CN207713795U - Triple channel oxygen lance - Google Patents
Triple channel oxygen lance Download PDFInfo
- Publication number
- CN207713795U CN207713795U CN201721161445.3U CN201721161445U CN207713795U CN 207713795 U CN207713795 U CN 207713795U CN 201721161445 U CN201721161445 U CN 201721161445U CN 207713795 U CN207713795 U CN 207713795U
- Authority
- CN
- China
- Prior art keywords
- oxygen
- floral tube
- gun barrel
- layer oxygen
- wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 139
- 239000001301 oxygen Substances 0.000 title claims abstract description 139
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 139
- 238000001816 cooling Methods 0.000 claims description 42
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 229910052757 nitrogen Inorganic materials 0.000 claims description 10
- 229910001220 stainless steel Inorganic materials 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001338 liquidmetal Inorganic materials 0.000 abstract description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000003723 Smelting Methods 0.000 description 3
- 239000011651 chromium Substances 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Treatment Of Steel In Its Molten State (AREA)
Abstract
The utility model discloses a kind of triple channel oxygen lance, including gun barrel, into oxygen channel, outer layer oxygen floral tube and internal layer oxygen floral tube；Gun barrel includes that gun barrel takes over portion and gun barrel refractory sections, one end that gun barrel takes over portion is connect with gun barrel refractory sections, the other end that gun barrel takes over portion is connected into oxygen channel, outer layer oxygen floral tube is set in gun barrel refractory sections, internal layer oxygen floral tube is set in outer layer oxygen floral tube, the outer wall of the inner wall of the outer wall fitting outer layer oxygen floral tube of internal layer oxygen floral tube, outer layer oxygen floral tube and internal layer oxygen floral tube opens up oxygen slot.The triple channel oxygen lance of the utility model shunts oxygen, the case where controlling the flow velocity and flow of oxygen, while the air pressure of the center oxygen of lance outlet reduces, reduce splash high-temperature liquid metal.
Description
Technical field
The utility model is related in smelting furnace injection apparatus technical field more particularly to a kind of triple channel oxygen lance.
Background technology
Non-ferrous metals oxygen bottom-blown smelting technology at home and abroad has more than 20 years history, in recent years domestic oxygen bottom blowing
Refining splicer's skill is quickly grown.Bottom convertor is the key equipment of bottom-blown smelting, and oxygen lance is the core in oxygen bottom-blowing technique
Heart technology.Existing oxygen lance, the flow velocity of the oxygen sprayed and flow control be not proper, causes the amount of blasting of oxygen not
Uniformly.Meanwhile the disturbance of air-flow can be such that ejiction opening shakes, and cause high temperature fluent metal splash.
Utility model content
To solve in the prior art, oxygen lance is existing to ask the flow velocity of oxygen and the impolitic technology of flow control
Topic, the technical solution of the utility model are as follows：
Triple channel oxygen lance in the utility model, including gun barrel, into oxygen channel, outer layer oxygen floral tube and internal layer oxygen
Floral tube；The gun barrel includes that gun barrel takes over portion and gun barrel refractory sections, and the gun barrel takes over the one end in portion and the gun barrel refractory sections
Connection, the other end that the gun barrel takes over portion are connected to described into oxygen channel, and setting outer layer oxygen is spent in the gun barrel refractory sections
Pipe, the interior setting internal layer oxygen floral tube of the outer layer oxygen floral tube, the outer wall of the internal layer oxygen floral tube are bonded the outer layer
The outer wall of the inner wall of oxygen floral tube, the outer layer oxygen floral tube and the internal layer oxygen floral tube opens up oxygen slot.
In a preferred embodiment, including water cooling passageway, nitrogen cooling duct and cooling floral tube；The water cooling
But channel and the nitrogen cooling duct are mounted on the gun barrel and take over portion's outer wall, described in the inner wall fitting of the cooling floral tube
Outer layer oxygen floral tube outer wall is taken over portion by gun barrel and is connected to the water cooling passageway and the nitrogen cooling duct.
In a preferred embodiment, including fixed base frame and fixed plate；The fixed base frame and the fixed plate
It is welded to connect, the gun barrel portion of taking over passes through the fixed base frame and the fixed plate.
In a preferred embodiment, including red copper gasket；The red copper gasket is set to the gun barrel and connects
Between pipe portion and the fixed plate.
In a preferred embodiment, the outer wall of the internal layer oxygen floral tube opens up 10 oxygen slots, each oxygen
The groove width of slot is 2.5mm, and the outer wall of groove depth 2.7mm, the outer layer oxygen floral tube open up 14 oxygen slots, each oxygen slot
Groove width is 4mm, groove depth 2.9mm.
In a preferred embodiment, the water cooling passageway outer wall opens up 28 cooling baths, the cooling bath
Groove width is 2mm, groove depth 1.5mm.
In a preferred embodiment, the gun barrel portion of taking over include extension tube attached, in take over and inner connecting tube；It is described outer
It takes over and is connected to the cooling floral tube, take in described and be connected to the outer layer oxygen floral tube, the inner connecting tube and the internal layer
Oxygen floral tube is connected to.
In a preferred embodiment, the extension tube attached, in the material taken over be 0Cr18Ni9 stainless steels；It is described cold
But the material of floral tube, outer layer oxygen floral tube and internal layer oxygen floral tube is 0Cr25Ni20Si stainless steels.
In a preferred embodiment, the material of the fixed base frame and the fixed plate is that 0Cr18Ni9 is stainless
Steel.
Triple channel oxygen lance in the utility model, compared with prior art, advantage is：
Triple channel oxygen lance in the utility model is provided with outer layer oxygen floral tube and internal layer oxygen floral tube, and outside
The outer wall of layer oxygen floral tube and internal layer oxygen floral tube has opened up groove width and the different oxygen slot of groove depth, and oxygen is shunted, and controls
The flow velocity and flow of oxygen processed；The case where air pressure of the center oxygen of lance outlet reduces simultaneously, reduction splash high-temperature liquid metal.
Description of the drawings
Fig. 1 is the structural schematic diagram of triple channel oxygen lance in the utility model；
Fig. 2 is the refractory sections cross-sectional view of triple channel oxygen lance in the utility model；
Fig. 3 is the left view of triple channel oxygen lance in the utility model.
Specific implementation mode
Below in conjunction with the attached drawing of the utility model, the technical solution of the utility model is clearly and completely described.
Based on the embodiments of the present invention, what those of ordinary skill in the art were obtained without creative efforts
Every other embodiment, shall fall within the protection scope of the present invention.
As shown in FIG. 1 to 3, the triple channel oxygen lance of the utility model, including gun barrel, into oxygen channel 1, outer layer oxygen
Floral tube 8-2 and internal layer oxygen floral tube 8-3；Gun barrel includes that gun barrel takes over portion 7 and gun barrel refractory sections 8, gun barrel take over the one end in portion 7 with
Gun barrel refractory sections 8 connect, and the other end that gun barrel takes over portion 7 is connected into oxygen channel 1, and outer layer oxygen is arranged in gun barrel refractory sections 8
Internal layer oxygen floral tube 8-3 is set in floral tube 8-2, outer layer oxygen floral tube 8-2, and the outer wall of internal layer oxygen floral tube 8-3 is bonded outer layer oxygen
The outer wall of the inner wall of gas floral tube 8-2, outer layer oxygen floral tube 8-2 and internal layer oxygen floral tube 8-3 open up oxygen slot.Internal layer oxygen is spent
There are the gaps of 0.2mm~0.3mm when pipe 8-3 and outer layer oxygen floral tube 8-2 are assembled, and can rotate.Internal layer oxygen floral tube 8-3's
Outer wall opens up 10 oxygen slots, and the groove width of each oxygen slot is 2.5mm, groove depth 2.7mm, the outer wall of outer layer oxygen floral tube 8-2
14 oxygen slots are opened up, the groove width of each oxygen slot is 4mm, groove depth 2.9mm.Outer layer oxygen floral tube and internal layer oxygen floral tube are total
Peroxide area be 150mm2~400mm2.Oxygen takes over portion 7 via into oxygen channel 1 into gun barrel, and then enters gun barrel refractory sections
8, then flowed out by oxygen slot and the oxygen through-hole at the centers internal layer oxygen floral tube 8-3.Since oxygen being shunted so that interior
The ejection pressure reduction of oxygen at layer oxygen floral tube 8-3 central oxygen vent holes so that the spraying state of high temperature fluent metal is sent out
Raw probability reduces.Meanwhile the effect that oxygen slot is arranged can also make oxygen be distributed in high temperature liquid level metal surface.This practicality is new
Type is also provided with water cooling passageway 2, nitrogen cooling duct 3 and cooling floral tube 8-1；Water cooling passageway 2 and nitrogen cooling duct 3 are equal
It is installed on gun barrel and takes over 7 outer wall of portion, the inner wall of cooling floral tube 8-1 is bonded outer layer oxygen floral tube 8-2 outer walls, portion is taken over by gun barrel
7 are connected to water cooling passageway 2 and nitrogen cooling duct 3.Wherein 2 outer wall of water cooling passageway opens up 28 cooling baths, cooling bath
Groove width is 2mm, and the cooling duct area of groove depth 1.5mm, cooling bath are 56mm2~140mm2, include the cooling water warp of nitrogen
Gun barrel outer wall is flowed through by cooling bath, achievees the purpose that cooling.
To realize the fixation of gun barrel, it is provided with fixed base frame 4 and fixed plate 5；Before fixed plate 5 is set to fixed base frame 4
End, is vertically arranged with fixed base frame 4, and close to gun barrel refractory sections 8, fixed base frame 4 is welded to connect with fixed plate 5.Gun barrel takes over portion 7
Across fixed base frame 4 and fixed plate 5, is taken in gun barrel and be provided with red copper gasket 6, red copper gasket between portion 7 and fixed plate 5
6 can ensure sealing effect in the case where bearing certain high-temperature condition.The material of fixed base frame 4 and fixed plate 5 be 0Cr18Ni9 not
Become rusty steel.There is 0Cr18Ni9 stainless steels good corrosion resistance, heat resistance, low temperature intensity and mechanical performance, the heat such as bending ram to add
Work is good, no heat treatment hardening phenomenon, nonmagnetic.
It is connected to the good of gun barrel refractory sections 8 to ensure that gun barrel takes over portion 7, gun barrel, which is taken over portion 7, to be set as including external
Pipe, in take over and the structure of inner connecting tube；Extension tube attached is connected to cooling floral tube 8-1, in take over and be connected to outer layer oxygen floral tube 8-2,
Inner connecting tube is connected to internal layer oxygen floral tube 8-3.Wherein extension tube attached, in the material taken over be 0Cr18Ni9 stainless steels；Cooling floral tube
The material of 8-1, outer layer oxygen floral tube 8-2 and internal layer oxygen floral tube 8-3 are 0Cr25Ni20Si stainless steels.0Cr25Ni20Si is stainless
Steel is because have higher chromium content and nickel content so that it possesses high temperature creep strength, at high temperature can continuous operation, have good
Good heat-resisting quantity.Because nickel (Ni), chromium (Cr) content are high, also there is good oxidation, corrosion-resistant, acidproof salty, high temperature resistance.
The triple channel oxygen lance of the utility model solves its oxygen flow of existing oxygen lance and flow control not
Proper technical problem, oxygen is distributed at the nozzle of spray gun, and reduces the oxygen pressure at nozzle center, is avoided
High temperature fluent metal splash there is a situation where.
Above description is only a specific implementation of the present invention, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replace, it should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should be with the power
Subject to the protection domain that profit requires.
Claims (6)
1. triple channel oxygen lance, which is characterized in that including gun barrel, into oxygen channel, outer layer oxygen floral tube and internal layer oxygen floral tube；
The gun barrel includes that gun barrel takes over portion and gun barrel refractory sections, and one end that the gun barrel takes over portion is connect with the gun barrel refractory sections,
The other end that the gun barrel takes over portion is connected to described into oxygen channel, and outer layer oxygen floral tube, institute are arranged in the gun barrel refractory sections
The setting internal layer oxygen floral tube in outer layer oxygen floral tube is stated, the outer wall of the internal layer oxygen floral tube is bonded the outer layer oxygen flower
The outer wall of the inner wall of pipe, the outer layer oxygen floral tube and the internal layer oxygen floral tube opens up oxygen slot；
Including fixed base frame and fixed plate；The fixed base frame is welded to connect with the fixed plate, and the gun barrel portion of taking over passes through
The fixed base frame and the fixed plate；
Including red copper gasket；The red copper gasket is set to the gun barrel and takes between portion and the fixed plate；
The outer wall of the internal layer oxygen floral tube opens up 10 oxygen slots, and the groove width of each oxygen slot is 2.5mm, groove depth 2.7mm,
The outer wall of the outer layer oxygen floral tube opens up 14 oxygen slots, and the groove width of each oxygen slot is 4mm, groove depth 2.9mm.
2. triple channel oxygen lance according to claim 1, which is characterized in that logical including water cooling passageway, nitrogen cooling
Road and cooling floral tube；The water cooling passageway and the nitrogen cooling duct are mounted on the gun barrel and take over portion's outer wall, described
The inner wall of cooling floral tube is bonded the outer layer oxygen floral tube outer wall, and portion and the water cooling passageway and the nitrogen are taken over by gun barrel
Air cooling channel is connected to.
3. triple channel oxygen lance according to claim 2, which is characterized in that the water cooling passageway outer wall opens up 28
The groove width of cooling bath, the cooling bath is 2mm, groove depth 1.5mm.
4. triple channel oxygen lance according to claim 3, which is characterized in that the gun barrel portion of taking over include extension tube attached,
In take over and inner connecting tube；The extension tube attached is connected to the cooling floral tube, is taken in described and is connected to the outer layer oxygen floral tube,
The inner connecting tube is connected to the internal layer oxygen floral tube.
5. triple channel oxygen lance according to claim 4, which is characterized in that the extension tube attached, in the material taken over be
0Cr18Ni9 stainless steels；The material of the cooling floral tube, outer layer oxygen floral tube and internal layer oxygen floral tube is that 0Cr25Ni20Si is stainless
Steel.
6. triple channel oxygen lance according to claim 1, which is characterized in that the fixed base frame and the fixed plate
Material is 0Cr18Ni9 stainless steels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721161445.3U CN207713795U (en) | 2017-09-12 | 2017-09-12 | Triple channel oxygen lance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721161445.3U CN207713795U (en) | 2017-09-12 | 2017-09-12 | Triple channel oxygen lance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207713795U true CN207713795U (en) | 2018-08-10 |
Family
ID=63064222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721161445.3U Active CN207713795U (en) | 2017-09-12 | 2017-09-12 | Triple channel oxygen lance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207713795U (en) |
-
2017
- 2017-09-12 CN CN201721161445.3U patent/CN207713795U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180822 Address after: 710000 2 Gate 6, Yuxin Road, Weiyang District, Xi'an, Shaanxi, 6 Patentee after: Xi'an Fuso Electromechanical Technology Co Ltd Address before: 710000 2 Gate 6, Yuxin Road, Weiyang District, Xi'an, Shaanxi, 6 Patentee before: Hou Jinfeng |