CN108247028A - A kind of long-life tundish compound frame structure backpack cover - Google Patents
A kind of long-life tundish compound frame structure backpack cover Download PDFInfo
- Publication number
- CN108247028A CN108247028A CN201810147941.6A CN201810147941A CN108247028A CN 108247028 A CN108247028 A CN 108247028A CN 201810147941 A CN201810147941 A CN 201810147941A CN 108247028 A CN108247028 A CN 108247028A
- Authority
- CN
- China
- Prior art keywords
- frame structure
- gusset
- tundish
- compound frame
- side plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 150000001875 compounds Chemical class 0.000 title claims abstract description 48
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 31
- 239000010959 steel Substances 0.000 claims abstract description 31
- 239000011819 refractory material Substances 0.000 claims abstract description 17
- 238000010276 construction Methods 0.000 claims abstract description 4
- 238000005266 casting Methods 0.000 claims abstract description 3
- 238000000465 moulding Methods 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 3
- 238000004873 anchoring Methods 0.000 claims description 2
- 238000009749 continuous casting Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000036244 malformation Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005060 molding of refractory Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
The present invention relates to a kind of long-life tundish compound frame structure backpacks cover, including compound frame structure, refractory material and triangular anchor firmware, compound frame structure includes outer beam, rectangular frame and gusset, rectangular frame is welded to connect by lateral side plate and longitudinal side plate, gusset is arranged on inside rectangular frame, gusset is by lateral gusset and longitudinal link of boards, triangular anchor firmware be uniformly fixed on the rectangular frame and gusset on, the compound frame structure and the integrated poured molding of the refractory material, the steel construction of refractory material casting is internally provided with a big steel outlet hole, two baking holes, one small steel outlet hole, two small de-air holes and a thermometer hole；The shape of compound frame structure is consistent with the shape of tundish packet mouth, and the thickness of the rectangular frame of compound frame structure is consistent with tundish cover.The tundish cover service life is long, so as to reduce entreprise cost.
Description
Technical field
The present invention relates to iron and steel smelting technology fields, and in particular to a kind of long-life tundish compound frame structure packet
Lid.
Background technology
Tundish is one of metallurgical continuous casting technique container, and tundish primarily serves decompression, current stabilization, decontamination and shunting steel
The effect of water, the Warm status in circular flow is produced, directly affects the variation of liquid steel temperature.Cooled down to reduce molten steel
Soon, it is general using in reinforcing baking of tundish, the turnover of raising tundish heat, optimization tundish liner body structure, molten steel operational process
The means such as heat preserving agent and the capping of tundish upper surface is added to implement.Pouring basket lid is wherein used to be fairly simple and directly do
Method.
Tundish cover is the lid being covered on tundish, is periodically run together with tundish, that is, is dried
Steel-lower continuous casting platform cooling is poured in roasting-dress stopper-upper continuous casting platform baking-access molten steel-.Middle backpack cover in use, plays
Important role：On the one hand can radiation loss be prevented with thermal insulation function；On the other hand can prevent heat radiation and molten steel or
Equipment is protected in the splash of slag, improves operating environment.
Having using cast steel lid for the tundish cover used in tradition, also has using stamp mass lid, also there is use
Fiber lid.There are some shortcomings for the tundish cover：First, the steel construction of backpack cover is easily deformed, refractory material is caused to burst apart stripping
It falls, the service life of backpack cover is relatively low；Second is that improve enterprise's production cost.
Invention content
The above-mentioned technical problem of being solved of the invention is to provide a kind of excellent Steel Structural Design, good thermal shock, anti-slag
Corrode tundish cover strong, that intensity is high, heat insulation effect is good and service life is grown.
The technical solution aspect that the present invention solves above-mentioned technical problem is as follows：A kind of long-life tundish compound frame knot
Structure backpack cover, including compound frame structure, refractory material and triangular anchor firmware, the compound frame structure includes outer beam, square
Shape frame and gusset, the rectangular frame are welded to connect by lateral side plate and longitudinal side plate, and the gusset is arranged on square
Shape lower portion, gusset are uniformly fixed to the square by lateral gusset and longitudinal link of boards, the triangular anchor firmware
On shape frame and on the gusset, the compound frame structure and the integrated poured molding of the refractory material, the fire proofed wood
The steel construction of material cast is internally provided with one big steel outlet hole, two baking holes, a small steel outlet hole, two small de-air holes and one
Thermometer hole；The shape of the compound frame structure is consistent with the shape of tundish packet mouth, the rectangle frame of the compound frame structure
The thickness of frame is consistent with tundish cover.
A kind of long-life tundish compound frame structure backpack cover, which is characterized in that the outer beam is in square
Outside the cast plane of shape frame, the outer beam is welded to connect including top plate, web and bottom plate, and the cross sectional shape of the outer beam can
It is fabricated to ' T ' font or 'Gong' font form.
A kind of long-life tundish compound frame structure backpack cover, which is characterized in that the rectangular frame
Lateral side plate and longitudinal side plate are welded to connect, and lateral side plate is connected with longitudinal side plate both ends connector into 90 degree of angle welding respectively
It connects, the lateral gusset and longitudinal gusset are welded to connect, and lateral gusset is welded with longitudinal gusset both ends connector into 90 degree of angles
Connection, lateral gusset and longitudinal gusset end are respectively welded and connect with lateral side plate and longitudinal side plate, and triangular anchor firmware is uniform
It is fixed on rectangular frame and gusset.
A kind of long-life tundish compound frame structure backpack cover, which is characterized in that outside the rectangular frame
Side surrounding is symmetrical arranged four lifting lugs.
The steel outlet hole and the cross-sectional shape in the baking hole are round, ellipse, oblong or rectangle.
The steel outlet hole and the longitudinal section in the baking hole are isosceles trapezoid or rectangle.
The performance parameter of the refractory material is：Flexural strength >=6.2Mpa after 110 DEG C × drying for 24 hours, compressive resistance
≥40Mpa；Flexural strength >=8.2Mpa after 1500 DEG C × 3h is burnt, compressive resistance >=50Mpa.
Advantageous effect
1st, tundish cover of the invention is set using excellent compound frame structure design and refractory material casting with tradition
The backpack cover of meter is different, eliminates the top plate in the design of traditional backpack cover, outer beam, rectangular frame and gusset in compound frame structure
Directly not heated, compound frame malformation amount is small, and the ability for inhibiting backpack cover flexural deformation is strong.
2nd, tundish cover of the invention, the compound frame structure overall structure is strong, passes through its energy of mechanical analysis
Enough abatement metals are each other due to thermal stress caused by phenomenon of expanding with heat and contract with cold, and the compound frame structure and fire resisting
Castable matching performance is good, and service life is long.
3rd, tundish cover of the invention, the compound frame structure may be reused repeatedly, overcome in tradition
The structure of the backpack cover of design just scraps deficiency after can only using 1 time, so as to greatly improve the long-life that backpack cover uses.
4th, tundish cover of the invention, the compound frame structure can be with self-contained die shape, pouring fireproof material
It is not required to make mold again during castable.
5th, the unshape refractory thermal shock resistance that tundish cover of the invention uses is good, disclosure satisfy that tundish week
Difference variation is big in the operation of phase property, the frequent requirement of cold and hot variation.
6th, tundish cover of the invention is using high-quality refractory material, and resistance to slag corrosion is good, and anti-molten steel scouring capability is good.
7th, tundish cover of the invention passes through the design of these types innovation so that the service life of tundish cover is big
It is big to improve, so as to reduce entreprise cost.
Description of the drawings
Fig. 1 is the tundish cover structure diagram of the present invention；
Fig. 2 is along Section A-A schematic diagram in Fig. 1；
Fig. 3 is along section B-B schematic diagram in Fig. 1；
Fig. 4 is outer beam section schematic diagram described in Fig. 1；
In attached drawing, the component representated by each label is：1st, compound frame structure, 2, refractory material, 3, outer beam, 4, rectangle frame
Frame, 5, gusset, 6, triangular anchor firmware, 7, big steel outlet hole, 8, baking hole, 9, gas vent, 10, small steel outlet hole, 11, thermometer hole,
12nd, top plate, 13, web, 14, bottom plate, 15, lifting lug.
Specific embodiment
The principle of the present invention and feature are described further below in conjunction with the accompanying drawings, example is served only for explaining this hair
It is bright, it is not intended to limit the scope of the present invention.
As shown in Figures 1 to 4：A kind of long-life tundish compound frame structure backpack cover, including compound frame structure 1,
Refractory material 2 and triangular anchor firmware 6, the compound frame structure 1 includes outer beam 3, rectangular frame 4 and gusset 5, described
Rectangular frame 4 is welded to connect by lateral side plate and longitudinal side plate, and the gusset 5 is arranged on inside rectangular frame, gusset by
Lateral gusset and longitudinal link of boards, the triangular anchor firmware 6 are uniformly fixed on the rectangular frame 4 and described
On gusset 5, the compound frame structure 1 and the 2 integrated poured molding of refractory material, the steel knot that the refractory material 2 is poured into a mould
Structure is internally provided with one big 7, two baking holes 8 of steel outlet hole, two small de-air holes 9, one small steel outlet hole 10 and a thermometer hole
11；The shape of the compound frame structure is consistent with the shape of tundish packet mouth, the rectangular frame of the compound frame structure
Thickness is consistent with tundish cover.
A kind of long-life tundish compound frame structure backpack cover, which is characterized in that the outer beam 3 is in square
Outside the cast plane of shape frame 4, the outer beam 3 is welded to connect including top plate 12, web 13 and bottom plate 14, the outer beam 3
Cross sectional shape can be fabricated to ' T ' font or 'Gong' font form.
A kind of long-life tundish compound frame structure backpack cover, which is characterized in that the rectangular frame 4
Lateral side plate and longitudinal side plate are welded to connect, and lateral side plate is connected with longitudinal side plate both ends connector into 90 degree of angle welding respectively
It connects, the lateral gusset of the gusset 5 and longitudinal gusset are welded to connect, and lateral gusset is pressed from both sides with longitudinal gusset both ends connector into 90 degree
Welded corner joint connects, and lateral gusset and longitudinal gusset end are respectively welded and connect with lateral side plate and longitudinal side plate, triangle anchoring
Part 6 is uniformly fixed on rectangular frame 4 and gusset 5.
A kind of long-life tundish compound frame structure backpack cover, which is characterized in that outside the rectangular frame 4
Side surrounding is symmetrical arranged four lifting lugs 15.
The steel outlet hole 7,10 and the cross-sectional shape in the baking hole 8 are round, ellipse, oblong or square
Shape.
The steel outlet hole 7,10 and the longitudinal section in the baking hole 8 are isosceles trapezoid or rectangle.
The performance parameter of the refractory material 2 is：Flexural strength >=6.2Mpa after 110 DEG C × drying for 24 hours, compressive resistance
≥40Mpa；Flexural strength >=8.2Mpa after 1500 DEG C × 3h is burnt, compressive resistance >=50Mpa.
Through field test
1st, the backpack cover uses on certain steel mill's continuous casting production, and in resistance to material under the same conditions, average life span is up to ＞ 100
Stove is used as a servant, and is 10 times of the backpack cover service life of traditional design, and the service life of tundish cover is greatly improved.
2nd, the backpack cover uses on certain steel mill's continuous casting production, and in resistance to material under the same conditions, compound frame structure can weigh
It uses again, is 3~4 times of the backpack cover frame service life of traditional design, the service life of tundish cover is greatly improved.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
All any modification, equivalent and improvement made within principle etc., should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of long-life tundish compound frame structure backpack cover, including compound frame structure, refractory material and triangular anchor
Firmware, which is characterized in that the compound frame structure include outer beam, rectangular frame and gusset, the rectangular frame be by
Lateral side plate and longitudinal side plate are welded to connect, and the gusset is arranged on inside rectangular frame, and gusset is by lateral gusset and longitudinal direction
Link of boards, the triangular anchor firmware be uniformly fixed on the rectangular frame and the gusset on, it is described compound
Frame structure and the integrated poured molding of the refractory material, the steel construction of the refractory material casting are internally provided with one big stream steel
Hole, two baking holes, a small steel outlet hole, two small de-air holes and a thermometer hole；The shape of the compound frame structure with
The shape of tundish packet mouth is consistent, and the thickness of the rectangular frame of the compound frame structure is consistent with tundish cover.
2. a kind of long-life tundish compound frame structure backpack cover as described in claim 1, which is characterized in that described is outer
Beam is outside the cast plane of rectangular frame, and the outer beam is welded to connect including top plate, web and bottom plate, and the outer beam is cut
Face shape can be fabricated to ' T ' font or 'Gong' font form.
A kind of 3. long-life tundish compound frame structure backpack cover as described in claim 1, which is characterized in that the square
The lateral side plate of shape frame and longitudinal side plate are welded to connect, respectively lateral side plate and longitudinal side plate both ends connector into 90 degree of angles
It is welded to connect, the lateral gusset and longitudinal gusset are welded to connect, and lateral gusset is pressed from both sides with longitudinal gusset both ends connector into 90 degree
Welded corner joint connects, and lateral gusset and longitudinal gusset end are respectively welded and connect with lateral side plate and longitudinal side plate end, triangle
Anchoring piece is uniformly fixed on rectangular frame and gusset.
A kind of 4. long-life tundish compound frame structure backpack cover as described in claim 1, which is characterized in that the square
Surrounding is symmetrical arranged four lifting lugs on the outside of shape frame.
A kind of 5. long-life tundish compound frame structure backpack cover as described in claim 1, which is characterized in that the stream
The cross-sectional shape in steel hole and the baking hole is round, ellipse, oblong or rectangle.
A kind of 6. long-life tundish compound frame structure backpack cover as described in claim 1, which is characterized in that the stream
The longitudinal section in steel hole and the baking hole is isosceles trapezoid or rectangle.
7. a kind of long-life tundish compound frame structure backpack cover as described in claim 1, which is characterized in that described is resistance to
The performance parameter of fiery material is：Flexural strength >=6.2Mpa after 110 DEG C × drying for 24 hours, compressive resistance >=40Mpa；1500℃×
Flexural strength >=8.2Mpa after 3h is burnt, compressive resistance >=50Mpa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810147941.6A CN108247028A (en) | 2018-02-02 | 2018-02-02 | A kind of long-life tundish compound frame structure backpack cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810147941.6A CN108247028A (en) | 2018-02-02 | 2018-02-02 | A kind of long-life tundish compound frame structure backpack cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108247028A true CN108247028A (en) | 2018-07-06 |
Family
ID=62745186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810147941.6A Pending CN108247028A (en) | 2018-02-02 | 2018-02-02 | A kind of long-life tundish compound frame structure backpack cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108247028A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109622928A (en) * | 2019-01-16 | 2019-04-16 | 山东莱钢永锋钢铁有限公司 | Backpack cover in a kind of meter of type skeleton |
| CN113523257A (en) * | 2021-07-29 | 2021-10-22 | 广东韶钢松山股份有限公司 | Durable steel ladle cover and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004082190A (en) * | 2002-08-28 | 2004-03-18 | Mitsubishi Heavy Ind Ltd | Continuous casting apparatus |
| CN2868507Y (en) * | 2006-02-17 | 2007-02-14 | 鞍钢实业三联开发总公司 | Combined section beam middle ladle cover |
| CN201744634U (en) * | 2010-06-29 | 2011-02-16 | 武汉威林炉衬材料有限责任公司 | Middle ladle cover for continuous casting |
| CN105057650A (en) * | 2015-07-31 | 2015-11-18 | 武汉威林科技股份有限公司 | Multi-flow integrated tundish cover |
| CN205393523U (en) * | 2016-03-09 | 2016-07-27 | 宁波钢铁有限公司 | Can prosthetic middle be built by contract |
| CN205393519U (en) * | 2016-02-03 | 2016-07-27 | 武汉威林科技股份有限公司 | Package be built by contract in middle of large -span is integral |
| CN206028721U (en) * | 2016-08-10 | 2017-03-22 | 武汉威林科技股份有限公司 | Blow whole middle package be built by contract of argon formula |
-
2018
- 2018-02-02 CN CN201810147941.6A patent/CN108247028A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004082190A (en) * | 2002-08-28 | 2004-03-18 | Mitsubishi Heavy Ind Ltd | Continuous casting apparatus |
| CN2868507Y (en) * | 2006-02-17 | 2007-02-14 | 鞍钢实业三联开发总公司 | Combined section beam middle ladle cover |
| CN201744634U (en) * | 2010-06-29 | 2011-02-16 | 武汉威林炉衬材料有限责任公司 | Middle ladle cover for continuous casting |
| CN105057650A (en) * | 2015-07-31 | 2015-11-18 | 武汉威林科技股份有限公司 | Multi-flow integrated tundish cover |
| CN205393519U (en) * | 2016-02-03 | 2016-07-27 | 武汉威林科技股份有限公司 | Package be built by contract in middle of large -span is integral |
| CN205393523U (en) * | 2016-03-09 | 2016-07-27 | 宁波钢铁有限公司 | Can prosthetic middle be built by contract |
| CN206028721U (en) * | 2016-08-10 | 2017-03-22 | 武汉威林科技股份有限公司 | Blow whole middle package be built by contract of argon formula |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109622928A (en) * | 2019-01-16 | 2019-04-16 | 山东莱钢永锋钢铁有限公司 | Backpack cover in a kind of meter of type skeleton |
| CN113523257A (en) * | 2021-07-29 | 2021-10-22 | 广东韶钢松山股份有限公司 | Durable steel ladle cover and preparation method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180706 |