CN202639315U - Sketch blank continuous caster tundish working lining and construction embryonic membrane thereof - Google Patents
Sketch blank continuous caster tundish working lining and construction embryonic membrane thereof Download PDFInfo
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- CN202639315U CN202639315U CN 201220209080 CN201220209080U CN202639315U CN 202639315 U CN202639315 U CN 202639315U CN 201220209080 CN201220209080 CN 201220209080 CN 201220209080 U CN201220209080 U CN 201220209080U CN 202639315 U CN202639315 U CN 202639315U
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Abstract
The utility model belongs to the technical field of a steel smelting continuous casting tundish technology, relates to a sketch blank continuous caster tundish working lining and a construction embryonic membrane thereof, and particularly relates to the sketch blank continuous caster tundish impact zone working lining and the construction embryonic membrane thereof. The sketch blank continuous caster tundish impact zone working lining is characterized by being built by using carbon firebricks (2), and the outer surface of each carbon firebrick (2) is coated with a layer of coating material (3); corners (5) of the impact zone working lining are arc angles, and a tundish wall working lining (8) and a tundish bottom working lining (10) outside the impact zone are made of dry materials. According to the sketch blank continuous caster tundish working lining and the construction embryonic membrane thereof, the synchronization of the service life of the tundish impact zone working lining and the service life of the working linings of other parts is achieved, the continuous casting time of a single tundish can be up to more than 36 hours, and is increased by 12 hours on a year-on-year basis, and the cost of refractory materials for the continuous casting tundish is reduced by more than 30 percent on the year-on-year basis.
Description
Technical field
The utility model belongs to Ferrous Metallurgy continuous casting tundish technology field, relates to a kind of special-shaped billet continuous casting machine liner in dundish and construction fetal membrane thereof, relates in particular to a kind of special-shaped billet continuous casting machine tundish impact area working lining and construction fetal membrane thereof.
Background technology
Special-shaped billet continuous casting machine is because of the particularity of its section, it is the Novel continuous casting technique that integrates round base, square billet, slab, tundish has and the different process characteristic of other traditional continuous casting continuous casting tundish, the tundish design is long and narrow, each casting stream adopts 2 metering nozzle cast, and the spacing of 2 metering nozzles of each casting stream of different casting blank section is different.What exist aspect tundish mainly is, tundish impact area adopts the magnesia plate of prior art production as the working lining backplate, corrode, wash away serious, asynchronous with the service life at other position of liner in dundish, become and improve the tundish bottleneck problem in service life, and tundish service life lowly causes the casting for shaped blank continuous tundish cost of anti-the material high, and has increased more than tundish annotates, and then has reduced the Hot Metal in Beam Blank qualification rate.
Summary of the invention
Goal of the invention of the present invention is, problem for existing casting for shaped blank continuous liner in dundish technology existence, a kind of special-shaped billet continuous casting machine liner in dundish and preparation method thereof is provided, this liner in dundish is according to anti-erosion, the scour resistance requirement of tundish impact area working lining, adopt sandwich and arc chord angle structure, the service life of having realized tundish impact area working lining and other position working lining is synchronous, single Bao Lian time of watering reached more than 36 hours, improved on year-on-year basis 12 hours, and reduced on year-on-year basis the continuous casting tundish cost of anti-the material more than 30%.
A kind of special-shaped billet continuous casting machine liner in dundish, it is characterized in that, the impact zone working lining adopts carbon containing refractory brick (2) to build by laying bricks or stones, and smear one deck coating (3) at carbon containing refractory brick (2) outer surface, and the turning of impact zone working lining (5) are arc chord angle, and bag wall working lining (8) and underwrite lining work (10) beyond the impact zone all adopt dry materials.The turning of impact zone working lining (5) changes arc chord angle into by the right angle of traditional design, its role is to reduce the resistance of steel flow when the working lining turning in the tundish, alleviated thus molten steel to the washing away of turning, the heavy technical problem of turning local erosion is resolved.
Preferably, impact zone working lining carbon containing refractory brick (2) thickness a is 50～70mm, and coating (3) thickness b is 10～30mm.
Preferably, bag wall working lining (8) the thickness x beyond the impact zone is 60～80mm, and underwrite lining work (10) thickness y is 50～70mm.
Described carbon containing refractory brick, refer to for the resin-bonded of steelmaking converter, electric furnace, refining furnace magnesia carbon brick, aluminium-magnesia carbon brick and with after waste magnesia carbon brick or aluminium scrap magnesia carbon brick a kind of.
Preferably, described magnesia carbon brick, its MgO content are that 69～85%, C content is 5～18%, and apparent porosity is 3.0～7.0%, and bulk density is 2.87～3.15g/cm3, and cold crushing strength is 30～50MPa.
Preferably, described aluminium-magnesia carbon brick, its MgO+Al
2O
3Content is that 72～76%, MgO content is that 10～14%, C content is 7～8%, and apparent porosity is 8～10%, and bulk density is 2.80～2.90g/cm
3, cold crushing strength is 40～55MPa, the 0.2MPa refractoriness under load is 1600～1670 ℃.
Preferably, described waste magnesia carbon brick or aluminium scrap magnesia carbon brick, refer to that above-mentioned magnesia carbon brick, aluminium-magnesia carbon brick use later waste magnesia carbon brick or aluminium scrap magnesia carbon brick at steelmaking converter, electric furnace, refining furnace, and form through selection, cleaning, brick-laying machine fixed length cutting, its cut lengths equates with the thickness of impact zone working lining carbon containing refractory brick (2), all is that a is 50～70mm.
Described coating (3) refers to the magnesia coating or the magnesium carbon coating material that are used for the conticaster liner in dundish that prior art is produced.
Described dry materials refers to the magnesia spinel matter dry materials or the magnesium dry-type stock that are used for the conticaster liner in dundish that prior art is produced.
The present invention also provides a kind of construction fetal membrane of special-shaped billet continuous casting machine tundish dry material working lining, it is characterized in that, two end faces (7) are located about the carbon containing refractory brick (2) of dry materials working lining construction fetal membrane (12), each welds a baffle plate (11), the length of baffle plate (11) is the length L of impact zone working lining, and the width m of baffle plate (11) is impact zone working lining carbon containing refractory brick (2) thickness a and coating (3) thickness b sum.
Preferably, baffle plate (11) is selected heat resisting cast steel, and baffle plate (11) thickness is generally 20～30mm.The effect of baffle plate (11) is: when using working lining dry materials construction loose tool (12) to carry out the dry materials construction of tundish bag wall working lining (8), become the left baffle of dry materials, filler not between the left baffle (11), thus build the position headspace of carbon containing refractory brick (2) by laying bricks or stones at the working lining impact zone.
The present invention also provides a kind of preparation method of special-shaped billet continuous casting machine liner in dundish, may further comprise the steps:
1) working lining dry materials construction loose tool (12) is prepared: after clean to the removing surface of working lining dry materials construction loose tool (12) before the construction, evenly brush oil is for subsequent use;
2) at the bottom of the dry materials of tundish underwrite lining work (10) construction, the dry materials that prior art is produced are put into the tundish bag, shakeout then fully tamping, and with surface pressure concora crush light.Underwrite lining work (10) thickness y is 50～70mm;
3) working lining dry materials construction loose tool (12) is placed into above the tundish underwrite lining work (10), two baffle plates (11) and tundish permanent liner (1) are close to, guarantee seamless;
4) dry materials of tundish bag wall working lining (8) construction, filler not between two baffle plates (11) about working lining dry materials construction loose tool (12), namely build the position headspace of carbon containing refractory brick (2) by laying bricks or stones at the working lining impact zone, and outside headspace, the dry materials that prior art is produced is put in the sidewall and the gap outside the headspace between the tundish permanent liner (1) of working lining dry materials construction loose tool (12), should at first the loose bed of material be processed evenly behind the filler, one time depth of packing does not allow to surpass 150mm, adopt pneumatic pick, according to the even ramming of a definite sequence;
5) working lining dry materials moulding baking: 1. by normal temperature evenly, continuous warming to 150 ℃, toasted 50 ~ 60 minutes, the length of flame is at 400 ~ 450mm; 2. by 150 ℃ evenly, continuous warming to 200 ~ 240 ℃, toasted 60 ~ 70 minutes, the length of flame is at 600 ~ 650mm; 3. cooling is 4 ~ 8 hours after ceasing fire, and working lining dry materials construction loose tool (12) is proposed in tundish;
6) tundish current stabilizer (4) is installed, and its center and large bag long nozzle (13) central lines between flow straightener (4) and the permanent liner (1), adopt coating (3) to tamp;
7) impact zone working lining carbon containing refractory brick (2) construction adopts coating (3) that carbon containing refractory brick (2) wet method is built by laying bricks or stones, and the thickness a of impact zone working lining carbon containing refractory brick (2) is 50～70mm;
8) impact zone working lining coating (3) smears construction, coating is added in the batch mixer, dried stir 2 ~ 3 minutes after, add the water of coating gross weight 12 ~ 15%, stirred 4 ~ 6 minutes, stir, adopt trowel evenly to spread upon the outer surface of carbon containing refractory brick (2), coating (3) thickness (b) is 10～30mm, natural Health preservation 4 ~ 8 hours, and the preparation of special-shaped billet continuous casting machine liner in dundish is finished.
The invention has the beneficial effects as follows:
1) special-shaped billet continuous casting machine tundish impact area working lining of the present invention, adopt the carbon containing laying fireproof bricks, and smear one deck coating at carbon containing refractory brick outer surface, anti-erosion, scour resistance to high-temperature molten steel, slag have been improved, the service life of having realized tundish impact area working lining and other position working lining is synchronous, single Bao Lian time of watering reached more than 36 hours, improved on year-on-year basis 12 hours, reduced on year-on-year basis the continuous casting tundish cost of anti-the material more than 30%.
2) the present invention to LF or RH refining ladle working lining with after waste magnesia carbon brick or aluminium scrap magnesia carbon brick carry out the direct circulation reutilization technology, meet the industrial policy of national recycling economy, energy-saving and emission-reduction, have preferably economic and social benefit.
The present invention is successful Application on the large H shaped steel of Laiwu steel enterprise silver mountain shaped steel Co., Ltd steel mill casting for shaped blank continuous tundish, effect is good: (1) special-shaped billet continuous casting machine tundish impact area working lining corrodes, washes away heavy technical barrier and is resolved, the single Bao Lian that has improved the special-shaped billet continuous casting machine tundish waters the time, on average brought up to more than 36 hours by 24 hours, improved on year-on-year basis 12 hours, and reduced on year-on-year basis the continuous casting tundish cost of anti-the material more than 30%; (2) waste magnesia carbon brick after 130tLF, the RH refining ladle working lining usefulness is carried out the direct circulation reutilization technology, reduced the discharging of waste and old refractory material, further reduced the tundish cost of anti-the material.
Description of drawings
Fig. 1 is special-shaped billet continuous casting machine working lining structure of tundish top view of the present invention;
Fig. 2 is special-shaped billet continuous casting machine liner in dundish impact zone A-A profile of the present invention;
Fig. 3 is special-shaped billet continuous casting machine liner in dundish construction fetal membrane of the present invention and scheme of installation.
Wherein, 1-tundish permanent liner flow straightener, 2-impact zone working lining carbon containing refractory brick, 3-coating, 4-flow straightener; 5-impact zone working lining turning, 6-tundish involucrum, the combination interface of 7-impact zone working lining carbon containing refractory brick both ends of the surface and dry materials, 8-bag wall working lining, 9-metering nozzle, 10-underwrite lining work, 11-baffle plate; 12-working lining dry materials construction loose tool, the large bag long nozzle of 13-.
The specific embodiment
Following examples are that the installation method of inventing is further specified, but the present invention is not limited thereto.
Embodiment 1:
Fig. 1, shown in Figure 2, a kind of special-shaped billet continuous casting machine liner in dundish, it is characterized in that, the impact zone working lining adopts carbon containing refractory brick 2 to build by laying bricks or stones, and smear one deck coating 3 at carbon containing refractory brick 2 outer surfaces, and the turning 5 of impact zone working lining is arc chord angle, and bag wall working lining 8 and underwrite lining work 10 beyond the impact zone all adopt dry materials.The turning 5 of impact zone working lining changes arc chord angle into by the right angle of traditional design, its role is to reduce the resistance of steel flow when the working lining turning in the tundish, alleviated thus molten steel to the washing away of turning, the heavy technical problem of turning local erosion is resolved.
Described impact zone working lining carbon containing refractory brick 2 thickness a are 70mm, and coating 3 thickness b are 10mm.
Bag wall working lining 8 thickness x beyond the described impact zone are 80mm, and underwrite lining work 10 thickness y are 70mm.
Described carbon containing refractory brick 2, refer to that the trade mark is the waste magnesia carbon brick that the magnesia carbon brick of MT-14A is pulled down after the LF refining furnace uses, and form through selection, cleaning, brick-laying machine fixed length cutting, its cut lengths equates with the thickness of impact zone working lining carbon containing refractory brick 2, all is that a is 70mm.
The magnesia carbon brick of described MT-14A, its MgO content are that 76%, C content is 14%, and apparent porosity is 3.5%, and bulk density is 2.95g/cm
3, cold crushing strength is 40MPa.
Described coating 3 refers to the magnesium carbon coating material that is used for the conticaster liner in dundish that prior art is produced.
Described dry materials refers to the magnesia spinel matter dry materials that is used for the conticaster liner in dundish that prior art is produced.
Such as Fig. 2, shown in Figure 3, a kind of construction fetal membrane 12 of special-shaped billet continuous casting machine tundish dry material working lining, it is characterized in that, two end face 7 places about the carbon containing refractory brick 2 of dry materials working lining construction fetal membrane 12, each welds a baffle plate 11, the length of baffle plate 11 is the length L of impact zone working lining, and the width m of baffle plate 11 is impact zone working lining carbon containing refractory brick 2 thickness a and coating 3 thickness b sums.
Described baffle plate 11 is selected heat resisting cast steel, and baffle plate 11 thickness are 20mm.
A kind of preparation method of special-shaped billet continuous casting machine liner in dundish may further comprise the steps:
1) working lining dry materials construction loose tool 12 is prepared: after clean to 12 removing surfaces of working lining dry materials construction loose tool before the construction, evenly brush oil is for subsequent use.
2) at the bottom of the dry materials of tundish underwrite lining work 10 construction, the magnesia spinel matter dry materials that prior art is produced are put into the tundish bag, shakeout then fully tamping, and with surface pressure concora crush light.Underwrite lining work 10 thickness y are 70mm.
3) working lining dry materials construction loose tool 12 is placed into above the tundish underwrite lining work 10, two baffle plates 11 and tundish permanent liner 1 are close to, guarantee seamless.
4) dry materials of tundish bag wall working lining 8 construction, filler not between two baffle plates 11 about working lining dry materials construction loose tool 12, namely build the position headspace of carbon containing refractory brick 2 by laying bricks or stones at the working lining impact zone, and outside headspace, the dry materials that prior art is produced is put in the sidewall and the gap outside the headspace between the tundish permanent liner 1 of working lining dry materials construction loose tool 12, should at first the loose bed of material be processed evenly behind the filler, one time depth of packing does not allow to surpass 150mm, adopt pneumatic pick, according to the even ramming of a definite sequence;
5) working lining dry materials moulding baking: 1. by normal temperature evenly, continuous warming to 150 ℃, toasted 50 ~ 60 minutes, the length of flame is at 400 ~ 450mm; 2. by 150 ℃ evenly, continuous warming to 200 ~ 240 ℃, toasted 60 ~ 70 minutes, the length of flame is at 600 ~ 650mm; 3. cooling is 8 hours after ceasing fire, and working lining dry materials construction loose tool 12 is proposed in tundish.
6) tundish current stabilizer 4 is installed, and tamp with coating 3 between flow straightener 4 and the permanent liner 1 at its center and large bag long nozzle 13 central lines.
7) impact zone working lining carbon containing refractory brick 2 constructions adopt coating 3 that carbon containing refractory brick 2 wet methods are built by laying bricks or stones, and the thickness a of impact zone working lining carbon containing refractory brick 2 is 70mm.
8) impact zone working lining coating 3 smears construction, coating is added in the batch mixer, dried stir 3 minutes after, add the water of coating gross weight 15%, stirred 4 minutes, stir, adopt trowel evenly to spread upon the outer surface of carbon containing refractory brick 2, coating 3 thickness b are 10mm, natural Health preservation 4 hours, and the preparation of special-shaped billet continuous casting machine liner in dundish is finished.
Other are with embodiment 1, and difference is:
The thickness a of described impact zone working lining 2 is 50mm, and coating 3 thickness b are 30mm.
Bag wall working lining 8 thickness x beyond the described impact zone are 60mm, and underwrite lining work 10 thickness y are 50mm.
Described carbon containing refractory brick, selecting the trade mark is the aluminium-magnesia carbon brick of LMT-72, its MgO+Al
2O
3Content is that 72%, MgO content is that 10%, C content is 7%, and apparent porosity is 10%, and bulk density is 2.80g/cm
3, cold crushing strength is 40MPa, the 0.2MPa refractoriness under load is 1600 ℃.
Described coating 3 refers to the magnesia coating that is used for the conticaster liner in dundish that prior art is produced.
Described baffle plate 11 is selected heat resisting cast steel, and baffle plate 11 thickness are 30mm.
A kind of preparation method of special-shaped billet continuous casting machine liner in dundish may further comprise the steps:
1) working lining dry materials construction loose tool 12 is prepared: after clean to 12 removing surfaces of working lining dry materials construction loose tool before the construction, evenly brush oil is for subsequent use.
2) at the bottom of the dry materials of tundish underwrite lining work 10 construction, the magnesia spinel matter dry materials that prior art is produced are put into the tundish bag, shakeout then fully tamping, and with surface pressure concora crush light.Underwrite lining work 10 thickness y are 50mm.
3) working lining dry materials construction loose tool 12 is placed into above the tundish underwrite lining work 10, two baffle plates 11 and tundish permanent liner 1 are close to, guarantee seamless.
4) dry materials of tundish bag wall working lining 8 construction, filler not between two baffle plates 11 about working lining dry materials construction loose tool 12, namely build the position headspace of carbon containing refractory brick 2 by laying bricks or stones at the working lining impact zone, and outside headspace, the dry materials that prior art is produced is put in the sidewall and the gap outside the headspace between the tundish permanent liner 1 of working lining dry materials construction loose tool 12, should at first the loose bed of material be processed evenly behind the filler, one time depth of packing does not allow to surpass 150mm, adopt pneumatic pick, according to the even ramming of a definite sequence;
5) working lining dry materials moulding baking: 1. by normal temperature evenly, continuous warming to 150 ℃, toasted 50 ~ 60 minutes, the length of flame is at 400 ~ 450mm; 2. by 150 ℃ evenly, continuous warming to 200 ~ 240 ℃, toasted 60 ~ 70 minutes, the length of flame is at 600 ~ 650mm; 3. cooling is 4 hours after ceasing fire, and working lining dry materials construction loose tool 12 is proposed in tundish.
6) tundish current stabilizer 4 is installed, and tamp with coating 3 between flow straightener 4 and the permanent liner 1 at its center and large bag long nozzle 13 central lines.
7) impact zone working lining carbon containing refractory brick 2 constructions adopt coating 3 that carbon containing refractory brick 2 wet methods are built by laying bricks or stones, and the thickness a of impact zone working lining carbon containing refractory brick 2 is 50mm.
8) impact zone working lining coating 3 smears construction, coating is added in the batch mixer, dried stir 2 minutes after, add the water of coating gross weight 12%, stirred 6 minutes, stir, adopt trowel evenly to spread upon the outer surface of carbon containing refractory brick 2, coating 3 thickness b are 30mm, natural Health preservation 8 hours, and the preparation of special-shaped billet continuous casting machine liner in dundish is finished.
Other are with embodiment 1, and difference is:
The thickness a of described impact zone working lining 2 is 60mm, and coating 3 thickness b are 20mm.
Bag wall working lining 8 thickness x beyond the described impact zone are 70mm, and underwrite lining work 10 thickness y are 60mm.
Described carbon containing refractory brick, selecting the trade mark is the MT-18C magnesia carbon brick, and its MgO content is that 69%, C content is 18%, and apparent porosity is 4.0%, and bulk density is 2.87g/cm
3, cold crushing strength is 30MPa.
Described baffle plate 11 is selected heat resisting cast steel, and baffle plate 11 thickness are 25mm.
A kind of preparation method of special-shaped billet continuous casting machine liner in dundish may further comprise the steps:
1) working lining dry materials construction loose tool 12 is prepared: after clean to 12 removing surfaces of working lining dry materials construction loose tool before the construction, evenly brush oil is for subsequent use.
2) at the bottom of the dry materials of tundish underwrite lining work 10 construction, the magnesia spinel matter dry materials that prior art is produced are put into the tundish bag, shakeout then fully tamping, and with surface pressure concora crush light.Underwrite lining work 10 thickness y are 60mm.
3) working lining dry materials construction loose tool 12 is placed into above the tundish underwrite lining work 10, two baffle plates 11 and tundish permanent liner 1 are close to, guarantee seamless.
4) dry materials of tundish bag wall working lining 8 construction, filler not between two baffle plates 11 about working lining dry materials construction loose tool 12, namely build the position headspace of carbon containing refractory brick 2 by laying bricks or stones at the working lining impact zone, and outside headspace, the dry materials that prior art is produced is put in the sidewall and the gap outside the headspace between the tundish permanent liner 1 of working lining dry materials construction loose tool 12, should at first the loose bed of material be processed evenly behind the filler, one time depth of packing does not allow to surpass 150mm, adopt pneumatic pick, according to the even ramming of a definite sequence;
5) working lining dry materials moulding baking: 1. by normal temperature evenly, continuous warming to 150 ℃, toasted 50 ~ 60 minutes, the length of flame is at 400 ~ 450mm; 2. by 150 ℃ evenly, continuous warming to 200 ~ 240 ℃, toasted 60 ~ 70 minutes, the length of flame is at 600 ~ 650mm; 3. cooling is 8 hours after ceasing fire, and working lining dry materials construction loose tool 12 is proposed in tundish.
6) tundish current stabilizer 4 is installed, and tamp with coating 3 between flow straightener 4 and the permanent liner 1 at its center and large bag long nozzle 13 central lines.
7) impact zone working lining carbon containing refractory brick 2 constructions adopt coating 3 that carbon containing refractory brick 2 wet methods are built by laying bricks or stones, and the thickness a of impact zone working lining carbon containing refractory brick 2 is 60mm.
8) impact zone working lining coating 3 smears construction, coating is added in the batch mixer, dried stir 3 minutes after, add the water of coating gross weight 13.5%, stirred 4 minutes, stir, adopt trowel evenly to spread upon the outer surface of carbon containing refractory brick 2, coating 3 thickness b are 20mm, natural Health preservation 5 hours, and the preparation of special-shaped billet continuous casting machine liner in dundish is finished.
Claims (6)
1. special-shaped billet continuous casting machine liner in dundish, it is characterized in that, the impact zone working lining adopts carbon containing refractory brick (2) to build by laying bricks or stones, and smear one deck coating (3) at carbon containing refractory brick (2) outer surface, and the turning of impact zone working lining (5) are arc chord angle, and bag wall working lining (8) and underwrite lining work (10) beyond the impact zone all adopt dry materials.
2. special-shaped billet continuous casting machine liner in dundish according to claim 1 is characterized in that, described impact zone working lining carbon containing refractory brick (2) thickness a is 50～70mm, and coating (3) thickness b is 10～30mm.
3. special-shaped billet continuous casting machine liner in dundish according to claim 1 is characterized in that, bag wall working lining (8) the thickness x beyond the described impact zone is 60～80mm, and underwrite lining work (10) thickness y is 50～70mm.
4. special-shaped billet continuous casting machine liner in dundish according to claim 1, it is characterized in that, described carbon containing refractory brick refers to the magnesia carbon brick, aluminium-magnesia carbon brick for resin-bonded on steelmaking converter, electric furnace, the refining furnace and uses a kind of of later waste magnesia carbon brick or aluminium scrap magnesia carbon brick at steelmaking converter, electric furnace, refining furnace.
5. construction fetal membrane that is used for special-shaped billet continuous casting machine liner in dundish claimed in claim 1, it is characterized in that, two end faces (7) are located about the carbon containing refractory brick (2) of dry materials working lining construction fetal membrane (12), each welds a baffle plate (11), the length of baffle plate (11) is the length L of impact zone working lining, and the width m of baffle plate (11) is impact zone working lining carbon containing refractory brick (2) thickness a and coating (3) thickness b sum.
6. the construction fetal membrane of special-shaped billet continuous casting machine liner in dundish according to claim 5 is characterized in that, described baffle plate (11) is selected heat resisting cast steel, and baffle plate (11) thickness is 20～30mm.
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| CN 201220209080 CN202639315U (en) | 2012-05-10 | 2012-05-10 | Sketch blank continuous caster tundish working lining and construction embryonic membrane thereof |
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| CN 201220209080 CN202639315U (en) | 2012-05-10 | 2012-05-10 | Sketch blank continuous caster tundish working lining and construction embryonic membrane thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102699316A (en) * | 2012-05-10 | 2012-10-03 | 莱芜钢铁集团有限公司 | Beam blank continuous casting machine tundish working lining, construction tire film of working lining and preparation method of working lining |
| CN103736985A (en) * | 2014-01-11 | 2014-04-23 | 莱芜钢铁集团有限公司 | Steel ladle working lining and method for building slag line part of steel ladle working lining |
| CN111185588A (en) * | 2020-02-26 | 2020-05-22 | 郑州大学 | Construction method of dry-type material tundish air curtain retaining wall |
-
2012
- 2012-05-10 CN CN 201220209080 patent/CN202639315U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102699316A (en) * | 2012-05-10 | 2012-10-03 | 莱芜钢铁集团有限公司 | Beam blank continuous casting machine tundish working lining, construction tire film of working lining and preparation method of working lining |
| CN103736985A (en) * | 2014-01-11 | 2014-04-23 | 莱芜钢铁集团有限公司 | Steel ladle working lining and method for building slag line part of steel ladle working lining |
| CN103736985B (en) * | 2014-01-11 | 2016-06-08 | 莱芜钢铁集团有限公司 | A kind of ladle working lining and slag lining thereof build by laying method |
| CN111185588A (en) * | 2020-02-26 | 2020-05-22 | 郑州大学 | Construction method of dry-type material tundish air curtain retaining wall |
| CN111185588B (en) * | 2020-02-26 | 2021-12-28 | 郑州大学 | Construction method of dry-type material tundish air curtain retaining wall |
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