CN207596925U - Filter method Slag treatment device in a kind of mineral hot furnace ferroalloy bottom - Google Patents
Filter method Slag treatment device in a kind of mineral hot furnace ferroalloy bottom Download PDFInfo
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- CN207596925U CN207596925U CN201721791840.XU CN201721791840U CN207596925U CN 207596925 U CN207596925 U CN 207596925U CN 201721791840 U CN201721791840 U CN 201721791840U CN 207596925 U CN207596925 U CN 207596925U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
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Abstract
The utility model discloses a kind of mineral hot furnace ferroalloy bottoms to filter method Slag treatment device, belongs to mineral hot furnace technical field of iron alloy.The utility model includes slag ladle, slag ditch, Punched box, water slag groove, tempering tower, tempering tower outlet device, vapour-recovery unit, filtering ponds, screen pipe, Slag treatment pumping plant and Slag treatment pond, Punched box is fixed under the slag ditch end, the water slag groove is connected to Punched box one end, and the water slag groove end connects tempering tower.Mineral hot furnace ferroalloy slag, into after grain slag, is further cooled down by Punched box punching through water slag groove in tempering tower, carries out pulp water separation in filtering ponds, the water after separation is recycled by pump working.The utility model changes the drawbacks of traditional mineral hot furnace Slag treatment sedimentation basin bubble Slag treatment method, detaches pulp water more thorough, slag wool amount is few, greatly reduces discharge of steam amount.
Description
Technical field
The utility model is related to mineral hot furnace technical field of iron alloy, more particularly to a kind of mineral hot furnace ferroalloy bottom
Filter method Slag treatment device.
Background technology
At present, in mineral hot furnace ferroalloy production technology, traditional ferroalloy slag processing unit is relatively simple, basic to use
Sedimentation basin bubble pulp water quenching device processing, minority are handled using mechanical filter method.It is utilized although mineral hot furnace ferroalloy slag is able to processing,
But it has the following disadvantages：Bubble slag method blows out phenomenon, and there are security risks；Pulp water separation is not thorough, and moisture content is high in slag；Easily
Generate a large amount of slag wool and steam polluting environment；Operation expense is higher.
China Patent Publication No.：CN201193229Y, publication date：On 2 11st, 2009, disclose a kind of environment-friendly type bottom filter
Method blast furnace slag treatment device, describes blast-furnace slag bottom filter method processing unit, which includes grain slag and be granulated pond, the grain slag
It is granulated pond and includes granulation pond inlet device and granulation pond outlet device, pelletizer is installed on the granulation pond inlet device, institute
It states and granulation pond condensing spraying device is provided in grain slag granulation pond, the granulation pond outlet device connection filtering ponds, the filtering
Pond downstream pumps one cooling tower of connection by upper tower.Since mineral hot furnace ferroalloy slag has compared to blast furnace slag the viscosity of bigger, more
High temperature, the equipment are only applied in blast furnace residues processing technique, and application is had no in mineral hot furnace ferroalloy slag treatment process, should
Device is equipped with cooling tower, granulation tower, inlet device, filtering ponds, and construction investment is costly, and operation expense is higher, and the dress
Put improvement effect unobvious of the filtering ponds for moisture content in slag, when grain slag grabs slag there are the problem of also do not make to improve.
Utility model content
Utility model technical problems to be solved
It is more single for current mineral hot furnace ferroalloy slag processing unit and processing method, it is also easy to produce a large amount of slags when handling slag
Cotton, moisture content is high in slag, and quantity of steam is big, is unfavorable for energy-saving and emission-reduction, and operation expense is high, and labor intensity is big, builds and throws
Rate with it is high the problems such as, the utility model provides a kind of mineral hot furnace ferroalloy bottom filter method Slag treatment device.It is closed by analyzing iron
The ingredient of golden slag and granulation performance indicator, the existing blast furnace ironmaking Slag treatment equipment of optimization design, reduce the generation of slag wool, subtract
Lack the generation of quantity of steam, reduced moisture content in slag, while met energy-saving, emission-reducing, environment friendly requirement, reduced investment outlay, reduction operation,
Maintenance cost utmostly meets mineral hot furnace ferroalloy slag Processing Equipment production run demand.
Technical solution
In order to achieve the above objectives, technical solution provided by the utility model is：
Method Slag treatment device is filtered at a kind of mineral hot furnace ferroalloy bottom, is steamed including slag ladle, slag ditch, Punched box, water slag groove, outlet
Recovery device for steam, filtering ponds, screen pipe, Slag treatment pumping plant and Slag treatment pond further include tempering tower, tempering tower outlet device,
The tempering tower is connected with one end of water slag groove, and the other end of the water slag groove is connect with Punched box, and the Punched box is mounted on
The bottom of slag ditch one end, the slag ladle are connected with the slag ditch other end, and the tempering tower side is provided with tempering tower outlet device,
The tempering tower outlet device is connect with filtering ponds, and the filtering ponds bottom is provided with screen pipe, the screen pipe and Slag treatment
Pumping plant connects, the Slag treatment pumping plant connection Slag treatment pond.Mineral hot furnace ferroalloy slag, into after grain slag, is led to by Punched box punching
It crosses water slag groove to flow into tempering tower, further be cooled down in tempering tower, water quenching granulating.
Further, the outlet vapor retracting device is arranged on tempering tower outlet device end, for slag-water slurry
The recycling of steam when buffered tower is discharged into filtering ponds.
Further, the Slag treatment pond is arranged to closed, reduces the evaporating loss of moisture in Slag treatment pond, prevents
Only exogenous impurity falls into pond.
Further, range hydraulic pressure of the Punched box in flushing cinder is 0.2~0.25MPa, can break up slag stream, described
The gradient of water slag groove is not less than 6%, and slag-water slurry is enable to more readily flow into tempering tower, prevents slag runner from blocking.
Further, cobblestone filtering layer is equipped in the filtering ponds, the cobblestone filtering layer is by cobblestone of different sizes
Layered arrangement, the thickness of the cobblestone filtering layer is 1~2m, and the size of the cobblestone is 2~25mm, is ensured in filtering ponds
Washing slag water excludes and ensure that filter effect in time.
Further, it is provided with I-steel fender bracket around the cobblestone filtering layer, it is adjacent in the I-steel fender bracket
The spacing distance of two I-steel is less than grain slag grab bucket and each props up the width grabbed, and avoids grain slag grab bucket and the contact of cobblestone filtering layer, protects
Protect the cobblestone in filtering layer.
The utility model device workflow is：For mineral hot furnace ferroalloy slag after ladle slag sluicing system, slag passes through slag
Tank is overflowed in slag ditch, and the slag that slag ditch is flowed into water slag groove is crushed by the high-velocity flow sprayed from Punched box, water quenching granulating,
Slag-water slurry, which is flowed into through water slag groove in tempering tower, to be continued to cool down, and the slag-water slurry in tempering tower is flowed directly into through outlet device
Into filtering ponds, the water in filtering ponds is filtered by screen pipe, is transported in Slag treatment pond by water pump, the water in pond leads to
It crosses water pump and is transported to Punched box flushing cinder and recycle, vapour-recovery unit is set at tempering tower outlet device, reduce the outer of steam
It arranges, the grain slag in filtering ponds is caught by grain slag.
3. advantageous effect
Using technical solution provided by the utility model, compared with prior art, have the advantages that：
(1) the utility model device is compared with traditional mineral hot furnace ferroalloy slag processing unit, and equipped with tempering tower, tempering tower can
It is lost with reducing water from steam shunting, reduces sulphur-containing substance in steam and discharge, the slag in slag-water slurry can be made fully to be granulated；
(2) the utility model device is compared with existing mineral hot furnace ferroalloy slag processing unit, at tempering tower outlet device end
End is equipped with outlet vapor retracting device, can further solve slag-water slurry from the steam during tempering tower inflow filtering ponds
Overflow problem；
(3) compared with existing mineral hot furnace ferroalloy slag processing unit, Slag treatment pond is arranged to seal the utility model device
Enclosed, it is possible to reduce the evaporating loss of moisture in Slag treatment pond prevents exogenous impurity from falling into pond；
(4) the utility model device is compared with existing mineral hot furnace ferroalloy slag processing unit, using 0.20~0.25MPa models
The hydraulic pressure flushing cinder enclosed can make slag reach best granulation effect, while reduce the generation of slag wool, and the gradient can be to prevent not less than 6%
Only slag runner blocks, and ensures slag-water slurry direct motion；
(5) the utility model device, equipped with cobblestone filtering layer, uses compared with existing mineral hot furnace ferroalloy slag processing unit
Different size of cobblestone layered arrangement, can reach good filter effect, will not in filter process without water in filtering ponds
There is steam excessive, moisture content substantially reduces in slag；
(6) the utility model device, equipped with I-steel fender bracket, is adopted compared with existing mineral hot furnace ferroalloy slag processing unit
It is slightly above several I-steel of cobblestone filtering layer with height, makes grain slag grab bucket that can not touch cobblestone filtering layer, filter can be protected
Cobblestone in layer extends the cobblestone filtering layer service life.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the filtering ponds structure diagram of the utility model；
Fig. 3 is the tempering tower sectional view of the utility model.
Label declaration in schematic diagram：1st, slag ladle；2nd, slag ditch；3rd, Punched box；4th, water slag groove；5th, tempering tower；6th, it buffers
Tower outlet device；7th, vapour-recovery unit；8th, filtering ponds；9th, screen pipe；10th, Slag treatment pumping plant；11st, Slag treatment pond；51st, it is cold
Solidifying device；81st, cobblestone filtering layer；82nd, I-steel fender bracket.
Specific embodiment
To further appreciate that the content of the utility model, the utility model is described in detail with reference to attached drawing.
Embodiment 1
As shown in Figure 1, a kind of mineral hot furnace ferroalloy bottom filter method Slag treatment device, including slag ladle 1, slag ditch 2, Punched box 3,
Water slag groove 4, outlet vapor retracting device 7, filtering ponds 8, screen pipe 9, Slag treatment pumping plant 10 and Slag treatment pond 11, further include slow
Tower 5 is rushed, the tempering tower 5 is connected with one end of water slag groove 4, and the other end of the water slag groove 4 is connect with Punched box 3, the punching
Case 3 processed is mounted on the bottom of 2 one end of slag ditch, and the slag ladle 1 is connected with 2 other end of slag ditch, and 5 side of tempering tower is provided with
Tempering tower outlet device 6, the tempering tower outlet device 6 are connect with filtering ponds 8, and 8 bottom of filtering ponds is provided with screen pipe
9, the screen pipe 9 is connect with Slag treatment pumping plant 10, and the Slag treatment pumping plant 10 connects Slag treatment pond 11.Mineral hot furnace ferroalloy
After ladle slag sluicing system, slag is overflowed to by slag ladle 1 in slag ditch 2 slag, and slag ditch 2 flows into the slag quilt in water slag groove 4
The high-velocity flow sprayed from Punched box 3 crushes, water quenching granulating, if slag-water slurry is flowed directly into through water slag groove 4 in filtering ponds 8,
Period can generate to be spilt in the environment of surrounding, and the granulation degree of grain slag not enough cannot directly be grabbed bucket with grain slag outside a large amount of steam
It catches, cooling period also has new ferroalloy slag and flowed out from slag ladle 1, and the grain slag in filtering ponds 8 can be caused cumulative.
In a particular application, the tempering tower 5 is between water slag groove 4 and filtering ponds 8, from top to bottom by chimney, tower body,
Pedestal forms, as shown in figure 3, in chimney lower end equipped with condensing unit 51, condensing unit 51 is sprayed water downwards, the water in cooling steam
Point, while the sulphur-containing substance in steam is absorbed, sulphur-containing substance is prevented to be directly discharged into environment, slag-water slurry is flowed through water slag groove 4
Enter into tempering tower 5, further cooled down in tempering tower 5, water quenching granulating, the steam also condensation recycling in tempering tower 5 of generation,
A part of slag-water slurry can be also stored in tempering tower 5.The tempering tower outlet device 6 is opened in 5 side of tempering tower, uses control valve
The size of tempering tower exit opening is controlled, for adjusting the amount that slag-water slurry in tempering tower 5 flows into filtering ponds 8.The outlet
Vapour-recovery unit 7 is arranged on 6 end of tempering tower outlet device, and vapour-recovery unit 7 is by air draft pipe, pipeline exhaust fan and steaming
Vapour collecting hood forms, and is connected exhaust fan and steam collection hood by air draft pipe, steam collection hood is connected to tempering tower
Outlet device 6, exhaust fan will be pumped steam and be sent directly into tempering tower 5 from Fan pipeline, can prevent slag-water slurry outflow buffering
Steam is directly spilt into environment during tower 5, and Fan pipeline accesses tempering tower 5 in 51 lower position of tempering tower condensing unit, is ensured
Steam after being recycled by vapour-recovery unit 7 is discharged into environment again in tempering tower 5 after condensation, sulphur removal.
Embodiment 2
As shown in Figure 1, a kind of mineral hot furnace ferroalloy bottom filter method Slag treatment device, makees further on the basis of embodiment 1
Improvement, range hydraulic pressure of the Punched box 3 in flushing cinder be 0.20~0.25MPa.Hydraulic pressure during blast furnace slag punching is generally
0.12~0.15MPa, but mineral hot furnace ferroalloy slag viscosity is more than blast furnace slag and temperature is higher than blast furnace slag, it is therefore desirable to it redefines
Suitable range hydraulic pressure.0.20~0.25MPa of water outlet pressure is adjusted so as to as most suitable pressure limit by test of many times, is less than
0.20MPa, Fe alloy slag can not be granulated, it is impossible to which rapid cooling, higher than 0.25MPa, when flushing cinder is also easy to produce slag wool, easily blocks filtering
Pond 8, in practical application, hydraulic pressure is best for the granulation effect of slag when being 0.23MPa, while slag wool yield is also minimum.
The gradient of the water slag groove 4 is not less than 6%, and the gradient is less than 6% direct motion for being unfavorable for grain slag mixture, is easily blocked in
On water slag groove 4, while in order to ensure not generate steam during flushing cinder, cover board is set above water slag groove 4.
Embodiment 3
As shown in Figure 1, a kind of mineral hot furnace ferroalloy bottom filter method Slag treatment device, makees further on the basis of embodiment 1
Improvement, as shown in Fig. 2, being provided with cobblestone filtering layer 81 in the filtering ponds 8, the cobblestone filtering layer 81 is by of different sizes
Cobblestone layered arrangement, the thickness of the cobblestone filtering layer 81 is 1~2m, and the size of the cobblestone is 2~25mm.Specific cloth
Mode is put as the ascending layered arrangement of cobblestone average diameter from top to bottom, the cobblestone of 2~4mm of diameter is one layer, 4~
The cobblestone of 8mm is one layer, and the cobblestone of 8~16mm is one layer, and the cobblestone of 16~25mm is one layer, by repeatedly testing,
The overall thickness of cobblestone filtering layer 81 effect in 1~2m is preferable, and when thickness of filter bed is less than 1m, the impurities in water after filtering is more,
Filter effect is bad, and when thickness of filter bed is more than 2m, filtering layer water yield reduces, and ponding increase is had in filtering ponds 8, wherein, diameter 2
~4mm cobblestones thickness of filter bed be 500mm, diameter 4~8mm cobblestones thickness of filter bed be 100mm, diameter 8~16mm cobblestones
Thickness of filter bed is 100mm, and diameter 16~25mm cobblestones thickness of filter bed is 800mm, when overall thickness is 1.5m, is optimal effect
I.e. filter effect is best, and the impurities in water after filtering is seldom, will not generate a large amount of when filtering without water, filtering ponds 8 in filtering ponds 8
Steam, the slag moisture content after filtering are less than 10%.
Embodiment 4
As shown in Figure 1, a kind of mineral hot furnace ferroalloy bottom filter method Slag treatment device, makees further on the basis of embodiment 3
Improvement, as shown in Fig. 2, be provided with I-steel fender bracket 82 around the cobblestone filtering layer, the I-steel fender bracket 82 by
The I-steel of several height slightly above cobblestone filtering layer 81 horizontal positioned composition, I-steel fender bracket in filtering ponds 8
The spacing distance of adjacent two I-steel each props up the width grabbed, the I-shaped of the I-steel fender bracket 82 less than grain slag grab bucket in 82
Steel placement direction is consistent with the opening and closing direction that grain slag is grabbed bucket.Since in mineral hot furnace ferroalloy slag processing system, the overwhelming majority uses
To be two-jaw grab, so by the I-steel placement direction of I-steel fender bracket 82 and grain slag grab bucket opening and closing direction one
It causes, while ensures each width for propping up and grabbing that is smaller than grabbing bucket of adjacent two I-steel, can prevent grain slag grab bucket from being grabbed when grabbing slag
To cobblestone filtering layer 81, cobblestone filtering layer 81 is protected, increases the service life of cobblestone filtering layer 81.
Schematically the present invention and embodiments thereof are described above, this describes no restricted, institute in attached drawing
What is shown is also one of embodiments of the present invention, and practical structure is not limited thereto.So if common skill of this field
Art personnel are enlightened by it, without departing from the spirit of the invention, are not inventively designed and the technical solution
Similar frame mode and embodiment, are within the scope of protection of the invention.
Claims (9)
1. method Slag treatment device is filtered at a kind of mineral hot furnace ferroalloy bottom, including slag ladle (1), slag ditch (2), Punched box (3), water slag groove
(4), filtering ponds (8), screen pipe (9), Slag treatment pumping plant (10) and Slag treatment pond (11), it is characterised in that：Further include buffering
Tower (5) and tempering tower outlet device (6), the tempering tower (5) connect with one end of water slag groove (4), the water slag groove (4) it is another
One end is connect with Punched box (3), and the Punched box (3) is mounted on the bottom of slag ditch (2) one end, the slag ladle (1) and slag
Ditch (2) other end connects, and tempering tower (5) side is provided with tempering tower outlet device (6), the tempering tower outlet device (6)
It is connect with filtering ponds (8), filtering ponds (8) bottom is provided with screen pipe (9), the screen pipe (9) and Slag treatment pumping plant
(10) it connects, the Slag treatment pumping plant (10) connects Slag treatment pond (11).
2. a kind of mineral hot furnace ferroalloy bottom filter method Slag treatment device according to claim 1, it is characterised in that：It further includes out
Mouth vapour-recovery unit (7), the outlet vapor retracting device (7) are arranged on tempering tower outlet device (6) end.
3. a kind of mineral hot furnace ferroalloy bottom filter method Slag treatment device according to claim 1, it is characterised in that：At the slag
Reason pond (11) is arranged to closed.
4. a kind of mineral hot furnace ferroalloy bottom filter method Slag treatment device according to claim 1, it is characterised in that：The punching
Range hydraulic pressure of the case (3) in flushing cinder is 0.20~0.25MPa, and the gradient of the water slag groove (4) is not less than 6%.
5. a kind of mineral hot furnace ferroalloy bottom filter method Slag treatment device, feature exist according to any one of claims 1-4
In：The filtering ponds (8) are inner to be equipped with cobblestone filtering layer (81).
6. a kind of mineral hot furnace ferroalloy bottom filter method Slag treatment device according to claim 5, it is characterised in that：The goose ovum
Stone filtering layer (81) is by cobblestone layered arrangement of different sizes, and the thickness of the cobblestone filtering layer (81) is 1~2m, the goose ovum
The size of stone is 2~25mm.
7. a kind of mineral hot furnace ferroalloy bottom filter method Slag treatment device according to claim 5, it is characterised in that：The goose ovum
I-steel fender bracket (82) is provided with around stone filtering layer (81).
8. a kind of mineral hot furnace ferroalloy bottom filter method Slag treatment device according to claim 7, it is characterised in that：The I-shaped
Steel fender bracket (82) is slightly above the I-steel of cobblestone filtering layer (81) horizontal positioned group in filtering ponds (8) by several height
Into the spacing distance of adjacent two I-steel each props up the width grabbed less than grain slag grab bucket in the I-steel fender bracket (82).
9. a kind of mineral hot furnace ferroalloy bottom filter method Slag treatment device according to claim 7, it is characterised in that：The I-shaped
The I-steel placement direction of steel fender bracket (82) is consistent with the opening and closing direction that grain slag is grabbed bucket.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721791840.XU CN207596925U (en) | 2017-12-20 | 2017-12-20 | Filter method Slag treatment device in a kind of mineral hot furnace ferroalloy bottom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721791840.XU CN207596925U (en) | 2017-12-20 | 2017-12-20 | Filter method Slag treatment device in a kind of mineral hot furnace ferroalloy bottom |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108220511A (en) * | 2018-01-17 | 2018-06-29 | 安徽马钢工程技术集团有限公司 | Filter method Slag treatment method in a kind of In The Sub-mergedfurnace of The Ferroalloys bottom |
| CN110423024A (en) * | 2019-08-27 | 2019-11-08 | 付光明 | The processing method and dedicated treatment facility of slag during a kind of blast furnace or mine heat furnace smelting |
| CN112474706A (en) * | 2020-10-28 | 2021-03-12 | 马钢集团设计研究院有限责任公司 | Slag treatment system and method for molten state ash slag |
| CN112619250A (en) * | 2021-01-07 | 2021-04-09 | 戚晓芳 | Metal smelting blast furnace slag bottom filtration method filtration system |
| CN113005246A (en) * | 2021-02-24 | 2021-06-22 | 中冶东方工程技术有限公司 | Slag treatment equipment and slag treatment method |
| CN114606352A (en) * | 2022-03-10 | 2022-06-10 | 中冶赛迪工程技术股份有限公司 | Environment-friendly ironmaking slag treatment system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108220511A (en) * | 2018-01-17 | 2018-06-29 | 安徽马钢工程技术集团有限公司 | Filter method Slag treatment method in a kind of In The Sub-mergedfurnace of The Ferroalloys bottom |
| CN110423024A (en) * | 2019-08-27 | 2019-11-08 | 付光明 | The processing method and dedicated treatment facility of slag during a kind of blast furnace or mine heat furnace smelting |
| CN110423024B (en) * | 2019-08-27 | 2023-05-23 | 付光明 | Treatment method and special treatment equipment for slag in smelting process of blast furnace or submerged arc furnace |
| CN112474706A (en) * | 2020-10-28 | 2021-03-12 | 马钢集团设计研究院有限责任公司 | Slag treatment system and method for molten state ash slag |
| CN112619250A (en) * | 2021-01-07 | 2021-04-09 | 戚晓芳 | Metal smelting blast furnace slag bottom filtration method filtration system |
| CN113005246A (en) * | 2021-02-24 | 2021-06-22 | 中冶东方工程技术有限公司 | Slag treatment equipment and slag treatment method |
| CN114606352A (en) * | 2022-03-10 | 2022-06-10 | 中冶赛迪工程技术股份有限公司 | Environment-friendly ironmaking slag treatment system |
| WO2023168939A1 (en) * | 2022-03-10 | 2023-09-14 | 中冶赛迪工程技术股份有限公司 | Environmentally-friendly ironmaking slag treatment system |
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