CN109248736A - A kind of neodymium iron boron strip alloy sheet crushing system special - Google Patents
A kind of neodymium iron boron strip alloy sheet crushing system special Download PDFInfo
- Publication number
- CN109248736A CN109248736A CN201811085477.9A CN201811085477A CN109248736A CN 109248736 A CN109248736 A CN 109248736A CN 201811085477 A CN201811085477 A CN 201811085477A CN 109248736 A CN109248736 A CN 109248736A
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- trough
- treatment
- partition
- neodymium iron
- iron boron
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
- B02C4/08—Crushing or disintegrating by roller mills with two or more rollers with co-operating corrugated or toothed crushing-rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/02—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Abstract
The present invention relates to a kind of neodymium iron boron strip alloy sheet crushing system specials, including furnace body, there are two mutually matched breaker rolls for furnace interior setting, treatment trough is provided with below breaker roll, the inner cavity for the treatment of trough is separated into the treatment trough above partition and the Heat Room below partition by partition, and the inside for the treatment of trough fills the ethyl alcohol that drainage conduit lower end is completely covered；The outside for the treatment of trough is provided with temporary tank, is provided with carrying mechanism above treatment trough, and carrying mechanism includes lifting device and for driving lifting device to do the translating device that translation moves back and forth.The neodymium iron boron strip alloy sheet crushing system special can be avoided the alloy dust in tail gas and be discharged into air, moreover it is possible to be cooled down and be completely cut off air to NdFeB rear-earth alloy fragment, avoid NdFeB rear-earth alloy fragment from being oxidized, implementation result is good.
Description
Technical field
The present invention relates to a kind of neodymium iron boron strip alloy sheet crushing system specials, belong to rare earth material processing technique field.
Background technique
Rare earth permanent-magnetic material neodymium iron boron is a kind of important magnetic material, is referred to as " magnetic with excellent magnetic property
King " is widely used in modern industry and electronic technology.In the neodymium iron boron manufacturing, it is dilute that neodymium iron boron is made in first melting
Native alloy fragment, then NdFeB rear-earth alloy fragment is processed into powder, finally NdFeB rear-earth alloy powder is gathered into
Then type is sintered, be finally cut into required size again and complete.
Wherein, in the manufacturing process of NdFeB rear-earth alloy fragment, each raw material are first usually smelted into liquid alloy
Liquid to form large stretch of alloy sheet using refining, cooling, then by two mutually matched breaker rolls to alloy sheet into
Row is broken to obtain the NdFeB rear-earth alloy fragment of chunky shape.It is anti-in the manufacturing process of NdFeB rear-earth alloy fragment
Only NdFeB rear-earth alloy fragment is oxidized, and is passed through argon gas protection gas in furnace interior, to prevent high temperature alloy piece broken
It is oxidized in the process, breaker roll is also in the protection environment of argon gas, and high temperature alloy piece is being broken into NdFeB rear-earth alloy
A small amount of alloy dust can be generated when fragment, which can outflow as argon gas is discharged and easily cause environmental pollution.Meanwhile liquid
Aluminium alloy is poured on chill roll by casting ladle, and liquid alloy liquid cools down to form alloy sheet, and is thrown away chill roll by centrifugal force effect；
Due to short with chill roll time of contact, the temperature for leaving the alloy sheet of chill roll is usually more than 200 DEG C, this leads to that furnace is discharged
The NdFeB rear-earth alloy fragment of body is also at the condition of high temperature, this easily causes NdFeB rear-earth alloy fragment to aoxidize, and causes neodymium iron
The decline of boron rare earth alloy chip mass.
Summary of the invention
The present invention in view of the deficienciess of the prior art, provide a kind of neodymium iron boron strip alloy sheet crushing system special,
Specific technical solution is as follows:
A kind of neodymium iron boron strip alloy sheet crushing system special, including furnace body, there are two mutually for the furnace interior setting
The breaker roll of cooperation is provided with the drainage conduit being connected with furnace body inner cavity below the breaker roll；The lower section of the breaker roll
It is provided with treatment trough, the treatment trough is fixedly provided with the partition being obliquely installed, and the inner cavity of the treatment trough is separated by partition
It is arranged in treatment trough at the treatment trough and the Heat Room below partition, the lower end of the drainage conduit that are located above partition
Portion, the inside of the treatment trough fill the ethyl alcohol that drainage conduit lower end is completely covered；The outside of the treatment trough is provided with temporary
Slot, is provided with carrying mechanism above the treatment trough, and the carrying mechanism includes lifting device and for driving lifting device
The translating device that translation moves back and forth is done, the lifting device includes electromagnet, the first single-acting cylinder, pedestal, and described first
Single-acting cylinder drive electromagnet moves up and down, and the cylinder barrel of first single-acting cylinder is fixedly connected with pedestal；It is described flat
Moving device includes the setting fixed plate of side, the second single-acting cylinder, the sliding block being arranged between pedestal and fixed plate on the base,
The bottom of the fixed plate is provided with dovetail groove, and the upper end of the sliding block is provided with convex block compatible with dovetail groove, the cunning
The lower end of block is fixedly connected with pedestal, and the pedestal is driven by the second single-acting cylinder and translated along the direction that dovetail groove limits
It moves back and forth.
As an improvement of the above technical solution, the inside of the treatment trough also fills the foam plastic pellet for covering ethyl alcohol
Layer, the foamed plastics layers of balls are made of the spherical foam plastic pellet that several density are less than ethyl alcohol.
As an improvement of the above technical solution, the side wall of the treatment trough is provided with waste discharge hole, the lower end of the partition with
The lower section in waste discharge hole is arranged in the junction for the treatment of trough, and the lower end of the partition and the junction for the treatment of trough are respectively positioned on waste discharge hole
The same side for the treatment of trough, the outside of the treatment trough are provided with the waste valve being connected with waste discharge hole.
As an improvement of the above technical solution, the lower end surface of the electromagnet be inclined-plane, the lower end surface of the electromagnet with
The upper surface of partition is parallel to each other.
As an improvement of the above technical solution, the side of the Heat Room is provided with inlet opening, the Heat Room it is another
Side is provided with apopore, and the height of the apopore is higher than the height of inlet opening, and the outside of the Heat Room is provided with and intakes
The inlet valve that hole is connected, the outside of the Heat Room are provided with the outlet valve being connected with apopore.
As an improvement of the above technical solution, the alternate internal of the Heat Room is provided with multiple metal baffles.
As an improvement of the above technical solution, the treatment trough, partition, temporary tank and metal baffle are by nonferromagnetic material
It is made.
Neodymium iron boron strip alloy sheet crushing system special of the present invention is using the ethyl alcohol inside treatment trough not only to tail gas
It is washed, the alloy dust in tail gas is avoided to be discharged into air, but also NdFeB rear-earth alloy fragment can be carried out
Air is cooled down and completely cut off, so that NdFeB rear-earth alloy fragment effectively be avoided to be oxidized, is passed through cooling using to Heat Room inside
Water is to guarantee the cooling efficiency of NdFeB rear-earth alloy fragment, using carrying mechanism by neodymium iron boron after cooling inside treatment trough
Rare earth alloy fragment is transported in temporary tank and keeps in, and is convenient for subsequent centralized processing, and implementation result is good.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of neodymium iron boron strip alloy sheet crushing system special of the present invention；
Fig. 2 is the structural schematic diagram inside treatment trough of the present invention；
Fig. 3 is the connection schematic diagram of fixed plate of the present invention and sliding block.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in Figure 1, the neodymium iron boron strip alloy sheet crushing system special, including furnace body 10, inside the furnace body 10
There are two mutually matched breaker rolls 11 for setting, and the lower section of the breaker roll 11 is provided with the discharge being connected with 10 inner cavity of furnace body
Pipe 12；Large stretch of alloy sheet carries out the broken neodymium iron for obtaining chunky shape to alloy sheet by two mutually matched breaker rolls 11
Boron rare earth alloy fragment.NdFeB rear-earth alloy fragment is discharged from drainage conduit 12 under gravity, inside furnace body 10
Alloy dust with argon gas from the lower end of drainage conduit 12 be discharged.
As shown in Figures 1 to 3, the lower section of the breaker roll 11 is provided with treatment trough 20, and the inside of the treatment trough 20 is fixed
There is the partition 21 being obliquely installed, the inner cavity of the treatment trough 20 is separated into 22 He for the treatment of trough above partition 21 by partition 21
Heat Room 23 positioned at 21 lower section of partition, the inside for the treatment of trough 22, the treatment trough 22 is arranged in the lower end of the drainage conduit 12
Inside fill the ethyl alcohol 26 that 12 lower end of drainage conduit is completely covered；The outside of the treatment trough 20 is provided with temporary tank 40, institute
The top for stating treatment trough 20 is provided with carrying mechanism, and the carrying mechanism includes lifting device and flat for driving lifting device to do
The translating device moved back and forth is moved, the lifting device includes electromagnet 31, the first single-acting cylinder 32, pedestal 33, and described the
One single-acting cylinder, 32 drive electromagnet 31 moves up and down, and the cylinder barrel and pedestal 33 of first single-acting cylinder 32 are fixed to be connected
It connects；The translating device include the fixed plate 35 that the top of pedestal 33 is set, the second single-acting cylinder 34, setting pedestal 33 with
Sliding block 36 between fixed plate 35, the bottom of the fixed plate 35 are provided with dovetail groove, the upper end of the sliding block 36 be provided with
The compatible convex block 361 of dovetail groove, the lower end of the sliding block 36 are fixedly connected with pedestal 33, and the pedestal 33 is by the second single-acting
The driving of cylinder 34 is done translation along the direction that dovetail groove limits and is moved back and forth.
The NdFeB rear-earth alloy fragment and alloy dust are discharged to treatment trough 22 with argon gas from drainage conduit 12, due to
The inside of the treatment trough 22 fills the ethyl alcohol 26 that 12 lower end of drainage conduit is completely covered, and the argon gas containing alloy dust is in ethyl alcohol
It is settled in 26, argon gas is arranged into atmosphere, and alloy dust falls in the inside for the treatment of trough 22 edge together with NdFeB rear-earth alloy fragment
The partition 21 that is obliquely installed fall on 21 lower end region of partition, alloy dust will not be arranged with argon gas into atmosphere again, tail
It is so incensed that washing.NdFeB rear-earth alloy fragment inside treatment trough 22 can be transported to temporary tank 40 by the carrying mechanism,
Specific practice is as follows: 32 drive electromagnet 31 of the first single-acting cylinder moves up and down, can be by by the first single-acting gas
The telescopic end of cylinder 32 is fixedly connected with the upper end of electromagnet 31, and the telescopic end of the first single-acting cylinder 32 moves downward drive at this time
Electromagnet 31 moves downward, and electromagnet 31 falls on the inside for the treatment of trough 22, and electromagnet 31, which is powered, generates magnetic force for part neodymium iron boron
Rare earth alloy fragment is to 31 surrounding of electromagnet is adsorbed onto, and then the telescopic end of the first single-acting cylinder 32 moves upwards drive electromagnetism
Iron 31 moves upwards so that the electromagnet 31 for being adsorbed with NdFeB rear-earth alloy fragment is detached from inside treatment trough 22；Then
The pedestal 33 is driven by the second single-acting cylinder 34 and does translation reciprocating motion along the direction that dovetail groove limits, i.e., by by the
The telescopic end of two single-acting cylinders 34 is fixedly connected with pedestal 33, and the cylinder barrel and fixed plate 35 of second single-acting cylinder 34 are solid
Fixed connection, the telescopic end of second single-acting cylinder 34, which pulls pedestal 33 to do translational motion along the direction that dovetail groove limits, to be made
Lifting device moves to the surface of temporary tank 40,33 stop motion of pedestal, first single-acting cylinder 32 at this time
Telescopic end move downward drive electromagnet 31 move downward so that being adsorbed with the electromagnet of NdFeB rear-earth alloy fragment
31 fall on the inside of temporary tank 40, and the then power-off of electromagnet 31 loses magnetic force, and the NdFeB rear-earth alloy fragment is in gravity
The inside that temporary tank 40 is fallen under effect is temporary；Then the telescopic end of the first single-acting cylinder 32, which moves upwards, drives electromagnet 31
Initial position is returned to, the telescopic end of the second single-acting cylinder 34 pushes pedestal 33 to return to initial position.Wherein, the electromagnet 31
Some alloy dust can be also adsorbed when adsorbing NdFeB rear-earth alloy fragment, so that there is also one for the inside of temporary tank 40
A little alloy dust, these alloy dust are separated in the way of being sieved with NdFeB rear-earth alloy fragment subsequent.
Due to being flooded by ethyl alcohol 26 when NdFeB rear-earth alloy fragment is discharged to the inside for the treatment of trough 22 from 12 lower end of drainage conduit
Not yet, this makes NdFeB rear-earth alloy fragment and air exclusion, and NdFeB rear-earth alloy fragment is avoided to be oxidized；As for neodymium iron boron
The heat that rare earth alloy fragment carries causes the temperature of 22 inside ethyl alcohol 26 for the treatment of trough to increase, and the inside of the Heat Room 23 is passed through
1~5 DEG C of cooling water to cool down to the ethyl alcohol 26 inside treatment trough 22, avoids high temperature from leading to the evaporation consumption aggravation of ethyl alcohol 26, together
When, the cooling rate of NdFeB rear-earth alloy fragment can be accelerated.
Further, the evaporation capacity to reduce by 22 inside ethyl alcohol 26 for the treatment of trough；The inside of the treatment trough 22 also fill by
The foamed plastics layers of balls 27 that ethyl alcohol 26 covers, the foamed plastics layers of balls 27 are less than the spherical foam of ethyl alcohol 26 by several density
Baton round composition.Low ratio foamed, middle foaming and high-foaming foamed plastics can be divided by the density of foamed plastics.Foam plastic pellet it is close
Degree is less than the density of ethyl alcohol 26, this makes spherical foamed plastics club float on the liquid level of ethyl alcohol 26 to form foamed plastics layers of balls
27, under the blocking of foamed plastics layers of balls 27, ethyl alcohol 26 can be significantly reduced because of consumption caused by evaporating, meanwhile, spherical foam
Baton round will not be adsorbed by electromagnet 31, do not influenced electromagnet 31 and carried NdFeB rear-earth alloy fragment.
Further, for convenience of the waste liquid concentrated inside cleaning treatment trough 22, the side wall of the treatment trough 22 is provided with row
Useless hole, the lower end of the partition 21 and the junction for the treatment of trough 20 are arranged in the lower section in waste discharge hole, the lower end of the partition 21 with
The junction and waste discharge hole for the treatment of trough 20 are respectively positioned on the same side for the treatment of trough 20, and the outside of the treatment trough 20 is provided with and waste discharge
The waste valve 29 that hole is connected.When need to concentrate remove the waste liquid inside treatment trough 22 when, opening waste valve 29, in treatment trough 22
The 21 remaining alloy dust in top of waste liquid meeting impacting clapboard in portion is to make its concentrate discharge from waste valve 29 together.
Further, the quantity of NdFeB rear-earth alloy fragment, the electromagnetism are adsorbed in the lower end surface for raising electromagnet 31
The lower end surface of iron 31 is inclined-plane, and the lower end surface of the electromagnet 31 and the upper surface of partition 21 are parallel to each other.
Further, the side of the Heat Room 23 is provided with inlet opening, and the other side of the Heat Room 23 is provided with out
Water hole, the height of the apopore are higher than the height of inlet opening, and the outside of the Heat Room 23 is provided with to be connected with inlet opening
Inlet valve 24, the outside of the Heat Room 23 is provided with the outlet valve 25 being connected with apopore.The cooling water is from water inlet
The inside that valve 24 enters Heat Room 23 exchanges heat, and is then discharged from outlet valve 25.
Further, described to change to improve residence time and raising heat transfer effect of the cooling water inside Heat Room 23
The alternate internal in hot cell 23 is provided with multiple metal baffles 28.
Further, the treatment trough 20, partition 21, temporary tank 40 and metal baffle 28 are made of nonferromagnetic material.
This makes treatment trough 20, partition 21, temporary tank 40 and metal baffle 28 not to be magnetized, the magnetic force that will not be generated by electromagnet 31
It influences.The telescopic end of first single-acting cylinder 32 is made of nonferromagnetic material, and the magnetic force that this generates electromagnet 31 is not
The telescopic end that will affect the first single-acting cylinder 32 carries out stretching motion.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (7)
1. a kind of neodymium iron boron strip alloy sheet crushing system special, including furnace body (10), the furnace body (10) is internally provided with two
A mutually matched breaker roll (11) is provided with the drainage conduit being connected with furnace body (10) inner cavity below the breaker roll (11)
(12), it is characterised in that: be provided with treatment trough (20) below the breaker roll (11), the inside of the treatment trough (20) is fixed
There is the partition (21) being obliquely installed, the inner cavity of the treatment trough (20) is separated into the place above partition (21) by partition (21)
The lower end of the Heat Room (23) managing slot (22) and being located at below partition (21), the drainage conduit (12) is arranged in treatment trough (22)
Inside, the inside of the treatment trough (22) fill the ethyl alcohol (26) that drainage conduit (12) lower end is completely covered；The treatment trough
(20) outside is provided with temporary tank (40), and carrying mechanism, the carrying mechanism packet are provided with above the treatment trough (20)
It includes lifting device and for driving lifting device to do the translating device that translation moves back and forth, the lifting device includes electromagnet
(31), the first single-acting cylinder (32), pedestal (33), the first single-acting cylinder (32) drive electromagnet (31) do lifting fortune
Dynamic, the cylinder barrel of first single-acting cylinder (32) is fixedly connected with pedestal (33)；The translating device includes being arranged in pedestal
(33) sliding block of fixed plate (35), the second single-acting cylinder (34), setting between pedestal (33) and fixed plate (35) above
(36), the bottom of the fixed plate (35) is provided with dovetail groove, and the upper end of the sliding block (36) is provided with to be adapted with dovetail groove
Convex block (361), the lower end of the sliding block (36) is fixedly connected with pedestal (33), and the pedestal (33) is by the second single-acting cylinder
(34) driving is done translation along the direction that dovetail groove limits and is moved back and forth.
2. a kind of neodymium iron boron strip alloy sheet crushing system special according to claim 1, it is characterised in that: the processing
The inside of slot (22) also fills the foamed plastics layers of balls (27) for covering ethyl alcohol (26), and the foamed plastics layers of balls (27) is by several
The spherical foam plastic pellet that a density is less than ethyl alcohol (26) forms.
3. a kind of neodymium iron boron strip alloy sheet crushing system special according to claim 1, it is characterised in that: the processing
The side wall of slot (22) is provided with waste discharge hole, and waste discharge hole is arranged in the lower end of the partition (21) and the junction for the treatment of trough (20)
Lower section, the lower end of the partition (21) and the junction for the treatment of trough (20) and waste discharge hole are respectively positioned on the same side for the treatment of trough (20),
The outside of the treatment trough (20) is provided with the waste valve (29) being connected with waste discharge hole.
4. a kind of neodymium iron boron strip alloy sheet crushing system special according to claim 1, it is characterised in that: the electromagnetism
The lower end surface of iron (31) is inclined-plane, and the lower end surface of the electromagnet (31) and the upper surface of partition (21) are parallel to each other.
5. a kind of neodymium iron boron strip alloy sheet crushing system special according to claim 1, it is characterised in that: the heat exchange
The side of room (23) is provided with inlet opening, and the other side of the Heat Room (23) is provided with apopore, the height of the apopore
Higher than the height of inlet opening, the outside of the Heat Room (23) is provided with the inlet valve (24) being connected with inlet opening, described to change
The outside in hot cell (23) is provided with the outlet valve (25) being connected with apopore.
6. a kind of neodymium iron boron strip alloy sheet crushing system special according to claim 1, it is characterised in that: the heat exchange
The alternate internal of room (23) is provided with multiple metal baffles (28).
7. a kind of neodymium iron boron strip alloy sheet crushing system special according to claim 6, it is characterised in that: the processing
Slot (20), partition (21), temporary tank (40) and metal baffle (28) are made of nonferromagnetic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811085477.9A CN109248736B (en) | 2018-09-18 | 2018-09-18 | Crushing system special for neodymium iron boron ribbon alloy sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811085477.9A CN109248736B (en) | 2018-09-18 | 2018-09-18 | Crushing system special for neodymium iron boron ribbon alloy sheet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109248736A true CN109248736A (en) | 2019-01-22 |
| CN109248736B CN109248736B (en) | 2023-08-25 |
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ID=65047957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811085477.9A Active CN109248736B (en) | 2018-09-18 | 2018-09-18 | Crushing system special for neodymium iron boron ribbon alloy sheet |
Country Status (1)
| Country | Link |
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| CN (1) | CN109248736B (en) |
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| CN209205397U (en) * | 2018-09-18 | 2019-08-06 | 安徽包钢稀土永磁合金制造有限责任公司 | A kind of neodymium iron boron strip alloy sheet crushing system special |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2002273135A (en) * | 2001-03-19 | 2002-09-24 | Nara Kikai Seisakusho:Kk | Bag filter of particulate treating device |
| US20030217620A1 (en) * | 2002-04-08 | 2003-11-27 | Council Scientific And Industrial Research | Process for the production of neodymium-iron-boron permanent magnet alloy powder |
| JP2014100615A (en) * | 2012-11-16 | 2014-06-05 | Nitto Kogyo:Kk | Crusher, and crushing method using the same |
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| Publication number | Publication date |
|---|---|
| CN109248736B (en) | 2023-08-25 |
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