CN207347586U - The central throat tube of blast furnace top equipment - Google Patents
The central throat tube of blast furnace top equipment Download PDFInfo
- Publication number
- CN207347586U CN207347586U CN201721333429.8U CN201721333429U CN207347586U CN 207347586 U CN207347586 U CN 207347586U CN 201721333429 U CN201721333429 U CN 201721333429U CN 207347586 U CN207347586 U CN 207347586U
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- Prior art keywords
- wear
- resistant liner
- liner
- resistant
- throat tube
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- 238000009434 installation Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 4
- 239000000571 coke Substances 0.000 description 4
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 210000000867 larynx Anatomy 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 241001062472 Stokellia anisodon Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Blast Furnaces (AREA)
Abstract
A kind of central throat tube of blast furnace top equipment,Including shell body,Some wear-resistant liner groups being located inside shell body and the inner sleeve to fixed wear-resistant liner,The wear-resistant liner group include be obliquely installed successively from top to bottom first on wear-resistant liner,Wear-resistant liner on second,Middle and upper part wear-resistant liner,Middle part wear-resistant liner,Middle and lower part wear-resistant liner,First time wear-resistant liner,Second time wear-resistant liner,The three times wear-resistant liners,The middle and upper part wear-resistant liner,Middle part wear-resistant liner,Middle and lower part wear-resistant liner and lower part wear-resistant liner are fixed and welded together with inner sleeve respectively,It is installed on again on the wear-resistant liner of middle and upper part after wear-resistant liner fits together on wear-resistant liner and second on described first,First time wear-resistant liner and second time wear-resistant liner are installed on the three times wear-resistant liners so as to form antiwear complex superposition structure again after fitting together.
Description
【Technical field】
Rolling machinery technical field is the utility model is related to, refers in particular to a kind of central throat tube of blast furnace top equipment.
【Background technology】
Central throat tube is installed on inside blast furnace roof water cooling gastight transmission gear-box, its blast furnace top equipment gear-box is high
Critical component in stove non-bell furnace top charging equipment, it is installed on bottom in top charging equipment, is installed on lip ring
On, it is uniformly charged again in stove by central throat tube with coke for raw material-ore needed for smelting iron, keeps furnace top pressure steady
It is fixed.Central throat tube is become by the component names of ore and coke system inside country's blast furnace top equipment gear-box at present.Center
Trunnion is installed on the inside of blast furnace top equipment water cooling gear-box, its main function is will to smelt iron required raw ore and coke
It is uniformly charged in stove, while is protected in charging process since mineral aggregate rushes gear-box internal rotating device by central throat tube
Hit influence.Its primary structure by upper tapering housing together with straight section case weld, inside it respectively build-up wear-resistant liner plate with
Straight section wear-resistant liner, mounting flange are used to central throat tube being installed on inside gear-box, play fixed supporting role.
A kind of combination quick-changing type central throat tube, the combination with reference to disclosed in No. 2518868 patent of Chinese utility model
Quick-changing type central throat tube includes the hard alloy layer of intersegmental part built-up welding or the antifriction alloy of coating under body, anti-wearing liner and body
Layer.Pass through inside above-mentioned central throat tube for the raw ore and coke needed for blast furnace ironmaking, due to blanking in blanking process
Curve, which misaligns, to produce impact and abrasion to central throat tube inner wall, cause to beat inside central throat tube Lou, cause to gear-box
Rotating device has an impact, and shortens service life of equipment, causes blast furnace staying accident.Simultaneously because center hypolarynx is blast furnace
Body central interior gas temperature height has an impact central throat tube lower part, central throat tube is caused when serious usually more than 400 DEG C
Lower part is burnt out.
Therefore, it is necessory to provide a kind of central throat tube of new blast furnace top equipment, to overcome drawbacks described above.
【Utility model content】
The purpose of this utility model is to provide a kind of central throat tube for avoiding impact wear.
The purpose of this utility model is achieved through the following technical solutions：A kind of central throat tube of blast furnace top equipment, bag
Shell body, some wear-resistant liner groups being located inside shell body and the inner sleeve to fixed wear-resistant liner are included, it is described wear-resisting
Liner plate group include being obliquely installed successively from top to bottom first on wear-resistant liner, wear-resistant liner on second, middle and upper part wear-resistant liner,
Middle part wear-resistant liner, middle and lower part wear-resistant liner, first time wear-resistant liner, second time wear-resistant liner, the three times wear-resistant liners, it is described
Middle and upper part wear-resistant liner, middle part wear-resistant liner, middle and lower part wear-resistant liner and lower part wear-resistant liner are fixed with inner sleeve respectively
Weld together, be installed on middle and upper part wear-resisting lining after wear-resistant liner fits together on wear-resistant liner and second on described first again
On plate, first time wear-resistant liner and second time wear-resistant liner are installed on the three times wear-resistant liners so as to structure again after fitting together
Into antiwear complex superposition structure.
Further, installation forms the wear-resistant liner group successively from bottom to top.
Further, it is directly welded at positioned at the three times wear-resistant liners of the lowermost on inner sleeve, it is resistance under described second
Mill lining plate is directly installed on the three times wear-resistant liners, and first time wear-resistant liner is directly installed on second time wear-resistant liner again
On, so as to form the lower part liner plate group with complex superposition structure.
Further, installed on the top of lower part liner plate group by middle and lower part wear-resistant liner together with inner sleeve group welding
Complex superposition structure middle and lower part wear-resistant liner group.
Further, in the liner plate group of middle and lower part installation be welded together by middle part wear-resistant liner and inner sleeve it is compound folded
Add the middle part liner plate group of structure.
Further, installed again in the liner plate group of middle part by middle and upper part wear-resistant liner be welded together with inner sleeve it is compound
The middle and upper part liner plate group of overlaying structure.
Further, installed successively on middle and upper part complex superposition liner plate group top on second wear-resistant liner with it is wear-resisting on first
Liner plate.
Compared with prior art, the utility model has the advantages that：The utility model central throat tube is in center larynx
Wear-resistant liner group, wherein middle and upper part wear-resistant liner, middle part wear-resistant liner, middle and lower part wear-resisting lining are installed from top to bottom inside tube shell
Plate and lower part wear-resistant liner are fixed and welded together respectively at inner sleeve, wear-resistant liner on wear-resistant liner and second on first
It is installed on again on the wear-resistant liner of middle and upper part after fitting together, first time wear-resistant liner is fitted together with second time wear-resistant liner
It is installed to again on the three times wear-resistant liners afterwards, so that its internal lining plate structure forms complex superposition form.So design is effective
Ground avoids the impact and abrasion produced in blanking process due to blanking curve to central throat tube inner wall, while improves center larynx
The stability of pipe structure, solves the problems, such as that its high temperature resistant deforms, more effectively extends its service life.
【Brief description of the drawings】
Fig. 1 is the schematic diagram of the central throat tube of the utility model blast furnace top equipment.
【Embodiment】
Hereinafter, the embodiment of the central throat tube of the utility model blast furnace top equipment will be introduced with reference to Fig. 1.In order to
Convenient description, the description of all orientation is with reference to Fig. 1.
The central throat tube is installed on inside blast furnace top equipment gear-box, is fixed by a mounting flange 1 and pressing plate 12
Installed in the inside of gear-box, the impact and abrasion reduced in blanking process to gear-box internal rotating device is realized.In described
Heart trunnion includes shell body 2, some wear-resistant liner groups being located inside shell body 2 and the inner sleeve to fixed wear-resistant liner
5.The wear-resistant liner group include being obliquely installed successively from top to bottom first on wear-resistant liner 4 on wear-resistant liner 3, second, in
Top wear-resistant liner 6, middle part wear-resistant liner 7, middle and lower part wear-resistant liner 8, first time wear-resistant liner 9, second time wear-resistant liner 10,
The three times wear-resistant liners 11.
Four layers of inner sleeve 5 are separately installed with inside the central throat tube housing 2 of the central throat tube.Positioned at the lowermost
Three times wear-resistant liner 11 is directly welded on inner sleeve 5, and second time wear-resistant liner 10 is wear-resisting under being directly installed on the 3rd
On liner plate 11, first time wear-resistant liner 9 is directly installed on second time wear-resistant liner 10 again, so as to form band complex superposition
The lower part liner plate group of structure.Installed successively on the top of lower part liner plate group by middle and lower part wear-resistant liner 8 and 5 group welding of inner sleeve
The middle and lower part wear-resistant liner group of complex superposition structure together, in the liner plate group of middle and lower part installation by middle part wear-resistant liner 7 with
The middle part liner plate group for the complex superposition structure that 5 groups of inner sleeve is welded together, is installed resistance to by middle and upper part again in the liner plate group of middle part
The middle and upper part liner plate group for the complex superposition structure that mill lining plate 6 is welded together with 5 groups of inner sleeve, finally in middle and upper part complex superposition
Wear-resistant liner 3 on wear-resistant liner 4 and first is installed on second on liner plate group top successively, so as to form the center of complex superposition form
Trunnion.
The utility model central throat tube installs wear-resistant liner group from bottom to up inside central throat tube housing 2, wherein, on
Portion's wear-resistant liner 6, middle part wear-resistant liner 7, middle and lower part wear-resistant liner 8 and lower part wear-resistant liner 11 are solid with inner sleeve 5 respectively
Surely weld together, be installed on middle and upper part wear-resisting lining after wear-resistant liner 4 fits together on wear-resistant liner 3 and second on first again
On plate 6, first time wear-resistant liner 9 and second time wear-resistant liner 10 are installed to the three times wear-resistant liners 11 again after fitting together
On, so that its internal wear-resisting lining plate structure forms complex superposition form.So design be effectively prevented from blanking process by
In impact and abrasion that blanking curve produces central throat tube inner wall, while the stability of central throat tube structure is improved, solved
The problem of its high temperature resistant deforms, more effectively extends its service life.
The foregoing is merely some embodiments of the utility model, the embodiment being not all of, the common skill in this area
Art personnel are by reading the utility model specification any equivalent change for taking technical solutions of the utility model
The claim of the utility model is covered.
Claims (7)
1. a kind of central throat tube of blast furnace top equipment, including shell body, some wear-resistant liner groups for being located inside shell body and
To the inner sleeve of fixed wear-resistant liner, the wear-resistant liner group include being obliquely installed successively from top to bottom first on it is wear-resisting
Liner plate, wear-resistant liner, middle and upper part wear-resistant liner, middle part wear-resistant liner, middle and lower part wear-resistant liner, first time wear-resisting lining on second
Plate, second time wear-resistant liner, the three times wear-resistant liners, it is characterised in that：The middle and upper part wear-resistant liner, middle part wear-resistant liner,
Middle and lower part wear-resistant liner and lower part wear-resistant liner are fixed and welded together with inner sleeve respectively, wear-resistant liner on described first
After being fitted together with wear-resistant liner on second again be installed on middle and upper part wear-resistant liner on, first time wear-resistant liner with it is resistance under second
Mill lining plate is installed on the three times wear-resistant liners so as to form antiwear complex superposition structure again after fitting together.
2. central throat tube as claimed in claim 1, it is characterised in that：The wear-resistant liner group install successively from bottom to top and
Into.
3. central throat tube as claimed in claim 2, it is characterised in that：Directly welded positioned at the three times wear-resistant liners of the lowermost
On inner sleeve, second time wear-resistant liner is directly installed on the three times wear-resistant liners, first time wear-resistant liner
It is directly installed on again on second time wear-resistant liner, so as to form the lower part liner plate group with complex superposition structure.
4. central throat tube as claimed in claim 3, it is characterised in that：In lower part, the top installation of liner plate group is wear-resisting by middle and lower part
The middle and lower part wear-resistant liner group of complex superposition structure of the liner plate together with inner sleeve group welding.
5. central throat tube as claimed in claim 4, it is characterised in that：Installation is by middle part wear-resistant liner in the liner plate group of middle and lower part
The middle part liner plate group for the complex superposition structure being welded together with inner sleeve.
6. central throat tube as claimed in claim 5, it is characterised in that：Installed again by middle and upper part wear-resisting lining in the liner plate group of middle part
The middle and upper part liner plate group for the complex superposition structure that plate is welded together with inner sleeve.
7. central throat tube as claimed in claim 6, it is characterised in that：Installed successively on middle and upper part complex superposition liner plate group top
Wear-resistant liner on wear-resistant liner and first on second.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721333429.8U CN207347586U (en) | 2017-10-17 | 2017-10-17 | The central throat tube of blast furnace top equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721333429.8U CN207347586U (en) | 2017-10-17 | 2017-10-17 | The central throat tube of blast furnace top equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207347586U true CN207347586U (en) | 2018-05-11 |
Family
ID=62354850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721333429.8U Active CN207347586U (en) | 2017-10-17 | 2017-10-17 | The central throat tube of blast furnace top equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207347586U (en) |
-
2017
- 2017-10-17 CN CN201721333429.8U patent/CN207347586U/en active Active
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