CN206052061U - A kind of stainless steel slag slow cooling processing meanss - Google Patents
A kind of stainless steel slag slow cooling processing meanss Download PDFInfo
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- CN206052061U CN206052061U CN201621056690.3U CN201621056690U CN206052061U CN 206052061 U CN206052061 U CN 206052061U CN 201621056690 U CN201621056690 U CN 201621056690U CN 206052061 U CN206052061 U CN 206052061U
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Abstract
This utility model provides a kind of stainless steel slag slow cooling processing meanss, including：Multiple slow cooling units, each slow cooling unit are the structure of the closing formed by coaming plate, slag door and mobile cover, close or open slow cooling unit by controlling slag door；Mobile cover, the mobile cover is arranged on the top of each slow cooling unit translatablely, so that movement covers on working position and waits position to switch over, spray facility, dedusting pipeline are integrated with each movement cover, so as to spraying cooling water and carry out dedusting to the slag dynamic in slow cooling unit, it is different according to pending slag, the mobile cover divides into smelting slag movement cover and slag movement cover more than casting again, smelts slag movement cover and slag movement cover is run according to respective speed parameter respectively more than casting.The utility model can overcome the shortcomings of that the production environment of conventional stainless steel slag nature slow cooling is severe, environmentally friendly high cost, be also directed to stainless steel slag source it is different choose different retarded cooling process, rational technology is efficient.
Description
Technical field
This utility model is related to slag processing field, specifically, is related to a kind of stainless steel slag slow cooling processing meanss.
Background technology
2015, China's rustless steel crude steel yield reached 2156.22 × 104T/a, pre-capita consumption about 16kg, basically reaches
The per capita consuming level of developed country.The quantity of slag (including electric furnace, AOD furnace slag etc.) that 20% is produced according to every production 1t rustless steels is estimated
Calculate, China's stainless steel slag is 431.24 × 10 within 20154t/a。
Tenor about 10% in slag according to statistics.Containing valuable rare heavy metals such as nickel, chromium in stainless steel slag, such as locate
Reason is improper to be likely to result in serious environmental pollution, so reclaiming the metal in stainless steel slag, realizes stainless steel slag resource
Regeneration is the major issue that iron and steel enterprise faces.
Stainless steel slag retarded cooling process be stainless steel slag process the first procedure, the environment protecting of slag slow cooling and point
It is that each enterprises of producing stainless steel is paid close attention to from effect.In stainless steel slag processing procedure, in order to accelerate cooling and slag ladle
Turnaround speed, the method that iron and steel enterprise typically adopts cooling of fetching water, as water can be penetrated into top of the slag crack during fetching water
To inside slag, in the presence of high temperature, water is converted into vapor volumetric expansion, will spray along slag crack, rustless steel
In slag cooling procedure can efflorescence, fly away aerial as vapor sprays air-flow, environmental pollution phenomenon is extremely serious, has a strong impact on
The environment of operation field.
At present, domestic main rustless steel manufacturer is taken according to electroslag in stainless steel slag and the characteristic of AOD furnace slag
Different slag retarded cooling process, is generally divided into the handling process of two kinds of forms：(1) it is artificial to sprinkle water, it is not provided with dust removal installation；(2)
It is artificial to sprinkle water, removing roof dust facility is set.The former can not meet environmental requirement, and production environment is severe；The latter is removed using Wind Volume
Dirt facility, not only increases plant and equipment investment, and improves the cost of production run.Environmental conservation at present and steel mill
The strict demand of production cost, both conventional slag retarded cooling process can not meet production requirement.
The utility model can overcome severe, the environmentally friendly high cost of production environment of conventional stainless steel slag nature slow cooling not
Foot, is also directed to the different retarded cooling process of the different selections in source of stainless steel slag, has higher economic benefit and social benefit.
Utility model content
This utility model provides a kind of stainless steel slag annealing device, so that slag slow cooling cost is reduced, strengthens slow cooling
Dust removing effects.
According to one side of the present utility model, there is provided a kind of stainless steel slag slow cooling processing meanss, including：It is multiple slow
Cold unit, each slow cooling unit are the structure of the closing formed by coaming plate, slag door and mobile cover, are sealed by controlling slag door
Close or open slow cooling unit；Mobile cover, the mobile cover are arranged on the top of each slow cooling unit translatablely so that mobile cover
Switch in working position and wait position, spray facility, dedusting pipeline are integrated with each movement cover such that it is able to slow cooling
Slag dynamic in unit and carries out dedusting at spraying cooling water, different according to pending slag, and the mobile cover is divided into again
Smelt slag and move cover and cast remaining slag movement and cover, smelt slag movement and remaining slag movement cover is covered and cast respectively according to respective speed
Degree parameter operation.
Preferably, smelt slag movement to cover on working position and wait the translational speed switched between position to be 10～15m/min,
Slag movement more than casting covers on working position and waits the translational speed switched between position to be 10m/min.
Preferably, mobile cover is driven to move horizontally using any one mode in motor, elevator or hydraulic pressure.
Preferably for slag slow cooling is smelted, control is smelted slag movement cover and moves to working position, will be equipped with smelting slag
Slag pot tipping slag movement smelted in slow cooling unit, then cover into Mobile state shower water operation, also, in slag pot tipping and
During dynamic shower water, smelt slag movement cover and remain lasting dedusting；After persistently spraying 1 hour, slag stirring is carried out
Operation；After the completion of stirring, continue dynamic shower water 24～36 hours, complete slow cooling.
Preferably for the remaining slag slow cooling of casting, the remaining slag movement cover of control casting moves to working position, will be equipped with casting remaining slag
Slag ladle be placed in slow cooling unit, the dynamic shower water after 8～12 hours into slag ladle, by slag pot tipping in slow cooling unit,
Then slag movement more than casting is covered into Mobile state shower water operation, also, during slag pot tipping and dynamic shower water, casting is remaining
Slag movement cover continues dedusting all the time；Persistently spray stirs operation after 1 hour, to carry out slag；After the completion of stirring, continue dynamic
Shower water 16～24 hours, completes slow cooling.
Preferably, dust-break bar is additionally provided with the slag door.
Description of the drawings
By being described to embodiment with reference to accompanying drawings below, features described above of the present utility model and technological merit will
Become more fully apparent with it is easy to understand.
Fig. 1 is the schematic diagram of the stainless steel slag slow cooling processing meanss for representing that this utility model embodiment is related to；
Fig. 2 is the sectional view of the line A-A cutting along Fig. 1.
Specific embodiment
Below with reference to the accompanying drawings describing the embodiment of stainless steel slag slow cooling processing meanss described in the utility model.This
The those of ordinary skill in field will recognize, in the case of without departing from spirit and scope of the present utility model, can be with respectively
Plant different modes or its combination is modified to described embodiment.Therefore, accompanying drawing and description are inherently illustrative
, rather than for limiting scope of the claims.Additionally, in this manual, accompanying drawing is drawn not in scale, and phase
Same reference represents identical part.
This utility model provides a kind of stainless steel slag slow cooling processing meanss.As shown in Figure 1 and Figure 2, the stainless steel slag delays
Cold treatment device includes multiple slow cooling units in one line, and each slow cooling unit can also be separately located certainly.Wherein, each
Slow cooling unit passes through coaming plate 7 and slag door 6 forms the slow cooling space of all round closure.In order to better seal effect, can
So that dust-break bar 14, such as multiple bar plastic cloth hung down from doorframe are arranged on slag door.Can be with Electronic control slag door 6
Translate to close or open slow cooling unit.Slow cooling unit is again according to function different instructions to smelt steel more than slag slow cooling unit and casting
Slag slow cooling unit, pending slag are to process in each slow cooling unit.Slow cooling unit includes mobile cover, dedusting pipeline
10th, the equipment such as dust removal installation 11, spray facility 13, wherein dust removal installation 11 can be such as wet dedusting facility.Mobile cover can
The top in the space that coaming plate 7 is surrounded is removably mounted within, the slow cooling space of closing is formed.Spray facility 13, dedusting pipeline 10 collect
Into on mobile cover, the dedusting pipeline and wet dedusting facility 11 on each movement cover connects, and the dust of discharge is from 12 row of chimney
Go out.Therefore dual function of the mobile cover with spray and dedusting, is moved horizontally using Motor drive movement cover so that mobile cover can
To switch in working position and wait position, the slag dynamic spraying cooling water in slow cooling unit (is discontinuously sprayed in working position
Drench).But the present embodiment is not limited to the drive form of mobile cover, for example, it is also possible to adopt elevator, hydraulic pressure or other
Form.Herein by the mobile cover smelted on slag slow cooling unit referred to as smelting slag movement cover 5, by casting remaining slag slow cooling unit
Mobile cover referred to as cast more than slag movement cover 8, its structure has no difference, is only the spray time control for spraying facility and mobile cover
The difference such as translational speed.
The process of slow cooling is described in detail with reference to the stainless steel slag slow cooling processing meanss of Fig. 1 and Fig. 2.
As can be seen that A, B, C, D, E5 slow cooling unit is had in figure from Fig. 1 and Fig. 2, wherein, E is that the remaining slag of casting delays
Cold unit.
For the slow cooling for smelting slag is processed, first, the electronic slag door 6 before coaming plate 7 is opened in advance, by the smelting of top
Slag movement cover 5 moves to slag position to be tumbled in advance, also, opens blower fan and the dedusting of wet dedusting facility 11 in advance
Electrodynamic valve on pipeline 10.Then, the multiple tank cars 1 of embracing for filling smelting slag respectively enter A, B, C, D smelting slag slow cooling list
In first, 4 operation of slag ladle of tumbling is carried out smelting in slag slow cooling unit.Consider for further environmental protection, for steel of tumbling
Dust in empty slag ladle after slag is removed thoroughly, prevents armful tank car from taking the dust not removed completely in slow cooling unit out of closed
Dedusting region, causes the secondary pollution in workshop, and after the completion of operation of tumbling, embracing tank car can stop smelting in slag slow cooling unit
Such as 2～4min minutes are outputed again.Embrace after tank car 1 outputs, electronic slag door 6 is closed, and spray facility 13 starts, to smelting slag
Carry out water spray operation.Spray a period of time, such as, after 1 hour, electronic slag door 6 is opened, loader 3 is opened to smelting slag slow cooling
Slag stirring operation is carried out in unit, after the completion of stirring operation, electronic slag door 6 is closed, continuing opening spray facility 13 is carried out
Spray operation.Behind dynamic spray 24h～36 hour, with loader 3 by the slag transport after slow cooling to after-treatment field
Reason.
More than casting, the process of slag and smelting steel slag phase open seemingly, in advance the electronic slag door 6 before coaming plate 7, by the casting of top
Remaining slag movement cover 8 moves to slag position to be tumbled in advance, also, opens the blower fan of wet dedusting facility 11 in advance and remove
Electrodynamic valve on dirt pipeline 10.The tank car 1 of embracing for filling slag more than casting is entered in the remaining slag slow cooling unit E of casting, embraces tank car 1 by slag ladle
4 are placed in the remaining slag slow cooling unit of casting, embrace a tank car 1 and output, and subsequently, electronic slag door 6 is closed, and spray facility 13 starts, and distinguishes
In the slow cooling mode for smelting slag, the slow cooling mode of the remaining slag of casting is slag ladle of first not tumbling, but is positioned over slow cooling list in slag ladle
After in first, spray facility enters Mobile state spray operation to slag more than the casting in slag ladle.One section can be sprayed using portion nozzle only
Time, such as, after 8～12 hours, open electronic slag door 6, embrace a tank car 1 and open to slag slow cooling unit more than casting, carry out embracing a tank,
Tumble slag ladle operation, then embrace tank car 1 and output, close electronic slag door 6, open whole nozzles of spray facility 13, sprayed
Drench operation.Spray a period of time, such as, after 1 hour, electronic slag door 6 is opened, loader 3 is opened to the remaining slag slow cooling unit of casting
Slag stirring operation is carried out, after stirring operation is finished, electronic slag door 6 is closed, continuing opening spray facility 13 carries out spray work
Industry.After 16～24 hours, the slag transport after slow cooling is processed dynamic spray by loader 3 to after-treatment field.Using hanging
Residual steel is selected by the disk that carries of car 2.
Wherein, the present embodiment is not intended to limit the form of tumbling of stainless steel slag, using embrace a tank car, electronic slag pot overturning trolley or
Person's other forms.
Stainless steel slag slow cooling processing meanss of the present utility model take two kinds of processing modes for different slag sources,
Rational technology is efficient；Spray and dust removal installation are integrated with mobile cover, dynamic auto spray are realized, is not required to using original
Manually fetch water mode, post environment significantly improves.Further, it is possible to while carry out dedusting operation, which overcome conventional roof and remove
The power consumption of dirt is big, the shortcoming that dust removing effects are not good, realizes the high-effective dust-removing of post environment.
Additionally, the draining for smelting slag and the remaining slag annealing process generation of casting is drained in sedimentation tank, the door above sedimentation tank
Formula clamshell crane 9 captures tailings to the sediment stockyard closed on and carries out drainage, dries operation, is transported to suitable field after a period of time
Carry out related resource comprehensive utilization, the water of sedimentation tank and water processing establishment connection, Jing are filtered etc. and to process Posterior circle to spraying and be
System, recycles.
The treating capacity for smelting slag will be far longer than casting residue, so what the translational speed of metallurgical slag movement cover can be arranged
Bigger, for example, the translational speed for smelting slag movement cover is 10～15m/min.More than casting, the translational speed of slag movement cover is
10m/min。
The structure of the stainless steel slag slow cooling processing meanss described in detail above, brief description use above-described rustless steel
The method that slag slow cooling processing meanss carry out stainless steel slag slow cooling, the stainless steel slag slow cooling method mainly use slag water
Quench easily cracking, and the characteristic of the easy efflorescence of slow cooling is accelerating slag to cool down.After the completion of stainless steel slag is slagged tap, pour slag ladle into and transport
Stockyard is transported to, the slag ladle for filling hot steel slag is transferred to into cooling zone by an armful tank car then.The stainless steel slag slow cooling method is pressed
It is divided into smelting slag (mainly electroslag, AOD furnace slag) slow cooling method and the remaining slag slow cooling method of casting according to different slag sources.
Wherein, it is to carry out slag ladle operation of tumbling smelting in slag slow cooling unit to smelt slag slow cooling method.Embrace after tank car 1 outputs, close
Electronic slag door 6 is closed, and water spray operation is carried out to smelting slag.Spray a period of time, such as, after 1 hour, carry out slag stirring and make
Industry, after the completion of stirring operation, closes electronic slag door 6, proceeds to spray operation.Dynamic spray, will be slow after 24～36 hours
Slag transport after cold is processed to after-treatment field.In whole annealing process, dedusting work is carried out by cleaner also
Industry.
Additionally, after the completion of operation of tumbling, embracing tank car and can stop such as 2～4min minutes smelting in slag slow cooling unit
Output again.
More than casting, the slow cooling method of slag is that slag ladle 4 is placed in the remaining slag slow cooling unit of casting, and electronic slag door 6 is closed, area
Not in the slow cooling mode for smelting slag, more than casting, the slow cooling mode of slag is slag ladle of first not tumbling, but is positioned over slow cooling in slag ladle
After in unit, spray facility enters Mobile state spray operation to slag more than the casting in slag ladle.Spray is opened after such as 8～12 hours
Electronic slag door 6, carries out slag ladle operation of tumbling, and closes electronic slag door 6, carries out spray operation.Spray enters after such as 1 hour
Row slag stirs operation, after stirring operation is finished, closes electronic slag door 6, proceeds to spray operation.Dynamic spray 16～24
After hour, the slag transport after slow cooling is processed to after-treatment field.Residual steel is selected using the disk that carries of crane 2.
The method similarly carries out effective dedusting to embracing tumble process, shower water process of a tank car, realizes the high-effective dust-removing of post environment.Casting
Remaining slag contains the residual steel of bulk, it is possible to use crane carries disk and selects residual steel.In whole annealing process, also by dedusting
Facility carries out dedusting operation.
Preferred embodiment of the present utility model is the foregoing is only, this utility model is not limited to, for this area
Technical staff for, this utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle within,
Any modification, equivalent substitution and improvements made etc., should be included within protection domain of the present utility model.
Claims (6)
1. a kind of stainless steel slag slow cooling processing meanss, it is characterised in that include：
Multiple slow cooling units, each slow cooling unit are the structure of the closing formed by coaming plate, slag door and mobile cover, by control
Slag door is closing or open slow cooling unit；Mobile cover, the mobile cover are arranged on the top of each slow cooling unit translatablely,
So that movement covers on working position and waits position to switch over, on each movement cover, spray facility, dedusting pipeline are integrated with, so as to
To the dynamic spraying cooling water of the slag in slow cooling unit and dedusting can be carried out,
Different according to pending slag, the mobile cover divides into slag movement cover more than smelting slag movement cover and casting, smelting again
More than steelmaking slag movement cover and casting, slag movement cover is run according to respective speed parameter respectively.
2. device according to claim 1, it is characterised in that
Smelt slag movement to cover on working position and wait the translational speed switched between position to be 10～15m/min, more than casting, slag is moved
It is dynamic to cover on working position and wait the translational speed switched between position to be 10m/min.
3. device according to claim 1, it is characterised in that driven using any one mode in motor, elevator or hydraulic pressure
Mobile cover is moved horizontally.
4. device according to claim 1, it is characterised in that for slag slow cooling is smelted, slag movement cover is smelted in control
Working position is moved to, be will be equipped with smelting the slag pot tipping of slag in slow cooling unit, then smelted slag movement and cover into Mobile state and spray
Water drenching operation, also, during slag pot tipping and dynamic shower water, smelt slag movement cover and remain lasting dedusting；
After persistently spraying 1 hour, slag stirring operation is carried out；
After the completion of stirring, continue dynamic shower water 24～36 hours, complete slow cooling.
5. device according to claim 1, it is characterised in that for slag slow cooling more than casting, slag movement cover more than control casting
Working position is moved to, the slag ladle that will be equipped with casting remaining slag is placed in slow cooling unit, dynamic shower water 8～12 hours into slag ladle
Afterwards, by slag pot tipping in slow cooling unit, then cast remaining slag movement and cover into Mobile state shower water operation, also, incline in slag ladle
Turn over and dynamic shower water during, more than casting, slag movement cover continues dedusting all the time；
Persistently spray stirs operation after 1 hour, to carry out slag；
After the completion of stirring, continue dynamic shower water 16～24 hours, complete slow cooling.
6. device according to claim 1, it is characterised in that dust-break bar is additionally provided with the slag door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621056690.3U CN206052061U (en) | 2016-09-14 | 2016-09-14 | A kind of stainless steel slag slow cooling processing meanss |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621056690.3U CN206052061U (en) | 2016-09-14 | 2016-09-14 | A kind of stainless steel slag slow cooling processing meanss |
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| CN206052061U true CN206052061U (en) | 2017-03-29 |
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| CN201621056690.3U Active CN206052061U (en) | 2016-09-14 | 2016-09-14 | A kind of stainless steel slag slow cooling processing meanss |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106222341A (en) * | 2016-09-14 | 2016-12-14 | 中冶华天南京工程技术有限公司 | A kind of stainless steel slag slow cooling method and device |
| CN108384908A (en) * | 2018-03-28 | 2018-08-10 | 马鞍山市方正机械制造有限责任公司 | A kind of granulating pit vapour condensation device and its gas gathering mask and application method |
| CN108774654A (en) * | 2018-04-13 | 2018-11-09 | 淄博瑞能热电科技有限公司 | A kind of flushing cinder vapor governing system for blast furnace |
-
2016
- 2016-09-14 CN CN201621056690.3U patent/CN206052061U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106222341A (en) * | 2016-09-14 | 2016-12-14 | 中冶华天南京工程技术有限公司 | A kind of stainless steel slag slow cooling method and device |
| CN108384908A (en) * | 2018-03-28 | 2018-08-10 | 马鞍山市方正机械制造有限责任公司 | A kind of granulating pit vapour condensation device and its gas gathering mask and application method |
| CN108384908B (en) * | 2018-03-28 | 2023-09-19 | 马鞍山市方正机械制造有限责任公司 | Water slag pool steam condensing device, gas collecting hood thereof and use method thereof |
| CN108774654A (en) * | 2018-04-13 | 2018-11-09 | 淄博瑞能热电科技有限公司 | A kind of flushing cinder vapor governing system for blast furnace |
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