CN210231515U

CN210231515U - Zirconium metering nozzle convenient to replace

Info

Publication number: CN210231515U
Application number: CN201920438550.XU
Authority: CN
Inventors: Ronghuan Wang; 王荣环
Original assignee: Jinan Hongguang Refractory Co Ltd
Current assignee: Jinan Hongguang Refractory Co Ltd
Priority date: 2019-04-02
Filing date: 2019-04-02
Publication date: 2020-04-03
Anticipated expiration: 2029-04-02

Abstract

The utility model discloses a zirconium sizing mouth of a river convenient to change, including the mouth of a river and lower mouth of a river, the mouth of a river top is inlayed and is established in the middle of the package bottom, and lower mouth of a river upper surface and the laminating of mouth of a river lower surface evenly are equipped with four first branches in mouth of a river bottom side, and lower mouth of a river top side evenly is equipped with four second branches, and the mouth of a river upper surface is equipped with the locating lever about the central line symmetry. Compared with the prior art, the beneficial effects of the utility model are that: at first, through establishing the sizing mouth of a river into two upper and lower parts, and, the internal diameter of the sizing mouth of a river of upper portion is greater than the minimum internal diameter of lower part, makes when changing, and the mouth of a river of going up can not need to be changed, thereby unpacks apart the coupling part of sizing mouth of a river and middle package when avoiding changing, makes the change mouth of a river become simple, and at last, through two locating levers that are equipped with, can be so that the stopper rod is accurate find the open position on first zirconium layer, thereby can be accurate plug up first zirconium layer.

Description

Zirconium metering nozzle convenient to replace

Technical Field

The utility model relates to a sizing mouth of a river field specifically is a zirconium sizing mouth of a river convenient to change.

Background

The metering nozzle is one of refractory materials for continuous casting of 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.

But current sizing mouth of a river simple structure just inlays and establishes in the middle package bottom, considers anti-drop nature, dismantles and the installation is more difficult, and simultaneously when changing, the middle package opening part need use the stopper stick to block up, avoids the molten steel outflow, but current molten steel blocking device does not be equipped with positioner, is difficult to find the opening of middle package.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a zirconium sizing mouth of a river convenient to change to solve the problem that proposes among the above-mentioned background art.

In order to achieve the purpose, the utility model provides a zirconium sizing mouth of a river convenient to change, including last mouth of a river and lower mouth of a river, the top of going up the mouth of a river inlays and establishes in the middle package bottom, and lower mouth of a river upper surface is laminated with the last mouth of a river lower surface, it evenly is equipped with four first branches to go up mouth of a river bottom side, lower mouth of a river top side evenly is equipped with four second branches, four first screw hole and second screw hole have all been seted up on the first branch, four third screw hole has all been seted up on the second branch, four first screw hole passes through high temperature resistant screwed connection with the third screw hole that corresponds respectively, it is equipped with the locating lever about the central line symmetry to go up the mouth of a river upper surface.

Further, the water feeding port is of a cylindrical structure, and a first outer cladding layer and a first zirconium layer are arranged from outside to inside.

Furthermore, the lower nozzle is of a circular truncated cone-shaped structure, and a second outer cladding and a second zirconium layer are arranged from outside to inside.

Further, the radius of the top of the second zirconium layer is larger than that of the first zirconium layer, and the radius of the bottom of the second zirconium layer is smaller than that of the first zirconium layer.

Furthermore, the length of the positioning rod is greater than the depth of the tundish, and the positioning rod is of an inverted L-shaped structure.

Further, first screw hole is the screw hole, third screw hole is the through-hole, high temperature resistant screw runs through third screw hole and first screw hole threaded connection.

Furthermore, the second screw hole is a through hole, and the high-temperature-resistant screw penetrates through the second screw hole and is connected with the bottom of the tundish.

Further, the distance between the first supporting rod and the second supporting rod is larger than the height of a nut of the high-temperature-resistant screw.

Compared with the prior art, the beneficial effects of the utility model are that: first, through establishing the sizing mouth of a river into upper and lower two parts, and, the internal diameter of the sizing mouth of a river of upper portion is greater than the minimum internal diameter of lower part, make during the change, the water feeding mouth of a river can not need to be changed, thereby take apart the coupling part of sizing mouth of a river and middle package when avoiding changing, make the change mouth of a river become simple, in addition, through a plurality of screw holes that are equipped with, and through being connected between high temperature resistant screw enhancement middle package and water feeding mouth of a river and the lower mouth of a river, thereby can prevent that the sizing mouth of a river from coming off from the middle package, and finally, through two locating levers that are equipped with, can make the stopper rod accurate find the open position on first zirconium layer, thereby can be accurate plug up first zirconium layer.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the overall appearance structure of the present invention;

fig. 3 is a schematic view of the down nozzle of the present invention.

In the figure: 1. a tundish; 2. a water feeding port; 3. a first zirconium layer; 4. positioning a rod; 5. A first outer cladding; 6. a second screw hole; 7. a second zirconium layer; 8. a second outer cladding layer; 9. A water outlet; 10. a second support bar; 11. high-temperature resistant screws; 12. a third screw hole; 13. A first support bar; 14. a first screw hole.

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 zirconium metering nozzle convenient to replace comprises an upper nozzle 2 and a lower nozzle 9, wherein the metering nozzle is disassembled into the upper nozzle 2 and the lower nozzle 9, so that the upper nozzle 2 does not need to be replaced when in replacement, the lower nozzle 9 can be replaced, the connecting part of the metering nozzle and a tundish 1 is prevented from being disassembled when in replacement, the top of the upper nozzle 2 is embedded at the bottom of the tundish 1, the upper surface of the lower nozzle 9 is attached to the lower surface of the upper nozzle 2, four first supporting rods 13 are uniformly arranged on the side surface of the bottom of the upper nozzle 2, four second supporting rods 10 are uniformly arranged on the side surface of the top of the lower nozzle 9, first screw holes 14 and second screw holes 6 are respectively arranged on the four first supporting rods 13, third screw holes 12 are respectively arranged on the four second supporting rods 10, the four first screw holes 14 are respectively connected with the corresponding third screw holes 12 through high-temperature resistant screws 11, so that the lower surface of the upper nozzle 2 can be closely attached to the upper surface of the lower nozzle, prevent down the mouth of a river 9 and drop, go up 2 upper surfaces of mouth of a river and be equipped with locating lever 4 about the central line symmetry, can be so that the stopper rod is accurate finds the open position of first zirconium matter layer 3 to can be accurate block up first zirconium matter layer 3, reduce the used time of change sizing mouth of a river.

Further, the water feeding port 2 is of a cylindrical structure, and a first outer cladding 5 and a first zirconium layer 3 are arranged from outside to inside.

Further, the lower nozzle 9 is of a circular truncated cone-shaped structure, and a second outer cladding 8 and a second zirconium layer 7 are arranged from outside to inside.

Further, the top radius of second zirconium layer 7 is greater than the radius of first zirconium layer 3, prevents that the molten steel from revealing from the junction between last mouth of a river 2 and lower mouth of a river 9, and the bottom radius of second zirconium layer 7 is less than the radius of first zirconium layer 3 for when this metering mouth of a river uses, lower mouth of a river 9 can play decisive role, makes last mouth of a river 2 only play the effect of installation lower mouth of a river 9.

Further, the length of locating lever 4 is greater than the degree of depth of middle package 1 to make the stopper rod can install on locating lever 4, and locating lever 4 is the structure of falling L, the installation stopper rod of being convenient for.

Further, first screw hole 14 is the screw hole, and third screw hole 12 is the through-hole, and high temperature resistant screw 11 runs through

third screw hole

12 and 14 threaded connection of first screw hole, is convenient for install high temperature resistant screw 11.

Further, second screw hole 6 is the through-hole, and high temperature resistant screw 11 runs through second screw hole 6 and is connected with middle package 1 bottom, strengthens being connected of water inlet 2 and middle package 1 to can prevent that water inlet 2 from droing from middle package 1.

Further, the distance between the first supporting rod 13 and the second supporting rod 10 is larger than the height of the nut of the high-temperature-resistant screw 11, so that the situation that the upper nozzle 2 and the lower nozzle 9 are not tightly attached to each other after installation is avoided.

The working principle is as follows: when the metering nozzle is used, firstly, the upper nozzle 2 is installed on the tundish 1 through the high-temperature-resistant screw 11, secondly, the lower nozzle 9 is installed on the lower nozzle 9 through the high-temperature-resistant screw 11, whether the connection between the lower surface of the upper nozzle 2 and the upper surface of the lower nozzle 9 is completely attached is checked, in the using process, because the inner diameter of the upper nozzle 2 is smaller than the inner diameter of the top of the lower nozzle 9, molten steel can be gathered in the second zirconium layer 7 when flowing, in addition, because the inner diameter of the upper nozzle 2 is larger than the inner diameter of the bottom of the lower nozzle 9, the inner diameter of the bottom of the lower nozzle 9 plays a decisive role in controlling the flow rate of the molten steel, thereby the influence of the inner diameter of the upper nozzle 2 is weakened, the upper nozzle 2 does not need to be frequently replaced, and then the nozzle is used for a certain time, the lower nozzle 9 can be replaced, after the opening of the first zirconium layer 3 locked by the positioning rod 4, the opening of the first zirconium layer 3 is blocked by the stopper rod, the screw on the surface of the second supporting rod 10 is loosened, and the lower nozzle 9 can be detached, and after the detachment, a new lower nozzle 9 is installed.

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

1. The utility model provides a zirconium metering nozzle convenient to change, includes mouth of a river (2) and end mouth of a river (9) down, its characterized in that: go up mouth of a river (2) top and inlay and establish in middle package (1) bottom, lower mouth of a river (9) upper surface and the laminating of last mouth of a river (2) lower surface, it evenly is equipped with four first branch (13) to go up mouth of a river (2) bottom side, lower mouth of a river (9) top side evenly is equipped with four second branch (10), four all seted up first screw hole (14) and second screw hole (6) on first branch (13), four third screw hole (12), four have all been seted up on second branch (10) first screw hole (14) are connected through high temperature resistant screw (11) with third screw hole (12) that correspond respectively, it is equipped with locating lever (4) about the central line symmetry to go up mouth of a river (2) upper surface.

2. A zirconium metering nozzle as claimed in claim 1 which is readily replaceable, wherein: the upper nozzle (2) is of a cylindrical structure, and is provided with a first outer cladding layer (5) and a first zirconium layer (3) from outside to inside.

3. A zirconium metering nozzle as claimed in claim 2 which is readily replaceable, wherein: the lower water gap (9) is of a circular truncated cone-shaped structure, and a second outer cladding (8) and a second zirconium layer (7) are arranged from outside to inside.

4. A zirconium metering nozzle as claimed in claim 3 which is readily replaceable, wherein: the radius of the top of the second zirconium layer (7) is larger than that of the first zirconium layer (3), and the radius of the bottom of the second zirconium layer (7) is smaller than that of the first zirconium layer (3).

5. A zirconium metering nozzle as claimed in claim 1 which is readily replaceable, wherein: the length of the positioning rod (4) is greater than the depth of the tundish (1), and the positioning rod (4) is of an inverted L-shaped structure.

6. A zirconium metering nozzle as claimed in claim 1 which is readily replaceable, wherein: the first screw hole (14) is a threaded hole, the third screw hole (12) is a through hole, and the high-temperature-resistant screw (11) penetrates through the third screw hole (12) and is in threaded connection with the first screw hole (14).

7. A zirconium metering nozzle as claimed in claim 1 which is readily replaceable, wherein: the second screw hole (6) is a through hole, and the high-temperature-resistant screw (11) penetrates through the second screw hole (6) and is connected with the bottom of the tundish (1).

8. A zirconium metering nozzle as claimed in claim 1 which is readily replaceable, wherein: the distance between the first support rod (13) and the second support rod (10) is larger than the height of a nut of the high-temperature-resistant screw (11).