CN209754008U - Vortex-proof zirconium metering nozzle - Google Patents
Vortex-proof zirconium metering nozzle Download PDFInfo
- Publication number
- CN209754008U CN209754008U CN201920438545.9U CN201920438545U CN209754008U CN 209754008 U CN209754008 U CN 209754008U CN 201920438545 U CN201920438545 U CN 201920438545U CN 209754008 U CN209754008 U CN 209754008U
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- zirconium
- stopper
- layer
- molten steel
- block
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Abstract
The utility model discloses a prevent zirconium sizing mouth of a river of whirlpool, including the nozzle brick, the nozzle brick is equipped with zirconium layer and surrounding layer from inside to outside, and four second screw holes have evenly been seted up to the surrounding layer upper surface, and four downthehole equal threaded connection of second screw have the locating lever, and the cover is equipped with the water conservancy diversion piece on four locating levers, and water conservancy diversion piece upper surface center department has seted up first screw hole, and first screw hole internal thread is connected with the stopper rod, and water conservancy diversion piece center department is equipped with the stopper block. Compared with the prior art, the beneficial effects of the utility model are that: firstly, the flow direction of molten steel can be dispersed through the arranged flow guide block, so that the molten steel flows into the nozzle brick from the periphery below the flow guide block, the molten steel is prevented from rotating, gathering and falling in the same direction to form a vortex, secondly, the stopper is in threaded connection with the stopper rod through the arranged stopper block, a positioning effect can be formed on the stopper rod, and when the molten steel is required to be poured, the stopper rod is pressed down.
Description
Technical Field
The utility model relates to a fixed diameter mouth of a river field specifically is a prevent zirconium fixed diameter mouth of a river of whirlpool.
Background
The metering nozzle is one of refractory materials for continuous casting of small square billets, plays a role in controlling the flow of molten steel, and the molten steel uniformly and stably flows through the metering nozzle and a crystallizer, which is a necessary condition for ensuring the normal running of continuous casting.
The conventional metering nozzle is not provided with a vortex preventing device, a vortex is easily formed after molten steel is in a certain water level, the vortex can roll up impurities on the surface of the molten steel to cause the quality of cast steel to be reduced, and the conventional metering nozzle is not provided with a plug, so that a plug rod is required to be adopted when pouring needs to be stopped temporarily, but the nozzle of the metering nozzle is difficult to find due to the opaqueness of the molten steel.
SUMMERY OF THE UTILITY MODEL
an object of the utility model is to provide a prevent zirconium sizing mouth of a river of swirl to solve the problem that provides among the above-mentioned background art.
In order to achieve the purpose, the utility model provides a prevent zirconium sizing mouth of a river of whirlpool, including the nozzle brick, the nozzle brick is equipped with zirconium layer and surrounding layer from inside to outside, four second screw holes have evenly been seted up to the surrounding layer upper surface, four equal threaded connection has the locating lever, four in the second screw hole the locating lever top all is equipped with cylindrical piece, four the cover is equipped with the water conservancy diversion piece on the locating lever, first screw hole has been seted up to water conservancy diversion piece upper surface center department, first screw hole female connection has the stopper rod, water conservancy diversion piece center department is equipped with the stopper block.
Furthermore, the outer cladding layer is of a circular truncated cone-shaped structure, and the radius of the upper surface of the outer cladding layer is larger than that of the lower surface of the outer cladding layer.
Furthermore, the zirconium layer is of a circular truncated cone-shaped structure, and the radius of the upper surface of the zirconium layer is larger than that of the lower surface of the zirconium layer.
Furthermore, the water conservancy diversion piece is the platykurtic structure, and water conservancy diversion piece edge has evenly seted up four slide openings, locating lever and slide opening sliding connection.
Further, the radius of the cylindrical block is larger than that of the sliding hole.
Furthermore, the chock is a circular truncated cone-shaped structure, and the chock is connected with the inner part of the zirconium layer in a sliding manner.
Furthermore, a hanging ring is arranged at the center of the top of the stopper rod.
Further, the outer cladding layer, the positioning rod, the cylindrical block, the flow guide block, the plug block and the plug rod are all made of high-temperature-resistant materials.
Compared with the prior art, the beneficial effects of the utility model are that: firstly, the flowing direction of molten steel can be dispersed through the arranged flow guide block, so that the molten steel flows into the nozzle brick from the periphery below the flow guide block, the molten steel is prevented from rotating, gathering and falling in the same direction to form vortex, impurities floating on the molten steel are prevented from being drawn into the molten steel by the vortex, the quality of a steel product is further influenced, secondly, the stopper is in threaded connection with the stopper through the arranged stopper, a positioning effect can be formed on the stopper, when the molten steel is required to be poured in a pause mode, the stopper is pressed down, the central position of a fixed-diameter nozzle is prevented from being found, the stopping step is accelerated, and the loss of the molten steel caused by over-slow stopping is avoided.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
Fig. 2 is a schematic view of the appearance structure of the present invention;
Fig. 3 is a schematic structural view of the flow guide block of the present invention.
In the figure: 1. hanging a ring; 2. a stopper rod; 3. positioning a rod; 4. a slide hole; 5. a flow guide block; 6. an outer cladding; 7. a zirconium layer; 8. a cylindrical block; 9. a second threaded hole; 10. a chock block; 11. a first threaded hole; 12. a nozzle brick.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.
Referring to fig. 1-3, the present invention provides an embodiment: a vortex-proof zirconium fixed diameter nozzle comprises a nozzle brick 12, wherein the nozzle brick 12 is provided with a zirconium layer 7 and an outer cladding layer 6 from inside to outside, the upper surface of the outer cladding layer 6 is uniformly provided with four second threaded holes 9, the four second threaded holes 9 are internally and uniformly in threaded connection with positioning rods 3 for positioning a flow guide block 5, the positioning rods 3 can be disassembled by threaded connection, the nozzle brick 12 is a consumable product, the positioning rods 3 can be disassembled to ensure that the fixed diameter nozzle can be recycled except the nozzle brick 12, the use cost is reduced, the tops of the four positioning rods 3 are respectively provided with a cylindrical block 8 for preventing the flow guide block 5 from falling off from the positioning rods 3 due to overlarge moving range, the four positioning rods 3 are sleeved with the flow guide blocks 5, the flow guide blocks 5 are used for dispersing the flowing direction of molten steel, so that the molten steel flows from four peripheral flow nozzle bricks 12 below the flow guide block 5, and the molten steel is prevented from rotating, first screw hole 11 has been seted up to 5 upper surface centers of water conservancy diversion piece, and 11 internal thread connections of first screw hole have stopper rod 2, stopper rod 2 and 5 threaded connection of water conservancy diversion piece, the installation and the dismantlement of stopper rod 2 of being convenient for, when not using, be convenient for preserve, 5 centers of water conservancy diversion piece department are equipped with chock 10, when needs temporary stop are pour, the sizing mouth of a river can be stopped in chock 10.
Further, the outer cladding 6 is in a truncated cone-shaped structure, and the radius of the upper surface of the outer cladding 6 is larger than that of the lower surface.
Further, the zirconium layer 7 is in a truncated cone-shaped structure, and the radius of the upper surface of the zirconium layer 7 is larger than that of the lower surface.
Further, water conservancy diversion piece 5 is the platykurtic structure, and the molten steel of the water conservancy diversion piece 5 top of being convenient for flows to the below of water conservancy diversion piece 5, and 5 edges of water conservancy diversion piece have evenly seted up four slide holes 4, and locating lever 3 and slide hole 4 sliding connection, the water conservancy diversion piece 5 of being convenient for descends for the mouth of a river of sizing mouth of a river can be stopped up to chock 10.
Further, the radius of the cylindrical block 8 is larger than that of the sliding hole 4, so that the guide block 5 is prevented from sliding out of the positioning rod 3.
Furthermore, the chock 10 is of a circular truncated cone-shaped structure, the chock 10 is in sliding connection with the inside of the zirconium layer 7, and the radius of the upper surface of the chock 10 is the same as the inner diameter of the upper surface of the zirconium layer 7, so that the chock 10 can completely plug the metering nozzle, and molten steel leakage is avoided.
Further, a hanging ring 1 is arranged at the center of the top of the stopper rod 2 and used for hanging the stopper rod 2 on the support.
Further, the outer cladding layer 6, the positioning rod 3, the cylindrical block 8, the flow guide block 5, the plug block 10 and the plug rod 2 are all made of high-temperature-resistant materials, and the outer cladding layer 6, the positioning rod 3, the cylindrical block 8, the flow guide block 5, the plug block 10 or the plug rod 2 are prevented from being damaged in molten steel.
The working principle is as follows: when the metering nozzle is used, firstly, the nozzle brick 12 is arranged on a tundish, then the slide holes 4 of the guide block 5 correspond to the first threaded holes 11 one by one, the positioning rods 3 penetrate through the slide holes 4 to be in threaded connection with the first threaded holes 11, then, the stopper rod 2 is in threaded connection with the second threaded holes 9, secondly, when molten steel is injected into the tundish, the upper part of the stopper rod 2 is pressed, the stopper block 10 is plugged in the nozzle brick 12, the molten steel is prevented from flowing out from a nozzle when the molten steel is injected, when the molten steel is poured, the stopper rod 2 is lifted upwards, and after the stopper rod is lifted to a proper height, the stopper rod 2 is hung on a bracket on the tundish through a hanging ring 1, during the pouring process of the molten steel, the molten steel flows into the nozzle brick 12 from the space between the positioning rods 3 below the guide block 5, the molten steel is prevented from rotating, gathering and falling in the same direction to form a vortex, and during the pouring process, when the pouring process needs to be stopped temporarily, the, and the stopper rod 2 is pressed downwards, the stopper rod 2 presses the flow guide block 5 and the stopper block 10 downwards, so that a nozzle of the nozzle brick 12 is stopped, finally, after the nozzle brick 12 is used or needs to be replaced, molten steel in a tundish is discharged, the metering nozzle is detached from the tundish according to the sequence of the stopper rod 2, the positioning rod 3, the flow guide block 5 and the nozzle brick 12, and when a new nozzle brick 12 is replaced, the metering nozzle is installed again according to the installation sequence and can be used again.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a zirconium matter sizing mouth of a river of preventing whirling, includes nozzle brick (12), its characterized in that: nozzle brick (12) are equipped with zirconium layer (7) and surrounding layer (6) from inside to outside, four second screw hole (9), four have evenly been seted up to surrounding layer (6) upper surface equal threaded connection has locating lever (3), four in second screw hole (9) locating lever (3) top all is equipped with cylindrical piece (8), four the cover is equipped with water conservancy diversion piece (5) on locating lever (3), first screw hole (11) have been seted up to water conservancy diversion piece (5) upper surface center department, first screw hole (11) female connection has stopper rod (2), water conservancy diversion piece (5) center department is equipped with stopper block (10).
2. The vortex shedding prevention zirconium metering nozzle of claim 1, wherein: the outer cladding layer (6) is of a circular truncated cone-shaped structure, and the radius of the upper surface of the outer cladding layer (6) is larger than that of the lower surface of the outer cladding layer.
3. The vortex shedding prevention zirconium metering nozzle of claim 1, wherein: the zirconium layer (7) is of a circular truncated cone-shaped structure, and the radius of the upper surface of the zirconium layer (7) is larger than that of the lower surface.
4. the vortex shedding prevention zirconium metering nozzle of claim 1, wherein: the flow guide block (5) is of a flat structure, four sliding holes (4) are uniformly formed in the edge of the flow guide block (5), and the positioning rod (3) is connected with the sliding holes (4) in a sliding mode.
5. A swirl resistant zirconium metering nozzle as claimed in claim 1 or claim 4 wherein: the radius of the cylindrical block (8) is larger than that of the sliding hole (4).
6. The vortex shedding prevention zirconium metering nozzle of claim 1, wherein: the chock (10) is of a circular truncated cone-shaped structure, and the chock (10) is connected with the inner part of the zirconium layer (7) in a sliding mode.
7. The vortex shedding prevention zirconium metering nozzle of claim 1, wherein: the center of the top of the stopper rod (2) is provided with a hanging ring (1).
8. The vortex shedding prevention zirconium metering nozzle of claim 1, wherein: the outer cladding layer (6), the positioning rod (3), the cylindrical block (8), the flow guide block (5), the plug block (10) and the plug rod (2) are all made of high-temperature-resistant materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920438545.9U CN209754008U (en) | 2019-04-02 | 2019-04-02 | Vortex-proof zirconium metering nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920438545.9U CN209754008U (en) | 2019-04-02 | 2019-04-02 | Vortex-proof zirconium metering nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209754008U true CN209754008U (en) | 2019-12-10 |
Family
ID=68757622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920438545.9U Expired - Fee Related CN209754008U (en) | 2019-04-02 | 2019-04-02 | Vortex-proof zirconium metering nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209754008U (en) |
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2019
- 2019-04-02 CN CN201920438545.9U patent/CN209754008U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191210 Termination date: 20210402 |