CN107131755B - 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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- CN107131755B CN107131755B CN201710373841.0A CN201710373841A CN107131755B CN 107131755 B CN107131755 B CN 107131755B CN 201710373841 A CN201710373841 A CN 201710373841A CN 107131755 B CN107131755 B CN 107131755B
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- Prior art keywords
- ring
- feed bin
- bracket
- hot furnace
- charging system
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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
Abstract
The invention discloses a kind of mineral hot furnace ring-shaped charging systems, are made of rotary shafts, transmission device, scraper, locking device, track and feed bin；Rotary shafts are bolted by six ring segments, are equipped with pin tooth circle in ring segment inner ring, the middle part below each ring segment is equipped with a support wheel；Transmission device is made of driving motor, gear, directive wheel, bracket；There is scraper；Locking device is by lamina tecti, and side guard plate, sealing plate forms between slide carriage, feed bin between bracket, the second rubber ring, third rubber ring, feed bin；Track is formed by deflection of rail, is fixed in supporting beam by rail pressing device；Feed bin is round steel structure, distribution annular in shape；Each feed bin top is set there are three supporting leg, and cover board is arranged at top；There are three the weighing sensors of single feed bin, is placed on concrete platform or steel structure platform.Feed bin weighing of the present invention is accurate, and charging mechanism is simple and reliable, runs smoothly, without fugitive dust during charging.
Description
Technical field
The present invention relates to a kind of mineral hot furnace charging systems, and in particular to a kind of mineral hot furnace ring-shaped charging system belongs to metallurgy
Equipment technical field.
Background technique
Mineral hot furnace is also known as electric-arc furnace or resistance electric furnace.It is mainly used for reducing and smelting ore, carbonaceous reducing agent and flux etc.
Raw material.Main production ferrosilicon, manganese iron, the ferroalloys such as ferrochrome, ferrotungsten, silicomangan and calcium carbide, ferroalloy are weights 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 enlargement, closure.
In the production of large-scale mineral hot furnace, it is normally added in furnace to meet the raw materials such as mixture charge, on the top of mineral hot furnace
The bulk tank being circular layout equipped with several.It is most of at present with the enlargement of mineral hot furnace and the raising of automatization level
Mineral hot furnace uses ring-shaped charging system.
Ring-shaped charging system general at present is mainly by rotary shafts, transmission device, scraper, locking device, feed bin
Deng composition.Rotary shafts in a ring, are made of six ring segments being fixed together with bolt；Rotary shafts pass through under it
It is placed on the circumferentially friction pulley of equally distributed three transmission devices with the circular orbit that bolt is fixed, is oriented to by three
Wheel is oriented to the side of track.Scraper is made of scraper plate and cylinder, and a scraper plate, scraper plate are equipped with above each feed bin
It is driven by the cylinder swing；When the raw material in a certain feed bin is inadequate, when needing feeding, corresponding scraper plate is reached on ring segment, from rotation
The rack ring segment upper surface turned scrapes raw material in the feed bin for needing to feed.Sealing device is for preventing powder during feeding
Dirt is excessive, causes environmental pollution.
The major defect of this mineral hot furnace ring-shaped charging system is:
1. precision is low using the charge level height in ultrasonic sensor measurement feed bin to calculate doses indirectly；
2. track is bent by hot rolled rail, mismachining tolerance is larger, therefore the gap of directive wheel and track is difficult to protect
Card, directive wheel are often subject to impact, and cause to take turns 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 it is bolted
Error and circular orbit foozle so that rack ring segment lower surface (track installation face) out-of-flatness, leads to track
Lower surface is uneven, influences ring segment even running；
It weighs according to pressure sensor, the height of feed bin upper support structure then needs to increase accordingly, annular feeder
Sealing be a relatively difficult problem.
Summary of the invention
Accurate, raw material is weighed without leakage, free from dust, the mine of stable and reliable operation heat the purpose of the present invention is to provide a kind of
Annular charging system.
The present invention is implemented as follows:
A kind of mineral hot furnace ring-shaped charging system, mainly by rotary shafts, transmission device, scraper, locking device, track
It is formed with feed bin；
The rotary shafts are bolted by six ring segments, are equipped with pin tooth circle in ring segment inner ring, often
Middle part below a ring segment is equipped with a support wheel；Pin tooth circle and ring segment are bolted, and have adjustment on mounting surface
Gasket；Pin tooth circle is assembled by several pin tooths, support；The section of the ring segment is L shape, and the anchor ring in outside is for receiving
Raw material；
The transmission device has at three, is circumferentially uniformly distributed；Each transmission device by driving motor, gear, directive wheel,
Bracket composition；Gear is horizontally arranged on the output shaft of driving motor；Driving motor is rack-mount；Directive wheel is mounted on branch
The two sides of top of the trellis；Bracket is L-shaped structure, and lower weld is in the supporting 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 slide carriage, material between lamina tecti, side guard plate, bracket, the second rubber ring, third rubber ring, feed bin
Sealing plate forms between storehouse；Bracket is made of several inverted L-shaped columns and the channel steel for connecting column；Lamina tecti is placed in top of support
The edge in portion, lamina tecti is placed in the channel steel of cradle top；Flange is buckled on the channel steel of cradle top outer rim at the top of side guard plate,
Bottom by bracket outer ring lower edge channel steel support；Second rubber ring is fixed on the inside of the channel steel of cradle top inner ring by screw, under
Along upper along the lesser distance of holding with the ring segment of rotary shafts；Third rubber ring is fixed on bracket outer ring lower edge by screw
On angle steel, lower edge is close to the top of feed bin；Sealing plate is fixed on bracket between feed bin；Slide carriage is fixed on sealing plate between feed bin between feed bin
On；Sealing plate is fixed on bracket between feed bin；Slide carriage is fixed between feed bin on sealing plate between feed bin；
The track is formed by deflection of rail, is fixed in supporting beam by rail pressing device；
The feed bin is round steel structure, is divided into three groups, totally 15, distribution annular in shape；Feed bin spacing with group is small
In the spacing of two adjacent groups feed bin；Each feed bin top is set there are three supporting leg, and cover board is arranged at top；The weighing sensor of single feed bin
There are three, it is placed on concrete platform or steel structure platform, is respectively used to three supporting legs of support.
Further scheme is:
The ring segment by the first rubber ring is equipped under charge level, for closing fugitive dust.
Further scheme is:
The scraper plate of the scraper is driven by external cylinder and is swung.
Further scheme is:
The bracket is the rock-steady structure that steel structure part is welded, and lamina tecti is sheet metal component, and side guard plate is sheet metal component.
Further scheme is:
The second rubber ring lower edge is upper at a distance from holding 1mm to 2mm with the ring segment of rotary shafts.
Further scheme is:
The directive wheel and the upper lower clamp plate inner ring arc surface of the pin tooth of pin tooth circle can be in contact in ring segment sideslip,
Play guiding role.
The working method of mineral hot furnace ring-shaped charging system of the 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 lower part is placed in orbit again, the gear of transmission device and
Pin tooth engagement, adjusts the gap between directive wheel and the upper lower clamp plate inner ring arc surface of pin tooth circle pin tooth.It next will closing
The bracket of device is installed in place, then installs between feed bin sealing plate, the second rubber ring and third rubber ring, side guard plate between slide carriage, feed bin.
After installing scraper, then lamina tecti is installed, notices that receiving opening will be directed at the lower discharge position of belt conveyer.
In order to guarantee the accuracy of weighing, in feed bin zero load, need to protect along that cannot contact on sealing plate and feed bin between feed bin
Hold the spacing of 1mm ~ 2mm.Fugitive dust in order to prevent, cover board at the top of feed bin and will be exposed on the inside of the first rubber ring at the top of feed bin with
And the opening portion on the outside of third rubber ring is closed, the second rubber ring is for inner ring channel steel at the top of closed supports and ring segment
Gap between top.
When a certain feed bin needs to feed, belt conveyer starts toward transferring raw material on the anchor ring of rotary shafts, transmission
Motor is started to work, and driving gear rotation drives the operation of pin tooth circle, so that rotary shafts be driven to rotate；At the same time, it needs to add
The scraper plate of scraper on the feed bin of material is opened, will be in the raw material scraping delivery on the anchor ring of rotary shafts to specified feed bin.
In scraper, it is impossible to just be sent into whole raw materials in the opening of specified feed bin, at this moment leak outside feed bin
Raw material slide carriage can slide into feed bin between feed bin.
When rotary shafts rotation, inevitably deviate the center of mineral hot furnace ring-shaped charging system, at this moment directive wheel
With the upper lower clamp plate inner ring circular arc face contact of pin tooth circle pin tooth, guiding role is played, ensure that the normal operation rail of rotary shafts
Mark, while also ensuring the sideshake of pin tooth transmission.
The shortcomings that present invention effectively prevents mineral hot furnace traditional endless charging systems, feed bin weighing is accurate, charging mechanism letter
It is single reliable, it runs smoothly, without fugitive dust during charging.
Detailed description of the invention
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 perspective view of rotary shafts.
Fig. 4 is the top view of transmission device.
Fig. 5 is the perspective view of transmission device.
Fig. 6 is the perspective view of feed bin.
Fig. 7 is the stereoscopic schematic diagram of locking device and feed bin assembly relation, and rotary shafts and transmission device is not shown in the figure
Equal parts.
Specific embodiment
The present invention will be further described below with reference to the drawings
As shown in attached drawing 1-7, a kind of mineral hot furnace ring-shaped charging system, mainly by rotary shafts 1, transmission device 2, scraper
Device 3, locking device 4, track 5 and feed bin 6 form；
The rotary shafts 1 are bolted by six ring segments 11, are equipped with pin tooth circle in ring segment inner ring
12, the middle part of each 11 lower section of ring segment is equipped with a support wheel 13.The section of ring segment 11 is L shape, the anchor ring in outside
For receiving raw material.Pin tooth circle 12 and ring segment 11 are bolted, and have adjustment gasket on mounting surface, miss for compensating processing
Gap caused by difference.Pin tooth circle 12 is assembled by several pin tooths, support.Ring segment by being equipped with the first rubber ring under charge level
14, for closing fugitive 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, bracket 24 form.Gear 22 is horizontally arranged on the output shaft of driving motor 21；Driving motor 21 is mounted on bracket
On 24；Directive wheel 23 is mounted on the two sides at 24 top of bracket；Bracket 24 is L-shaped structure, supporting 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
Rack 1 scrapes in specified feed bin.The scraper plate of scraper 3 is driven by the cylinder swing.
The effect of the locking device 4 is to be closed the dust generated during charging, prevents pollution operating environment.
It is used to receive the raw material that belt conveyer is sent equipped with receiving opening.Locking device 4 is by lamina tecti 401, side guard plate 402, bracket
403, sealing plate 407/409 forms between slide carriage 406/408, feed bin between the second rubber ring 404, third rubber ring 405, feed bin.Bracket
403 rock-steady structures being welded for steel structure part, are made of several inverted L-shaped columns and the channel steel for connecting column.
Lamina tecti 401 is sheet metal component, is placed in 403 top of bracket, and edge is placed in the channel steel at 403 top of bracket.Side guard plate 402
For sheet metal component, top flange is buckled on the channel steel of 403 top outer rim of bracket, bottom by 403 outer ring lower edge of bracket channel steel support.
Second rubber ring 404 is fixed on the inside of the channel steel of 403 top inner ring of bracket by screw, the ring segment 11 of lower edge and rotary shafts 1
It is upper along keeping lesser distance (1mm to 2mm).Third rubber ring 405 is fixed on the angle steel of 403 outer ring lower edge of bracket by screw
On, lower edge is close to the top of feed bin 6.Sealing plate 407 is fixed on bracket 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 sealing plate 407 between feed bin, for raw material to be sent into feed bin, is prevented
Raw material is accumulated on sealing plate 407 between feed bin.Sealing plate 409 is fixed on bracket 403 between feed bin, for fill up two adjacent groups feed bin it
Between gap, prevent dust excessive.Slide carriage 408 is fixed between feed bin on sealing plate 409, for raw material to be sent into feed bin between feed bin
In, prevent raw material from accumulating on sealing plate 407 between feed bin.
The track 5 is formed by deflection of rail, is fixed in supporting beam by rail pressing device.
The feed bin 6 is round steel structure, is divided into three groups, totally 15, distribution annular in shape.With group feed bin spacing compared with
Closely, two adjacent groups spacing is farther out.Each 6 top of feed bin is equipped with 3 supporting legs 61, and cover board 62 and 63 is arranged at top.The title of single feed bin 6
It retransmits there are three sensors 64, is placed on concrete platform or steel structure platform, be respectively used to 3 supporting legs 61 of support.
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 1 lower part of rotary shafts is placed on the rail 5 again, transmission dress
The gear 23 and pin tooth for setting 2 engage, between the upper lower clamp plate inner ring arc surface for adjusting 12 pin tooth of directive wheel 23 and pin tooth circle
Gap.Next the bracket 403 of locking device 4 is installed in place, then sealing plate between slide carriage 406/408, feed bin is installed between feed bin
407/409, the second rubber ring 404 and third rubber ring 405, side guard plate 402.After installing scraper 3, 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 guarantee the accuracy of weighing, in feed bin zero load, along cannot connect on sealing plate 407/409 and feed bin between feed bin
Touching, needs to keep the spacing of 1mm ~ 2mm.The cover board 62 and 63 of fugitive dust in order to prevent, 6 top of feed bin will be exposed at rubber at the top of feed bin
The opening portion in 405 outside of 14 inside of rubber ring and third rubber ring is closed, and the second rubber ring 404 is used for closed supports
Gap between 11 top of 403 top inner ring channel steels and ring segment.
When a certain feed bin needs to feed, belt conveyer starts toward transferring raw material on the anchor ring of rotary shafts 1, transmission
Motor 21 is started to work, and driving gear 23 rotates, and pin tooth circle 12 is driven to run, so that rotary shafts 1 be driven to rotate；It is same with this
When, the scraper plate for the scraper 3 on feed bin for needing to feed is opened, 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 just be sent into whole raw materials in the opening of specified feed bin, at this moment leak outside feed bin
Raw material slide carriage 406/408 can slide into feed bin between feed bin.
When rotary shafts 1 rotate, inevitably deviate the center of mineral hot furnace ring-shaped charging system, at this moment directive wheel
23 with the upper lower clamp plate inner ring circular arc face contact of 12 pin tooth of pin tooth circle, play guiding role, ensure that the normal fortune of rotary shafts 1
Row track, while also ensuring 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, are equipped with pin tooth circle, Mei Gehuan in ring segment inner ring
Middle part below shape section is equipped with a support wheel；Pin tooth circle and ring segment are bolted, and have adjustment gasket on mounting surface；
Pin tooth circle is assembled by several pin tooths, support；The section of the ring segment is L shape, and the anchor ring in outside is for receiving raw material；
The transmission device has at three, is circumferentially uniformly distributed；Each transmission device is by driving motor, gear, directive wheel, bracket
Composition；Gear is horizontally arranged on the output shaft of driving motor；Driving motor is rack-mount；Directive wheel is mounted on top of support
The two sides in portion；Bracket is L-shaped structure, and lower weld is in the supporting 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 between lamina tecti, side guard plate, bracket, the second rubber ring, third rubber ring, feed bin between slide carriage, feed bin
Sealing plate composition；Bracket is made of several inverted L-shaped columns and the channel steel for connecting column；Lamina tecti is placed in cradle top,
The edge of lamina tecti is placed in the channel steel of cradle top；Flange is buckled on the channel steel of cradle top outer rim at the top of side guard plate, bottom
Portion by bracket outer ring lower edge channel steel support；Second rubber ring is fixed on the inside of the channel steel of cradle top inner ring by screw, lower edge
Lesser distance is kept with the upper edge of the ring segment of rotary shafts；Third rubber ring is fixed on the angle of bracket outer ring lower edge by screw
On steel, lower edge is close to the top of feed bin；Sealing plate is fixed on bracket between feed bin；Slide carriage is fixed between feed bin on sealing plate between feed bin；
The track is formed by deflection of rail, is fixed in supporting beam by rail pressing device；
The feed bin is round steel structure, is divided into three groups, totally 15, distribution annular in shape；Feed bin spacing with group is less than phase
The spacing of adjacent two groups of feed bins；Each feed bin top is set there are three supporting leg, and cover board is arranged at top；The weighing sensor of single feed bin has three
It is a, it is placed on concrete platform or steel structure platform, is respectively used to three supporting legs of support.
2. mineral hot furnace ring-shaped charging system according to claim 1, it is characterised in that: the ring segment by being installed under charge level
There is the first rubber ring, for closing fugitive 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 drive swing.
4. mineral hot furnace ring-shaped charging system according to claim 1, it is characterised in that: the bracket is the welding of steel structure part
Made of 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 rack.
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 clamp plate inner ring arc surface can be in contact in ring segment sideslip, play guiding role.
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 CN107131755A (en) | 2017-09-05 |
| CN107131755B true CN107131755B (en) | 2019-04-19 |
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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)
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| CN (1) | CN107131755B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (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 |
| CN102052849B (en) * | 2010-06-18 | 2012-09-19 | 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 |
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2017
- 2017-05-24 CN CN201710373841.0A patent/CN107131755B/en active Active
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