CN209260126U - A kind of coverter pig oxygen rifle - Google Patents
A kind of coverter pig oxygen rifle Download PDFInfo
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- CN209260126U CN209260126U CN201822213294.2U CN201822213294U CN209260126U CN 209260126 U CN209260126 U CN 209260126U CN 201822213294 U CN201822213294 U CN 201822213294U CN 209260126 U CN209260126 U CN 209260126U
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- oxygen
- venthole
- lance nozzle
- oxygen rifle
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Abstract
The utility model relates to a kind of coverter pig oxygen rifles, including oxygen rifle ontology, the oxygen lance nozzle being connect with oxygen rifle ontology, the escape pipe for being connected to oxygen lance nozzle bottom, the cooling body being connected to outside oxygen rifle, the oxygen lance nozzle bottom is provided with multiple ventholes, and the venthole includes the vertical venthole of vertical direction and the inclination venthole of inclined direction.The oxygen rifle is by the way that the venthole of spray head to be obliquely installed, the contact area of the molten steel from the oxygen and converter that venthole is discharged can be made bigger, treatment effeciency is lower, and oxygen can be dispersed to be discharged by multiple ventholes of setting, oxygen is reduced to the impact force of the molten steel in converter, reduces corrosion of the molten steel to oxygen lance nozzle.
Description
Technical field
The utility model relates to oxygen rifle technical fields, and in particular to a kind of coverter pig 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.
The oxygen lance nozzle connected in existing oxygen rifle is usually to be connected with one perpendicular to converter bottom in oxygen lance nozzle bottom
The venthole in portion is in use protruded into oxygen lance nozzle inside converter by converter mouth, and the oxygen entered in oxygen rifle is logical
Escape pipe discharge is crossed, is entered in the molten steel in converter.
But only one the vertical outlet in use of existing oxygen lance nozzle, it on the one hand enters oxygen and turns
Smaller with the steel contacts area in converter in furnace, incomplete to the processing of the molten steel in converter, treatment effeciency is very low;It is another
An oxygen outlet is only arranged in aspect, in order to enable oxygen feeding amount to be rapidly achieved requirement, it will usually which the bore of gas outlet to be arranged
It is very big, very big impact force will be generated when oxygen enters in converter in this way, makes molten steel splash in converter to oxygen lance spraying
On head, oxygen lance nozzle is damaged, shortens the service life of oxygen lance nozzle.
Utility model content
It is passed into the steel contacts face in the oxygen and converter in converter in use for existing oxygen lance nozzle
Product is small, incomplete to the steel treatment in converter, treatment effeciency is low, easily the molten steel in converter is made to splash to oxygen lance nozzle causes oxygen
Gun sprayer service life short problem, present applicant proposes a kind of coverter pig oxygen rifle, the oxygen rifle is by setting the venthole inclination of spray head
It sets, the contact area of the molten steel from the oxygen and converter that venthole is discharged can be made bigger, treatment effeciency is lower, and is arranged
Multiple ventholes can by oxygen disperse be discharged, reduce oxygen to the impact force of the molten steel in converter, reduce molten steel pair
The corrosion of oxygen lance nozzle.
To achieve the goals above, the utility model provides a kind of coverter pig oxygen rifle, including oxygen rifle ontology and oxygen rifle ontology
The oxygen lance nozzle of connection, the escape pipe for being connected to oxygen lance nozzle bottom, the cooling body that oxygen rifle ontology is set, the oxygen lance spraying
Head bottom is provided with multiple ventholes, and the venthole includes the vertical venthole of vertical direction and the inclination outlet of inclined direction
Hole.
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, when needing to oxygen is passed through in converter, the front end of oxygen lance nozzle is extend into inside converter, oxygen rifle
In oxygen enter in oxygen lance nozzle after, by the vertical venthole of oxygen lance nozzle bottom and inclination venthole discharge, from
The oxygen of vertical venthole discharge is consistent with the oxygen direction that traditional mode is discharged, but has decomposed the content of oxygen, i.e., from
Compared with the traditional way, oxygen content is less, and the impact force of generation is smaller, but total oxygen for the oxygen of vertical venthole discharge
Gas discharge rate will not be fewer than traditional amount of oxygen, because of the inclined venthole of the application CNOOC, inclined venthole is due to being
There is certain angle to discharge, therefore will not usually generate impact force, even if impact force can be generated, molten steel is also splash in converter
On, it will not be in splash to oxygen lance nozzle.Inclined venthole and vertical venthole, which is arranged, simultaneously in the application makes molten steel and oxygen
React more abundant, treatment effect is more preferable, more efficient, while will not cause to impact to the molten steel in converter greatly very much due to impact force
It is splashed to it on oxygen lance nozzle.Wherein since temperature is very high during the reaction in converter, in the external connection of oxygen lance nozzle
It is to avoid prolonged high temperature from damaging oxygen lance nozzle to carry out cooling protection to oxygen lance nozzle in cooling body.
Compared with traditional oxygen rifle, the venthole on oxygen lance nozzle in the application by be arranged to vertical venthole and
The mode that inclined venthole combines keeps the area of the oxygen spray sprayed from oxygen lance nozzle bigger, with the steel in converter
The contact area of water is bigger, and making steel treatment in converter, more rapidly treatment effeciency greatly improves;Oxygen is distinguished in the application
Inclined direction and vertical direction are injected into the molten steel of converter, impact of the oxygen that can be avoided enter into the molten steel in converter
Power is too big, splashes to molten steel on oxygen lance nozzle and causes to corrode to oxygen lance nozzle, the protection to oxygen lance nozzle is furthermore achieved
Effect has achieved the effect that extend oxygen lance nozzle service life.
Further, the cooling body includes the middle pipe being connected to outside oxygen rifle inner tube and is connected to outer outside middle pipe
Pipe forms cooling water intake chamber between the middle pipe and inner tube, formed between the middle pipe and outer tube and be connected to water outlet with intake chamber
Slot.After oxygen in oxygen rifle is passed into the molten iron in converter, the temperature in converter is very high, if not carrying out to oxygen lance nozzle cold
But it handles, the oxygen lance nozzle being in converter will be damaged quickly, and the service life is very short, in connecting outside oxygen lance nozzle inner tube
Pipe and outer tube form cooling water intake chamber between middle pipe and inner tube, that is, the cooling water entered arrives first between middle pipe and inner tube, intake
Slot and effluent trough be it is interconnected, form the circuit of inflow and outflow, in use, intake chamber connect chilled(cooling) water supply (CWS)
Device, effluent trough connect drainage arrangement, can make have cooling water to be passed through always in entire circuit in this way, carry out to oxygen lance nozzle cold
But processing protection.
Further, the inclination venthole is arranged in a ring around the vertical venthole.In oxygen lance spraying in the application
The venthole of a vertical direction is arranged in the bottom of head, the venthole of multiple inclined directions is arranged around, by inclined direction
Venthole is arranged in a ring, makes to enter the oxygen in converter and sprays from all directions, further increases from oxygen lance nozzle
The contact area of molten steel in the oxygen and converter of discharge, improves work efficiency, and the oxygen for avoiding entrance can only be handled
The position of part, enhances the functionality of oxygen nozzle.
Further, the tilt angle of the inclination venthole is 30-50 degree.It is shown by test of many times, by venthole
Inclination angle between oxygen lance nozzle bottom, which is set as 30-50 degree, to make oxygen when entering in converter, the molten steel in converter
Spraying state is few, while the face being related to is very wide.
Further, the tilt angle of the inclination venthole is 45 degree.It is shown through overtesting, by venthole and oxygen lance spraying
Inclination angle between head bottom, which is set as 45 degree, to make oxygen when entering in converter, and the molten steel spraying state in converter is most
It is few, while the area being related to is most wide.
Further, in the venthole and oxygen lance nozzle bottom, which is brazed, one layer of brass.Oxygen lance spraying in the application
Head has one layer of brass by soldering in venthole and on oxygen lance nozzle bottom, and brass will not influence heat-transfer effect, and splash
The adhesive effect of steel slag and brass in molten steel is bad, is easy cleaning, that is, can avoid staff in processing and be bonded in oxygen lance spraying
It is highly difficult when steel slag on head, need to expend a large amount of strength, the application can greatly reduce the viscous of steel slag by using brass
It connects, and to the processing time of oxygen lance nozzle, reduces manual labor, improve work efficiency simultaneously.
Further, the oxygen rifle inner tube, middle pipe, outer tube and oxygen lance nozzle are all made of heat-resisting material production.Make
With in the process, oxygen lance nozzle inner tube, middle pipe, outer tube and escape pipe require to enter inside converter, are being passed through into converter
After oxygen is reacted, the temperature in converter is just very high, if oxygen lance nozzle inner tube, middle pipe, outer tube and escape pipe are adopted
Oxygen lance nozzle will be will cause with 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 inner tube, middle pipe, outer tube are into a single integrated structure by using die casting.Due to oxygen lance spraying
Cooling water is needed to carry out cooling protection to oxygen lance nozzle in head, this process has to, the pipeline of existing logical cooling water
Usually formed by welding, since cold and hot alternating causes to be easy to be cracked in pad, thus make oxygen lance nozzle leak,
It will lead to explode when in the molten steel that the water of leakage largely enters in converter, in order to avoid this kind of situation, the application
By the way that oxygen lance nozzle inner tube, middle pipe, outer tube and escape pipe is into a single integrated structure by using die casting, that is, do not need to weld
The case where connecing, avoiding solder joint insecure appearance cracking leak, further improves the safety of oxygen lance nozzle in use
Energy.
Further, the venthole lower end is connected with tapered outlet head, by connecting tapered outlet in venthole lower end
Head, further expansion gas enters the contact area in converter with the molten steel in converter, and the bottom of tapered outlet head is also
It is able to achieve and effect is kept out to splashings, the inside for preventing the steel slag of splash in converter from entering spray head causes staff bad
Cleaning, even if there is splashings, splashings are sticked to the end face of tapered spray head, and staff also can be more square when cleaning
Just.
In conclusion the beneficial effect of the utility model compared to the prior art is:
(1) venthole on the oxygen lance nozzle in the application is by being arranged to vertical venthole and inclined venthole phase
In conjunction with mode, keep the area of the oxygen spray sprayed from oxygen lance nozzle bigger, more with the contact area of the molten steel in converter
Greatly, making steel treatment in converter, more rapidly treatment effeciency greatly improves.
(2) making oxygen in the application, inclined direction and vertical direction are injected into the molten steel of converter respectively, that is, can avoid
The oxygen of entrance is too big to the impact force of the molten steel in converter, splashes to molten steel on oxygen lance nozzle and causes corruption to oxygen lance nozzle
Erosion, is furthermore achieved the protective effect to oxygen lance nozzle, has achieved the effect that extend oxygen lance nozzle service life.
(3) venthole of one vertical direction is set in the bottom of oxygen lance nozzle in the application, setting is multiple around inclines
The venthole of tilted direction, the venthole of inclined direction is arranged in a ring, make to enter the oxygen in converter and is sprayed from all directions
Out, the contact area of the molten steel from the oxygen and converter being discharged in oxygen lance nozzle is further increased, is improved work efficiency,
And the oxygen for avoiding entrance can only handle local position, enhance the functionality of oxygen nozzle.
(4) oxygen lance nozzle in the application has one layer of brass by soldering in venthole and on oxygen lance nozzle bottom, yellow
Copper will not influence heat-transfer effect, and the adhesive effect of the steel slag and brass in the molten steel to splash is bad, is easy cleaning, that is, can avoid
Staff is highly difficult in the steel slag that processing is bonded on oxygen lance nozzle, needs to expend a large amount of strength, the application is by making
With brass, the bonding of steel slag can be greatly reduced, and to the processing time of oxygen lance nozzle, reduce manual labor, simultaneously
It improves work efficiency.
(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 coverter pig oxygen rifle in the utility model;
Fig. 2 is a kind of structural schematic diagram of the oxygen lance nozzle of coverter pig oxygen rifle in the utility model.
In the figure, it is marked as the vertical venthole of 1-, 2- effluent trough, 3- outer tube, 4- intake chamber managed in 5-, 6- oxygen rifle ontology, 7-
Inner tube, 8- oxygen lance nozzle, 9- tilt venthole, the tapered outlet head of 10-.
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. 1-2 and
The utility model is described in further detail for specific embodiment.
Embodiment 1
Referring to Fig.1-2, the utility model provides a kind of coverter pig oxygen rifle, including oxygen rifle ontology 6, connect with oxygen rifle ontology 6
Oxygen lance nozzle 8, be connected to 8 bottom of oxygen lance nozzle escape pipe, the cooling body of oxygen rifle ontology 6, the oxygen lance spraying are set
First 8 bottom is provided with multiple ventholes, and the venthole includes the vertical venthole 1 of vertical direction and tilting for inclined direction
Stomata 9.
The working principle and process of the technical program are as follows: when using the oxygen lance nozzle 8 in the application, first by oxygen rifle
Spray head 8 is mounted in oxygen rifle, when needing to oxygen is passed through in converter, the front end of oxygen lance nozzle 8 is extend into inside converter, oxygen
Vertical venthole 1 and inclination 9 row of venthole after oxygen in rifle enters in oxygen lance nozzle 8, by 8 bottom of oxygen lance nozzle
Out, the oxygen being discharged from vertical venthole 1 is consistent with the oxygen direction that traditional mode is discharged, but has decomposed containing for oxygen
Amount, i.e., compared with the traditional way, oxygen content is less, and the impact force of generation is smaller for the oxygen being discharged from vertical venthole 1, but
It is that total oxygen discharge rate will not be fewer than traditional amount of oxygen, because of the inclined venthole of the application CNOOC, inclined outlet
Hole will not usually generate impact force due to there is certain angle to discharge, even if impact force can be generated, molten steel is also spray
It splashes in converter, it will not be in splash to oxygen lance nozzle 8.Inclined venthole and vertical venthole, which is arranged, simultaneously in the application makes steel
Water reacts more abundant with oxygen, and treatment effect is more preferable, more efficient, while will not be since impact force is too greatly to the molten steel in converter
Impact is caused to be splashed to it on oxygen lance nozzle 8.Wherein since temperature is very high during the reaction in converter, in oxygen lance nozzle 8
External connection cooling body be in order to oxygen lance nozzle 8 carry out cooling protection, avoid prolonged high temperature to oxygen lance nozzle 8
It damages.
Compared with traditional oxygen rifle, the venthole on oxygen lance nozzle 8 in the application is by being arranged to vertical venthole
The mode combined with inclined venthole keeps the area of the oxygen spray sprayed from oxygen lance nozzle 8 bigger, in converter
The contact area of molten steel is bigger, and making steel treatment in converter, more rapidly treatment effeciency greatly improves;Make oxygen point in the application
Not inclined direction and vertical direction are injected into the molten steel of converter, and the oxygen that can be avoided enter into is rushed to the molten steel in converter
It is too big to hit power, splashes to molten steel on oxygen lance nozzle 8 and oxygen lance nozzle 8 is caused to corrode, is furthermore achieved to oxygen lance nozzle 8
Protective effect has achieved the effect that extend 8 service life of oxygen lance nozzle.
Embodiment 2
Referring to Fig.1-2, be based on embodiment 1, the cooling body of the embodiment include the middle pipe 5 being connected to outside oxygen rifle inner tube 7,
And it is connected to the outer tube 3 outside middle pipe 5, cooling water intake chamber 4, shape between middle pipe 5 and outer tube 3 are formed between middle pipe 5 and inner tube 7
Effluent trough 2 is connected at intake chamber 4.
After oxygen in oxygen rifle is passed into the molten iron in converter, the temperature in converter is very high, if not to oxygen lance nozzle 8
Cooling treatment is carried out, the oxygen lance nozzle 8 being in converter will be damaged quickly, and the service life is very short, by 8 inner tube of oxygen lance nozzle
Pipe 5 and outer tube 3 in connecting outside 7, form cooling water intake chamber 4 between middle pipe 5 and inner tube 7, that is, the cooling water entered arrives first middle pipe 5
Between inner tube 7, intake chamber 4 and effluent trough 2 be it is interconnected, form the circuit of inflow and outflow, in use, into
Sink 4 connects cooling water supply unit, and effluent trough 2 connects drainage arrangement, can make have cooling water always in entire circuit in this way
It is passed through, cooling treatment protection is carried out to oxygen lance nozzle 8.
Embodiment 3
Referring to Fig.1-2, it is based on embodiment 1, the inclination venthole 9 of the embodiment is arranged in a ring around vertical venthole 1.
The venthole of one vertical direction is set in the application in the bottom of oxygen lance nozzle 8, multiple inclinations are set around
The venthole in direction, the venthole of inclined direction is arranged in a ring, make to enter the oxygen in converter and is sprayed from all directions,
The contact area of the molten steel from the oxygen and converter being discharged in oxygen lance nozzle 8 is further increased, is improved work efficiency, and
The oxygen for avoiding entrance can only handle local position, enhance the functionality of oxygen nozzle.
Embodiment 4
Referring to Fig.1-2, it is based on embodiment 1, the tilt angle of the inclination venthole 9 of the embodiment is 30-50 degree.
It is shown by test of many times, setting 30-50 degree for the inclination angle between 8 bottom of venthole and oxygen lance nozzle can make
For oxygen when entering in converter, the molten steel spraying state in converter is few, while the face being related to is very wide.
Embodiment 5
Referring to Fig.1-2, it is based on embodiment 4, the tilt angle of the inclination venthole of the embodiment is 45 degree.
Shown through overtesting, by the inclination angle between venthole and oxygen lance nozzle bottom be set as 45 degree can make oxygen into
When entering into converter, the molten steel spraying state in converter is minimum, while the area being related to is most wide.
Embodiment 6
Referring to Fig.1-2, it is based on embodiment 1, being brazed in the venthole of the embodiment with 8 bottom of oxygen lance nozzle has one layer of Huang
Copper.
Oxygen lance nozzle 8 in the application has one layer of brass, brass by soldering in venthole and on 8 bottom of oxygen lance nozzle
It will not influence heat-transfer effect, and the adhesive effect of the steel slag and brass in the molten steel to splash is bad, is easy cleaning, that is, can avoid work
It is highly difficult when processing is bonded in the steel slag on oxygen lance nozzle 8 to make personnel, needs to expend a large amount of strength, the application by using
Brass can greatly reduce the bonding of steel slag, and to the processing time of oxygen lance nozzle 8, reduce manual labor, mention simultaneously
High working efficiency.
Embodiment 7
Referring to Fig.1-2, it is based on embodiment 1, the oxygen rifle inner tube 7 of the embodiment, middle pipe 5, outer tube 3 are all made of heat-resisting material
Production.
In use, oxygen rifle inner tube 7, middle pipe 5, outer tube 3 and oxygen lance nozzle 8 require to enter inside converter,
After being passed through oxygen into converter and being reacted, the temperature in converter is just very high, if oxygen rifle inner tube 7, middle pipe 5, outer tube
3 and oxygen lance nozzle 8 oxygen rifle inner tube 7, middle pipe 5, outer tube 3 and oxygen lance nozzle 8 will be will cause using common material production
It is damaged soon, after especially damaging the pipe of cooling water flowing part, if the water appearance in pipe largely enters in converter
The case where, be just likely occurred explosion, cause casualties, production can not continue, the application by by 8 inner tube 7 of oxygen lance nozzle,
Middle pipe 5, outer tube 3 and escape pipe be all made of heat-resisting material production, it is daily carry out check can avoid the occurrence of such danger
Dangerous accident.Wherein heat-resisting material includes alumina-silicate ceramic fibre, and alumina-silicate ceramic fibre has very strong high temperature resistance, together
When have very strong anticorrosive property, to oxygen lance nozzle 8 have good protective effect.
Embodiment 8
Referring to Fig.1-2, it is based on embodiment 1, the oxygen rifle inner tube 7 of the embodiment, middle pipe 5, outer tube 3 are by using die casting
It is into a single integrated structure.
Due to needing cooling water to carry out cooling protection to oxygen lance nozzle 8 in oxygen lance nozzle 8, 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 8 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 8 inner tube 7 of oxygen lance nozzle, middle pipe 5, 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 8 in use.
Embodiment 9
Referring to Fig.1-2, it is based on embodiment 1, the venthole lower end of the embodiment is connected with tapered outlet head 10, passes through
In venthole lower end connect tapered outlet head 10, further expansion gas enter in converter with the contact of the molten steel in converter
Area, and the bottom of tapered outlet head 10 is also able to achieve and keeps out effect to splashings, prevents the steel slag of splash in converter from entering
Lead to the bad cleaning of staff to the inside of spray head, even if there are splashings, splashings are sticked to the end face of tapered spray head, and work people
Member also can enhanced convenience when cleaning.
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 (9)
1. a kind of coverter pig oxygen rifle including oxygen rifle ontology (6), the oxygen lance nozzle (8) connecting with oxygen rifle ontology (6), is connected to oxygen
The escape pipe of gun sprayer (8) bottom, the cooling body being arranged on oxygen rifle ontology (6), it is characterised in that: the oxygen lance nozzle
(8) bottom is provided with multiple ventholes, and the venthole includes the inclination of vertical venthole (1) and inclined direction of vertical direction
Venthole (9).
2. a kind of coverter pig oxygen rifle according to claim 1, it is characterised in that: the cooling body includes being connected to oxygen rifle
The outer middle pipe (5) of ontology (6) inner tube (7) and be connected to the outer tube (3) of middle pipe (5) outside, the middle pipe (5) and inner tube (7) it
Between form cooling water intake chamber (4), formation with intake chamber (4) is connected to effluent trough (2) between the middle pipe (5) and outer tube (3).
3. a kind of coverter pig oxygen rifle according to claim 1, it is characterised in that: the inclination venthole (9) is around described
Vertical venthole (1) is arranged in a ring.
4. a kind of coverter pig oxygen rifle according to claim 1, it is characterised in that: the inclination angle of inclination venthole (9)
Degree is 30-50 degree.
5. a kind of coverter pig oxygen rifle according to claim 4, it is characterised in that: the inclination angle of inclination venthole (9)
Degree is 45 degree.
6. a kind of coverter pig oxygen rifle according to claim 1, it is characterised in that: in the venthole and oxygen lance nozzle (8)
Bottom is coated with one layer of brass.
7. a kind of coverter pig oxygen rifle according to claim 2, it is characterised in that: the oxygen rifle inner tube (7), middle pipe (5), outer
Pipe (3) and oxygen lance nozzle (8) are all made of heat-resisting material production.
8. a kind of coverter pig oxygen rifle according to claim 2, it is characterised in that: the oxygen rifle inner tube (7), middle pipe (5), outer
It is into a single integrated structure by using die casting to manage (3).
9. a kind of coverter pig oxygen rifle according to claim 1, it is characterised in that: venthole (9) lower end is connected with cone
Type outlet head (10).
Priority Applications (1)
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CN201822213294.2U CN209260126U (en) | 2018-12-26 | 2018-12-26 | A kind of coverter pig oxygen rifle |
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Application Number | Priority Date | Filing Date | Title |
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CN201822213294.2U CN209260126U (en) | 2018-12-26 | 2018-12-26 | A kind of coverter pig oxygen rifle |
Publications (1)
Publication Number | Publication Date |
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CN209260126U true CN209260126U (en) | 2019-08-16 |
Family
ID=67565814
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2018
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