CN102329905A - Iron-making blast furnace and taphole frame thereof - Google Patents
Iron-making blast furnace and taphole frame thereof Download PDFInfo
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- CN102329905A CN102329905A CN201110272879A CN201110272879A CN102329905A CN 102329905 A CN102329905 A CN 102329905A CN 201110272879 A CN201110272879 A CN 201110272879A CN 201110272879 A CN201110272879 A CN 201110272879A CN 102329905 A CN102329905 A CN 102329905A
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- iron
- mouth frame
- blast furnace
- iron mouth
- frame
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 156
- 229910052742 iron Inorganic materials 0.000 claims abstract description 80
- 239000002893 slag Substances 0.000 claims abstract description 8
- 230000002093 peripheral effect Effects 0.000 claims abstract description 6
- 238000003723 Smelting Methods 0.000 claims description 28
- 239000002184 metal Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 238000005728 strengthening Methods 0.000 claims description 3
- 238000005336 cracking Methods 0.000 abstract description 9
- 238000007789 sealing Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 4
- 230000006978 adaptation Effects 0.000 abstract 1
- 239000003034 coal gas Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 150000002505 iron Chemical class 0.000 description 4
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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Abstract
The invention discloses a taphole frame which comprises a frame body in adaptation with a taphole of an external blast furnace, wherein the frame body is in an integral structure, an opening, through which iron slag passes, is arranged at the middle part of the frame body, and a side plate connected with an external furnace shell is arranged on the peripheral part of the frame body. During the use process, the frame body is in the integral structure, and weld joints and other unstable assembly structures are not required in the structure, thereby effectively avoiding the structural hidden troubles, such as cracking of the weld joints and the like under a high-strength and high-temperature difference operation environment, further avoiding the failure of a sealing structure of the taphole frame, the leakage of coal gas and other potential safety hazards caused by the cracking of the weld joints and other reasons, significantly improving the structural strength of the taphole frame part and correspondingly improving the sealing property of the structure during the use process. The invention further discloses an iron-making blast furnace applying the taphole frame, the structural strength of the taphole frame part of the iron-making blast furnace is higher and the sealing property is better.
Description
Technical field
The present invention relates to the smelting equipment technical field, particularly a kind of iron mouth frame.The invention still further relates to the iron-smelting blast furnace of this iron mouth frame of a kind of application.
Background technology
Iron-smelting blast furnace is widely used in the every aspect of smelting and processing of metals as a kind of common smelting equipment.And iron notch is one of main technique equipment of discharging slag iron in the iron-making production as the important component part of iron-smelting blast furnace.Usually be provided with the iron mouth frame that matches with the passage that taps a blast furnace on the iron notch, in order to the refractory materials and the iron mouth mud cover of protection iron mouth passage.And along with the improving constantly of production intensity, people also have higher requirement for the use properties of iron mouth frame.
Please refer to Fig. 1, Fig. 1 is the assembly structure synoptic diagram of the iron mouth frame part of a kind of typical iron-smelting blast furnace in the prior art.
The iron mouth frame part of present existing iron-smelting blast furnace; Usually be welded with protecting sheet 12 in the outside of iron mouth frame 11; Iron mouth frame 11 all has the opening 13 that supplies slag iron to carry with the middle part of protecting sheet 12, and the iron mouth frame 11 after welding is fixing is fixed on the furnace shell 15 through bolt 14 with protecting sheet 12.
Yet, though the part of the iron mouth frame shown in Fig. 1 can satisfy the basic use needs of iron-smelting blast furnace, because 12 of its iron mouth frame 11 and protecting sheets adopt the welding fit; Its structural strength is relatively poor; And it is comparatively obvious to cold and heat succeed each other under the state before and after tapping a blast furnace in the production process, adds the physical shock of relevant cooperative device such as taphole drilling machine, and the welding seam part that iron mouth frame 11 and protecting sheet are 12 divides very easily cracking under the effect of high-strength mechanical impact and thermal stresses; Cause the integral sealing structural failure of iron mouth frame part; Cause Secondary cases accidents such as gas leak, serious harm operator's personnel safety, and the normal continuous production of iron-smelting blast furnace caused disadvantageous effect.
Therefore, how improving iron mouth frame structural strength and stopping property thereof partly is the important technological problems that those skilled in the art need solve at present.
Summary of the invention
The purpose of this invention is to provide a kind of iron mouth frame, the structural strength of this iron mouth frame is higher, and its stopping property is better.Another object of the present invention provides a kind of iron-smelting blast furnace of using above-mentioned iron mouth frame.
For solving the problems of the technologies described above; The present invention provides a kind of iron mouth frame; Be used for iron-smelting blast furnace, comprise and the suitable framework of outside blast furnace iron notch that said framework is an integral structure; The middle part of said framework has the opening that supplies the slag Tie Tong to cross, and the peripheral part of said framework has the side plate that is connected with outside furnace shell.
Preferably, have some through holes on the said side plate, said framework specifically fixes through bolt and the outside furnace shell that runs through said through hole.
Preferably, said through hole is specially counter sink.
Preferably, the front surface of said side plate is provided with plurality of strengthening ribs.
Preferably, be provided with metal gasket between the corresponding surface of the junction of said side plate and outside furnace shell.
Preferably, the junction of said side plate and outside furnace shell is provided with stiffening plate.
The present invention also provides a kind of iron-smelting blast furnace, comprises furnace shell, has iron notch on the said furnace shell, and said iron notch is provided with iron mouth frame, and said iron mouth frame is specially above-mentioned each described iron mouth frame.
Above-mentioned background is technological relatively; Iron mouth frame provided by the present invention; Be used for iron-smelting blast furnace, comprise and the suitable framework of outside blast furnace iron notch that said framework is an integral structure; The middle part of said framework has the opening that supplies the slag Tie Tong to cross, and the peripheral part of said framework has the side plate that is connected with outside furnace shell.In the use; Because said framework has integral structure; Its inside configuration need not unsettled assembly structures such as weld seam, thus the structure hidden danger such as weld cracking of effectively having avoided HS, high temperature difference operating environment to produce down, and then the iron mouth frame sealed structure of having avoided causing because of reasons such as weld crackings lost efficacy and potential safety hazard such as gas leak; Significantly improved the structural strength of iron mouth frame part, and made the sealing structure property in its use be able to corresponding raising.
In another preferred version of the present invention, have some through holes on the said side plate, said framework specifically fixes through bolt and the outside furnace shell that runs through said through hole.Adopt this kind bolts assemblies mode can further improve the assembling intensity between said framework and furnace shell, and bolt is more quick detachable, is convenient to when needed iron mouth frame partly dismantled to carry out necessary maintenance or replacing.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the assembly structure synoptic diagram of the iron mouth frame part of a kind of typical iron-smelting blast furnace in the prior art;
The assembly structure synoptic diagram of the iron mouth frame part of the iron-smelting blast furnace that Fig. 2 is provided for a kind of embodiment of the present invention;
Fig. 3 is the Facad structure synoptic diagram of Fig. 2 center body portion.
Embodiment
Core of the present invention provides a kind of iron mouth frame, and the structural strength of this iron mouth frame is higher, and its stopping property is better; Simultaneously, a kind of iron-smelting blast furnace of using above-mentioned iron mouth frame is provided.
In order to make those skilled in the art person understand the present invention program better, the present invention is done further detailed description below in conjunction with accompanying drawing and embodiment.
Please refer to Fig. 2 and Fig. 3, the assembly structure synoptic diagram of the iron mouth frame part of the iron-smelting blast furnace that Fig. 2 is provided for a kind of embodiment of the present invention; Fig. 3 is the Facad structure synoptic diagram of Fig. 2 center body portion.
In embodiment; Iron mouth frame provided by the present invention; Be used for iron-smelting blast furnace, comprise the framework 21 suitable with outside blast furnace iron notch, framework 21 is an integral structure; The middle part of framework 21 has the opening 211 that supplies the slag Tie Tong to cross, and the peripheral part of framework 21 has the side plate 22 that is connected with outside furnace shell 31.In the use; Because framework 21 has integral structure; Its inside configuration need not unsettled assembly structures such as weld seam, thus the structure hidden danger such as weld cracking of effectively having avoided HS, high temperature difference operating environment to produce down, and then the iron mouth frame sealed structure of having avoided causing because of reasons such as weld crackings lost efficacy and potential safety hazard such as gas leak; Significantly improved the structural strength of iron mouth frame part, and made the sealing structure property in its use be able to corresponding raising.
Particularly, have some through holes 23 on the side plate 22, framework 21 specifically fixes with outside furnace shell 31 through the bolt 231 that runs through through hole 23.Adopt this kind bolts assemblies mode can further improve the assembling intensity of 31 of framework 21 and furnace shells, and bolt 231 is more quick detachable, is convenient to when needed iron mouth frame partly dismantled to carry out necessary maintenance or replacing.
More specifically, through hole 23 is specially counter sink.Through hole 23 with this kind countersunk head structure can effectively reduce itself and 231 required spaces of assembly structure of bolt; Make of the groundwork effect on structure corresponding reduction of its assembly relation to iron mouth frame part; Simultaneously; The assembly relation that through hole 23 with this countersunk head structure can make 231 on itself and bolt more fully, closely and makes that the integral installation distribution structure of said iron mouth frame part is more reliable and more stable.
Certainly, above-mentioned through hole 23 is specially counter sink and is merely preferred version, and this through hole 23 is not limited to the described counter sink of the foregoing description, all can so long as can satisfy the actual use needs of said iron mouth frame.
Further, the front surface of side plate 22 is provided with plurality of strengthening ribs 24.This stiffening web 24 can further improve the structural strength of framework 21, and it more can be experienced a shock and push, and makes the overall mechanical strength of said iron mouth frame be able to corresponding raising.
In addition, be provided with metal gasket 25 between the corresponding surface of the junction of side plate 22 and outside furnace shell 31.Assembling intensity when this metal gasket 25 can further improve side plate 22 and 31 bolts assemblies of furnace shell, and avoid the wearing and tearing that cause because of assembly structure between its main part mating surface, thus further prolong the work-ing life of said iron mouth frame.
On the other hand, side plate 22 is provided with stiffening plate 26 with the junction of outside furnace shell 31.This stiffening plate 26 can further improve side plate 22 and 31 bolted fastening forces of furnace shell, and makes the corresponding raising of its assembling intensity, thereby the integral installation distribution structure that guarantees said iron mouth frame part is more reliable and more stable.
In embodiment, iron-smelting blast furnace provided by the present invention comprises furnace shell, has iron notch on the said furnace shell, and said iron notch is provided with iron mouth frame, and said iron mouth frame is specially the iron mouth frame shown in Fig. 2.The structural strength of the iron mouth frame part of this iron-smelting blast furnace is higher, and its stopping property is better.
Can know that to sum up the iron mouth frame that provides among the present invention is used for iron-smelting blast furnace; Comprise and the suitable framework of outside blast furnace iron notch; Said framework is an integral structure, and the middle part of said framework has the opening that supplies the slag Tie Tong to cross, and the peripheral part of said framework has the side plate that is connected with outside furnace shell.In the use; Because said framework has integral structure; Its inside configuration need not unsettled assembly structures such as weld seam, thus the structure hidden danger such as weld cracking of effectively having avoided HS, high temperature difference operating environment to produce down, and then the iron mouth frame sealed structure of having avoided causing because of reasons such as weld crackings lost efficacy and potential safety hazard such as gas leak; Significantly improved the structural strength of iron mouth frame part, and made the sealing structure property in its use be able to corresponding raising.
In addition, the iron-smelting blast furnace of having used above-mentioned iron mouth frame provided by the invention, the structural strength of the iron mouth frame part of this iron-smelting blast furnace is higher, and its stopping property is better.
More than iron mouth frame provided by the present invention and the iron-smelting blast furnace of having used this iron mouth frame have been carried out detailed introduction.Used concrete example among this paper principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (7)
1. iron mouth frame; Be used for iron-smelting blast furnace, it is characterized in that: comprise and the suitable framework of outside blast furnace iron notch that said framework is an integral structure; The middle part of said framework has the opening that supplies the slag Tie Tong to cross, and the peripheral part of said framework has the side plate that is connected with outside furnace shell.
2. iron mouth frame as claimed in claim 1 is characterized in that: have some through holes on the said side plate, said framework specifically fixes through bolt and the outside furnace shell that runs through said through hole.
3. iron mouth frame as claimed in claim 2, it is characterized in that: said through hole is specially counter sink.
4. iron mouth frame as claimed in claim 3, it is characterized in that: the front surface of said side plate is provided with plurality of strengthening ribs.
5. like each described iron mouth frame in the claim 1 to 4, it is characterized in that: be provided with metal gasket between the corresponding surface of the junction of said side plate and outside furnace shell.
6. the iron mouth frame described in claim 5, it is characterized in that: the junction of said side plate and outside furnace shell is provided with stiffening plate.
7. an iron-smelting blast furnace comprises furnace shell, has iron notch on the said furnace shell, and said iron notch is provided with iron mouth frame, it is characterized in that: said iron mouth frame is specially like each described iron mouth frame in the claim 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110272879A CN102329905A (en) | 2011-09-15 | 2011-09-15 | Iron-making blast furnace and taphole frame thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110272879A CN102329905A (en) | 2011-09-15 | 2011-09-15 | Iron-making blast furnace and taphole frame thereof |
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| Publication Number | Publication Date |
|---|---|
| CN102329905A true CN102329905A (en) | 2012-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110272879A Pending CN102329905A (en) | 2011-09-15 | 2011-09-15 | Iron-making blast furnace and taphole frame thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201272813Y (en) * | 2008-09-16 | 2009-07-15 | 河北省首钢迁安钢铁有限责任公司 | Inner lining composite structure of blast furnace casting hole |
| CN201334487Y (en) * | 2008-11-28 | 2009-10-28 | 上海宝钢工业检测公司 | Taphole structure of a stable type large-scale blast furnace |
| CN101892337A (en) * | 2010-06-22 | 2010-11-24 | 武汉威林炉衬材料有限责任公司 | Method for maintaining blast furnace taphole |
| CN201729842U (en) * | 2010-06-03 | 2011-02-02 | 鞍钢集团工程技术有限公司 | Iron seepage-proofing burnout-resistance iron notch frame |
| CN202246719U (en) * | 2011-09-15 | 2012-05-30 | 莱芜钢铁集团有限公司 | Iron-smelting blast furnace and taphole frame thereof |
-
2011
- 2011-09-15 CN CN201110272879A patent/CN102329905A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201272813Y (en) * | 2008-09-16 | 2009-07-15 | 河北省首钢迁安钢铁有限责任公司 | Inner lining composite structure of blast furnace casting hole |
| CN201334487Y (en) * | 2008-11-28 | 2009-10-28 | 上海宝钢工业检测公司 | Taphole structure of a stable type large-scale blast furnace |
| CN201729842U (en) * | 2010-06-03 | 2011-02-02 | 鞍钢集团工程技术有限公司 | Iron seepage-proofing burnout-resistance iron notch frame |
| CN101892337A (en) * | 2010-06-22 | 2010-11-24 | 武汉威林炉衬材料有限责任公司 | Method for maintaining blast furnace taphole |
| CN202246719U (en) * | 2011-09-15 | 2012-05-30 | 莱芜钢铁集团有限公司 | Iron-smelting blast furnace and taphole frame thereof |
Non-Patent Citations (2)
| Title |
|---|
| 邢士建等: "高炉铁口煤气泄漏铁水喷溅治理实践", 《山东冶金》, vol. 33, no. 4, 31 August 2011 (2011-08-31) * |
| 郑海松等: "5号高炉铁口框烧穿的处理", 《柳钢科技》, no. 1, 31 December 2010 (2010-12-31) * |
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Application publication date: 20120125 |