CN106191372B - A kind of oxygen rifle pipette tips - Google Patents
A kind of oxygen rifle pipette tips Download PDFInfo
- Publication number
- CN106191372B CN106191372B CN201610843541.XA CN201610843541A CN106191372B CN 106191372 B CN106191372 B CN 106191372B CN 201610843541 A CN201610843541 A CN 201610843541A CN 106191372 B CN106191372 B CN 106191372B
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- CN
- China
- Prior art keywords
- pipette tips
- oxygen
- deflector
- oxygen rifle
- end cap
- Prior art date
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Classifications
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/42—Constructional features of converters
- C21C5/46—Details or accessories
- C21C5/4606—Lances or injectors
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Air Bags (AREA)
- Telescopes (AREA)
Abstract
The invention discloses a kind of oxygen rifle pipette tips, including oxygen cathete, intermediate casing and gun body outer tube sleeve, oxygen cathete end point is connected with a point oxygen disk, intermediate casing end point is connected with deflector, gun body outer tube sleeve end point is connected with pipette tips end cap by intermediate connector, pipette tips end cap is equipped with the jetting oxygen tube with dividing oxygen disk to be connected, and deflector is made of nonmetallic materials and its surface is streamlined；The deflector can reduce its water resistance being subject to, and effectively prevent the pipette tips caused by there is local low speeds flow region and burn problem；The cooling capacity of pipette tips can be improved, increases the cooling uniformity of pipette tips, moreover it is possible to further reduce manufacture difficulty；Compared to traditional oxygen rifle pipette tips, which is improving pipette tips intensity of cooling, has a clear superiority in terms of reducing pipette tips end cap temperature, and the cost of raw material is lower, and it is significant to reduce pipette tips cost to improving the oxygen rifle pipette tips service life for this.
Description
Technical field
The invention belongs to field of steel-making, and in particular to a kind of oxygen rifle pipette tips.
Background technology
In pneumatic steelmaking, oxygen spray is entered converter molten pool and carries out smelting operation, rational oxygen rifle pipette tips by oxygen rifle pipette tips
Design is extremely important for improving metallurgical effect, reduction smelting cost.The working environment of oxygen rifle pipette tips is extremely severe, in converter
The extreme case such as splash there are high temperature, intense radiant heat, molten steel and slag, the service life of pipette tips can be influenced.As pneumatic steelmaking
Critical component, simplify oxygen rifle structure, improve the service life of pipette tips, reduce smelting cost and become the urgent of smelter and be essential
Ask.
In face of severe working environment, existing oxygen rifle pipette tips mainly using the good red copper of thermal conductivity and by forging or
The mode of casting manufactures, while coordinates cooling water in rifle to cool down pipette tips；Although the good red copper of thermal conductivity, oxygen rifle rifle are employed
Head is still easy to damage.One of the reason for causing pipette tips to damage be exactly：The design of pipette tips deflector is unreasonable so that pipette tips wall
, easily there is local low speeds flow region in neighbouring water velocity skewness, so as to cause pipette tips locally to be burnt.If pipette tips water conservancy diversion
Plate be designed to it is streamlined, although ensure that the reasonable layout of pipette tips near wall water velocity, since conventional pilot flowing plate is
Metal deflector, it is processed, manufacture is difficult, and production cost is high, it is difficult to in Practical Project.
The content of the invention
In view of this, it is an object of the invention to provide the oxygen rifle pipette tips that a kind of intensity of cooling is high, production cost is low.
To reach above-mentioned purpose, the present invention provides following technical solution：A kind of oxygen rifle pipette tips, including from the inside to the outside successively between
Every the oxygen cathete of setting, intermediate casing and gun body outer tube sleeve, the oxygen cathete end point is connected with a point oxygen disk, the intermediate casing
End point is connected with deflector, and the gun body outer tube sleeve end point is connected with pipette tips end cap, the pipette tips by intermediate connector
End cap is equipped with the jetting oxygen tube with dividing oxygen disk to be connected, and the deflector is made of nonmetallic materials and its surface is streamlined.
Further, the deflector is by nylon, PPSF/PPSU materials, PC materials, ULTEM9085 materials and PC-ABS
One or more be made.
Further, the deflector is made of injection moulding or 3D printing.
Further, the deflector is inserted on intermediate casing by slot.
Further, the deflector and high temperature glue sticking is passed through through between the jetting oxygen tube of deflector.
Further, the intermediate connector is Copper steel cladding material.
Further, the intermediate connector is made of compression casting, and copper steel joint is zigzag.
Further, the intermediate connector is made of 3D printing.
Further, spray oxygen protection section is additionally provided with the jetting oxygen tube.
Further, the pipette tips end cap outer end face is equipped with antiradiation coating.
The beneficial effects of the present invention are：
Deflector in the oxygen rifle pipette tips is airflow design, can reduce its water resistance being subject to, and makes deflector wall attached
The uniformity of nearly water velocity distribution is improved, and be effectively prevent the pipette tips caused by there is local low speeds flow region and is burnt
Wear problem；Deflector is made of nonmetallic materials, can not only improve the cooling capacity of pipette tips, and the cooling for increasing pipette tips is uniform
Property, moreover it is possible to manufacture difficulty is further reduced, so as to fulfill the reduction of production cost.
Using having the characteristics that nonmetallic materials heat-resisting, that impact resistance is strong, good flame resistance, processing performance are good, both it was beneficial to
Realize injection moulding or 3D printing shaping, also efficiently solve material cost and manufacture cost is higher, it is difficult to for engineering practice
The problem of.Compared to traditional oxygen rifle pipette tips, which is improving pipette tips intensity of cooling, has in terms of reducing pipette tips end cap temperature bright
Aobvious advantage, and the cost of raw material is lower, it is significant to reduce pipette tips cost to improving the oxygen rifle pipette tips service life for this.
Brief description of the drawings
In order to make the purpose of the present invention, technical solution and beneficial effect clearer, the present invention provides drawings described below and carries out
Explanation：
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is pipette tips Temperature Distribution cloud atlas；
Fig. 3 is pipette tips stress distribution cloud atlas；
Fig. 4 is existing deflector pipette tips end cap Temperature Distribution cloud atlas；
Fig. 5 is 1 deflector pipette tips end cap Temperature Distribution cloud atlas of embodiment.
Embodiment
Below in conjunction with attached drawing, the preferred embodiment of the present invention is described in detail.
As shown in the figure, the oxygen rifle pipette tips in the present invention, including spaced oxygen cathete 1, intermediate sleeve successively from the inside to the outside
Pipe 2 and gun body outer tube sleeve 3,1 end point of oxygen cathete are connected with a point oxygen disk 4, and 2 end point of intermediate casing is connected with water conservancy diversion
Plate 5,3 end point of gun body outer tube sleeve are connected with pipette tips end cap 7 by intermediate connector 6, the pipette tips end cap 7 be equipped with
The jetting oxygen tube 8 for dividing oxygen disk 4 to be connected, the deflector 5 is made of nonmetallic materials and its surface is streamlined.
Specifically, fairshaped deflector 5 can reduce its water resistance being subject to, make deflector near wall water velocity point
The uniformity of cloth is improved, and be effectively prevent the pipette tips caused by there is local low speeds flow region and is burnt problem；Water conservancy diversion
Plate 5 is made of nonmetallic materials, can not only be improved the cooling capacity of pipette tips, be increased the cooling uniformity of pipette tips, moreover it is possible into one
Step reduces manufacture difficulty, so as to fulfill the reduction of production cost.
Further as such scheme is improved, and the deflector 5 is by durability nylon, PPSF/PPSU materials, PC materials
One or more in material, ULTEM9085 materials and PC-ABS are made.This portion of material have it is heat-resisting, impact resistance is strong, fire-retardant
The features such as property is good, processing performance is good；Using injection moulding or 3D printing be made, efficiently solve material cost and manufacture cost compared with
It is high, it is difficult to the problem of for engineering practice, can to realize streamlined water conservancy diversion on a large scale on the premise of oxygen rifle pipette tips cost is not increased
The commercial Application of plate.
Further as such scheme is improved, and the deflector 5 is inserted on intermediate casing 2 by slot, deflector
By high temperature glue sticking between the jetting oxygen tube through deflector, the installation difficulty of deflector 5 can be effectively reduced.For the ease of dress
Match somebody with somebody, deflector 5 can be also divided into polylith manufacture, each piece of deflector is respectively charged into pipette tips by when assembling, to each other using glue
Bonding mode connects.
Further as such scheme is improved, and the intermediate connector 6 is Copper steel cladding material.Specifically, among this
Connector 6 can be made of compression casting, and zigzag is in copper steel joint when using compression casting；Also 3D printing system can be used
Into.Extra increased intermediate connector 6 can easily realize pipette tips and the assembled in situ of the body of a gun, when being connected using intermediate connector 6,
The copper end of intermediate connector 6 is welded with pipette tips end cap 7, and steel end and the gun body outer tube sleeve 3 of intermediate connector 6 are welded.Which has
Effect solves the problems such as big steel plant's scene pipette tips, body of a gun copper steel heterogeneous material welding difficulty, poor welding quality, greatly reduces
Pipette tips and gun body site welding difficulty, improve bonding strength and service life.In addition, can also be by the way that intermediate connector 6 be done
Into different size, shorten to solve the body of a gun caused by replacing pipette tips during use and make what whole oxygen rifle length shortened to ask
Topic.
Further as such scheme is improved, and spray oxygen protection section is additionally provided with the jetting oxygen tube 8.Spray oxygen protection section can
Also can directly be the straight tube for being arranged on 8 exit of jetting oxygen tube for the boss for being arranged on 8 exit of jetting oxygen tube and center is straight tube
Section, straight pipe is integrated with pipette tips end cap 7 at this time.When ablation occurs for 8 outlet cone section of pipette tips jetting oxygen tube, due to the protection section
Presence, ablation can be made to first occur at the position, effectively protect 8 outlet cone section of jetting oxygen tube to exempt from scaling loss.
Further as such scheme is improved, and 7 outer end face of pipette tips end cap is equipped with antiradiation coating.The coating can
Effectively reflection molten steel radiations heat energy, fundamentally reduces the energy that pipette tips obtain, and reduces pipette tips temperature.
Embodiment 1 (by taking 120T converter oxygen guns as an example)
Oxygen rifle pipette tips inner deflector operating temperature is low, and in general its operating temperature is less than 55 DEG C, deflector Temperature Distribution
See attached drawing 2；Oxygen rifle pipette tips inner deflector stress is small, and almost identical hydrostatic pressure is subject in deflector both sides, its stress distribution
See attached drawing 3.Therefore, on the premise of intensity and heat resistant requirements is met, it is molding metal deflector can be substituted for easy processing
Nonmetallic deflector.
Conventional metals deflector is substituted for streamlined nonmetallic deflector, by numerical computations, using above-mentioned skill
The oxygen rifle pipette tips end cap maximum temperature of art scheme is about 151 DEG C, and 193 DEG C of the maximum temperature of more traditional oxygen rifle pipette tips end cap reduces
21.7%；It it is about 74 DEG C with the oxygen rifle pipette tips end cap mean temperature of above-mentioned technical proposal, more traditional oxygen rifle pipette tips end cap is averaged
94 DEG C of temperature reduces 21.2%；This technology pipette tips and traditional pipette tips Temperature Distribution cloud atlas are as shown in Figure 4, Figure 5.
If deflector uses high intensity, high temperature resistant, shock resistance, resistant to bending PC materials, traditional deflector uses steel material
Material, at this time, this technology pipette tips are compared with traditional pipette tips：Unit volume deflector raw material expense can reduce 70%-80%.
Therefore, pipette tips intensity of cooling is being improved, is reducing pipette tips end cap temperature compared to traditional oxygen rifle pipette tips, this patent oxygen rifle pipette tips
Have a clear superiority in terms of degree, and the cost of raw material is lower, to improving the oxygen rifle pipette tips service life, reducing pipette tips cost has important meaning for this
Justice.
Finally illustrate, preferred embodiment above is merely illustrative of the technical solution of the present invention and unrestricted, although logical
Cross above preferred embodiment the present invention is described in detail, however, those skilled in the art should understand that, can be
Various changes are made to it in form and in details, without departing from claims of the present invention limited range.
Claims (6)
1. a kind of oxygen rifle pipette tips, including spaced oxygen cathete, intermediate casing and gun body outer tube sleeve successively from the inside to the outside, it is described
Oxygen cathete end point is connected with a point oxygen disk, and the intermediate casing end point is connected with deflector, the gun body outer tube sleeve end point
Pipette tips end cap is connected with by intermediate connector, the pipette tips end cap is equipped with the jetting oxygen tube with dividing oxygen disk to be connected, its feature
It is：The deflector is made of nonmetallic materials and its surface is streamlined；The intermediate connector is Copper steel cladding material；
The intermediate connector is made of compression casting, and copper steel joint is zigzag；Spray oxygen is additionally provided with the jetting oxygen tube to protect
Protect section；The pipette tips end cap outer end face is equipped with antiradiation coating.
2. oxygen rifle pipette tips according to claim 1, it is characterised in that：The deflector by nylon, PPSF/PPSU materials,
One or more in PC materials, ULTEM9085 materials and PC-ABS are made.
3. oxygen rifle pipette tips according to claim 1, it is characterised in that：The deflector is using injection moulding or 3D printing system
Into.
4. oxygen rifle pipette tips according to claim 1, it is characterised in that：The deflector is inserted into intermediate casing by slot
On.
5. oxygen rifle pipette tips according to claim 1, it is characterised in that：The deflector and through between the jetting oxygen tube of deflector
Pass through high temperature glue sticking.
6. oxygen rifle pipette tips according to claim 1, it is characterised in that：The intermediate connector is made of 3D printing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610843541.XA CN106191372B (en) | 2016-09-22 | 2016-09-22 | A kind of oxygen rifle pipette tips |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610843541.XA CN106191372B (en) | 2016-09-22 | 2016-09-22 | A kind of oxygen rifle pipette tips |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106191372A CN106191372A (en) | 2016-12-07 |
| CN106191372B true CN106191372B (en) | 2018-05-11 |
Family
ID=58068166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610843541.XA Active CN106191372B (en) | 2016-09-22 | 2016-09-22 | A kind of oxygen rifle pipette tips |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106191372B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109295276A (en) * | 2018-10-24 | 2019-02-01 | 周贵英 | Efficient combined-type forges and presses oxygen lance nozzle |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2775067Y (en) * | 2005-04-01 | 2006-04-26 | 高士乐 | Combined welding type oxygen gun blow head |
| CN2869598Y (en) * | 2006-02-24 | 2007-02-14 | 刘延春 | Vacuum-pressure casted oxygen gun nozzle |
| CN202542467U (en) * | 2012-03-29 | 2012-11-21 | 苏州中德机电装备有限公司 | Cooling tunnel |
| CN105689906A (en) * | 2016-05-03 | 2016-06-22 | 重庆耐德能源装备集成有限公司 | Method for welding materials with different welding characteristics |
| CN206033789U (en) * | 2016-09-22 | 2017-03-22 | 中冶赛迪工程技术股份有限公司 | Oxygen rifle head |
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2016
- 2016-09-22 CN CN201610843541.XA patent/CN106191372B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106191372A (en) | 2016-12-07 |
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