CN202165717U - Metal hose for oxygen delivering of oxygen lance - Google Patents
Metal hose for oxygen delivering of oxygen lance Download PDFInfo
- Publication number
- CN202165717U CN202165717U CN2011202642635U CN201120264263U CN202165717U CN 202165717 U CN202165717 U CN 202165717U CN 2011202642635 U CN2011202642635 U CN 2011202642635U CN 201120264263 U CN201120264263 U CN 201120264263U CN 202165717 U CN202165717 U CN 202165717U
- Authority
- CN
- China
- Prior art keywords
- oxygen
- metal
- metal hose
- hose
- waves
- 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.)
- Expired - Fee Related
Links
Images
Abstract
A metal hose for oxygen delivering of an oxygen lance is used for solving the problem that the metal hose is large in radial torsion stress and accordingly service life of the metal hose is affected. The metal hose comprises a connector, a connecting tube and a hose body which are sequentially connected. The hose body sequentially comprises stainless steel mesh covers, a metal corrugation tube and a metal liner tube from outside to inside, and an outer sheath is respectively sleeved on the stainless steel mesh covers at two ends of the hose body. After improvement, the metal corrugation tube is in deep U-shaped, and the ratio of the wave pitch L to the height of wave form H is 1:1.3. The metal hose for oxygen delivering of the oxygen lance has the advantages that 1 deep U-shaped waves are adopted and a straight edge section of a designed ring board is enlarged so that the flexibility of the metal hose is greatly improved, the displacement is 1.5 times of that of common U-shaped waves, simultaneously the wave pitch of the corrugation tube is smaller than that of common corrugation tubes so that waves within effective length are increased and the flexibility of the metal hose is greatly improved and service life of the metal hose is greatly prolonged; and 2 an oxygen source connecting end adopts a spherical hinged connector to connect a combination member, thereby meeting the requirement for omnibearing radial rotation of the oxygen lance.
Description
Technical field
The utility model relates to a kind of metallic hose, and particularly iron and steel metallurgical industry oxygen rifle delivering oxygen is used metallic hose, belongs to the pipe fitting technical field.
Background technique
In the Ferrous Metallurgy field, no matter to take oxygen coal powder flux tuyere composite blowing blast furnace iron-smelting technology, still take Electrosmelting Of Steel oxygen rifle converting process, oxygen delivery is the important device that oxygen rifle and source of oxygen are flexible coupling in the smelting iron and steel manufacturing process with metallic hose.The flexible displacement of oxygen rifle through metallic hose, dropping to apart from the molten steel face is 200～1000mm place, the oxygen rifle that connects through metallic hose in smelting furnace, carries out blowing oxygen the decarburization slag making and operates.Along with iron and steel metallurgy smelting process continuous advancement in technology; Smelting iron and steel oxygen blast technology improves constantly; The oxygen blast operation requires metallic hose can not only satisfy vertical movement oxygen therapy blowing technique requirement up and down, and satisfies the comprehensive requirement of radially rotating simultaneously, reduces the radial distorted stress of oxygen rifle and source of oxygen connection part; Improve the oxygen therapy service life of metallic hose, thereby improve smelting iron and steel production capacity and productivity effect.Based on above-mentioned requirements, need improve with the structure of metallic hose existing delivering oxygen.
The model utility content
The utility model is used to solve the defective of prior art and provides that a kind of flexibility is good, service life is high, satisfies the comprehensive oxygen rifle delivering oxygen that requires that radially rotates of oxygen rifle simultaneously and uses metallic hose.
The alleged problem of the utility model is solved by following technological scheme:
A kind of oxygen rifle delivering oxygen is used metallic hose; Comprise the joint, adapter and the flexible pipe body that link to each other successively in the formation; The flexible pipe body is followed successively by stainless steel net, metal bellows, metal inner lining pipe from outside to inside; The stainless steel net outside at flexible pipe body two ends is provided with oversheath, and its specialization is: said metal bellows is dark U-shaped ripple, and the ratio of its pitch of waves L and waveform height H is 1:1.3.
Above-mentioned oxygen rifle delivering oxygen is used metallic hose, and said joint is a flexural pivot.
Above-mentioned oxygen rifle delivering oxygen is used metallic hose, and the pitch of waves L of said bellows is 20～30mm, and waveform end radii R is 5～7.5mm.
The utility model is big with metallic hose radial distorted stress to existing oxygen rifle delivering oxygen; Influence metallic hose service life problem; Existing oxygen is improved with the structure of metallic hose; Its characteristics are following: 1. the metal bellows waveform of flexible pipe body adopts and deepens the U-shaped ripple, and its pitch of waves and waveform height ratio are 1:1.3.This design ring flat-plate straight section lengthening, thus the flexibility of metallic hose is improved greatly, and its displacement is 1.5 times of general U-shaped ripple displacement; Simultaneously; Because of the general bellows pitch of waves of the bellows pitch of waves is little, make ripple number increase in the effective length, this has improved the flexibility and the service life of metallic hose greatly; 2. take flexural pivot to be connected compostle member with the source of oxygen connecting end, satisfy that the oxygen rifle is comprehensive radially to rotate requirement.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is a metal bellows waveform schematic representation.
Label is represented as follows in the accompanying drawing: 1. flexural pivot; 2. fastening flange; 3. flange bolt; 4. lifting flange; 5. take over; 6. land; 7. metal bellows; 8. metal inner lining pipe; 9. stainless steel net; 10. oversheath; 11. end cap; 12. lap joint flange; 13. weldingon collar.
Embodiment
Referring to Fig. 1; The utility model formation comprises flexural pivot 1, adapter 5 and the flexible pipe body that links to each other successively; The flexible pipe body is followed successively by stainless steel net 9, metal bellows 7, metal inner lining pipe 8 from outside to inside, is provided with oversheath 10 in the stainless steel net outside at flexible pipe body two ends.Be arranged in the metal bellows can do flexiblely synchronously to move with the flexible pipe body, metal inner lining flexible pipe that inwall is level and smooth, with the isometric design of metal bellows, two ends take welding manner to give permanent fixation.Adapter 5, land 6, flexible pipe body, fastening flange 2, lifting flange 4, end cap 11, lap joint flange 12 and weldingon collar 13 are welded as a whole through assembling.The lap joint flange end is connected with the oxygen rifle.Flexural pivot 1 in the setting of fastening flange end is connected with source of oxygen by one group of universal spherical joint.Adopt flexural pivot to change conventional flange formula butt joint Placement; When the oxygen rifle rotates; Metallic hose rotates with the oxygen rifle, and the drive ball articulated joint is rotated synchronously, thereby realizes the comprehensive displacement of oxygen rifle and freely rotate; Elimination is moved because of oxygen rifle reciprocation cycle is comprehensive, to the comprehensive stress of metallic hose and source of oxygen generation.
Referring to Fig. 2, the metal bellows 7 of the utility model is dark U-shaped ripple, and the ratio of its pitch of waves L and waveform height H is 1:1.3.That is: when pitch of waves L was 20～30mm, the waveform height H then was 26～39mm, and the waveform end radii is: 5～7.5mm, waveform ring flat-plate straight section length h is: 16～24mm.Owing to take dark ripple U-shaped design; It is ring flat-plate straight section lengthening and the flexibility of metallic hose is improved greatly; The displacement of this intensification U-shaped ripple is 1.5 times of general U-shaped ripple (pitch of waves and waveform height ratio are 1:1) displacement, and simultaneously, generally the bellows pitch of waves is little because of the bellows pitch of waves; The ripple number increases in the effective length and make, and this has improved the flexibility and the service life of metallic hose greatly.
Claims (3)
1. an oxygen rifle delivering oxygen is used metallic hose; It comprises joint, adapter and the flexible pipe body that links to each other successively; The flexible pipe body is followed successively by stainless steel net, metal bellows, metal inner lining pipe from outside to inside; The stainless steel net outside at flexible pipe body two ends is provided with oversheath, it is characterized in that: said metal bellows (7) is dark U-shaped ripple, and the ratio of its pitch of waves L and waveform height H is 1:1.3.
2. oxygen rifle delivering oxygen according to claim 1 is used metallic hose, it is characterized in that: said joint is flexural pivot (1).
3. oxygen rifle delivering oxygen according to claim 1 and 2 is used metallic hose, it is characterized in that: the pitch of waves L of said bellows (7) is 20～30mm, and waveform end radii R is 5～7.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202642635U CN202165717U (en) | 2011-07-25 | 2011-07-25 | Metal hose for oxygen delivering of oxygen lance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202642635U CN202165717U (en) | 2011-07-25 | 2011-07-25 | Metal hose for oxygen delivering of oxygen lance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202165717U true CN202165717U (en) | 2012-03-14 |
Family
ID=45801540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202642635U Expired - Fee Related CN202165717U (en) | 2011-07-25 | 2011-07-25 | Metal hose for oxygen delivering of oxygen lance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202165717U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102734572A (en) * | 2012-06-07 | 2012-10-17 | 南通曙光波纹管制造有限公司 | Novel top oxygen blast metal hose for steel converter |
| CN102840400A (en) * | 2012-09-06 | 2012-12-26 | 江苏永钢集团有限公司 | Antiwear metal hose |
| CN104989891A (en) * | 2015-07-10 | 2015-10-21 | 秦皇岛北方管业有限公司 | Leakproof oxygen lance cooling water metal hose long in service life |
| CN105673980A (en) * | 2016-03-16 | 2016-06-15 | 石家庄巨力科技有限公司 | Oxygen blowing metal hose long in service life |
-
2011
- 2011-07-25 CN CN2011202642635U patent/CN202165717U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102734572A (en) * | 2012-06-07 | 2012-10-17 | 南通曙光波纹管制造有限公司 | Novel top oxygen blast metal hose for steel converter |
| CN102840400A (en) * | 2012-09-06 | 2012-12-26 | 江苏永钢集团有限公司 | Antiwear metal hose |
| CN104989891A (en) * | 2015-07-10 | 2015-10-21 | 秦皇岛北方管业有限公司 | Leakproof oxygen lance cooling water metal hose long in service life |
| CN105673980A (en) * | 2016-03-16 | 2016-06-15 | 石家庄巨力科技有限公司 | Oxygen blowing metal hose long in service life |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202165717U (en) | Metal hose for oxygen delivering of oxygen lance | |
| CN110317914A (en) | Blast-furnace top distributing device for steel scrap fixed point charging | |
| CN108220515B (en) | A kind of vertical two-part pulverized coal injection in blast furnace method | |
| CN206872863U (en) | A kind of electric furnace oxygen lance | |
| CN201949956U (en) | Top lance applied to steel production | |
| CN201723914U (en) | Wear-resistant metal hose | |
| CN201080487Y (en) | Anti-twisting oxygen gun cooling water metal hose | |
| CN105673980B (en) | A kind of long-life oxygen-blown metal hose | |
| CN106498107A (en) | A kind of blast furnace air-supply belly pipe and its method for processing and assembling for avoiding little set abrasion | |
| CN112458227A (en) | Dephosphorization equipment for producing nickel pig iron by using laterite-nickel ore and using method thereof | |
| CN201507512U (en) | High-strength connection structure for steel pipe | |
| CN208980755U (en) | Improved Ou Yelu dust line horizontal pipe | |
| CN201049955Y (en) | Oxygen gun automatic adjusting device for smelting steel | |
| CN2718357Y (en) | Oxygen-blown metal hose | |
| CN216712151U (en) | Efficient converter bottom blowing element | |
| CN201145472Y (en) | Split type welding compound casting gear roller | |
| CN220183322U (en) | Converter bottom blowing component | |
| CN201080486Y (en) | Anti-twisting oxygen gun oxygen blowing metal hose | |
| CN214735882U (en) | Can throw material formula slag bridge suitable for converter | |
| CN209854188U (en) | Furnace pit for iron making | |
| CN214458123U (en) | Material accelerating device for smelting reduction iron making | |
| CN201024178Y (en) | Double tube ceramic liner powdered coal blast gun | |
| CN203639528U (en) | Two-step copper smelting device | |
| CN201362721Y (en) | Blast furnace tuyere large sheath welded on blast furnace shell | |
| CN208857322U (en) | A kind of wear resistant three-way ash conveying device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120314 Termination date: 20170725 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |