CN216427324U - Converter porous oxygen lance with central pipe - Google Patents
Converter porous oxygen lance with central pipe Download PDFInfo
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- CN216427324U CN216427324U CN202122605563.1U CN202122605563U CN216427324U CN 216427324 U CN216427324 U CN 216427324U CN 202122605563 U CN202122605563 U CN 202122605563U CN 216427324 U CN216427324 U CN 216427324U
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- oxygen lance
- oxygen
- water inlet
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Abstract
The utility model relates to a converter porous oxygen lance with a central pipe, which belongs to the technical field of furnace accessories for smelting. The oxygen lance comprises an oxygen lance body, wherein a plurality of spray pipes which are annularly arranged are arranged in the oxygen lance body, one end of the oxygen lance body is provided with an oxygen pipe, a water inlet pipe is sleeved on the oxygen pipe, and an annular gap between the inner wall of the water inlet pipe and the outer wall of the oxygen pipe is a water inlet channel; a water return pipe is sleeved on the water inlet pipe, an annular gap between the inner wall of the water return pipe and the outer wall of the water inlet pipe is a water return channel, and the outlet of the water inlet channel is communicated with the inlet of the water return channel; a center hole is formed in the center of the oxygen lance body, a center pipe penetrates through the oxygen lance body, and the center pipe is arranged in the center hole. The converter has the advantages of simple structure, small occupied space, improvement of the flexibility of converter production and accurate control of the components in the converter.
Description
Technical Field
The utility model relates to a converter porous oxygen lance with a central pipe, which belongs to the technical field of smelting furnace accessories.
Background
The oxygen lance is one of main process equipment in oxygen converter steelmaking, and the performance characteristics of the oxygen lance directly influence smelting effect and blowing time, thereby influencing the quality and yield of steel. The influence of the oxygen lance on the blowing is realized by the interaction of the oxygen jet stream and the molten pool, and the influence is mainly realized by the oxygen lance nozzle which mainly depends on the velocity and the distribution of the jet stream when the jet stream reaches the surface of the molten pool, so the optimization of various process parameters of the oxygen lance nozzle and the optimization design of the structure are very important. In the application field, the oxygen lance is mainly applied to the steel industry, the metallurgy industry and the like. At present, various components in the converter are added into raw materials, and flexible feeding in the operation process cannot be realized.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a converter porous oxygen rifle with center tube is provided to above-mentioned prior art, simple structure, various compositions that can add needs in a flexible way in the operation process, composition requirement in the accurate control stove.
The utility model provides a technical scheme that above-mentioned problem adopted does: a converter multi-hole oxygen lance with a central pipe comprises an oxygen lance body, wherein a plurality of spray pipes which are annularly arranged are arranged in the oxygen lance body, one end of the oxygen lance body is provided with an oxygen pipe, a water inlet pipe is sleeved on the oxygen pipe, and an annular gap between the inner wall of the water inlet pipe and the outer wall of the oxygen pipe is a water inlet channel; a water return pipe is sleeved on the water inlet pipe, an annular gap between the inner wall of the water return pipe and the outer wall of the water inlet pipe is a water return channel, and the outlet of the water inlet channel is communicated with the inlet of the water return channel; the center of the oxygen lance body is provided with a center hole, a center pipe penetrates through the oxygen lance body, and the center pipe is arranged in the center hole.
The end part of the oxygen lance body is provided with an oxygen lance copper head, and the oxygen tube is connected with the oxygen lance copper head through welding.
The periphery of the oxygen lance body is provided with a water guide plate, and the water guide plate is connected with a water inlet pipe through welding.
The oxygen lance body is provided with a connecting piece at the periphery, and the connecting piece is connected with a water return pipe through welding.
Compared with the prior art, the utility model has the advantages of: a multi-hole oxygen lance for converter with central tube features that during its running, the solid components are introduced into central tube and then sprayed out via central hole, so flexibly adding needed components and controlling them more finely. The device is suitable for converter production, and optimizes the performance of the oxygen lance. The converter has the advantages of simple structure, small occupied space, improvement of the flexibility of converter production and accurate control of the components in the converter.
Drawings
FIG. 1 is a three-dimensional schematic view of a multi-hole oxygen lance for a converter with a central tube according to an embodiment of the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
in the figure, a central pipe 1, an oxygen pipe 2, a water inlet pipe 3, a water return pipe 4, a central hole 5, an oxygen lance copper head 6, a water guide plate 7, a connecting piece 8, a spray pipe 9 and an oxygen lance body 10 are arranged.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in fig. 1, 2 and 3, the multi-hole oxygen lance with a central tube in the embodiment comprises an oxygen lance body 10, wherein a plurality of annularly arranged spray pipes 9 are arranged in the oxygen lance body 10, an oxygen pipe 2 is arranged at one end of the oxygen lance body 10, and an oxygen lance copper head 6 is arranged at the end part of the oxygen lance body 10; the oxygen pipe 2 is fixedly connected with the oxygen lance copper head 6 by welding, and a first welding seam is formed at the welding position of the oxygen pipe and the oxygen lance copper head. Each spray pipe 9 is communicated with the oxygen pipe 2, and oxygen is introduced into the oxygen pipe 2 and then flows into each spray pipe 9. The oxygen pipe 2 is sleeved with a water inlet pipe 3, and the circumferential clearance between the inner wall of the water inlet pipe 3 and the outer wall of the oxygen pipe 2 is a water inlet channel. The periphery of the oxygen lance body is provided with a water guide plate 7, the water guide plate 7 is fixedly connected with the water inlet pipe 3 through welding, and a second welding seam is formed at the welding position of the water guide plate 7 and the water inlet pipe. Water return pipe 4 is established to the cover on inlet tube 3, and the water deflector 7 outside is equipped with connecting piece 8, and connecting piece 8 sets up in oxygen rifle body 10 periphery, and water return pipe 4 is through welding and 8 fixed connection of connecting piece, and the junction between them forms the third welding seam. The annular gap between the inner wall of the water return pipe 4 and the outer wall of the water inlet pipe 3 is a water return channel, and the outlet of the water inlet channel is communicated with the inlet of the water return channel. The center of the oxygen lance body 10 is provided with a center hole, the center of the oxygen pipe 2 penetrates through a center pipe 1, and the center pipe 1 is arranged in the center hole. The solid components pass through the central tube 1 and are then ejected from the central hole.
When various solid components are required to be sprayed in the process, the solid components are introduced into the central pipe and then sprayed out through the central hole, the required various components are flexibly added, and the control is finer. The device is suitable for converter production, and optimizes the performance of the oxygen lance. The converter has the advantages of simple structure, small occupied space, improvement of the flexibility of converter production and accurate control of the components in the converter.
In addition to the above embodiments, the present invention also includes other embodiments, and all technical solutions formed by equivalent transformation or equivalent replacement should fall within the protection scope of the claims of the present invention.
Claims (4)
1. The utility model provides a converter multihole oxygen rifle with center tube which characterized in that: the oxygen lance comprises an oxygen lance body, wherein a plurality of spray pipes which are annularly arranged are arranged in the oxygen lance body, one end of the oxygen lance body is provided with an oxygen pipe, a water inlet pipe is sleeved on the oxygen pipe, and an annular gap between the inner wall of the water inlet pipe and the outer wall of the oxygen pipe is a water inlet channel; a water return pipe is sleeved on the water inlet pipe, an annular gap between the inner wall of the water return pipe and the outer wall of the water inlet pipe is a water return channel, and the outlet of the water inlet channel is communicated with the inlet of the water return channel; the center of the oxygen lance body is provided with a center hole, a center pipe penetrates through the oxygen lance body, and the center pipe is arranged in the center hole.
2. The multi-hole oxygen lance with a central tube of claim 1, which is characterized in that: the end part of the oxygen lance body is provided with an oxygen lance copper head, and the oxygen tube is connected with the oxygen lance copper head through welding.
3. The multi-hole oxygen lance with a central tube of claim 1, which is characterized in that: the periphery of the oxygen lance body is provided with a water guide plate, and the water guide plate is connected with a water inlet pipe through welding.
4. The multi-hole oxygen lance with a central tube of claim 1, which is characterized in that: the oxygen lance body is provided with a connecting piece at the periphery, and the connecting piece is connected with a water return pipe through welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122605563.1U CN216427324U (en) | 2021-10-28 | 2021-10-28 | Converter porous oxygen lance with central pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122605563.1U CN216427324U (en) | 2021-10-28 | 2021-10-28 | Converter porous oxygen lance with central pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216427324U true CN216427324U (en) | 2022-05-03 |
Family
ID=81332083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122605563.1U Active CN216427324U (en) | 2021-10-28 | 2021-10-28 | Converter porous oxygen lance with central pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216427324U (en) |
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2021
- 2021-10-28 CN CN202122605563.1U patent/CN216427324U/en active Active
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