CN201381331Y - Replaceable compound skimmer for iron storing main runner ditch - Google Patents
Replaceable compound skimmer for iron storing main runner ditch Download PDFInfo
- Publication number
- CN201381331Y CN201381331Y CN200920089200U CN200920089200U CN201381331Y CN 201381331 Y CN201381331 Y CN 201381331Y CN 200920089200 U CN200920089200 U CN 200920089200U CN 200920089200 U CN200920089200 U CN 200920089200U CN 201381331 Y CN201381331 Y CN 201381331Y
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- China
- Prior art keywords
- skimmer
- iron
- slag
- lintel
- prefabricated section
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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Abstract
The utility model belongs to the technology of the skimmer of the single-taphole blast furnace in the iron-smelting industry, and provides a replaceable compound skimmer for an iron storing main runner ditch, which is characterized in that an iron slag inlet 2 on one end of the skimmer body is connected with the main runner, and a molten iron outlet 7 on the other end is connected with a branch runner, the iron slag inlet 2 is connected with the molten iron outlet 7 by a passage 4, a over beam 6 of the skimmer for blocking slag is arranged above the passage 4, and a prefabricated block 5 for blocking slag is arranged above the passage 4, and the prefabricated block 5 is separated from the over beam 6 of the skimmer and is arranged in front of the over beam 6. The prefabricated block 5 and the over beam 6 of the skimmer are separated, so the prefabricated block 5 can be conveniently replaced and the skimmer can be repaired when the prefabricated block 5 is used for a long time to be damaged, thereby, the re-production of the pouring material of the skimmer is saved, at the same time, the time for production and baking is saved, the labor intensity of the workers is reduced, the production efficiency is improved and the economic benefit is improved.
Description
Technical field
The utility model belongs to the single iron notch blast furnace of iron industry skimmer technology, relates generally to a kind of iron storage type tap drain compound skimmer of changeable type.
Background technology
In blast furnace iron-making process, effusive from blast furnace iron notch is slag-iron mixed molten liquid.Skimmer is to make the isolating critical equipment of slag iron, when it can guarantee blast furnace casting slag, iron is separated; And can not retain slag in the molten iron, and there is not molten iron in the slag, could guarantee normally carrying out of ironmaking and follow-up process for making.At present, China a large amount of volumes are still arranged is 1000m
3Following single iron notch blast furnace.In order to improve the casting house life-span and the efficient of tapping a blast furnace, reduce a ton iron refractory consumption and the anti-material expense of ton iron, should be little by little transform the former non-iron storage type tap drain of these small furnaces as the iron storage type tap drain.Tap drain is through after transforming, and the life-span increases substantially; But the skimmer in the tap drain often damages because of the cracking that thermal stresses causes, erosion, loses the effect that separates slag, iron, and can not mate work-ing life with the tap drain life-span.Because skimmer is crossed cantilever thickness and reached about 1m, the blast furnace of single iron notch does not generally have coal gas, adopts firewood to wait and toasts, and is difficult to dry, dry by the fire skimmer saturating; And, need fire is stopped after finishing with firewood baking, residue is cleaned out from the The Small Well of tap drain and skimmer, block when avoiding out molten iron and cause molten iron to overflow accident, thereby make and the temperature of skimmer can't be raise before tapping a blast furnace.Generally when going out molten iron, the temperature of skimmer is the highest to be had only about 350 ℃, when temperature is that molten iron about 1450 ℃ is when the skimmer, the mould material of skimmer channel part produces very big thermal stresses owing to temperature sharply raises ftractures the skimmer lintel, causes at logical iron promptly through crack to occur after for some time and cause leaking slag and lose the pushing off the slag effect.So, through crack appears and after, need earlier the molten iron in the iron storage type tap drain to be emitted the back skimmer repaired, this needs the long time.Owing to be single iron notch blast furnace, will inevitably delay the time of tapping a blast furnace, smelt iron production normally thereby have a strong impact on blast furnace; And because field condition is abominable and the restriction of time, the slit of this perforation is difficult to repair, skimmer after the repairing also can only use the very short time, need after occurring leaking slag, repair once more, not only delay production, and wasted a lot of human and material resources.
Summary of the invention
The purpose of this utility model is to propose a kind of iron storage type tap drain compound skimmer of changeable type, make it can reduce or prevent to have now skimmer and also can repair fast because of cracking leaks slag, supporting to solve single iron notch blast furnace iron outlet groove with the problem that exists in the use of cast skimmer.
The utility model realizes that the technical scheme that its goal of the invention is taked is: a kind of iron storage type tap drain compound skimmer of changeable type, it mainly comprises the skimmer body, the slag iron import of skimmer body one end is connected with tap drain, the molten iron outlet of its other end is connected with an iron runner, and the skimmer body has as the effusive slag runner of slag; Import of slag iron and molten iron outlet are communicated with through the passageway, the top in described passageway has had the skimmer lintel of pushing off the slag effect, it is characterized in that: the prefabricated section of pushing off the slag effect has been set above described passageway, and prefabricated section and described skimmer lintel are isolating construction and the front portion that is positioned at the skimmer lintel.
Described prefabricated section is concordant with skimmer lintel short transverse, and the width of prefabricated section is greater than the width of slag iron import, and cross section is an isosceles trapezoid, and is connected with the skimmer body by seam.
The prefabricated section that the utility model is provided with is after work for some time, if find damage, can utilize the time of damping down, the prefabricated section of damage is hung out with crane, then the joint filler on both sides is destroyed with pneumatic pick, that use in the future again, identical being installed on the skimmer body through heat treated prefabricated section, with joint filler the slit cast of both sides is tamped, thereby realized the reparation of skimmer, both save the mould material of making skimmer again, saved the making storing time again simultaneously, reduced working strength of workers, improve production efficiency, improved economic benefit.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the B-B sectional view of Fig. 1.
Among the figure: 1, skimmer body, 2, the import of slag iron, 3, slag runner, 4, the passageway, 5, prefabricated section, 6, the skimmer lintel, 7, the molten iron outlet, 8, residual iron mouth, 9, seam.
Embodiment
The embodiment that provides is in conjunction with the accompanying drawings further specified structure of the present utility model:
Shown in the accompanying drawing 1,2, skimmer body 1 of the present utility model and tap drain constitute the passage that taps a blast furnace of single iron notch blast furnace, slag device body 1 one ends are connected with tap drain by the import 2 of slag iron, and the molten iron outlet 7 of its other end links to each other with an iron runner, and skimmer body 1 has the slag runner 3 as slag exit; The import 1 of slag iron and molten iron outlet 74 is connected through the passageway, and passageway 4 be the molten iron passage, and from molten iron outlet 7 outflows, the skimmer lintel 6 that plays the pushing off the slag effect is positioned at the top in passageway 4 to molten iron by passageway 4; Also be provided with the prefabricated section 5 of pushing off the slag effect above described passageway, prefabricated section 5 is isolating construction and the front portion that is positioned at skimmer lintel 6 with skimmer lintel 6.
The skimmer lintel 6 of prefabricated section 5 and cast places the passage top, plays the effect of pushing off the slag, and pre-residual iron mouth 8 is emitted the molten iron that stores in the tap drain by residual iron mouth when repairing tap drain and skimmer; Wherein, prefabricated section 5 is poured into a mould in advance and is finished, and 800 ℃ of left and right sides thermal treatments and be transported into the scene after being incubated 8h and directly be assembled on the skimmer, and fills the slit of prefabricated sections 5 and skimmer body by joint filler 9 cast; Clamp dog 5 is positioned over the skimmer lintel of cast near iron notch one side, and the short transverse of the skimmer lintel 6 of prefabricated section 5 bottoms and cast is concordant, reserves the position of molten iron passage.The width of prefabricated section 5 should slightly be wider than lintel, both sides than skimmer lintel 6 each wide 100mm about so that directly washing away of molten iron avoided in the relative thin weak position of seam 9.When cast tap drain and skimmer main body 1, with mould the position of prefabricated section 5 is reserved in advance, about the width of mould each wide 100mm of width both sides than prefabricated component, treat the tap drain casting complete, during oven dry to the 180 ℃ left and right sides, put into prefabricated section 5, use Al with prefabricated section 5 identical materials
2O
3The seam cast of-SiC-C matter seam 9 about with the 100mm of prefabricated section 5 both sides tamped.Prefabricated section 5 and skimmer lintel 6 contact positions because the institute slit of staying is less, get final product the slit plug in fact with stemming.After using for some time, in 6 ~ 8h of damping down, the prefabricated section 5 usefulness cranes of damage are hung out, then the seam 9 usefulness pneumatic picks on both sides are destroyed, again untapped, identical put into the predetermined position through 800 ℃ of heat treated prefabricated sections 5 in the left and right sides, with seam 9 cast of the slit of both sides is tamped, thereby realized the reparation of skimmer.
Prefabricated section of the present utility model 5 is divided into two bodies with the skimmer lintel 6 of cast, and prefabricated section 5 Overheating Treatment, has reduced the thickness of the skimmer of cast, makes the easier oven dry of skimmer, baking saturating; When molten iron flow through skimmer, even the skimmer lintel 6 of cast produces cracks, prefabricated section 5 can stop that also slag and molten iron flow through through the crack, can not produce through crack and caused leaking the generation of slag accident.
Claims (2)
1, a kind of iron storage type tap drain compound skimmer of changeable type, the slag iron import (2) of skimmer body (1) one end is connected with tap drain, and the molten iron outlet (7) of its other end is connected with an iron runner, and skimmer body (1) has as the effusive slag runner of slag (3); (4) are communicated with through the passageway for slag iron import (2) and molten iron outlet (7), and the top of described passageway (4) has had the skimmer lintel (6) of pushing off the slag effect, has residual iron mouth (8) between passageway (4) and the molten iron outlet (7); It is characterized in that: be provided with the prefabricated section (5) of pushing off the slag effect in the top of described passageway (4), prefabricated section (5) is isolating construction and the front portion that is positioned at skimmer lintel (6) with skimmer lintel (6).
2, a kind of iron storage type tap drain compound skimmer of changeable type according to claim 1, it is characterized in that: described prefabricated section (5) is concordant with skimmer lintel (6) short transverse, the width of prefabricated section (5) is greater than the width of slag iron import (2), cross section is an isosceles trapezoid, and is connected with body (1) by seam (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920089200U CN201381331Y (en) | 2009-03-26 | 2009-03-26 | Replaceable compound skimmer for iron storing main runner ditch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920089200U CN201381331Y (en) | 2009-03-26 | 2009-03-26 | Replaceable compound skimmer for iron storing main runner ditch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201381331Y true CN201381331Y (en) | 2010-01-13 |
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ID=41524807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920089200U Expired - Lifetime CN201381331Y (en) | 2009-03-26 | 2009-03-26 | Replaceable compound skimmer for iron storing main runner ditch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201381331Y (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102424871A (en) * | 2011-12-13 | 2012-04-25 | 南京钢铁股份有限公司 | Iron cinder and skimmer separation method during reblowing process after blast furnace long-term blowing-down |
| CN102618678A (en) * | 2012-03-28 | 2012-08-01 | 攀钢集团西昌钢钒有限公司 | Blast furnace slag-iron separation device, slag-iron separation method and discharged blast furnace slag-iron recovery method |
| CN102776306A (en) * | 2012-08-09 | 2012-11-14 | 莱芜钢铁集团有限公司 | Slag skimmer |
| CN104858411A (en) * | 2015-04-07 | 2015-08-26 | 巩义市华伟耐火材料厂 | Skimmer for separating molten slag, iron and lead in mixture of molten slag, iron and lead and separation method of skimmer |
| CN106011344A (en) * | 2016-06-27 | 2016-10-12 | 宜兴市龙宸炉料有限公司 | Iron storage type ditch slag skimmer capable of prolonging life |
| CN106011347A (en) * | 2016-06-27 | 2016-10-12 | 宜兴市龙宸炉料有限公司 | Blast furnace iron storage type iron tap channel slag skimmer capable of being recycled partially |
| CN108339971A (en) * | 2018-04-18 | 2018-07-31 | 宜兴市龙宸炉料有限公司 | Combined iron storage type channel skimmer |
| CN108588315A (en) * | 2018-06-06 | 2018-09-28 | 长兴明天炉料有限公司 | A kind of blast furnace iron outlet groove containing aluminium chromium slag layer |
| CN114800788A (en) * | 2022-03-22 | 2022-07-29 | 北京利尔高温材料股份有限公司 | Slag skimmer quick-change mold and preparation method of iron runner |
| CN115044717A (en) * | 2022-05-24 | 2022-09-13 | 中冶华天工程技术有限公司 | Blast furnace system fly ash resource utilization method and device |
| CN115305302A (en) * | 2022-09-07 | 2022-11-08 | 山东莱钢永锋钢铁有限公司 | Method for improving furnace front slag skimmer |
-
2009
- 2009-03-26 CN CN200920089200U patent/CN201381331Y/en not_active Expired - Lifetime
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102424871B (en) * | 2011-12-13 | 2013-02-13 | 南京钢铁股份有限公司 | Iron cinder and skimmer separation method during reblowing process after blast furnace long-term blowing-down |
| CN102424871A (en) * | 2011-12-13 | 2012-04-25 | 南京钢铁股份有限公司 | Iron cinder and skimmer separation method during reblowing process after blast furnace long-term blowing-down |
| CN102618678A (en) * | 2012-03-28 | 2012-08-01 | 攀钢集团西昌钢钒有限公司 | Blast furnace slag-iron separation device, slag-iron separation method and discharged blast furnace slag-iron recovery method |
| CN102618678B (en) * | 2012-03-28 | 2014-11-26 | 攀钢集团西昌钢钒有限公司 | Blast furnace slag-iron separation device, slag-iron separation method and discharged blast furnace slag-iron recovery method |
| CN102776306A (en) * | 2012-08-09 | 2012-11-14 | 莱芜钢铁集团有限公司 | Slag skimmer |
| CN104858411B (en) * | 2015-04-07 | 2017-01-04 | 巩义市华伟耐火材料厂 | A kind of slag, ferrum, lead mixture three separate slag skimmer and separation method thereof |
| CN104858411A (en) * | 2015-04-07 | 2015-08-26 | 巩义市华伟耐火材料厂 | Skimmer for separating molten slag, iron and lead in mixture of molten slag, iron and lead and separation method of skimmer |
| CN106011344A (en) * | 2016-06-27 | 2016-10-12 | 宜兴市龙宸炉料有限公司 | Iron storage type ditch slag skimmer capable of prolonging life |
| CN106011347A (en) * | 2016-06-27 | 2016-10-12 | 宜兴市龙宸炉料有限公司 | Blast furnace iron storage type iron tap channel slag skimmer capable of being recycled partially |
| CN108339971A (en) * | 2018-04-18 | 2018-07-31 | 宜兴市龙宸炉料有限公司 | Combined iron storage type channel skimmer |
| CN108588315A (en) * | 2018-06-06 | 2018-09-28 | 长兴明天炉料有限公司 | A kind of blast furnace iron outlet groove containing aluminium chromium slag layer |
| CN114800788A (en) * | 2022-03-22 | 2022-07-29 | 北京利尔高温材料股份有限公司 | Slag skimmer quick-change mold and preparation method of iron runner |
| CN114800788B (en) * | 2022-03-22 | 2023-11-28 | 北京利尔高温材料股份有限公司 | Preparation method of skimming tool quick-change mold and iron runner |
| CN115044717A (en) * | 2022-05-24 | 2022-09-13 | 中冶华天工程技术有限公司 | Blast furnace system fly ash resource utilization method and device |
| CN115305302A (en) * | 2022-09-07 | 2022-11-08 | 山东莱钢永锋钢铁有限公司 | Method for improving furnace front slag skimmer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100113 |