CN205999407U - A kind of blast-furnace tuyere equipment with hold down gag - Google Patents
A kind of blast-furnace tuyere equipment with hold down gag Download PDFInfo
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- CN205999407U CN205999407U CN201621057454.3U CN201621057454U CN205999407U CN 205999407 U CN205999407 U CN 205999407U CN 201621057454 U CN201621057454 U CN 201621057454U CN 205999407 U CN205999407 U CN 205999407U
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- hold down
- down gag
- blast
- furnace
- pressing plate
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Abstract
The utility model discloses a kind of blast-furnace tuyere equipment with hold down gag, it includes being fixed by socket the cone structure being formed, hold down gag by big set, middle set and little set three；Wherein, middle set is in furnace shell, big set is in the outside of furnace shell, little set is in the inner side of furnace shell, and hold down gag is arranged in cone structure.The blast-furnace tuyere equipment with hold down gag for this utility model can prevent well, due to stove inner high voltage, little set and middle set ejection cause the problem of the breakage in air port, both ensure that the normal production of blast furnace, and also ensured the life security of operator.
Description
Technical field
This utility model belongs to field of blast-furnace equipment, more particularly, to a kind of blast-furnace tuyere equipment with hold down gag.
Background technology
Blast-furnace tuyere is to ensure that the normal critical component producing of blast furnace.Blast-furnace tuyere need to possess that conductivity is good, cooling uniformly,
Cooling effectiveness height, tissue tight, the good feature of wearability, are typically circumferentially uniformly installed in the furnace wall between bosh and furnace bottom.High
In stove production process, keep high pressure conditions in stove, blast hot blast, tuyere equipment into stove by being arranged on the equipment of blast-furnace tuyere
Including big set, middle set and little set, conical structure is socketed into by big set, middle set and little set.In process of production, will by air pressure gun
Hot blast passes through little set endoporus and is sent in blast furnace, and air pressure gun passes through its front end sphere and contacts fixation with little set spheric seating, before little set
End is nearly 2000 DEG C of hot environment, and more than 1400 DEG C, the hot blast temperature passing through from tuyere small sleeve also exists slag iron melt temperature
More than 1000 DEG C, the working environment of therefore tuyere small sleeve is extremely severe, typically adopts fine copper, and the inside leads to cooling water circulation cooling,
It is to prevent hot blast and coal dust from directly washing away furnace wall that little set protrudes in stove.Due to keeping high pressure conditions, existing blast furnace in stove
Often there is the risk that tuyere small sleeve and middle set are ejected in tuyere equipment, not only have impact on the normal production of blast furnace, and easily make
Become personnel casualty accidentses.
Utility model content
Problem to be solved in the utility model is to provide a kind of blast-furnace tuyere equipment with hold down gag, and it can be fine
Prevent due to stove inner high voltage by little set and middle set ejection cause air port breakage problem, both ensure that the normal of blast furnace
Produce, also ensure the life security of operator.
A kind of blast-furnace tuyere equipment with hold down gag of this utility model, it is included by big set, middle set and little set three's set
Connect cone structure, the hold down gag of fixing formation；Wherein, middle set is in furnace shell, big set is in the outside of furnace shell, little set is in
The inner side of furnace shell, hold down gag is arranged in cone structure.
Further, described cone structure is：The outer conical surface of middle set stub end and the big inner circle taper hole covering little head end
Cooperation, the inner circle taper hole of its little head end is coordinated with the outer conical surface of little set stub end.
Further, hold down gag includes several compressing units, the end face of middle set stub end is provided with several convex
Platform, each compressing unit with a boss putting corresponding.
Further, each compressing unit includes locking device, pressing plate, bearing pin；Bearing pin be arranged in the inwall of big set and
Corresponding with the position of middle set convex platform, the plate end of pressing plate is enclosed within bearing pin, and locking device is pressed on the plate end of pressing plate, pressing plate
Rod end be pressed on the boss of middle set.
Further, locking device includes locking nut, spring shim, and bearing pin is provided with screw thread, and locking nut screws
On the screw thread of bearing pin, and spring shim is pressed on the plate end of pressing plate, so that the rod end of pressing plate is pressed on the boss of middle set.
Further, locking device includes wedge pin, bearing pin is provided with wedged hole, wedge pin wedging is in the wedge shape of bearing pin
In the hole, and be pressed on the plate end of pressing plate, so that the rod end of pressing plate is pressed on the boss of middle set.
Further, described boss is preferably two, is distributed on the end face of middle set stub end.
Further, pressing plate is provided with reinforcement.
Further, blast-furnace tuyere equipment also includes covering greatly flange, seal closure, and big set flange is fixed on furnace shell, passes through
Securing member is connected with big set, and seal closure is enclosed within outside big covering and is fixed on furnace shell.
This utility model by hold down gag, middle set and little set is pressed in cone structure, can prevent well
Because little set and middle set ejection are caused the problem of the breakage in air port by stove inner high voltage.Meanwhile, this utility model structure is simple, peace
Dress, dismounting are all very convenient.
Brief description
Fig. 1 is a kind of schematic diagram of the blast-furnace tuyere equipment with hold down gag of this utility model；
Fig. 2 is the structural representation of the big set of this utility model；
Fig. 3 is the structural representation of set in this utility model；
Fig. 4 is the left view of Fig. 3；
Fig. 5 is the structural representation of this utility model pressing plate.
Specific embodiment
With reference to the accompanying drawings and detailed description this utility model is described in further detail.
Embodiment 1
A kind of blast-furnace tuyere equipment with hold down gag of this utility model, it includes by covering greatly 1, middle set 2 and little set 3 threes
It is fixed by socket cone structure, the hold down gag of formation；Hold down gag is arranged in cone structure；Wherein, middle set 2 is in furnace shell
In, big set 1 is in the outside of furnace shell, little set 3 is in the inner side of furnace shell, hold down gag is arranged in cone structure.Wherein, middle set
Abut against on the outside of furnace shell modular tile.Big set is made up of cast steel, and middle set, little set are made up of fine copper.Big set, middle set and little put
It is both provided with chilled water unit 12.
Embodiment 2
Cone structure in above-described embodiment is：The outer conical surface of middle set 2 stub ends and the big inner circle taper hole covering 1 little head end
Cooperation, the inner circle taper hole of its little head end is coordinated with the outer conical surface of little set 3 stub ends.
Embodiment 3
Hold down gag includes several compressing units, and the end face of middle set 2 stub end is provided with several boss 9, each
Compressing unit is corresponding with a boss 9 on middle set 2.The effect of hold down gag is to cover 2 in compression, accordingly even when being subject in stove
The effect of high pressure, little set and middle set also will not be ejected.
Embodiment 4
Wherein, each compressing unit includes locking device, pressing plate 6, bearing pin 8；Bearing pin 8 be arranged in the inwall of big set 1 and
Corresponding with the position of middle set 2 convex platforms 9, the plate end of pressing plate 6 is enclosed within bearing pin 8, and locking device is pressed on the plate end of pressing plate 6
On, the rod end of pressing plate 6 is pressed on the boss 9 of middle set 2.In order to substrate hold-down function is better achieved, bearing pin 8 preferably covers 1 one with big
Play casting, thus ensure that its rigidity and intensity, thus it is more reliable to compress boss 9.
Locking device in this utility model has following two structures：
Embodiment 5
A kind of locking device includes locking nut, spring shim, and bearing pin 8 is provided with screw thread, and locking nut screws in pin
On the screw thread of axle 8, and spring shim is pressed on the plate end of pressing plate 6, makes the rod end of pressing plate 6 be pressed on the boss 9 of middle set 2
On.This kind of structure is to cover 2 by nut, spring shim compression, so that little set and middle set will not be ejected；Screw thread is preferably
Bidirectional helical.
Embodiment 6
Another locking device includes wedge pin 5, bearing pin 8 is provided with wedged hole, wedge pin 5 wedging is in bearing pin 8
Wedge shape in the hole, and be pressed on the plate end of pressing plate 6, so that the rod end of pressing plate 6 is pressed on the boss 9 of middle set 2.
This structure can cover 2 in compressing by wedge pin 5, so that little set and middle set will not be ejected.With respect to upper
Plant structure, the structure of this locking device is simple, installs, dismantles all easily, and wedge pin has the function of self-locking, and energy is very well
Ground increases the firmness of tuyere equipment.
Embodiment 7
Described boss 9 preferably elects two as, is distributed on the end face of middle set 2 stub ends.Boss uniformly makes it be subject to
Hold down gag uniform pressure distribution, the setting of boss with can push down middle cover and do not affect normally dry as excellent.
Embodiment 8
In the above-described embodiments, pressing plate 6 is provided with reinforcement.Reinforcement makes the intensity enhancing of pressing plate 6, thus more preferably
Push down middle set 2.
Embodiment 9
Blast-furnace tuyere equipment with hold down gag of the present utility model also includes covering greatly flange 4, seal closure 7, big set flange 4
It is fixed on furnace shell 10, is connected with big set 1 by securing member, seal closure 7 is enclosed within and covers outside 1 greatly and be fixed on furnace shell 10.
Hold down gag of the present utility model can not only be provided in middle set, and can also be arranged in little set, as long as
Do not affect the use of air pressure gun.Specific embodiment is：The end face of little set 3 stub ends is provided with several boss, pressure
Tight device, in order to easy to operate, is also provided in covering greatly on 1（Naturally it can also arranged on middle set 2）If having in hold down gag
Dry with the one-to-one compressing unit of boss：So, the plate end of pressing plate 6 is enclosed within the inwall being arranged on big set 1 or middle set 2
On bearing pin 8, its plate end relies on wedge pin or nut compression, and its rod end is pressed on the boss of little set 3.
More than, preferred embodiment only of the present utility model, but protection domain of the present utility model is not limited thereto, and appoints
What those familiar with the art in the technical scope that this utility model discloses, the change that can readily occur in or replace
Change, all should cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should be with claim
The protection domain being defined is defined.
Claims (9)
1. a kind of blast-furnace tuyere equipment with hold down gag it is characterised in that：It includes by covering greatly（1）, middle set（2）With little set
（3）Three is fixed by socket the cone structure of formation, hold down gag；Wherein, middle set（2）It is in furnace shell, cover greatly（1）It is in furnace shell
Outside, little set（3）It is in the inner side of furnace shell, hold down gag is arranged in cone structure.
2. the blast-furnace tuyere equipment with hold down gag according to claim 1 it is characterised in that：Described cone structure
For：Middle set（2）The outer conical surface of stub end is covered with big（1）Little head end inner circle taper hole cooperation, the inner circle taper hole of its little head end with
Little set（3）The outer conical surface cooperation of stub end.
3. the blast-furnace tuyere equipment with hold down gag according to claim 1 it is characterised in that：Hold down gag includes some
Individual compressing unit, middle set（2）Several boss are provided with the end face of stub end（9）, each compressing unit and middle set（2）On
One boss（9）Corresponding.
4. the blast-furnace tuyere equipment with hold down gag according to claim 3 it is characterised in that：Each compressing unit includes
Locking device, pressing plate（6）, bearing pin（8）；Bearing pin（8）It is arranged on big set（1）Inwall in and with middle set（2）Convex platform（9）'s
Position is corresponding, pressing plate（6）Plate end be enclosed within bearing pin（8）On, locking device is pressed on pressing plate（6）Plate end on, pressing plate（6）'s
Rod end is pressed on middle set（2）Boss（9）On.
5. the blast-furnace tuyere equipment with hold down gag according to claim 4 it is characterised in that：Described locking device bag
Include locking nut, spring shim, bearing pin（8）On be provided with screw thread, locking nut screws in bearing pin（8）Screw thread on, and by bullet
Spring pad is pressed on pressing plate（6）Plate end on, make pressing plate（6）Rod end be pressed on middle set（2）Boss（9）On.
6. the blast-furnace tuyere equipment with hold down gag according to claim 4 it is characterised in that：Described locking device bag
Include wedge pin（5）, bearing pin（8）On be provided with wedged hole, wedge pin（5）Wedging is in bearing pin（8）Wedge shape in the hole, and be pressed on pressure
Plate（6）Plate end on, make pressing plate（6）Rod end be pressed on middle set（2）Boss（9）On.
7. the blast-furnace tuyere equipment with hold down gag according to claim 3 it is characterised in that：Described boss（9）Excellent
Elect two as, be distributed on middle set（2）On the end face of stub end.
8. the blast-furnace tuyere equipment with hold down gag according to claim 4 it is characterised in that：Pressing plate（6）On be provided with
Reinforcement.
9. the blast-furnace tuyere equipment with hold down gag according to claim 1 it is characterised in that：Described blast-furnace tuyere sets
Standby also include covering greatly flange（4）, seal closure（7）, cover greatly flange（4）It is fixed on furnace shell（10）Above, covered with big by securing member（1）
Connect, seal closure（7）It is enclosed within big set（1）Outer and be fixed on furnace shell（10）On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621057454.3U CN205999407U (en) | 2016-09-18 | 2016-09-18 | A kind of blast-furnace tuyere equipment with hold down gag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621057454.3U CN205999407U (en) | 2016-09-18 | 2016-09-18 | A kind of blast-furnace tuyere equipment with hold down gag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205999407U true CN205999407U (en) | 2017-03-08 |
Family
ID=58193242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621057454.3U Active CN205999407U (en) | 2016-09-18 | 2016-09-18 | A kind of blast-furnace tuyere equipment with hold down gag |
Country Status (1)
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| CN (1) | CN205999407U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106435076A (en) * | 2016-09-18 | 2017-02-22 | 中冶华天南京工程技术有限公司 | Blast furnace tuyere equipment with pressing device and installation method thereof |
| CN115404294A (en) * | 2022-08-30 | 2022-11-29 | 中国一冶集团有限公司 | Blast furnace tuyere big sleeve installation aligning device |
-
2016
- 2016-09-18 CN CN201621057454.3U patent/CN205999407U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106435076A (en) * | 2016-09-18 | 2017-02-22 | 中冶华天南京工程技术有限公司 | Blast furnace tuyere equipment with pressing device and installation method thereof |
| CN115404294A (en) * | 2022-08-30 | 2022-11-29 | 中国一冶集团有限公司 | Blast furnace tuyere big sleeve installation aligning device |
| CN115404294B (en) * | 2022-08-30 | 2023-07-18 | 中国一冶集团有限公司 | Blast furnace tuyere large sleeve mounting and aligning device |
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| GR01 | Patent grant |