CN212293642U - Oxygen lance nozzle for converter - Google Patents
Oxygen lance nozzle for converter Download PDFInfo
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- CN212293642U CN212293642U CN202020527183.3U CN202020527183U CN212293642U CN 212293642 U CN212293642 U CN 212293642U CN 202020527183 U CN202020527183 U CN 202020527183U CN 212293642 U CN212293642 U CN 212293642U
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- oxygen
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- oxygen blowing
- shower nozzle
- converter
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Abstract
The utility model discloses an oxygen rifle shower nozzle for converter belongs to oxygen rifle shower nozzle equipment technical field, including the oxygen pipe, the oxygen pipe outside has set gradually well pipe and outer tube, well pipe with be provided with high-pressure water inlet between the oxygen pipe, the outer tube with be provided with the delivery port between the well pipe, the bottom of oxygen pipe is provided with oxygen flow distribution body, the bottom of well pipe is provided with the round bottom and has the open-ended water deflector, the bottom of outer tube is provided with shower nozzle oxygen blowing end, shower nozzle oxygen blowing end bottom is provided with a plurality of oxygen blowing holes, oxygen blowing hole through oxygen blowing taper pipe with oxygen flow distribution body intercommunication, the water deflector with the shower nozzle oxygen blowing is provided with a plurality of heat conduction assemblies between the end. The setting of water guide plate enables the rapid entering shower nozzle oxygen blast end of more cooling water and cools off it at the bottom, and the cooling effect is good, and heat conduction assembly's setting is with the heat energy of shower nozzle oxygen blast end transmit to aquatic and water guide plate rapidly on, can cool off shower nozzle oxygen blast end rapidly, and the cooling effect is better.
Description
Technical Field
The utility model belongs to the technical field of oxygen lance nozzle equipment, concretely relates to oxygen lance nozzle for converter.
Background
In the converter steelmaking, an oxygen lance is one of key process equipment, finishes the work of blowing oxygen into a converter, sprays oxygen to liquid metal at a certain height from the surface of a molten pool so as to realize the smelting reaction of the metal molten pool, works at high temperature in the converter, and adopts circulating water for cooling. It is composed of a spray gun, a gun body and a gun tail, wherein the spray gun is a core part of the oxygen gun. The nozzle is subjected to heat radiation of molten steel in the furnace, slag flow and metal liquid drop scouring during blowing, the end bottom of the nozzle is subjected to high thermal load, the thermal load of the side wall of the nozzle is small, and therefore the end bottom of the nozzle needs to be effectively cooled, otherwise the nozzle can be thermally deformed in the using process, so that the jet flow is reduced, the mixing of all jet flows is remarkable, and the nozzle is burnt out quickly along with the reduction of the jet flow speed.
The grant publication number CN209260126U discloses an oxygen lance for a converter, which comprises an oxygen lance body, an oxygen lance nozzle connected with the oxygen lance body, an air outlet pipe connected to the bottom of the oxygen lance nozzle, and a cooling mechanism connected to the outside of the oxygen lance, wherein the bottom of the oxygen lance nozzle is provided with a plurality of air outlets, and each air outlet comprises a vertical air outlet in the vertical direction and an inclined air outlet in the inclined direction. The oxygen lance has the advantages that the gas outlet holes of the nozzle are obliquely arranged, so that the contact area between oxygen discharged from the gas outlet holes and molten steel in a converter is larger, the treatment efficiency is lower, the oxygen can be dispersed and discharged through the plurality of gas outlet holes, the impact force of the oxygen on the molten steel in the converter is weakened, and the corrosion of the molten steel on the nozzle of the oxygen lance is reduced.
The defect that above-mentioned patent exists is that the water inlet sets up lower part in the shower nozzle, and the cooling water can not fully contact in with the shower nozzle bottom, can not effectively carry out effective cooling to the shower nozzle bottom.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: provides an oxygen lance nozzle for a converter, which aims to solve the defect that the prior cooling water can not sufficiently cool the bottom end of the nozzle.
The utility model adopts the technical scheme as follows:
an oxygen lance nozzle for a converter comprises an oxygen pipe, wherein a middle pipe and an outer pipe are sequentially arranged outside the oxygen pipe, a high-pressure water inlet is formed between the middle pipe and the oxygen pipe, a water outlet is formed between the outer pipe and the middle pipe, an oxygen flow distribution body is arranged at the bottom of the oxygen pipe, a circle of water guide plate with an opening at the bottom is arranged at the bottom of the middle pipe, a nozzle oxygen blowing end is arranged at the bottom of the outer pipe, a plurality of oxygen blowing holes are formed in the bottom of the nozzle oxygen blowing end and communicated with the oxygen flow distribution body through oxygen blowing taper pipes, and a plurality of heat conduction assemblies are arranged between the water guide plate and the nozzle oxygen blowing end.
The working principle is as follows: during the use, high-pressure oxygen gets into the oxygen blowing taper pipe and spouts from the oxygen blowing hole through oxygen reposition of redundant personnel from the oxygen pipe, adds high-pressure cooling water from the water inlet simultaneously, and cooling water flows to shower nozzle oxygen blowing bottom through the water deflector rapidly and from the opening on the water deflector, cools off shower nozzle oxygen blowing end fast, and the water after the cooling flows from the delivery port, so circulative cooling. The arrangement of the middle pipe and the outer pipe ensures that a water inlet channel is formed between the middle pipe and the oxygen pipe, a water outlet channel is formed between the middle pipe and the outer pipe, and the arrangement of the water guide plate can ensure that more cooling water can rapidly enter the bottom of the oxygen blowing end of the spray head to cool the spray head, so that the cooling effect is good; the setting of heat-conducting component, with the shower nozzle oxygen blast heat energy of end transmit to aquatic and water guide plate rapidly on, can cool off shower nozzle oxygen blast end rapidly, cooling efficiency is high, and the cooling effect is good, has solved above-mentioned current cooling water and can not fully carry out effective refrigerated defect to the shower nozzle bottom.
Furthermore, the heat conduction assembly comprises a heat conduction strip positioned between the oxygen blowing end of the spray head and the water guide plate, a first heat conduction branch positioned at one end of the heat conduction strip and connected with the oxygen blowing end of the spray head, and a second heat conduction branch positioned at the other end of the heat conduction strip and connected with the water guide plate. The heat conducting strips, the first heat conducting branches and the second heat conducting branches can be made of pure copper or flavone, the water guide plate is made of pure copper, the pure copper or flavone is good in heat conducting effect, heat at the oxygen blowing end of the spray head can be rapidly transferred to water and the water guide plate, and the cooling effect is better.
Furthermore, the middle of the bottom of the oxygen blowing end of the spray head is inwards sunken to form an inwards concave part. The water that the messenger left from the water deflector opening part becomes cyclic annular and scatters in the setting of interior concave part, can cool off the shower nozzle oxygen blast end rapidly, and the cooling effect is good.
Furthermore, a water supplementing hole seam is formed in the contact position of the water guide plate and the oxygen blowing taper pipe and is arranged along the circumferential direction of the oxygen blowing taper pipe. The arrangement of the water replenishing hole seams ensures that part of water can not enter the oxygen blowing end of the spray head through the opening on the water guide plate, so that cold water can be rapidly contacted with the oxygen blowing taper pipe to carry out surrounding type cooling on the oxygen blowing taper pipe, and the cooling effect is higher.
Further, the water guide plate is spirally connected with the middle pipe. The installation is convenient.
Furthermore, the oxygen blowing end of the nozzle and the oxygen blowing taper pipe are forged and formed into a whole. Stable and firm, and convenient processing.
Furthermore, the number of the oxygen blowing holes is 3-8. The oxygen blowing holes can disperse and discharge oxygen, weaken the impact force of the oxygen on molten steel in the converter and reduce the corrosion of a nozzle of the molten oxygen gun.
Furthermore, the included angle between the axis of the oxygen blowing hole and the axis of the oxygen blowing end of the spray head is 7-20 degrees. Namely, the oxygen blowing taper pipe is obliquely arranged, so that the contact area between oxygen discharged from the oxygen blowing hole and molten steel in the converter is larger, and the treatment effect is better.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. in the utility model, the arrangement of the water guide plate can enable more cooling water to rapidly enter the bottom of the oxygen blowing end of the spray head to cool the oxygen blowing end, the cooling effect is good, the arrangement of the heat conducting component can rapidly transmit the heat energy of the oxygen blowing end of the spray head to the water and the water guide plate, the oxygen blowing end of the spray head can be rapidly cooled, the cooling efficiency is high, and the cooling effect is better;
2. the heat conducting strips, the first heat conducting branches and the second heat conducting branches can be made of pure copper or flavone, the water guide plate is made of pure copper, the pure copper or flavone is good in heat conducting effect, heat at the oxygen blowing end of the spray head can be rapidly transferred to water and the water guide plate, and the cooling effect is better;
3. the arrangement of the concave part enables water left from the opening of the water guide plate to be annularly scattered, the oxygen blowing end of the spray head can be rapidly cooled, and the cooling effect is good;
4. the arrangement of the water replenishing seam ensures that part of water can enter the oxygen blowing end of the spray head without passing through the opening on the water guide plate, so that cold water can be rapidly contacted with the oxygen blowing taper pipe to carry out environment-friendly cooling on the oxygen blowing taper pipe, and the cooling effect is higher;
5. the oxygen blowing holes can disperse and discharge oxygen, so that the impact force of the oxygen on molten steel in a converter is weakened, and the corrosion of a nozzle of a molten oxygen gun is reduced;
6. namely, the oxygen blowing taper pipe is obliquely arranged, so that the contact area between oxygen discharged from the oxygen blowing hole and molten steel in the converter is larger, and the treatment effect is better.
Drawings
FIG. 1 is a schematic structural view of an oxygen lance nozzle for a converter according to the present invention.
The labels in the figure are: 1-an oxygen pipe, 2-a middle pipe, 3-an outer pipe, 4-an oxygen flow distribution body, 5-a nozzle oxygen blowing end, 6-an oxygen blowing hole, 7-an oxygen blowing taper pipe, 8-a water guide plate, 9-an inner concave part, 10-a heat conduction strip, 11-a first heat conduction branch, 12-a second heat conduction branch, 13-a water inlet and 14-a water outlet.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Example 1
As shown in fig. 1, an oxygen lance nozzle for a converter comprises an oxygen pipe 1, wherein a middle pipe 2 and an outer pipe 3 are sequentially arranged outside the oxygen pipe 1, a high-pressure water inlet 13 is arranged between the middle pipe 2 and the oxygen pipe 1, a water outlet 14 is arranged between the outer pipe 3 and the middle pipe 2, an oxygen flow distribution body 4 is arranged at the bottom of the oxygen pipe 1, a circle of water guide plate 8 with an opening at the bottom is arranged at the bottom of the middle pipe 2, a nozzle oxygen blowing end 5 is arranged at the bottom of the outer pipe 3, a plurality of oxygen blowing holes 6 are arranged at the bottom of the nozzle oxygen blowing end 5, the oxygen blowing holes 6 are communicated with the oxygen flow distribution body 4 through an oxygen blowing taper pipe 7, and a plurality of heat conduction assemblies are arranged between the water guide plate 8 and the nozzle oxygen blowing end 5.
The working principle is as follows: during the use, high-pressure oxygen gets into oxygen blowing taper pipe 7 and spouts from oxygen blowing hole 6 through oxygen reposition of redundant personnel 4 from oxygen pipe 1, adds high-pressure cooling water from water inlet 13 simultaneously, and cooling water flows to shower nozzle oxygen blowing bottom through water deflector 8 and from the opening on the water deflector 8 fast, cools off shower nozzle oxygen blowing end 5 fast, and the water after the cooling flows out from delivery port 14, so circulative cooling. The arrangement of the middle pipe 2 and the outer pipe 3 ensures that a water inlet channel is formed between the middle pipe 2 and the oxygen pipe 1, a water outlet channel is formed between the middle pipe 2 and the outer pipe 3, and the arrangement of the water guide plate 8 can ensure that more cooling water can rapidly enter the bottom of the oxygen blowing end 5 of the spray head to cool the spray head, so that the cooling effect is good; the setting of heat-conducting component, with shower nozzle oxygen blast end 5 heat energy transmit rapidly to aquatic and water guide plate 8 on, can cool off shower nozzle oxygen blast end 5 rapidly, the cooling efficiency is high, and the cooling effect is good, has solved above-mentioned current cooling water and can not fully carry out the defect of effective cooling to the shower nozzle bottom.
Example 2
As shown in fig. 1, based on embodiment 1, the heat conducting assembly includes a heat conducting strip 10 located between the oxygen blowing end 5 of the nozzle and the water guide plate 8, a first heat conducting branch 11 located at one end of the heat conducting strip 10 and connected to the oxygen blowing end 5 of the nozzle, and a second heat conducting branch 12 located at the other end of the heat conducting strip 10 and connected to the water guide plate 8. The heat conducting strips 10, the first heat conducting branches 11 and the second heat conducting branches 12 can be made of pure copper or flavone, the water guide plate 8 is made of pure copper, the pure copper or the flavone is good in heat conducting effect, heat of the oxygen blowing end 5 of the spray head can be rapidly transferred to water and the water guide plate 8, and the cooling effect is better.
Example 3
As shown in figure 1, on the basis of the embodiment 1, the middle of the bottom of the oxygen blowing end 5 of the spray head is inwards sunken to form an inner concave part 9. The arrangement of the concave part 9 enables water left from the opening of the water guide plate 8 to be dispersed annularly, the oxygen blowing end 5 of the spray head can be cooled rapidly, and the cooling effect is good.
Example 4
As shown in fig. 1, on the basis of embodiment 1, a water supplementing hole is formed at a contact position of the water guide plate 8 and the oxygen blowing taper pipe 7, and the water supplementing hole is arranged along the circumferential direction of the oxygen blowing taper pipe 7. The arrangement of the water replenishing hole seams ensures that part of water can not enter the oxygen blowing end 5 of the spray head through the opening on the water guide plate 8, so that cold water can be rapidly contacted with the oxygen blowing taper pipe 7 to carry out surrounding type cooling on the oxygen blowing taper pipe, and the cooling effect is higher.
Example 5
As shown in fig. 1, in embodiment 1, the water deflector 8 is screwed to the middle pipe 2. The installation is convenient.
Example 6
As shown in figure 1, on the basis of the embodiment 1, the oxygen blowing end 5 of the nozzle and the oxygen blowing taper pipe 7 are forged and formed into a whole. Stable and firm, and convenient processing.
Example 7
As shown in FIG. 1, on the basis of example 1, the number of the oxygen blowing holes 6 is 3 to 8. The oxygen blowing holes 6 can disperse and discharge oxygen, weaken the impact force of the oxygen on molten steel in a converter and reduce the corrosion of a nozzle of a molten oxygen gun.
Example 8
As shown in figure 1, on the basis of the embodiment 1, the included angle between the axis of the oxygen blowing hole 6 and the axis of the oxygen blowing end 5 of the nozzle is 7-20 degrees. Namely, the oxygen blowing taper pipe 7 is obliquely arranged, so that the contact area between the oxygen discharged from the oxygen blowing hole 6 and the molten steel in the converter is larger, and the treatment effect is better.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The utility model provides an oxygen rifle shower nozzle for converter, includes oxygen pipe (1), oxygen pipe (1) outside has set gradually well pipe (2) and outer tube (3), well pipe (2) with be provided with high-pressure water inlet (13) between oxygen pipe (1), outer tube (3) with be provided with delivery port (14) between well pipe (2), its characterized in that: the bottom of oxygen pipe (1) is provided with oxygen reposition of redundant personnel (4), the bottom of well pipe (2) is provided with round bottom and has open-ended water guide plate (8), the bottom of outer tube (3) is provided with shower nozzle oxygen blowing end (5), shower nozzle oxygen blowing end (5) bottom is provided with a plurality of oxygen blowing holes (6), oxygen blowing hole (6) through oxygen blowing taper pipe (7) with oxygen reposition of redundant personnel (4) intercommunication, water guide plate (8) with be provided with a plurality of heat-conducting component between shower nozzle oxygen blowing end (5).
2. The oxygen lance nozzle for the converter as claimed in claim 1, wherein: the heat conduction assembly comprises a heat conduction strip (10) positioned between the oxygen blowing end (5) of the spray head and the water guide plate (8), a first heat conduction branch (11) positioned at one end of the heat conduction strip (10) and connected with the oxygen blowing end (5) of the spray head, and a second heat conduction branch (12) positioned at the other end of the heat conduction strip (10) and connected with the water guide plate (8).
3. The oxygen lance nozzle for the converter as claimed in claim 1, wherein: the middle of the bottom of the oxygen blowing end (5) of the spray head is inwards sunken to form an inner concave part (9).
4. The oxygen lance nozzle for the converter as claimed in claim 1, wherein: and a water supplementing hole seam is formed at the contact part of the water guide plate (8) and the oxygen blowing taper pipe (7), and is arranged along the circumferential direction of the oxygen blowing taper pipe (7).
5. The oxygen lance nozzle for the converter as claimed in claim 1, wherein: the water guide plate (8) is spirally connected with the middle pipe (2).
6. The oxygen lance nozzle for the converter as claimed in claim 1, wherein: the oxygen blowing end (5) of the spray head and the oxygen blowing taper pipe (7) are forged and formed into a whole.
7. The oxygen lance nozzle for the converter as claimed in claim 1, wherein: the number of the oxygen blowing holes (6) is 3-8.
8. The oxygen lance nozzle for the converter as claimed in claim 1, wherein: the included angle between the axis of the oxygen blowing hole (6) and the axis of the oxygen blowing end (5) of the spray head is 7-20 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020527183.3U CN212293642U (en) | 2020-04-10 | 2020-04-10 | Oxygen lance nozzle for converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020527183.3U CN212293642U (en) | 2020-04-10 | 2020-04-10 | Oxygen lance nozzle for converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212293642U true CN212293642U (en) | 2021-01-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020527183.3U Active CN212293642U (en) | 2020-04-10 | 2020-04-10 | Oxygen lance nozzle for converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212293642U (en) |
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2020
- 2020-04-10 CN CN202020527183.3U patent/CN212293642U/en active Active
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