CN216409770U

CN216409770U - Replaceable gun core

Info

Publication number: CN216409770U
Application number: CN202121784766.5U
Authority: CN
Inventors: 李国丰; 刘彬鑫; 张艳
Original assignee: Tianjin Fufeng Environmental Protection Technology Co ltd
Current assignee: Tianjin Fufeng Environmental Protection Technology Co ltd
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2022-04-29
Anticipated expiration: 2031-08-03

Abstract

The utility model relates to a replaceable gun core, which belongs to the technical field of electric furnace smelting and comprises an outer copper head, a transition pipe A, a gas pipe, a first flange, a fuel inlet pipe, an inner copper head, a transition pipe B, a main oxygen pipe, a second flange and a gas inlet pipe. The transition pipe A and the transition pipe B are respectively arranged at the end part of the gas pipe and the end part of the main oxygen pipe, so that the gas pipe is in threaded connection with the copper head, only the copper head part needs to be replaced after the gas pipe and the main oxygen pipe are worn, the operation is simple and labor-saving, the overall replacement cost of the gun core and the labor intensity of workers are reduced, the stability of bundling oxygen supply is improved, and the production cost of steelmaking is reduced.

Description

Replaceable gun core

Technical Field

The utility model belongs to the technical field of electric furnace smelting, and particularly relates to a replaceable gun core.

Background

The electric arc furnace steelmaking technology in China is widely popularized all over, wherein the coherent oxygen supply technology is a key technology in electric furnace smelting, a coherent jet oxygen lance is core equipment for smelting, and a jet gun core is the core of the equipment. The jet flow gun core is generally welded, the gun core needs to be replaced completely after being damaged, the replacement process is complex, the labor intensity of workers is increased, and the use cost is increased, so that a replaceable gun core needs to be designed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a replaceable gun core, aiming at solving the problems that the existing jet gun core is welded, the damage and the replacement are difficult and the use cost is increased.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a can replace rifle core, includes outer copper head, transition pipe A, gas pipe, a flange, advances to fire pipe, interior copper head, transition pipe B, main oxygen pipe, No. two flanges and intake pipe, outer copper head with transition pipe A's one end threaded connection, transition pipe A's the other end with gas union coupling is located gas pipe's tip periphery is provided with a flange with advance to fire the pipe, gas pipe's inside cavity is provided with main oxygen pipe, main oxygen pipe's left end with transition pipe B's one end links to each other, transition pipe B's the other end pass through the screw thread with interior copper head is connected, main oxygen pipe's right-hand member with intake-tube connection is located main oxygen pipe's periphery is provided with No. two flanges, a flange with No. two flanges link to each other.

Further, sealant is smeared between the outer copper head and the inner copper head and between the transition pipe A and the transition pipe B.

Further, a plurality of gas holes are processed on the gas pipe.

Further, the fuel inlet pipe and the fuel gas pipe are vertically arranged.

The utility model has the following beneficial effects for the prior art:

the transition pipe A and the transition pipe B are respectively arranged at the end part of the gas pipe and the end part of the main oxygen pipe, so that the threaded connection with the copper head is realized, only the copper head part needs to be replaced after the wear, the operation is simple and labor-saving, the integral replacement cost of the gun core and the labor intensity of workers are reduced, the stability of bundling oxygen supply use is improved, and the production cost of steelmaking is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic view of a gas pipe connection structure;

FIG. 2 is a schematic view of the connection structure of the main oxygen pipe;

FIG. 1-outer copper head; 2-transition tube A; 3-a gas pipe; 4-flange number one; 5-a combustion inlet pipe; 6-inner copper head; 7-transition tube B; 8-main oxygen pipe; 9-flange II; 10-an air inlet pipe; 11-gas hole.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The embodiment is described with reference to fig. 1 and 2, and a replaceable gun core includes an outer copper head 1, a transition pipe a2, a gas pipe 3, a first flange 4, a fuel inlet pipe 5, an inner copper head 6, a transition pipe B7, a main oxygen pipe 8, a second flange 9 and a gas inlet pipe 10, wherein the outer copper head 1 is connected with one end of the transition pipe a2 by a screw thread, the other end of the transition pipe a2 is connected with the gas pipe 3, the first flange 4 and the fuel inlet pipe 5 are arranged on the periphery of the end portion of the gas pipe 3, the main oxygen pipe 8 is arranged in the gas pipe 3 in a hollow manner, the left end of the main oxygen pipe 8 is connected with one end of the transition pipe B7, the other end of the transition pipe B7 is connected with the inner copper head 6 by a screw thread, the right end of the main oxygen pipe 8 is connected with the gas inlet pipe 10, the second flange 9 is arranged on the periphery of the main oxygen pipe 8, the first flange 4 is connected with the second flange 9; so set up, gas pipe 3 is hollow structure with main oxygen pipe 8, and main oxygen pipe 8 arranges the inside of gas pipe 3 in after the cooperation installation in to the position of main oxygen pipe 8 has been injectd through being connected of a flange 4 and No. two flanges 9, stability when increasing the use, gas pipe 3 all has the copper head through transition pipe threaded connection with main oxygen pipe 8's tip, can be convenient for like this change, has reduced the manufacturing cost of steelmaking.

Optimally, sealant is smeared between the outer copper head 1 and the inner copper head 6 and between the transition pipe A2 and the transition pipe B7, so that the connection tightness can be improved.

Preferably, a plurality of gas holes 11 are processed on the gas pipe 3, and the gas holes are used for the circulation and dispersion of gas.

Optimally, the fuel inlet pipe 5 and the fuel gas pipe 3 are vertically arranged, and the vertical structure can enable the fuel inlet pipe to be more smooth.

According to the arrangement, a gas channel is formed after the outer copper head 1, the transition pipe A2, the gas pipe 3, the first flange 4 and the fuel inlet pipe 5 are assembled and installed, and gas enters from the fuel inlet pipe 5 and then is discharged out of the outer copper head 2 and sprayed out; interior copper head 6, transition pipe B7, main oxygen pipe 8, No. two flanges 9 and intake pipe 10 form an oxygen passageway through composite erection back, and oxygen gets into by intake pipe 10, and the department blowout through a flange 4 afterwards.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A replaceable gun core is characterized by comprising an outer copper head (1), a transition pipe A (2), a gas pipe (3), a first flange (4), a combustion inlet pipe (5), an inner copper head (6), a transition pipe B (7), a main oxygen pipe (8), a second flange (9) and an air inlet pipe (10), wherein the outer copper head (1) is in threaded connection with one end of the transition pipe A (2), the other end of the transition pipe A (2) is connected with the gas pipe (3), the first flange (4) and the combustion inlet pipe (5) are arranged on the periphery of the end portion of the gas pipe (3), the main oxygen pipe (8) is arranged in the gas pipe (3) in a hollow mode, the left end of the main oxygen pipe (8) is connected with one end of the transition pipe B (7), and the other end of the transition pipe B (7) is connected with the inner copper head (6) through threads, the right-hand member of main oxygen pipe (8) with intake pipe (10) are connected, are located the periphery of main oxygen pipe (8) is provided with No. two flanges (9), flange (4) with No. two flanges (9) link to each other.

2. The replaceable core according to claim 1, wherein sealant is applied between said outer copper head (1), said inner copper head (6) and said transition tube A (2) and said transition tube B (7).

3. The replaceable cartridge as claimed in claim 1, characterised in that said gas tube (3) is provided with a plurality of gas holes (11).

4. The replaceable wick according to claim 1, characterised in that said fuel inlet duct (5) is arranged perpendicularly to said gas duct (3).