CN104534881B - Automatic iron alloy roasting and feeding structure and method thereof - Google Patents
Automatic iron alloy roasting and feeding structure and method thereof Download PDFInfo
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- CN104534881B CN104534881B CN201410107428.6A CN201410107428A CN104534881B CN 104534881 B CN104534881 B CN 104534881B CN 201410107428 A CN201410107428 A CN 201410107428A CN 104534881 B CN104534881 B CN 104534881B
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Abstract
The invention provides an automatic iron alloy roasting and feeding structure. The structure comprises a loading belt controlled by a control system, an iron alloy unloading trolley, a roaster receiving weigh hopper, a roaster, a weighing trolley, an alloy discharging slide pipe, a ladle, an alloy accident slide pipe and an alloy accident hopper. The loading belt is lapped between an iron alloy storage bin platform and a high converter frame. The iron alloy unloading trolley moves to and fro between a material outlet and the roaster receiving weigh hopper and includes an unloading port. The roaster receiving weigh hopper is provided with a sector valve. The roaster receives materials from the sector valve. The weighing trolley moves to and fro among the roaster, the alloy discharging slide pipe and the alloy accident slide pipe. The alloy accident slide pipe is installed in parallel with the alloy discharging slide pipe. Through the combination of the aforementioned components, the automatic iron alloy roasting and feeding structure is realized, so that silicon iron alloy can be accurately and quickly fed into the ladle, manual operation interference is reduced, and a good effect of improving the control of silicon steel smelting is achieved.
Description
Technical field
The present invention provides a kind of ferroalloy automatic baking feeding structure, refers in particular to a kind of be suitable to produce high grade silicon steel
Ferroalloy automatic baking feeding structure and its method.
Background technology
Silicon steel is Antaciron between 3% ~ 5% for the silicon content, is the important materials of the industries such as electronics, electric power, has smelting
Sweetening process has high demands, and rolling mill practice is complicated, and the features such as added value is high, domestic large iron and steel enterprise in succession develops silicon steel and produces and sets
Standby and its application technology.
In high grade silicon steel tapping process, need to add a large amount of Antacirons in molten steel, a large amount of Antacirons add meeting
Lead to molten steel temperature drop to greatly promote, cause Tapping Temperature of Bof to need to bring up to 1700 DEG C.The raising of tapping temperature result in and turns
The reduction of stove lining durability, is unfavorable for the continuous production of converter, adversely affects to organization of production.Certainly, Antaciron dries
The roasting tapping temperature that can reduce molten steel temperature drop, reduce converter smelting silicon steel, can be reduced in Antaciron by baking simultaneously
Moisture, reduce alloy to molten steel increase h impact.
Under normal circumstances, converter ferroalloy automatic feeding system does not account for alloy baking, and the alloy needing baking can not
It is automatically added in ladle by existing material alloying system.Currently, middle primary converter smelt high grade silicon steel when, using batch can
Antaciron is loaded in oven, the alloy after baking is added to furnace rear alloy by front end loader and collects bucket, finally by
Ferroalloy is added in ladle swivel chute, and the mechanization of this charging technology, automatization level are relatively low, labor strength
Greatly, poor working environment.Smelt high grade silicon steel according to mammoth conveter, baking alloy addition is big, such as still adopt above-mentioned charging
Technique adds Antaciron into ladle, and operation interference will be led to increase it is difficult to meet production requirement.
Content of the invention
For solving above-mentioned technical problem, present invention is primarily targeted at providing a kind of ferroalloy automatic baking feeding structure
And its method, this ferroalloy automatic baking feeding structure be a set of be applied to mammoth conveter smelt high grade silicon steel alloy automatic
Baking charging technology system, on the premise of ensureing alloy baking temperature, can automatically by a large amount of alloys after baking accurately, soon
It is added in ladle fastly, reduces the interference of artificial operation factors, effectively improve silicon steel and smelt control level.
For reaching above-mentioned purpose, the right technical scheme of the present invention is: a kind of ferroalloy automatic baking feeding structure, including
The charging belt of control system management and control, ferroalloy dump car, oven material feeding weighing, oven, weighing cart, alloy blanking
Elephant trunk, ladle and alloy accident elephant trunk and alloy accident hopper, wherein: this charging belt is overlapped in ferroalloy bunker platform
And between converter is overhead, this ferroalloy dump car operates back and forth between this discharge end and this oven material feeding scale hooper and wraps
Include discharge port, this oven material feeding scale hooper is provided with quarrel and quadrant valve, when described ferroalloy dump car is displaced to this baking
When above stove material feeding scale hooper, described discharge port will be directed at quarrel, and this oven is accepted described sector valve outlet port and included turnover panel
Valve, its underpart position is additionally provided with oscillating feeder, and this weighing cart is in this oven to this alloy emission of baiting chute, this alloy accident
Operate back and forth between elephant trunk, this alloy accident elephant trunk is listed in this alloy emission of baiting chute and installs.
In embodiments of the present invention, this charging belt includes feed end and discharge end.
In embodiments of the present invention, this ferroalloy bunker platform is provided with dumping pit.
In embodiments of the present invention, this weighing cart is below position with respect to this oven, and with respect to this conjunction
Golden emission of baiting chute is then in top position.
In embodiments of the present invention, when this weighing cart breaks down, described control system can close described fan immediately
Shape valve, described oscillating feeder stopping vibration simultaneously.
In embodiments of the present invention, this ferroalloy automatic baking feeding structure also includes accident returning charge chute.
In embodiments of the present invention, when this weighing cart runs to described accident returning charge chute position, this weighing cart
In Antaciron can be back among described alloy accident hopper by this alloy accident elephant trunk.
In embodiments of the present invention, this ferroalloy automatic baking feeding structure also includes ferroalloy and collects bucket, collects bucket
Emission of baiting chute and ferroalloy revolving slide, this collects bucket emission of baiting chute front end connection ferroalloy and collects bucket outlet, and rear end connects
This ferroalloy revolving slide.
A kind of method being applied to this ferroalloy automatic baking feeding structure, included step: the first step, start and control
System is allowed to send feeding signal, and it is overhead that Antaciron is delivered to converter from feed bin by this charging belt;Second step, ferroalloy unloads
Trolley runs to described discharge end and accepts Antaciron and be transported to described oven material feeding scale hooper, will by described discharge port
Silicon alloy is added in this oven material feeding scale hooper;3rd step, sets when the Antaciron amount in oven material feeding scale hooper reaches
During definite value, described charging belt stops feeding, and now, described quadrant valve is opened and closed ferrosilicon and is circulated into this oven, works as baking
When Antaciron amount in oven reaches preset value, this quadrant valve is closed, and described charging belt continues feeding;4th step, when this baking
When temperature in oven reaches predetermined value, described weighing cart runs to this oven, and this quadrant valve is opened and passed through institute
State oscillating feeder and add Antaciron in this weighing cart;When the Antaciron amount in this weighing cart reaches preset value
When, described quadrant valve is closed, and this oscillating feeder stops vibration, and now this flap valve is opened, and oven carries out feeding;5th
Step, this weighing cart runs and collects bucket rear off-position to described ferroalloy, and this quadrant valve is opened;6th step, Antaciron is through drying
After roasting by this alloy emission of baiting chute be added to described in collect and struggle against in emission of baiting chute, then be added to through described ferroalloy revolving slide
In ladle.
In embodiments of the present invention, this weighing cart breaks down in weighing process, and described quadrant valve is closed, and now should
Oscillating feeder stops vibration.
In embodiments of the present invention, this weighing cart runs to this accident returning charge chute position, and the ferrosilicon that it is loaded with closes
Gold can be back in described alloy accident hopper by this alloy accident elephant trunk.
In embodiments of the present invention, this quadrant valve adopts Electrohydraulic push rod to drive.
In embodiments of the present invention, this quadrant valve adopts air cylinder driven.
In embodiments of the present invention, this oven feeding mouth installs institute by described flap valve fitted seal, its discharging opening
State quadrant valve and oscillating feeder.
In embodiments of the present invention, this weighing cart is under Motor drive by setting rail running be configured with coil of cable
Cylinder, its speed of service is 3-40m/min.
In embodiments of the present invention, this weighing cart controls for plc, and chain with described control system.
In embodiments of the present invention, this is collected bucket emission of baiting chute and is configured with the link position of this ferroalloy revolving slide
Converter.
Compared with prior art, it has the advantages that the present invention: one is available with the feeding system of common ferroalloy,
Reduce technological equipment investment;Two is that the alloy after baking can automatically return to when ferroalloy baking charging system weighs wrong
Alloy accident hopper;Three is using Automated condtrol it is achieved that quick, the accurate feeding of Antaciron, toasting and feed intake;Four are
Meet mammoth conveter and produce the requirement to material alloying for the high grade silicon steel, and significantly mitigate the labor intensity of workman.
Brief description
Fig. 1 is the block diagram in embodiment of the present invention feeding and charging flow process.
Fig. 2 is ferroalloy bunker platform arrangement schematic diagram.
Fig. 3 is that furnace rear ferroalloy collects bucket platform arrangement schematic diagram.
Fig. 4 is the schematic cross-sectional view of the embodiment of the present invention.
Fig. 5 is the skiagraph of the embodiment of the present invention.
Specific embodiment
The present invention is further illustrated below in conjunction with the accompanying drawings.
Refer to Fig. 1 and combine refering to shown in Fig. 2, Fig. 3 and Fig. 4 and Fig. 5, the present invention provides a kind of ferroalloy automatic baking
Roasting feeding structure, claims including the charging belt 1 of control system (not shown) management and control, ferroalloy dump car 14, oven material feeding
Amount 3, oven 10, weighing cart 9, alloy emission of baiting chute 8, ladle 16 and alloy accident elephant trunk 12 and alloy accident hopper
13, wherein:
This charging belt 1 be overlapped in ferroalloy bunker platform and converter overhead between and to include feed end and converter under storehouse high
Frame discharge end, ferroalloy bunker platform is provided with dumping pit 2;
This ferroalloy dump car 14 operates 3 back and forth between this discharge end and this oven material feeding scale hooper 3 and includes
Discharge port (does not indicate);Have quarrel (sign) on this oven material feeding scale hooper 3, under have quadrant valve (sign), when described
When ferroalloy dump car 14 is displaced to described oven material feeding scale hooper 3 top, described discharge port will be directed at quarrel;This baking
Oven 10 is accepted described sector valve outlet port and is included flap valve 19, is additionally provided with oscillating feeder in this oven 10 lower position
18;This weighing cart 9 operates between this oven 10 to this alloy emission of baiting chute 8, this alloy accident elephant trunk 12 back and forth, this conjunction
Golden accident elephant trunk 12 is listed in this alloy emission of baiting chute 8 and installs, wherein: this weighing cart 9 is in down with respect to this oven 10
Orientation is put, and is then in top position with respect to this alloy emission of baiting chute 8, when this weighing cart 9 breaks down, described control
System can close described quadrant valve immediately, and described oscillating feeder 18 stops vibration simultaneously, and now, described weighing cart 9 will be transported
Row is to accident returning charge chute position, and the alloy water in this weighing cart 9 then can be back to institute by this alloy accident elephant trunk 12
State among alloy accident hopper 13.
Referring again to shown in figure Fig. 2, Fig. 3 and Fig. 4 and Fig. 5, the present invention provides one kind to be applied to ferroalloy automatic baking
The method of feeding structure, the step included by the method: first, start control system and be allowed to send feeding signal, this feeding skin
Converter is overhead to carry 1 to be delivered to Antaciron from feed bin, and ferroalloy dump car 14 runs to described discharge end and accepts ferrosilicon conjunction
Gold is simultaneously transported to described oven material feeding scale hooper 3, and silicon alloy is added to this baking by discharge port by this ferroalloy dump car 14
In oven material feeding scale hooper 3;Second, when the Antaciron amount that oven material feeding weighs in 3 buckets reaches setting value, this feeding skin
Stop feeding with 1 under the management and control of described control system, now, the quadrant valve of this oven material feeding scale hooper 3 bottom is opened simultaneously
Ferrosilicon is closed and is circulated in described oven 10;When pouring into, when the Antaciron amount in oven 10 reaches preset value, this control
System processed will instruct this quadrant valve of closing, and this control system also sends and continues the standby command signal of feeding, doses thereon simultaneously
For the maximum capacity of oven material feeding scale hooper 3, the oven 10 feeding time next time is reduced with this;3rd, work as Antaciron
When temperature in this oven 10 reaches predetermined value, described weighing cart 9 runs to this under the instruction of described control system
Below oven 10, this quadrant valve is opened and is passed through described oscillating feeder 18 and adds Antaciron in weighing cart 9;When this
When Antaciron amount in weighing cart 9 reaches preset value, described quadrant valve is closed, and this oscillating feeder 18 stops vibration, this
When, the flap valve 19 above this oven is opened, and oven carries out feeding;4th, the weighing cart 9 equipped with default alloy amount is transported
Accurate off-position is realized at the rear that row to ferroalloy collects bucket 4, and described ferroalloy collects bucket 4 and is provided with and collects bucket emission of baiting chute 5 connecting
Logical ferroalloy revolving slide 6, the junction collecting struggle against emission of baiting chute 5 and this ferroalloy revolving slide 6 at this may be configured with converter
15.During running, quadrant valve described in described control system instruction unpack, toasted after, Antaciron pass through described alloy blanking chute
Pipe 8 be added to described in collect bucket emission of baiting chute 5 in, after be added in ladle 16 through described ferroalloy revolving slide 6.If
Described weighing cart 9 breaks down in weighing process, and described control system can instruct the described quadrant valve of closing, and now this vibration is given
Material machine 18 stops vibration, and when described weighing cart 9 runs to accident returning charge chute position, the ferrosilicon in this weighing cart 9 closes
Gold can be back in alloy accident hopper 13 by described alloy accident elephant trunk 12.Thereby just complete described one kind and be applied to ferrum
The application of the method for alloy automatic baking feeding structure.
In sum, only the preferred embodiments of the invention, does not limit protection scope of the present invention with this, all according to the present invention
Equivalence changes and modification that the scope of the claims and description are made, are all within the scope of patent of the present invention covers.
Claims (12)
1. a kind of ferroalloy automatic baking feeding structure, including the charging belt of control system management and control, ferroalloy dump car, baking
Oven material feeding scale hooper, oven, weighing cart, alloy emission of baiting chute, ladle and alloy accident elephant trunk and alloy accident
Hopper it is characterised in that: this charging belt be overlapped in ferroalloy bunker platform and converter overhead between, this ferroalloy dump car
Operate back and forth between discharge end and this oven material feeding scale hooper and include discharge port, this oven material feeding scale hooper is provided with bucket
Mouth and quadrant valve, when above described ferroalloy dump car being displaced to this oven material feeding scale hooper, described discharge port will be right
Quasi- quarrel, this oven is accepted described sector valve outlet port and is included flap valve, and its underpart position is additionally provided with oscillating feeder, weighs
Dolly operates between oven to alloy emission of baiting chute, alloy accident elephant trunk back and forth, and alloy accident elephant trunk is listed in this alloy
Emission of baiting chute is installed;
This charging belt includes feed end and discharge end;
This weighing cart is below position with respect to this oven, and is then in upper position with respect to this alloy emission of baiting chute
Put;
When this weighing cart breaks down, described control system can close described quadrant valve immediately, simultaneously described oscillating feeder
Stop vibration;
This ferroalloy automatic baking feeding structure also includes accident returning charge chute;
When this weighing cart runs to described accident returning charge chute position, the Antaciron in this weighing cart can pass through this alloy
Accident elephant trunk is back among described alloy accident hopper.
2. ferroalloy automatic baking feeding structure as claimed in claim 1 it is characterised in that: this ferroalloy bunker platform is provided with
Dumping pit.
3. ferroalloy automatic baking feeding structure as claimed in claim 1 it is characterised in that: this ferroalloy automatic baking charging
Structure also includes ferroalloy and collects bucket, collects bucket emission of baiting chute and ferroalloy revolving slide, and this collects bucket emission of baiting chute front end
Connection ferroalloy collects bucket outlet, and rear end connects this ferroalloy revolving slide.
4. a kind of method being applied to ferroalloy automatic baking feeding structure as claimed in claim 1 it is characterised in that: the party
Step included by method: the first step, start control system and be allowed to send feeding signal, the ferrum needing baking is closed by this charging belt
It is overhead that gold is delivered to converter from feed bin;
Second step, ferroalloy dump car runs to described discharge end and accepts ferroalloy and be transported to described oven material feeding scale hooper
Top, by described discharge port, ferroalloy is added in this oven material feeding scale hooper;
3rd step, when the ferroalloy amount in oven material feeding scale hooper reaches setting value, described charging belt stops feeding, this
When, described quadrant valve is opened and is closed ferrosilicon and is circulated into this oven, should when the ferroalloy amount in oven reaches preset value
Quadrant valve is closed, and described charging belt continues feeding;
4th step, when the temperature in this oven reaches predetermined value, described weighing cart runs to this oven, this fan
Shape valve is opened and is passed through described oscillating feeder and adds ferroalloy in this weighing cart;When the ferroalloy amount in this weighing cart
When reaching preset value, described quadrant valve is closed, and this oscillating feeder stops vibration, and now this flap valve is opened, and oven is carried out
Feeding;
5th step, this weighing cart runs and collects bucket rear off-position to described ferroalloy, and this quadrant valve is opened;
6th step, pass through after ferroalloy is toasted alloy emission of baiting chute be added to described in collect and struggle against in emission of baiting chute, then through described
Ferroalloy revolving slide is added in ladle.
5. method as claimed in claim 4 it is characterised in that: this weighing cart breaks down in weighing process, described sector
Valve cuts out, and now this oscillating feeder stops vibration.
6. the method as described in claim 4 or 5 it is characterised in that: this weighing cart runs to this accident returning charge chute position,
The ferroalloy that it is loaded with can be back in described alloy accident hopper by this alloy accident elephant trunk.
7. method as claimed in claim 4 it is characterised in that: this quadrant valve adopt Electrohydraulic push rod drive.
8. method as claimed in claim 4 it is characterised in that: this quadrant valve adopts air cylinder driven.
9. method as claimed in claim 4 it is characterised in that: this oven feeding mouth by described flap valve fitted seal, its
Discharging opening installs described quadrant valve and oscillating feeder.
10. method as claimed in claim 4 it is characterised in that: this weighing cart under Motor drive press set rail running
And it is configured with cable drum, its speed of service is 3-40m/min.
11. methods as claimed in claim 4 it is characterised in that: this weighing cart be plc control, and with described control system
Chain.
12. methods as claimed in claim 4 it is characterised in that: this collects bucket emission of baiting chute and this ferroalloy revolving slide
Link position is configured with converter.
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CN201410107428.6A CN104534881B (en) | 2014-01-13 | 2014-03-21 | Automatic iron alloy roasting and feeding structure and method thereof |
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CN2014100136425 | 2014-01-13 | ||
CN201410107428.6A CN104534881B (en) | 2014-01-13 | 2014-03-21 | Automatic iron alloy roasting and feeding structure and method thereof |
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CN104534881B true CN104534881B (en) | 2017-01-25 |
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CN107557527A (en) * | 2017-09-29 | 2018-01-09 | 四川德胜集团钒钛有限公司 | A kind of steelmaking converter alloy baking system |
CN111410062A (en) * | 2019-12-28 | 2020-07-14 | 攀钢集团西昌钢钒有限公司 | Vacuum circulation degassing furnace and feeding device thereof |
CN113201623A (en) * | 2021-05-19 | 2021-08-03 | 宝武集团鄂城钢铁有限公司 | Control operation method for weighing, baking and automatically adding converter alloy |
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DE2517326A1 (en) * | 1975-04-18 | 1976-10-21 | Weber Hans Bernd | Loading trolley for moulded ceramic blanks drier - has cover plate for ensuring uniform air flow over blanks |
WO1997020182A1 (en) * | 1995-11-28 | 1997-06-05 | F.L. Smidth & Co. A/S | Method for conveying of dry, pulverulent material |
CN202114249U (en) * | 2011-06-25 | 2012-01-18 | 首钢贵阳特殊钢有限责任公司 | Ferroalloy baking and feeding system |
CN102937378A (en) * | 2012-10-31 | 2013-02-20 | 中冶南方工程技术有限公司 | Method and device for automatic loading of roasting alloys in silicon steel production |
CN103266194A (en) * | 2013-04-25 | 2013-08-28 | 中冶赛迪工程技术股份有限公司 | Shaft furnace-electric arc furnace direct reduced iron continuous hot-feeding device and feeding control method |
CN203772019U (en) * | 2014-01-13 | 2014-08-13 | 中冶南方工程技术有限公司 | Iron alloy automatic baking and feeding structure |
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2014
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Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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DE2517326A1 (en) * | 1975-04-18 | 1976-10-21 | Weber Hans Bernd | Loading trolley for moulded ceramic blanks drier - has cover plate for ensuring uniform air flow over blanks |
WO1997020182A1 (en) * | 1995-11-28 | 1997-06-05 | F.L. Smidth & Co. A/S | Method for conveying of dry, pulverulent material |
CN202114249U (en) * | 2011-06-25 | 2012-01-18 | 首钢贵阳特殊钢有限责任公司 | Ferroalloy baking and feeding system |
CN102937378A (en) * | 2012-10-31 | 2013-02-20 | 中冶南方工程技术有限公司 | Method and device for automatic loading of roasting alloys in silicon steel production |
CN103266194A (en) * | 2013-04-25 | 2013-08-28 | 中冶赛迪工程技术股份有限公司 | Shaft furnace-electric arc furnace direct reduced iron continuous hot-feeding device and feeding control method |
CN203772019U (en) * | 2014-01-13 | 2014-08-13 | 中冶南方工程技术有限公司 | Iron alloy automatic baking and feeding structure |
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