CN209685840U - A kind of mixed iron blast and its tapping slag iron separation device - Google Patents
A kind of mixed iron blast and its tapping slag iron separation device Download PDFInfo
- Publication number
- CN209685840U CN209685840U CN201920458838.3U CN201920458838U CN209685840U CN 209685840 U CN209685840 U CN 209685840U CN 201920458838 U CN201920458838 U CN 201920458838U CN 209685840 U CN209685840 U CN 209685840U
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- Prior art keywords
- iron
- tapping
- blast
- mixed
- slag
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 370
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 185
- 238000010079 rubber tapping Methods 0.000 title claims abstract description 93
- 239000002893 slag Substances 0.000 title claims abstract description 78
- 238000000926 separation method Methods 0.000 title claims abstract description 47
- 239000007921 spray Substances 0.000 claims description 7
- 241000486406 Trachea Species 0.000 claims description 6
- 210000003437 trachea Anatomy 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 17
- 238000010586 diagram Methods 0.000 description 6
- 238000003723 Smelting Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000009628 steelmaking Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Inorganic materials [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Blast Furnaces (AREA)
Abstract
The utility model discloses a kind of mixed iron blast and its tapping slag iron separation devices, tracheae including being fixed on edge on mixed iron blast tapping hole, the inner end of the tracheae is located in the mixed iron blast, outer end extends to outside the mixed iron blast, and the inner end of the tracheae is connected with injector, outer end is circumscribed with gas source, the molten iron interface when spout of the injector is towards tapping in the mixed iron blast.Mixed iron blast and its tapping slag iron separation device are provided using the utility model, the gas of authorized pressure can be put into tapping hole slag iron interface before mixed iron blast tapping, form air curtain barricade wall, utilize gas pressure by molten iron slag iron separation, and molten iron slag is stayed in mixed iron blast, the molten iron band quantity of slag is reduced, converter metallurgical effect is promoted.The present apparatus is only used in tapping, and investment gas flow is small, on molten iron temperature and the operation of mixed iron blast tapping without influence.Slag iron analytical effect is good when tapping, and the molten iron band quantity of slag reduces obvious.And the device makes simple, easy to use, strong operability.
Description
Technical field
The utility model relates to metallurgical production converter technical fields, more specifically to a kind of mixed iron blast and its tapping
Slag iron separation device.
Background technique
Mixed iron blast is the steel-making ancillary equipment between blast furnace and converter, it be mainly used for adjusting and balanced blast furnace and converter it
Between molten iron supply and demand, guarantee incessantly supply converter need molten iron, molten iron store and mix in mixed iron blast molten iron composition and
Uniform temperature, it is highly beneficial to pneumatic steelmaking.
However, molten iron enters stokehold without removing at present since molten iron pretreatment slag skimming effect is poor, the molten iron band quantity of slag is big in mixed iron blast
Slag device causes big into the converter molten iron band quantity of slag.Due to S, P and SiO in molten iron slag2Content is high, auxiliary material when leading to converter smelting
Additional amount is big, and the converter quantity of slag is big, process overflow the quantity of slag it is big, dephosphorization rate is low, on smelting cost reduce and product quality promoted influence compared with
Greatly.
Smelting cost reduction and product quality are promoted greatly into the converter molten iron band quantity of slag in conclusion how to efficiently solve
The problems such as adversely affecting is current those skilled in the art's problem to be solved.
Utility model content
In view of this, first of the utility model is designed to provide a kind of tapping slag iron separation device of mixed iron blast,
The tapping slag iron separation device structure design can efficiently solve into converter molten iron band the quantity of slag greatly to smelting cost reduce and
The problem of product quality promotion adversely affects, it includes above-mentioned scum out that second purpose of the utility model, which is to provide a kind of,
The mixed iron blast of iron separator.
In order to reach above-mentioned first purpose, the utility model is provided the following technical solutions:
A kind of tapping slag iron separation device of mixed iron blast, the tracheae including being fixed on edge on mixed iron blast tapping hole, the gas
The inner end of pipe is located in the mixed iron blast, and outer end extends to outside the mixed iron blast, and the inner end of the tracheae is connected with injector,
Outer end is circumscribed with gas source, the molten iron interface when spout of the injector is towards tapping in the mixed iron blast.
Preferably, in the tapping slag iron separation device of above-mentioned mixed iron blast, the center line of the spout to the mixed iron blast zero
The angle at molten iron interface is not more than 90 degree when position.
Preferably, in the tapping slag iron separation device of above-mentioned mixed iron blast, the gas pressure range that the spout sprays is
0.8MPa-0.9MPa。
Preferably, in the tapping slag iron separation device of above-mentioned mixed iron blast, the tracheae is on the mixed iron blast tapping hole
Edge.
Preferably, it in the tapping slag iron separation device of above-mentioned mixed iron blast, is set side by side in the width direction of the tapping hole
Multiple tracheaes are equipped with, the inner end of each tracheae is connected separately with the injector, and the spout of the injector is equal
Row.
Preferably, in the tapping slag iron separation device of above-mentioned mixed iron blast, along the front-rear direction of the tapping hole be provided with to
Few two rows of tracheaes.
Preferably, right before and after the injector of the adjacent two rows tracheae in the tapping slag iron separation device of above-mentioned mixed iron blast
Neat setting.
Preferably, in the tapping slag iron separation device of above-mentioned mixed iron blast, it is each that each tracheae is separately provided for control
The control switch being opened and closed from pipeline.
The tapping slag iron separation device of mixed iron blast provided by the utility model, including tracheae and injector.Wherein, tracheae is solid
Due to edge on mixed iron blast tapping hole, inner end is located in mixed iron blast, and outer end extends to outside mixed iron blast.Injector is connected to tracheae
Inner end, molten iron interface when spout is towards tapping in mixed iron blast.The outer end of tracheae is circumscribed with gas source.
Using tapping slag iron separation device provided by the utility model, by mixed iron blast tapping hole along installation tracheae,
The injector of tracheae external gas source, tracheae inner end is capable of providing the gas of certain pressure.To be provided before mixed iron blast tapping
The gas of pressure puts into tapping hole slag iron interface, forms air curtain barricade wall, i.e., using gas pressure by molten iron slag iron separation, and will
Scum stays in mixed iron blast, reduces the molten iron band quantity of slag, promotes converter metallurgical effect.The present apparatus is only used in tapping, and is thrown
It is small to enter gas flow, on molten iron temperature and the operation of mixed iron blast tapping without influence.Slag iron analytical effect is good when tapping, and the molten iron band quantity of slag drops
It is low obvious.And the device makes simple, easy to use, strong operability.
In order to reach above-mentioned second purpose, the utility model additionally provides a kind of mixed iron blast, which includes above-mentioned
Any tapping slag iron separation device.Since above-mentioned tapping slag iron separation device has above-mentioned technique effect, there is the tapping
The mixed iron blast of slag iron separation device should also have corresponding technical effect.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the half-sectional structural representation of the tapping slag iron separation device installation condition of one specific embodiment of the utility model
Figure；
Fig. 2 is the half section structure diagram of other direction；
Fig. 3 is the partial enlargement diagram at the position A in Fig. 1；
Tapping slag iron separation device operation principle schematic diagram when Fig. 4 is tapping.
It is marked in attached drawing as follows:
Tracheae 1, molten iron slag 2, molten iron 3, injector 4.
Specific embodiment
The utility model embodiment discloses a kind of mixed iron blast and its tapping slag iron separation device, to reduce molten iron band slag
Amount promotes converter metallurgical effect.
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-Fig. 4 is please referred to, Fig. 1 is the tapping slag iron separation device installation condition of one specific embodiment of the utility model
Half section structure diagram；Fig. 2 is the half section structure diagram of other direction；Fig. 3 is the partial enlargement signal at the position A in Fig. 1
Figure；Tapping slag iron separation device operation principle schematic diagram when Fig. 4 is tapping.
In a specific embodiment, the tapping slag iron separation device of mixed iron blast provided by the utility model, including tracheae 1
With injector 4.
Wherein, tracheae 1 is fixed on edge on mixed iron blast tapping hole, and inner end is located in mixed iron blast, and outer end extends to mixed iron blast
Outside.Namely external air source is introduced in mixed iron blast by tracheae 1, and by the way that tracheae 1 is fixed on edge on tapping hole, convenient for spray
The setting of emitter 4, so that the gas sprayed is towards 3 interface of molten iron.Specific fixed form can be used in the prior art it is conventional as
Be threadedly coupled, be clamped, be embedded in etc., it is not specifically limited herein.
The inner end of tracheae 1 connects injector 4, and the outer end of tracheae 1 is circumscribed with gas source.The control that can be specifically carried by gas source
4 jet of switch control injector processed or stopping, can also be by being arranged control switch in tracheae 1 to control jet or stopping.
3 interface of molten iron when spout is towards tapping in mixed iron blast.
Injector 4 is specifically as follows the gas injection apparatus of the routine such as nozzle, and structure and working principle etc. please refers to existing
There is technology, details are not described herein again.Preferably, using the injector 4 of straight waterfall formula.According to different mixed iron blast tapping hole sizes and tapping
Speed can accordingly select the injector 4 of different size, to provide the gas for being adapted pressure, so that slag iron separation when tapping, iron
Grain slag 2 stays in mixed iron blast.
Using tapping slag iron separation device provided by the utility model, by mixed iron blast tapping hole along installation tracheae 1,
1 external gas source of tracheae, the injector 4 of inner end are capable of providing the gas of certain pressure.To can be advised before mixed iron blast tapping
The gas of constant-pressure puts into tapping hole slag iron interface, forms air curtain barricade wall, i.e., is separated 2 iron of molten iron slag using gas pressure,
And stay in molten iron slag 2 in mixed iron blast, molten iron 3 is reduced with the quantity of slag, promotes converter metallurgical effect.The present apparatus only makes in tapping
With, and investment gas flow is small, on 3 temperature of molten iron and the operation of mixed iron blast tapping without influence.Slag iron analytical effect is good when tapping, iron
Water 3 reduces obvious with the quantity of slag.And the device makes simple, easy to use, strong operability.
Specifically, the angle at 3 interface of molten iron is not more than 90 degree when the center line of spout is to mixed iron blast zero-bit.It needs to illustrate
It is that the angle at 3 interface of molten iron refers to the center line of spout to the side far from tapping hole when the center line of spout is to mixed iron blast zero-bit
Rotate to the angle that Shi Suozhuan is overlapped with 3 interface of molten iron, that is, in Fig. 1 spout center line according to rotate counterclockwise with
The angle of 3 interface of molten iron coincidence Shi Suozhuan.Specifically, injector 4 can be set to 4 spout of injector when mixed iron blast zero-bit
Central axis is in the center line and 3 interface angle initialization of molten iron at 3 interface of molten iron in mixed iron blast, that is, 4 spout of injector
For in 90 °.By setting above-mentioned angle to no more than 90 degree, then when mixed iron blast topples over tapping, spout sprays the gas to be formed
Curtain is directed towards on the inside of tapping hole, is facilitated scum towards blowing in mixed iron blast, preferably to be kept off in tapping hole air cavity,
Reach slag iron separation effect.
Specifically, the gas pressure range that spout sprays is 0.8MPa-0.9MPa.Preferably, the gas pressure that spout sprays
Power is set as 0.82MPa.By the way that gas pressure control within the above range, can be guaranteed the barrier effect to scum, in turn
Guarantee slag iron separation effect.
On the basis of the various embodiments described above, being arranged side by side in the width direction of tapping hole has multiple tracheaes 1, each tracheae
1 inner end is connected separately with injector 4, and the spout of injector 4 is parallel.Namely it is arranged side by side by multiple injectors 4,
The gas phase for spraying it respectively cooperatively forms air curtain wall, by the gear of molten iron slag 2 in tapping hole air cavity, reaches slag iron separation effect
Fruit.The quantity of specific injector 4 can be accordingly arranged according to tapping hole width, and the spacing between adjacent injectors 4 can be according to spout
Width and the air range accordingly sprayed determine, it is preferred that the spacing between adjacent injectors 4, which meets the air curtain wall to be formed, to be covered
Cover entire tapping hole width.It certainly, can also be only in the case where the air curtain wall that individually spray emperorship is formed can stop scum
One injector 4 is set.
Further, the front-rear direction of tapping hole is provided at least two exhaust pipes 1.It should be noted that tapping hole
Front-rear direction, that is, molten iron 3 has interior to the direction of outer outflow.By the way that multiple rows of tracheae 1 is arranged in the longitudinal direction, multiple rows of tracheae 1 is distinguished
The injector 4 of connection is also in multiple rows of distribution, and multiple rows of 4 collective effect of injector can form multiple tracks air curtain wall, preferably to play resistance
The effect of buting iron slag.Specifically, the injector 4 of adjacent two exhaust pipe 1 can front and back alignment setting or the setting that is staggered.It is preferred that
, the injector 4 of adjacent two exhaust pipe 1 can front and back alignment setting, interfere with each other before and after the air curtain that injector 4 is formed smaller.
In the above-mentioned each embodiment for being provided with multiple tracheaes 1, each tracheae 1, which is separately provided for controlling respective pipeline, to be opened
The control switch closed.Namely each injector 4, which respectively corresponds, is provided with control switch, individually to carry out the control of start and stop.Respectively
A individually control of injector 4, then can adjust 4 numbers of injector of unlatching, accordingly according to factors such as tapping speed with more preferable
Realization slag iron separation, molten iron slag 2 stays in mixed iron blast.Certainly, as needed, each tracheae 1 can also be uniformly controlled, such as each
Tracheae 1 is connect with same external gas source, and is controlled by the control switch that the gas source carries.
For the ease of the automatic control switched to tracheae 1, independent control system can be installed, control switch and control are
System electrical connection.Control system can be specifically placed in tapping steel room.By the automatic control of control system, in tapping,
It opens gas source control switch and gas source is ejected into molten iron 3 and scum surface, form air curtain barricade wall, molten iron slag 2 is kept off in tapping hole
In air cavity, reach slag iron separation effect.Tapping finishes closing gas control switch.
The tapping slag iron separation device provided in based on the above embodiment, the utility model additionally provide a kind of mixed iron blast,
The mixed iron blast includes any one tapping slag iron separation device in above-described embodiment.Since the mixed iron blast uses above-described embodiment
In tapping slag iron separation device, so the beneficial effect of the mixed iron blast please refers to above-described embodiment.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (9)
1. a kind of tapping slag iron separation device of mixed iron blast, which is characterized in that the gas including being fixed on edge on mixed iron blast tapping hole
Pipe, the inner end of the tracheae are located in the mixed iron blast, and outer end extends to outside the mixed iron blast, and the inner end connection of the tracheae
There is an injector, outer end is circumscribed with gas source, the molten iron interface when spout of the injector is towards tapping in the mixed iron blast.
2. the tapping slag iron separation device of mixed iron blast according to claim 1, which is characterized in that the center line of the spout
The angle at molten iron interface is not more than 90 degree when to the mixed iron blast zero-bit.
3. the tapping slag iron separation device of mixed iron blast according to claim 1, which is characterized in that the gas that the spout sprays
Body pressure limit is 0.8MPa-0.9MPa.
4. the tapping slag iron separation device of mixed iron blast according to claim 1, which is characterized in that the tracheae is embedded in described
Edge on mixed iron blast tapping hole.
5. the tapping slag iron separation device of mixed iron blast according to any one of claims 1-4, which is characterized in that along described
Being arranged side by side in the width direction of tapping hole has multiple tracheaes, and the inner end of each tracheae is connected separately with the injection
Device, and the spout of the injector is parallel.
6. the tapping slag iron separation device of mixed iron blast according to claim 5, which is characterized in that before the tapping hole
Rear direction is provided at least two rows of tracheaes.
7. the tapping slag iron separation device of mixed iron blast according to claim 6, which is characterized in that the adjacent two rows tracheae
Injector before and after alignment setting.
8. the tapping slag iron separation device of mixed iron blast according to claim 5, which is characterized in that each tracheae is set respectively
It is equipped with the control switch for controlling respective pipeline opening and closing.
9. a kind of mixed iron blast, which is characterized in that including the described in any item tapping slag iron separation devices of such as claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920458838.3U CN209685840U (en) | 2019-04-04 | 2019-04-04 | A kind of mixed iron blast and its tapping slag iron separation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920458838.3U CN209685840U (en) | 2019-04-04 | 2019-04-04 | A kind of mixed iron blast and its tapping slag iron separation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209685840U true CN209685840U (en) | 2019-11-26 |
Family
ID=68607288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920458838.3U Expired - Fee Related CN209685840U (en) | 2019-04-04 | 2019-04-04 | A kind of mixed iron blast and its tapping slag iron separation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209685840U (en) |
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2019
- 2019-04-04 CN CN201920458838.3U patent/CN209685840U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191126 |