CN208562446U - A kind of efficient line feeding rifle of steel-making with deslagging function - Google Patents
A kind of efficient line feeding rifle of steel-making with deslagging function Download PDFInfo
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- CN208562446U CN208562446U CN201821177744.0U CN201821177744U CN208562446U CN 208562446 U CN208562446 U CN 208562446U CN 201821177744 U CN201821177744 U CN 201821177744U CN 208562446 U CN208562446 U CN 208562446U
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- China
- Prior art keywords
- deslagging
- core
- spun yarn
- gas access
- gun body
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- Treatment Of Steel In Its Molten State (AREA)
Abstract
A kind of efficient line feeding rifle of steel-making with deslagging function; including gun body and deslagging protective cover, gun body is using column structure and is vertically arranged, and deslagging protective cover is packed in gun body bottom; its underpart cover is part pyramid like configuration, offers core-spun yarn punched out on the cover of lower part；Core-spun yarn threading hole is offered in gun body vertically, top aperture is equipped with adapter, and adapter is connected with cored wire injecting machine, communicates inside core-spun yarn threading hole bottom port and deslagging protective cover, and core-spun yarn punched out is located at immediately below core-spun yarn threading hole bottom port；Adapter is equipped with protection gas access port, and protection gas access port is connected with protection gas gas source, and protection gas is by protecting gas access port to enter in core-spun yarn threading hole；Several protection gas access apertures are equipped in core-spun yarn threading hole circumferential direction gun body vertically; aperture is connected with protection gas gas source at the top of protection gas access apertures; protection gas is entered in protection gas access apertures by top aperture, is protected and is communicated inside gas access apertures bottom port and deslagging protective cover.
Description
Technical field
The utility model belongs to iron and steel smelting technology field, more particularly to a kind of steel-making with deslagging function with efficiently
Line feeding rifle.
Background technique
Currently, in steelmaking process, deoxidation of molten steel and alloying process there are the rate of recovery of alloy low, adjustment alloy at
Divide the problems such as inaccurate, steel quality is low.And to solve the above-mentioned problems, it will usually use wire-feeding technique, i.e. a constant speed
Rate feeds core-spun yarn into molten steel, during the feeding process, protective gas can be blown into ladle feeding line machine conduit, so that core-spun yarn
And specific gas shield region is formed around liquid steel level, for preventing core-spun yarn from aoxidizing during the feeding process.
But ladle feeding line machine conduit generally lies in about 500mm height above liquid steel level, core-spun yarn at this time can be with
In certain rate feeding molten steel, core-spun yarn, which needs to pass through slag blanket in advance, just be can enter in molten steel, this process can be in slag blanket and furnace
Strong gasification reaction occurs for slag Air Interface, and will lead to core-spun yarn part scaling loss, not only causes the waste of core-spun yarn, also can
It generates burning dust and pollutes air.
Further more, portion of air can be also brought into during protective gas is blown into, thus protection core-spun yarn that can not be stable
It is not aoxidized with molten steel, and protective gas is directly to blow and spray on liquid steel level, molten steel can also be made to generate biggish spray
It splashes, if ladle surrounding is not protected sufficiently, is easy to cause the generation of security risk.
Utility model content
In view of the problems of the existing technology, the utility model provides a kind of steel-making with deslagging function efficient line feeding
Rifle, core-spun yarn can be directly entered in molten steel after deslagging, and core-spun yarn is avoided directly to contact with slag blanket, eliminate core-spun yarn across slag
The scaling loss generated when layer, improves the practical efficiency of core-spun yarn；The protective gas being blown into will not directly blow and spray liquid steel level
On, but in the space of relative closure formed gas shield region, can bringing into avoid air, effectively core-spun yarn is avoided to send out
Raw oxidation, can also weaken the splash of molten steel, improve the safety of smelting process；Line feeding rifle can once by more core-spun yarns simultaneously
Molten steel is fed, line feeding efficiency is effectively increased.
To achieve the goals above, the utility model adopts the following technical solution: a kind of steel-making use with deslagging function
Efficient line feeding rifle, including gun body and deslagging protective cover, gun body use column structure, and gun body is vertically arranged, the deslagging protection
Cover is packed in gun body bottom；Offer core-spun yarn threading hole vertically in the gun body, aperture installation at the top of core-spun yarn threading hole
There is adapter, adapter is connected with cored wire injecting machine, communicates inside core-spun yarn threading hole bottom port and deslagging protective cover；?
Protection gas access port is additionally provided on the adapter, protection gas access port is connected with protection gas gas source, and protection gas passes through protection
Gas access port enters in core-spun yarn threading hole；Several protection gas are provided in the gun body of the core-spun yarn threading hole circumferential direction to be passed through
Hole, protection gas access apertures are vertically arranged in gun body, and aperture is connected with protection gas gas source at the top of protection gas access apertures, protect gas
Entered in protection gas access apertures by top aperture, protects and communicated inside gas access apertures bottom port and deslagging protective cover.
Deslagging protective cover top cover is hemisphere face structure, and deslagging protective cover lower part cover is part pyramid like configuration,
Core-spun yarn punched out is offered on the cover of deslagging protective cover lower part, core-spun yarn punched out is being located at core-spun yarn threading hole bottom port just
Lower section.
The circular conical surface cone angle range of deslagging protective cover lower part cover is 0~180 °.
The quantity at least two of the core-spun yarn threading hole.
Several protection gas access apertures are circumferentially uniformly arranged along core-spun yarn threading hole, protect the quantity of gas access apertures at least
It is two.
Blowout prevention splashing protection baffle is installed in the gun body above the deslagging protective cover, blowout prevention splashing protection baffle is disk
Shape structure.
The gun body, deslagging protective cover and blowout prevention splashing protection baffle are made of refractory material, and refractory material is that aluminum is resistance to
Fiery material or silica refractory.
The utility model has the beneficial effects that
The steel-making with deslagging function of the utility model can be directly entered steel with efficient line feeding rifle, core-spun yarn after deslagging
In liquid, core-spun yarn is avoided directly to contact with slag blanket, the scaling loss generated when eliminating core-spun yarn across slag blanket improves core-spun yarn
Practical efficiency；The protective gas being blown into will not be blowed and sprayed directly on liquid steel level, but be formed in the space of relative closure
Gas shield region, can bringing into avoid air, effectively core-spun yarn is avoided to aoxidize, the splash of molten steel can also be weakened,
Improve the safety of smelting process；More core-spun yarns once can be fed molten steel simultaneously by line feeding rifle, effectively increase line feeding efficiency.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of efficient line feeding rifle of steel-making with deslagging function of the utility model；
Fig. 2 is A-A cross-sectional view in Fig. 1；
In figure, 1-gun body, 2-deslagging protective covers, 3-core-spun yarn threading holes, 4-adapters, 5-protection gas access ports,
6-protection gas access apertures, 7-core-spun yarn punched out, 8-blowout prevention splashing protection baffles, 9-core-spun yarns, 10-liquid steel levels.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments.
As shown in Figure 1, 2, the efficient line feeding rifle of a kind of steel-making with deslagging function, including gun body 1 and deslagging protective cover
2, gun body 1 uses column structure, and gun body 1 is vertically arranged, and the deslagging protective cover 2 is packed in 1 bottom of gun body；In the gun body
Core-spun yarn threading hole 3 is offered in 1 vertically, 3 top aperture of core-spun yarn threading hole is equipped with adapter 4, adapter 4 and core-spun yarn
Feeding wire machine is connected, and communicates inside 3 bottom port of core-spun yarn threading hole and deslagging protective cover 2；Guarantor is additionally provided on the adapter 4
Gas access port 5 is protected, protection gas access port 5 is connected with protection gas gas source, and protection gas enters core-spun yarn by protection gas access port 5
In threading hole 3；Several protection gas access apertures 6 are provided in the circumferential gun body 1 of the core-spun yarn threading hole 3, protection gas is passed through
Hole 6 is vertically arranged in gun body 1, and protection 6 top aperture of gas access apertures is connected with protection gas gas source, and protection gas passes through top-portion apertures
Mouth enters in protection gas access apertures 6, protects and communicates inside 6 bottom port of gas access apertures and deslagging protective cover 2.
The 2 top cover of deslagging protective cover is hemisphere face structure, and 2 lower part cover of deslagging protective cover is part pyramid like configuration,
Core-spun yarn punched out 7 is offered on 2 lower part cover of deslagging protective cover, core-spun yarn punched out 7 is located at 3 bottom of core-spun yarn threading hole
Immediately below aperture.
The circular conical surface cone angle range of the 2 lower part cover of deslagging protective cover is 0~180 °.
The quantity at least two of the core-spun yarn threading hole 3, during the feeding process, more core-spun yarns 9 are from respective packet
Core wire threading hole 3 passes through, and feeds while realizing more core-spun yarn 9, line feeding efficiency can be improved, and shorten the heat.
Several protection gas access apertures 6 are circumferentially uniformly arranged along core-spun yarn threading hole 3, protect the quantity of gas access apertures 6
At least two.
Blowout prevention splashing protection baffle 8 is installed in the gun body 1 above the deslagging protective cover 2, blowout prevention splashing protection baffle 8 is
Disc-shaped structure also can be by blowout prevention splashing protection baffle 8 to the molten steel of splash even if molten steel splash occurs during the feeding process
Stopped, to protect the safety of surrounding staff.
The gun body 1, deslagging protective cover 2 and blowout prevention splashing protection baffle 8 are made of refractory material, and refractory material is aluminum
Refractory material or silica refractory.
Illustrate the first use process of the utility model with reference to the accompanying drawing:
By protection gas gas source access protection gas access port 5 and protection gas access apertures 6, protection gas will flow separately through core-spun yarn and wear
String holes 3 and protection gas access apertures 6, eventually enter into inside deslagging protective cover 2, make the sky of the relative closure inside deslagging protective cover 2
Between formed gas shield region.
Adapter 4 is connected with cored wire injecting machine, core-spun yarn 9 will pass sequentially through adapter 4 and core-spun yarn threading hole 3 into
Enter inside deslagging protective cover 2, and rest on the end of core-spun yarn 9 in the gas shield atmosphere inside deslagging protective cover 2, in gas
It effectively prevent core-spun yarn 9 to aoxidize under body protection atmosphere.
The gun body 1 of control line feeding rifle moves down, and so that 2 lower part cover of deslagging protective cover is passed through slag blanket, until under deslagging protective cover 2
Core-spun yarn punched out 7 on portion's cover enters 10cm or so in liquid steel level 10, then restarts cored wire injecting machine and carries out
Line feeding, core-spun yarn 9 will be directly entered in molten steel by core-spun yarn punched out 7.
Scheme in embodiment is not the scope of patent protection to limit the utility model, all without departing from the utility model
Carried out by equivalence enforcement or change, be both contained in the scope of the patents of this case.
Claims (7)
1. a kind of efficient line feeding rifle of steel-making with deslagging function, it is characterised in that: including gun body and deslagging protective cover, gun body
Using column structure, gun body is vertically arranged, and the deslagging protective cover is packed in gun body bottom；It is opened up vertically in the gun body
There is core-spun yarn threading hole, aperture is equipped with adapter at the top of core-spun yarn threading hole, and adapter is connected with cored wire injecting machine, cored
It is communicated inside line threading hole bottom port and deslagging protective cover；It is additionally provided with protection gas access port on the adapter, protects gas
Access port is connected with protection gas gas source, and protection gas is by protecting gas access port to enter in core-spun yarn threading hole；In the cored
Several protection gas access apertures are provided in the gun body of line threading hole circumferential direction, protection gas access apertures is vertically arranged in gun body, protects
Aperture is connected with protection gas gas source at the top of gas access apertures, and protection gas is entered in protection gas access apertures by top aperture, protection
It is communicated inside gas access apertures bottom port and deslagging protective cover.
2. a kind of efficient line feeding rifle of steel-making with deslagging function according to claim 1, it is characterised in that: the row
Flux shielding cover top cover is hemisphere face structure, and deslagging protective cover lower part cover is part pyramid like configuration, in deslagging protective cover lower part
Core-spun yarn punched out is offered on cover, core-spun yarn punched out is located at immediately below core-spun yarn threading hole bottom port.
3. a kind of efficient line feeding rifle of steel-making with deslagging function according to claim 2, it is characterised in that: the row
The circular conical surface cone angle range of flux shielding cover lower part cover is 0~180 °.
4. a kind of efficient line feeding rifle of steel-making with deslagging function according to claim 1, it is characterised in that: the packet
The quantity at least two of core wire threading hole.
5. a kind of efficient line feeding rifle of steel-making with deslagging function according to claim 4, it is characterised in that: Ruo Gansuo
It states protection gas access apertures to be circumferentially uniformly arranged along core-spun yarn threading hole, protects the quantity at least two of gas access apertures.
6. a kind of efficient line feeding rifle of steel-making with deslagging function according to claim 1, it is characterised in that: described
Blowout prevention splashing protection baffle is installed, blowout prevention splashing protection baffle is disc-shaped structure in the gun body above deslagging protective cover.
7. a kind of efficient line feeding rifle of steel-making with deslagging function according to claim 6, it is characterised in that: the rifle
Body, deslagging protective cover and blowout prevention splashing protection baffle are made of refractory material, and refractory material is aluminum fire resistant materials or siliceous resistance to
Fiery material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821177744.0U CN208562446U (en) | 2018-07-24 | 2018-07-24 | A kind of efficient line feeding rifle of steel-making with deslagging function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821177744.0U CN208562446U (en) | 2018-07-24 | 2018-07-24 | A kind of efficient line feeding rifle of steel-making with deslagging function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208562446U true CN208562446U (en) | 2019-03-01 |
Family
ID=65447593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821177744.0U Expired - Fee Related CN208562446U (en) | 2018-07-24 | 2018-07-24 | A kind of efficient line feeding rifle of steel-making with deslagging function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208562446U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115161433A (en) * | 2022-07-22 | 2022-10-11 | 北京科技大学 | Steel ladle wire feeding device protected by double-layer air curtain |
-
2018
- 2018-07-24 CN CN201821177744.0U patent/CN208562446U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115161433A (en) * | 2022-07-22 | 2022-10-11 | 北京科技大学 | Steel ladle wire feeding device protected by double-layer air curtain |
| CN115161433B (en) * | 2022-07-22 | 2023-12-15 | 北京科技大学 | Ladle wire feeding device with double-layer air curtain protection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190301 Termination date: 20210724 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |