CN208795009U - A kind of alloy material baking furnace system - Google Patents
A kind of alloy material baking furnace system Download PDFInfo
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- CN208795009U CN208795009U CN201821272762.7U CN201821272762U CN208795009U CN 208795009 U CN208795009 U CN 208795009U CN 201821272762 U CN201821272762 U CN 201821272762U CN 208795009 U CN208795009 U CN 208795009U
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Abstract
The utility model relates to metallurgical furnace kiln equipment technical fields more particularly to a kind of alloy material to toast furnace system.Including feeding device, oven, burner, air heat exchanger, device for discharging and fume extractor；The oven includes top shaft, lower part shaft and multiple every beam, is inverted V type every beam, is fixed in inside shaft every beam layering level, and run through shaft, is each equipped with a burner every Liang Xiaduankouchu；Feeding device is mounted on above oven, and air heat exchanger is mounted on outside the shaft of beam type oven top, and fume extractor is connected with air heat exchanger, and device for discharging is mounted on beam type baking furnace bottom.Not only the gap in oven between alloy material had been increased, but also has enable the flue gas of heat by running among the bed of material, alloy material is heated evenly, and cured effect is good, and energy utilization rate is high.
Description
Technical field
The utility model relates to metallurgical furnace kiln equipment technical fields more particularly to a kind of alloy material to toast furnace system.
Background technique
Pneumatic steelmaking needs to toast the alloy materials such as silicomanganese, manganese iron, ferrosilicon, and alloy material drying degree and baking temperature
Degree plays an important role to steel mill end product quality and reduction converter smelting temperature.Alloy material additional amount is with smelting steel grade
Difference and be added several hundred kilograms to several tons and differ.Alloy material under normal temperature state is being added to 1600 DEG C or more of molten steel
Amount of heat is absorbed when middle, until reducing liquid steel temperature, in order to guarantee the castability of molten steel, converter is forced to improve tapping temperature
Degree.It improves tapping temperature and is not only degrading steel quality, will also cause the reduction in converter resistance to material service life, the raising of refractory consumption,
The increase of steel-making cost also causes many adverse effects to tissue production.In addition, alloy material humidity be also possible to cause to turn over packet,
The accidents such as slab bubble and quality problems.Therefore, the alloy material before addition ladle is preheated, improving alloy material using temperature is refining
One important measures of steel production.Alloy material after converter is toasted, Tapping Temperature of Bof can be reduced, improves slab matter
Amount, achievees the purpose that cost efficiency.
Now, most of iron and steel enterprises all use alloy baking stove to toast alloy material, and alloy material is first put into material
In bucket, alloy material is put into oven feed bin in the feeding port by alloy baking stove, utilizes the combustion on oven furnace wall
The alloy material in oven feed bin is heated in the flowing of high-temperature flue gas caused by burning system, due to the bulk density of alloy material
Bigger, the gap between material and material is smaller, and the permeability of high-temperature flue gas is poor, while being limited by steel-smelting production process, is
Cooperating converter producing rhythm, the baking time of alloy material only has 10~20 minutes after converter, and easily cause alloy material uneven heating even,
Bed of material external temperature is high, the low phenomenon of internal temperature.
Application number: 201410206611.1 utility model, one kind provided " alloy baking furnace system ", its main feature is that combustion
Burn room with alloy baking stove be it is seperated, the two is connected to by gas passage, and combustion chamber is furnished with burner, hot caused by burning
The advantages of gas enters alloy baking stove by gas passage, this mode is that combustion chamber can provide abundance for alloy baking stove
Hot gas source.But this baking system exists following insufficient: first is that taking up a large area；Second is that the hot gas source of combustion chamber will pass through gas
Body channel just can enter alloy baking stove, easily cause thermal loss；Third is that hot gas source need to be from bed of material bottom after entering alloy baking stove
Portion penetrates the bed of material, and resistance easily causes greatly temperature uneven.
Utility model content
For overcome the deficiencies in the prior art, the utility model provides a kind of alloy material baking furnace system, has both increased baking
Gap in oven between alloy material, and enable the flue gas of heat by running among the bed of material, alloy material is heated evenly, cured effect
Good, energy utilization rate is high.
In order to achieve the above object, the utility model is implemented with the following technical solutions:
A kind of alloy material toasts furnace system, including feeding device, oven, burner, air heat exchanger, device for discharging with
Fume extractor；The oven includes top shaft, lower part shaft and multiple every beam, is inverted V type every beam, is layered every beam horizontal
It is fixed in inside shaft, and runs through shaft, be each equipped with a burner every Liang Xiaduankouchu；Feeding device is mounted on baking
Above oven, air heat exchanger is mounted on outside the shaft of beam type oven top, and fume extractor is connected with air heat exchanger, discharging
Device is mounted on beam type baking furnace bottom.
The feeding device includes crane, material feeding jar, material feeding jar pull rod, feeding port and feeding lid；Material feeding jar pull rod
It is mounted on material feeding jar, material feeding jar is by crane handling；Feeding port is fixed at the top of oven, and feeding lid is covered on feeding port.
The upper furnace is as cylinder type, and lower furnace is as partially tapered；The furnace wall of the top shaft is three-decker, outside
Layer is steel plate, and middle layer is refractory fibre, and internal layer is ramming mass, and lower furnace is as cast member.
It is the multiple to be fixed in every beam layering inside the shaft of top and inside the shaft of lower part, through the inverted V type of top shaft
Level is arranged every beam in 90 ° every beam with the inverted V type level through lower part shaft.
Described to be made every beam of ferroalloy materials, the angle between two V-type blades is 90~120 °.
The burner is temperature controllable burner, is equipped with automatic ignitor and flame monitor.
The air heat exchanger is ring type structure, is looped around beam type oven top shaft, the upper edge of air heat exchanger with
With upper furnace simultaneously along level.
The device for discharging includes discharging control valve, discharge chute and ladle feeding port, and discharging control valve is mounted on
Lower part shaft bottom, ladle feeding port are located at below oven, and oven is connected by discharge chute with ladle feeding port.
The fume extractor includes air-introduced machine and smoke discharging pipe, and air-introduced machine is mounted on smoke discharging pipe, smoke discharging pipe and sky
Along connected on gas heat exchanger；Fume extractor is upper smoke evacuation, mechanical forced smoke evacuation.
Compared with prior art, the utility model has the beneficial effects that
Several layerings of arrangement are through the inverted V type level of shaft every beam, each inverted V type in the utility model alloy baking stove
Level is disposed with a temperature controllable burner every Liang Xiaduankouchu, makes the alloy material entered in oven due to the skeleton work every beam
With increasing the gas permeability between alloy material, and can enter flame and hot fume inside alloy material heap to alloy material different level
It is heated, being heated evenly property of alloy material can be greatlyd improve, keep the utilization of the energy more abundant.A whole set of baking system novelty,
Efficiently, energy-saving and environmental protection, occupied area are small, easy to operate, can preferably meet field condition and process for making is online to ferroalloy
The target call of baking temperature.
Detailed description of the invention
Fig. 1 is the utility model structural representation front view；
Fig. 2 is the A of Fig. 1 to cross-sectional view；
Fig. 3 is the B of Fig. 1 to cross-sectional view.
In figure: the furnace wall 6- upper furnace of the top 1- crane 2- material feeding jar pull rod 3- material feeding jar 4- feeding port 5- shaft
The lower part body 7- shaft 8- discharge chute 9- ladle feeding port 10- discharging control valve the first burner of 11- 12- second fires
Burner 13- third burner 14- is every beam 15- air heat exchanger 16- fume extractor 17- feeding lid
Specific embodiment
As shown in Figure 1-3, a kind of alloy material toasts furnace system, including the burning of feeding device, beam type oven, temperature controllable
Device, ring-like air heat exchanger 15, device for discharging and fume extractor.
Feeding device includes crane 1, material feeding jar 3, material feeding jar pull rod 2, feeding port 4 and feeding lid 17.Material feeding jar pull rod 2
It is mounted on material feeding jar 3, by crane handling, feeding port 4 is fixed at the top of oven material feeding jar 3, and feeding lid 17 is covered in feeding
On mouth 4.Material feeding jar 3 equipped with alloy material is transported to feeding port 4 by crane 1, loosens material feeding jar pull rod 2, alloy material through feeding port 4 into
Enter into beam type oven, empty material feeding jar 3 is transported out of feeding port 4 by crane 1, then the lid of feeding lid 17 to feeding port 4.
Beam type oven runs through the inverted V type level of shaft every 14 groups of beam by top shaft 6, lower part shaft 7, several layerings
At.Top shaft 6 is cylinder type, and lower part shaft 7 is partially tapered.Inverted V type level through top shaft 6 every there are four the beams 14,
Divide two layers and arranges, two every layer；Inverted V type level through lower part shaft 7 has 1 every beam 14, through top shaft 6 and under running through
The inverted V type level of portion's shaft 7 is every beam in 90 ° of arrangements.
The furnace wall 5 of top shaft is three-decker, and outer layer is steel plate, plays protection and fixed function, middle layer are High-Alumina
Refractory fibre has heat insulating function, and to reduce radiation loss, internal layer is attached most importance to metallic ramming mass, and alloy material heap falls on beam type baking
Play anti impact wear-proof when in oven, lower part shaft 7 is cast member.
Inverted V type level is NiCr ferroalloy matter every beam 14, and angle of the inverted V type level between 14 two blades of beam is
120 °, this horizontal high every beam strength, wearability is good, can also increase the gap in oven between alloy material, provides for burning thoroughly
Precondition.Meanwhile combustion flame also being made to penetrate alloy bed of material center portion, the hot fume of generation of burning is from alloy bed of material different level
Alloy material is heated, alloy material is heated evenly, improves the utilization rate of the energy.
Each inverted V type is equipped with temperature controllable burner every Liang Xiaduankouchu, through top shaft 6 inverted V type level every
It is the second burner 12 and third burner 13 at 14 lower port of beam, the inverted V type level through lower part shaft 7 is every 14 lower end of beam
It is the first burner 11 at mouthful.Temperature controllable burner is equipped with automatic ignitor and flame monitor, has large and small fire conversion
Function opens high fire function automatically, heats to alloy material when filling alloy material in oven, automatic to start when discharging
Small fire function reaches and meets technique and energy-efficient purpose.
Ring-like air heat exchanger 15 is ring type structure, is looped around the outside of beam type oven top shaft 6, ring-like air changes
The upper edge of hot device 15 on top shaft 6 along it is horizontal simultaneously.
Device for discharging includes discharging control valve 10, discharge chute 8, ladle feeding port 9.Discharging control valve 10 is mounted on down
7 bottom of portion's shaft, ladle feeding port 9 are located at below oven, and oven passes through discharge chute 8 and ladle feeding port phase
Even.
Fume extractor 16 includes air-introduced machine and smoke discharging pipe, and air-introduced machine is mounted on smoke discharging pipe, smoke discharging pipe with it is ring-like
Along connected on air heat exchanger 15.Fume extractor 16 is upper smoke evacuation, mechanical forced smoke evacuation.
Utility model works process specifically comprises the following steps:
Step 1: the material feeding jar 3 equipped with alloy material is transported to feeding port 4 by crane 1, material feeding jar pull rod 2 is loosened, alloy is through upper
Material mouth 4 enters in beam type oven, and empty material feeding jar 3 is transported out of feeding port 4 by crane 1, then feeding lid 17 is covered supreme
Material mouth 4.
Step 2: temperature controllable burner starts high fire function automatically, alloy material is heated.
Step 3: the hot fume that fuel combustion generates along beam type oven shaft short transverse, penetrates alloy from the bottom to top
The bed of material enters ring-like air heat exchanger 15 and carries out waste heat recycling, further increases the utilization rate of the energy, out ring-like air heat exchanger
15 flue gas is discharged through fume extractor 16.
Step 4: starting discharging control valve 10 after alloy material heats, hot alloy material enters molten steel through discharge chute 8
Tank feeding port 9
Step 5: temperature controllable burner starts small fire function automatically, a baking cycle is completed.
For several layerings of arrangement through the inverted V type level of shaft every beam 14, each falls V in the utility model alloy baking stove
Type level is disposed with a temperature controllable burner at 14 lower port of beam, makes the alloy material entered in oven due to the skeleton every beam
Effect, increases the gas permeability between alloy material, and can enter flame and hot fume inside alloy material heap to alloy material different layers
Face is heated, and being heated evenly property of alloy material can be greatlyd improve, and keeps the utilization of the energy more abundant.A whole set of baking system is new
Grain husk, efficient, energy-saving and environmental protection, occupied area are small, easy to operate, can preferably meet field condition and process for making to ferroalloy
The target call of online baking temperature.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (8)
1. a kind of alloy material toasts furnace system, which is characterized in that including feeding device, oven, burner, air heat exchanger,
Device for discharging and fume extractor；The oven includes top shaft, lower part shaft and multiple every beam, every beam be inverted V type, every
Beam layering level is fixed in inside shaft, and runs through shaft, is each equipped with a burner every Liang Xiaduankouchu；Feeding dress
It sets and is mounted on above oven, air heat exchanger is mounted on outside the shaft of beam type oven top, fume extractor and air heat-exchange
Device is connected, and device for discharging is mounted on beam type baking furnace bottom.
2. a kind of alloy material according to claim 1 toasts furnace system, which is characterized in that the feeding device includes hanging
Vehicle, material feeding jar, material feeding jar pull rod, feeding port and feeding lid；Material feeding jar pull rod is mounted on material feeding jar, and material feeding jar is by crane
Handling；Feeding port is fixed at the top of oven, and feeding lid is covered on feeding port.
3. a kind of alloy material according to claim 1 toasts furnace system, which is characterized in that the upper furnace is as cylinder
Type, lower furnace is as partially tapered；The furnace wall of the top shaft is three-decker, and outer layer is steel plate, and middle layer is refractory fibre,
Internal layer is ramming mass, and lower furnace is as cast member.
4. a kind of alloy material according to claim 1 toasts furnace system, which is characterized in that the multiple affixed every beam layering
Inside the shaft of top and inside the shaft of lower part, the inverted V type level through top shaft is every beam and the inverted V type for running through lower part shaft
Level is every beam in 90 ° of arrangements.
5. a kind of alloy material according to claim 1 toasts furnace system, which is characterized in that described to use ferroalloy material every beam
Material makes, and the angle between two V-type blades is 90~120 °.
6. a kind of alloy material according to claim 1 toasts furnace system, which is characterized in that the burner is temperature controllable combustion
Burner is equipped with automatic ignitor and flame monitor.
7. a kind of alloy material according to claim 1 toasts furnace system, which is characterized in that the air heat exchanger is ring-like
Structure, is looped around beam type oven top shaft, the upper edge of air heat exchanger with upper furnace along it is horizontal simultaneously.
8. a kind of alloy material according to claim 1 toasts furnace system, which is characterized in that the device for discharging includes discharging
Control valve, discharge chute and ladle feeding port, discharging control valve are mounted on lower part shaft bottom, and ladle feeding port is located at
Below oven, oven is connected by discharge chute with ladle feeding port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821272762.7U CN208795009U (en) | 2018-08-08 | 2018-08-08 | A kind of alloy material baking furnace system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821272762.7U CN208795009U (en) | 2018-08-08 | 2018-08-08 | A kind of alloy material baking furnace system |
Publications (1)
| Publication Number | Publication Date |
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| CN208795009U true CN208795009U (en) | 2019-04-26 |
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ID=66204918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821272762.7U Active CN208795009U (en) | 2018-08-08 | 2018-08-08 | A kind of alloy material baking furnace system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111560490A (en) * | 2020-05-12 | 2020-08-21 | 首钢集团有限公司 | Alloy baking material and baking method and application thereof |
-
2018
- 2018-08-08 CN CN201821272762.7U patent/CN208795009U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111560490A (en) * | 2020-05-12 | 2020-08-21 | 首钢集团有限公司 | Alloy baking material and baking method and application thereof |
| CN111560490B (en) * | 2020-05-12 | 2021-10-26 | 首钢集团有限公司 | Alloy baking material and baking method and application thereof |
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