fixedly linked with lower millstone body 36 down; The following positioning spline that part 50 expressions cooperate with following positioning key 38 location among the figure; Each fan-shaped equal one in lower end of wearing plate 40 down is provided with lower millstone roll flute 34, and after wearing plate 40 was bolted together under all are fan-shaped, all fan-shaped outer arc lines of wearing plate 40 down were a full circle; Lower millstone roll flute 34 on all fan-shaped wearing plates 40 down is continuous spiral involute shape and distributes, and lower millstone roll flute 34 has the upper surface of arc.The lower surface of all upper millstone roll flutes 33 has constituted the upper millstone flour milling that is used to push, grind corresponding old sand; The upper surface of all lower millstone roll flutes 34 has constituted the lower millstone flour milling that is oppositely arranged and is used to push, grinds corresponding old sand with the upper millstone flour milling, between upper and lower mill flour milling, be provided be used to hold corresponding old sand particle hold gap 37.The middle part of upper millstone 15 is provided with two and runs through charging hole 20 its upper and lower end face and that be used for corresponding old sand charging; The lower end of two charging holes 20 with hold gap 37 and be communicated with; The upper end of two charging holes 20 is communicated with feeding cylinder 12, and feeding cylinder 12 slides and is plugged in the charging hole 20.(sand) reclaimer also comprises the annular sand hopper 8 that is used to collect corresponding old sand after upper and lower mill is to mill that is arranged at 14 lower millstones below; The upper end of annular sand hopper 8 is fixedly connected with upper millstone body 30; The upper end of annular sand hopper 8 is equipped with dust cover 10, offers dedusting hole 9 on the dust cover 10.The frame structure of whole frame for being made up of column 4 and crossbeam 16 adopts this structure when guaranteeing frame strength, to reduce the weight of frame, and be when at the scene frame being installed simultaneously, as long as column 4 bottoms and embedded board 3 are welded, easy for installation.
During use; The old sand particle gets into holding in the gap 37 between the upper and lower platen through feeding cylinder 12, charging hole 20, and drive motors 1 drives platen 14 rotations down, and the upper and lower mill roll flute of upper and lower platen pushes, exchanges views the old sand particle; Connecting rod 13 and adjusting nut 23 can be adjusted the gap between the upper and lower platen; Thereby make and hold the gap and adapt to different big or small old sand particles, pre-compressed spring 21 is regulated the extruding force that goes up platen 15 with Adjusting bolt Adjusting screw 25, thereby guarantees the grinding effect to the old sand particle.In the relative turning course of upper and lower platen, the old sand particle can be transported to the edge until falling into annular sand hopper by the spiral involute track by the middle part that holds the gap under centrifugal force and gravity effect, and dust is then discharged through the dedusting hole.This (sand) reclaimer compact conformation, rationally, it is strong to grind gap, adjustable in pressure, adaptability, the sand grains percentage of damage is low, grinding effect is good, pollutes little, use value height, and can realize continuous uninterrupted production.
In other embodiments of the invention: drive motors can also be replaced by hydraulic motor; Governor motion can also be conditioned cylinder and replace, and governor motion can not established yet certainly, and the pre-compressed spring in the elasticity pre-tightening mechanism also can directly be mounted between frame and the last platen; Following platen can also be fixed, and this moment, drive motors can platen rotates through driving upward, and the transmission of this moment can be through the external toothing transmission; Upper and lower mill wearing plate all can be that an integrally-built wearing plate constitutes, and the roll flute that is arranged on the corresponding wearing plate also can be integrally formed on the corresponding mill body, and the wearing layer that high-abrasive material is processed can be connected at the outer surface of roll flute this moment; Certainly the roll flute that is provided with on each mill wearing plate can not have yet, and after the old sand particle grinds, can after raising platen, the old sand particle be taken away; The number of charging hole can also be one; Adapter sleeve can also be integrally formed on the back timber.
Claims (10)
1. (sand) reclaimer; It is characterized in that: comprise frame and go up to be provided with can rotating relatively upper millstone and lower millstone; The lower end of upper millstone is provided with the upper millstone flour milling; The upper end of lower millstone be provided with upper millstone flour milling position relatively and be used for cooperating with the upper millstone flour milling and push, the lower millstone flour milling of the corresponding old sand particle of rubbing, be provided with the gap that holds that is used to hold corresponding old sand particle between said upper millstone flour milling and the lower millstone flour milling.
2. (sand) reclaimer according to claim 1 is characterized in that: described lower millstone and said frame are rotated assembling, are provided with between described upper millstone and said frame to force the elasticity pre-tightening mechanism of said upper millstone towards said lower millstone motion.
3. (sand) reclaimer according to claim 2 is characterized in that: described upper millstone is through moving up and down being arranged on the described frame of governor motion of the exportable action of adjustment up and down.
4. (sand) reclaimer according to claim 3; It is characterized in that: described governor motion comprises the connecting rod in the endoporus that the adapter sleeve that is fixedly arranged on the said frame and upper end be arranged in said adapter sleeve; The lower end of said connecting rod and said upper millstone are fixedly linked, and being threaded in the top of said adapter sleeve on the said connecting rod moves up and down the adjusting nut of adjustment to connecting rod.
5. (sand) reclaimer according to claim 4; It is characterized in that: be provided with assemblage gap between the outer peripheral face of said connecting rod and the inner hole wall of said adapter sleeve; Described elasticity pre-tightening mechanism comprises the Adjusting bolt Adjusting screw that is arranged in the said assemblage gap; The outer peripheral face of said Adjusting bolt Adjusting screw is threaded with the inner hole wall of said adapter sleeve, and described elasticity pre-tightening mechanism also comprises the pre-compressed spring that is set on the said connecting rod, and pre-compressed spring is mounted between Adjusting bolt Adjusting screw and the upper millstone.
6. according to any described (sand) reclaimer of claim 1 ~ 5; It is characterized in that: the lower end of said upper millstone is provided with the upper millstone roll flute of involute shape distribution in the shape of a spiral; Said upper millstone roll flute has the lower surface of arc, and the lower surface of said upper millstone roll flute has constituted described upper millstone flour milling; Said lower millstone upper end is provided with the lower millstone roll flute of involute shape distribution in the shape of a spiral, and said lower millstone roll flute has the upper surface of arc, and the upper surface of said lower millstone roll flute has constituted described lower millstone flour milling.
7. (sand) reclaimer according to claim 6 is characterized in that: described upper millstone comprises the upper millstone body and is fixedly arranged on the upper millstone wearing plate of said upper millstone body lower end that described upper millstone roll flute and said upper millstone wearing plate are wholely set; Described lower millstone comprises the lower millstone body and is fixedly arranged on the lower millstone wearing plate of said lower millstone body upper end that described lower millstone roll flute and said lower millstone wearing plate are wholely set.
8. (sand) reclaimer according to claim 7 is characterized in that: described upper millstone wearing plate is spliced by the identical fan-shaped wearing plate of going up of polylith shape, and all fan-shaped outer arc lines of going up wearing plate are a full circle; Described lower millstone wearing plate is spliced by the identical fan-shaped wearing plate down of polylith shape, and all fan-shaped outer arc lines of wearing plate down are a full circle.
9. according to any described (sand) reclaimer of claim 1 ~ 5, it is characterized in that: the middle part of described upper millstone is provided with the charging hole that runs through its upper and lower end face and be used for corresponding old sand charging, and the lower end of said charging hole is communicated with the said gap that holds.
10. according to any described (sand) reclaimer of claim 1 ~ 5; It is characterized in that: described (sand) reclaimer also comprises the annular sand hopper that is used to collect corresponding old sand after upper and lower mill is to mill that is arranged at said lower millstone below; The upper end of said annular sand hopper is equipped with dust cover, offers the dedusting hole on the described dust cover.
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CN201210255221.4A CN102794390B (en) | 2012-07-23 | 2012-07-23 | A kind of (sand) reclaimer |
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CN201210255221.4A CN102794390B (en) | 2012-07-23 | 2012-07-23 | A kind of (sand) reclaimer |
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CN102794390B CN102794390B (en) | 2015-09-23 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104722354A (en) * | 2013-12-18 | 2015-06-24 | 上海世邦机器有限公司 | Vertical spindle type disc crusher with sieving function |
CN105945219A (en) * | 2016-06-27 | 2016-09-21 | 苏州欣苏诚铸造机械有限公司 | Wiping type regenerator |
CN108339616A (en) * | 2018-02-10 | 2018-07-31 | 洪杰 | A kind of Morphology Control Technology equipment of newest powder body material |
CN115090357A (en) * | 2022-06-20 | 2022-09-23 | 镇江市合一新能源材料科技有限公司 | Reaction kettle body for recycling palladium-carbon catalyst and using method thereof |
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WO1999059932A1 (en) * | 1998-05-21 | 1999-11-25 | Hiromi Yamamoto | Cement grinder |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN104722354A (en) * | 2013-12-18 | 2015-06-24 | 上海世邦机器有限公司 | Vertical spindle type disc crusher with sieving function |
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CN108339616B (en) * | 2018-02-10 | 2019-01-08 | 佛山市三水鲸鲨化工有限公司 | A kind of Morphology Control Technology equipment of newest powder body material |
CN115090357A (en) * | 2022-06-20 | 2022-09-23 | 镇江市合一新能源材料科技有限公司 | Reaction kettle body for recycling palladium-carbon catalyst and using method thereof |
CN115090357B (en) * | 2022-06-20 | 2023-06-27 | 镇江市合一新能源材料科技有限公司 | Reaction kettle body for recycling palladium-carbon catalyst and application method thereof |
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