CN209773415U - Nanocrystalline strip nozzle structure - Google Patents
Nanocrystalline strip nozzle structure Download PDFInfo
- Publication number
- CN209773415U CN209773415U CN201821938491.4U CN201821938491U CN209773415U CN 209773415 U CN209773415 U CN 209773415U CN 201821938491 U CN201821938491 U CN 201821938491U CN 209773415 U CN209773415 U CN 209773415U
- Authority
- CN
- China
- Prior art keywords
- nozzle
- cup
- nanocrystalline strip
- cylindrical
- hole
- 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.)
- Active
Links
Landscapes
- Continuous Casting (AREA)
Abstract
A nanocrystalline strip nozzle structure, includes the nozzle cup, its characterized in that: the nozzle cup is characterized in that an inverted trapezoidal cavity is formed in the top of the nozzle cup, a cylindrical cavity is communicated below the inverted trapezoidal cavity, and a nozzle seat is arranged in the cylindrical cavity. The inside expanded graphite layer that scribbles of cylindrical through-hole, the nozzle holder is certain angle through fastening bolt and fixes on the nozzle cup, the utility model discloses can realize the regulation of distance between molten steel and the chill roll, angle when further can changing molten steel and the chill roll contact reduces nanocrystalline strip thickness, has reduced the internal stress, the radian, the fragility of nanocrystalline strip, has improved follow-up processing difficult problem.
Description
Technical Field
The utility model belongs to nanocrystalline strip system area equipment field, in particular to nanocrystalline strip nozzle structure.
Background
In the production of the nanocrystalline strip, high-temperature molten steel in an induction furnace is arranged on a cooling roller rotating at a high speed through a nozzle, the temperature of the molten steel at 1300 ℃ is reduced to below 200 ℃ to form the nanocrystalline strip only within one thousandth of a second, and then a nanocrystalline strip coil is formed through a coiling machine, wherein strip spraying is an important process, the contact angle of the high-temperature molten steel and the cooling roller also determines the quality of the strip, in the prior art, the nozzle is generally in a vertical state with the cooling roller, so that the high-temperature molten steel is also in contact with the cooling roller at a vertical angle, and large internal stress is easily generated in the prepared amorphous strip, and the amorphous strip is further embrittled.
Disclosure of Invention
The utility model provides a nanocrystalline strip nozzle structure for making up the deficiency of the prior art.
The utility model discloses a realize through following technical scheme:
A nanocrystalline strip nozzle structure, includes the nozzle cup, its characterized in that: an inverted trapezoidal cavity is vertically formed downwards in the top of the nozzle cup, a cylindrical through hole is formed in the lower portion of the inverted trapezoidal cavity in the parallel direction, and a square groove is formed in the bottom of the nozzle cup in parallel and connected with the cylindrical through hole; the cylindrical through hole is internally provided with a cylindrical nozzle seat matched with the cylindrical through hole, a nozzle is arranged below the nozzle seat, and the middle part of the nozzle seat is provided with a spray seam corresponding to the spray seam of the nozzle. .
Furthermore, the left side surface of the nozzle seat is provided with a groove which can be inserted into the handle.
Furthermore, scales are arranged on the left side surface of the nozzle cup corresponding to the handle.
Furthermore, a heating resistance wire is arranged inside the nozzle seat and is connected with an external power supply.
Furthermore, the nozzle cup is provided with a plurality of through holes which are vertical to two side surfaces of the nozzle seat, and the nozzle cup is provided with a plurality of through holes which are vertical to two side surfaces of the nozzle seat
the nozzle seat is fixed on the nozzle cup through a fastening bolt in the through hole.
Further, a layer of expanded graphite is coated in the wall of the cylindrical through hole.
The utility model has the advantages that: the utility model discloses the change of the angle when can realizing the molten steel and the chill roll contact reduces nanocrystalline strip material thickness, reduces the internal stress, the radian, the fragility of nanocrystalline strip material, has improved follow-up processing difficult problem, and further setting also can heat the jam that the molten steel reduces the nozzle at the inside hot resistance wire of nozzle block to obtain the band of good performance.
Drawings
The present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a cross-sectional view of the present invention.
Figure 2 is the structure diagram of the nozzle cup of the present invention.
Fig. 3 is a structural diagram of the nozzle holder according to the present invention.
Fig. 4 is a front view of the present invention.
In the figure, a nozzle cup 1, an inverted trapezoidal cavity 2, a cylindrical through hole 3, a square groove 4, a nozzle seat 5, a nozzle 6, a handle 7, scales 8, a resistance wire 9, a power supply 10, an expanded graphite layer 11, a through hole 12 and a fastening bolt 13 are arranged.
Detailed Description
A nanocrystalline strip nozzle structure, includes nozzle cup 1, its characterized in that: an inverted trapezoidal cavity 2 is vertically formed downwards in the top of the nozzle cup 1, a cylindrical through hole 3 is formed below the inverted trapezoidal cavity 2 in the parallel direction, and a square groove 4 is formed in the bottom of the nozzle cup 1 and connected with the cylindrical through hole 3; the cylindrical through hole 3 is internally provided with a cylindrical nozzle seat 5 matched with the cylindrical through hole, a detachable nozzle 6 is arranged below the nozzle seat 5, and the middle part of the nozzle seat 5 is provided with a spray seam corresponding to the spray seam of the nozzle. .
Furthermore, the left side surface of the nozzle seat 5 is provided with a groove into which the handle 7 can be inserted.
Furthermore, the left side surface of the nozzle cup 1 is provided with a scale 8 corresponding to the handle 7.
Furthermore, a heating resistance wire 9 is arranged inside the nozzle holder and is connected with an external power supply 10.
Furthermore, a plurality of through holes 12 are formed in the nozzle cup 1 and are perpendicular to two side faces of the nozzle seat 5, and the nozzle seat 5 is fixed on the nozzle cup 1 through fastening bolts 13 in the through holes.
Further, the inside of the wall of the cylindrical through hole 3 is coated with an expanded graphite layer 11.
The utility model discloses in the use, the nozzle cup is installed in the middle of the package bottom, inserts cylindrical through-hole 3 with the nozzle holder in, connects handle 7 to 3 left surfaces of cylindrical through-hole, installs nozzle 6 in 5 bottoms of nozzle holder, and twist grip 7 aligns the scale 8 that needs, and the angle of nozzle 6 can be confirmed to the angle of molten steel and chill roll contact.
Then the fastening bolt 13 is screwed up to fix the nozzle holder 5, the equipment is started, high-temperature molten steel enters the inverted trapezoidal cavity 2 of the nozzle holder through the tundish, the external power supply 10 simultaneously heats the resistance wires, the expanded graphite layer 6 around the cylindrical through hole rapidly expands in contact with high temperature to achieve the purpose of blocking the surrounding gap, the molten steel leakage is avoided, the nozzle holder 5 is further fixed, the further expanded graphite layer 11 can also play a role in heat preservation, and the heat of the high-temperature molten steel is ensured not to be greatly lost at the nozzle.
High-temperature molten steel flows onto the cooling roller rotating at a high speed at a certain angle through the spraying seam to form an ultrathin nanocrystalline strip, so that the internal stress, the camber and the brittleness of the nanocrystalline strip are reduced, and the subsequent processing problem is improved.
Claims (6)
1. A nanocrystalline strip nozzle structure, includes nozzle cup (1), its characterized in that: an inverted trapezoidal cavity (2) is vertically formed downwards in the top of the nozzle cup (1), a cylindrical through hole (3) is formed in the parallel direction below the inverted trapezoidal cavity (2), and a square groove (4) is formed in the bottom of the nozzle cup (1) and connected with the cylindrical through hole (3); be equipped with cylindrical nozzle seat (5) that matches with it in cylindrical through-hole (3), detachable nozzle (6) are installed to nozzle seat (5) below, nozzle seat (5) middle part is equipped with the seam of spouting and corresponds with the seam of spouting of nozzle (6).
2. The nozzle structure of nanocrystalline strip according to claim 1, characterized in that the left side of the nozzle holder (5) is provided with a groove into which a handle (7) can be inserted.
3. The nozzle structure of nanocrystalline strip according to claim 1, characterized in that the left side of the nozzle cup (1) is provided with a scale (8) at a position corresponding to the handle (7).
4. The nozzle structure of nanocrystalline strip according to claim 1, characterized in that a heated resistance wire (9) is arranged inside the nozzle holder (5) and connected with an external power supply (10).
5. The nozzle structure of nanocrystalline strip according to claim 1, characterized in that the nozzle cup (1) is provided with a plurality of through holes (12) perpendicular to two sides of the nozzle holder (5), and the nozzle holder (5) is fixed on the nozzle cup (1) through fastening bolts (13) in the through holes (12).
6. A nanocrystalline strip nozzle structure as claimed in claim 1, characterized in that the cylindrical through-hole (3) is internally coated with a layer of expanded graphite (11) in its wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821938491.4U CN209773415U (en) | 2018-11-23 | 2018-11-23 | Nanocrystalline strip nozzle structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821938491.4U CN209773415U (en) | 2018-11-23 | 2018-11-23 | Nanocrystalline strip nozzle structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209773415U true CN209773415U (en) | 2019-12-13 |
Family
ID=68787522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821938491.4U Active CN209773415U (en) | 2018-11-23 | 2018-11-23 | Nanocrystalline strip nozzle structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209773415U (en) |
-
2018
- 2018-11-23 CN CN201821938491.4U patent/CN209773415U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105107917B (en) | A kind of tank Loadings On Hemispherical Shell manufacturing process for improving mechanical property | |
| CN209849853U (en) | Sheet metal part die-casting forming die | |
| JPS6115783B2 (en) | ||
| CN102806408A (en) | Full spray welding method for boundary of inner cavity of copper alloy glass mould | |
| CN102430719A (en) | Lateral mould structure of low-pressure hub mould | |
| CN209773415U (en) | Nanocrystalline strip nozzle structure | |
| CN101376164A (en) | Control method of roll forming of twin-roll thin strip continuous casting cooling roll | |
| CN203541514U (en) | Nozzle bag of amorphous thin belt producing device | |
| CN107552753B (en) | Water distribution process of secondary cooling chamber in molten steel continuous casting process | |
| CN109500129A (en) | A kind of manufacturing method of multipurpose zinc Baogang | |
| CN205519513U (en) | Improve knuckle microstructure's special mould | |
| CN207668163U (en) | A kind of rolling device of flat-bulb steel | |
| CN103286147A (en) | Hot-rolled board strip production line laminar cooling method | |
| CN205951175U (en) | Hot runner spray nozzle | |
| CN103317108A (en) | Continuous casting billet chatter mark control method | |
| CN203955990U (en) | Connect aerofoil profile saddle bracket forge die | |
| CN104439132A (en) | Cooling roller for producing noncrystalloid flimsy alloy line | |
| CN206028671U (en) | Graphite jig of horizontal continuous casting method crystallizer | |
| CN106191733B (en) | A kind of wire tin plating method and wire tin equipment | |
| CN205996813U (en) | A kind of bar grinder water-cooling apparatus | |
| CN112974748A (en) | Continuous casting machine with corner crack prevention function and continuous casting method | |
| CN104722715B (en) | A kind of heater of cylinder head casting rising head | |
| CN103111595A (en) | System and method for improving temperature uniformity of beam blank cross section | |
| CN101983799A (en) | Beam blank continuous casting secondary cooling zone cooling device | |
| CN205768029U (en) | The laminating machine of machining accuracy can be improved |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |