CN107131755A - A kind of mineral hot furnace ring-shaped charging system - Google Patents
A kind of mineral hot furnace ring-shaped charging system Download PDFInfo
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- CN107131755A CN107131755A CN201710373841.0A CN201710373841A CN107131755A CN 107131755 A CN107131755 A CN 107131755A CN 201710373841 A CN201710373841 A CN 201710373841A CN 107131755 A CN107131755 A CN 107131755A
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- Prior art keywords
- ring
- feed bin
- support
- charging system
- hot furnace
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
- F27B3/10—Details, accessories, or equipment peculiar to hearth-type furnaces
- F27B3/18—Arrangements of devices for charging
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Furnace Details (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
- Tunnel Furnaces (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Abstract
The invention discloses a kind of mineral hot furnace ring-shaped charging system, it is made up of rotary shafts, transmission device, scraper, locking device, track and feed bin；Rotary shafts are bolted by six ring segments and formed, and the middle part being provided with ring segment inner ring below pin tooth circle, each ring segment is provided with a support wheel；Transmission device is made up of driving motor, gear, directive wheel, support；There is scraper；Locking device is by lamina tecti, side guard plate, shrouding composition between slide carriage, feed bin between support, the second rubber ring, the 3rd rubber ring, feed bin；Track is formed by deflection of rail, is fixed on by rail pressing device in support beam；Feed bin is circular steel design, in annular shape distribution；Each feed bin top is provided with three supporting legs, and cover plate is arranged at top；The weighing sensor of single feed bin has three, is placed on concrete platform or steel structure platform.Feed bin of the present invention is weighed accurately, and charging mechanism is simple and reliable, is operated steadily, without airborne dust during charging.
Description
Technical field
The present invention relates to a kind of mineral hot furnace charging system, and in particular to a kind of mineral hot furnace ring-shaped charging system, belongs to metallurgical
Equipment technical field.
Background technology
Mineral hot furnace is also known as electric-arc furnace or resistance electric furnace.It is mainly used in reducing and smelting ore, carbonaceous reducing agent and flux etc.
Raw material.Main production ferrosilicon, ferromanganese, ferroalloy and the calcium carbide such as ferrochrome, ferrotungsten, silicomangan, ferroalloy is weight in metallurgical industry
The raw material of industry is wanted, calcium carbide is important basic chemical industry raw material.The development trend of mineral hot furnace is maximization, closure.
In the production of large-scale mineral hot furnace, it is normally added to meet the raw materials such as mixture charge in stove, on the top of mineral hot furnace
The bulk tank being circular layout provided with several.It is most of at present with the maximization and the raising of automatization level of mineral hot furnace
Mineral hot furnace uses ring-shaped charging system.
Ring-shaped charging system general at present is main by rotary shafts, transmission device, scraper, locking device, feed bin
Deng composition.Rotary shafts in a ring, are made up of six ring segments being fixed together with bolt；Rotary shafts pass through under it
The circular orbit fixed with bolt is placed on the circumferentially friction pulley of equally distributed three transmission devices, passes through three directive wheels
The side of track is oriented to.Scraper is made up of scraper plate and cylinder, provided with a scraper plate above each feed bin, scraper plate by
Cylinder driving is swung；When the raw material in a certain feed bin is not enough, it is necessary to which during feeding, corresponding scraper plate is reached on ring segment, from rotation
Frame ring segment upper surface, by raw material scrape need feed feed bin in.Sealing device is used to prevent dust during charging
It is excessive, cause environmental pollution.
The major defect of this mineral hot furnace ring-shaped charging system is：
1. measuring the charge level height in feed bin using ultrasonic sensor so as to calculate doses indirectly, precision is low；
2. track is formed by hot rolled rail bending, mismachining tolerance is larger, therefore the gap of directive wheel and track is difficult to ensure that, is led
Impact is often subject to wheel, causes wheel axle fracture or bearing damage；
3. rotary shafts are fixed together by six pieces of ring segments with bolt, every piece of welding deformation and bolted mistake
The foozle of difference and circular orbit so that frame ring segment lower surface（Track installation face）Out-of-flatness, causes track following table
Face is uneven, influences ring segment even running；
Weighed according to pressure sensor, the height of feed bin upper support structure then needs corresponding increase, annular feeder it is close
The problem of envelope is one relatively difficult.
The content of the invention
Accurate, raw material is weighed without leakage, free from dust, the ore deposit of stable and reliable operation heat it is an object of the invention to provide a kind of
Annular charging system.
What the present invention was realized in：
A kind of mineral hot furnace ring-shaped charging system, mainly by rotary shafts, transmission device, scraper, locking device, track and material
Storehouse is constituted；
The rotary shafts are bolted by six ring segments and formed, and pin tooth circle, Mei Gehuan are provided with ring segment inner ring
Middle part below shape section is provided with a support wheel；Pin tooth circle and ring segment are bolted, and have adjust pad on mounting surface；
Pin tooth circle is assembled by some pin tooths, bearing；The section of the ring segment is L-shaped, and the anchor ring in outside is used to receive raw material；
The transmission device has at three, is circumferentially uniformly distributed；Each transmission device is by driving motor, gear, directive wheel, support
Composition；Gear is horizontally arranged on the output shaft of driving motor；Driving motor is rack-mount；Directive wheel is arranged on top of support
The both sides in portion；Support is L-shaped structure, and lower weld is in the support beam of track；
Scraper is both provided with by each feed bin of the mineral hot furnace ring-shaped charging system；
The locking device is by lamina tecti, side guard plate, between support, the second rubber ring, the 3rd rubber ring, feed bin between slide carriage, feed bin
Shrouding is constituted；Support is constituted by some inverted L-shaped columns and for the channel-section steel for connecting column；Lamina tecti is placed in cradle top,
The edge of lamina tecti is positioned in the channel-section steel of cradle top；Flange is buckled on the channel-section steel of cradle top outer rim at the top of side guard plate, bottom
Portion by support outer ring lower edge channel steel support；Second rubber ring is fixed on by screw on the inside of the channel-section steel of cradle top inner ring, lower edge
Less distance is kept with the upper edge of the ring segment of rotary shafts；3rd rubber ring is fixed on the angle of support outer ring lower edge by screw
On steel, lower edge is close to the top of feed bin；Shrouding is fixed on support between feed bin；Slide carriage is fixed between feed bin on shrouding between feed bin；
Shrouding is fixed on support between feed bin；Slide carriage is fixed between feed bin on shrouding between feed bin；
The track is formed by deflection of rail, is fixed on by rail pressing device in support beam；
The feed bin is circular steel design, is divided into three groups, totally 15, in annular shape distribution；Feed bin with group is smaller than phase
The spacing of adjacent two groups of feed bins；Each feed bin top is provided with three supporting legs, and cover plate is arranged at top；The weighing sensor of single feed bin has three
It is individual, it is placed on concrete platform or steel structure platform, is respectively used to support three supporting legs.
Further scheme is：
The ring segment by the first rubber ring is provided with charge level, for closing airborne dust.
Further scheme is：
The scraper plate of the scraper is driven by external cylinder and swung.
Further scheme is：
The support is the rock-steady structure that steel design part is welded, and lamina tecti is sheet metal component, and side guard plate is sheet metal component.
Further scheme is：
The upper distance along holding 1mm to 2mm of the ring segment of the second rubber ring lower edge and rotary shafts.
Further scheme is：
The directive wheel and the upper lower plate inner ring arc surface of the pin tooth of pin tooth circle can come in contact in ring segment sideslip, play
Guide effect.
The working method to the mineral hot furnace ring-shaped charging system of the present invention is specifically described below.
When mineral hot furnace ring-shaped charging system is installed at the scene, weighing sensor is installed in place first, then by feed bin
Supporting leg is supported on weighing sensor.The support wheel of rotary shafts bottom is placed in orbit again, the gear of transmission device and
Pin tooth is engaged, and adjusts the gap between directive wheel and the upper lower plate inner ring arc surface of pin tooth circle pin tooth.Next will closing
The support of device is installed in place, then installs between feed bin shrouding, the second rubber ring and the 3rd rubber ring, side guard plate between slide carriage, feed bin.
After scraper is installed, then lamina tecti is installed, notices that receiving opening will be directed at the lower discharge position of belt conveyer.
In order to ensure the accuracy weighed, when feed bin is unloaded, along can not contact, it is necessary to protect on shrouding and feed bin between feed bin
Hold 1mm ~ 2mm spacing.In order to prevent cover plate at the top of airborne dust, feed bin and will be exposed on the inside of the first rubber ring at the top of feed bin with
And the 3rd opening portion on the outside of rubber ring is closed, the second rubber ring is used for inner ring channel-section steel and ring segment at the top of closed supports
Space between top.
When a certain feed bin needs charging, belt conveyer starts the transferring raw material toward on the anchor ring of rotary shafts, transmission
Motor is started working, drive gear rotation, the operation of pin tooth circle is driven, so as to drive rotary shafts to rotate；At the same time, it is necessary to plus
The scraper plate of scraper on the feed bin of material is opened, by the raw material scraping delivery on the anchor ring of rotary shafts to the feed bin specified.
In scraper, it is impossible to whole raw materials is just sent into the opening of specified feed bin, at this moment leaked outside feed bin
Raw material can be slipped into feed bin along slide carriage between feed bin.
When rotary shafts rotate, inevitably deviate the center of mineral hot furnace ring-shaped charging system, at this moment directive wheel
Contacted with the upper lower plate inner ring arc surface of pin tooth circle pin tooth, play guide effect, it is ensured that the normal operation rail of rotary shafts
Mark, while also ensure that the sideshake of pin tooth transmission.
Present invention effectively prevents the shortcoming of mineral hot furnace traditional endless charging system, feed bin is weighed accurately, charging mechanism letter
It is single reliable, operate steadily, without airborne dust during charging.
Brief description of the drawings
Fig. 1 is the top view of mineral hot furnace ring-shaped charging system.
Fig. 2 is the representative section figure of mineral hot furnace ring-shaped charging system.
Fig. 3 is the stereogram of rotary shafts.
Fig. 4 is the top view of transmission device.
Fig. 5 is the stereogram of transmission device.
Fig. 6 is the stereogram of feed bin.
Fig. 7 is the schematic perspective view of locking device and feed bin assembly relation, rotary shafts and transmission device not shown in figure
Deng part.
Embodiment
The present invention is further illustrated below in conjunction with the accompanying drawings
As shown in accompanying drawing 1-7, a kind of mineral hot furnace ring-shaped charging system, mainly by rotary shafts 1, transmission device 2, scraper
3rd, locking device 4, track 5 and feed bin 6 are constituted；
The rotary shafts 1 are bolted by six ring segments 11 and formed, and are provided with pin tooth circle 12 in ring segment inner ring, often
The middle part of the individual lower section of ring segment 11 is provided with a support wheel 13.The section of ring segment 11 is L-shaped, and the anchor ring in outside is used to connect
Receive raw material.Pin tooth circle 12 and ring segment 11 are bolted, and have adjust pad on mounting surface, are caused for compensating mismachining tolerance
Gap.Pin tooth circle 12 is assembled by some pin tooths, bearing.Ring segment by being provided with the first rubber ring 14 under charge level, use
In closing airborne dust.
The transmission device 2 has at three, is circumferentially uniformly distributed.Each transmission device 2 by driving motor 21, gear 22,
Directive wheel 23, support 24 are constituted.Gear 22 is horizontally arranged on the output shaft of driving motor 21；Driving motor 21 is arranged on support
On 24；Directive wheel 23 is arranged on the both sides at the top of support 24；Support 24 is L-shaped structure, support beam of the lower weld in track 5
On.
Be both provided with scraper 3 by each feed bin of the mineral hot furnace ring-shaped charging system, for by raw material from feeding
Frame 1 is scraped in the feed bin specified.The scraper plate of scraper 3 is driven by the cylinder swing.
The effect of the locking device 4 is that the dust that will be produced during charging is closed, and prevents from polluting operating environment.
It is used to receive the raw material that belt conveyer is sent provided with receiving opening.Locking device 4 is by lamina tecti 401, side guard plate 402, support
403rd, shrouding 407/409 is constituted between slide carriage 406/408, feed bin between the second rubber ring 404, the 3rd rubber ring 405, feed bin.Support
403 be the rock-steady structure that steel design part is welded, and is constituted by some inverted L-shaped columns and for the channel-section steel for connecting column.
Lamina tecti 401 is sheet metal component, is placed in the top of support 403, and its edge is positioned in the channel-section steel at the top of support 403.Side guard plate 402
For sheet metal component, top flange is buckled on the channel-section steel of the top outer rim of support 403, bottom by the outer ring lower edge of support 403 channel steel support.
Second rubber ring 404 is fixed on by screw on the inside of the channel-section steel of the top inner ring of support 403, the ring segment 11 of lower edge and rotary shafts 1
It is upper along keeping less distance（1mm to 2mm）.3rd rubber ring 405 is fixed on the angle steel of the outer ring lower edge of support 403 by screw
On, lower edge is close to the top of feed bin 6.Shrouding 407 is fixed on support 403 between feed bin, for filling up with the sky between group feed bin
Gap, prevents dust excessive.Slide carriage 406 is fixed between feed bin on shrouding 407 between feed bin, for raw material to be sent into feed bin, is prevented
Raw material is accumulated between feed bin on shrouding 407.Shrouding 409 is fixed on support 403 between feed bin, for fill up two adjacent groups feed bin it
Between space, prevent dust excessive.Slide carriage 408 is fixed between feed bin on shrouding 409, for raw material to be sent into feed bin between feed bin
In, prevent raw material from being accumulated between feed bin on shrouding 407.
The track 5 is formed by deflection of rail, is fixed on by rail pressing device in support beam.
The feed bin 6 is circular steel design, is divided into three groups, totally 15, in annular shape distribution.With group feed bin spacing compared with
Closely, two adjacent groups spacing is farther out.Each top of feed bin 6 is provided with 3 supporting legs 61, and cover plate 62 and 63 is arranged at top.The title of single feed bin 6
Retransmitting sensor 64 has three, is placed on concrete platform or steel structure platform, is respectively used to support 3 supporting legs 61.
When mineral hot furnace ring-shaped charging system is installed at the scene, weighing sensor 64 is installed in place first, then by feed bin 6
Supporting leg 61 be supported on weighing sensor 64.The support wheel 13 of the bottom of rotary shafts 1 is placed on the rail 5 again, transmission dress
The gear 23 and pin tooth for putting 2 are engaged, and are adjusted between directive wheel 23 and the upper lower plate inner ring arc surface of the pin tooth of pin tooth circle 12
Gap.Next the support 403 of locking device 4 is installed in place, then shrouding between slide carriage 406/408, feed bin is installed between feed bin
407/409th, the second rubber ring 404 and the 3rd rubber ring 405, side guard plate 402.After scraper 3 is installed, then top cover is installed
Plate 401, notices that receiving opening will be directed at the lower discharge position of belt conveyer.
In order to ensure the accuracy weighed, when feed bin is unloaded, along can not connect on shrouding 407/409 and feed bin between feed bin
Touch, it is necessary to keep 1mm ~ 2mm spacing.In order to prevent airborne dust, the cover plate 62 and 63 at the top of feed bin 6 will be exposed at rubber at the top of feed bin
The opening portion in the inner side of glue ring 14 and the outside of the 3rd rubber ring 405 is closed, and the second rubber ring 404 is used for closed supports
Space between 403 top inner ring channel-section steels and the top of ring segment 11.
When a certain feed bin needs charging, belt conveyer starts the transferring raw material toward on the anchor ring of rotary shafts 1, transmission
Motor 21 is started working, and drive gear 23 rotates, and drives pin tooth circle 12 to run, so as to drive rotary shafts 1 to rotate；It is same with this
When, it is necessary to charging feed bin on scraper 3 scraper plate open, by the raw material scraping delivery on the anchor ring of rotary shafts 1 to finger
In fixed feed bin.
In scraper, it is impossible to whole raw materials is just sent into the opening of specified feed bin, at this moment leaked outside feed bin
Raw material can be slipped into feed bin along slide carriage between feed bin 406/408.
When rotary shafts 1 rotate, inevitably deviate the center of mineral hot furnace ring-shaped charging system, at this moment directive wheel
23 contact with the upper lower plate inner ring arc surface of the pin tooth of pin tooth circle 12, play guide effect, it is ensured that the normal fortune of rotary shafts 1
Row track, while also ensure that the sideshake of pin tooth transmission.
Claims (6)
1. a kind of mineral hot furnace ring-shaped charging system, it is characterised in that mainly by rotary shafts, transmission device, scraper, closing
Device, track and feed bin composition；
The rotary shafts are bolted by six ring segments and formed, and pin tooth circle, Mei Gehuan are provided with ring segment inner ring
Middle part below shape section is provided with a support wheel；Pin tooth circle and ring segment are bolted, and have adjust pad on mounting surface；
Pin tooth circle is assembled by some pin tooths, bearing；The section of the ring segment is L-shaped, and the anchor ring in outside is used to receive raw material；
The transmission device has at three, is circumferentially uniformly distributed；Each transmission device is by driving motor, gear, directive wheel, support
Composition；Gear is horizontally arranged on the output shaft of driving motor；Driving motor is rack-mount；Directive wheel is arranged on top of support
The both sides in portion；Support is L-shaped structure, and lower weld is in the support beam of track；
Scraper is both provided with by each feed bin of the mineral hot furnace ring-shaped charging system；
The locking device is by lamina tecti, side guard plate, between support, the second rubber ring, the 3rd rubber ring, feed bin between slide carriage, feed bin
Shrouding is constituted；Support is constituted by some inverted L-shaped columns and for the channel-section steel for connecting column；Lamina tecti is placed in cradle top,
The edge of lamina tecti is positioned in the channel-section steel of cradle top；Flange is buckled on the channel-section steel of cradle top outer rim at the top of side guard plate, bottom
Portion by support outer ring lower edge channel steel support；Second rubber ring is fixed on by screw on the inside of the channel-section steel of cradle top inner ring, lower edge
Less distance is kept with the upper edge of the ring segment of rotary shafts；3rd rubber ring is fixed on the angle of support outer ring lower edge by screw
On steel, lower edge is close to the top of feed bin；Shrouding is fixed on support between feed bin；Slide carriage is fixed between feed bin on shrouding between feed bin；
The track is formed by deflection of rail, is fixed on by rail pressing device in support beam；
The feed bin is circular steel design, is divided into three groups, totally 15, in annular shape distribution；Feed bin with group is smaller than phase
The spacing of adjacent two groups of feed bins；Each feed bin top is provided with three supporting legs, and cover plate is arranged at top；The weighing sensor of single feed bin has three
It is individual, it is placed on concrete platform or steel structure platform, is respectively used to support three supporting legs.
2. mineral hot furnace ring-shaped charging system according to claim 1, it is characterised in that：The ring segment by under charge level install
There is the first rubber ring, for closing airborne dust.
3. mineral hot furnace ring-shaped charging system according to claim 1, it is characterised in that：The scraper plate of the scraper is by external
Cylinder driving swing.
4. mineral hot furnace ring-shaped charging system according to claim 1, it is characterised in that：The support welds for steel design part
Rock-steady structure, lamina tecti is sheet metal component, and side guard plate is sheet metal component.
5. mineral hot furnace ring-shaped charging system according to claim 1, it is characterised in that：The second rubber ring lower edge and feeding
The upper distance along holding 1mm to 2mm of the ring segment of frame.
6. mineral hot furnace ring-shaped charging system according to claim 1, it is characterised in that：The pin tooth of the directive wheel and pin tooth circle
Upper lower plate inner ring arc surface can be come in contact in ring segment sideslip, play guide effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710373841.0A CN107131755B (en) | 2017-05-24 | 2017-05-24 | A kind of mineral hot furnace ring-shaped charging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710373841.0A CN107131755B (en) | 2017-05-24 | 2017-05-24 | A kind of mineral hot furnace ring-shaped charging system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107131755A true CN107131755A (en) | 2017-09-05 |
| CN107131755B CN107131755B (en) | 2019-04-19 |
Family
ID=59732667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710373841.0A Active CN107131755B (en) | 2017-05-24 | 2017-05-24 | A kind of mineral hot furnace ring-shaped charging system |
Country Status (1)
| Country | Link |
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| CN (1) | CN107131755B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108423350A (en) * | 2018-03-02 | 2018-08-21 | 深圳市傲顺精密科技有限公司 | A kind of intelligent rotating feed bin |
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| DE3149350A1 (en) * | 1981-12-12 | 1983-06-16 | Dango & Dienenthal Maschinenbau GmbH, 5900 Siegen | Machine for dressing the liquid bath of metallurgical furnaces |
| US4569057A (en) * | 1984-06-25 | 1986-02-04 | Pennsylvania Engineering Corporation | Material feed system for smelting furnaces |
| CN201463583U (en) * | 2009-06-11 | 2010-05-12 | 中钢集团吉林机电设备有限公司 | External cylinder omni-sealed ring-shaped feeding machine |
| CN102052849A (en) * | 2010-06-18 | 2011-05-11 | 四川龙蟒矿冶有限责任公司 | Method and device for continuous multi-point distribution in electric stove |
| CN202119267U (en) * | 2011-06-27 | 2012-01-18 | 宝钢工程技术集团有限公司 | Submerged arc furnace annular feeding hydraulic external type scraper blade |
-
2017
- 2017-05-24 CN CN201710373841.0A patent/CN107131755B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3149350A1 (en) * | 1981-12-12 | 1983-06-16 | Dango & Dienenthal Maschinenbau GmbH, 5900 Siegen | Machine for dressing the liquid bath of metallurgical furnaces |
| US4569057A (en) * | 1984-06-25 | 1986-02-04 | Pennsylvania Engineering Corporation | Material feed system for smelting furnaces |
| CN201463583U (en) * | 2009-06-11 | 2010-05-12 | 中钢集团吉林机电设备有限公司 | External cylinder omni-sealed ring-shaped feeding machine |
| CN102052849A (en) * | 2010-06-18 | 2011-05-11 | 四川龙蟒矿冶有限责任公司 | Method and device for continuous multi-point distribution in electric stove |
| CN202119267U (en) * | 2011-06-27 | 2012-01-18 | 宝钢工程技术集团有限公司 | Submerged arc furnace annular feeding hydraulic external type scraper blade |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108423350A (en) * | 2018-03-02 | 2018-08-21 | 深圳市傲顺精密科技有限公司 | A kind of intelligent rotating feed bin |
| CN108423350B (en) * | 2018-03-02 | 2023-12-08 | 深圳市傲顺精密科技有限公司 | Rotatory feed bin of intelligence |
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| Publication number | Publication date |
|---|---|
| CN107131755B (en) | 2019-04-19 |
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