CN206706138U - A kind of blast furnace air inlet device of vanadium titanium smelting - Google Patents
A kind of blast furnace air inlet device of vanadium titanium smelting Download PDFInfo
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- CN206706138U CN206706138U CN201720510230.1U CN201720510230U CN206706138U CN 206706138 U CN206706138 U CN 206706138U CN 201720510230 U CN201720510230 U CN 201720510230U CN 206706138 U CN206706138 U CN 206706138U
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- blast furnace
- air inlet
- bend pipe
- inlet device
- vanadium titanium
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Abstract
The utility model discloses a kind of blast furnace air inlet device of vanadium titanium smelting, including gooseneck, bend pipe and belly pipe, it is characterized in that, described gooseneck, bend pipe and belly pipe docks connection successively, gooseneck is docked with bend pipe junction and bend pipe with belly pipe junction using mutually identical concave spherical surface and convex spherical structure, seal washer is provided between concave spherical surface and convex spherical, and connection is reinforced using flange in junction, the cement layer of sealing butt seam is filled up in the periphery of concave spherical surface and convex spherical.Blast furnace air inlet device high temperature resistant, the high pressure of vanadium titanium smelting described in the utility model, good sealing effect, effectively avoid the occurrence of leakage wind regime, avoid rubescent oxidation, reduce thermal losses, increase the service life, and reduce replacement frequency, avoid influenceing blast furnace staying.
Description
Technical field
It the utility model is related to air-intake device technical field, more particularly to a kind of blast furnace air inlet device of vanadium titanium smelting.
Background technology
In order to improve the rate of driving of large blast furnace, it is common to use high wind-warm syndrome, high top pressure, the blast furnace air inlet of vanadium titanium smelting
Device is provided in the connector between blast-furnace hot-air surrounding pipes and blast-furnace tuyere, and the blast furnace air inlet device of vanadium titanium smelting needs to hold
More than 1200 DEG C, 200~300Kpa of top pressure are can reach by highest wind-warm syndrome, at high temperature easily rubescent oxidation, thermal losses is high, even
The mechanical performance of the steel construction at the place of connecing drastically declines with the rise of temperature, and junction easily misplaces, and displacement greatly reduces close
Feng Xing, easily leaked out in junction, the service life of air-intake device is short, changes frequently, influences the slow wind rate of stopping of blast furnace, also
Blast furnace to oxygen-enriched coal spray causes difficulty.
Utility model content
Technical problem to be solved in the utility model and the technical assignment proposed are that prior art is improved, there is provided
A kind of blast furnace air inlet device of vanadium titanium smelting, solves the blast furnace air inlet device sealing of vanadium titanium smelting traditional in current technology
Property it is poor, easily leak out at high temperature, thermal losses is high, the short problem of service life.
To solve above technical problem, the technical solution of the utility model is：
A kind of blast furnace air inlet device of vanadium titanium smelting, including gooseneck, bend pipe and belly pipe, it is characterised in that described
Gooseneck, bend pipe and belly pipe dock connection successively, gooseneck is adopted with bend pipe junction and bend pipe with belly pipe junction
Docked with mutually identical concave spherical surface and convex spherical structure, seal washer is provided between concave spherical surface and convex spherical, and
And connection is reinforced using flange in junction, the cement layer of sealing butt seam is filled up in the periphery of concave spherical surface and convex spherical.
The blast furnace air inlet device of vanadium titanium smelting described in the utility model will be arranged to concave spherical surface and convex ball at the interconnection of pipe fitting
The structure in face, enlarged contact areas, and seal washer is set in joint, the gap of joint is preferably eliminated, is reached most
Good sealing effectiveness, while duplicate protection is reached further to carry out sealing using cement layer in the periphery of joint, effectively keep away
Exempt from leakage wind regime occur, avoid rubescent oxidation, reduce thermal losses, increase the service life, reduce replacement frequency, avoid influence high
Stove damping down.
Further, described cement layer is high-temperature flame-proof cement layer, and resistance to elevated temperatures is good, ensures sealing, uses the longevity
Life length.
Further, described seal washer is metal washer, and resistance to elevated temperatures is good, ensures sealing effectiveness, service life
It is long.
Further, refractory lining layer is provided with the inside of the tube wall of described bend pipe prevents heat energy from, to external diffusion, reducing heat
Loss, ensure blast furnace air feed quality.
Further, the tube wall of described bend pipe is made up of inside and outside two layers of box hat, filled with heat-insulated between two layers of box hat
Layer, bilayer is cooperatively formed with refractory lining layer.
Further, described thermal insulation layer is ceramic fiber cotton layer, in light weight, intensity is high, anti-oxidant, low thermal conductivity, soft
Soft good, corrosion-resistant, thermal capacitance is small and sound insulation.
Compared with prior art, the utility model advantage is：
Blast furnace air inlet device high temperature resistant, the high pressure of vanadium titanium smelting described in the utility model, good sealing effect, effectively keep away
Exempt from leakage wind regime occur, avoid rubescent oxidation, reduce thermal losses, increase the service life, reduce replacement frequency, avoid influence high
Stove damping down.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural pipe wall schematic diagram of bend pipe.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
A kind of blast furnace air inlet device of vanadium titanium smelting, effectively improves sealing disclosed in the utility model embodiment, prevents
Leak-stopping wind is rubescent, ensures the mechanical performance of steel construction, it is ensured that the air feed performance of long-acting stabilization, reduces heat loss, extension uses the longevity
Life.
As depicted in figs. 1 and 2, a kind of blast furnace air inlet device of vanadium titanium smelting, including gooseneck 1, bend pipe 2 and belly pipe
3, gooseneck 1, bend pipe 2 and belly pipe 3 dock connection successively, and gooseneck 1 connects with the junction of bend pipe 2 and bend pipe 2 with belly pipe 3
The place of connecing is docked using mutually identical concave spherical surface and convex spherical structure, enlarged contact areas, ensures Butt sealing, and
There is provided seal washer 4 between concave spherical surface and convex spherical further to eliminate butt seam, in gooseneck 1, bend pipe 2 and belly pipe
Flange 9 is provided with 3 outer wall, junction is reinforced using flange 9 and connected, while is filled up in the periphery of concave spherical surface and convex spherical
There is cement layer 5, butt seam between concave spherical surface and convex spherical further sealed using cement layer 5, effectively improves sealing,
Avoid junction from leaking out, reduce heat loss, to realize that it is good that the techniques such as the high wind-warm syndrome of blast furnace, high blast, oxygen-enriched big injection are created
Good air-inlet condition.
In the present embodiment, cement layer 5 is high-temperature flame-proof cement layer, service life length, avoids splitting due to high temperature
Line, sealing is ensured, seal washer 4 be metal washer, high temperature resistant, and service life is grown.
Bend pipe 2 is made up of tube wall and refractory lining layer 6, is provided with refractory lining layer 6 on the inside of tube wall, and bend pipe 2
Tube wall is made up of inside and outside two layers of box hat 7, thermal insulation layer 8 is filled between two layers of box hat 7, thermal insulation layer 8 is ceramic fiber cotton layer, resistance to
Fiery inner liner 6 and thermal insulation layer 8 form double thermal insulation, effectively reduce heat loss, it is ensured that realize high wind-warm syndrome, high blast air feed.
It the above is only preferred embodiment of the present utility model, it is noted that above-mentioned preferred embodiment should not regard
For that should be defined to limitation of the present utility model, the scope of protection of the utility model by claim limited range.For
For those skilled in the art, do not departing from spirit and scope of the present utility model, can also make some
Improvements and modifications, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (6)
1. a kind of blast furnace air inlet device of vanadium titanium smelting, including gooseneck (1), bend pipe (2) and belly pipe (3), its feature exist
In, described gooseneck (1), bend pipe (2) and belly pipe (3) dock connection successively, gooseneck (1) and bend pipe (2) junction with
And bend pipe (2) and belly pipe (3) junction are docked using mutually identical concave spherical surface and convex spherical structure, in concave spherical surface and
Seal washer (4) is provided between convex spherical, and connection is reinforced using flange (9) in junction, in concave spherical surface and convex spherical
Periphery fill up sealing butt seam cement layer (5).
2. the blast furnace air inlet device of vanadium titanium smelting according to claim 1, it is characterised in that described cement layer (5)
For high-temperature flame-proof cement layer.
3. the blast furnace air inlet device of vanadium titanium smelting according to claim 1, it is characterised in that described seal washer
(4) it is metal washer.
4. the blast furnace air inlet device of vanadium titanium smelting according to claim 1, it is characterised in that described bend pipe (2)
Refractory lining layer (6) is provided with the inside of tube wall.
5. the blast furnace air inlet device of vanadium titanium smelting according to claim 4, it is characterised in that described bend pipe (2)
Tube wall is made up of inside and outside two layers of box hat (7), and thermal insulation layer (8) is filled between two layers of box hat (7).
6. the blast furnace air inlet device of vanadium titanium smelting according to claim 5, it is characterised in that described thermal insulation layer (8)
For ceramic fiber cotton layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720510230.1U CN206706138U (en) | 2017-05-09 | 2017-05-09 | A kind of blast furnace air inlet device of vanadium titanium smelting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720510230.1U CN206706138U (en) | 2017-05-09 | 2017-05-09 | A kind of blast furnace air inlet device of vanadium titanium smelting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206706138U true CN206706138U (en) | 2017-12-05 |
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ID=60466686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720510230.1U Active CN206706138U (en) | 2017-05-09 | 2017-05-09 | A kind of blast furnace air inlet device of vanadium titanium smelting |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107893136A (en) * | 2017-12-06 | 2018-04-10 | 中冶武汉冶金建筑研究院有限公司 | A kind of air-supply apparatus of blast furnace expansion joint castable expanded joint structure |
| US11085568B2 (en) * | 2016-07-07 | 2021-08-10 | Nelson Irrigation Corporation | Center pivot irrigation gooseneck with varying cross-sectional diameters |
-
2017
- 2017-05-09 CN CN201720510230.1U patent/CN206706138U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11085568B2 (en) * | 2016-07-07 | 2021-08-10 | Nelson Irrigation Corporation | Center pivot irrigation gooseneck with varying cross-sectional diameters |
| CN107893136A (en) * | 2017-12-06 | 2018-04-10 | 中冶武汉冶金建筑研究院有限公司 | A kind of air-supply apparatus of blast furnace expansion joint castable expanded joint structure |
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