CN87207040U - Inlaid combined slide plate brick with slide liquid orifice - Google Patents
Inlaid combined slide plate brick with slide liquid orifice Download PDFInfo
- Publication number
- CN87207040U CN87207040U CN 87207040 CN87207040U CN87207040U CN 87207040 U CN87207040 U CN 87207040U CN 87207040 CN87207040 CN 87207040 CN 87207040 U CN87207040 U CN 87207040U CN 87207040 U CN87207040 U CN 87207040U
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- CN
- China
- Prior art keywords
- plate brick
- brick
- sliding plate
- slide
- slide 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.)
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- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
The utility model relates to an inlaid combined slide plate brick with slide liquid orifice used for casting steel. The upper and the lower slide plate bricks are made into an inlaid combined structure which comprises a basal body sliding plate brick (12), an inlaid plate (14) and cast hole combined material (15). With the structure, different fire resistant materials can be selected according to different working conditions of the slide plate brick in the working state to cut the cost and meet the need of casting technique particularly consecutive casting. The lower slide plate brick of the utility model can also be made into the shape of diplopore to adopt the technological requirements of long time of consecutive casting for big ladles and small square billet.
Description
A kind of combined type sliding gate slide board brick of inlaying, the utility model relates to the sprue gate that steel smelting is used.
Steel when cast, the mouth of a river of ladle bottom be steel stream must through the position.Before the sixties, the device of stopper rod-mouth of a river type is mostly adopted in the cast steel operation in the process for making.Steel stream is controlled in keying by stopper brick on the stopper rod and ladle bottom nozzle brick.Because the stopper rod long period of soaking is in molten steel, thereby stand the effect of slag etch, thermal shock and molten steel static pressure, the development of company's notes technology that the employing of particularly current big capacity ladle technology and the fifties begin to apply, prolonged the duration of pouring, thereby crooked and disconnected excellent phenomenon can appear in stopper when cast, bleed-out incessantly occurs thereby cause owing to ladle closes, or ladle can not major accidents such as bag appear freezing breakdown.And this stopper rod-mouth of a river type device also is unfavorable for realizing pouring into a mould the employing that automatic control and operated from a distance and many stoves logotype ， And influence for example bucket formula employing application of vacuum of steel-making new technology, electromagnetic agitation, the interior refining of bucket etc.Thereby various countries develop a kind of novel control steel stream device one sliding nozzle device in succession after the sixties.Refractory material comprises upper nozzle brick, upper slide brick, lower skateboard brick, lower nozzle brick and slide mechanism in this device.When cast by the slide mechanism effect, reach the purpose of control steel stream by means of the dislocation of blowhole in the sliding plate brick up and down.Fig. 1 is a slide gate nozzle work schematic diagram.Wherein 1 is upper nozzle brick, the 2nd, and the upper slide brick, 3 is the lower skateboard brick, 4 is lower nozzle brick.A is the full open state among the figure, and b is the steel current control, and c is a full closing state.Go up when this mouth of a river device uses lower nozzle brick and up and down sliding plate brick must stand sharply the washing away of high-temperature molten steel, erosion and thermal shock effect.Particularly up and down the slide plate brickwork to make condition more abominable.Thereby require to adopt refractory material to make with higher elevated temperature strength, better corrosion resistance and heat endurance.Britain Fei Luogaisi company just selects for use sintered alumina to make whole last lower nozzle brick.Use the then whole employing sea water magnesia sand of sliding plate brick up and down or the sintering oxidation aluminium And at position to burn till to key through high temperature.Though used non-sintered high aluminium matter sliding plate brick is cheap, on mould is annotated, uses even also using less than once on the notes, to have limited applying of slide gate nozzle with once greatly for this reason.For addressing the above problem, " Wuhan Iron and Steel Plant technology " 8 or three year first phase once disclosed a kind of sliding gate slide board brick of inlaying ring type.Fig. 2 is the schematic diagram of this sliding plate brick, and 5 inlay ring for what made by high-quality refractory material among the figure, 6 serve as reasons matrix sliding plate brick that general refractory material makes, and 7 for inlaying the ring type sliding plate brick after the assembling.Though this sliding gate slide board brick greatly reduces cost, sliding surface etch problem is still unresolved when using.And and the loosening phenomenon of ring also can occur inlaying, thereby service life is lower.Thereby can not reach many stoves logotype purpose.
It is a kind of cheap that the utility model purpose will provide exactly, long service life inlay up and down sliding plate brick of combined type.Now in conjunction with the accompanying drawings the utility model is described.Fig. 3 is for adopting slide gate nozzle schematic diagram of the present utility model.8 is upper nozzle brick among the figure, and 9 for inlaying combined type upper slide brick, and 10 for inlaying combined type lower skateboard brick, and 11 is lower nozzle brick.Fig. 4 be schematic diagram of the present utility model (above sliding plate brick is an example) wherein 12 for the matrix sliding plate brick, 13 is binding agent, 14 is elbow-board, 15 is the compound anti-material of blowhole.This brick structure of slide plate up and down that comprises matrix sliding plate brick 12 and elbow-board 14 just can be selected for use according to the different operating condition of each position of sliding plate brick under in working order when selecting materials.In the utility model, the compound anti-material 15 of the blowhole of contact high-temperature molten steel is just adopted the chemically combined high-quality refractory material of synthesis type that does not burn till, for example Al
2O
3-C, Al
2O
3-Cr
2O
3, Al
2O
3-Zr
2O-C, MgO, MgO-C or ZrO
2And looks the different steel grades of cast and selects different anti-materials for use, and general killed steel can adopt Al
2O
3-C or Al
2O
3-Zr
2O-C, boiling steel is with MgO or MgO-C.Matrix sliding plate brick 12 is then adopted inexpensive general refractory material.Do not burn second-class high-alumina brick as the waterglass combination.Key position sliding surface as for sliding plate brick is that 14 of elbow-boards are selected the chemically combined high-quality refractory material of the synthesis type that burns till for use.Al for example
2O
3-C, Al
2O
3-Cr
2O
3, Al
2O
3-Zr
2O-C, MgO, MgO-C, ZrO
2Deng.Elbow-board 14 is bonding by binding agent 13 and matrix sliding plate brick 12.So just greatly reduce the price of whole sliding plate brick.
In the specific implementation, should be according to different steel mills, different cast require (mainly look the ladle size of respectively using steel mill, and the configuration of slide mechanism) to determine the brick shape size and the blowhole size of matrix sliding plate brick 12.The length of elbow-board 14 is according to sliding apart from decide, and for sliding surface not being weathered and washing away, the length of elbow-board 14 should be greater than the slip distance, and the compound anti-material 15 of blowhole is decided on pouring into a mould steel grade, as is applied to killed steel and then adopts Al
2O
3-C matter, wherein Al
2O
370-80%, C 10～15%, and surplus is SiO
2, metallic silicon power and metallic aluminium powder etc.Matrix sliding plate brick 12 is selected for use and is not burnt second-class high aluminium material.When making, compound anti-material of the blowhole of selecting for use and the anti-material of matrix sliding plate brick are added in the mould of matrix sliding plate brick once compression moulding on the friction press then respectively after the weighing.The compound thickness of anti-material of blowhole is generally 10～15 millimeters.The matrix sliding plate brick 12 of press forming is stand-by after through 120～150 ℃ of bakings.Equally, the anti-material of elbow-board 14 is through the weighing press forming, if select Al for use
2O
3-C matter, then Al
2O
3Be 80～85%, add graphite and indefinite form carbon (ring benzene carbide heat is situated between) about 10% in addition again, surplus is additive such as metallic silicon power, aluminium powder.Elbow-board 14 after the moulding toasts after burn till in 1200～1400 ℃ of reducing atmospheres at 120～150 ℃.And then flood pitch 1～2 time, and with regard to available binding agent 13 that matrix slide plate 12 and elbow-board 14 is bonding after destructive distillation is handled, can adopt phosphoric acid chamotte, manganese phosphate chamotte, sulfuric acid chamotte or waterglass as binding agent in the utility model.Inlay combined slide plate brick 9 and 10 impregnating pitch again after 100～150 ℃ of following dryings after the assembling, polish with surface grinding machine then, to guarantee that sliding plate brick slides smoothly up and down.The flatness that requires the sliding plate brick sliding surface is less than 0.05 millimeter.
Now be described further in conjunction with the embodiments
Present embodiment is used in 25 tons of second-rate billet casters of ladle one machine, Fig. 5 is the schematic diagram of present embodiment, wherein matrix sliding plate brick 12 length are 250 millimeters, width is 170～150 millimeters, thickness is 35 millimeters, and blowhole is 50 millimeters of φ, and the length of elbow-board 14 is 180～200 millimeters, width is 80～120 millimeters, and thickness is 10～20 millimeters.Binding agent 13 is selected the phosphoric acid chamotte for use.
Present embodiment connects through 25 tons of second-rate little square billets of ladle one machine annotates use 60 stoves, and good sliding rate is 100%, and average logotype stove number reaches 3 times (single face use).
Fig. 6 is the schematic diagram of present embodiment 2, and 16 for inlaying combined type upper slide brick among the figure, and 17 is the lower skateboard brick, has two blowholes in the lower skateboard brick 17, and this ditrysian type sliding plate brick is specially adapted to big capacity ladle and requires the duration of pouring long little square billet to connect annotate.The length of sliding plate brick and blowhole size are according to different steel mills, and different pouring conditions and sled mechanism design.At 70 tons of ladles, four machines four stream billet casters, reach the duration of pouring under 80～130 minutes the situation, sliding plate brick 16 and 17 length are 450 millimeters up and down, and width is 210 millimeters, and thickness is 40 millimeters.Pitch of holes is 200 millimeters, the diplopore aperture is different, general macropore adopts 50 millimeters of mould orifice footpath φ, open and water usefulness, aperture is selected for use and is connected the orifice footpath, is complementary with the tundish flow, the aperture of present embodiment is 25～28 millimeters of φ, but logotype secondary when this diplopore shape is inlayed the use of combined slide plate brick makes full use of out funnel as the use of mould notes if add, and then total logotype heat is 5 times.During use, good sliding rate is 100%.
Claims (2)
1, a kind of be used for steel cast inlay combined type sliding gate slide board brick, it comprises sliding plate brick up and down, has blowhole on the sliding plate brick up and down, it is characterized in that:
A) sliding plate brick is made and is included matrix sliding plate brick 12 up and down, the compound anti-material 15 of elbow-board 14 and blowhole inlay composite structure, matrix sliding plate brick 12 and elbow-board 14 are undertaken bonding by binding agent 13,
B) the compound anti-material 15 of described blowhole adopts the chemically combined high-quality refractory material of synthesis type that does not burn till, Al
2O
3-C, Al
2O
3-Cr
2O
3, Al
2O
3-Zr
2O-C, MgO, MgO-C or ZrO
2,
C) described elbow-board 14 adopts the chemically combined high-quality refractory material of synthesis type that burns till, Al
2O
3-C, Al
2O
3-Cr
2O
3, Al
2O
3-Zr
2O-C, MgO, MgO-C or ZrO
2,
D) described binding agent 13 is phosphoric acid chamotte, manganese phosphate chamotte, sulfuric acid chamotte, or waterglass.
2, sliding plate brick as claimed in claim 1 is characterized in that, inlays the combined slide plate brick under described to make diplopore shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87207040 CN87207040U (en) | 1987-05-12 | 1987-05-12 | Inlaid combined slide plate brick with slide liquid orifice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87207040 CN87207040U (en) | 1987-05-12 | 1987-05-12 | Inlaid combined slide plate brick with slide liquid orifice |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN87207040U true CN87207040U (en) | 1988-01-27 |
Family
ID=4822524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 87207040 Withdrawn CN87207040U (en) | 1987-05-12 | 1987-05-12 | Inlaid combined slide plate brick with slide liquid orifice |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN87207040U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102189250A (en) * | 2011-05-23 | 2011-09-21 | 浙江省长兴铁狮耐火材料有限公司 | Anti-drop composite metering nozzle |
| CN102251071A (en) * | 2011-07-13 | 2011-11-23 | 马鞍山市雨山冶金新材料有限公司 | Sliding nozzle brick for slag trap gate valve at converter tap hole |
| CN107253262A (en) * | 2017-07-12 | 2017-10-17 | 济南新峨嵋实业有限公司 | A kind of sliding plate brick brick compacting mold |
| CN113185269A (en) * | 2021-05-08 | 2021-07-30 | 江苏悦展新型材料有限公司 | Novel slide plate compounding process |
| CN114988855A (en) * | 2022-05-12 | 2022-09-02 | 湖南湘钢瑞泰科技有限公司 | Converter slag-blocking non-fired and non-dipped composite sliding plate brick and preparation method thereof |
-
1987
- 1987-05-12 CN CN 87207040 patent/CN87207040U/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102189250A (en) * | 2011-05-23 | 2011-09-21 | 浙江省长兴铁狮耐火材料有限公司 | Anti-drop composite metering nozzle |
| CN102251071A (en) * | 2011-07-13 | 2011-11-23 | 马鞍山市雨山冶金新材料有限公司 | Sliding nozzle brick for slag trap gate valve at converter tap hole |
| CN107253262A (en) * | 2017-07-12 | 2017-10-17 | 济南新峨嵋实业有限公司 | A kind of sliding plate brick brick compacting mold |
| CN107253262B (en) * | 2017-07-12 | 2019-10-18 | 济南新峨嵋实业有限公司 | A kind of sliding plate brick brick compacting mold |
| CN113185269A (en) * | 2021-05-08 | 2021-07-30 | 江苏悦展新型材料有限公司 | Novel slide plate compounding process |
| CN114988855A (en) * | 2022-05-12 | 2022-09-02 | 湖南湘钢瑞泰科技有限公司 | Converter slag-blocking non-fired and non-dipped composite sliding plate brick and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |