CN101683690B - Method for manufacturing bottom of molten steel tank - Google Patents
Method for manufacturing bottom of molten steel tank Download PDFInfo
- Publication number
- CN101683690B CN101683690B CN2008100133737A CN200810013373A CN101683690B CN 101683690 B CN101683690 B CN 101683690B CN 2008100133737 A CN2008100133737 A CN 2008100133737A CN 200810013373 A CN200810013373 A CN 200810013373A CN 101683690 B CN101683690 B CN 101683690B
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- Prior art keywords
- mouth
- protection sleeve
- square brick
- permanent
- river
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 title claims description 17
- 239000010959 steel Substances 0.000 title claims description 17
- 238000004519 manufacturing process Methods 0.000 title abstract description 4
- 239000011449 brick Substances 0.000 claims abstract description 49
- 239000000463 material Substances 0.000 claims description 11
- 239000000725 suspension Substances 0.000 claims description 6
- 238000005266 casting Methods 0.000 claims description 3
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
The invention relates to a method for building a concave ladle bottom of a ladle, wherein a concave mould is adopted as a mould for building the ladle bottom, when building, the concave mould is firstly placed at the ladle bottom, the distance between the edge of the concave mould and the ladle wall is balanced, then stirred castable is poured into the ladle bottom from a gap between the concave mould and the ladle wall, the concave mould is lifted out after the castable is solidified, and finally, bricks are built on the surface of the castable. The method is used for building the bottom of the ladle, so that the brick body built on the surface of the castable can not be jacked up under the condition of heating, the process of making up gaps is saved, the production cost is saved, and the labor intensity of operators is reduced.
Description
Technical field
The present invention relates to building method at the bottom of a kind of molten steel jar spill jar
Background technology
Former masonry way is the horizontal ramming in the permanent end at the bottom of the molten steel jar jar, after ventilative square brick and mouth of a river square brick installation end, at the bottom of jar, drops into ramming mass, and it is floating to utilize manual work to carry out, and the permanent end is horizontal.The brick-on-end body that tiles in the above after solidifying of the permanent end, ventilative square brick is up and down directly built by laying bricks or stones on the bag bottom susceptor.Behind the ladle baking, bag end brick expanded by heating.Jar end expansion jack-up, thus make square brick jack-up, make up and down and produce the slit between the square brick.The slit is often smeared the grey way of magnesium by the workman slit is remedied less than 5mm; 5-20mm is arrived in the slit greatly, can not remedy, must ladle be handed over light maintenance.Both increase cost, delayed production again.
Summary of the invention
The present invention has overcome deficiency of the prior art, and a kind of method for constructing bottom of ladle is provided, and utilizes this method to make at the bottom of the molten steel jar jar; Can avoid heating square brick jack-up and produce the slit; Save the operation that remedies the slit, reduced production cost, improved the service life at the bottom of the molten steel jar jar.
In order to address the above problem, the present invention adopts following technical scheme to realize:
A kind of method for constructing bottom of ladle, this method comprises the steps:
(1) the permanent end of molten steel jar, is made into the permanent end of spill;
(2) lay bricks in spill, the flat successively block in top, the permanent end, the flat and upright end of laid on end molten steel jar,, the flat and upright end also is a spill at permanent the end.
The female mold moulding by casting is adopted at the permanent end of described spill, and specific practice is following:
(1) female mold is steadily put into jar at the bottom of, make die edge and molten steel jar tank skin spacing balanced, and the square brick protection sleeve of will breathing freely, mouth of a river square brick protection sleeve are aimed at ventilative square brick mouth and mouth of a river square brick mouth;
(2) the permanent bottom pour mold material feeding that stirs touches the mould lower surface until the pours upper surface at the bottom of pouring into jar from the slit between mould and tank skin, after material is paved, with vibrating head along a direction vibration, till anti-slurry;
(3) after material feeding to be poured is solidified mould is hung out;
(4) health is carried out at the permanent end, health is no less than 24 hours;
(5) on the permanent end, build the flat and upright end successively by laying bricks or stones.
The female mold that described a kind of method for constructing bottom of ladle adopted; This female mold comprises die ontology, counterweight, suspension hook, ventilative square brick protection sleeve, mouth of a river protection sleeve and pillar; The shape of die ontology is corresponding with ladle bag Bottom Shape; Low between the both sides senior middle school of die ontology; The die ontology upper surface is provided with counterweight and suspension hook, and the lower surface of die ontology is provided with ventilative square brick protection sleeve, mouth of a river protection sleeve and pillar, and this female mold is fixed at the bottom of the ladle bag through pillar; The height of ventilative square brick protection sleeve, mouth of a river protection sleeve and pillar should be consistent with the pours desired height, and the position of ventilative square brick protection sleeve and mouth of a river protection sleeve is corresponding with the position at the ventilative square brick mouth and the mouth of a river respectively.
Compared with prior art; The invention has the beneficial effects as follows: be spill at the bottom of the molten steel jar jar; Build the flat and upright end on this basis by laying bricks or stones, can effectively prevent to protect square brick under the situation of heating by the phenomenon of jack-up, remedy this procedure of slit thereby saved; Alleviate labor intensity of operating personnel, reduced the enterprise operation cost.
Description of drawings
Fig. 1 is the structural representation of molten steel jar;
Fig. 2 is that the female mold master looks cutaway view;
Fig. 3 is the female mold vertical view.
The specific embodiment
See Fig. 1, a kind of method for constructing bottom of ladle, this method comprises the steps:
(1) the permanent end A of molten steel jar is made into the permanent end of spill, adopts female mold to process; At the bottom of female mold steadily put into jar, make die edge and molten steel jar tank skin spacing balanced, and the square brick protection sleeve of will breathing freely, mouth of a river square brick protection sleeve are aimed at ventilative square brick mouth and mouth of a river square brick mouth;
(2) the permanent bottom pour mold material feeding that stirs touches the mould lower surface until the pours upper surface at the bottom of pouring into jar from the slit between mould and tank skin, after material is paved, with vibrating head along a direction vibration, till anti-slurry;
(3) after material feeding to be poured is solidified mould is hung out;
(4) health is carried out at the permanent end, health is no less than 24 hours;
(5) lay bricks in spill at permanent the end, the flat successively block in top, the permanent end, the flat B of laid on end molten steel jar and upright end C, flat B and upright end C also are spill.
See Fig. 2, Fig. 3, the female mold that is adopted comprises die ontology 1, counterweight 2, suspension hook 3, ventilative square brick protection sleeve 5, mouth of a river protection sleeve 4 and pillar 6, and the shape of die ontology 1 is corresponding with ladle bag Bottom Shape.Die ontology 1 is concave shape low between the senior middle school of both sides, and the difference in height of limit portion and bottom is to satisfy the consistency of thickness at jar permanent end of the end; Die ontology 1 diameter less than the ladle bag at the bottom of diameter, both diameter difference should satisfy pours and flow into a jar end naturally.Die ontology 1 material and thickness should satisfy counterweight 2 weight, are good with steel, require surfacing.Counterweight 2 is fixed on die ontology 1 upper surface, and its material, quantity and weight should reach that mould can be by the requirement of jack-up in casting process.Suspension hook 3 is fixed on die ontology 1 upper surface, and the requirement of die horizontal in the process of slinging should be satisfied in the position, and quantity satisfies the requirement of mold releasability.The lower surface of die ontology 1 is provided with ventilative square brick protection sleeve 5, mouth of a river protection sleeve 4 and pillar 6, and ventilative square brick protection sleeve 5 is the hollow-core construction of up/down perforation with mouth of a river protection sleeve 4, and this is built by laying bricks or stones at the bottom of mould is fixed on the ladle bag through pillar 6.Ventilative square brick protection sleeve 5 is fixed on the lower surface of die ontology 1; And connect with die ontology 1 upper surface; The height of ventilative square brick protection sleeve 5 should be consistent with the pours desired height, and after the installation, the position of ventilative square brick protection sleeve 5 is above ventilative square brick mouth; Shape of cross section should be consistent with ventilative square brick, and size should cover ventilative square brick mouth comprehensively.Mouth of a river protection sleeve 4 is fixed on the lower surface of die ontology 1; And connect with die ontology 1 upper surface, the protection sleeve height should be consistent with the pours desired height, the position is installed afterwards on the mouth of a river; Shape of cross section should be consistent with mouth of a river square brick, and size should cover the mouth of a river comprehensively.Pillar 6 is fixed on the lower surface of die ontology 1, and height should be consistent with the pours desired height, and size, quantity and position should be satisfied die ontology 1 balance and placed.
Claims (1)
1. a method for constructing bottom of ladle is characterized in that, this method comprises the steps: 1) the permanent end of molten steel jar, be made into the permanent end of spill; 2) lay bricks in spill, the flat successively block in top, the permanent end, the flat and upright end of laid on end molten steel jar,, the flat and upright end also is a spill at permanent the end;
The female mold moulding by casting is adopted at the permanent end of described spill; This female mold comprises die ontology, counterweight, suspension hook, ventilative square brick protection sleeve, mouth of a river protection sleeve and pillar; The shape of die ontology is corresponding with ladle bag Bottom Shape; Low between the both sides senior middle school of die ontology; The die ontology upper surface is provided with counterweight and suspension hook, and the lower surface of die ontology is provided with ventilative square brick protection sleeve, mouth of a river protection sleeve and pillar, and this female mold is fixed at the bottom of the ladle bag through pillar; The height of ventilative square brick protection sleeve, mouth of a river protection sleeve and pillar should be consistent with the pours desired height, and the position of ventilative square brick protection sleeve and mouth of a river protection sleeve is corresponding with the position at the ventilative square brick mouth and the mouth of a river respectively; Concrete operation method is:
1) female mold is steadily put into jar at the bottom of, make die edge and molten steel jar tank skin spacing balanced, and the square brick protection sleeve of will breathing freely, mouth of a river protection sleeve are aimed at ventilative square brick mouth and mouth of a river square brick mouth;
2) the permanent bottom pour mold material feeding that stirs touches the mould lower surface until the pours upper surface at the bottom of pouring into jar from the slit between mould and tank skin, after material is paved, with vibrating head along a direction vibration, till anti-slurry;
3) after material feeding to be poured is solidified mould is hung out;
4) health is carried out at the permanent end, health is no less than 24 hours;
5) on the permanent end, build the flat and upright end successively by laying bricks or stones.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100133737A CN101683690B (en) | 2008-09-26 | 2008-09-26 | Method for manufacturing bottom of molten steel tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100133737A CN101683690B (en) | 2008-09-26 | 2008-09-26 | Method for manufacturing bottom of molten steel tank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101683690A CN101683690A (en) | 2010-03-31 |
| CN101683690B true CN101683690B (en) | 2012-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100133737A Active CN101683690B (en) | 2008-09-26 | 2008-09-26 | Method for manufacturing bottom of molten steel tank |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102500753A (en) * | 2011-12-02 | 2012-06-20 | 中冶宝钢技术服务有限公司 | Brick building process of bottom of steel ladle |
| CN103157783B (en) * | 2011-12-19 | 2015-09-02 | 攀钢集团攀枝花钢钒有限公司 | A kind of building method of bottom of steel ladle |
| CN104259286B (en) * | 2014-07-31 | 2016-08-24 | 中冶陕压重工设备有限公司 | Forcing press is utilized to carry out method curved at the bottom of steel ladle bag |
| CN104148624B (en) * | 2014-08-25 | 2016-06-15 | 新兴铸管股份有限公司 | Iron ladle building method |
| CN108097941B (en) * | 2017-11-23 | 2019-10-25 | 南京钢铁股份有限公司 | A kind of ladle and its building method |
| CN109990747A (en) * | 2019-04-01 | 2019-07-09 | 山东钢铁集团日照有限公司 | A kind of hot-metal bottle tank bottom height detection method and its implement system |
| CN110449568B (en) * | 2019-08-27 | 2022-01-25 | 北京利尔高温材料股份有限公司 | Steel ladle composite bottom construction process |
| CN115572789B (en) * | 2022-10-25 | 2024-03-26 | 武钢集团昆明钢铁股份有限公司 | Installation method of converter bottom blowing air supply element |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1919500A (en) * | 2005-08-22 | 2007-02-28 | 崔东瑞 | Casing patch method for ladle brickwork neck bush |
| CN101020610A (en) * | 2006-12-08 | 2007-08-22 | 攀钢集团钢城企业总公司 | Poured material for foundry ladle bottom and its pouring process and mold |
-
2008
- 2008-09-26 CN CN2008100133737A patent/CN101683690B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1919500A (en) * | 2005-08-22 | 2007-02-28 | 崔东瑞 | Casing patch method for ladle brickwork neck bush |
| CN101020610A (en) * | 2006-12-08 | 2007-08-22 | 攀钢集团钢城企业总公司 | Poured material for foundry ladle bottom and its pouring process and mold |
Non-Patent Citations (2)
| Title |
|---|
| 劳动部培训司.弧面炉底.《筑炉工》.中国劳动出版社,1994,第210-213页. * |
| 陶绍平等.提高盛钢桶使用寿命的试验研究.《首钢科技》.1993,(第3期),27-30. * |
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| CN101683690A (en) | 2010-03-31 |
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