CN218503342U

CN218503342U - Immersion type water gap baking box with built-in resistance wire protection frame

Info

Publication number: CN218503342U
Application number: CN202222129434.4U
Authority: CN
Inventors: 王田; 任海; 杨超; 彭雄
Original assignee: Chongqing Iron and Steel Co Ltd
Current assignee: Chongqing Iron and Steel Co Ltd
Priority date: 2022-08-12
Filing date: 2022-08-12
Publication date: 2023-02-21
Anticipated expiration: 2032-08-12

Abstract

The utility model relates to an immersion nozzle of built-in resistance wire fender bracket toasts case, belong to continuous casting auxiliary equipment technical field, including immersion nozzle toast the case and place immersion nozzle in the fender bracket of toasting the incasement chamber in, the fender bracket includes the bottom plate, respectively along bottom plate length direction and bottom plate welded fastening violently manage I, violently manage I upper and lower parallel arrangement two, and two violently manage equidistant welded fastening between I and have a plurality of risers, the fender bracket is close to one side opening setting of toasting the chamber door, parallel arrangement is respectively with the violently pipe II of standpipe and bottom plate welded fastening from top to bottom with opening corresponding one side, through the fender bracket, can fix the immersion nozzle that needs toast toasting in toasting incasement chamber safety position, effectively stopped the mouth of a river and the direct contact who probably exists with the resistance wire in-process of taking, realize that the staff takes safely, when eliminating staff's the electric shock risk, the extension toasts incasement resistance wire life-span, guarantee the immersion nozzle quality, and improve work efficiency.

Description

Immersion type water gap baking box with built-in resistance wire protection frame

Technical Field

The utility model belongs to the technical field of the continuous casting auxiliary assembly, a immersion nozzle who embeds the resistance wire fender bracket toasts the case is related to, especially relates to a regional immersion nozzle of continuous casting toasts case resistance wire fender bracket.

Background

The existing submerged nozzle baking oven comprises the following components:

(1) The shell is made of high-quality cold-rolled steel plates, the surface plastic spraying technology is used for disposal, the furnace door is in a side-open type layout, and opening and closing are sensitive.

(2) The medium-temperature box type resistance furnace adopts a closed type hearth, and is wound in the four walls of the hearth after being made into a spiral shape by taking electrothermal alloy wires as heating elements, so that the furnace temperature is uniform during heat dissipation, and the service life is prolonged.

(3) The high-temperature tubular resistance furnace selects a high-temperature combustion tube, and a silicon-carbon rod is used as a heating element and is arranged in the hearth outer sleeve.

(4) The high-temperature box type resistance furnace takes the silicon-carbon rod as a heating element, is directly arranged in the hearth, and has high heat utilization rate.

(5) The heat insulating material of the resistance furnace is made of light heat insulating bricks and aluminum silicate fiber cotton, so that the heat storage capacity and the heat conductivity coefficient of the heat insulating material are reduced, the heat storage capacity of the hearth is large, the temperature rise time is shortened, the surface temperature rise is low, the empty furnace loss rate is low, and the power consumption is also greatly reduced.

(6) The controller of the box type resistance furnace comprises: pointer type, digital display type, and microcomputer multiband control type.

The temperature in the furnace can reach 800-1100 ℃, and the submerged nozzle is taken by field staff by extending a crow bar into a submerged nozzle bowl. The existing baking oven is not provided with an inner cavity protection frame, and when a worker extends into a water inlet bowl part by using a crowbar, the worker is very easy to approach/touch an electrified resistance wire, so that electric shock accidents of the worker are caused, and the risk of electric shock of the worker is caused; the position of the resistance wire touched by the crowbar and the submersed nozzle moves relatively and then becomes loose, the resistance wire falls out of the clamping groove, the nozzle in the baking box is baked unevenly, the submersed nozzle is baked with poor quality, and the production of a continuous casting machine is influenced; the resistance wire falling out of the clamping groove is heated up for a long time and cooled down after power failure, the phenomenon that the resistance wire is easy to break after expansion with heat and contraction with cold is easily caused, the normal baking of the water gap is influenced after the resistance wire is broken, the normal production of a casting machine is further influenced, the maintenance time is up to 48 hours, the installation space is narrow and small, and the difficulty is high.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model discloses a solve present baking oven and not design the inner chamber fender bracket, and lead to the staff to take the mouth of a river in-process very easily to be close/touch electrified resistance wire, the mouth of a river can not toast safely and the problem of taking provides a built-in resistance wire fender bracket's immersion nozzle baking oven.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides an immersion nozzle of built-in resistance wire fender bracket toasts case, including immersion nozzle toasts the case and place the fender bracket of immersion nozzle toasts the case inner chamber in and, the fender bracket includes the bottom plate, respectively along bottom plate length direction and bottom plate welded fastening violently manage I, the violently pipe I of violently managing of every side about parallel arrangement two, and equidistance welded fastening has a plurality of risers between two violently manage I, the fender bracket is close to one side opening setting that toasts the chamber door, parallel arrangement about one side corresponding with the opening respectively with standpipe and bottom plate welded fastening violently manage II.

The beneficial effect of this basic scheme lies in: through the bottom plate, violently manage I, standpipe and violently manage the fender bracket that II reciprocal anchorage constitutes, can fix the immersion nozzle that needs toasted toasting incasement chamber safety position, effectively stopped the mouth of a river toast with the in-process of taking and the direct contact that the resistance wire probably exists, when realizing that the staff safety takes, eliminates staff's electric shock risk, the extension toasts incasement resistance wire life-span, evenly toasts the incasement temperature, guarantees the immersion nozzle and toasts the quality, improves work efficiency, effectively reduces production incident and takes place.

Furthermore, the space between the outer frame of the protective frame and the inner cavity wall of the baking box is 5-200mm.

Furthermore, the fender bracket is made of high-temperature resistant metal.

Furthermore, the cross pipe I, the vertical pipe and the cross pipe II adopt seamless stainless steel pipes with the caliber of 10mm, the length of 123 +/-3 mm, the width of 50 +/-2 mm and the height of 32.5 +/-2 mm. Has the advantages that: lightweight and resistant to deformation by gravity at high temperatures.

Furthermore, six vertical seamless tubes are adopted near the two sides of the resistance wire of the baking box to separate the protective frame and the resistance wire, and the separation distance between the seamless tubes is 5-200mm. Has the advantages that: effectively putting an end to the possible direct contact with the resistance wire in the process of baking and taking the water gap.

Furthermore, the upper and lower four corners of the protection frame are respectively chamfered. Has the advantages that: the damage of the protective frame to the baking box is prevented.

The beneficial effects of the utility model reside in that:

1. the utility model discloses the immersion nozzle of built-in resistance wire fender bracket toasts case, through the bottom plate, violently manage I, standpipe and violently manage the fender bracket that II reciprocal anchorage constitutes, can fix the immersion nozzle that needs toasted and toast incasement chamber safe position, can fix the immersion nozzle that needs toast and toast incasement chamber safe position, has effectively stopped the mouth of a river toast and the in-process of taking and the direct contact that the resistance wire probably exists, realizes that staff's safety takes, eliminates staff's electric shock risk.

2. The utility model discloses immersion nozzle baking oven of built-in resistance wire fender bracket through set up the resistance wire fender bracket in baking oven's inner chamber, and the extension is baked incasement resistance wire life-span, evenly toasts the incasement temperature, guarantees the immersion nozzle and toasts the quality, improves work efficiency, effectively reduces the production incident and takes place.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention will be realized and attained by the specification which follows.

Drawings

For the purposes of promoting a better understanding of the objects, features and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic structural view of a protective frame in an immersion nozzle baking oven with a built-in resistance wire protective frame of the present invention;

fig. 2 is the utility model discloses the use schematic diagram of the immersion nozzle baking oven of built-in resistance wire fender bracket.

Reference numerals: bottom plate 1, violently pipe I2, standpipe 3, violently pipe II4, mouth of a river 5.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the features in the following embodiments and examples may be combined with each other without conflict.

Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in any way limiting the scope of the invention; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numbers in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", "front", "back", etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but not for indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore the terms describing the positional relationship in the drawings are only used for illustrative purposes, and should not be construed as limitations of the present invention, and it will be understood that specific meanings of the above terms can be understood by those skilled in the art according to specific situations.

The submerged nozzle baking box with the built-in resistance wire protection frame comprises the submerged nozzle baking box and the protection frame arranged in the inner cavity of the submerged nozzle baking box, the space between the size of the outer frame of the protection frame and the inner cavity wall of the baking box is 5-200mm, the protection frame is made of high-temperature-resistant metal materials, such as 310 and 310S stainless steel, the protection frame comprises a bottom plate 1, transverse pipes I2 which are fixedly welded with the bottom plate 1 along the length direction of the bottom plate 1 respectively, the two transverse pipes I2 on each side are arranged in an up-and-down parallel mode, nine vertical pipes 3 are fixedly welded between the two transverse pipes I2 at equal intervals, the protection frame is close to one side opening of the baking box door, transverse pipes II4 which are fixedly welded with the vertical pipes 3 and the bottom plate 1 respectively are arranged in an up-and-down parallel mode on one side corresponding to the opening, the two sides close to the resistance wire of the baking box are provided with vertical or horizontal six seamless partition pipes for blocking the protection frame and the resistance wire, the seamless pipes at intervals of 5-200mm, and the direct contact with the baking box in the taking process which can exist is effectively avoided.

Violently manage I2, standpipe 3 and violently manage II4 and adopt the bore to be 10mm, long for 123 + -3 mm, wide for 50 + -2 mm, high for 32.5 + -2 mm's seamless stainless steel pipe, the deformation of anti self gravity under lightweight and the high temperature.

The upper and lower four corners of the protection frame are respectively provided with chamfers, so that the protection frame is prevented from damaging the baking oven.

This submerged nozzle of built-in resistance wire fender bracket toasts case when using, at first place prefabricated fender bracket in toasting the inner chamber of case, fender bracket frame size is 5-200mm with toasting incasement chamber wall interval, and adopt perpendicular or horizontally six seamless pipes to separate fender bracket and resistance wire and seamless pipe spacing distance 5-200mm being close to toasting case resistance wire both sides, the mouth of a river 5 that will toast is placed in the fender bracket, toast, when the staff took mouth of a river 5, owing to set up the fender bracket, effectively stopped mouth of a river 5 toast and the direct contact that probably exists with the resistance wire of in-process of taking, realize that the staff takes safely, eliminate the staff risk of electric shock.

Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the scope of the claims of the present invention.

Claims

1. The utility model provides an immersion nozzle toasts case of built-in resistance wire fender bracket, its characterized in that, includes immersion nozzle toasts the case and places immersion nozzle toasts the fender bracket of incasement chamber in and, the fender bracket includes the bottom plate, respectively along bottom plate length direction and bottom plate welded fastening violently manage I, every side violently manage I's upper and lower parallel arrangement two, and equidistant welded fastening has a plurality of risers between two violently manage I, the fender bracket is close to one side opening setting of toasting the chamber door, with parallel arrangement about one side that the opening is corresponding respectively with standpipe and bottom plate welded fastening violently manage II.

2. The submerged nozzle baking oven with the built-in resistance wire protection bracket as recited in claim 1, characterized in that the space between the outer frame of the protection bracket and the inner cavity wall of the baking oven is 5-200mm.

3. The submerged nozzle baking box with the built-in resistance wire protection frame as claimed in claim 2, wherein the protection frame is made of high temperature resistant metal.

4. The submerged nozzle baking box with the built-in resistance wire protection bracket as recited in claim 1, characterized in that the cross tube I, the vertical tube and the cross tube II are seamless stainless steel tubes with the caliber of 10mm, the length of 123 ± 3mm, the width of 50 ± 2mm and the height of 32.5 ± 2 mm.

5. The submerged nozzle baking oven with the built-in resistance wire protection bracket as recited in claim 1, characterized in that six vertical seamless tubes are used near the two sides of the resistance wire of the baking oven to separate the protection bracket from the resistance wire and the interval distance between the seamless tubes is 5-200mm.

6. The submerged nozzle baking box with the built-in resistance wire protection bracket as recited in claim 1, wherein the upper and lower four corners of the protection bracket are chamfered respectively.