CN209706577U - A kind of oxygen lance nozzle of adjustable the amount of injection - Google Patents
A kind of oxygen lance nozzle of adjustable the amount of injection Download PDFInfo
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- CN209706577U CN209706577U CN201822105821.8U CN201822105821U CN209706577U CN 209706577 U CN209706577 U CN 209706577U CN 201822105821 U CN201822105821 U CN 201822105821U CN 209706577 U CN209706577 U CN 209706577U
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- oxygen
- pipe
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- spray orifice
- adjustable
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Abstract
The utility model discloses a kind of oxygen lance nozzles of adjustable the amount of injection, in order to solve the problems, such as that the amount of injection can not be adjusted in existing equipment, belong to converter steeling technology field, including oxygen pipe, middle pipe and outer tube are successively arranged on the outside of oxygen pipe, the top of the oxygen pipe is provided with spray head, it is characterized in that, the spray head includes the first spray orifice and the second spray orifice, mounting portion is provided between first spray orifice and the second spray orifice, thread groove is provided in mounting portion, thread groove internal screw thread is connected with screw rod, screw rod inner end is provided with taper plug, screw is provided on the outside of screw rod, interconnecting piece is provided in oxygen pipe, tighten portion and work department, the portion of tightening is provided between interconnecting piece and work department, it tightens portion and work department and is provided with working chamber compatible with taper plug between oxygen pipe.The utility model structure is simple, and rationally, control can be adjusted to the amount of injection of oxygen lance nozzle according to demand in design.
Description
Technical field
The utility model belongs to converter steeling technology field, more particularly to a kind of oxygen lance nozzle of adjustable the amount of injection.
Background technique
Oxygen rifle is to be blown into high pressure, high purity degree oxygen in converter above metal bath with hypersonic velocity, and have high pressure water
The tubular equipment of cooling protection system.It is called spray gun.It is the important equipment of top-blown oxygen steelmaking, and influence of the oxygen rifle to blowing is made
With being to be realized by the interaction in oxygen jet stream stock and molten bath, and this effect depends primarily on jet stream and reaches molten bath
Velocity magnitude and its distribution when surface, thus the various process parameters of oxygen lance nozzle optimizing and structure optimization design very
It is important.
In converting process, oxygen rifle will not only bear the heat radiation that fire puts 2500 DEG C or so of high-temperature region, still suffer from steel
With washing away for slag fierceness, operating condition is very severe.Therefore oxygen rifle will have firm metal structure and strong water-cooling system, to guarantee
Its resistant against high temperatures, antiscour corrode and resist vibration.
Oxygen rifle is an energy converter, and the pressure energy of oxygen is converted into kinetic energy to the maximum extent by spray head, is obtained
Supersonic flow stock impacts agitation molten pool.Existing oxygen lance nozzle generally contains only a kind of spray orifice of size, cannot be to the amount of injection
Regulated and controled, can not effectively adjust the size of injection pressure, function and effect are relatively simple.
Summary of the invention
The purpose of this utility model is that: in order to solve the problems, such as that the amount of injection can not be adjusted in existing equipment, provide one kind
The oxygen lance nozzle of adjustable the amount of injection.
The technical solution adopted in the utility model is as follows:
A kind of oxygen lance nozzle of adjustable the amount of injection, including oxygen pipe, oxygen pipe outside are successively arranged with middle pipe and outer tube, the oxygen
The top of pipe is provided with spray head, which is characterized in that the spray head includes the first spray orifice and the second spray orifice, and the first spray orifice and second are sprayed
It is provided with mounting portion between hole, thread groove is provided in mounting portion, thread groove internal screw thread is connected with screw rod, and screw rod inner end is provided with
Taper plug, screw rod outside are provided with screw, interconnecting piece are provided in oxygen pipe, tightens portion and work department, interconnecting piece and work department
Between be provided with the portion of tightening, tighten portion and work department and be provided with working chamber compatible with taper plug between oxygen pipe.
The utility model it is further preferred, circumferentially shape is evenly distributed for first spray orifice and the second spray orifice.
The utility model it is further preferred, the portion of tightening be arc convex.
The utility model it is further preferred, be formed with intake tunnel between the middle pipe and oxygen pipe, intake tunnel connection
There is water inlet pipe.
The utility model it is further preferred, be formed with exhalant canal between the outer tube and inner tube, exhalant canal connection
There is outlet pipe.
The utility model it is further preferred, the spray head outer surface is provided with flame retardant coating.
Working principle: the utility model adjusts the inside and outside movement on working chamber of taper plug by screw rod, so that taper is stifled
Head rest is close or remote from arc convex, so that the air inflow of spray head is effectively controlled, so that the spray of the first spray orifice and the second spray orifice
Firing rate degree is different, meets the needs of oxygen lance nozzle difference the amount of injection；
Wherein, screw rod is fixed in setting screw, and flame retardant coating is arranged, and improves the fire resistance of spray head, and intake tunnel is arranged
And exhalant canal improves the service life of spray head by water-cooled cooling.
In conclusion by adopting the above-described technical solution, the beneficial effects of the utility model are:
1. the utility model by screw rod adjust the inside and outside movement on working chamber of taper plug so that taper plug it is close or
Far from arc convex, so that the air inflow of spray head is effectively controlled, cleverly arc convex and screw rod and plug are matched for setting
It closes, can satisfy different functional requirements, compared with prior art, structure is simple, and design rationally, can according to demand, to oxygen
Control is adjusted in the amount of injection of gun sprayer, is fixed by setting setting screw to screw rod, improves structural stability.
2. the utility model improves the service life of spray head by water-cooled cooling by setting intake tunnel and exhalant canal.
3. the utility model improves the fire resistance of spray head by setting flame retardant coating.
Detailed description of the invention
The utility model will illustrate by example and with reference to the appended drawing, in which:
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the spray head top view of the utility model.
Appended drawing reference: 1- outer tube, 2- exhalant canal are managed in 3-, 4- intake tunnel, 5- oxygen pipe, 6- interconnecting piece, 7- locking
Portion, 8- working chamber, 9- taper plug, 10- work department, 11- screw rod, the second spray orifice of 12-, 13- screw, 14- flame retardant coating, 15-
One spray orifice.
Specific embodiment
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.
It elaborates below with reference to Fig. 1, Fig. 2 to the utility model.
Case study on implementation one: a kind of oxygen lance nozzle of adjustable the amount of injection, including oxygen pipe 5,5 outside of oxygen pipe are successively arranged with middle pipe
3 and outer tube 1, the top of oxygen pipe 5 be provided with spray head, which is characterized in that spray head includes the first spray orifice 15 and the second spray orifice 12, the
Circumferentially shape is evenly distributed for one spray orifice 15 and the second spray orifice 12, is provided with installation between the first spray orifice 15 and the second spray orifice 12
Portion is provided with thread groove in mounting portion, and thread groove internal screw thread is connected with screw rod 11, and 11 inner end of screw rod is provided with taper plug 9, spiral shell
It is provided with screw 13 on the outside of bar 11, interconnecting piece 6 is provided in oxygen pipe 5, tightens portion and work department 10, interconnecting piece 6 and work department 10
Between be provided with the portion of tightening, the portion of tightening is arc convex, tighten portion and work department 10 be provided between oxygen pipe 5 it is stifled with taper
First 9 compatible working chamber 8.
Working principle: the utility model adjusts the inside and outside movement on working chamber 8 of taper plug 9 by screw rod 11, so that cone
Shape plug 9 is close to or far from arc convex, so that the air inflow of spray head is effectively controlled, so that the first spray orifice 15 and the second spray
The jet velocity in hole 12 is different, meets the needs of oxygen lance nozzle difference the amount of injection, and screw rod 11 is fixed in setting screw 13.
Case study on implementation two: this implementation is to advanced optimize on the basis of embodiment 1, and the present embodiment emphasis illustrates and implements
The improvements that example 1 is compared, something in common repeat no more, and intake tunnel 4, intake tunnel 4 are formed between middle pipe 3 and oxygen pipe 5
It is communicated with water inlet pipe, exhalant canal 2 is formed between outer tube 1 and middle pipe 3, exhalant canal 2 is communicated with outlet pipe, spray head outer surface
It is provided with flame retardant coating 14, flame retardant coating 14 is set, improves the fire resistance of spray head, intake tunnel 4 and exhalant canal 2 are set, water is passed through
Cold cooling improves the service life of spray head.
Although reference be made herein to the utility model is described in multiple explanatory embodiments of the utility model, still,
It should be understood that those skilled in the art can be designed that a lot of other modification and implementations, these modifications and implementations
It will fall within scope and spirit disclosed in the present application.More specifically, it is disclosed and the scope of the claims in the application
It is interior, can building block to theme combination layout and/or layout carry out a variety of variations and modifications.In addition to building block and/
Or outside the variations and modifications of layout progress, to those skilled in the art, other purposes also be will be apparent.
Claims (6)
1. a kind of oxygen lance nozzle of adjustable the amount of injection, including oxygen pipe (5), oxygen pipe (5) outside is successively arranged with middle pipe (3) and outer tube
(1), the top of the oxygen pipe (5) is provided with spray head, which is characterized in that the spray head includes the first spray orifice (15) and the second spray orifice
(12), it is provided with mounting portion between the first spray orifice (15) and the second spray orifice (12), is provided with thread groove in mounting portion, in thread groove
It being threaded with screw rod (11), screw rod (11) inner end is provided with taper plug (9), screw (13) are provided on the outside of screw rod (11),
It is provided with interconnecting piece (6) in oxygen pipe (5), tightens portion and work department (10), being provided with contracting between interconnecting piece (6) and work department (10)
Tight portion tightens portion and work department (10) and is provided with the compatible working chamber (8) with taper plug (9) between oxygen pipe (5).
2. the oxygen lance nozzle of adjustable the amount of injection according to claim 1, which is characterized in that first spray orifice (15) and
Circumferentially shape is evenly distributed for two spray orifices (12).
3. the oxygen lance nozzle of adjustable the amount of injection according to claim 1, which is characterized in that the portion of tightening is that arc is convex
It rises.
4. the oxygen lance nozzle of adjustable the amount of injection according to claim 1, which is characterized in that the middle pipe (3) and oxygen pipe (5)
Between be formed with intake tunnel (4), intake tunnel (4) is communicated with water inlet pipe.
5. the oxygen lance nozzle of adjustable the amount of injection according to claim 1, which is characterized in that the outer tube (1) and middle pipe (3)
Between be formed with exhalant canal (2), exhalant canal (2) is communicated with outlet pipe.
6. the oxygen lance nozzle of adjustable the amount of injection according to claim 1, which is characterized in that the spray head outer surface is provided with
Flame retardant coating (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822105821.8U CN209706577U (en) | 2018-12-14 | 2018-12-14 | A kind of oxygen lance nozzle of adjustable the amount of injection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822105821.8U CN209706577U (en) | 2018-12-14 | 2018-12-14 | A kind of oxygen lance nozzle of adjustable the amount of injection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209706577U true CN209706577U (en) | 2019-11-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822105821.8U Active CN209706577U (en) | 2018-12-14 | 2018-12-14 | A kind of oxygen lance nozzle of adjustable the amount of injection |
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| Country | Link |
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| CN (1) | CN209706577U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116159402A (en) * | 2023-02-10 | 2023-05-26 | 国能长源荆门发电有限公司 | Flue gas treatment device of thermal power factory |
-
2018
- 2018-12-14 CN CN201822105821.8U patent/CN209706577U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116159402A (en) * | 2023-02-10 | 2023-05-26 | 国能长源荆门发电有限公司 | Flue gas treatment device of thermal power factory |
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