CN104141021B - A kind of method of blast furnace open hole and blast furnace open hole device systems - Google Patents
A kind of method of blast furnace open hole and blast furnace open hole device systems Download PDFInfo
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- CN104141021B CN104141021B CN201410428346.1A CN201410428346A CN104141021B CN 104141021 B CN104141021 B CN 104141021B CN 201410428346 A CN201410428346 A CN 201410428346A CN 104141021 B CN104141021 B CN 104141021B
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Abstract
The present invention relates to a kind of method and blast furnace open hole device systems of blast furnace open hole, steps of the method are: first adopt mechanical iron perforater from iron notch reference point along the channel direction of tapping a blast furnace preset toward blast furnace internal drilling, when the drilling rod of mechanical iron perforater is drilled into predetermined position, drilling rod is exited the passage that taps a blast furnace; Adopt laser iron perforater to produce laser again, the passage that taps a blast furnace is got through in the duct that this laser is drilled with along mechanical iron perforater.Blast furnace open hole device systems comprises mechanical iron perforater and can lasing laser iron perforater, and mechanical iron perforater and laser iron perforater coordinating operation get through the passage that taps a blast furnace forming blast furnace.The invention has the beneficial effects as follows: the wearing and tearing reducing mechanical iron perforater drill bit; The passage that taps a blast furnace formed is smooth, is convenient to tap a blast furnace; Iron perforater equipment can be avoided to damage when the splash of iron mouth; Can remote control be realized, ensure the personnel safety of operator.
Description
Technical field
The present invention relates to a kind of method and blast furnace open hole device systems of blast furnace open hole, for getting through the passage that taps a blast furnace before blast furnace casting.
Background technology
The problems such as along with blast furnace keeps the large-scale development, the formula of blast furnace iron notch stemming is updated, and its intensity and hardness improve, and cause the drilling weak effect of iron perforater, aperture efficiency low, and drilling tool work-ing life is short, consuming cost is high are difficult to solve always.After iron perforater drilling to the fervid layer of stemming, the phenomenon that frequent generation iron perforater cannot bore, now generally burns tapping outlet by stokehold workman with oxygen, causes the tapping outlet time long, labor intensity of operating staff is large, and the personnel safety of operator can not get abundant guarantee.Owing to burning the misoperation of iron mouth with oxygen, make the iron mouth medullary ray of the duct off-design of burning, and duct inwall hollow is uneven, expands the sectional area in duct, destroys the complete of duct.When blocking up, in duct, the slag iron liquid at hollow place cannot flow back to cupola well, under the effect of external and internal pressure, the extruding of slag iron liquid is infiltrated in stemming, causes duct shim, causes next tapping outlet difficulty.
Therefore the method and the tapping outlet equipment that design a kind of blast furnace open hole is necessary, to overcome the problems referred to above.
Summary of the invention
The object of the invention is to the defect overcoming prior art, a kind of method and blast furnace open hole device systems of blast furnace open hole are provided, the method and device systems can reduce the wearing and tearing of mechanical iron perforater drill bit, the passage that taps a blast furnace formed is smooth, can ensure the personnel safety of mechanical means safety and operator simultaneously.
Technical scheme of the present invention is as follows:
A method for blast furnace open hole, comprises the following steps:
Described iron mouth comprise the iron mouth frame be positioned on last furnace shell, iron mouth frame stemming and be positioned at furnace bottom lay bricks top mud drum, described mud drum comprises the region that mud drum is corroded by slag, iron, establish an iron notch reference point at iron mouth frame outer surface, preset from iron notch reference point and sea line have angle a downward be the direction of passage of tapping a blast furnace by the direction of the stemming in iron mouth frame, mud drum successively;
Adopt mechanical iron perforater along the channel direction of tapping a blast furnace preset toward blast furnace internal drilling, when the drilling rod of described mechanical iron perforater is drilled into predetermined position, tap a blast furnace described in being exited by described drilling rod passage;
Adopt laser iron perforater to produce laser, described laser enters the duct that described mechanical iron perforater is drilled with, and utilizes the heat of laser to get through the remaining passage that taps a blast furnace, and when molten iron flows out in blast furnace, closes laser iron perforater, completes the process of tapping outlet.
Further, when the drilling rod of described mechanical iron perforater is drilled into mud drum by the region of slag, iron erosion, tap a blast furnace described in described drilling rod exits passage.
Further, the separately fixed installation of described mechanical iron perforater and laser iron perforater, the Laser emission angle of described laser iron perforater is pre-set, when described drilling rod rotates and leaves the operating path of laser, can start laser iron perforater.
Further, described laser iron perforater is fixed on mechanical iron perforater, and after the passage that taps a blast furnace described in described drilling rod exits, rotating machinery iron perforater, to laser tapping outlet machine side to the passage that taps a blast furnace, starts described laser iron perforater after adjustment Laser emission angle.
A kind of blast furnace open hole device systems, comprise mechanical iron perforater and can lasing laser iron perforater, described mechanical iron perforater comprises drilling rod, described drilling rod is identical with the channel direction of tapping a blast furnace of blast furnace with the operating direction of laser, the working length of described drilling rod and the working length sum of described laser for described in tap a blast furnace the length of passage.
Further, the working length of described drilling rod is the distance in the region corroded by slag, iron from iron notch reference point to mud drum of tapping a blast furnace on passage.
Further, described mechanical iron perforater and laser iron perforater separately fixed installation.
Further, described laser iron perforater is fixed on mechanical iron perforater.
Further, the mode that described laser iron perforater is bolted is fixed on mechanical iron perforater.
The present invention has following beneficial effect: adopt mechanical iron perforater and laser tapping outlet coordinating operation, avoids the drill bit of mechanical iron perforater to force brill to be opened and oozes iron layer, worn drill bit, reduce the consumption of drill bit; The operating distance of drilling rod is shorter, and drilling rod easily exits from the passage that taps a blast furnace, and is easier to proterctive equipment; After being exited by drilling rod, by mechanical iron perforater cycle to original position, mechanical means is avoided to damage when the splash of iron mouth; Adopt laser iron perforater to beat tapping outlet, the passage that taps a blast furnace of formation is smooth, is convenient to tap a blast furnace; Can remote control be realized, when there is spray iron phenomenon in iron mouth, can the personnel safety of effective guarantee operator.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The schematic diagram of the mechanical iron perforater tapping outlet that Fig. 1 provides for the embodiment of the present invention;
The schematic diagram of the laser iron perforater tapping outlet that Fig. 2 provides for the embodiment of the present invention;
Wherein: 1, furnace shell; 2, iron mouth frame; 3, iron notch reference point; 4, furnace bottom is laid bricks; 5, tap a blast furnace passage; 6, mud drum is by the region of slag, iron erosion; 7, mud drum; 8, mechanical iron perforater; 9, drilling rod; 10, laser iron perforater; 11, laser; A, tap a blast furnace passage horizontal sextant angle.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, other embodiments all that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belong to the scope of protection of the invention.
As depicted in figs. 1 and 2, the embodiment of the present invention provides a kind of method of blast furnace open hole, comprises the following steps:
(1) described iron mouth comprise the iron mouth frame 2 be positioned on last furnace shell 1, iron mouth frame 2 stemming and be positioned at the mud drum 7 that furnace bottom lays bricks above 4, described mud drum 7 comprises the region 6 that mud drum is corroded by slag, iron, establish an iron notch reference point 3 at iron mouth frame 2 outer surface, preset from iron notch reference point 3 and the sea line a that has angle be the direction of passage 5 of tapping a blast furnace by the direction of the stemming in iron mouth frame 2, mud drum 8 successively downwards;
(2) adopt mechanical iron perforater 8 along passage 5 direction of tapping a blast furnace of presetting toward blast furnace internal drilling, when the drilling rod 9 of described mechanical iron perforater 8 is drilled into predetermined position, tap a blast furnace described in being exited by described drilling rod 9 passage 5;
(3) adopt laser iron perforater 10 to produce laser 11, the duct that described laser 11 is drilled with along described mechanical iron perforater 8 enters in blast furnace, utilizes the heat of laser 11 to get through the remaining passage 5 that taps a blast furnace; When molten iron flows out in blast furnace, close laser iron perforater 10, the process completing tapping outlet gets through the passage 5 that taps a blast furnace.
In the method for the blast furnace open hole that the present embodiment provides, described iron notch reference point 3 is the molten iron discharging position of expection, is the tapping outlet work standard point of setting; The direction of the described passage 5 that taps a blast furnace is the tapping outlet operating direction preset.
As depicted in figs. 1 and 2, in the method for the blast furnace open hole that the present embodiment provides, preferably, when the drilling rod 9 of described mechanical iron perforater 8 is drilled into mud drum by the region 6 of slag, iron erosion, tap a blast furnace described in being exited by described drilling rod 9 passage 5; And then adopt laser iron perforater 10 to produce laser 11, utilize the region 6 that described in the heat melts of laser 11, mud drum is corroded by slag, iron, get through the remaining passage 5 that taps a blast furnace.In actual job process, can avoid drill bit force brill open ooze iron layer time by heavy wear, can be cost-saving; The passage that taps a blast furnace adopting laser to get through is smooth, is convenient to tap a blast furnace, and can avoid the infringement to iron mouth caused by misoperation during oxygen burning iron mouth.
In the method for the blast furnace open hole that the present embodiment provides, described mechanical iron perforater 8 and laser iron perforater 10 can separately fixedly mount, laser 11 emission angle of described laser iron perforater 10 is pre-set, when described drilling rod 9 rotates and leaves the operating path of laser 11, laser iron perforater 10 can be started.Described laser iron perforater 10 also can be fixed on mechanical iron perforater 8, tap a blast furnace after passage 5 described in described drilling rod 9 exits, rotating machinery iron perforater 8 to laser iron perforater 10, towards the passage 5 that taps a blast furnace, starts described laser iron perforater 10 after adjustment laser 11 emission angle.Preferably, take the first structure, greatly can shorten described drilling rod 9 and withdraw from the timed interval that the passage 5 that taps a blast furnace starts between operation to described laser iron perforater 10 in actual job process, so laser iron perforater 10 can be fixed on somewhere, the angle of its laser 11 produced is adjustable flexibly, in the cycle of mechanical iron perforater 8 in the process of original position, laser iron perforater 10 can be opened at once and carry out operation, thus the time of tapping outlet can be shortened.
In the method for the blast furnace open hole that the present embodiment provides, described laser iron perforater 10 is connected with remote control terminal, can the unlatching of Long-distance Control laser iron perforater 10, closedown and laser 11 emission angle.Described remote control terminal adopts remote computer to control, and the remote control program of existing technical field of automatic control can meet the control overflow to described laser iron perforater 10 in the present embodiment, does not need to programme in addition again.
For realizing the method for above-mentioned blast furnace open hole, the embodiment of the present invention provides a kind of device systems of blast furnace open hole, comprise mechanical iron perforater 8 and the laser iron perforater 10 that can produce laser 11, described mechanical iron perforater 8 comprises drilling rod 9, described drilling rod 9 is identical with passage 5 direction of tapping a blast furnace of blast furnace with the operating direction of laser 11, the working length of described drilling rod 9 and the working length sum of described laser 11 for described in tap a blast furnace the length of passage 5.
The working length of described drilling rod 9 is the distance in the region 6 corroded by slag, iron from iron notch reference point 3 to mud drum of tapping a blast furnace on passage 5.
In the blast furnace open hole device systems that the present embodiment provides, the separately fixed installation of described mechanical iron perforater 8 and laser iron perforater 10; Or described laser iron perforater 10 is fixed on mechanical iron perforater 8.Preferably, the first structure is taked.When taking the second structure, described laser iron perforater 10 is bolted or the mode such as welding is fixed on mechanical iron perforater 8.
In the blast furnace open hole device systems that the present embodiment provides, described laser iron perforater 10 is connected with remote control terminal, can the unlatching of Long-distance Control laser iron perforater 10, closedown and laser 11 emission angle.Described remote control terminal adopts remote computer to control, and the remote control program of existing technical field of automatic control can meet the control overflow to described laser iron perforater 10 in the present embodiment, does not need to programme in addition again.Can remote control be realized like this, when there is spray iron phenomenon in iron mouth, can the personnel safety of effective guarantee operator.
The embodiment of the present invention has following beneficial effect: adopt mechanical iron perforater and laser tapping outlet coordinating operation, avoids the drill bit of mechanical iron perforater to force brill to be opened and oozes iron layer, worn drill bit, reduce the consumption of drill bit; The operating distance of drilling rod is shorter, and drilling rod easily exits from the passage that taps a blast furnace, and is easier to proterctive equipment; After being exited by drilling rod, by mechanical iron perforater cycle to original position, mechanical means is avoided to damage when the splash of iron mouth; Adopt laser iron perforater to beat tapping outlet, the passage that taps a blast furnace of formation is smooth, is convenient to tap a blast furnace; Can remote control be realized, when there is spray iron phenomenon in iron mouth, can the personnel safety of effective guarantee operator.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a method for blast furnace open hole, is characterized in that, comprises the following steps:
Described iron mouth comprise the iron mouth frame (2) be positioned on last furnace shell (1), iron mouth frame (2) stemming and be positioned at furnace bottom lay bricks (4) top mud drum (7), described mud drum (7) comprises the region (6) that mud drum is corroded by slag, iron, establish an iron notch reference point (3) at iron mouth frame (2) outer surface, preset and have angle a downwards successively by direction that the stemming of iron mouth frame (2), the direction of mud drum (7) are the passage that taps a blast furnace (5) from iron notch reference point (3) and sea line;
Adopt mechanical iron perforater (8) along the passage that taps a blast furnace (5) direction of presetting toward blast furnace internal drilling, when the drilling rod (9) of described mechanical iron perforater (8) is drilled into region (6) that mud drum corroded by slag, iron, tap a blast furnace described in being exited by described drilling rod (9) passage (5);
Adopt laser iron perforater (10) to produce laser (11), the passage that taps a blast furnace (5) is got through in the duct that described laser (11) is drilled with along described mechanical iron perforater (8).
2. the method for blast furnace open hole according to claim 1, it is characterized in that: the separately fixed installation of described mechanical iron perforater (8) and laser iron perforater (10), laser (11) emission angle of described laser iron perforater (10) is pre-set, when described drilling rod (9) rotates and leaves the operating path of laser (11), laser iron perforater (10) can be started.
3. the method for blast furnace open hole according to claim 1, it is characterized in that: described laser iron perforater (10) is fixed on mechanical iron perforater (8), tap a blast furnace after passage (5) described in described drilling rod (9) exits, rotating machinery iron perforater (8), to laser iron perforater (10) towards the passage that taps a blast furnace (5), starts described laser iron perforater (10) after adjustment laser (11) emission angle.
4. a blast furnace open hole device systems, it is characterized in that: comprise mechanical iron perforater (8) and the laser iron perforater (10) of laser (11) can be produced, described mechanical iron perforater (8) comprises drilling rod (9), described drilling rod (9) is identical with the passage that taps a blast furnace (5) direction of blast furnace with the operating direction of laser (11), the working length of described drilling rod (9) and the working length sum of described laser (11) for described in tap a blast furnace the length of passage (5).
5. blast furnace open hole device systems according to claim 4, is characterized in that: the working length of described drilling rod (9) distance in region (6) for the passage that taps a blast furnace (5) is corroded from iron notch reference point (3) to mud drum by slag, iron.
6. blast furnace open hole device systems according to claim 4, is characterized in that: the separately fixed installation of described mechanical iron perforater (8) and laser iron perforater (10).
7. blast furnace open hole device systems according to claim 4, is characterized in that: described laser iron perforater (10) is fixed on mechanical iron perforater (8).
8. blast furnace open hole device systems according to claim 7, is characterized in that: the mode that described laser iron perforater (10) is bolted is fixed on mechanical iron perforater (8).
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| CN201410428346.1A CN104141021B (en) | 2014-08-28 | 2014-08-28 | A kind of method of blast furnace open hole and blast furnace open hole device systems |
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| CN201410428346.1A CN104141021B (en) | 2014-08-28 | 2014-08-28 | A kind of method of blast furnace open hole and blast furnace open hole device systems |
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| CN104141021B true CN104141021B (en) | 2015-11-11 |
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| CN110628973B (en) * | 2018-08-23 | 2021-04-02 | 广东韶钢松山股份有限公司 | Treatment method for iron leakage of blast furnace iron notch |
| CN110358882B (en) * | 2019-08-27 | 2021-02-02 | 广东韶钢松山股份有限公司 | Blast furnace taphole angle acquisition method and blast furnace taphole angle adjustment method |
| CN112048585B (en) * | 2020-08-07 | 2022-02-08 | 山西太钢不锈钢股份有限公司 | Blast furnace taphole hole opening method |
| CN112257590B (en) * | 2020-10-22 | 2023-08-01 | 中冶南方工程技术有限公司 | Automatic detection method, system and storage medium for working state of blast furnace tap hole |
| CN113957193B (en) * | 2021-11-01 | 2022-12-30 | 桂林方兴机械有限公司 | Positioning device of iron notch drill |
| CN114111332B (en) * | 2021-11-26 | 2023-11-21 | 攀钢集团攀枝花钢钒有限公司 | Method for improving smelting furnace discharging efficiency |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5354103A (en) * | 1976-10-27 | 1978-05-17 | Nippon Steel Corp | Opening method for tapping hole of blast furnace |
| JPS552748A (en) * | 1978-06-20 | 1980-01-10 | Kobe Steel Ltd | Tapping method for tapping hole of blast furnace |
| JPS58189311A (en) * | 1982-04-27 | 1983-11-05 | Kawasaki Steel Corp | Method for opening tap hole of blast furnace |
| US4431171A (en) * | 1982-03-04 | 1984-02-14 | Bailey Industrial Products, Inc. | Apparatus for opening the tap hole of a metallurgical furnace |
| US4436285A (en) * | 1982-01-20 | 1984-03-13 | Woodings Robert T | Method and apparatus for opening blast-furnace tap holes |
| CN201077844Y (en) * | 2007-04-27 | 2008-06-25 | 宜昌市燕狮科技开发有限责任公司 | Large-sized wall hanging type full hydraulic self-controlled machine for opening tap hole |
| CN103890198A (en) * | 2011-09-27 | 2014-06-25 | 新日铁住金工程技术株式会社 | Blocking/opening method, blocking method and blocking/opening apparatus |
-
2014
- 2014-08-28 CN CN201410428346.1A patent/CN104141021B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5354103A (en) * | 1976-10-27 | 1978-05-17 | Nippon Steel Corp | Opening method for tapping hole of blast furnace |
| JPS552748A (en) * | 1978-06-20 | 1980-01-10 | Kobe Steel Ltd | Tapping method for tapping hole of blast furnace |
| US4436285A (en) * | 1982-01-20 | 1984-03-13 | Woodings Robert T | Method and apparatus for opening blast-furnace tap holes |
| US4431171A (en) * | 1982-03-04 | 1984-02-14 | Bailey Industrial Products, Inc. | Apparatus for opening the tap hole of a metallurgical furnace |
| JPS58189311A (en) * | 1982-04-27 | 1983-11-05 | Kawasaki Steel Corp | Method for opening tap hole of blast furnace |
| CN201077844Y (en) * | 2007-04-27 | 2008-06-25 | 宜昌市燕狮科技开发有限责任公司 | Large-sized wall hanging type full hydraulic self-controlled machine for opening tap hole |
| CN103890198A (en) * | 2011-09-27 | 2014-06-25 | 新日铁住金工程技术株式会社 | Blocking/opening method, blocking method and blocking/opening apparatus |
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