CN209456493U - A kind of novel steelmaking oxygen rifle - Google Patents
A kind of novel steelmaking oxygen rifle Download PDFInfo
- Publication number
- CN209456493U CN209456493U CN201822213313.1U CN201822213313U CN209456493U CN 209456493 U CN209456493 U CN 209456493U CN 201822213313 U CN201822213313 U CN 201822213313U CN 209456493 U CN209456493 U CN 209456493U
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- oxygen
- oxygen rifle
- lance nozzle
- screen plate
- venthole
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Abstract
The utility model relates to a kind of novel steelmaking oxygen rifles, including oxygen rifle ontology, the oxygen lance nozzle being connect with oxygen rifle ontology, the cooling body being connected on oxygen rifle ontology, the oxygen lance nozzle bottom is provided with the different venthole in multiple apertures, and the oxygen lance nozzle bottom of inner tube is connected with the sorting mechanism of the venthole for selecting to open different pore size.Present applicant proposes a kind of novel steelmaking oxygen rifles, the venthole that the oxygen lance nozzle of the oxygen rifle passes through setting different pore size, it is passed through the amount of oxygen in converter according to specific needs to select different venthole sizes, that is, is not in waste or ineffective situation to flow of oxygen.
Description
Technical field
The utility model relates to oxygen rifle technical fields, and in particular to a kind of novel steelmaking oxygen rifle.
Background technique
In steel smelting procedure, oxygen gun blowing is essential link, and the component of oxygen rifle front end is oxygen lance spraying
Head, the quality of spray head determine the superiority and inferiority of oxygen rifle performance to a certain extent, and in oxygen blast, high speed oxygen stream is from spray head paranasal sinuses
Solution in directive converter, is stirred to increase molten bath oxygen uptake degree molten steel, carries out decarburization, dephosphorization, desulfurization to molten steel.
Existing oxygen lance nozzle, which is usually fixed, to be connected in oxygen rifle, and oxygen lance nozzle bottom is connected with one perpendicular to converter
Oxygen lance nozzle is protruded into inside converter by converter mouth in use, enters the oxygen in oxygen rifle by the escape pipe of bottom
It is discharged, is entered in the molten steel in converter by escape pipe.
But existing oxygen lance nozzle only one vertical escape pipe in use, steel to be treated in converter
The amount of slag is not to be the same always, sometimes fewer, then the amount of oxygen for needing to be passed through is with regard to fewer, if using identical
Big oxygen outlet be passed through, it will oxygen is caused to waste；Steel slag amount sometimes in converter is relatively more, if the venthole used
It is smaller, then ventilation efficiency can be made to be lower, the working time extends, and working efficiency is low.And the oxygen lance nozzle of existing one outlet exists
The steel contacts area for making to enter when spraying oxygen in the oxygen and converter in converter is smaller, to the place of the molten steel in converter
Not exclusively, treatment effeciency is very low for reason；Vertical escape pipe can make impact of the oxygen entered in converter to the molten steel in converter
Dynamics is larger, is easy to make molten steel splash.
Utility model content
There was only a kind of escape pipe in aperture in use for existing oxygen lance nozzle, there is the dosage meeting to oxygen
It causes to waste or cause ineffective problem, present applicant proposes a kind of novel steelmaking oxygen rifle, the oxygen lance nozzle is logical
The venthole for crossing setting different pore size, i.e., be passed through the amount of oxygen in converter according to specific needs to select different ventholes big
It is small, that is, it is not in waste or ineffective situation to flow of oxygen.
To achieve the goals above, the utility model provides a kind of novel steelmaking oxygen rifle, including oxygen rifle ontology and oxygen rifle
The oxygen lance nozzle of ontology connection, the cooling body being connected on oxygen rifle ontology, it is characterised in that: the oxygen lance nozzle bottom setting
The venthole for having multiple apertures different, the oxygen lance nozzle bottom of inner tube are connected with the venthole for selecting opening different pore size
Sorting mechanism.
The working principle and process of the technical program are as follows: when using the oxygen lance nozzle in the application, first by oxygen rifle
Spray head is mounted in oxygen rifle, the aperture for needing the venthole of selection is determined according to molten steel amount to be treated in converter, in determination
After the pore size of selection, the venthole in the aperture of selection is opened by sorting mechanism, is passed through converter according to specific needs
In amount of oxygen select different venthole sizes, when the amount of oxygen for needing to be passed through is less, open the venthole of small-bore,
Close the venthole of large aperture；When the amount of oxygen for needing to be passed through is more, the venthole of large aperture is opened, closes going out for small-bore
Stomata, makes to enter the oxygen in oxygen lance nozzle in oxygen rifle and is discharged from the venthole of selection, and sorting mechanism is by other apertures
Venthole blocks closing, and oxygen is avoided to be discharged from the venthole in other apertures.
Compared with traditional oxygen lance nozzle, the oxygen lance nozzle in the application passes through the venthole that multiple and different apertures are arranged,
According to actual needs, it carries out screening most suitable venthole by sorting mechanism, is so not in the wave to flow of oxygen
Take or ineffective situation, has saved the energy, improved work efficiency.
Further, the oxygen rifle ontology includes inner tube, the cooling body include the middle pipe being connected to outside oxygen rifle inner tube,
And it is connected to the outer tube outside middle pipe, cooling water intake chamber is formed between the middle pipe and inner tube, between the middle pipe and outer tube
It is formed and is connected to effluent trough with intake chamber.After oxygen in oxygen rifle is passed into the molten iron in converter, the temperature in converter is very high,
If not carrying out cooling treatment to oxygen lance nozzle, the oxygen lance nozzle being in converter will be damaged quickly, and the service life is very short, by
It is managed in connecting outside oxygen rifle inner tube and outer tube, forms cooling water intake chamber between middle pipe and inner tube, that is, during the cooling water entered arrives first
Between pipe and inner tube, intake chamber and effluent trough be it is interconnected, formed inflow and outflow circuit oxygen lance nozzle is carried out it is cold
But it handles, in use, intake chamber connects cooling water supply unit, and effluent trough connects drainage arrangement, can make so whole
There is cooling water to be passed through always in a circuit, cooling treatment protection is carried out to oxygen lance nozzle.
Further, the sorting mechanism includes the support column for being welded on oxygen lance nozzle bottom, activity on the support column
It is arranged with the screen plate with center ring, the fixed mechanism of fixed screen plate is connected on the support column.It is carried out to aperture
When screening, staff unclamps fixed mechanism, and then by driving screen plate rotation, screen plate is rotated to the hole blocked to needs
Place is blocked, and then screen plate is fixed by fixed mechanism again, and screen plate therein is as the flabellum of fan, fan
Leaf will need the hole blocked to cover, and the interval between flabellum and flabellum will need hole to be used to open and carry out logical oxygen, operation letter
It is single, it is easy to use.
Further, the fixed mechanism includes the threaded rod for being arranged on the support column end, is connected on the threaded rod
There is fixing bolt.When carrying out the screening in aperture, fixing bolt is unclamped by staff, then passes through driving screen plate rotation
Turn, screen plate is rotated to being blocked at the aperture for not needing ventilation, the hole ventilated will be needed to open, then again by fixing bolt
Locking.The application is fixed screen plate by using the mode of threaded rod and fixing bolt, and fixed effect is more preferable, makes
Screen plate is more preferable to the hole occlusion effect for not needing outlet, keeps equipment more stable during operation, further extends
The service life of oxygen lance nozzle.
Further, the venthole that the oxygen lance nozzle bottom is arranged in includes vertical hole and angling hole.It is existing
The venthole of oxygen lance nozzle bottom is usually vertically disposed, but usually will appear the spray of the molten steel in converter in use
It splashes terribly, while the contact area very little of the molten steel in the oxygen and converter for making oxygen lance nozzle venthole go out, in converter
Slag processing efficiency it is very slow.The application can make to go out from oxygen lance nozzle by setting vertical hole and angling hole for venthole
The direction for the hole injection gone is more to keeping molten steel in converter bigger with the oxygen contact area that sprays from oxygen lance nozzle, mention
The high treatment effeciency to steel slag in converter, improves productivity.
Further, the screen plate is made of heat-resisting material, and fire resistant layer is coated on the screen plate.
Although screen plate, at the cooling body of oxygen lance nozzle, cooling body has certain cooling effect, place to screen plate
In the position closest to converter, the screen plate in the application makes the enough length of its service life using heat-resisting material production, together
When fireprotection layer resistant to high temperature is coated on screen plate, avoid being passed through after oxygen in converter, the substances such as carbon in oxygen and converter
The flame that burning generates occurs to damage screen plate, further extends the service life of screen plate.
Further, the oxygen rifle ontology inner tube, middle pipe, outer tube and escape pipe are all made of heat-resisting material production.?
In use process, oxygen lance nozzle inner tube, middle pipe, outer tube and escape pipe require to enter inside converter, are leading into converter
Enter after oxygen reacted, the temperature in converter is just very high, if oxygen lance nozzle inner tube, middle pipe, outer tube and escape pipe
Oxygen lance nozzle will be will cause using common material production to be damaged soon, the pipe of cooling water flowing part is especially damaged it
Afterwards, if situation about largely entering in converter occurs in the water in pipe, it is just likely occurred explosion, is caused casualties, produce nothing
Method continues, and the application is by being all made of heat-resisting material production for oxygen lance nozzle inner tube, middle pipe, outer tube and escape pipe, in day
It often carries out checking and can avoid the occurrence of such peril.Wherein heat-resisting material includes alumina-silicate ceramic fibre, alumina silicate
Ceramic fibre has very strong high temperature resistance, is provided simultaneously with very strong anticorrosive property, has protection well to oxygen lance nozzle
Effect.
Further, the oxygen rifle ontology inner tube, middle pipe, outer tube and escape pipe are integral by using die casting
Structure.Due to needing cooling water to carry out cooling protection to oxygen lance nozzle in oxygen lance nozzle, this process is had to, existing
The pipeline of logical cooling water is usually to pass through what welding was formed, since cold and hot alternating causes to be easy to be cracked in pad, thus
Make oxygen lance nozzle leak, will lead to explode when in the molten steel that the water of leakage largely enters in converter, in order to avoid this feelings
The generation of condition, the application pass through oxygen lance nozzle inner tube, middle pipe, outer tube and escape pipe is integral by using die casting
The case where structure does not need to weld, avoid solder joint insecure appearance cracking leak, further improves oxygen lance nozzle and is using
Security performance in the process.
Further, the oxygen lance nozzle bottom is connected with the adsorbing mechanism for adsorbing screen plate.By in oxygen lance spraying
Head bottom connects adsorbing mechanism, screen plate can be made to further fix, avoid oxygen between screen plate and oxygen lance nozzle bottom
Gap overflow, so that staff is easier to control oxygen feeding amount.
Further, the adsorbing mechanism includes the groove that oxygen lance nozzle bottom is arranged in, and is connected in the groove
Magnet one is connected with the magnet two with one phase of magnet absorption on the screen plate.It is adsorbed by magnet, installation is simple, work
Make personnel's also enhanced convenience in use.
In conclusion the beneficial effect of the utility model compared to the prior art is:
(1) oxygen lance nozzle in the application passes through sieve according to actual needs by the way that the venthole in multiple and different apertures is arranged
It selects mechanism to carry out screening most suitable venthole, is so not in waste or ineffective feelings to flow of oxygen
Condition has saved the energy, improves work efficiency.
(2) the application is fixed screen plate by using the mode of threaded rod and fixing bolt, and fixed effect is more preferable,
Keep screen plate more preferable to the hole occlusion effect for not needing outlet, keep equipment more stable during operation, further extends
The service life of oxygen lance nozzle.
(3) screen plate in the application makes the enough length of its service life using heat-resisting material production, while screening
Fireprotection layer resistant to high temperature is coated on plate, avoids being passed through after oxygen in converter, and the substances such as oxygen and carbon in converter burn
The flame of generation damages screen plate, further extends the service life of screen plate.
(4) the application is made by the way that oxygen lance nozzle inner tube, middle pipe, outer tube and escape pipe are all made of heat-resisting material,
It is daily carry out check can avoid the occurrence of such peril.Wherein heat-resisting material includes alumina-silicate ceramic fibre, silicon
Sour aluminium ceramic fibre has very strong high temperature resistance, is provided simultaneously with very strong anticorrosive property, has to oxygen lance nozzle good
Protective effect.
(5) the application by by oxygen lance nozzle inner tube, middle pipe, outer tube and escape pipe by using die casting at one
The case where body structure does not need to weld, avoid solder joint insecure appearance cracking leak, further improving oxygen lance nozzle makes
With security performance in the process.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of novel steelmaking oxygen rifle in the utility model；
Fig. 2 is bottom view when a kind of novel steelmaking oxygen rifle is using big venthole in the utility model；
Fig. 3 is bottom view when a kind of novel steelmaking oxygen rifle is using small venthole in the utility model.
In the figure, it is marked as 1- effluent trough, 2- intake chamber, 3- outer tube is managed in 4-, 5- inner tube, 6- oxygen rifle, 7- oxygen lance nozzle,
8- venthole, 9- screen plate, 10- fixing bolt, 11- screw rod, 12- magnet one.
Specific embodiment
All features disclosed in this specification can be with any other than mutually exclusive feature and/or step
Mode combines.
In order to make those skilled in the art more fully understand the technical solution of the utility model, below with reference to Fig. 1-3 and
The utility model is described in further detail for specific embodiment.
Embodiment 1
Referring to Fig.1-3, the utility model provides a kind of novel steelmaking oxygen rifle, including oxygen rifle ontology 6 and oxygen rifle ontology 6
The oxygen lance nozzle 7 of connection, the cooling body being connected on oxygen rifle ontology 6, it is different that 7 bottom of oxygen lance nozzle is provided with multiple apertures
Venthole 8,7 inner tube of oxygen lance nozzle, 5 bottom are connected with the sorting mechanism of the venthole 8 for selecting to open different pore size.
Working principle: when using the oxygen lance nozzle 7 in the application, oxygen lance nozzle 7 is mounted on oxygen rifle ontology 6 first
On, the aperture for needing the venthole 8 of selection is determined according to molten steel amount to be treated in converter, in the pore size for determining selection
Later, the venthole 8 in the aperture of selection is opened by sorting mechanism, is passed through the amount of oxygen in converter according to specific needs to select
Different 8 sizes of venthole is selected, when the amount of oxygen for needing to be passed through is less, the venthole 8 of small-bore is opened, closes large aperture
Venthole 8；When the amount of oxygen for needing to be passed through is more, the venthole 8 of large aperture is opened, the venthole 8 of small-bore is closed, makes oxygen
It enters the oxygen in oxygen lance nozzle 7 in gun body 6 to be discharged from the venthole 8 of selection, sorting mechanism goes out other apertures
Stomata 8 blocks closing, and oxygen is avoided to be discharged from the venthole 8 in other apertures, regulates after the aperture of the venthole 8 of needs again
7 end of oxygen lance nozzle is extend into converter, after outer wall, oxygen lance nozzle 7 is taken out, after being cooled to
The different apertures of needs are adjusted again.
Compared with traditional oxygen lance nozzle 7, the oxygen lance nozzle 7 in the application passes through the venthole that multiple and different apertures are arranged
8, it according to actual needs, carries out screening most suitable venthole 8 by sorting mechanism, being in this way is not in flow of oxygen
Waste or ineffective situation, have saved the energy, have improved work efficiency.
Embodiment 2
Referring to Fig.1-3, it is based on embodiment 1, the oxygen rifle ontology 6 of the embodiment includes inner tube 5, and cooling body includes being connected to
Middle pipe 4 outside 6 inner tube 5 of oxygen rifle ontology and the outer tube 3 being connected to outside middle pipe 4, formed between middle pipe 4 and inner tube 5 cooling water into
Sink 2 forms between middle pipe 4 and outer tube 3 and is connected to effluent trough 1 with intake chamber 2.
After the oxygen in oxygen rifle ontology 6 is passed into the molten iron in converter, the temperature in converter is very high, if not to oxygen rifle
Spray head 7 carries out cooling treatment, and the oxygen lance nozzle 7 being in converter will be damaged quickly, and the service life is very short, by oxygen rifle ontology
Pipe 4 and outer tube 3 in connecting outside 6 inner tubes 5, form cooling water intake chamber 2 between middle pipe 4 and inner tube 5, that is, the cooling water entered arrives first
Between middle pipe 4 and inner tube 5, intake chamber 2 and effluent trough 1 be it is interconnected, form the circuit of inflow and outflow to oxygen lance nozzle 7
Cooling treatment is carried out, in use, intake chamber 2 connects cooling water supply unit, and effluent trough 1 connects drainage arrangement, in this way
It can make there is cooling water to be passed through always in entire circuit, cooling treatment protection is carried out to oxygen lance nozzle 7.
Embodiment 3
Referring to Fig.1-3, it is based on embodiment 1, the sorting mechanism of the embodiment includes the support for being welded on 7 bottom of oxygen lance nozzle
Column, movable sleeve is equipped with the screen plate 9 with center ring on support column, and the fixed mechanism of fixed screen plate 9 is connected on support column.
When screening to aperture, staff unclamps fixed mechanism, is then rotated, will be sieved by driving screen plate 9
It selects the rotation of plate 9 to needing to be blocked at the hole blocked, then screen plate 9 is fixed by fixed mechanism again, it is therein
For screen plate 9 as the flabellum of fan, flabellum will need the hole blocked to cover, the interval between flabellum and flabellum will need using
Hole open and carry out logical oxygen, it is easy to operate, it is easy to use.
Embodiment 4
Referring to Fig.1-3, it is based on embodiment 3, the fixed mechanism of the embodiment includes the threaded rod for being arranged on the support column end,
Fixing bolt 10 is connected on threaded rod.
When carrying out the screening in aperture, fixing bolt 10 is unclamped by staff, is then revolved by driving screen plate 9
Turn, blocked at the rotation to the aperture for not needing ventilation of screen plate 9, the hole for needing to ventilate is opened, it then again will fixed spiral shell
Bolt 10 is locked.The application is fixed screen plate 9 by using the mode of threaded rod and fixing bolt 10, fixed effect
More preferably, make screen plate 9 more preferable to the hole occlusion effect for not needing outlet, keep equipment more stable during operation, into one
Step extends the service life of oxygen lance nozzle 7.
Embodiment 5
Referring to Fig.1-3, embodiment 1, the venthole 8 that 6 head of the nozzle of oxygen rifle ontology is set of the embodiment are based on
Including vertical hole and angling hole.
The venthole 8 of existing 7 bottom of oxygen lance nozzle is usually vertically disposed, but would generally go out in use
Molten steel splash in existing converter is very serious, while the oxygen for making 7 venthole 8 of oxygen lance nozzle go out and the contact of the molten steel in converter
Area very little, it is very slow to the slag processing efficiency in converter.The application by setting vertical hole and angling hole for venthole 8,
It can make the direction sprayed from the hole that oxygen lance nozzle 7 is gone out more to making molten steel in converter and spray from oxygen lance nozzle 7
Oxygen contact area is bigger, improves the treatment effeciency to steel slag in converter, improves productivity.
Embodiment 6
Referring to Fig.1-3, it is based on embodiment 1, the screen plate 9 of the embodiment is made of heat-resisting material, applied on screen plate 9
It is covered with fire resistant layer.
Although screen plate 9, at the cooling body of 6 spray head of oxygen rifle ontology, cooling body has centainly screen plate 9
Cooling effect, but in closest to the position of converter, the screen plate 9 in the application makes its use using heat-resisting material production
Service life enough length, while fireprotection layer resistant to high temperature is coated on screen plate 9, avoids being passed through after oxygen in converter, oxygen with
The substances such as the carbon in converter occur the flame that burning generates and damage to screen plate 9, further extend the use of screen plate 9
Service life.
Embodiment 7
Referring to Fig.1-3, embodiment 2,7 inner tube 5 of oxygen lance nozzle, middle pipe 4, outer tube 3 and the escape pipe of the embodiment are based on
It is all made of heat-resisting material production.
In use, 7 inner tube 5 of oxygen lance nozzle, middle pipe 4, outer tube 3 and escape pipe require to enter in converter
Portion, after being passed through oxygen into converter and being reacted, temperature in converter is just very high, if 7 inner tube 5 of oxygen lance nozzle, in
Pipe 4, outer tube 3 and escape pipe will will cause oxygen lance nozzle 7 using common material production and be damaged soon, especially will
After the pipe damage of cooling water flowing part, if situation about largely entering in converter occurs in the water in pipe, just it is likely occurred quick-fried
It is fried, it causes casualties, production can not continue, and the application is by by 7 inner tube 5 of oxygen lance nozzle, middle pipe 4, outer tube 3 and outlet
Pipe be all made of heat-resisting material production, it is daily carry out check can avoid the occurrence of such peril.Wherein high temperature resistant material
Material includes alumina-silicate ceramic fibre, and alumina-silicate ceramic fibre has very strong high temperature resistance, is provided simultaneously with very strong anticorrosion
Property, there is good protective effect to 6 spray head of oxygen rifle.
Embodiment 8
Referring to Fig.1-3, embodiment 2,7 inner tube 5 of oxygen lance nozzle, middle pipe 4, outer tube 3 and the escape pipe of the embodiment are based on
It is into a single integrated structure by using die casting.
Due to needing cooling water to carry out cooling protection to oxygen lance nozzle 7 in oxygen lance nozzle 7, this process is had to,
The pipeline of existing logical cooling water is usually to pass through what welding was formed, since cold and hot alternating causes to be easy to tortoise in pad
It splits, to make 7 leak of oxygen lance nozzle, will lead to explode when in the molten steel that the water of leakage largely enters in converter, in order to keep away
Exempt from the generation of such case, the application by by 7 inner tube 5 of oxygen lance nozzle, middle pipe 4, outer tube 3 and escape pipe by using mould
Tool pours into an integrated entity structure, that is, does not need to weld, avoid insecure appearances of solder joint crack leak the case where, further improve oxygen
The security performance of gun sprayer 7 in use.
Embodiment 9
Referring to Fig.1-3, it is based on embodiment 1,7 bottom of the oxygen lance nozzle of the embodiment is connected with for adsorbing screen plate
9 adsorbing mechanism.
By connecting adsorbing mechanism in 7 bottom of oxygen lance nozzle, screen plate 9 can be made to further fix, avoid oxygen from sieve
It selects the gap between 7 bottom of plate 9 and oxygen lance nozzle to overflow, staff is made to be easier to control oxygen feeding amount.
Embodiment 10
Referring to Fig.1-3, it is based on embodiment 9, the adsorbing mechanism of the embodiment includes that 7 bottom of oxygen lance nozzle is arranged in
Groove is connected with magnet 1 in the groove, and the magnet with one 12 phase of magnet absorption is connected on the screen plate 9
Two.
It is adsorbed by magnet, installation is simple, staff's also enhanced convenience in use.
The specific embodiment of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
The limitation to the application protection scope therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, under the premise of not departing from technical scheme design, various modifications and improvements can be made, these belong to this
The protection scope of application.
Claims (10)
1. a kind of novel steelmaking oxygen rifle, including oxygen rifle ontology (6), the oxygen lance nozzle (7) being connect with oxygen rifle ontology (6), connection
Cooling body on oxygen rifle ontology (6), it is characterised in that: it is different that oxygen lance nozzle (7) bottom is provided with multiple apertures
Venthole (8), oxygen lance nozzle (7) inner tube (5) bottom are connected with the sieve of the venthole (8) for selecting to open different pore size
Select mechanism.
2. a kind of novel steelmaking oxygen rifle according to claim 1, it is characterised in that: the oxygen rifle ontology (6) includes interior
It manages (5), the cooling body includes the middle pipe (4) being connected to oxygen rifle inner tube (5) outside and is connected to the outer tube of middle pipe (4) outside
(3), cooling water intake chamber (2) are formed between the middle pipe (4) and inner tube (5), is formed between the middle pipe (4) and outer tube (3)
Effluent trough (1) is connected to intake chamber (2).
3. a kind of novel steelmaking oxygen rifle according to claim 1, it is characterised in that: the sorting mechanism includes being welded on
The support column of oxygen lance nozzle (7) bottom, movable sleeve is equipped with the screen plate (9) with center ring, the support on the support column
The fixed mechanism of fixed screen plate (9) is connected on column.
4. a kind of novel steelmaking oxygen rifle according to claim 3, it is characterised in that: the fixed mechanism includes that setting exists
The threaded rod of upper end of support column is connected with fixing bolt (10) on the threaded rod.
5. a kind of novel steelmaking oxygen rifle according to claim 1, it is characterised in that: be arranged in the oxygen lance nozzle (7)
The venthole (8) of bottom includes vertical hole and angling hole.
6. a kind of novel steelmaking oxygen rifle according to claim 3, it is characterised in that: the screen plate (9) uses resistance to height
Adiabator makes, and fire resistant layer is coated on the screen plate (9).
7. a kind of novel steelmaking oxygen rifle according to claim 1, it is characterised in that: in oxygen rifle ontology (6) spray head
Pipe (5), middle pipe (4), outer tube (3) and escape pipe are all made of heat-resisting material production.
8. a kind of novel steelmaking oxygen rifle according to claim 7, it is characterised in that: in oxygen rifle ontology (6) spray head
It is into a single integrated structure by using die casting to manage (5), middle pipe (4), outer tube (3) and escape pipe.
9. a kind of novel steelmaking oxygen rifle according to claim 1, it is characterised in that: oxygen lance nozzle (7) bottom connects
It is connected to the adsorbing mechanism for adsorbing screen plate (9).
10. a kind of novel steelmaking oxygen rifle according to claim 9, it is characterised in that: the adsorbing mechanism includes setting
Groove in oxygen lance nozzle (7) bottom is connected with magnet one (12) in the groove, is connected on the screen plate and the magnetic
The magnet two that iron one (12) mutually adsorbs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822213313.1U CN209456493U (en) | 2018-12-26 | 2018-12-26 | A kind of novel steelmaking oxygen rifle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822213313.1U CN209456493U (en) | 2018-12-26 | 2018-12-26 | A kind of novel steelmaking oxygen rifle |
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| CN209456493U true CN209456493U (en) | 2019-10-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113278759A (en) * | 2021-04-23 | 2021-08-20 | 王友振 | Oxygen gun for steel smelting capable of comprehensively preventing gun head from being stained with steel |
-
2018
- 2018-12-26 CN CN201822213313.1U patent/CN209456493U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113278759A (en) * | 2021-04-23 | 2021-08-20 | 王友振 | Oxygen gun for steel smelting capable of comprehensively preventing gun head from being stained with steel |
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