Air hole water jacket capable of rotatably adjusting blowing angle and used for side-blown converter

Abstract

The utility model discloses an air hole water jacket capable of rotatably adjusting a blowing angle for a side blowing furnace, which is provided with an air hole water jacket body, and the air hole water jacket body comprises a cone frustum arranged in a conical hole of a side blowing furnace body; the outer end of the cone frustum is provided with the spray gun connecting part integrally formed with the cone frustum, and the spray gun connecting part is used for being connected with a spray gun connecting structure; an included angle is formed between the axis of the inclined through hole and the axis of the cone frustum, and the inclined through hole penetrates through the cone frustum and the spray gun connecting part; the inclined through hole and the axis of the cone frustum form the included angle, so that the angle of the inclined through hole in the cone frustum can be adjusted when the cone frustum is rotated, the structure is simple and reasonable, the structure is simple, the operation is convenient, the cost is low, the production efficiency is high, and the production cost is low. Inclined through hole blowing airflow impact coverage area is increased, an airflow stirring dead zone is improved, the blowing effect is enhanced, and the smelting efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of tuyere water jackets, in particular to a tuyere water jacket used in a side-blowing furnace and capable of rotating to adjust a spraying angle. Background Art

[0002] During the smelting process of the side-blown furnace, the spray gun is inserted into the tuyere water jacket through the spray gun connection structure and sprays oxygen-rich air to blow the melt to improve the smelting efficiency. The existing tuyere water jacket is fixed, and the axis of the tuyere oblique through hole coincides with the axis of the truncated cone and is perpendicular to the copper plate of the furnace wall, resulting in a single spray angle of the spray gun, a limited impact coverage area of ​​the spray airflow, and a dead zone of airflow stirring, which affects the blowing effect. In order to solve the above problems, a tuyere water jacket with a rotatable spray angle for a side-blown furnace is proposed. Summary of the invention

[0003] The utility model aims to solve the above problems and provides a tuyere water jacket for a side-blowing furnace which can rotate to adjust the spraying angle.

[0004] The specific scheme of the utility model is: a tuyere water jacket for a side-blowing furnace that can rotate to adjust the spraying angle, having a tuyere water jacket body, the tuyere water jacket body comprising:

[0005] A frustum, which is arranged in the conical hole of the side-blowing furnace body and is rotatably connected thereto;

[0006] A spray gun connection part, wherein the outer end of the truncated cone is provided with a spray gun connection part integrally formed therewith;

[0007] An oblique through hole, wherein the axis of the oblique through hole and the axis of the truncated cone form an angle with each other, and the oblique through hole passes through the connection portion between the truncated cone and the spray gun;

[0008] A mounting plate is arranged between the truncated cone and the spray gun connecting part. A locking mechanism is arranged on the outer side of the mounting plate, and the locking mechanism is used to lock and fix the mounting plate.

[0009] Furthermore, the locking mechanism includes: a water jacket fixing flange plate, the water jacket fixing flange plate is an annular structure, the water jacket fixing flange plate passes through the spray gun connecting part and is pressed onto the mounting plate, and locking screws are provided on the circumference of the water jacket fixing flange plate, which is threadedly connected to the side-blowing furnace body through the locking screws.

[0010] Furthermore, a spray gun connection structure is provided at the rear end of the spray gun connection part, the spray gun connection structure is provided with a spray gun internal passage, the spray gun connection structure is connected to the spray gun connection part through a connection flange, and the spray gun internal passage is communicated with the oblique through hole. A clamping ring is provided outside the connection flange, a clamping screw is provided on the clamping ring, and the clamping screw is threadedly connected to the spray gun connection part.

[0011] Furthermore, the axis of the spray gun connection portion is concentric with the axis of the oblique through hole, and one end of the oblique through hole facing the frustum is aligned with the center of the frustum.

[0012] Furthermore, the mounting plate is a circular plate, and the axis of the circular plate is concentric with the axis of the frustum.

[0013] Furthermore, a rotating handle is provided on the outer circumference of the spray gun connecting part.

[0014] The utility model has the following beneficial effects:

[0015] The utility model forms an angle between the inclined through hole and the axis of the truncated cone, so that when the truncated cone is rotated, the angle of the inclined through hole on the truncated cone is adjusted accordingly. The utility model has a simple and reasonable structure, increases the impact coverage area of ​​the airflow sprayed from the inclined through hole, improves the dead zone of airflow stirring, enhances the blowing effect, and improves the smelting efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of the wind eye water jacket of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the utility model installed on a side-blowing furnace body;

[0018] In the figure: 1. frustum; 2. side-blowing furnace body; 201. conical hole; 3. spray gun connection; 4. oblique through hole; 5. mounting plate; 6. spray gun connection structure; 601. spray gun inner passage; 7. connecting flange; 701. clamping ring; 702. clamping screw; 8. rotating handle; 9. locking mechanism; 901. water jacket fixing flange plate; 902. locking screw. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0021] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing in the full text includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or a scheme that satisfies both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0022] Please refer to Figure 1-Figure 2 , A tuyere water jacket for a side-blown furnace capable of rotating to adjust the spraying angle, comprising a tuyere water jacket body, the tuyere water jacket body comprising:

[0023] A truncated cone 1, wherein the truncated cone 1 is disposed in the conical hole 201 of the side-blowing furnace body 2 and is rotatably connected thereto;

[0024] A spray gun connection part 3, wherein the outer end of the truncated cone 1 is provided with a spray gun connection part 3 integrally formed therewith;

[0025] An oblique through hole 4, wherein the axis of the oblique through hole 4 and the axis of the truncated cone 1 form an angle with each other, and the oblique through hole 4 passes through the truncated cone 1 and the spray gun connecting portion 3;

[0026] The mounting plate 5 is arranged between the truncated cone 1 and the spray gun connecting part 3 . A locking mechanism 9 is arranged on the outer side of the mounting plate 5 . The locking mechanism 9 is used to lock and fix the mounting plate 5 .

[0027] In this embodiment, the locking mechanism includes: a water jacket fixing flange plate 901, the water jacket fixing flange plate 901 is an annular structure, the water jacket fixing flange plate 901 passes through the spray gun connecting part 3, and is pressed onto the mounting plate 5. The water jacket fixing flange plate 901 is provided with a locking screw 902 on its circumference, and is threadedly connected to the side-blowing furnace body 2 through the locking screw 902.

[0028] In this embodiment, a spray gun connection structure 6 is provided at the rear end of the spray gun connection part 3, and the spray gun connection structure 6 is provided with a spray gun internal channel 601, and the spray gun connection structure 6 is connected to the spray gun connection part 3 through a connecting flange 7, and the spray gun internal channel 601 is communicated with the oblique through hole 4. The connecting flange 7 is provided with a clamping ring 701 on the outside, and a clamping screw 702 is provided on the clamping ring 701, which is threadedly connected to the spray gun connection part 3 through the clamping screw 702.

[0029] In this embodiment, the axis of the spray gun connection portion 3 is concentric with the axis of the oblique through hole 4 , and the oblique through hole 4 is aligned with the center of the truncated cone 1 at one end thereof.

[0030] In this embodiment, the mounting plate 5 is a circular plate, and the axis of the circular plate is concentric with the axis of the frustum 1 .

[0031] In this embodiment, a rotating handle 8 is provided on the outer circumference of the spray gun connecting portion 3 .

[0032] The utility model has the following beneficial effects:

[0033] The utility model forms an angle between the oblique through hole 4 and the axis of the truncated cone 1, so that when the truncated cone 1 is rotated, the angle of the oblique through hole 4 on the truncated cone 1 is adjusted accordingly. The utility model has a simple and reasonable structure, increases the impact coverage area of ​​the airflow sprayed from the oblique through hole 4, improves the dead zone of airflow stirring, enhances the blowing effect, and improves the smelting efficiency.

Claims

1. A tuyere water jacket for a side-blown furnace capable of rotating to adjust the spraying angle, comprising a tuyere water jacket body, characterized in that: The air eye water jacket body comprises: A frustum, which is arranged in the conical hole of the side-blowing furnace body and is rotatably connected thereto; A spray gun connection part, wherein the outer end of the truncated cone is provided with a spray gun connection part integrally formed therewith; An oblique through hole, wherein the axis of the oblique through hole and the axis of the truncated cone form an angle with each other, and the oblique through hole passes through the connection portion between the truncated cone and the spray gun; A mounting plate is arranged between the truncated cone and the spray gun connecting part. A locking mechanism is arranged on the outer side of the mounting plate, and the locking mechanism is used to lock and fix the mounting plate.

2. The tuyere water jacket capable of rotating and adjusting the spraying angle for a side-blown furnace according to claim 1, characterized in that: The locking mechanism includes: a water jacket fixing flange plate, which is an annular structure. The water jacket fixing flange plate passes through the spray gun connecting part and is pressed onto the mounting plate. The water jacket fixing flange plate is provided with locking screws on its circumference and is threadedly connected to the side-blowing furnace body through the locking screws.

3. The tuyere water jacket capable of rotating and adjusting the spraying angle for a side-blown furnace according to claim 1, characterized in that: A spray gun connection structure is provided at the rear end of the spray gun connection part. The spray gun connection structure is provided with a spray gun inner passage. The spray gun connection structure is connected to the spray gun connection part through a connecting flange, and the spray gun inner passage is communicated with the oblique through hole.

4. The tuyere water jacket capable of rotating and adjusting the spraying angle for a side-blown furnace according to claim 1, characterized in that: The axis center of the spray gun connection portion is concentric with the axis center of the oblique through hole, and the oblique through hole is aligned with the center of the truncated cone at one end thereof.

5. The tuyere water jacket capable of rotating and adjusting the spraying angle for a side-blown furnace according to claim 1, characterized in that: The mounting plate is a circular plate, and the axis of the circular plate is concentric with the axis of the frustum.

6. The tuyere water jacket capable of rotating and adjusting the spraying angle for a side-blown furnace according to claim 1, characterized in that: A rotating handle is arranged on the outer circumference of the spray gun connecting part.

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