CN209456491U - A kind of novel steep-taper oxygen lance - Google Patents
A kind of novel steep-taper oxygen lance Download PDFInfo
- Publication number
- CN209456491U CN209456491U CN201822105817.1U CN201822105817U CN209456491U CN 209456491 U CN209456491 U CN 209456491U CN 201822105817 U CN201822105817 U CN 201822105817U CN 209456491 U CN209456491 U CN 209456491U
- Authority
- CN
- China
- Prior art keywords
- taper
- steep
- section
- pipe
- oxygen
- 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.)
- Active
Links
Landscapes
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Abstract
The utility model discloses a kind of novel steep-taper oxygen lances, belong to converter steeling technology field, in order to solve the problems, such as that oxygen rifle is easy bonding steel slag in existing equipment, including spray head and oxygen pipe, it is characterized in that, medial sleeve and outer sleeve are successively arranged with outside the oxygen pipe from inside to outside, outer sleeve is disposed with steep-taper Taper Pipe section, Small Taper Taper Pipe section, first straight section, back taper changeover portion, tilting section and the second straight section, steep-taper Taper Pipe section, protrusion is provided on the inside of Small Taper Taper Pipe section and the first straight section, cooling duct is formed between the outer sleeve and medial sleeve, cooling duct is communicated with water inlet pipe, drainage channel is formed between the medial sleeve and oxygen pipe, drainage channel is communicated with drainpipe.
Description
Technical field
The utility model belongs to converter steeling technology field, more particularly to a kind of novel steep-taper oxygen lance.
Background technique
Oxygen rifle is to be blown into high pressure, high purity degree oxygen in converter above metal bath with hypersonic velocity, and have high pressure water
The tubular equipment of cooling protection system.It is called spray gun.It is the important equipment of top-blown oxygen steelmaking, and oxygen rifle is oxygen coverter refining
One of major process unit in steel, performance characteristic directly influence metallurgical effect and duration of blast, to influence steel
Quality and yield in metallurgy industry.
It is stretched oxygen rifle that the converter oxygen gun in China, which has 95%,；The manufacture structure of the body of a gun is the steel pipe of three layers of unlike material
At for oxygen rifle in blowing, body of a gun position is often stained with steel slag, directly affects the time of steel-making, protects in particular by slag is splashed
After furnace technology, the problem of gluing rifle, is just more universal, and viscous rifle not only reduces the service life of oxygen rifle, also affects the work of converter
Industry rate, while artificial labor intensity has been aggravated again.It is sticked in oxygen rifle with the cleaning of the tools such as pneumatic pick, sledgehammer, cutter, crowbar
Steel slag, worker stands to work in the oxygen rifle exit of converter, heads on high temperature, underfooting emits the billowing smoke, is accidentally easy for
Cause personal injury safety accident, brings great problem to steel-making.
Summary of the invention
The purpose of this utility model is that: in order to solve the problems, such as that oxygen rifle is easy bonding steel slag in existing equipment, provides one
The novel steep-taper oxygen lance of kind.
The technical solution adopted in the utility model is as follows:
A kind of novel steep-taper oxygen lance, including spray head and oxygen pipe, which is characterized in that successively covered from inside to outside outside the oxygen pipe
Equipped with medial sleeve and outer sleeve, outer sleeve be disposed with steep-taper Taper Pipe section, Small Taper Taper Pipe section, the first straight section,
Back taper changeover portion, tilting section and the second straight section, steep-taper Taper Pipe section, Small Taper Taper Pipe section and the first straight section inside are provided with convex
It rises, cooling duct is formed between the outer sleeve and medial sleeve, cooling duct is communicated with water inlet pipe, the medial sleeve
Drainage channel is formed between oxygen pipe, drainage channel is communicated with drainpipe.
The utility model it is further preferred, it is described protrusion be semi-cylindrical hill or arc convex.
The utility model it is further preferred, the steep-taper Taper Pipe section, Small Taper Taper Pipe section and the first straight section are all made of
It is whole to be connect without horizontal position welding.
The utility model it is further preferred, the range of taper of the steep-taper Taper Pipe section is 4 °~5 °, Small Taper cone
Pipeline section range of taper is 5 °~6 °.
The utility model it is further preferred, the water inlet pipe and drainpipe are arranged at one end far from spray head.
Working principle: the utility model is by water inlet pipe water flowing in the cooling duct in oxygen rifle, to the outer surface of oxygen rifle
Temperature cools down, and in oxygen rifle outer surface, steep-taper Taper Pipe section, Small Taper Taper Pipe section of the setting taper for 4 °~6 °, reduce steel slag
Cementability increase oxygen rifle by being respectively provided with semicircle or arc convex on the inside of steep-taper Taper Pipe section and Small Taper Taper Pipe section
Heat-conducting area, improve oxygen rifle in radiating efficiency so that steel slag is easier to fall off in oxygen rifle outer surface, to improve oxygen rifle
Service life, the water after absorbing heat enters in drainpipe via drainage channel to be collected.
In conclusion by adopting the above-described technical solution, the beneficial effects of the utility model are:
1. the utility model is convex by being provided on the inside of steep-taper Taper Pipe section, Small Taper Taper Pipe section and the first straight section
Rise, accelerate the cooling efficiency of oxygen rifle outer surface so that the cooling effect of oxygen rifle tube wall plays a leading role, while on the outside of oxygen rifle pipe
Steep-taper pipeline section and Small Taper pipeline section match, reduce oxygen rifle is stained with slag, the service life of oxygen rifle is improved, so that oxygen rifle is de-
Slag rate reaches 90% or more, substantially overcomes the problem of existing equipment is easy dry slag.
2. the utility model is 4 °~5 ° by the range of taper of setting steep-taper Taper Pipe section, Small Taper Taper Pipe section taper model
Enclosing is 5 °~6 °, so that steel slag is easier to get detached, while having reasonable control cost.
3. the utility model setting steep-taper Taper Pipe section, Small Taper Taper Pipe section and the first straight section are all made of whole without horizontal position welding
It connects, improves the integral strength of oxygen rifle, guarantee the integrity degree and slickness of oxygen rifle outer surface, welding section is avoided to influence de- slag effect.
Detailed description of the invention
The utility model will illustrate by example and with reference to the appended drawing, in which:
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the top view of the spray head of the utility model.
Appended drawing reference: 1- steep-taper Taper Pipe section, 2- Small Taper Taper Pipe section, the first straight section of 3-, 4- back taper changeover portion, the middle part 5-
Casing, 6- tilting section, 7- oxygen pipe, the second straight section of 8-, 9- outer sleeve, 10- drainage channel, the cooling duct 11-, 12- water inlet pipe,
13- drainpipe, 14- spray head, 15- spray-hole, 16- protrusion.
Specific embodiment
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.
It elaborates below with reference to Fig. 1, Fig. 2 to the utility model.
Case study on implementation one: a kind of novel steep-taper oxygen lance, including spray head 14 and oxygen pipe, which is characterized in that oxygen pipe 7 is outer by interior
To medial sleeve 5 and outer sleeve 9 is successively arranged with outside, outer sleeve 9 is disposed with steep-taper Taper Pipe section 1, Small Taper cone
Pipeline section 2, the first straight section 3, back taper changeover portion 4, tilting section 6 and the second straight section 8, the range of taper of steep-taper Taper Pipe section is 4 °~
5 °, 2 range of taper of Small Taper Taper Pipe section is 5 °~6 °, and steep-taper Taper Pipe section 1, Small Taper Taper Pipe section 2 and 3 inside of the first straight section are
It is provided with protrusion 16, protrusion 16 is semi-cylindrical hill 16 or arc convex 16, is formed between outer sleeve 9 and medial sleeve 5
Cooling duct 11, cooling duct 11 are communicated with water inlet pipe 12, and drainage channel 10 is formed between medial sleeve 5 and oxygen pipe 7, row
Aquaporin 10 is communicated with drainpipe 13.
Working principle: the utility model is by the water flowing in the cooling duct 11 in oxygen rifle of water inlet pipe 12, to the outer of oxygen rifle
Surface temperature cools down, and in oxygen rifle outer surface, steep-taper Taper Pipe section 1, Small Taper Taper Pipe section 2 of the setting taper for 4 °~6 °, subtract
The cementability of small steel slag, by being respectively provided with semicircle or arc convex on the inside of steep-taper Taper Pipe section 1 and Small Taper Taper Pipe section 2
16, increase the heat-conducting area of oxygen rifle, improves the radiating efficiency in oxygen rifle, so that steel slag is easier to fall off in oxygen rifle outer surface, from
And the service life of oxygen rifle is improved, the water after absorbing heat enters in drainpipe via drainage channel 10 to be collected.
Case study on implementation two: this implementation is to advanced optimize on the basis of embodiment 1, and the present embodiment emphasis illustrates and implements
The improvements that example 1 is compared, something in common repeat no more, and steep-taper Taper Pipe section 1, Small Taper Taper Pipe section 2 and the first straight section 3 are
It is connect using entirety without horizontal position welding, improves the integral strength of oxygen rifle, guaranteed the integrity degree and slickness of oxygen rifle outer surface, avoid welding section
Influence de- slag effect.
Case study on implementation three: this implementation is to advanced optimize on the basis of embodiment 1, and the present embodiment emphasis illustrates and implements
The improvements that example 1 is compared, something in common repeat no more, and water inlet pipe 12 and drainpipe are arranged at one end far from spray head 14,
Drainage channel 10 is communicated with drainpipe, and cooling duct 11 is communicated with water inlet pipe 12, is existed by cooling duct 11 and drainage channel 10
Return flow line is formed in oxygen rifle, accelerates the cooling on the outside of oxygen rifle, improves the de- slag effect of oxygen rifle outer surface.
Case study on implementation four: as shown in Figure 2, this implementation is to advanced optimize on the basis of embodiment 1, the present embodiment emphasis
Illustrate improvements compared with Example 1, something in common repeats no more, and 14 axle center of spray head is arranged symmetrically, and there are four spray-holes
15。
Although reference be made herein to the utility model is described in multiple explanatory embodiments of the utility model, still,
It should be understood that those skilled in the art can be designed that a lot of other modification and implementations, these modifications and implementations
It will fall within scope and spirit disclosed in the present application.More specifically, it is disclosed and the scope of the claims in the application
It is interior, can building block to theme combination layout and/or layout carry out a variety of variations and modifications.In addition to building block and/
Or outside the variations and modifications of layout progress, to those skilled in the art, other purposes also be will be apparent.
Claims (5)
1. a kind of novel steep-taper oxygen lance, including spray head (14) and oxygen pipe (7), which is characterized in that the oxygen pipe (7) outside by it is interior to
Successively it is arranged with medial sleeve (5) and outer sleeve (9) outside, outer sleeve (9) is disposed with steep-taper Taper Pipe section (1), small
Conicity taper pipeline section (2), the first straight section (3), back taper changeover portion (4), tilting section (6) and the second straight section (8), steep-taper Taper Pipe section
(1), it is provided with raised (16) on the inside of Small Taper Taper Pipe section (2) and the first straight section (3), the outer sleeve (9) and middle part cover
It is formed with cooling duct (11) between pipe (5), cooling duct (11) are communicated with water inlet pipe (12), the medial sleeve (5) and oxygen
It is formed with drainage channel (10) between pipe (7), drainage channel (10) is communicated with drainpipe (13).
2. novel steep-taper oxygen lance according to claim 1, which is characterized in that it is described protrusion (16) be semi-cylindrical hill or
Arc convex.
3. novel steep-taper oxygen lance according to claim 1, which is characterized in that the steep-taper Taper Pipe section (1), Small Taper
Taper Pipe section (2) and the first straight section (3) are all made of entirety and connect without horizontal position welding.
4. novel steep-taper oxygen lance according to claim 1, which is characterized in that the taper model of the steep-taper Taper Pipe section
Enclosing is 4 °~5 °, and Small Taper Taper Pipe section (2) range of taper is 5 °~6 °.
5. novel steep-taper oxygen lance according to claim 1, which is characterized in that the water inlet pipe (12) is all provided with drainpipe
It sets in one end far from spray head (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822105817.1U CN209456491U (en) | 2018-12-14 | 2018-12-14 | A kind of novel steep-taper oxygen lance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822105817.1U CN209456491U (en) | 2018-12-14 | 2018-12-14 | A kind of novel steep-taper oxygen lance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209456491U true CN209456491U (en) | 2019-10-01 |
Family
ID=68040797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822105817.1U Active CN209456491U (en) | 2018-12-14 | 2018-12-14 | A kind of novel steep-taper oxygen lance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209456491U (en) |
-
2018
- 2018-12-14 CN CN201822105817.1U patent/CN209456491U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208791676U (en) | A kind of blast-furnace tuyere for preventing from upwarping | |
| CN209456491U (en) | A kind of novel steep-taper oxygen lance | |
| CN208527654U (en) | A kind of dust-extraction unit for electrode rotary double-station LF furnace | |
| CN204550682U (en) | A kind of non-ferrous metal oxygen-enriched bottom-blowing oxygen lance | |
| CN102191352A (en) | Coherent jet lance | |
| CN204661752U (en) | A kind of oxygen-enriched bottom-blowing stove oxygen rifle | |
| CN203960253U (en) | Spreader formula line feeding rifle for a kind of steel-making | |
| CN210176900U (en) | Argon sealing device for argon sealing refined steel | |
| JP7225793B2 (en) | Water-cooled lance for refining and decarburization blowing method | |
| CN102134627B (en) | Double-channel oxygen lance | |
| CN209702795U (en) | A kind of flange form steep-taper oxygen lance | |
| CN209338599U (en) | A kind of steel making oxygen lance | |
| CN205917295U (en) | Converter is with steelmaking oxygen rifle shower nozzle | |
| CN207713764U (en) | A kind of oxygen rifle for oxygen decarburization | |
| CN104120215A (en) | Powder spraying top lance for RH vacuum refining | |
| CN106011367A (en) | Steelmaking oxygen lance nozzle for converter | |
| CN207391476U (en) | A kind of oxygen rifle with nozzle | |
| CN206755902U (en) | Blast furnace, open hearth tap a blast furnace（Steel）Mouth dynamic smoke collecting device | |
| CN202865258U (en) | Top lance for vacuum refining of molten steel | |
| CN204550647U (en) | A kind of device for melting residual iron, residue in ladle or iron bag | |
| CN2844129Y (en) | Reversed conical-degree oxygen gun | |
| CN215481048U (en) | Oxygen lance head for oxygen jet quick steel blowing of large-flow oxygen lance | |
| CN202164320U (en) | Device preventing mushroom head from being blocked during steelmaking of converter | |
| CN213570569U (en) | Tapping side-blown gas stirring converter in tapping process | |
| CN208898933U (en) | A kind of continuous type water cooled oxygen lance system of lift |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |